CN102728174B - Filtration system for hydrogen in nuclear power station containment vessel - Google Patents
Filtration system for hydrogen in nuclear power station containment vessel Download PDFInfo
- Publication number
- CN102728174B CN102728174B CN201210198383.9A CN201210198383A CN102728174B CN 102728174 B CN102728174 B CN 102728174B CN 201210198383 A CN201210198383 A CN 201210198383A CN 102728174 B CN102728174 B CN 102728174B
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- container
- filtered
- nuclear power
- power station
- 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.)
- Expired - Fee Related
Links
- 239000001257 hydrogen Substances 0.000 title claims abstract description 85
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 85
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000001914 filtration Methods 0.000 title claims abstract description 24
- 239000000706 filtrate Substances 0.000 claims abstract description 20
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 15
- 230000005855 radiation Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000443 aerosol Substances 0.000 claims description 35
- 239000012530 fluid Substances 0.000 claims description 23
- 241000628997 Flos Species 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000003758 nuclear fuel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The invention discloses a filtration system for hydrogen in a nuclear power station containment vessel. The system is formed by a plurality of hydrogen filters (2) in parallel connection and is characterized in that the housing of the hydrogen filter (2) is an enclosed container, the upper half cavity of the container is hollow, the lower half cavity of the container is a filtrate chamber which contains radiation absorbing liquid (5), the bottom of the container is provided with a to-be-filtered hydrogen inlet (6) which is communicated with a to-be-filtered hydrogen main (9) through a pipeline, and the top of the container is provided with a clean hydrogen discharging outlet (3) which is communicated with a clean hydrogen discharging main (8) through a pipeline. As long as the filtration system for hydrogen provided in the invention is installed in a nuclear power station, hydrogen in a containment vessel can be harmlessly discharged in the case that reactor fuels in the nuclear power station are damaged because of occurrence of natural disasters such as earthquakes and tsunamis, thereby preventing accident expansion caused by hydrogen explosion.
Description
Technical field
The present invention relates to a kind of Nuclear Safety equipment, especially a kind of filtration system for hydrogen in nuclear power station containment.
Background technology
As everyone knows, when nuclear power plant reactor fuel damages, the steam in unit to react with the zirconium in fuel rod sleeve pipe generation hydrogen, and probably leaks in containment vessel, after combination with oxygen, just likely blasts.At present, prevent the method for hydrogen explosion in containment from being nitrogen injection in containment.Due to when nuclear power plant reactor fuel damages, nuclear radiation agent amount is necessarily very high, and in containment, injects a large amount of nitrogen need to complete for a long time, certainly will bring life threat to operator; If the hydrogen in containment is discharged containment, operate convenient a lot; If do not add process directly the hydrogen in containment to be discharged, the nuclear radiation thing in containment certainly will be discharged in the lump, will nuclear leakage have been caused like this, polluted surrounding environment.Therefore, designing a kind of filtration system for hydrogen in nuclear power station containment, is the current technical issues that need to address.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of filtration system for hydrogen in nuclear power station containment.
The technical scheme that the present invention solves its technical problem is:
Filtration system for hydrogen in nuclear power station containment, be formed in parallel by several hydrogen filters, the housing of hydrogen filter is closed container, first chamber cavity of container, second chamber of container is for filtering sap cavity, radiation adsorption liquid is loaded with in filtration sap cavity, hydrogen inlet port to be filtered is had in the bottom of container, hydrogen inlet port to be filtered is communicated with hydrogen manifold road to be filtered by pipeline, have clean hydrogen discharge mouth at the top of container, clean hydrogen discharge mouth is communicated with the total delivery pipe of clean hydrogen by pipeline.
After the present invention installed by nuclear power station, once because of the generation of the natural calamity such as earthquake, tsunami, when causing nuclear power plant reactor fuel to damage, by the hydrogen harmless discharge in containment, can avoid hydrogen explosion, cause the accident expansion.
As a preferred embodiment of the present invention, useless filtered fluid floss hole is provided with in the bottom of the container of hydrogen filter, useless filtered fluid floss hole is communicated with useless filtered fluid discharge manifold by pipeline, the pipeline that useless filtered fluid floss hole is communicated with useless filtered fluid discharge manifold is provided with useless filtered fluid vent valves, be provided with cleaned filtrate in the bottom of the container of hydrogen filter or middle sidepiece and add entrance, cleaned filtrate adds entrance and adds house steward by pipeline with cleaned filtrate and be communicated with, add entrance and cleaned filtrate cleaned filtrate to add and pipeline that house steward is communicated with is provided with cleaned filtrate adds valve.
Useless filtered fluid floss hole is set and cleaned filtrate adds entrance, replaceable filtered fluid, makes filtration system for hydrogen in nuclear power station containment Effec-tive Function.
As another preferred version of the present invention, described container is vertical tank body, vertical tank body is made up of can body and cover, can body and cover are joined with bolts by flange, seal without cushion steam between can body and cover, described clean hydrogen discharge mouth is located on can body or cover, in first chamber of container, be provided with aerosol fillter.
Aerosol fillter is set, the aerosol being adsorbed with radiogen can be stoped to discharge with hydrogen, pollute, filtration system for hydrogen in nuclear power station containment security can be made higher.
As another preferred version of the present invention, described hydrogen inlet port to be filtered has to stretch in the middle part of tank chamber and prolongs pipe, inside prolongs the gas outlet of tube end upwards.
This interior pipe that prolongs effectively can prevent waller effect, avoids hydrogen to be filtered to contact with filtered fluid insufficient, affects filter efficiency.
As another preferred version again of the present invention, described gas outlet is multiple, multiple gas outlet layout ringwise.
This layout, hydrogen to be filtered can be made to contact with filtered fluid more abundant, filter efficiency is higher.
As one of the present invention more preferably scheme, dividing plate is provided with in the chamber of can body, dividing plate has aerosol fillter installing hole, described aerosol fillter is with adpting flange, aerosol fillter is hung on dividing plate by adpting flange, adpting flange is provided with aerosol fillter attachment screw hole, and aerosol fillter is fixed by screw and dividing plate, seals between aerosol fillter and dividing plate without cushion steam.
Because the hydrogen temperature in containment is very high, general seal gasket will be melted and lose sealing usefulness, therefore, by being necessary without cushion steam Seal Design.
As another more preferably scheme of the present invention, described aerosol fillter is multiple.
Arranging multiple aerosol fillter, is conveniently change.
As another more preferably scheme of the present invention, in the chamber of can body, be provided with hydrogen uniform board to be filtered, hydrogen uniform board to be filtered is near the bottom of tube chamber and on the top of hydrogen inlet port to be filtered.
Hydrogen uniform board to be filtered is set, hydrogen to be filtered can be made more fully to contact with filtered fluid.
Described aerosol fillter is made up of keel shoe and screen pack, keel shoe is the stainless steel bucket of sidewall band passage, the adpting flange of aerosol fillter is located at the bung place of staving, the lower surface of adpting flange is provided with trapezoidal bulge loop, dividing plate is provided with the trapezoidal annular groove of coupling, and trapezoidal bulge loop coordinates with trapezoidal annular groove hermetic seal; Screen pack is the annular corrugated cylinder that stainless steel wire mesh grid is converted into, and screen pack is attached on keel shoe.
The lower surface of the adpting flange of cover is provided with trapezoidal bulge loop, the adpting flange of can body is provided with the trapezoidal annular groove of coupling, trapezoidal bulge loop coordinates with trapezoidal annular groove hermetic seal.
Described radiation adsorption liquid is NaOH mass concentration is 0.6-0.65%, Na
2s
2o
3mass concentration is the aqueous solution of 0.3-0.35%.
Accompanying drawing explanation
Fig. 1 is systematic schematic diagram of the present invention;
Fig. 2 is the structural representation (the first embodiment) of hydrogen filter of the present invention;
Fig. 3 is the structural representation (the second embodiment) of hydrogen filter of the present invention;
Fig. 4 is the keel frame structure schematic diagram of aerosol fillter of the present invention;
Fig. 5 is the filter screen sectional view of aerosol fillter of the present invention;
Fig. 6 is I portion enlarged drawing in Fig. 2, Fig. 3.
Detailed description of the invention
As shown in Figure 1,1. filtration system for hydrogen in nuclear power station containment, be formed in parallel by several hydrogen filters 2, it is characterized in that: the housing of hydrogen filter 2 is closed container, first chamber cavity of container, second chamber of container is for filtering sap cavity, radiation adsorption liquid 5 is loaded with in filtration sap cavity, hydrogen inlet port 6 to be filtered is had in the bottom of container, hydrogen inlet port 6 to be filtered is communicated with hydrogen manifold road 9 to be filtered by pipeline, have clean hydrogen discharge mouth 3 at the top of container, clean hydrogen discharge mouth 3 is communicated with by the total delivery pipe 8 of pipeline and clean hydrogen.
As Fig. 2, shown in Fig. 3, useless filtered fluid floss hole 7 is provided with in the bottom of the container of hydrogen filter 2, useless filtered fluid floss hole 7 is communicated with useless filtered fluid discharge manifold 10 by pipeline, the pipeline that useless filtered fluid floss hole 7 is communicated with useless filtered fluid discharge manifold 10 is provided with useless filtered fluid vent valves 13, be provided with cleaned filtrate in the bottom of the container of hydrogen filter 2 or middle sidepiece and add entrance 1, cleaned filtrate adds entrance 1 and adds house steward 11 by pipeline and cleaned filtrate and be communicated with, add entrance 1 and cleaned filtrate cleaned filtrate to add and pipeline that house steward 11 is communicated with is provided with cleaned filtrate adds valve 12.
As shown in Figure 2 and Figure 3, described container is vertical tank body, vertical tank body is made up of can body 2-1 and cover 2-2, can body 2-1 and cover 2-2 is joined with bolts by flange, seal without cushion steam between can body 2-1 and cover 2-2, described clean hydrogen discharge mouth 3 is located on can body 2-1 or cover 2-2, in first chamber of container, be provided with aerosol fillter 4.
As shown in Figure 2 and Figure 3, described hydrogen inlet port 6 to be filtered has to stretch in the middle part of tank chamber and prolongs pipe 6-1, inside prolongs the gas outlet 6-2 of pipe 6-1 end upwards.
As shown in Figure 2 and Figure 3, described gas outlet 6-2 is multiple, multiple gas outlet layout ringwise.
As shown in Figure 2 and Figure 3, dividing plate 2-3 is provided with in the chamber of can body 2-1, dividing plate 2-3 has aerosol fillter installing hole, described aerosol fillter 4 is with adpting flange, aerosol fillter 4 is hung on dividing plate 2-3 by adpting flange, adpting flange is provided with aerosol fillter attachment screw hole, and aerosol fillter 4 is fixed by screw and dividing plate 2-3, seals between aerosol fillter 4 and dividing plate 2-3 without cushion steam.
As shown in Figure 2 and Figure 3, described aerosol fillter 4 is multiple.
As shown in Figure 2 and Figure 3, be provided with hydrogen uniform board 2-4 to be filtered in the chamber of can body 2-1, hydrogen uniform board 2-4 to be filtered is near the bottom of tube chamber and on the top of hydrogen inlet port 6 to be filtered.
As shown in Figure 4, Figure 5, described aerosol fillter 4 is made up of keel shoe and screen pack, keel shoe is the stainless steel bucket of sidewall band passage, the adpting flange of aerosol fillter 4 is located at the bung place of staving, the lower surface of adpting flange is provided with trapezoidal bulge loop, dividing plate 2-3 is provided with the trapezoidal annular groove of coupling, and trapezoidal bulge loop coordinates with trapezoidal annular groove hermetic seal; Screen pack is the annular corrugated cylinder that stainless steel wire mesh grid is converted into, and screen pack is attached on keel shoe.
As shown in Figure 6, the lower surface of the adpting flange of cover 2-2 is provided with trapezoidal bulge loop, the adpting flange of can body 2-1 is provided with the trapezoidal annular groove of coupling, trapezoidal bulge loop coordinates with trapezoidal annular groove hermetic seal.
Described radiation adsorption liquid 5 for NaOH mass concentration be 0.6-0.65%, Na
2s
2o
3mass concentration is the aqueous solution of 0.3-0.35%.
Claims (7)
1. filtration system for hydrogen in nuclear power station containment, be formed in parallel by several hydrogen filters (2), it is characterized in that: the housing of hydrogen filter (2) is closed container, first chamber cavity of container, second chamber of container is for filtering sap cavity, radiation adsorption liquid (5) is loaded with in filtration sap cavity, hydrogen inlet port (6) to be filtered is had in the bottom of container, hydrogen inlet port (6) to be filtered is communicated with hydrogen manifold road (9) to be filtered by pipeline, clean hydrogen discharge mouth (3) is had at the top of container, clean hydrogen discharge mouth (3) is communicated with the total delivery pipe of clean hydrogen (8) by pipeline, useless filtered fluid floss hole (7) is provided with in the bottom of the container of hydrogen filter (2), useless filtered fluid floss hole (7) is communicated with useless filtered fluid discharge manifold (10) by pipeline, the pipeline that useless filtered fluid floss hole (7) is communicated with useless filtered fluid discharge manifold (10) is provided with useless filtered fluid vent valves (13), be provided with cleaned filtrate in the bottom of the container of hydrogen filter (2) or middle sidepiece and add entrance (1), cleaned filtrate adds entrance (1) and adds house steward (11) by pipeline and cleaned filtrate and be communicated with, add entrance (1) and cleaned filtrate cleaned filtrate to add and pipeline that house steward (11) is communicated with is provided with cleaned filtrate adds valve (12), in the chamber of can body (2-1), be provided with hydrogen uniform board (2-4) to be filtered, hydrogen uniform board (2-4) to be filtered is near the bottom of tube chamber and on the top of hydrogen inlet port (6) to be filtered, described container is vertical tank body, vertical tank body is made up of can body (2-1) and cover (2-2), can body (2-1) and cover (2-2) are joined with bolts by flange, seal without cushion steam between can body (2-1) and cover (2-2), described clean hydrogen discharge mouth (3) is located on can body (2-1) or cover (2-2), is provided with aerosol fillter (4) in first chamber of container, described aerosol fillter (4) is made up of keel shoe and screen pack, keel shoe is the stainless steel bucket of sidewall band passage, the adpting flange of aerosol fillter (4) is located at the bung place of staving, the lower surface of adpting flange is provided with trapezoidal bulge loop, dividing plate (2-3) is provided with the trapezoidal annular groove of coupling, and trapezoidal bulge loop coordinates with trapezoidal annular groove hermetic seal, screen pack is the annular corrugated cylinder that stainless steel wire mesh grid is converted into, and screen pack is attached on keel shoe.
2. filtration system for hydrogen in nuclear power station containment according to claim 1, is characterized in that: described hydrogen inlet port (6) to be filtered has to stretch in the middle part of tank chamber prolongs pipe (6-1), inside prolongs the gas outlet (6-2) of pipe (6-1) end upwards.
3. filtration system for hydrogen in nuclear power station containment according to claim 2, is characterized in that: described gas outlet (6-2) for multiple, multiple gas outlet layout ringwise.
4. filtration system for hydrogen in nuclear power station containment according to claim 3, it is characterized in that: in the chamber of can body (2-1), be provided with dividing plate (2-3), dividing plate (2-3) there is aerosol fillter installing hole, described aerosol fillter (4) is with adpting flange, aerosol fillter (4) is hung on dividing plate (2-3) by adpting flange, adpting flange is provided with aerosol fillter attachment screw hole, aerosol fillter (4) is fixed by screw and dividing plate (2-3), seals between aerosol fillter (4) and dividing plate (2-3) without cushion steam.
5. filtration system for hydrogen in nuclear power station containment according to claim 2, is characterized in that: described aerosol fillter (4) is for multiple.
6. filtration system for hydrogen in nuclear power station containment according to claim 1, it is characterized in that: on the lower surface of the adpting flange of cover (2-2), be provided with trapezoidal bulge loop, the adpting flange of can body (2-1) is provided with the trapezoidal annular groove of coupling, and trapezoidal bulge loop coordinates with trapezoidal annular groove hermetic seal.
7. filtration system for hydrogen in nuclear power station containment according to claim 1, is characterized in that: described radiation adsorption liquid (5) for NaOH mass concentration be 0.6-0.65%, Na
2s
2o
3mass concentration is the aqueous solution of 0.3-0.35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210198383.9A CN102728174B (en) | 2012-06-16 | 2012-06-16 | Filtration system for hydrogen in nuclear power station containment vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210198383.9A CN102728174B (en) | 2012-06-16 | 2012-06-16 | Filtration system for hydrogen in nuclear power station containment vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102728174A CN102728174A (en) | 2012-10-17 |
| CN102728174B true CN102728174B (en) | 2015-01-21 |
Family
ID=46984897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210198383.9A Expired - Fee Related CN102728174B (en) | 2012-06-16 | 2012-06-16 | Filtration system for hydrogen in nuclear power station containment vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102728174B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093469A (en) * | 2017-03-31 | 2017-08-25 | 中国核工业第五建设有限公司 | Hydrogen gas lines anti-leak and leakage detection method in nuclear power station |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR201815753T4 (en) * | 2014-07-14 | 2018-11-21 | Framatome Inc | Convection dry filter compartment ventilation system. |
| CN104157318B (en) * | 2014-08-12 | 2016-09-14 | 中广核工程有限公司 | Nuclear power station hydrogeneous Spent Radioactive gas processing system |
| CN106290495B (en) * | 2016-07-25 | 2018-11-09 | 杨林 | Filtration system for hydrogen in nuclear power station containment |
| CN106531273A (en) * | 2016-11-08 | 2017-03-22 | 中国核电工程有限公司 | Water solution for absorbing nuclear accident release matter |
| CN114797391A (en) * | 2022-06-01 | 2022-07-29 | 中国核动力研究设计院 | Hydrogen separator, regulation and control method and research reactor coolant purification system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700450A (en) * | 2009-11-13 | 2010-05-05 | 核电秦山联营有限公司 | Containment filtration exhaust system |
| CN201811936U (en) * | 2010-03-18 | 2011-04-27 | 中国船舶重工集团公司第七一八研究所 | Self-starting hydrogen concentration measuring device for nuclear power station |
| CN102226949A (en) * | 2011-04-20 | 2011-10-26 | 衡阳师范学院 | Method and device for carrying out adsorption quantity improvement and dehydrogenation on radioactive gases |
| CN202700344U (en) * | 2012-06-16 | 2013-01-30 | 武安市晶天工贸有限公司 | Hydrogen filtering system of containment vessel of nuclear power plant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009257925A (en) * | 2008-04-16 | 2009-11-05 | Toshiba Corp | Hydrogen disposal device |
-
2012
- 2012-06-16 CN CN201210198383.9A patent/CN102728174B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700450A (en) * | 2009-11-13 | 2010-05-05 | 核电秦山联营有限公司 | Containment filtration exhaust system |
| CN201811936U (en) * | 2010-03-18 | 2011-04-27 | 中国船舶重工集团公司第七一八研究所 | Self-starting hydrogen concentration measuring device for nuclear power station |
| CN102226949A (en) * | 2011-04-20 | 2011-10-26 | 衡阳师范学院 | Method and device for carrying out adsorption quantity improvement and dehydrogenation on radioactive gases |
| CN202700344U (en) * | 2012-06-16 | 2013-01-30 | 武安市晶天工贸有限公司 | Hydrogen filtering system of containment vessel of nuclear power plant |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-257925A 2009.11.05 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107093469A (en) * | 2017-03-31 | 2017-08-25 | 中国核工业第五建设有限公司 | Hydrogen gas lines anti-leak and leakage detection method in nuclear power station |
| CN107093469B (en) * | 2017-03-31 | 2019-03-01 | 中国核工业第五建设有限公司 | Hydrogen gas lines anti-leak and leakage detection method in nuclear power station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102728174A (en) | 2012-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102728174B (en) | Filtration system for hydrogen in nuclear power station containment vessel | |
| JP6288781B2 (en) | Filter for reactor containment ventilation system | |
| CN101465167B (en) | Nuclear reactor containment and nuclear energy generating apparatus using the same | |
| CN103229246A (en) | Nuclear reactor containment vessel and nuclear power plant | |
| CN103871489A (en) | Passive filter discharge system for underground nuclear power station | |
| CN203839051U (en) | Passive filtering-discharging system of underground nuclear power station | |
| JP2012230078A (en) | Decontamination device, decontamination method, nuclear power plant, and reconstruction method therefor | |
| CN202700344U (en) | Hydrogen filtering system of containment vessel of nuclear power plant | |
| CN110294221B (en) | Anti-leakage floating roof tank and anti-leakage method | |
| CN205710934U (en) | A kind of hydrogen making machine outlet stable-pressure device | |
| CN103871532B (en) | Non-tight radioactive substance storage cabinet | |
| CN209925170U (en) | Special vacuum pump for synthesis reaction kettle with front-mounted active carbon isolation device | |
| CN103084016A (en) | Gas pipeline filter | |
| CN201083323Y (en) | Combustible gas explosion-proof device | |
| CN108877964A (en) | Nuclear power plant containment shell filtering emission system | |
| CN211574241U (en) | Leak-free detection system for a sealing device with a collecting device | |
| CN208298557U (en) | Nuclear power plant containment shell filtering emission system | |
| CN102304466A (en) | Protective system for methane tank | |
| CN210410217U (en) | Light oxygen catalytic unit of environmental protection exhaust-gas treatment equipment | |
| CN201391660Y (en) | Liquid sealer | |
| CN203803248U (en) | Filter sweeping device of gas pressure regulating station | |
| CN210140558U (en) | Intelligent nitrogen charging protection and oil gas recovery device for tank field | |
| CN104616707A (en) | Boron injection system for second reactor shutdown system of research reactor | |
| CN110189837B (en) | Pressure regulation and filtering discharge system of containment vessel | |
| CN202366588U (en) | Gas pipeline filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEBEI UNIVERSITY OF ENGINEERING Free format text: FORMER OWNER: WUAN JINGTIAN INDUSTRY + TRADE CO., LTD. Effective date: 20150108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiao Yuesheng Inventor after: Zhang Tao Inventor after: Geng Heyuan Inventor after: Gan Lu Inventor after: Wen Guangsheng Inventor before: Wen Guangsheng |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: Free format text: CORRECT: ADDRESS; FROM: 056300 HANDAN, HEBEI PROVINCE TO: 056038 HANDAN, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150108 Address after: 056038 Guangming South Street, Hebei, Handan, No. 199 Patentee after: Hebei University of Engineering Address before: 056300, Hebei, Handan province Wuan city town building Patentee before: Wuan Jingtian Industry & Trade Co., Ltd. |
|
| CI01 | Correction of invention patent gazette |
Correction item: Patentee|Address Correct: Wuan Jingtian Industry & Trade Co., Ltd.|056300, Hebei, Handan province Wuan city town building False: Hebei University of Engineering|056038 Guangming South Street, Hebei, Handan, No. 199 Number: 04 Volume: 31 Correction item: Inventor Correct: Wen Guangsheng False: Xiao Yuesheng|Zhang Tao|Geng Heyuan|Gan Lu|Wen Guangsheng Number: 04 Volume: 31 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; ADDRESS; FROM: HEBEI UNIVERSITY OF ENGINEERING;056038 HANDAN, HEBEI PROVINCE TO: WUAN JINGTIAN INDUSTRY + TRADE CO., LTD.;056300 HANDAN, HEBEI PROVINCE |
|
| C56 | Change in the name or address of the patentee |
Owner name: HEBEI ZHUOHUA ENVIRONMENT ENGINEERING CO., LTD. Free format text: FORMER NAME: WUAN JINGTIAN INDUSTRY + TRADE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 056300 Handan, Hebei City, Wuan Province town of Bo Patentee after: Hebei Zhuo Hua Environmental Engineering Co., Ltd. Address before: 056300, Hebei, Handan province Wuan city town building Patentee before: Wuan Jingtian Industry & Trade Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: HEBEI BOQIANG ENVIRONMENTAL PROTECTION TECHNOLOGY Free format text: FORMER OWNER: HEBEI ZHUOHUA ENVIRONMENT ENGINEERING CO., LTD. Effective date: 20150803 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150803 Address after: 056000 Hebei city in Handan Province, the North Main Street, No. 702 building 2-401 Lyrae Patentee after: Hebei Bo Qiang Environmental Protection Technology Co., Ltd Address before: 056300 Handan, Hebei City, Wuan Province town of Bo Patentee before: Hebei Zhuo Hua Environmental Engineering Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: WEN JIANHUI Free format text: FORMER OWNER: HEBEI BOQIANG ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20150819 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150819 Address after: 056300 construction street, extension Town, Wuan, Hebei Patentee after: Wen Jianhui Address before: 056000 Hebei city in Handan Province, the North Main Street, No. 702 building 2-401 Lyrae Patentee before: Hebei Bo Qiang Environmental Protection Technology Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20180616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |