CN120551179A - A petroleum-contaminated groundwater repair device and repair method - Google Patents
A petroleum-contaminated groundwater repair device and repair methodInfo
- Publication number
- CN120551179A CN120551179A CN202510661227.9A CN202510661227A CN120551179A CN 120551179 A CN120551179 A CN 120551179A CN 202510661227 A CN202510661227 A CN 202510661227A CN 120551179 A CN120551179 A CN 120551179A
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- shell
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/002—Reclamation of contaminated soil involving in-situ ground water treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/22—Treatment of water, waste water, or sewage by freezing
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Soil Sciences (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention discloses petroleum polluted groundwater restoration equipment and restoration method, the equipment comprises an extraction well communicated with underground water, an air floatation treatment mechanism, an adsorption treatment mechanism and a microorganism treatment mechanism which are connected with the extraction well, wherein an extraction conveying pump is fixed in the extraction well, the input end of the extraction conveying pump is communicated with the underground water, the air floatation treatment mechanism comprises an air floatation treatment accommodating cylinder shell which is fixed on the ground and vertically extends, a rotary aeration mechanism is arranged at the inner bottom of the air floatation treatment accommodating cylinder shell, a centrifugal stirring mechanism is arranged in the air floatation treatment accommodating cylinder shell, and an air floatation discharging mechanism is arranged at the top of the air floatation treatment accommodating cylinder shell.
Description
Technical Field
The invention relates to the technical field of groundwater treatment, in particular to petroleum pollution groundwater restoration equipment and restoration method.
Background
The petroleum-type polluted groundwater refers to the pollution caused by the fact that petroleum and products thereof enter a groundwater system through various ways in the processes of exploitation, storage, transportation, use and the like, such as the fact that petroleum substances permeate into the groundwater through soil pores, such as underground oil storage tanks of gas stations and improper discharge of waste water of petrochemical enterprises, the petroleum substances gradually migrate downwards under the action of gravity and pass through a gas-packing belt to enter a water-bearing layer to pollute the groundwater, and then the petroleum substances permeate into the ground along with irrigation water to further pollute the groundwater.
The existing petroleum pollution underground water treatment measures are single, the treatment effect is poor, and petroleum pollutants in the underground water are difficult to thoroughly and effectively separate and remove, so that the petroleum pollution underground water treatment measures are required to be further improved and optimized.
Disclosure of Invention
The invention aims to provide petroleum pollution underground water restoration equipment and restoration method, which can thoroughly and effectively remove petroleum pollutants in underground water.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the petroleum polluted underground water restoration equipment comprises an extraction well communicated with underground water, and an air floatation treatment mechanism, an adsorption treatment mechanism and a microorganism treatment mechanism which are connected with the extraction well;
An extraction conveying pump is fixed in the extraction well, and the input end of the extraction conveying pump is communicated with the underground water;
the air flotation treatment mechanism comprises an air flotation treatment accommodating cylinder shell which is fixed on the ground and vertically extends, a rotary aeration mechanism is arranged at the bottom in the air flotation treatment accommodating cylinder shell, a centrifugal stirring mechanism is arranged in the air flotation treatment accommodating cylinder shell, and an air flotation outer discharge mechanism is arranged at the top of the air flotation treatment accommodating cylinder shell;
The adsorption treatment mechanism comprises an adsorption treatment total accommodating shell, a plurality of vertically extending adsorption treatment circulating cylinder shells are fixed in the adsorption treatment total accommodating shell, an adsorption treatment circulating pipe coaxially arranged with the adsorption treatment circulating cylinder shells is fixed in the adsorption treatment circulating cylinder shells, and a plurality of adsorbent filling ring shells coaxially sleeved on the outer sides of the adsorption treatment circulating pipes;
the lower end of the outer side of the adsorption treatment circulation cylinder shell is fixedly provided with a plurality of adsorption circulation input pipes communicated with the inside of the adsorption treatment circulation cylinder shell;
the upper ends of the adsorption treatment flow pipes extend upwards to the outside of the adsorption treatment total accommodating shell, the upper ends of the adsorption treatment flow pipes are jointly communicated with an adsorption treatment summarizing shell, and an adsorption treatment outer drain pipe communicated with the inside of the adsorption treatment summarizing shell is fixed on the outer side of the adsorption treatment summarizing shell;
The microorganism treatment mechanism comprises a microorganism treatment accommodating shell, a plurality of microorganism accommodating spherical shells are suspended in the microorganism treatment accommodating shell, buoyancy spherical shells concentric with the microorganism accommodating spherical shells are fixed in the microorganism accommodating spherical shells, and microorganism filling cavities are formed between the outer side surfaces of the buoyancy spherical shells and the inner side surfaces of the microorganism accommodating spherical shells;
The microorganism filling cavity is filled with microorganism adhesion filler;
a spherical shell traction cable is fixedly connected between the microorganism accommodating spherical shell and the inner bottom of the microorganism processing accommodating shell.
Preferably, an air floatation treatment input pipe and an air floatation treatment output pipe which are communicated with the inside of the air floatation treatment accommodating cylinder shell are fixed on the outer side of the air floatation treatment accommodating cylinder shell, and the air floatation treatment input pipe is communicated with the output end of the extraction conveying pump;
the side wall of the adsorption treatment circulating pipe, which is positioned in the adsorption treatment circulating cylinder shell, is provided with a plurality of adsorption treatment circulating small holes;
the outer side of the adsorption treatment total accommodating shell is fixedly provided with an adsorption treatment total input pipe communicated with the inside of the adsorption treatment total accommodating shell, and the outer side of the adsorption treatment total accommodating shell is fixedly provided with a back flushing total output pipe communicated with the inside of the adsorption treatment total accommodating shell;
the adsorption treatment total input pipe is communicated with the air floatation treatment output pipe;
a microorganism treatment input pipe and a microorganism treatment output pipe which are communicated with the inside of the microorganism treatment accommodating shell are fixed on the outer side of the microorganism treatment accommodating shell;
the microorganism treatment input pipe is communicated with the adsorption treatment outer drain pipe;
the top of the microorganism treatment accommodation shell is fixed with a plurality of aeration pressure relief pipes communicated with the inside of the microorganism treatment accommodation shell;
the microorganism treatment output pipe is connected with an ultrafiltration filter, and a repair injection well communicated with underground water is drilled at the downstream end of the extraction well.
Preferably, the input end of the extraction and conveying pump is provided with an input filter mechanism, the input filter mechanism comprises an input filter fixed pipe which is fixed at the input end of the extraction and conveying pump and extends vertically, the outer side of the input filter fixed pipe is connected with an input filter lifting pipe which is coaxial with the input filter fixed pipe in a sliding manner, the inner part of the lower end of the input filter lifting pipe is connected with an input filter supporting ring which is coaxial with the input filter lifting pipe in a rotating manner, the lower end of the input filter supporting ring is fixed with an input filter screen shell with an upward opening, and the side wall of the input filter screen shell is of a porous hollow structure with the inner side and the outer side communicated with each other;
a plurality of rotary driving blades are fixed on the inner side of the input filtering supporting ring;
A filter lifting fixed cylinder with a downward opening is fixed in the extraction well, a filter lifting sliding cylinder with an upward opening is connected in the filter lifting fixed cylinder in a sliding manner, and the lower end of the filter lifting sliding cylinder is fixedly connected with an input filter lifting pipe;
A filter lifting driving rod for driving the filter lifting sliding cylinder to move up and down is arranged in the filter lifting fixing cylinder.
The input filter mechanism can be utilized to filter out particle impurities such as sediment and the like in the extraction process, so that the damage to an extraction conveying pump and the blockage to a water pipe are avoided;
in the process that groundwater circulates in the input filter lifting pipe from bottom to top, the water flow drives the plurality of rotary driving blades to drive the input filter supporting ring to rotate, and the input filter supporting ring drives the input filter screen shell to rotate together with the input filter screen shell, so that impurities attached to the outer side of the input filter screen shell can be thrown away under the centrifugal effect, and the good filtering performance of the input filter screen shell is maintained.
Preferably, the rotary aeration mechanism comprises a rotary aeration conveying pipe shell which is rotationally connected to the inner bottom of the air floatation treatment accommodating cylinder shell along the vertical direction, a plurality of radial connecting short pipes which extend along the radial direction and are communicated with the inner part of the rotary aeration conveying pipe shell are fixed on the outer side of the rotary aeration conveying pipe shell, and the rotary aeration pipe shell which is coaxial with the radial connecting short pipes is rotationally connected to the radial connecting short pipes;
a rotary driving gear ring coaxial with the rotary aeration pipe shell is fixed on the outer side of the rotary aeration pipe shell, a rotary matching fixed gear ring coaxial with the rotary aeration pipe shell is arranged on the outer side of the rotary aeration pipe shell, and the rotary driving gear ring is in meshed connection with the rotary matching fixed gear ring;
A rotary driving support ring which is coaxially arranged with the rotary aeration conveying pipe shell is fixed at the bottom of the air floatation treatment accommodating cylinder shell, and a rotary matching fixed gear ring is fixed at the top of the rotary driving support ring;
An aeration input short pipe communicated with the inside of the rotary aeration conveying pipe shell is fixed at the top of the rotary aeration conveying pipe shell, the aeration input short pipe is connected with an aeration main conveying pipe through a rotary joint, and the other end of the aeration main conveying pipe extends to the outside of the air floatation treatment accommodating pipe shell.
The rotary aeration pipe shell can rotate around the self axis of the rotary aeration pipe shell while revolving around the vertical axis of the rotary aeration pipe shell, so that formed tiny bubbles are uniformly dispersed and arranged in the groundwater in the air floatation treatment accommodating pipe shell.
Preferably, the centrifugal stirring mechanism comprises a centrifugal stirring supporting ring, the axis of which is arranged and fixed on the inner side wall of the air flotation treatment accommodating cylinder shell along the vertical direction, a centrifugal stirring rotating ring which is coaxial with the centrifugal stirring supporting ring is rotationally connected to the centrifugal stirring supporting ring, and a plurality of centrifugal stirring blades are fixed on the inner side of the centrifugal stirring rotating ring;
The air floatation treatment accommodating cylinder shell is internally provided with a vertically through stirring limiting guide ring below the centrifugal stirring rotating ring, the outer side of the stirring limiting guide ring is fixedly connected with the inner side wall of the air floatation treatment accommodating cylinder shell through a plurality of stirring limiting guide plates, and the stirring limiting guide plates are arranged along the radial plane of the stirring limiting guide ring in an extending mode.
The centrifugal stirring rotary ring is driven to rotate around the vertical axis of the centrifugal stirring support ring by a motor in the prior art fixed on the inner side wall of the air flotation treatment accommodating cylinder shell through the transmission of the gear ring, and then drives the plurality of centrifugal stirring blades to rotate together to stir the underground water in a rotating way, so that the upper part of the underground water in the air flotation treatment accommodating cylinder shell forms a vortex state, and further, oil drops attached with micro bubbles are forced to be gathered at the center of the vortex.
Preferably, the air-float discharging mechanism comprises an air-float discharging guide pipe which is connected to the top of the air-float treatment accommodating cylinder shell in a sliding manner along the vertical direction;
An air-float lifting fixed cylinder with an upward opening is fixed at the top of the air-float treatment accommodating cylinder shell, an air-float lifting sliding cylinder with a downward opening is connected in the air-float lifting fixed cylinder in a sliding manner, and the upper end of the air-float lifting sliding cylinder is fixedly connected with an air-float outer-discharge guide pipe;
An air-float lifting driving rod for driving the air-float lifting sliding cylinder to move up and down is arranged in the air-float lifting fixed cylinder.
In the air-float discharging mechanism, the inner rod of the air-float lifting driving rod extends or retracts to drive the air-float lifting sliding cylinder to move along the vertical direction together with the air-float discharging guide pipe so as to adjust the distance between the lower end of the air-float discharging guide pipe and the water surface in the air-float treatment accommodating cylinder shell, so that the lower end of the air-float discharging guide pipe just contacts with the water surface in the vortex center.
Preferably, a plurality of backwash input pipes communicated with the inside of the adsorption treatment flow pipe are fixed on the outer side of one end of the adsorption treatment flow pipe extending to the outside of the adsorption treatment total accommodating shell.
When the adsorbent in the adsorbent filling ring shell is required to be backwashed, firstly, evacuating the underground water in the adsorption treatment circulation cylinder shell and the adsorption treatment total accommodating shell, closing the adsorption treatment outer drain pipe and the adsorption treatment total input pipe, and opening a backwashed total output pipe;
Clean water is input into the adsorption treatment circulation pipe through the back flushing input pipe, flows from top to bottom in the adsorption treatment circulation pipe, and flows through the adsorbent filling annular shells along the radial direction of the adsorption treatment circulation cylinder shell through the adsorption treatment circulation small holes so as to realize back flushing of the adsorbent in the adsorbent filling annular shells;
The sewage formed by back flushing flows from top to bottom in the adsorption treatment flow cylinder shell, is discharged into the adsorption treatment total accommodating shell through the adsorption flow input pipe, and finally the back flushing sewage in the adsorption treatment total accommodating shell is discharged through the back flushing total output pipe.
The side wall of the adsorbent filling ring shell is of a porous hollow structure with the inside and the outside communicated;
The top of the adsorbent filling ring shell is provided with a convex clamping ring close to the inner side, and the bottom of the adsorbent filling ring shell is provided with a concave clamping matching groove close to the inner side;
The convex clamping ring at the top of the adsorbent filling ring shell is clamped and matched in the concave clamping matching groove at the bottom of the adjacent adsorbent filling ring shell.
The structure can firmly clamp two adjacent adsorbent filling ring shells together, and the adsorbent filling ring shells can be arranged along the vertical direction to form a hollow cylindrical structure.
Preferably, a plurality of microorganism aeration spherical shells are fixed at the bottom of the microorganism treatment accommodating shell, the outer sides of the microorganism aeration spherical shells are communicated with each other through microorganism aeration short pipes to form microorganism dispersion aeration shells, and a plurality of dispersion aeration micropores are formed in the side walls of the microorganism dispersion aeration shells;
the microorganism aeration conveying pipe communicated with the interior of the microorganism aeration spherical shell is fixed at the lower side of the microorganism aeration spherical shell.
The air conveyer in the prior art is utilized to input air into the microbial aeration conveying pipe, the air enters the microbial aeration spherical shell and then enters the microbial dispersion aeration shell through each microbial aeration short pipe, and finally the air in the microbial dispersion aeration shell is discharged through a plurality of dispersion aeration micropores, so that small bubbles are formed in the underground water and circulate from bottom to top, the oxygen dissolution amount in the underground water is maintained, and further stable oxygen supply is provided for the activities of microorganisms.
Preferably, the wave making mechanism is arranged on the microorganism treatment accommodating shell and comprises a wave making mechanism supporting cylinder which is horizontally arranged and is internally fixed on the side wall of the microorganism treatment accommodating shell along the opening, the wave making mechanism supporting cylinder is slidably connected with a wave making mechanism sliding cylinder which is oppositely arranged with the opening, and one end of the wave making mechanism sliding cylinder, which is positioned in the microorganism treatment accommodating shell, is fixedly provided with a wave making driving plate which is arranged along the vertical plane;
The wave making mechanism supporting cylinder is internally provided with a wave making driving rod for driving the wave making mechanism sliding cylinder to move.
The method is characterized in that a wave making mechanism is used for driving groundwater in the microorganism treatment accommodating shell to form periodic surges, so that the groundwater in the microorganism treatment accommodating shell and each microorganism accommodating spherical shell are forced to move relatively, and all groundwater can be fully contacted with microorganism attaching fillers.
Preferably, a petroleum-based contaminated groundwater remediation method based on the petroleum-based contaminated groundwater remediation device comprises the following steps:
S1, building an extraction well:
Drilling an extraction well communicated with the underground water at the upstream end of the underground water pollution area, and placing an extraction conveying pump into the extraction well so that the input end of the extraction conveying pump is communicated with the underground water;
injecting groundwater into the air-float treatment accommodating cylinder shell through the air-float treatment input pipe by utilizing the conveying function of the extraction conveying pump;
S2, carrying out air floatation treatment on the underground water:
The rotary aeration mechanism is utilized to aerate the underground water in the air flotation treatment accommodating cylinder shell, the formed tiny bubbles move from bottom to top in the air flotation treatment accommodating cylinder shell, the tiny bubbles are attached to oil drops in the underground water, and the oil drops in the underground water are forced to move upwards along with the tiny bubbles and finally float on the water surface in the air flotation treatment accommodating cylinder shell;
The underground water in the air flotation treatment accommodating cylinder shell is driven to rotate by utilizing the centrifugal stirring mechanism, the underground water moves towards a position close to the inner side wall of the air flotation treatment accommodating cylinder shell under the centrifugal action, oil drops with micro bubbles attached to the center of the air flotation treatment accommodating cylinder shell are forced to be gathered, and finally the oil drops with the micro bubbles gathered at the center of the air flotation treatment accommodating cylinder shell are pumped and discharged by utilizing the air flotation discharging mechanism;
s3, filtering and adsorbing the groundwater:
the groundwater after the air floatation treatment is discharged through an air floatation treatment output pipe and is input into the adsorption treatment total accommodating shell through an adsorption treatment total input pipe;
The underground water in the adsorption treatment total accommodating shell enters the adsorption treatment circulating cylinder shell through an adsorption circulating input pipe, the underground water circulates in the adsorption treatment circulating cylinder shell from bottom to top, and the underground water radially passes through each adsorbent filling ring shell to flow towards the direction close to the adsorption treatment circulating pipe while circulating in the adsorption treatment circulating cylinder shell from bottom to top, and the underground water adsorbs and filters oil drops in the underground water by using the activated carbon adsorbent filled in the adsorbent filling ring shell when passing through each adsorbent filling ring shell;
the underground water after adsorption filtration enters the adsorption treatment flow pipe through the adsorption treatment flow holes and flows from bottom to top, and finally the underground water in the adsorption treatment flow pipes is converged into the adsorption treatment summarizing shell;
s4, performing microorganism purification treatment on the underground water:
The groundwater after the filtration and adsorption treatment is discharged through the adsorption treatment outer drain pipe and is input into the microorganism treatment containing shell through the microorganism treatment input pipe;
The microorganism-containing spherical shells are suspended and immersed in the underground water, the underground water can enter the microorganism filling cavity through the porous hollow structure of the microorganism-containing spherical shells, and the microorganism on the microorganism-containing filling material is utilized to decompose petroleum substances in the underground water so as to achieve the purpose of purifying water quality;
s5, injecting the purified underground water back into the underground:
The groundwater purified by the microorganisms is discharged through a microorganism treatment output pipe, microorganisms in the groundwater are filtered and intercepted by an ultrafiltration filter, and the output end of the ultrafiltration filter extends to the inside of the repair injection well through a pipeline and is communicated with the groundwater, so that the purified groundwater is reinjected into the ground.
Compared with the prior art, the invention has the following beneficial effects:
1. The invention has reasonable structural design and high purification efficiency, and can treat a large amount of polluted groundwater in a short time so as to reduce the concentration of petroleum pollutants in the groundwater as soon as possible and reduce the pollution diffusion range;
2. the invention has convenient operation and advanced treatment technology, can purify petroleum pollutants in the underground water until the petroleum pollutants meet relevant standards, and ensures that the purified underground water meets the recycling or emission requirements through cooperative treatment such as air floatation treatment, adsorption treatment, microorganism purification treatment and the like;
3. The repairing equipment has good pollutant adaptability, and can effectively separate, adsorb and degrade petroleum pollutants with various components and petroleum pollutants with various concentrations;
4. The input filter mechanism can filter out particle impurities such as sediment and the like in the extraction process, so that the damage to an extraction conveying pump and the blockage to a water pipe are avoided;
5. According to the rotary aeration mechanism, each rotary aeration pipe shell revolves around the vertical axis of the rotary aeration conveying pipe shell and simultaneously rotates around the self axis of the rotary aeration pipe shell, so that formed tiny bubbles are uniformly dispersed and arranged in groundwater in the air floatation treatment accommodating pipe shell, and the air floatation separation efficiency is improved;
6. The wave making mechanism can drive the groundwater in the microorganism treatment accommodating shell to form periodic surges, so that the groundwater in the microorganism treatment accommodating shell and each microorganism accommodating spherical shell are forced to move relatively, and all groundwater can be fully contacted with microorganism adhesion fillers, and good microorganism purification effect is ensured.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic diagram of the input filter mechanism of the present invention;
FIG. 3 is a schematic view of the rotary aeration mechanism of the present invention;
FIG. 4 is a schematic view of the centrifugal stirring mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the air-floating discharge mechanism of the present invention;
FIG. 6 is a schematic view of the adsorption treatment mechanism of the present invention;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic structural view of an adsorbent-filled shell ring of the present invention;
FIG. 9 is a schematic structural view of a microorganism treatment mechanism of the present invention;
FIG. 10 is a schematic structural view of a microbial aeration bulb according to the present invention.
In the figure, 10-extraction well, 101-repair injection well, 11-extraction transfer pump, 12-input filtration mechanism, 121-input filtration fixed pipe, 122-input filtration lifting pipe, 123-input filtration support ring, 124-input filtration screen shell, 125-rotation driving vane, 126-filtration lifting fixed cylinder, 127-filtration lifting sliding cylinder, 128-filtration lifting driving rod, 20-air flotation treatment mechanism, 21-air flotation treatment housing cylinder shell, 211-air flotation treatment input pipe, 212-air flotation treatment output pipe, 213-agitation limiting guide ring, 214-agitation limiting guide plate, 22-rotation aeration mechanism, 220-rotation driving support ring, 221-rotation aeration transport pipe shell, 222-radial connecting short pipe, 223-rotation aeration pipe shell, 224-rotation driving gear ring, 225-rotation matching fixed gear ring, 226-aeration input short pipe, 227-rotation joint, 228-aeration total transport pipe, 23-centrifugation agitation mechanism, 231-centrifugation stirring support ring, 232-centrifugation rotating ring, 233-agitation vane, 24-centrifugation air flotation mechanism, 241-air flotation drainage guide pipe, 242-air flotation guide pipe, 31-rotation driving support ring, 221-rotation aeration lifting fixed cylinder, 221-rotation aeration lifting fixed pipe, 222-rotation aeration main transport pipe, 223-rotation aeration main pipe, 224-rotation driving support ring, 23-rotation agitation driving ring, 31-rotation aeration main pipe, 224-rotation driving adsorption main pipe, 33-rotation driving adsorption main pipe, 31-rotation driving adsorption main pipe, 35-rotation main rotation driving adsorption main pipe, 3-rotation main rotation driving pump, 3-rotation driving main rotation driving adsorption main rotation, 3-rotation driving mechanism, 3-rotation driving adsorption main rotation, 3, and 3, 330-adsorption treatment flow holes, 34-adsorbent filling ring shells, 341-convex clamping rings, 342-concave clamping matching grooves, 35-adsorption treatment summarizing shells, 351-adsorption treatment outer pipes, 40-microorganism treatment mechanisms, 41-microorganism treatment containing shells, 411-microorganism treatment input pipes, 412-microorganism treatment output pipes, 413-aeration pressure relief pipes, 414-ultrafiltration filters, 42-microorganism containing spherical shells, 420-microorganism filling cavities, 421-microorganism attachment fillers, 422-spherical shell traction ropes, 43-buoyancy spherical shells, 44-microorganism aeration spherical shells, 441-microorganism aeration short pipes, 442-microorganism dispersion aeration shells, 4420-dispersion aeration micropores and 443-microorganism aeration conveying pipes.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 10, and for convenience of description, the directions will be defined below such that the directions of the front and rear sides will be the same as the directions of the front view or the structural diagram.
Example 1:
The petroleum polluted groundwater restoration device comprises an extraction well 10 communicated with groundwater, an air floatation treatment mechanism 20, an adsorption treatment mechanism 30 and a microorganism treatment mechanism 40 which are connected with the extraction well 10, as shown in figure 1;
An extraction conveying pump 11 is fixed in the extraction well 10, and the input end of the extraction conveying pump 11 is communicated with underground water;
As shown in fig. 1, the air-float treatment mechanism 20 comprises an air-float treatment accommodating cylinder shell 21 which is fixed on the ground and is vertically arranged in an extending way, a rotary aeration mechanism 22 is arranged at the inner bottom of the air-float treatment accommodating cylinder shell 21, a centrifugal stirring mechanism 23 is arranged in the air-float treatment accommodating cylinder shell 21, and an air-float discharging mechanism 24 is arranged at the top of the air-float treatment accommodating cylinder shell 21;
an air floatation treatment input pipe 211 and an air floatation treatment output pipe 212 which are communicated with the inside of the air floatation treatment accommodating cylinder shell 21 are fixed on the outer side of the air floatation treatment accommodating cylinder shell, and the air floatation treatment input pipe 211 is communicated with the output end of the extraction conveying pump 11;
As shown in fig. 1, the adsorption treatment mechanism 30 comprises an adsorption treatment total accommodating shell 31, as shown in fig. 6, a plurality of adsorption treatment circulating cylinder shells 32 extending vertically are fixed in the adsorption treatment total accommodating shell 31, an adsorption treatment circulating pipe 33 coaxially arranged with the adsorption treatment circulating cylinder shells 32 is fixed in the adsorption treatment circulating cylinder shells 32, and a plurality of adsorbent filling ring shells 34 coaxial with the adsorption treatment circulating pipe 33 are sleeved outside the adsorption treatment circulating pipe 33;
a plurality of adsorption and circulation input pipes 321 communicated with the inside of the adsorption and treatment circulation cylinder shell 32 are fixed at the lower end of the outer side of the adsorption and treatment circulation cylinder shell;
As shown in fig. 6, the upper ends of the adsorption treatment flow pipes 33 extend upward to the outside of the adsorption treatment total accommodating case 31, the upper ends of the adsorption treatment flow pipes 33 are commonly connected and provided with an adsorption treatment collecting case 35, and an adsorption treatment outer drain pipe 351 communicated with the inside of the adsorption treatment collecting case 35 is fixed at the outer side of the adsorption treatment collecting case 35;
as shown in fig. 8, the adsorption treatment flow tube 33 has a plurality of adsorption treatment flow holes 330 in the side wall thereof inside the adsorption treatment flow tube housing 32;
An adsorption treatment total input pipe 311 communicated with the inside of the adsorption treatment total accommodating shell 31 is fixed on the outer side of the adsorption treatment total accommodating shell 31, and a back flushing total output pipe 312 communicated with the inside of the adsorption treatment total accommodating shell 31 is fixed on the outer side of the adsorption treatment total accommodating shell;
The adsorption treatment total input pipe 311 is communicated with the air floatation treatment output pipe 212;
As shown in fig. 8, the side wall of the adsorbent filling ring shell 34 is a porous hollow structure with the inside and the outside communicated, and the inside of the adsorbent filling ring shell 34 is filled with activated carbon adsorbent;
the top of the adsorbent filling ring shell 34 is provided with a convex clamping ring 341 near the inner side, and the bottom of the adsorbent filling ring shell 34 is provided with a concave clamping matching groove 342 near the inner side;
The outer convex clamping ring 341 at the top of the adsorbent filling ring shell 34 is clamped and matched in the inner concave clamping matching groove 342 at the bottom of the adjacent adsorbent filling ring shell 34.
As shown in fig. 1, the microorganism treatment mechanism 40 comprises a microorganism treatment accommodating shell 41, a plurality of microorganism accommodating spherical shells 42 are suspended in the microorganism treatment accommodating shell 41, as shown in fig. 9, a buoyancy spherical shell 43 concentric with the microorganism accommodating spherical shell 42 is fixed in the microorganism accommodating spherical shell 42, and a microorganism filling cavity 420 is formed between the outer side surface of the buoyancy spherical shell 43 and the inner side surface of the microorganism accommodating spherical shell 42;
The shell of the microorganism accommodating spherical shell 42 is of a porous hollow structure with the inside and the outside communicated;
As shown in fig. 9, the microorganism-filled cavity 420 is filled with a microorganism-adhering filler 421, and the microorganism-adhering filler 421 is a honeycomb filler made of glass fiber reinforced plastic material in the prior art;
a spherical shell traction cable 422 is fixedly connected between the microorganism-containing spherical shell 42 and the inner bottom of the microorganism treatment-containing shell 41;
a microorganism treatment input pipe 411 and a microorganism treatment output pipe 412 which are communicated with the inside of the microorganism treatment accommodation shell 41 are fixed at the outer side of the microorganism treatment accommodation shell;
the microorganism treatment input pipe 411 is communicated with the adsorption treatment outer drain pipe 351;
a plurality of aeration pressure relief pipes 413 communicated with the inside of the microorganism treatment accommodation shell 41 are fixed at the top of the microorganism treatment accommodation shell;
The microorganism treatment output pipe 412 is connected with a prior art ultrafiltration filter 414, a repair injection well 101 communicated with the underground water is drilled at the downstream end of the extraction well 10, and the output end of the ultrafiltration filter 414 extends into the repair injection well 101 through a pipeline and is communicated with the underground water.
As shown in fig. 9, a plurality of microorganism aeration ball shells 44 are fixed at the bottom of the microorganism treatment housing shell 41, and as shown in fig. 10, microorganism dispersion aeration shells 442 are communicated with the outside of the microorganism aeration ball shells 44 through microorganism aeration short tubes 441, and a plurality of dispersion aeration micropores 4420 are formed on the side walls of the microorganism dispersion aeration shells 442;
a microorganism aeration conveying pipe 443 communicated with the inside of the microorganism aeration spherical shell 44 is fixed at the lower side thereof.
Example 2:
This embodiment describes a method for repairing petroleum-based contaminated groundwater, a petroleum-based contaminated groundwater repairing apparatus based on embodiment 1 above, comprising the steps of:
S1, building an extraction well:
drilling an extraction well 10 communicated with the underground water at the upstream end of the underground water pollution area, and placing an extraction conveying pump 11 into the extraction well 10 so that the input end of the extraction conveying pump 11 is communicated with the underground water;
Groundwater is injected into the air-float process accommodating cylinder shell 21 through the air-float process input pipe 211 by utilizing the conveying function of the extraction conveying pump 11;
S2, carrying out air floatation treatment on the underground water:
Aeration is carried out on the underground water in the air flotation treatment accommodating cylinder shell 21 by utilizing the rotary aeration mechanism 22, formed tiny bubbles move from bottom to top in the air flotation treatment accommodating cylinder shell 21, the tiny bubbles are attached to oil drops in the underground water, and the oil drops in the underground water are forced to move upwards along with the tiny bubbles and finally float on the water surface in the air flotation treatment accommodating cylinder shell 21;
The centrifugal stirring mechanism 23 is utilized to drive the underground water in the air flotation treatment accommodating cylinder shell 21 to rotate, under the centrifugal action, the underground water moves towards the position close to the inner side wall of the air flotation treatment accommodating cylinder shell 21, so that oil drops with tiny bubbles attached to the center of the air flotation treatment accommodating cylinder shell 21 are forced to be gathered, and finally the air flotation discharging mechanism 24 is utilized to suck and discharge the oil drops with tiny bubbles attached to the center of the air flotation treatment accommodating cylinder shell 21;
s3, filtering and adsorbing the groundwater:
The groundwater after the air-float treatment is discharged through the air-float treatment output pipe 212 and is input into the adsorption treatment total accommodating shell 31 through the adsorption treatment total input pipe 311;
The groundwater in the adsorption treatment total accommodating shell 31 enters the adsorption treatment circulation cylinder shell 32 through the adsorption circulation input pipe 321, the groundwater circulates in the adsorption treatment circulation cylinder shell 32 from bottom to top, and the groundwater also circulates along the radial direction of the groundwater through each adsorbent filling ring shell 34 towards the direction close to the adsorption treatment circulation pipe 33 while circulating in the adsorption treatment circulation cylinder shell 32 from bottom to top, and the groundwater adsorbs and filters oil drops in the groundwater by using the activated carbon adsorbent filled in the adsorbent filling ring shell 34 when passing through each adsorbent filling ring shell 34;
The groundwater after adsorption filtration enters the adsorption treatment flow pipe 33 through the adsorption treatment flow holes 330 and flows along the bottom-up direction, and finally the groundwater in the plurality of adsorption treatment flow pipes 33 is converged into the adsorption treatment collecting shell 35;
s4, performing microorganism purification treatment on the underground water:
The filtered and adsorbed groundwater is discharged through the adsorption treatment outer drain pipe 351 and is input into the microorganism treatment housing case 41 through the microorganism treatment input pipe 411;
The microorganism containing spherical shells 42 are suspended and immersed in the underground water, the underground water can enter the microorganism filling cavity 420 through the porous hollow structure of the microorganism containing spherical shells 42, and the microorganism on the microorganism attaching filler 421 is utilized to decompose petroleum substances in the underground water so as to achieve the purpose of purifying water quality;
The microorganism attachment filler 421 is attached with Pseudomonas aeruginosa, burkholderia cepacia, bacillus subtilis, bacillus licheniformis and Acinetobacter baumannii;
Air is input into the microorganism aeration conveying pipe 443 by utilizing an air conveyor in the prior art, enters the microorganism aeration spherical shell 44 and then enters the microorganism dispersion aeration shell 442 through each microorganism aeration short pipe 441, and finally the air in the microorganism dispersion aeration shell 442 is discharged through a plurality of dispersion aeration micropores 4420, so that small bubbles are formed in underground water and circulate from bottom to top, the oxygen dissolution amount in the underground water is maintained, and stable oxygen supply is further provided for the activities of microorganisms;
s5, injecting the purified underground water back into the underground:
the groundwater purified by the microorganisms is discharged through the microorganism treatment output pipe 412, microorganisms in the groundwater are filtered and intercepted by the ultrafiltration filter 414, and the output end of the ultrafiltration filter 414 extends to the inside of the repair injection well 101 through a pipeline and is communicated with the groundwater, so that the purified groundwater is reinjected into the ground.
Example 3:
On the basis of embodiment 1, as shown in fig. 1, an input end of an extraction and conveying pump 11 is provided with an input filter mechanism 12, as shown in fig. 2, the input filter mechanism 12 comprises an input filter fixing pipe 121 which is fixed at the input end of the extraction and conveying pump 11 and extends vertically, an input filter lifting pipe 122 which is coaxial with the input filter fixing pipe 121 is connected with the outside of the input filter fixing pipe in a sliding manner, an input filter supporting ring 123 which is coaxial with the input filter lifting pipe 122 is connected with the inside of the lower end of the input filter lifting pipe 122 in a rotating manner, an input filter screen shell 124 with an upward opening is fixed at the lower end of the input filter supporting ring 123, and the side wall of the input filter screen shell 124 is of a porous hollow structure with internal and external communication;
a plurality of rotary driving blades 125 are fixed inside the input filter support ring 123;
A filter lifting fixed cylinder 126 with a downward opening is fixed in the extraction well 10, a filter lifting sliding cylinder 127 with an upward opening is connected in a sliding manner in the filter lifting fixed cylinder 126, and the lower end of the filter lifting sliding cylinder 127 is fixedly connected with the input filter lifting pipe 122;
The filter lifting fixed cylinder 126 is internally provided with a filter lifting driving rod 128 for driving the filter lifting sliding cylinder 127 to move in a lifting manner, the filter lifting driving rod 128 is an electric control telescopic rod driven by a servo motor in the prior art, the outer rod end part of the filter lifting driving rod 128 is fixedly connected with the inner top part of the filter lifting fixed cylinder 126, and the inner rod end part of the filter lifting driving rod 128 is fixedly connected with the inner bottom part of the filter lifting sliding cylinder 127.
Example 4:
The embodiment describes a petroleum-based contaminated groundwater remediation method, which is based on the petroleum-based contaminated groundwater remediation apparatus of embodiment 3, and is different from embodiment 2 in that in step S1, the input filtering mechanism 12 is used to filter out particulate impurities such as silt in the extraction process, so as to avoid damage to the extraction and conveying pump 11 and blockage of the water pipe;
The filter lifting sliding cylinder 127 and the input filter lifting pipe 122 can be lifted and moved along the vertical direction under the drive of the filter lifting driving rod 128, and the depth of the lower end of the input filter lifting pipe 122 extending into the groundwater is adjusted, so that the lower end of the input filter lifting pipe 122 is positioned in the middle position of the groundwater layer thickness;
under the conveying action of the extraction conveying pump 11, groundwater enters the lower end of the input filter lifting pipe 122 through the input filter screen shell 124 and circulates from bottom to top, and particulate impurities such as silt in the groundwater are filtered and intercepted by utilizing the filtering interception action of the input filter screen shell 124;
In the process that the underground water circulates in the input filter lifting pipe 122 from bottom to top, the water flow drives the plurality of rotary driving blades 125 to drive the input filter supporting ring 123 to rotate, and then the input filter supporting ring 123 drives the input filter screen shell 124 to rotate together with the input filter screen shell, so that impurities attached to the outer side of the input filter screen shell 124 can be thrown away under the centrifugal action, and the good filtering performance of the input filter screen shell 124 is maintained.
Example 5:
On the basis of embodiment 3, as shown in fig. 3, the rotary aeration mechanism 22 comprises a rotary aeration transport pipe shell 221 rotatably connected to the inner bottom of the air-float treatment accommodating cylinder shell 21 in the vertical direction, a plurality of radial connecting short pipes 222 extending radially along the outer side of the rotary aeration transport pipe shell 221 and communicated with the inner side of the rotary aeration transport pipe shell, and a rotary aeration pipe shell 223 coaxial with the radial connecting short pipes 222 is rotatably connected to the radial connecting short pipes 222;
a rotary driving gear ring 224 coaxial with the rotary aeration pipe shell 223 is fixed on the outer side of the rotary aeration pipe shell 223, a rotary matching fixed gear ring 225 coaxially arranged with the rotary aeration pipe shell 221 is arranged on the outer side of the rotary aeration pipe shell 221, and the rotary driving gear ring 224 is in meshed connection with the rotary matching fixed gear ring 225;
A rotary driving support ring 220 coaxially arranged with the rotary aeration conveying tube shell 221 is fixed at the bottom of the air floatation treatment accommodating cylinder shell 21, and a rotary matching fixed gear ring 225 is fixed at the top of the rotary driving support ring 220;
The rotary aeration transfer tube housing 221 is rotated about its own vertical axis by a prior art servo motor secured to a rotary drive support ring 220 through a gear drive;
An aeration input short pipe 226 communicated with the inside of the rotary aeration conveying pipe shell 221 is fixed at the top of the rotary aeration conveying pipe shell 221, the aeration input short pipe 226 is connected with an aeration total conveying pipe 228 through a rotary joint 227, and the other end of the aeration total conveying pipe 228 extends to the outside of the air floatation treatment accommodating cylinder shell 21.
Example 6:
The embodiment describes a petroleum-type polluted groundwater remediation method, which is based on the petroleum-type polluted groundwater remediation device of the above embodiment 5, and is different from embodiment 4 in that in the rotary aeration mechanism 22 of step S2, air is conveyed into the aeration main conveying pipe 228 by using an air conveyor, the air sequentially passes through the rotary joint 227 and the aeration input short pipe 226 to enter the rotary aeration conveying pipe shell 221, the air in the rotary aeration conveying pipe shell 221 enters the rotary aeration pipe shell 223 again through each radial connecting short pipe 222, the side wall of the rotary aeration pipe shell 223 is provided with a plurality of micropores communicated with the inside and the outside, the air is discharged into the groundwater in the air flotation treatment accommodating cylinder shell 21 through the micropores in the side wall of the rotary aeration pipe shell 223, and the formed tiny bubbles move in the air flotation treatment accommodating cylinder shell 21 from bottom to top;
Meanwhile, the rotary aeration conveying pipe shell 221 is driven to rotate around the vertical axis of the rotary aeration conveying pipe shell by a servo motor in the prior art fixed on the rotary driving supporting ring 220 through gear transmission, the rotary aeration conveying pipe shell 221 drives the radial connecting pipe 222 and the rotary aeration conveying pipe shell 223 to rotate together, and the rotary aeration conveying pipe shell 223 can rotate around the self axis of the rotary aeration conveying pipe shell 223 while revolving around the vertical axis of the rotary aeration conveying pipe shell 221 because the rotary driving gear ring 224 is meshed with the rotary matching fixing gear ring 225, so that formed tiny bubbles are uniformly dispersed and are arranged in groundwater in the air floatation treatment accommodating cylinder shell 21.
Example 7:
On the basis of embodiment 5, as shown in fig. 4, the centrifugal stirring mechanism 23 comprises a centrifugal stirring support ring 231 with an axis arranged in a vertical direction and fixed on the inner side wall of the air flotation process accommodating cylinder shell 21, a centrifugal stirring rotary ring 232 coaxial with the centrifugal stirring support ring 231 is rotatably connected on the centrifugal stirring support ring 231, and a plurality of centrifugal stirring blades 233 are fixed on the inner side of the centrifugal stirring rotary ring 232;
the centrifugal stirring rotary ring 232 is driven to rotate around the vertical axis of the centrifugal stirring support ring 231 by a prior art motor fixed on the inner side wall of the air floatation process accommodating cylinder housing 21 through gear-ring gear transmission;
The air flotation treatment accommodating cylinder shell 21 is internally provided with a vertically through stirring limiting guide ring 213 below the centrifugal stirring rotating ring 232, the outer side of the stirring limiting guide ring 213 is fixedly connected with the inner side wall of the air flotation treatment accommodating cylinder shell 21 through a plurality of stirring limiting guide plates 214, and the stirring limiting guide plates 214 are arranged along the radial plane of the stirring limiting guide ring 213 in an extending mode.
Example 8:
The present embodiment describes a petroleum-based contaminated groundwater remediation method, which is based on the petroleum-based contaminated groundwater remediation apparatus of the above embodiment 7, and is different from embodiment 6 in that, in the centrifugal stirring mechanism 23 of step S2, the centrifugal stirring rotating ring 232 is driven to rotate around the vertical axis of the centrifugal stirring supporting ring 231 by the prior art motor fixed on the inner side wall of the air-float treatment housing cylinder 21 through the gear ring transmission, and the centrifugal stirring rotating ring 232 drives the plurality of centrifugal stirring blades 233 to rotate together to stir the groundwater in a rotating manner, so that the upper part of the groundwater in the air-float treatment housing cylinder 21 forms a vortex state, and further the oil drops attached with micro bubbles are forced to gather at the center of the vortex.
Example 9:
On the basis of embodiment 7, as shown in fig. 5, the air-float discharging mechanism 24 comprises an air-float discharging guide pipe 241 which is slidingly connected to the top of the air-float treatment containing cylinder shell 21 along the vertical direction, the upper end of the air-float discharging guide pipe 241 is communicated with a negative pressure suction containing box, the interior of the negative pressure suction containing box is continuously pumped by using a pumping machine in the prior art, so that the interior of the negative pressure suction containing box is always in a negative pressure state, and under the action of negative pressure, the lower end of the air-float discharging guide pipe 241 can suck bubbles which are gathered at the center and absorb oil drops into the interior of the negative pressure suction containing box, so that separation of the oil drops in groundwater is realized;
an air-float treatment accommodating cylinder shell 21 is fixedly provided with an air-float lifting fixed cylinder 242 with an upward opening, an air-float lifting sliding cylinder 243 with a downward opening is connected in a sliding manner in the air-float lifting fixed cylinder 242, and the upper end of the air-float lifting sliding cylinder 243 is fixedly connected with an air-float outer drainage guide pipe 241;
an air-float lifting driving rod 244 for driving the air-float lifting sliding cylinder 243 to move up and down is arranged in the air-float lifting fixed cylinder 242, the air-float lifting driving rod 244 is an electric control telescopic rod driven by a servo motor in the prior art, the end part of an outer rod of the air-float lifting driving rod 244 is fixedly connected with the inner bottom of the air-float lifting fixed cylinder 242, and the end part of an inner rod of the air-float lifting driving rod 244 is fixedly connected with the inner top of the air-float lifting sliding cylinder 243.
Example 10:
the embodiment describes a petroleum-polluted groundwater remediation method, which is based on the petroleum-polluted groundwater remediation device of embodiment 9, and is different from embodiment 8 in that in the air-floating outer drainage mechanism 24 of step S2, the inner rod of the air-floating lifting driving rod 244 extends or retracts to drive the air-floating lifting sliding cylinder 243 to move along the vertical direction together with the air-floating outer drainage guide tube 241, so as to adjust the distance between the lower end of the air-floating outer drainage guide tube 241 and the water surface in the air-floating treatment accommodating cylinder shell 21, so that the lower end of the air-floating outer drainage guide tube 241 just contacts with the water surface in the vortex center, the upper end of the air-floating outer drainage guide tube 241 is communicated with a negative pressure suction accommodating box, the interior of the negative pressure suction accommodating box is continuously pumped by using a pumping machine of the prior art, so that the interior of the negative pressure suction accommodating box is always in a negative pressure state, and under the action of the negative pressure, the lower end of the air-floating outer drainage guide tube 241 can suck oil drops attached with micro bubbles in the vortex center into the negative pressure suction accommodating box, so as to realize separation of the oil drops in groundwater.
Example 11:
On the basis of example 9, as shown in fig. 6, a plurality of backwash input pipes 313 communicating with the inside of the adsorption treatment flow pipe 33 are fixed to the outside of one end of the adsorption treatment flow pipe 33 extending to the outside of the adsorption treatment total accommodating case 31.
Example 12:
The embodiment describes a petroleum-based contaminated groundwater remediation method, which is based on the petroleum-based contaminated groundwater remediation apparatus of the above embodiment 11, and is different from embodiment 10 in that, when the adsorbent in the adsorbent-filled annular shell 34 needs to be backwashed in step S3, the groundwater in the adsorption treatment circulation shell 32 and in the adsorption treatment total housing shell 31 is first emptied, the adsorption treatment outer drain pipe 351 and the adsorption treatment total input pipe 311 are closed, and the backwash total output pipe 312 is opened;
clean water is input into the adsorption treatment flow pipe 33 through the back flushing input pipe 313, flows in the adsorption treatment flow pipe 33 from top to bottom, and flows through each adsorbent filling annular shell 34 along the radial direction of the adsorption treatment flow cylinder shell 32 through the adsorption treatment flow holes 330, so that back flushing of the adsorbent in the adsorbent filling annular shell 34 is realized;
the sewage formed by back flushing flows from top to bottom in the adsorption treatment flow cylinder shell 32, is discharged into the adsorption treatment total accommodating shell 31 through the adsorption flow input pipe 321, and finally the back flushing sewage in the adsorption treatment total accommodating shell 31 is discharged through the back flushing total output pipe 312.
Example 13:
on the basis of embodiment 11, as shown in fig. 9, a wave making mechanism 45 is provided on a microorganism treatment housing shell 41, the wave making mechanism 45 comprises a wave making mechanism supporting cylinder 451 which is horizontally placed and has an opening fixed inwards on the side wall of the microorganism treatment housing shell 41, a wave making mechanism sliding cylinder 452 which is arranged opposite to the opening of the wave making mechanism supporting cylinder 451 is connected in a sliding way, and a wave making driving plate 453 which is arranged along a vertical plane is fixed at one end of the wave making mechanism sliding cylinder 452 which is positioned inside the microorganism treatment housing shell 41;
The wave making mechanism supporting cylinder 451 is internally provided with a wave making driving rod 454 for driving the wave making mechanism sliding cylinder 452 to move, the wave making driving rod 454 is an electric control telescopic rod driven by a servo motor in the prior art, the outer rod end part of the wave making driving rod 454 is fixedly connected with the inner end part of the wave making mechanism supporting cylinder 451, and the inner rod end part of the wave making driving rod 454 is fixedly connected with the inner end part of the wave making mechanism sliding cylinder 452.
Example 14:
The present embodiment describes a method for repairing petroleum-based contaminated groundwater, which is based on the petroleum-based contaminated groundwater repairing apparatus of the above embodiment 13, and is different from embodiment 12 in that in step S4, the groundwater in the microorganism-treated accommodation case 41 is driven to form a surge by the wave-making mechanism 45, so that the groundwater can sufficiently contact with microorganism-attached filler 421 in the microorganism-accommodated spherical case 42;
The inner rod of the wave-making driving rod 454 performs the reciprocating motion of extension and retraction, and then drives the wave-making mechanism sliding cylinder 452 to reciprocate along the horizontal direction together with the wave-making driving plate 453, and the wave-making driving plate 453 finally drives the groundwater in the microorganism treatment accommodation case 41 to form periodic surges, so that the groundwater in the microorganism treatment accommodation case 41 and each microorganism accommodation ball case 42 are forced to perform the relative motion, so that all the groundwater can be fully contacted with the microorganism attachment filler 421.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510661227.9A CN120551179A (en) | 2025-05-22 | 2025-05-22 | A petroleum-contaminated groundwater repair device and repair method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510661227.9A CN120551179A (en) | 2025-05-22 | 2025-05-22 | A petroleum-contaminated groundwater repair device and repair method |
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| CN120551179A true CN120551179A (en) | 2025-08-29 |
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| CN202510661227.9A Pending CN120551179A (en) | 2025-05-22 | 2025-05-22 | A petroleum-contaminated groundwater repair device and repair method |
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