CN117594271A - Light portable radioactive decontamination cleaning device - Google Patents

Light portable radioactive decontamination cleaning device Download PDF

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Publication number
CN117594271A
CN117594271A CN202310562725.9A CN202310562725A CN117594271A CN 117594271 A CN117594271 A CN 117594271A CN 202310562725 A CN202310562725 A CN 202310562725A CN 117594271 A CN117594271 A CN 117594271A
Authority
CN
China
Prior art keywords
cleaning
vacuum pump
cleaning agent
agent water
radioactive decontamination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310562725.9A
Other languages
Chinese (zh)
Inventor
郑琦
何行洲
曲全斌
吴俊�
周鑫
杨浩
马志强
林希贤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanmen Nuclear Power Co Ltd
Original Assignee
Sanmen Nuclear Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanmen Nuclear Power Co Ltd filed Critical Sanmen Nuclear Power Co Ltd
Priority to CN202310562725.9A priority Critical patent/CN117594271A/en
Publication of CN117594271A publication Critical patent/CN117594271A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/08—Cleaning containers, e.g. tanks
    • B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/02—Treating gases
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/06—Processing
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/04—Treating liquids
    • G21F9/20—Disposal of liquid waste
    • G21F9/22—Disposal of liquid waste by storage in a tank or other container

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geometry (AREA)
  • Cleaning In General (AREA)

Abstract

The invention relates to the field of cleaning devices, in particular to a light portable radioactive decontamination cleaning device. The device consists of a working station, a connecting pipeline and a cleaning brush head, wherein two ends of the connecting pipeline are respectively connected with the cleaning brush head and the working station; the workstation comprises: the frame is divided into a left part and a right part, a cleaning agent water tank, a battery and a cleaning agent water pump are fixed in the right end, one end of the cleaning agent water pump is connected with the cleaning agent water tank, and the other end of the cleaning agent water pump is connected to the joint through a cleaning agent conveying pipeline; the left end of the frame is connected with a fixed vacuum pump, the waste liquid collecting box is arranged below the vacuum pump, a mechanical filtering component is arranged at an air inlet at the lower part of the vacuum pump, the mechanical filtering component is arranged in the waste liquid collecting box, and the waste liquid collecting box is connected with the interface through a suction pipeline; the vacuum pump is provided with a gas hood outside, and a filter element is arranged at the gas outlet of the gas hood. The invention is suitable for the reactor core pool and can be used for carrying out radioactive decontamination cleaning on the steel plating surface of the pool.

Description

Light portable radioactive decontamination cleaning device
Technical Field
The invention relates to the field of cleaning devices, in particular to a light portable radioactive decontamination cleaning device.
Background
In a refueling water tank of a nuclear power station, operations such as loading and unloading are carried out regularly, and after long-term operation, corrosion activated products are generated in the water tank and are attached to the bottom and the wall of the water tank. During maintenance, part of maintenance work needs to be performed from operators to the bottom of the pool. In order to reduce the dose and contamination risk of the overhauling staff, the bottom and the wall of the water tank need to be cleaned and decontaminated before the overhauling staff goes down to carry out overhauling work. At present, manual wiping is generally adopted to clean and decontaminate the steel plating surface of the pool, so that the problems of high labor intensity, poor cleaning effect, high risk of accidental radiation and the like exist, and meanwhile, the conventional cleaning device on the market is not suitable for the operation requirement of radioactive waste cleaning.
In order to provide convenient cleaning operation, reduce labor intensity of personnel and reduce radiation risk, it is necessary to develop a set of equipment suitable for decontamination and cleaning of the bottom and the wall of the material changing water tank, and replace pure manual cleaning.
Disclosure of Invention
The invention aims to solve the technical problems that: the light portable radioactive decontamination cleaning device is suitable for a reactor core pool and is used for radioactive decontamination cleaning of a pool steel coating surface.
The invention provides a light portable radioactive decontamination cleaning device, which consists of a workstation, a connecting pipeline and a cleaning brush head, wherein two ends of the connecting pipeline are respectively connected with the cleaning brush head and the workstation;
the workstation comprises: the device comprises a cleaning agent water tank, a battery, a cleaning agent water pump, a frame, a vacuum pump, a gas hood, a filter element, a mechanical filter part, a waste liquid collecting box and a connector;
the frame is divided into a left part and a right part, a cleaning agent water tank, a battery and a cleaning agent water pump are fixed in the right end, one end of the cleaning agent water pump is connected with the cleaning agent water tank, and the other end of the cleaning agent water pump is connected to the joint through a cleaning agent conveying pipeline;
the left end of the frame is connected with a fixed vacuum pump, the waste liquid collecting box is arranged below the vacuum pump, a mechanical filtering component is arranged at an air inlet at the lower part of the vacuum pump, the mechanical filtering component is arranged in the waste liquid collecting box, and the waste liquid collecting box is connected with the interface through a suction pipeline;
the vacuum pump is provided with a gas hood outside, and a filter element is arranged at the gas outlet of the gas hood.
Preferably, the detergent water pump is installed above the detergent water tank by a fastener.
Preferably, the waste collection tank is mounted below the vacuum pump by a snap fit.
Preferably, the mechanical filter component is of a multi-cylinder sleeving structure, and a plurality of air duct openings are formed in the bottommost end of the mechanical filter component.
Preferably, the connecting pipeline comprises a cleaning agent conveying line and a sucking line, and the cleaning agent conveying line and the sucking line at the joint are respectively connected.
Preferably, the bottom of the waste liquid collecting box is provided with a discharge outlet.
Preferably, the side wall of the mechanical filter element is screwed to the bottom of the vacuum pump.
Preferably, a clamping groove is arranged at the exhaust port of the gas hood, and a filter element is arranged on the clamping groove.
Preferably, the bottom of the frame is fitted with universal wheels.
Preferably, a handle is connected to one side of the frame.
Compared with the prior art, the light portable radioactive decontamination cleaning device has the following beneficial effects:
1) The device adopts an integrated structural design, a battery is arranged in a workstation to supply power, and the device works independently to perform cleaning and decontamination operation, so that the pollution of the radioactive environment to other objects is avoided;
2) The device is provided with a mechanical filter component below the vacuum pump, and the separation of the liquid and the gas of the cleaning waste liquid is realized by adjusting the opening of the inlet air channel of the filter component;
3) The device is provided with the gas hood outside the vacuum pump, and the exhaust port of the vacuum pump is provided with the filter element for filtering and adsorbing radioactive aerosol and the like, so that the operation safety of operators is ensured.
Furthermore, the waste liquid collecting box of the device is installed through the hasp, so that the sealing can be ensured while the quick assembly and disassembly can be realized, and the waste liquid discharging outlet is arranged at the bottom of the waste liquid collecting box, so that the radioactive waste liquid can be discharged and disposed conveniently;
drawings
FIG. 1 shows a schematic view of a lightweight portable radioactive decontamination cleaning device;
FIG. 2 shows a schematic construction of a workstation;
in the drawing the view of the figure,
1-workstation, 2-connecting pipeline, 3-cleaning brush head, 101-cleaning agent water tank, 102-battery, 103-cleaning agent water pump, 104-frame, 105-vacuum pump, 106-gas hood, 107-filter core, 108-mechanical filter part, 109-waste liquid collecting box, 110-hasp, 111-joint, 112-discharge port.
Detailed Description
For a further understanding of the present invention, embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are merely intended to illustrate further features and advantages of the invention, and are not limiting of the invention.
The invention combines the mechanical rolling brush, the vacuum dust collection technology and the filtration purification technology to be applied to radioactive decontamination work of the steel plating surface of the reactor core pool, and the cleaning and the waste collection of the steel plating surface are all completed in an integrated way. The special device of the invention sprays and brushes the steel coating surface through the cleaning brush head, and the high-thrust vacuum pump continuously generates negative pressure to suck the cleaning waste to the waste liquid collecting box. The waste includes detergent, particulate matter and water.
The embodiment of the invention discloses a light portable radioactive decontamination cleaning device, which is shown in figure 1 and consists of a working station 1, a connecting pipeline 2 and a cleaning brush head 3, wherein two ends of the connecting pipeline 2 are respectively connected with the cleaning brush head 3 and the working station 1; the work station is used as an energy supply and liquid storage part, and the cleaning brush head is used as a cleaning executing part.
As shown in fig. 2, the workstation 1 includes: a cleaner water tank 101, a battery 102, a cleaner water pump 103, a frame 104, a vacuum pump 105, a gas hood 106, a filter element 107, a mechanical filter element 108, a waste liquid collection tank 109, and a joint 111;
the frame 104 is divided into left and right sections, and the frame 104 provides a mounting base for the other components of the workstation.
A cleaning agent water tank 101, a battery 102 and a cleaning agent water pump 103 are fixed in the right end of the frame 104, one end of the cleaning agent water pump 103 is connected with the cleaning agent water tank 101, and the other end is connected with a joint 111 through a cleaning agent conveying pipeline;
the cleaner tank 101 and battery 102 are preferably mounted on a bottom mounting plate of the frame 104,
a vacuum pump 105 is installed above the cleaner water tank 101 by a fastener;
the battery 102 supplies power to the cleaning agent water pump 103, the vacuum pump 105 and the cleaning brush head 3;
the left end of the frame 104 is connected with a fixed vacuum pump 105, the waste liquid collecting box 109 is arranged below the vacuum pump 105, a mechanical filtering component 108 is arranged at an air inlet at the lower part of the vacuum pump 105, the mechanical filtering component 108 is arranged in the waste liquid collecting box 109, and the waste liquid collecting box 109 is connected with an interface 111 through a suction pipeline;
the waste liquid collection box 109 is installed below the vacuum pump 105 through a snap, and can be quickly disassembled and assembled while ensuring sealing.
The mechanical filter component 108 is a multi-cylinder sleeving structure, and a plurality of air duct openings are formed at the lowest end of the mechanical filter component 108 and are used for air intake.
The side wall of the mechanical filter component 108 is in threaded connection with the bottom of the vacuum pump 105, the height of the mechanical filter component 108 can be adjusted through threads in a rotatable mode, and the air inlet amount at the opening of the air duct is adjusted through adjusting the height.
The waste liquid collecting tank 109 is used for collecting waste liquid, particles and the like, and the bottom of the waste liquid collecting tank 109 is provided with a discharge port 112, and when the waste liquid in the waste liquid collecting tank 109 is excessive, the discharge port 112 is opened to discharge the waste liquid, so that the mechanical filter component 108 is prevented from being polluted.
The vacuum pump 105 is provided with the gas hood 106 outside, and gas hood 106 gas vent department sets up the draw-in groove, installs filter core 107 on the draw-in groove.
The gas hood 106 provides a sealed environment for the vacuum pump 105, and the gas exhausted from the vacuum pump 105 is exhausted through the exhaust holes of the gas hood 106. In order to avoid polluting the environment, a filter element 107 is arranged at the exhaust port.
Two ends of the connecting pipeline 2 are respectively connected with the cleaning brush head 3 and the workstation 1. The connecting pipeline 2 comprises a cleaning agent conveying line and a suction line, the cleaning agent conveying line is connected with the cleaning agent conveying line at the joint, and the suction line is connected with the suction line at the joint.
To facilitate movement of the workstation, a universal wheel is mounted to the bottom of the frame 104. A handle is attached to one side of the frame 104.
The working process of the light portable radioactive decontamination cleaning device provided by the invention is as follows:
the cleaning agent water pump 103 outputs the cleaning agent in the cleaning agent water tank 101 to the cleaning brush head 3, the cleaning brush head 3 mechanically rolls and brushes the cleaning reactor core pool steel coating surface, meanwhile, the vacuum pump 105 generates negative pressure to suck the cleaning brush head 3 rolling brush, cleaning waste liquid is sucked into the waste liquid collecting box 109 at a high speed through the connecting pipeline 2 and the connector 111, the waste liquid is prevented from entering the opening of the mechanical filtering part 108 by controlling the opening size and the opening height position of the air duct of the mechanical filtering part 108, sucked gas is discharged into the gas hood 106 through the vacuum pump 105, the gas pressure in the gas hood 106 is increased, and the gas is driven to be discharged to the outside through the filter element 107.
The mechanical filter component 108 of the invention can prevent liquid and particles with larger diameters from entering the vacuum pump 105, and ensure that the vacuum pump 105 is not damaged in the working process.
The combined action of the gas hood 106 and the filter element 107 filters and cleans the gas discharged by the vacuum pump 105, thereby avoiding the harm of radioactive aerosol to operators.
The above description of the embodiments is only for aiding in the understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The light portable radioactive decontamination cleaning device is characterized by comprising a workstation, a connecting pipeline and a cleaning brush head, wherein two ends of the connecting pipeline are respectively connected with the cleaning brush head and the workstation;
the workstation comprises: the device comprises a cleaning agent water tank, a battery, a cleaning agent water pump, a frame, a vacuum pump, a gas hood, a filter element, a mechanical filter part, a waste liquid collecting box and a connector;
the frame is divided into a left part and a right part, a cleaning agent water tank, a battery and a cleaning agent water pump are fixed in the right end, one end of the cleaning agent water pump is connected with the cleaning agent water tank, and the other end of the cleaning agent water pump is connected to the joint through a cleaning agent conveying pipeline;
the left end of the frame is connected with a fixed vacuum pump, the waste liquid collecting box is arranged below the vacuum pump, a mechanical filtering component is arranged at an air inlet at the lower part of the vacuum pump, the mechanical filtering component is arranged in the waste liquid collecting box, and the waste liquid collecting box is connected with the interface through a suction pipeline;
the vacuum pump is provided with a gas hood outside, and a filter element is arranged at the gas outlet of the gas hood.
2. The lightweight portable radioactive decontamination cleaning device of claim 1, wherein the cleaning solution pump is mounted above the cleaning solution tank with fasteners.
3. The lightweight portable radioactive decontamination cleaning device of claim 1, wherein the waste collection tank is snap-fit under a vacuum pump.
4. The lightweight portable radioactive decontamination cleaning device of claim 1, wherein the mechanical filter member is a multi-cylinder nested structure, and the lowermost end of the mechanical filter member is provided with a plurality of air duct openings.
5. The lightweight portable radioactive decontamination cleaning device of claim 1, wherein the connecting lines include a cleaning solution delivery line and a suction line connected to the cleaning solution delivery line and suction line, respectively, at the junction.
6. The lightweight portable radioactive decontamination cleaning device of claim 1, wherein the waste collection tank has a drain opening at the bottom.
7. The lightweight portable radioactive decontamination cleaning device of claim 1, wherein the sidewall of the mechanical filter member is threadably connected to the bottom of the vacuum pump.
8. The light portable radioactive decontamination cleaning device according to claim 1, wherein a clamping groove is arranged at the exhaust port of the gas hood, and a filter element is arranged on the clamping groove.
9. The lightweight portable radioactive decontamination cleaning device of claim 1, wherein the bottom of the frame is fitted with universal wheels.
10. The lightweight portable radioactive decontamination cleaning device of claim 1, wherein a handle is attached to one side of the frame.
CN202310562725.9A 2023-05-18 2023-05-18 Light portable radioactive decontamination cleaning device Pending CN117594271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310562725.9A CN117594271A (en) 2023-05-18 2023-05-18 Light portable radioactive decontamination cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310562725.9A CN117594271A (en) 2023-05-18 2023-05-18 Light portable radioactive decontamination cleaning device

Publications (1)

Publication Number Publication Date
CN117594271A true CN117594271A (en) 2024-02-23

Family

ID=89918917

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310562725.9A Pending CN117594271A (en) 2023-05-18 2023-05-18 Light portable radioactive decontamination cleaning device

Country Status (1)

Country Link
CN (1) CN117594271A (en)

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