Classifications

• • 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
  • C02F1/72—Treatment of water, waste water, or sewage by oxidation
  • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
  • B01F23/20—Mixing gases with liquids
  • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
  • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
  • B01F23/20—Mixing gases with liquids
  • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
  • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
  • B01F23/2322—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles using columns, e.g. multi-staged columns
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
  • B01F23/20—Mixing gases with liquids
  • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
  • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
  • B01F23/2323—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits
  • B01F23/23231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit
  • B01F23/232311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by circulating the flow in guiding constructions or conduits being at least partially immersed in the liquid, e.g. in a closed circuit the conduits being vertical draft pipes with a lower intake end and an upper exit end
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
  • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
  • B01F25/40—Static mixers
  • B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
  • B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
  • B01F25/4524—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through foam-like inserts or through a bed of loose bodies, e.g. balls
• • 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
  • C02F3/02—Aerobic processes
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
  • Y02W10/00—Technologies for wastewater treatment
  • Y02W10/10—Biological treatment of water, waste water, or sewage

Definitions

• the present invention belongs to the field of water aerobic mechanical equipment, and particularly relates to a high efficiency oxygen increasing device and method.
• An aerator is an effective method for increasing dissolved oxygen. In addition to increasing oxygen, it can also promote the flow of water, and is driven by a power source such as an electric motor or a diesel engine to rapidly transfer "oxygen" in the air to the aquaculture water body.
• a power source such as an electric motor or a diesel engine to rapidly transfer "oxygen" in the air to the aquaculture water body.
• Solve the problem of fish floating head caused by lack of oxygen in pond culture eliminate harmful gases, promote convective exchange of water, improve water quality conditions, reduce feed coefficient, increase fish pond activity and primary productivity, increase stocking density, and increase breeding population
• the feeding intensity to achieve increased income from farming.
• the traditional type of aeration machine on the market has the following characteristics: First, the impeller type and the water tank type aerator with surface oxygenation have the effect of increasing oxygen and promoting the flow of water, but the oxygen-increasing effect per unit power is low. And its strong water respiration caused by water agitation makes the dissolved oxygen at night and rainy days lower. The second is the traditional microporous oxygenation of the bottom layer, and its oxygenation efficiency is also low. At the same time, the above two types of aerobic machines have a poor static water lifting effect on the bottom water body.
• the domestic patent CN 201334402Y discloses a high dissolved oxygen water generator, the technical proposal of which is to install a filler and an oxygen diffusion pipe in the dissolved oxygen packed tower, and the right lower part of the dissolved oxygen packed tower is provided with an inlet pipe and an outlet pipe, and oxygen diffusion
• the middle of the tube has an oxygen release device, and the oxygen supply pipe of the device is connected with the interconnected oxygen inlet pipe;
• the inlet pipe in the scheme is an inlet pipe placed on the land device, and the inlet pipe requires an external water source pipe.
• Input the water body needs a certain power or gravity potential energy to enter the device, the mode is passive and energy consumption is high, and its gas is only for pure oxygen, not air.
• a suspension polymer microporous tube aeration grid disclosed in the domestic patent CN 102030424A comprising a polymer microporous tube aeration grid, a suspension device and a connecting line, and the connecting line is connected to the polymer microporous tube aeration grid and the suspension device
• the microporous tube aeration grid adopts a rectangular fence shape, and is surrounded by a metal pipe or a plastic pipe to form a parallel rectangular pipe, and one side of the rectangular pipe is connected to an intake pipe, and is long.
• a plurality of pairs of corresponding holes are drilled on the two long sides of the square pipeline, and each pair of holes is connected by a polymer microporous tube, and the polymer microporous tube port is connected with the rectangular pipeline by a connecting member, thereby realizing breeding according to the Characteristics of fish species, adjustment depth, technical problems for oxygen supply of cultured aquatic products.
• its technical defects are: 1. Poor oxygen-enhancing ability, because it has no further effect of the packing layer; 2.
• the water body exchange is poor, because it has no device shell, according to the hydrodynamic principle, it can not exchange the bottom water body well. Go to the upper layer, especially if the bubbles are small.
• An object of the present invention is to provide a high-efficiency oxygen increasing device and method capable of improving the oxygen-enhancing effect and efficiently transferring the bottom layer water to the surface layer in view of the above-mentioned technical problems existing in the prior art.
• a high-efficiency aeration device which comprises a gas pipeline 9 or 11, an aeration device 4 or 7, an aeration device housing 10, a water inlet 1 or 2, and a water outlet 8, characterized by A plurality of water inlets 1 or 2 are arranged at the bottom of the aerator device housing 10, and a gas transmission pipe 9 or 11 is arranged on the side of the aerator device 10, and one end of the gas transmission pipe 9 or 11 is connected to the aeration device 7 or 4.
• the middle part of the aerator device 10 is provided with a packing layer 5, and the upper part of the aerator unit 2 is provided with a draft tube, and one side of the draft tube is provided with a water outlet 8 and the upper part of the aerator unit 10 is provided with a inclined baffle .
• a high-efficiency aeration device comprising a gas pipeline 9 or 11, an aeration device 4 or 7, an aerator housing 10, a water inlet 1 or 2, and a water outlet 8 characterized by an aerator housing
• the bottom of the body 10 is provided with a plurality of water inlets 1 or 2
• the aerator housing 10 is provided with a gas pipeline 9 or 11 on one side, and one end of the gas pipeline 9 or 11 is connected to the aeration device 7 or 4, the aerator housing
• the middle portion of the 10 is provided with a packing layer 5, and the upper portion of the aerator device 10 is directly provided with a water outlet 8.
• the installation position of the water inlet is one of the technical means for realizing the active oxygenation of the oxygen increasing device.
• the water inlet is located at the bottom of the device casing, and the device is placed in the water body, so that the water body outside the device can automatically enter the device, Additional power is required, relying on the pressure difference and rising power generated by the air bubbles in the aeration device (the oxygen in the air only accounts for about 20%, the rest) to achieve automatic aeration.
• the aeration device housing 10 is provided with a plurality of gas pipelines and aeration devices, and the aeration devices are respectively connected to the gas pipeline, and the gas is supplied by an external device.
• Blocks 3 and 6 are provided in the upper and lower portions of the aerator housing 10, respectively.
• the blocks 3 and 6 are perforated mesh structures made of metal or plastic to prevent leakage of the filler.
• the aerator housing 10 is a shape-fixed cavity formed by a plastic steel structure or a composite layer structure.
• the side of the aerator housing 10 is provided with a plurality of water inlets 1 or 2, or an external water inlet device.
• the aerator housing 10 is stably placed in the body of water by its own weight or by additionally adding weight or buoyancy means.
• the inside or outside of the aerator housing 10 may be provided with a flow guiding device for guiding the directed flow of the water body.
• a method for efficiently activating oxygen characterized in that the specific method comprises: the gas is input from the gas transmission pipe 11 to the aeration device 4, and the bubbles gradually rise in the aerator casing 10 and are sufficiently mixed with the filler layer 5, Dissolved, oxygen-poor water
• the nozzle 1 or 2 flows in, and flows out from the water outlet 8 after reoxygenation in the apparatus casing 10.
• the innovative method of the present invention is to realize that the bottom layer water can be exchanged to the upper layer water well in the aerator housing, because the aerator housing is placed in the water body, the water inlet is at the bottom of the water body, and the water outlet is in the water body. In the upper part, the exchange of water is to exchange the bottom water to the upper water.
• the prior art only solves the problem that the water body is increased in oxygen, and the water body exchange ability is poor.
• the invention adopts an active and low energy consumption method of supplying oxygen and oxygen, and fully mixes and dissolves air bubbles in the device, so that the lower lean dissolved oxygen water body is lifted to the upper part and converted into a rich dissolved oxygen water body, and the device lifts water.
• the oxygenation effect is greatly improved.
• the device has the advantages of simple structure, low cost, convenient operation and management, and safe and reliable operation.
• Figure 1 is a schematic plan view of the present invention. Marked in the figure: 1 and 2 are inlets, 3 and 6 are blocks, 4 and 7 are aeration devices, 5 is a packing layer, 8 is a water outlet, 9 and 11 are intake pipes, and 10 is an aeration device. case.
• Embodiment 1 A high efficiency aeration device as shown in FIG. 1 includes a gas transmission pipe 9 or 11, an aeration device 4 or 7, an aeration device housing 10, a water inlet 1 or 2, and a water outlet. 8.
• a plurality of water inlets 1 or 2 are provided at the bottom of the aerator housing 10, and a gas transmission conduit 9 or 11 is provided on the side of the aeration device housing 10, and one end of the gas transmission pipeline 9 or 11 and the aeration device 7 or 4 Connected, a filler layer 5 is arranged in the middle of the aerator housing 10, a draft tube is arranged on the upper part of the aerator device 2, a water outlet 8 is arranged on one side of the flow tube, and the upper part of the aerator device 10 is inclined. Baffle.
• the gas is input from the gas supply pipe 11 to the aeration device 4, and the bubbles gradually rise in the aeration device casing 10, are sufficiently mixed and dissolved with the filler layer 5, and the oxygen-depleted water body flows in from the water inlet 1 or 2, in the device casing. After the body 10 is reoxygenated, it flows out from the water outlet 8.
• the device housing 10 used may be in the shape of a circle or other shape, and may be constructed of a plastic steel structure or other composite layer structure for the purpose of making the inner and outer water streams unmixable and capable of forming a fixed cavity. Opening holes are provided therein as inlet and outlet of the water supply flow of the water inlet 1 or 2 and the water outlet hole 8, respectively.
• the plurality of water inlets 1 or 2 may be disposed on the side of the aerator housing 10 in addition to the bottom of the aerator housing 10, or may be connected to a water inlet device.
• the number of gas pipelines and aeration devices can be selected according to the actual conditions such as the space of the aerator housing. When there are several gas pipelines and aeration devices, each aeration device is separately connected to the gas pipeline. Connected, the gas is supplied by an external device. The gas pipeline must be input by an external device, such as a Roots blower, a vortex blower, etc., and then connected to the aeration device.
• the aeration device is a gas dispersion device, and the gas input from the aeration pipe is released as bubbles.
• the filler in the filler layer 5 used is a material such as plastic, which is placed in the device casing 10, and in order to prevent leakage of the filler, spacers 3 and 6 are respectively disposed at the upper and lower portions of the aerator housing 10,
• the blocks 3 and 6 are made of a perforated mesh structure made of metal or plastic.
• a flow guiding device may be installed inside or outside the aerator housing 10 to guide the directed flow of the water body.
• a weight or upper end may be provided at the bottom of the aerator housing 10 to provide a buoyancy device such that the aerator housing 10 is stably placed in the body of water by its own weight or by additionally adding weight or buoyancy means.
• Embodiment 2 On the basis of the first embodiment, the internal structure of the high-efficiency aeration device is slightly adjusted, specifically, including a gas transmission pipe 9 or 11, an aeration device 4 or 7, and an aerator device 10 a water inlet 1 or 2, a water outlet 8, characterized in that a plurality of water inlets 1 or 2 are provided at the bottom of the aerator housing 10, and a gas transmission conduit 9 or 11 is provided on the side of the aerator housing 10, One end of the gas pipe 9 or 11 is connected to the aeration device 7 or 4.
• the middle portion of the aerator device 10 is provided with a packing layer 5, and the upper portion of the aerator device 10 is directly provided with a water outlet 8.
• the above devices were tested and compared with a wide range of aerators on the market. The results are as follows:
• the invention relates to an impeller type general microporous aerator high-efficiency aeration device.
• the invention is very good and very good.
• a high-efficiency aeration device has high dissolved oxygen efficiency and power efficiency, and can carry out the bottom water body. Effective exchange.
• the aeration device has an advanced and reasonable design concept, and has low investment, simple and practical facilities, convenient operation and management, safe and reliable operation, good oxygenation effect, and good effects on oxygenation of other water bodies.
• the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Life Sciences & Earth Sciences (AREA)
• Environmental & Geological Engineering (AREA)
• Hydrology & Water Resources (AREA)
• Engineering & Computer Science (AREA)
• Water Supply & Treatment (AREA)
• Organic Chemistry (AREA)
• Dispersion Chemistry (AREA)
• Biodiversity & Conservation Biology (AREA)
• Microbiology (AREA)
• Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
• Farming Of Fish And Shellfish (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=46855752

Family Applications (1)

Country Status (2)

Cited By (6)

Families Citing this family (9)

Citations (8)

Family Cites Families (2)

• 2012
  • 2012-06-04 CN CN2012101815693A patent/CN102689993A/zh active Pending
• 2013
  • 2013-05-30 WO PCT/CN2013/076455 patent/WO2013182007A1/fr not_active Ceased

Patent Citations (8)

Also Published As

Similar Documents

Legal Events