CN204045226U - A kind of dry ice decontamination plant for removing radiation - Google Patents
A kind of dry ice decontamination plant for removing radiation Download PDFInfo
- Publication number
- CN204045226U CN204045226U CN201420509923.5U CN201420509923U CN204045226U CN 204045226 U CN204045226 U CN 204045226U CN 201420509923 U CN201420509923 U CN 201420509923U CN 204045226 U CN204045226 U CN 204045226U
- Authority
- CN
- China
- Prior art keywords
- dry ice
- vent cabinet
- vent
- gloves
- main body
- 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.)
- Active
Links
Abstract
The utility model provides a kind of dry ice decontamination plant for removing radiation, relate to Radwastes treatment technical field, comprise vent cabinet and be furnished with dry ice feedway, the dry ice cleaner main body of compressed air line and spray gun, spray gun comprises dry ice conduit and lance head, vent cabinet comprises the casing establishing cabinet door, one sidewall of casing is provided with two gloves holes and the view window in order to observe vent cabinet inside, two gloves holes are fixedly connected with the left protective gloves of a pair of protective gloves and right protective gloves respectively, one sidewall of vent cabinet and two gloves hole vicinities establishes gun inlets, dry ice conduit stretches into vent cabinet through gun inlets, lance head in use procedure is positioned at vent cabinet inside, casing top has filtered vent, filtered vent inside is provided with high efficiency particle air filter, high efficiency particle air filter is furnished with to maintain the blower fan of micro-vacuum state in vent cabinet.The utility model can not only reduce radiation secondary pollution to greatest extent, and uses safe and reliable.
Description
Technical field
The utility model relates to Radwastes treatment technical field, is specifically related to a kind of dry ice decontamination plant for removing radiation.
Background technology
Nuclear power station is in operation and maintenance process, radiomaterial can deposit gathering on the part of appliance of nuclear power plant system and Work tool, form radioactive contamination, in order to the reliability service of safeguards system and the healthy and safe of operating personnel, the concentration of the radioactive material on part of appliance and Work tool must be controlled within safety standard.Adopting decontamination technology effects on surface to suffer alpha-contamination part of appliance or Work tool to carry out decontamination cleaning, is the common method of concentration within safety standard controlling radioactive material at present.
Present stage, nuclear power station adopt decontamination technology mainly chemical immersion in conjunction with supersonic wave decontamination technique, chemical immersion is first be immersed in chemical agent by workpiece to be cleaned in conjunction with the mode that supersonic wave decontamination technique adopts, be aided with ultrasound wave vibration simultaneously and carry out surface decontamination process, chemical immersion is good in conjunction with supersonic wave decontamination technique clean effect, very micro-to the surface damage of workpiece, but, radiomaterial is dissolved in chemical solution in a large number, define again a large amount of radioactive liquid wastes, not only need to carry out secondary pollution process, and the difficulty of process is larger, cost is higher.If it is little or do not produce the decontamination plant of secondary pollution to explore a kind of secondary pollution, then better can solve the alpha-contamination problem of nuclear power station, to the guarantee normal operation of nuclear power plant system and the healthy and safe extremely important of operating personnel.
Utility model content
The utility model proposes a kind of dry ice decontamination plant for removing radiation, solve existing nuclear power plant decontamination technology and still there is unmanageable radiation secondary pollution problem, radiation secondary pollution can not only be reduced to greatest extent, and use safe and reliable, simple, convenient.
The technical solution of the utility model is achieved in that a kind of dry ice decontamination plant for removing radiation, comprises the dry ice cleaner main body being configured with dry ice feedway, compressed air line and spray gun; Dry ice cleaner main body is provided with dry ice outlet, and spray gun comprises dry ice conduit and lance head, and one end of dry ice conduit is flexibly connected with lance head, and the other end of dry ice conduit is communicated with dry ice cleaner main body by the dry ice outlet of dry ice cleaner main body,
Also comprise vent cabinet, described vent cabinet comprises the casing being provided with cabinet door, a sidewall of casing has view window opening and two gloves holes, view window opening is positioned at the top in two gloves holes, the inside of view window opening is fixed with the view window observing vent cabinet inside, two gloves holes connect the left protective gloves of a pair of protective gloves and right protective gloves respectively, and left protective gloves and right protective gloves are all positioned at the inside of vent cabinet; A sidewall of vent cabinet and two gloves hole vicinities also has gun inlets, and the dry ice conduit of described spray gun stretches into the inside of vent cabinet through gun inlets, the lance head in use procedure is positioned at the inside of vent cabinet; The top of casing has filtered vent, and the inside of filtered vent is provided with high efficiency particle air filter, and high efficiency particle air filter is configured with to maintain the blower fan of micro-vacuum state in vent cabinet.
On the basis of technique scheme, the inside of described vent cabinet is also provided with the work stage for laying workpiece to be cleaned.
On the basis of technique scheme, described gun inlets is provided with dry ice conduit gatherer, and dry ice conduit stretches into the inside of vent cabinet 4 through dry ice conduit gatherer.
On the basis of technique scheme, between described dry ice conduit gatherer and dry ice conduit, be also provided with the O-ring seal adopting resistance to exposed material to make.
On the basis of technique scheme, described filtered vent is also provided with the seal coordinated with high efficiency particle air filter, and described seal adopts resistance to exposed material to make.
On the basis of technique scheme, described compressed air line comprises interconnective dryer and filtrator, and described compressed air line is by the filtering outlet of filtrator and the power inlet communication of dry ice cleaner main body.
On the basis of technique scheme, institute's dry ice cleaner main body is provided with dry ice import and power import, dry ice cleaner main body is communicated with described dry ice feedway by dry ice import, and dry ice cleaner main body is communicated with described compressed air line by power import.
On the basis of technique scheme, between described view window opening and the edge of view window, be provided with radiotolerant encapsulant.
On the basis of technique scheme, described view window adopts lead glass to make.
On the basis of technique scheme, described protective gloves adopts resistance to exposed material to make.
The beneficial effects of the utility model are as follows:
(1), in the utility model, vent cabinet, in order to provide an airtight operating space, can carry out dry ice decontamination to cleaning workpiece, prevent radioactive contamination from spreading under subnormal ambient; The high efficiency particle air filter of filtered vent inside is in order to filter the radioaerosol in the dry ice of gasification and air and particulate; Blower fan, in order to maintain the tiny structure in vent cabinet, prevents radioactive contamination from spreading.Therefore, the utility model can reduce radiation secondary pollution to greatest extent.
(2), in the utility model, the O-ring seal adopting resistance to exposed material to make between dry ice conduit gatherer and dry ice conduit, is also provided with; Filtered vent is also provided with the seal coordinated with high efficiency particle air filter, and seal adopts resistance to exposed material to make; Radiotolerant encapsulant is provided with between view window opening and the edge of view window; View window adopts lead glass to make; Protective gloves adopts resistance to exposed material to make.Therefore, the utility model has used good shielding property, uses safe and reliable.
(3) process during the utility model is used to comprise the cabinet door opening vent cabinet, decontamination workpiece is put into casing, closing switch cabinet door, open the power switch of the blower fan of filtered vent inside, operating personnel carry out decontamination clean-out operation by gloves hole pistol, meanwhile, the situation of the decontamination clean-out operation of vent cabinet inside is observed by view window.Therefore, the utility model is simple, convenient.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is for removing the schematic flow sheet of the dry ice decontamination plant of radiation in the utility model embodiment;
Fig. 2 is for removing the side structure schematic diagram of the vent cabinet of the dry ice decontamination plant of radiation in the utility model embodiment;
Fig. 3 be in the utility model embodiment for removing the dry ice decontamination plant duty of radiation time the inner structure schematic diagram of vent cabinet.
In figure: 1-dry ice feedway, 2-dry ice cleaner main body, 3-spray gun, 4-vent cabinet, 5-compressed air line, 6-casing, 7-blower fan, 8-high efficiency particle air filter, 9-view window, 10-gloves hole, 11-work stage.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of dry ice decontamination plant for removing radiation, with reference to shown in Fig. 1, comprises the dry ice cleaner main body 2 being configured with dry ice feedway 1, compressed air line 5 and spray gun 3, also comprises a vent cabinet 4.Dry ice cleaner main body 2 is provided with dry ice outlet, and spray gun 3 comprises dry ice conduit and lance head, and one end of dry ice conduit is flexibly connected with lance head, and the other end of dry ice conduit is communicated with dry ice cleaner main body 2 by the dry ice outlet of dry ice cleaner main body 2.In the utility model embodiment, compressed air line 5 comprises interconnective dryer and filtrator, and compressed air line 5 is by the filtering outlet of filtrator and the power inlet communication of dry ice cleaner main body 2.
With reference to shown in Fig. 2 and Fig. 3, vent cabinet 4 comprises the casing 6 being provided with cabinet door, a sidewall of casing 6 has view window opening and two gloves holes 10, view window opening is positioned at the top in two gloves holes 10, the inside of view window opening is fixed with the view window 9 observing vent cabinet 4 inside, two gloves holes 10 are fixedly connected with the left protective gloves of a pair of protective gloves and right protective gloves respectively, and left protective gloves and right protective gloves are all positioned at the inside of vent cabinet 4; A sidewall of vent cabinet 4 and two gloves hole 10 vicinities also has gun inlets, the dry ice conduit of spray gun 3 stretches into the inside of vent cabinet 4 through gun inlets, lance head in use procedure is positioned at the inside of vent cabinet 4, in the utility model embodiment, gun inlets is provided with dry ice conduit gatherer, and dry ice conduit stretches into the inside of vent cabinet 4 through dry ice conduit gatherer; The top of casing 6 has filtered vent, and the inside of filtered vent is provided with high efficiency particle air filter 8, and high efficiency particle air filter 8 is configured with to maintain the blower fan 7 of micro-vacuum state in vent cabinet.
In the utility model embodiment, dry ice cleaner main body 2 is also provided with dry ice import and power import, and dry ice cleaner main body 2 is communicated with dry ice feedway 1 by dry ice import, and dry ice cleaner main body 2 is communicated with compressed air line 5 by power import.
Shown in Figure 3, in the utility model embodiment, the inside of vent cabinet 4 is also provided with the work stage 11 for laying workpiece to be cleaned.
In the utility model embodiment, be also provided with the O-ring seal adopting resistance to exposed material to make between dry ice conduit gatherer and dry ice conduit, O-ring seal adopts resistance to exposed material to make; Filtered vent is also provided with the seal coordinated with high efficiency particle air filter 8, and seal adopts resistance to exposed material to make; Be provided with encapsulant between the edge of view window opening and view window 9, encapsulant adopts radiotolerant encapsulant; Described view window 9 adopts lead glass to make; Described protective gloves adopts resistance to exposed material to make.
In the utility model embodiment, the spray gun 3 of dry ice cleaner main body 2 carries out clean-out operation in order to spray dry ice, can regulate air pressure and dry ice consumption.
In the utility model embodiment, dry ice feedway 1 is for splendid attire solid dry ice particle, and liquid carbon dioxide to be solidified by carbon dioxide ice maker and forms by solid dry ice particle, or comes from dry ice pellet factory.
Principle of work of the present utility model is as follows:
The utility model is by the dry ice particles of pressure-air by low temperature, sprays to handled thing, makes its surface smut be refrigerated to embrittlement and explosion.After dry ice pellet creeps into the crack of dirt, gasify immediately, nearly 800 times of its volume instantaneous expansion, thus dirt is taken away body surface.
Vent cabinet 4 in the utility model, in order to provide an airtight operating space, can carry out dry ice decontamination to cleaning workpiece, prevent radioactive contamination from spreading under subnormal ambient.
Dry ice feedway 1 in the utility model is connected with dry ice cleaner main body 2, for the workpiece decontamination in vent cabinet 4 provides the dry ice particles of regulation geomery.
Compressed air line 5 in the utility model is connected with dry ice cleaner main body 2, as dynamic impact problem during clean dirt.
The high efficiency particle air filter 8 of the filtered vent inside in the utility model is in order to filter the radioaerosol in the dry ice of gasification and air and particulate.
Blower fan 7 in the utility model, in order to maintain the tiny structure in vent cabinet, prevents radioactive contamination from spreading.
Using method of the present utility model is as follows:
Open the cabinet door of vent cabinet 4, decontamination workpiece is put into casing 6, closing switch cabinet door, open the power switch of the blower fan 7 of filtered vent inside.Operating personnel carry out decontamination clean-out operation by gloves hole 10 pistol 3, meanwhile, are observed the situation of the decontamination clean-out operation of vent cabinet 4 inside by view window 9.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc.; all should be included within protection domain of the present utility model; the content be not described in detail in this instructions, belongs to the known prior art of those skilled in the art.
Claims (10)
1., for removing a dry ice decontamination plant for radiation, comprise the dry ice cleaner main body (2) being configured with dry ice feedway (1), compressed air line (5) and spray gun (3); Dry ice cleaner main body (2) is provided with dry ice outlet, spray gun (3) comprises dry ice conduit and lance head, one end of dry ice conduit is flexibly connected with lance head, and the other end of dry ice conduit is communicated with dry ice cleaner main body (2) by the dry ice outlet of dry ice cleaner main body (2)
It is characterized in that, also comprise vent cabinet (4), described vent cabinet (4) comprises the casing (6) being provided with cabinet door, a sidewall of casing (6) has view window opening and two gloves holes (10), view window opening is positioned at the top of two gloves holes (10), the inside of view window opening is fixed with the view window (9) observing vent cabinet inside, two gloves holes (10) connect the left protective gloves of a pair of protective gloves and right protective gloves respectively, and left protective gloves and right protective gloves are all positioned at the inside of vent cabinet (4); Vent cabinet (4) also has gun inlets with a sidewall of two gloves holes (10) vicinities, and the dry ice conduit of described spray gun (3) stretches into the inside of vent cabinet (4) through gun inlets, the lance head in use procedure is positioned at the inside of vent cabinet (4); The top of casing (6) has filtered vent, and the inside of filtered vent is provided with high efficiency particle air filter (8), and high efficiency particle air filter (8) is configured with to maintain the blower fan (7) of micro-vacuum state in vent cabinet.
2. a kind of dry ice decontamination plant for removing radiation as claimed in claim 1, it is characterized in that, the inside of described vent cabinet (4) is also provided with the work stage (11) for laying workpiece to be cleaned.
3. a kind of dry ice decontamination plant for removing radiation as claimed in claim 1, it is characterized in that, described gun inlets is provided with dry ice conduit gatherer, and dry ice conduit stretches into the inside of vent cabinet 4 through dry ice conduit gatherer.
4. a kind of dry ice decontamination plant for removing radiation as claimed in claim 1, is characterized in that, be also provided with the O-ring seal adopting resistance to exposed material to make between described dry ice conduit gatherer and dry ice conduit.
5. a kind of dry ice decontamination plant for removing radiation as claimed in claim 1, it is characterized in that, described filtered vent is also provided with the seal coordinated with high efficiency particle air filter (8), and described seal adopts resistance to exposed material to make.
6. a kind of dry ice decontamination plant for removing radiation as claimed in claim 1, it is characterized in that, described compressed air line (5) comprises interconnective dryer and filtrator, the filtering outlet of described compressed air line (5) by filtrator and the power inlet communication of dry ice cleaner main body (2).
7. a kind of dry ice decontamination plant for removing radiation as claimed in claim 1, it is characterized in that, institute's dry ice cleaner main body (2) is provided with dry ice import and power import, dry ice cleaner main body (2) is communicated with described dry ice feedway (1) by dry ice import, and dry ice cleaner main body (2) is communicated with described compressed air line (5) by power import.
8. a kind of dry ice decontamination plant for removing radiation as claimed in claim 1, is characterized in that, be provided with radiotolerant encapsulant between the edge of described view window opening and view window (9).
9. a kind of dry ice decontamination plant for removing radiation as described in any one of claim 1 to 8, is characterized in that, described view window (9) adopts lead glass to make.
10. a kind of dry ice decontamination plant for removing radiation as described in any one of claim 1 to 8, it is characterized in that, described protective gloves adopts resistance to exposed material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509923.5U CN204045226U (en) | 2014-09-05 | 2014-09-05 | A kind of dry ice decontamination plant for removing radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509923.5U CN204045226U (en) | 2014-09-05 | 2014-09-05 | A kind of dry ice decontamination plant for removing radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045226U true CN204045226U (en) | 2014-12-24 |
Family
ID=52245867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420509923.5U Active CN204045226U (en) | 2014-09-05 | 2014-09-05 | A kind of dry ice decontamination plant for removing radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045226U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499217A (en) * | 2016-01-15 | 2016-04-20 | 中国科学技术大学 | Cleaning and decontaminating method and device in fusion reactor hot room |
| CN106513379A (en) * | 2016-04-12 | 2017-03-22 | 浙江博凡动力装备股份有限公司 | Movable dry ice washing assembly |
| RU2638951C1 (en) * | 2016-11-29 | 2017-12-19 | Федеральное государственное унитарное предприятие "Предприятие по обращению с радиоактивными отходами "РосРАО"" | Method for deactivating solid radioactive waste with ice granules |
| CN110444309A (en) * | 2018-01-29 | 2019-11-12 | 中国辐射防护研究院 | A kind of nuclear facilities radioactivity technology waste gas processing system |
| CN114904842A (en) * | 2022-05-27 | 2022-08-16 | 苏州热工研究院有限公司 | Decontamination method and decontamination device for radioactive tools |
-
2014
- 2014-09-05 CN CN201420509923.5U patent/CN204045226U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499217A (en) * | 2016-01-15 | 2016-04-20 | 中国科学技术大学 | Cleaning and decontaminating method and device in fusion reactor hot room |
| CN106513379A (en) * | 2016-04-12 | 2017-03-22 | 浙江博凡动力装备股份有限公司 | Movable dry ice washing assembly |
| RU2638951C1 (en) * | 2016-11-29 | 2017-12-19 | Федеральное государственное унитарное предприятие "Предприятие по обращению с радиоактивными отходами "РосРАО"" | Method for deactivating solid radioactive waste with ice granules |
| CN110444309A (en) * | 2018-01-29 | 2019-11-12 | 中国辐射防护研究院 | A kind of nuclear facilities radioactivity technology waste gas processing system |
| CN110444309B (en) * | 2018-01-29 | 2023-06-23 | 中国辐射防护研究院 | Nuclear facility radioactive process waste gas treatment system |
| CN114904842A (en) * | 2022-05-27 | 2022-08-16 | 苏州热工研究院有限公司 | Decontamination method and decontamination device for radioactive tools |
| CN114904842B (en) * | 2022-05-27 | 2023-10-20 | 苏州热工研究院有限公司 | Decontamination method and decontamination device for radioactive tools |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204045226U (en) | A kind of dry ice decontamination plant for removing radiation | |
| CN205216452U (en) | Intermediate frequency electric stove smoke and dust eduction gear | |
| CN110538541B (en) | Electric automatization intelligence dust pelletizing system | |
| CN105169876A (en) | Welding fume purifying environment-friendly device | |
| CN207221618U (en) | Polishing dust remover | |
| CN206315617U (en) | A kind of emission-control equipment with intelligence sensor | |
| CN108057292A (en) | Workshop dust processing equipment | |
| CN103433860A (en) | Sand blasting room for workpiece surface treatment | |
| CN207941320U (en) | Workshop dust processing equipment | |
| CN206631344U (en) | Deduster and ash-cleaner for dust remover for aluminium polishing | |
| CN201799790U (en) | High negative pressure welding fume purification equipment and purification system employing same | |
| CN209936694U (en) | Full-automatic outer dust blowing type purifying equipment | |
| CN113368626A (en) | Dust remover and dust removal welding machine equipment | |
| CN209109751U (en) | A kind of laser cleaning head and laser cleaning system | |
| CN104289059A (en) | Air filtration device | |
| CN204170524U (en) | A kind of air filter | |
| CN216404295U (en) | Coke oven sealing and auxiliary dust removing device | |
| CN204817386U (en) | De -ironing separator iron core cleaning device | |
| CN204656158U (en) | Air-conditioning filter net cleaning device | |
| CN209939963U (en) | A dust removal atomizer for band conveyer | |
| CN204380424U (en) | A kind of air box pulse dust remover | |
| CN216856171U (en) | Metallurgical engineering dust collector | |
| CN219539847U (en) | Intelligent unorganized dust suppression system equipment | |
| CN218636938U (en) | Heat conduction oil furnace tail gas treatment equipment | |
| CN211133454U (en) | Flue gas filtering device for boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |