CN103871532B - Non-tight radioactive substance storage cabinet - Google Patents
Non-tight radioactive substance storage cabinet Download PDFInfo
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- CN103871532B CN103871532B CN201210539237.8A CN201210539237A CN103871532B CN 103871532 B CN103871532 B CN 103871532B CN 201210539237 A CN201210539237 A CN 201210539237A CN 103871532 B CN103871532 B CN 103871532B
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- tight
- seal case
- radioactive substance
- cabinet
- air
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Abstract
The present invention relates to the cabinet of the storage non-tight radioactive substances such as a kind of nuclear facilities field test, radiating medical.Its structure include seal case and be arranged on seal case enter exhaust Air Cleaning system, seal case arranges multiple hermatic door, seal case is internal to be layered by shelf screen, is used for storing non-tight radioactive substance；Enter exhaust Air Cleaning system to include blower fan, enter the air cleaning facilities such as air draft high efficiency particulate air filter, active carbon filter, piezometer, electric cabinet.Non-tight radioactive substance storage cabinet provided by the present invention has the feature such as mechanical strength irradiation high, resistance to, ventilation volume and negative pressure is adjustable, good, the easy decontamination of security performance.Meanwhile, this equipment can realize the dynamic subsumption to non-tight radioactive substance.
Description
Technical field
The invention belongs to core air purification field, be specifically related to the storages such as a kind of nuclear facilities field test, radiating medical non-
The equipment of contained radioactivity material.
Background technology
In order to ensure military project, nuclear industry, the nuclear facilities safe operation such as nuclear power station, research reactor, reprocessing plant and checking factory
Whether room has radio active gas contamination, stops the gaseous state radioactive substances such as radioiodide enter ambient atmosphere and ensure to enter
Factory Building worker safety, sets up multiple core air cleaning air supplying and exhausting system in nuclear facilities Factory Building.Verify that these systems are
No radioaerosol and radioiodine can be stoped under properly functioning and accident condition to enter ambient atmosphere, spike to be used
Radioactive source is checked.Spike radioactive source does not the most have radioactive substance leakage.But the residual liquid after Shi Yan or residue
The possible residual activity liquid in radioactive source surface, so may will have air to be contaminated, and operator have in operation
Contaminated air may be sucked and cause internal contamination.So, develop and a kind of not only can store radioactive source but also have purification function
Equipment is imperative.
Summary of the invention
It is an object of the invention to provide one and both can store radioactive source, can realize again radioactive substance is dynamic
The non-tight radioactive substance storage cabinet contained.
Technical scheme is as follows: a kind of non-tight radioactive substance storage cabinet, including seal case, at seal box
Arrange on body into exhaust Air Cleaning system.
Further, non-tight radioactive substance storage cabinet as above, wherein, described seal case is arranged multiple
Hermatic door, seal case is internal to be layered by shelf screen, is used for storing non-tight radioactive substance.
Further, non-tight radioactive substance storage cabinet as above, wherein, inside the cabinet door of described seal case
Posting sealing strip, cabinet door surrounding is provided with the handwheel for compressing, and compresses sealing strip by tightening handwheel, to ensure casing
Air-tightness.
Further, non-tight radioactive substance storage cabinet as above, wherein, described seal case operating pressure model
Enclosing for-400Pa～0Pa, properly functioning pressure is-250Pa；Running in the case of properly functioning pressure 4 times, seal case is the least
Time leakage rate less than cabinet internal volume 10%.
Further, non-tight radioactive substance storage cabinet as above, wherein, described exhaust Air Cleaning system of entering includes
The air intake high efficiency particulate air filter being connected with the air inlet of seal case by butterfly valve, the air outlet of seal case passes through butterfly valve and work
Property carbon filter, air draft high efficiency particulate air filter, blower fan are connected.
Further, described exhaust Air Cleaning system of entering also includes piezometer, electric cabinet.
Further, non-tight radioactive substance storage cabinet as above, wherein, described enters exhaust Air Cleaning system close
Keeping in joint sealing body under the negative pressure of 150Pa～250Pa, air charge rate is not less than 20 times/h, to radioaerosol and gas
Filter efficiency >=99.99%.
Beneficial effects of the present invention is as follows: cabinet provided by the present invention has exhaust Air Cleaning while storage goods
Function, it has the advantage such as mechanical strength irradiation high, resistance to, ventilation volume and negative pressure is adjustable, good, the easy decontamination of security performance.This storage
Deposit cabinet be possible not only to store radioactive substance, even and if when radioactive substance has leakage, it is possible to realize to non-tight radiate
The dynamic subsumption of property material.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of cabinet of the present invention.
In figure, 1. air intake high efficiency particulate air filter 2. butterfly valve 3. blower fan 4. air draft high efficiency particulate air filter 5. active carbon adsorber
6. electric cabinet 7. hermatic door 8. door lock
Detailed description of the invention
With implementation process, the present invention is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, non-tight radioactive substance storage cabinet by cabinet main body, exhaust Air Cleaning system and some attached help
Parts form.
Cabinet main body includes the shelf screen in a seal case and casing.Shelf screen is fixed in seal case
Supporting layer on, casing is provided with hermatic door 7, and hermatic door 7 arranges door lock 8.Seal case overall dimensions about 1400mm ×
650mm × 2100mm, hermatic door totally four, point upper and lower two interlayers, interlayer is used for storing radioactive goods.
Seal case is welded by not less than 1mm corrosion resistant plate, and screen is the corrosion resistant plate that surface is uniformly distributed circular hole
Composition, the size of circular hole determines according to air-conditioning requirement；
Posting sealing strip inside the cabinet door of seal case, surrounding is provided with the handwheel for compressing, by tightening handwheel
Compress sealing strip, to ensure the air-tightness of casing, each cabinet door be both provided with door lock, it is ensured that the safety of deposited material.
Air cleaning system is used for removing issuable aerosol in seal case, solid particulate matter or radioactivity gas
Body；It is made up of 1, two dish valves 2 of air intake high efficiency particulate air filter, air draft high efficiency particulate air filter 4, active carbon adsorber 5 and blower fan 3；Attached help
Parts are made up of a power controling box, two pieces of differential manometers and enter/exhaust duct.
Air inlet is arranged at seal case top, and air inlet is provided with butterfly valve and air intake high efficiency particulate air filter, and centre vacuum is fast
Unloading Flange joint, air intake high efficiency particulate air filter can ensure that the gas entered in casing does not has unacceptable particulate matter gentle molten
Glue, cabinet controls air inflow and the negative pressure in regulation cabinet entering in cabinet by an air intake butterfly valve, negative in making cabinet
Pressure is maintained at 150-250Pa, and in the case of cabinet does not uses, closes butterfly valve, it is ensured that the pollution in cabinet
Air will not leak to environment by air inlet.
Air inlet side is provided with an air outlet, and air outlet is sequentially connected in series air-out butterfly valve, high efficiency particulate air filter, activated carbon suction
Adnexa, blower fan and exhaust duct, with vacuum quick release flange clip and flexible pipe and clamp connection；Control to flow out by air outlet butterfly valve
Negative pressure in the flow of casing and regulating box body；High efficiency particulate air filter can remove aerosol and solid particulate matter, the mistake flowing out casing
Filter efficiency >=99.99%；When gas flows through active carbon adsorber, radgas therein can be adsorbed onto on adsorber, anti-
Only arrange outside radioactive substance, filter efficiency >=99%.
Power controling box and two pieces of Pressure gauges it are also equipped with above seal case, can by the reading on two pieces of pressure gauges
To obtain rapidly the pressure reduction between casing inside and outside differential pressure and blower fan and casing.
Table 1 cabinet and critical piece technical parameter table
Chamber pressure-bearing: shell should be able to bear the blower fan surge pressure of 1.25 times, is maintaining 1.25 times of blower fan surge pressures
In the case of, casing is without permanent deformation and crack；After stopping bleeding, casing is without permanent deformation.
Negative pressure: during normal operating, should be able to keep the negative pressure of 150～250Pa in cabinet.
Air-tightness: the sealing of chamber should meet, at 4 times of maximum operating pressure (-250Pa), i.e. under-1000Pa, often
Hour leakage rate should be less than the 10% of cabinet internal volume.
Air quantity: in the case of the minimum and maximum resistance of filter, systematic air flow should meet design requirement, i.e. at cabinet
Keeping in casing under the negative pressure of 150Pa～250Pa, air charge rate is not less than 20 times/h.
The operating process of the cabinet of the present invention is as follows:
After casing installation at the scene, debug by technical parameter, for new cabinet, debug qualified after just may be used
To come into operation；
The internal cabinet having stored radioactive substance, in use, first switches on power, opens inlet valve,
Starting blower fan, observe two pieces of differential manometers at casing top, if pressure reduction is not when scope of design, regulation air intake valve is in pressure reduction
In prescribed limit；
Keep fan operation at least a few minutes, it is ensured that in cabinet, radgas or aerosol have already decreased to acceptable water
Flat, then open door lock, turn on handwheel, slowly open the cabinet door of cabinet, put into or take out required article；
Slowly closing cabinet door, tightens handwheel, and handwheel notes when tightening: diagonal is tightened, and the most first twists the upper left corner, then twists
The lower right corner, then twists the upper right corner, finally twists the lower left corner.The most all handwheels are tightened, it is ensured that the air-tightness of casing
Well；
Close exhaust blower, close air intake valve, finally lock on cabinet door.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technology thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (6)
1. a non-tight radioactive substance storage cabinet, it is characterised in that: include seal case, seal case is arranged into row
Wind cleaning system, described exhaust Air Cleaning system of entering includes by butterfly valve efficient with the air intake that the air inlet of seal case is connected
Filter, the air outlet of seal case is connected with active carbon filter, air draft high efficiency particulate air filter, blower fan by butterfly valve.
2. non-tight radioactive substance storage cabinet as claimed in claim 1, it is characterised in that: arrange on described seal case
Multiple hermatic doors, seal case is internal to be layered by shelf screen, is used for storing non-tight radioactive substance.
3. non-tight radioactive substance storage cabinet as claimed in claim 1 or 2, it is characterised in that: described seal case
Posting sealing strip inside cabinet door, cabinet door surrounding is provided with the handwheel for compressing, and compresses sealing strip by tightening handwheel, to protect
The air-tightness of card casing.
4. non-tight radioactive substance storage cabinet as claimed in claim 3, it is characterised in that: described seal case runs pressure
Power scope is-400Pa～0Pa, and properly functioning pressure is-250Pa；Run in the case of properly functioning pressure 4 times, seal case
Leakage rate hourly is less than the 10% of cabinet internal volume.
5. non-tight radioactive substance storage cabinet as claimed in claim 1, it is characterised in that: described enters exhaust Air Cleaning system
Also include piezometer, electric cabinet.
6. the non-tight radioactive substance storage cabinet as described in claim 1 or 5, it is characterised in that: described enters exhaust Air Cleaning
System keeps under the negative pressure of 150Pa～250Pa in seal case, and air charge rate is not less than 20 times/h, to radioaerosol
Filter efficiency >=99.99% with gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539237.8A CN103871532B (en) | 2012-12-13 | 2012-12-13 | Non-tight radioactive substance storage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210539237.8A CN103871532B (en) | 2012-12-13 | 2012-12-13 | Non-tight radioactive substance storage cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103871532A CN103871532A (en) | 2014-06-18 |
| CN103871532B true CN103871532B (en) | 2016-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210539237.8A Active CN103871532B (en) | 2012-12-13 | 2012-12-13 | Non-tight radioactive substance storage cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN103871532B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107754461A (en) * | 2016-08-15 | 2018-03-06 | 中广核研究院有限公司 | A kind of passive exhaust apparatus of hazardous waste hold-up vessel |
| CN106875996B (en) * | 2017-01-04 | 2018-08-24 | 中国原子能科学研究院 | It is a kind of238PuO2Head tank surface contamination method of disposal |
| CN110005242B (en) * | 2019-05-10 | 2023-11-21 | 中国工程物理研究院总体工程研究所 | Accident-resistant shelter with fire-resistant, collision-resistant and gunshot-resistant capabilities |
| CN111644211A (en) * | 2020-04-30 | 2020-09-11 | 中国辐射防护研究院 | Iodine source cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031295A (en) * | 1987-08-11 | 1989-02-22 | 高温反应器制造股份公司 | Packing into and unloading method of low capacity gas-cooled nuclear reactor device and such nuclear reactor plant operating element |
| CN1734682A (en) * | 2004-03-18 | 2006-02-15 | 霍尔泰克国际股份有限公司 | Systems and methods for storing high level radioactive waste |
| CN101523506A (en) * | 2005-03-25 | 2009-09-02 | 好泰克国际有限公司 | System and method of storing high level waste |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1849163B1 (en) * | 2005-02-11 | 2014-07-30 | Holtec International, Inc. | Manifold system for the ventilated storage of high level waste and a method of using the same to store high level waste in a below-grade environment |
| KR101150487B1 (en) * | 2010-01-29 | 2012-05-31 | 한국기초과학지원연구원 | Compact tritium storage vessel for recovering storing and delivering of tritium in nuclear fusion facilities |
-
2012
- 2012-12-13 CN CN201210539237.8A patent/CN103871532B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1031295A (en) * | 1987-08-11 | 1989-02-22 | 高温反应器制造股份公司 | Packing into and unloading method of low capacity gas-cooled nuclear reactor device and such nuclear reactor plant operating element |
| CN1734682A (en) * | 2004-03-18 | 2006-02-15 | 霍尔泰克国际股份有限公司 | Systems and methods for storing high level radioactive waste |
| CN101523506A (en) * | 2005-03-25 | 2009-09-02 | 好泰克国际有限公司 | System and method of storing high level waste |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103871532A (en) | 2014-06-18 |
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