CN108565036A - Equipment and sweep-out method are quickly removed in a kind of hard dielectric surface radioactive contamination - Google Patents
Equipment and sweep-out method are quickly removed in a kind of hard dielectric surface radioactive contamination Download PDFInfo
- Publication number
- CN108565036A CN108565036A CN201810163391.7A CN201810163391A CN108565036A CN 108565036 A CN108565036 A CN 108565036A CN 201810163391 A CN201810163391 A CN 201810163391A CN 108565036 A CN108565036 A CN 108565036A
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- China
- Prior art keywords
- dust
- pressure water
- equipment
- dust collection
- dielectric surface
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Classifications
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- 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
- G21F9/008—Apparatus specially adapted for mixing or disposing radioactively contamined material
-
- 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
-
- 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
-
- 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
- G21F9/28—Treating solids
- G21F9/30—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
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Ventilation (AREA)
Abstract
Equipment and sweep-out method are quickly removed in a kind of hard dielectric surface radioactive contamination, it is related to radioactive contamination control and removes field, vacuum dust collection device and more set high-pressure water-spray dust removal devices are respectively equipped on equipment carriage body, the suction inlet of vacuum dust collection device is accessed after filter screen by dust collection pipeline A and is connect with vacuum pump A, multiple dust shielding storehouse of more set high-pressure water-spray dust removal devices is connect by mechanical arm with equipment carriage body respectively, high pressure water pipeline in dust shielding storehouse is connect by high-pressure hydraulic pump with water tank, dust collection pipeline B is connect with circulation filter, filtering circulating device respectively with liquid wastes deep filter, solid waste warehouse, vacuum pump B connections, liquid wastes deep filter is connected to setting with water tank by filtering liquid return tube；One-stop operation of the present invention can be rapidly completed contamination and remove, and soil removal efficiency is high, amount of waste is few, does not generate secondary pollution, can preferably solve the problems, such as that hard dielectric surface radioactive contamination is rapidly and efficiently removed.
Description
Technical field
The present invention relates to radioactive contamination control and field is removed, more particularly, to a kind of hard dielectric surface radioactive contamination
Quickly remove equipment and sweep-out method.
Background technology
Well known, increasingly perfect with nuclear energy application technology, the development and utilization of nuclear energy is more extensive, is brought to the mankind
Huge economic benefit and social benefit.In processing such as nuclear fuel exploitation, transport, processing, storage and nuclear waste disposals and answer
In link, all different degrees of generates radioactive contamination；Nuclear power plant accident, nuclear terror raid event, quasi- nuclear strike etc.
It will produce a large amount of radioactive contamination.Currently, the radioactive contamination sweep-out method of hard dielectric surface mainly has：Vacuum cleaning, height
The methods of blow wash, peelable film decontamination；Wherein, vacuum cleaning is difficult to realize enough negative pressure in engineer application field, removes
Rate is low, and effect is restricted；Although the radioactive contamination on high pressure water washing energy scour medium surface, will produce a large amount of waste liquids,
Form secondary pollution；Peelable film decontamination is when implementing, the such environmental effects such as membrane body drying and forming-film time wind-engaging, rain, snow
It is larger, it is difficult to it is controllable to implement, and membrane body drying stripping is time-consuming longer；Existing sweep-out method cannot preferably meet hard media table
Radioactive contamination engineering in face removes demand, and there is an urgent need for a kind of disposition sides that can be rapidly and efficiently removed to radioactive dust, particle
Method.
Invention content
In order to overcome the shortcomings of in background technology, the invention discloses a kind of hard dielectric surface radioactive contamination quickly to remove
Equipment and sweep-out method.
In order to realize that the goal of the invention, the present invention adopt the following technical scheme that：
Equipment is quickly removed in a kind of hard dielectric surface radioactive contamination, including vacuum dust collection device, high-pressure water-spray dust removal device and
Equipment carriage body, is respectively equipped with vacuum dust collection device and more set high-pressure water-spray dust removal devices on equipment carriage body, and the vacuum is removed
Dirt device includes suction inlet, filter screen, vacuum pump, and suction inlet is accessed after filter screen by dust collection pipeline A and connect with vacuum pump A；
Arbitrary a set of high-pressure water-spray dust removal device include dust shielding storehouse, water tank, liquid wastes deep filter, filtering circulating device,
Solid waste warehouse, multiple dust shieldings storehouse are connect by mechanical arm with equipment carriage body respectively, in dust shielding storehouse respectively
Equipped with high pressure water pipeline and dust collection pipeline B, the high pressure water pipeline is connect by high-pressure hydraulic pump with water tank, dust collection pipeline B with
Circulation filter connects, and filtering circulating device connects with liquid wastes deep filter, solid waste warehouse, vacuum pump B respectively
It connects, the liquid wastes deep filter is connected to setting with water tank by filtering liquid return tube；Dust shielding storehouse setting
For the cylindrical shape with cavity, the top that storehouse is shielded in dust is equipped with hard disc, goes out to be equipped with modeling in the outer edge of hard disc
Material beam is gone along with sb. to guard him, and is equipped with multiple high-pressure water mist nozzles in the lower part uniform intervals of hard disc, powder is equipped at the middle part of hard disc
Dirt shields storehouse suction inlet, and the dust shielding storehouse suction inlet is connect by dust collection pipeline C with circulation filter.
Equipment is quickly removed in the hard dielectric surface radioactive contamination, the suction inlet be provided with it is multiple, and after parallel connection
Setting is connected to dust collection pipeline A, the spacing arrangement of more dust collection pipeline A is identical, and length is identical.
Equipment is quickly removed in the hard dielectric surface radioactive contamination, and dust shields high-pressure water mist nozzle and height in storehouse
The connection setting of pressure pipe road.
Equipment, the vacuum dust collection device and more set high-pressure water mists are quickly removed in the hard dielectric surface radioactive contamination
The identical setting of floor space of dust-extraction unit.
Equipment is quickly removed in the hard dielectric surface radioactive contamination, and the hard disc is rosette.
The sweep-out method of equipment is quickly removed in a kind of hard dielectric surface radioactive contamination, specifically includes following steps：
（1）, remove radioactivity floating dust：
Radioactivity floating dust forms negative pressure by vacuum pump A, is sucked after dust collection pipeline by strainer filtering by suction inlet, removes radioactivity
Floating dust；
（2）, high-pressure water mist dedusting：
Previous step is connect, the bottom end that plastics beam is gone along with sb. to guard him is in close contact with hard dielectric surface, and forming one prevents radioactive dust
It escapes under high-pressure water mist effect the constraint space of diffusion；High-pressure water mist nozzle jet stream is relatively strong by hard dielectric surface adhesive force and stitches
Radioactive pollutant in gap washes away, then shields storehouse suction inlet by dust collection pipeline by the dust of hard disc top center
It imports in filtering circulating device, radioactive liquid and solids is separated by it, the radioactive liquid isolated is stored in liquid
Waste deep filter, the solids isolated are stored in solid waste warehouse, and liquid wastes deep filter is again by depth
The liquid filtered liquid return duct managed imports water tank and is continuing with.
By adopting the above-described technical solution, the present invention has the advantages that：
Equipment and sweep-out method are quickly removed in hard dielectric surface radioactive contamination of the present invention, floating by removing radioactivity
Dirt, the one-stop operation of high-pressure water mist dust removal step can be rapidly completed contamination and remove, and soil removal efficiency is high, amount of waste is few, it is secondary not generate
Pollution, can preferably solve the problems, such as that hard dielectric surface radioactive contamination is rapidly and efficiently removed；And by filtering circulating device to returning
The radioactive dust filtration, purification containing water mist received recycles solid waste storage and waste liquid after advanced treating；This
Invention the method is versatile, can be manufactured and designed for place, road using the method for the invention according to required removing environment
Equipment is removed in the large-scale ground radioactive contamination of road operation, can also manufacture and design the small-scale terrestrial for narrow zone operation, wall
Equipment is removed in face radioactive contamination.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram in dust shielding of the present invention storehouse；
In figure：1, suction inlet；2, dust collection pipeline A；3, dust shields storehouse；4, high pressure water pipeline；5, dust collection pipeline B；6, equipment compartment
Body；7, high-pressure hydraulic pump；8, filter screen；9, water tank；10, vacuum pump A；11, liquid return tube is filtered；12, liquid wastes depth mistake
Filter；13, circulation filter；14, solid waste warehouse；15, vacuum pump B；16, high-pressure water mist nozzle；17, dust shields storehouse
Suction inlet；18, plastics beam is gone along with sb. to guard him；19, dust collection pipeline C.
Specific implementation mode
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
Equipment, including vacuum dust collection device, height are quickly removed in hard dielectric surface radioactive contamination in conjunction with described in attached drawing 1-2
Water-fog dusting apparatus and equipment carriage body are pressed, vacuum dust collection device is respectively equipped on the top of equipment carriage body and more set high-pressure water mists removes
Dirt device, the vacuum dust collection device include suction inlet 1, filter screen 8, vacuum pump 10, and suction inlet 1 is accessed by dust collection pipeline A2
It is connect with vacuum pump A10 after filter screen 8；Arbitrary a set of high-pressure water-spray dust removal device includes that dust shielding storehouse 3, water tank 9, liquid are useless
Object deep filter 12, filtering circulating device 13, solid waste warehouse 14, multiple dust shielding storehouse 3 respectively by mechanical arm with
Equipment carriage body connects, and high pressure water pipeline 4 and dust collection pipeline B5, the high pressure water pipeline 4 are respectively equipped in dust shielding storehouse 3
It is connect with water tank 9 by high-pressure hydraulic pump 7, dust collection pipeline B5 is connect with circulation filter 13, and filtering circulating device 13 is distinguished
It is connect with liquid wastes deep filter 12, solid waste warehouse 14, vacuum pump B15, the liquid wastes deep filter 12
It is connected to water tank 9 by filtering liquid return tube 11；Dust shielding storehouse 3 is set as the cylindrical shape with cavity, in dust
The top for shielding storehouse 3 is equipped with hard disc, goes out in the outer edge of hard disc and goes along with sb. to guard him 18 equipped with plastics beam, under hard disc
Portion's uniform intervals are equipped with multiple high-pressure water mist nozzles 16, and being equipped with dust at the middle part of hard disc shields storehouse suction inlet 17, described
Dust shielding storehouse suction inlet 17 is connect by dust collection pipeline C19 with circulation filter 13.
Equipment is quickly removed in the hard dielectric surface radioactive contamination, the suction inlet 1 be provided with it is multiple, and after parallel connection
Setting is connected to dust collection pipeline A2, the spacing arrangement of more dust collection pipeline A2 is identical, and length is identical, to ensure in entire width width
Face dust removing effects are consistent.
Equipment is quickly removed in the hard dielectric surface radioactive contamination, and dust shields the high-pressure water mist nozzle 16 in storehouse 3
It connect setting with high pressure water pipeline 4.
Equipment, the vacuum dust collection device and more set high-pressure water mists are quickly removed in the hard dielectric surface radioactive contamination
The identical setting of floor space of dust-extraction unit.
Equipment is quickly removed in the hard dielectric surface radioactive contamination, and the hard disc is rosette.
The sweep-out method of equipment is quickly removed in a kind of hard dielectric surface radioactive contamination, specifically includes following steps：
（1）, remove radioactivity floating dust：
Radioactivity floating dust forms negative pressure by vacuum pump A10, is sucked after dust collection pipeline 2 by suction inlet 1 and is filtered by strainer 8, removed
Radioactivity floating dust；
（2）, high-pressure water mist dedusting：
Previous step is connect, plastics beam is gone along with sb. to guard him into 18 bottom end and hard dielectric surface is in close contact, forming one prevents radioactivity powder
Dirt is escaped the constraint space of diffusion under high-pressure water mist effect；16 jet stream of high-pressure water mist nozzle by hard dielectric surface adhesive force compared with
Radioactive pollutant in strong and gap washes away, then by the dust shielding storehouse suction inlet 17 of hard disc top center by
Dust collection pipeline 19 imports in filtering circulating device 13, is separated into radioactive liquid and solids by it, the radioactivity liquid isolated
Body is stored in liquid wastes deep filter 12, and the solids isolated is stored in solid waste warehouse 14, liquid wastes depth
The liquid filtered liquid return duct 11 that advanced treating is crossed is imported water tank 9 again and is continuing with by filter 12.
Implement hard dielectric surface radioactive contamination of the present invention and quickly removes equipment and sweep-out method, when in use,
Radioactivity floating dust forms negative pressure by vacuum pump A10, is sucked after dust collection pipeline 2 by suction inlet 1 and is filtered by strainer 8, removes radiation
Property floating dust；The bottom end and hard dielectric surface that plastics beam is gone along with sb. to guard him to 18 again are in close contact, and forming one prevents radioactive dust in height
Press the constraint space of the lower escape diffusion of water mist effect；High-pressure water mist nozzle 16 in more set dust shielding storehouses 3 is connected separately with height
Pressure pipe road 4, the dust shielding storehouse suction inlets 17 covered in dust shielding storehouse 3 are connected with dust collection pipeline B5 more, and high pressure water pipeline 4 is logical
It crosses high-pressure hydraulic pump 7 and water tank 9 connects, radiation of 16 jet stream of high-pressure water mist nozzle by hard dielectric surface adhesive force relatively by force and in gap
Contact scar object washes away, then is imported by dust collection pipeline 19 by the dust shielding storehouse suction inlet 17 of hard disc top center
It filters in circulator 13, radioactive liquid and solids is separated by it, vacuum pump B15 is that solid waste divides from mixed waste
From power is provided, the radioactive liquid isolated is stored in liquid wastes deep filter 12, and the solids isolated is stored in
Solid waste warehouse 14, liquid wastes deep filter 12 again import the liquid filtered liquid return duct 11 that advanced treating is crossed
Water tank 9 is continuing with.
Part not in the detailed description of the invention is the prior art.
The embodiment selected herein for the goal of the invention of the open present invention, is presently considered to be suitable, still,
It is to be understood that belonging to all changes and the improvement of the embodiment in this design and invention scope the present invention is intended to include all.
Claims (6)
1. equipment, including vacuum dust collection device, high-pressure water-spray dust removal device are quickly removed in a kind of hard dielectric surface radioactive contamination
With equipment carriage body, it is characterized in that：Vacuum dust collection device and more set high-pressure water-spray dust removal devices are respectively equipped on equipment carriage body,
The vacuum dust collection device includes suction inlet, filter screen, vacuum pump, and suction inlet is accessed after filter screen and true by dust collection pipeline A
Sky pump A connections；Arbitrary a set of high-pressure water-spray dust removal device includes dust shielding storehouse, water tank, liquid wastes deep filter, filtering
Circulator, solid waste warehouse, multiple dust shieldings storehouse are connect by mechanical arm with equipment carriage body respectively, and storehouse is shielded in dust
It is inside respectively equipped with high pressure water pipeline and dust collection pipeline B, the high pressure water pipeline is connect by high-pressure hydraulic pump with water tank, dust suction
Pipeline B is connect with circulation filter, filtering circulating device respectively with liquid wastes deep filter, solid waste warehouse, true
Sky pump B connections, the liquid wastes deep filter are connected to setting with water tank by filtering liquid return tube；The dust shielding
Storehouse is set as the cylindrical shape with cavity, and the top that storehouse is shielded in dust is equipped with hard disc, goes out in the outer edge of hard disc
It is gone along with sb. to guard him equipped with plastics beam, multiple high-pressure water mist nozzles is equipped in the lower part uniform intervals of hard disc, at the middle part of hard disc
Storehouse suction inlet is shielded equipped with dust, the dust shielding storehouse suction inlet is connect by dust collection pipeline C with circulation filter.
2. equipment is quickly removed in hard dielectric surface radioactive contamination according to claim 1, it is characterized in that：The suction inlet
It is provided with multiple, and is connected to setting after parallel connection with dust collection pipeline A, the spacing arrangement of more dust collection pipeline A is identical, and length is identical.
3. equipment is quickly removed in hard dielectric surface radioactive contamination according to claim 1, it is characterized in that：Dust shields storehouse
Interior high-pressure water mist nozzle is arranged with high pressure water piping connection.
4. equipment is quickly removed in hard dielectric surface radioactive contamination according to claim 1, it is characterized in that：The vacuum is removed
The setting identical with more set floor spaces of high-pressure water-spray dust removal device of dirt device.
5. equipment is quickly removed in hard dielectric surface radioactive contamination according to claim 1, it is characterized in that：The hard circle
Disk is rosette.
6. the clear of equipment is quickly removed in the hard dielectric surface radioactive contamination in a kind of 1-6 using claim described in any right
Except method, following steps are specifically included：
（1）, remove radioactivity floating dust：
Radioactivity floating dust forms negative pressure by vacuum pump A, is sucked after dust collection pipeline by strainer filtering by suction inlet, removes radioactivity
Floating dust；
（2）, high-pressure water mist dedusting：
Previous step is connect, the bottom end that plastics beam is gone along with sb. to guard him is in close contact with hard dielectric surface, and forming one prevents radioactive dust
It escapes under high-pressure water mist effect the constraint space of diffusion；High-pressure water mist nozzle jet stream is relatively strong by hard dielectric surface adhesive force and stitches
Radioactive pollutant in gap washes away, then shields storehouse suction inlet by dust collection pipeline by the dust of hard disc top center
It imports in filtering circulating device, radioactive liquid and solids is separated by it, the radioactive liquid isolated is stored in liquid
Waste deep filter, the solids isolated are stored in solid waste warehouse, and liquid wastes deep filter is again by depth
The liquid filtered liquid return duct managed imports water tank and is continuing with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163391.7A CN108565036B (en) | 2018-02-27 | 2018-02-27 | Rapid removing equipment and removing method for radioactive contamination on surface of hard medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163391.7A CN108565036B (en) | 2018-02-27 | 2018-02-27 | Rapid removing equipment and removing method for radioactive contamination on surface of hard medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108565036A true CN108565036A (en) | 2018-09-21 |
| CN108565036B CN108565036B (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810163391.7A Active CN108565036B (en) | 2018-02-27 | 2018-02-27 | Rapid removing equipment and removing method for radioactive contamination on surface of hard medium |
Country Status (1)
| Country | Link |
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| CN (1) | CN108565036B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110689987A (en) * | 2019-10-22 | 2020-01-14 | 中国核动力研究设计院 | Comprehensive decontamination process for stainless steel shell of hot chamber |
| CN115055392A (en) * | 2022-04-14 | 2022-09-16 | 华能山东石岛湾核电有限公司 | High-temperature gas cooled reactor graphite nodule surface decontamination screening system and method |
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| CN204270663U (en) * | 2014-11-24 | 2015-04-15 | 江麓机电集团有限公司 | Nucleus biochemical aggregate protection system |
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| JP2001116892A (en) * | 1999-10-21 | 2001-04-27 | Taisei Corp | Method for decontaminating surface layer of inorganic layer by use of laser beam and high-pressure gas and apparatus for use therein |
| CN101278358A (en) * | 2005-10-05 | 2008-10-01 | 法国原子能委员会 | Vacuumable gel for decontaminating surfaces and use thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110689987A (en) * | 2019-10-22 | 2020-01-14 | 中国核动力研究设计院 | Comprehensive decontamination process for stainless steel shell of hot chamber |
| CN115055392A (en) * | 2022-04-14 | 2022-09-16 | 华能山东石岛湾核电有限公司 | High-temperature gas cooled reactor graphite nodule surface decontamination screening system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108565036B (en) | 2019-12-31 |
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