CN104361912A - Water inlet system suitable for caisson type marine nuclear power station under emergency condition - Google Patents
Water inlet system suitable for caisson type marine nuclear power station under emergency condition Download PDFInfo
- Publication number
- CN104361912A CN104361912A CN201410612844.1A CN201410612844A CN104361912A CN 104361912 A CN104361912 A CN 104361912A CN 201410612844 A CN201410612844 A CN 201410612844A CN 104361912 A CN104361912 A CN 104361912A
- Authority
- CN
- China
- Prior art keywords
- water inlet
- temperature
- caisson
- inlet system
- sensing element
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000013535 sea water Substances 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 239000002826 coolant Substances 0.000 claims description 21
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 abstract description 7
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 1
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/18—Emergency cooling arrangements; Removing shut-down heat
- G21C15/182—Emergency cooling arrangements; Removing shut-down heat comprising powered means, e.g. pumps
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
- G21C17/112—Measuring temperature
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The invention discloses a water inlet system suitable for a caisson type marine nuclear power station under an emergency condition. The water inlet system comprises a control mechanism and an executing mechanism, wherein the control mechanism comprises a temperature-sensing element, a control circuit and an electromagnetic valve I which are in electric connection in sequence; the temperature-sensing element is used for monitoring temperature of a caisson of the nuclear power station, when the temperature is greater than a preset value, the control circuit is controlled to be communicated, and then the electromagnetic valve I is controlled to be opened; the executing mechanism comprises a water inlet valve driving pipeline and at least one water inlet valve connected with the water inlet valve driving pipeline, and the water inlet valve is arranged on the caisson; the electromagnetic valve I is connected with the water inlet valve driving pipeline, and controls the communication of the water inlet valve driving pipeline. The water inlet system has the advantages that (1) the temperature-sensing element is adopted, an emergency water inlet system can be triggered quickly and directly, and slow response of the system is avoided; (2) a sea-water battery is prepared as a power source, so that after a main power source is invalid, the reliability of the system is ensured; (3) the water inlet valve is driven by air pressure or hydraulic pressure, so that the problem that electric drive can be invalid is further avoided, and then the stability of system operation is improved.
Description
Technical field
The present invention relates to and be a kind ofly applicable to caisson type marine nuclear power station water inlet system in emergency circumstances, belong to marine technical field of nuclear power safety.
Background technology
Nuclear power station can not cool in time and often produce catastrophic effect, below for Fukushima nuclear power station leakage accident, understands the process that its accident occurs, to evade the reason of nuclear accident generation pointedly, provides nuclear safety.
Because earthquake strength exceeds the antidetonation limit of Fukushima nuclear power station.After earthquake, in reactor, control rod inserts, automatic shutdown.But surplus heat needs to continue transfer release after shutdown, but externally fed electrical network is damaged cannot power because of earthquake, now emergency power diesel-driven generator is started working, but suffer that tsunami destroys subsequently, have to enable the second cover emergency cell power for subsequent use, continue pump water cooling, but battery can only maintain eight hours.Electric power can not stablize supply, and water pump can not work very well, evaporated and the water of discharging far more than the water in piii reactor, water is fewer and feweri, some fuel rod just starts exposed on water level, and temperature rises rapidly, and temperature is more than 1200 degrees Celsius, so under high-temperature, the zirconium of fuel can and water generation chemical reaction, produce zirconia and hydrogen, hydrogen runs up to finite concentration, with oxygen reaction in air, therefore there occurs the blast of outer building.Continuing for preventing the temperature of containment raise and damage, finally having to inject cooled with seawater.
The deficiency of its emergent water inlet system can be found out: emergency power diesel-driven generator is easy to because of earthquake and other reasons damage from the process of Fukushima nuclear power plant accident generation; Reserve battery is held time short; Not in time, adjustment process is sluggish for cooled with seawater.
Summary of the invention
The object of this invention is to provide and be a kind ofly applicable to caisson type marine nuclear power station water inlet system in emergency circumstances, this water inlet system comprises control gear and topworks, in control gear temperature-sensing element can under nuclear accident operating mode perception environment temperature, and trigger water intaking valve water inrush in topworks fast, directly; And power supply be equipped with accessory power supply can reliable, continue power is provided, make water inlet system stable operation, thus nuclear power station temperature reduced, to ensure the nuclear power station even safety of surrounding environment.
Provided by the inventionly be applicable to caisson type marine nuclear power station water inlet system in emergency circumstances, it comprises control gear and topworks;
Described control gear comprises temperature-sensing element, control circuit and the solenoid valve I be electrically connected successively; Described temperature-sensing element is for monitoring the temperature in the caisson of caisson type marine nuclear power station, and when the temperature in described caisson is higher than setting value, described temperature-sensing element controls described control circuit and is communicated with, and then controls the unlatching of described solenoid valve I;
Described topworks comprises water intaking valve and drives pipeline and be attached thereto at least one water intaking valve connect, and described water intaking valve is located on described caisson;
Described solenoid valve I and described water intaking valve drive pipeline to be connected, and drive the connection of pipeline for controlling described water intaking valve.
Above-mentioned water inlet system, the drive source of described water intaking valve adopts pneumatic actuation source or hydraulic drive source.
Above-mentioned water inlet system, described solenoid valve I is powered by accumulator, emergency generator or seawater battery; Described accumulator and/or described emergency generator are as primary power, and described seawater battery is as accessory power supply, and described seawater battery enters to destroy after primary power at seawater provides electric power to greatest extent, to extend water inlet system working time.
Above-mentioned water inlet system, described water inlet system also comprises the solenoid valve II be connected with described control circuit with described temperature-sensing element; The material selection fusing point of described temperature-sensing element is higher than the releasable maximum temperature of nuclear power station, and prevent temperature-sensing element from melting and lost efficacy, material can be aldary, titanium alloy or nickel alloy;
Described temperature-sensing element is the key element of described control circuit, described temperature-sensing element is in fact a temperature switch, it increases with external temperature and the heat that produces is delivered on its inner sheet metal arranged, reach rapid action when operating temperature sets, use a disconnection or closed by mechanism's effect, and then realize the control to described control circuit on off operating mode;
Described solenoid valve II is connected with cooling medium injection pump, and described control circuit controls the unlatching of described solenoid valve II, and then controls the unlatching of described cooling medium injection pump;
Described cooling medium injection pump is connected with described cooling medium storage tank, and described cooling medium storage tank is used to provide cooling medium boric acid, and boric acid sucks in described caisson by described cooling medium injection pump, is used for absorbing residue neutron and a part of iodine.
Compared with prior art, the present invention has the following advantages:
(1) temperature-sensing element is adopted in the present invention, by the temperature variation under direct feeling nuclear accident operating mode, can fast direct ground connection trigger emergency water inlet system, avoid the drawback that system responses is slow.
(2) in the present invention, power supply has seawater battery, after primary power was lost efficacy under disaster or major accident, can be provided, ensure that the reliability of system by seawater battery.
(3) in the present invention, water intaking valve, by air pressure or hydraulic-driven, is evaded the problem that electric drive may lose efficacy further, is further increased the stability of system cloud gray model.
Accompanying drawing explanation
Fig. 1 is the structural representation being applicable to caisson type marine nuclear power station water inlet system in emergency circumstances in the present invention.
Fig. 2 is the structural representation being applicable to caisson type marine nuclear power station water inlet system in emergency circumstances in the present invention.
In figure, mark is as follows:
1 control circuit, 2 power supplys, 3 temperature-sensing elements, 4 solenoid valve I, 5 water intaking valves drive pipeline, 6 drive sources, 7 water intaking valves, 8 solenoid valve II, 9 cooling medium injection pumps, 10 cooling medium storage tanks.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but the present invention is not limited to following examples.
As shown in Figure 1, for the present invention is applicable to the structural representation of caisson type marine nuclear power station water inlet system in emergency circumstances, it comprises control gear and topworks; Control circuit 1, temperature-sensing element 3 (adopting memorial alloy to make) and solenoid valve I 4 are electrically connected formation control mechanism successively, and solenoid valve I 4 is powered by power supply 2.Temperature-sensing element 3 is key elements of control circuit 1, temperature-sensing element 3 is in fact a temperature switch, it increases with external temperature and the heat that produces is delivered on its inner sheet metal arranged, reach rapid action when operating temperature sets, use a disconnection or closed by mechanism's effect, and then realize the control to control circuit 1 on off operating mode; Temperature-sensing element 3 is for monitoring the temperature of caisson in marine nuclear power station, and when monitoring temperature higher than setting value, temperature-sensing element 3 controls control circuit 1 and is communicated with, and then Controlling solenoid valve I 4 is opened.Water intaking valve 7 connects a drive source 6 by water intaking valve driving pipeline 5 and forms topworks, wherein water intaking valve 7 is located on caisson, solenoid valve I 4 and water intaking valve drive pipeline 5 to be connected, when solenoid valve I 4 is opened, even if water intaking valve drives pipeline 5 to be communicated with, now, under the effect of drive source 6, namely water intaking valve 7 is opened, and seawater just can be injected in caisson and cool from water intaking valve 7.
As shown in Figure 2, in order to improve the cooling-down effect to nuclear power station caisson, reduce contingent nuclear accident to greatest extent, water inlet system of the present invention also arranges the solenoid valve II 8 be connected with control circuit 1 with temperature-sensing element 3, this solenoid valve II 8 is connected with cooling medium injection pump 9, control circuit 1 is communicated with according to the environment temperature that monitors of temperature-sensing element 3, and then the unlatching of control circuit 1 Controlling solenoid valve II 8, the unlatching of further controlled cooling model agent injection pump 9, now the cooling medium in coupled cooling medium storage tank 10 can be injected in caisson by cooling medium injection pump 9.
Use the course of work of water inlet system of the present invention as follows:
Water inlet system as shown in Figure 1, in case of emergency, along with heavy the temperature inside the box be elevated to setting value time, temperature-sensing element 3 action, control circuit 1 is connected (power supply 2 provides electric energy), and now solenoid valve I 4 is opened, even if water intaking valve drives pipeline 5 to be communicated with; Drive source 6 (air pressure or hydraulic drive source) is opened simultaneously, and because drive source 6 maintains working pressure conditions all the time, under the effect of drive source 6, water intaking valve 7 is opened; Caisson type marine nuclear power station is provided with passage and is connected with external environment condition, therefore caisson inside is normal pressure, and after water intaking valve 7 is opened, seawater is entered in caisson by water intaking valve 7 and cools nuclear island under pressure itself, reach the object alleviating reactor accident, to avoid larger loss.If water inlet system of the present invention arranges cooling medium injection part, as shown in Figure 2, while solenoid valve I 4 is opened, solenoid valve II 8 is opened, cooling medium sucks in caisson by cooling medium injection pump 9 by cooling medium storage tank 10, be used for absorbing remaining neutron and a part of iodine, lower contingent nuclear accident to greatest extent.
Claims (4)
1. be applicable to a caisson type marine nuclear power station water inlet system in emergency circumstances, it is characterized in that: it comprises control gear and topworks;
Described control gear comprises temperature-sensing element, control circuit and the solenoid valve I be electrically connected successively; Described temperature-sensing element is for monitoring the temperature in the caisson of caisson type marine nuclear power station, and when the temperature in described caisson is higher than setting value, described temperature-sensing element controls described control circuit and is communicated with, and then controls the unlatching of described solenoid valve I;
Described topworks comprises water intaking valve and drives pipeline and be attached thereto at least one water intaking valve connect, and described water intaking valve is located on described caisson;
Described solenoid valve I and described water intaking valve drive pipeline to be connected, and drive the connection of pipeline for controlling described water intaking valve.
2. water inlet system according to claim 1, is characterized in that: the drive source of described water intaking valve adopts pneumatic actuation source or hydraulic drive source.
3. water inlet system according to claim 1 and 2, is characterized in that: described solenoid valve I is powered by accumulator, emergency generator or seawater battery.
4. the water inlet system according to any one of claim 1-3, is characterized in that: described water inlet system also comprises the solenoid valve II be connected with described control circuit with described temperature-sensing element;
Described solenoid valve II is connected with cooling medium injection pump, and described control circuit controls the unlatching of described solenoid valve II, and then controls the unlatching of described cooling medium injection pump;
Described cooling medium injection pump is connected with described cooling medium storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612844.1A CN104361912B (en) | 2014-11-04 | 2014-11-04 | It is applicable to caisson type marine nuclear power station water inlet system in emergency circumstances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410612844.1A CN104361912B (en) | 2014-11-04 | 2014-11-04 | It is applicable to caisson type marine nuclear power station water inlet system in emergency circumstances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104361912A true CN104361912A (en) | 2015-02-18 |
| CN104361912B CN104361912B (en) | 2016-08-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410612844.1A Active CN104361912B (en) | 2014-11-04 | 2014-11-04 | It is applicable to caisson type marine nuclear power station water inlet system in emergency circumstances |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104361912B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046374A (en) * | 2021-10-28 | 2022-02-15 | 苏州热工研究院有限公司 | A nuclear power supply system and pneumatic solenoid valve based on solenoid valve |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52149589A (en) * | 1976-06-09 | 1977-12-12 | Sladoljev Zelimir | Floating atomic energy device |
| US4102752A (en) * | 1976-07-09 | 1978-07-25 | Rugh Ii John L | Municipal water supply system |
| US4302291A (en) * | 1979-05-03 | 1981-11-24 | Severs Stephen B | Underwater nuclear power plant structure |
| JPH0587962A (en) * | 1991-09-25 | 1993-04-09 | Mitsui Mining & Smelting Co Ltd | Off-shore nuclear power plant and construction, supporting and operation of power plant site and facility thereof |
| JPH06324190A (en) * | 1993-03-17 | 1994-11-25 | Hitachi Ltd | Nuclear power plant water intake facility |
| RU2188466C2 (en) * | 2000-01-11 | 2002-08-27 | Федеральное Государственное Унитарное Предприятие "Санкт-Петербургское Морское Бюро Машиностроения "Малахит" | Floating nuclear power plant |
| JP2010175262A (en) * | 2009-01-27 | 2010-08-12 | Koichiro Mori | Marine mobile type nuclear power plant |
| CN201600931U (en) * | 2010-02-20 | 2010-10-06 | 华北电力大学 | Temperature Sensitive Safety Injection Device for Nuclear Power Plant |
| CN102693764A (en) * | 2011-03-21 | 2012-09-26 | 常州市福驰电动车辆科技有限公司 | Nuclear power station with reactor placed in pit |
| JP2013238539A (en) * | 2012-05-16 | 2013-11-28 | Mitsubishi Heavy Ind Ltd | Relief ship |
| KR20140012817A (en) * | 2012-07-23 | 2014-02-04 | 삼성중공업 주식회사 | Emergency cooling system for nuclear plant in ocean |
| CN103903659A (en) * | 2014-03-28 | 2014-07-02 | 哈尔滨工程大学 | Passive waste heat removal system for floating nuclear power plant |
| CN203826014U (en) * | 2014-05-23 | 2014-09-10 | 中国核动力研究设计院 | Semi-submersible platform floating nuclear power station |
| CN203826013U (en) * | 2014-05-23 | 2014-09-10 | 中国核动力研究设计院 | Waste heat long-term passive exporting system for floating nuclear power station |
| US8867691B1 (en) * | 2011-08-26 | 2014-10-21 | Warren N. Root | Seismic safe nuclear power plant |
| CN204189460U (en) * | 2014-11-04 | 2015-03-04 | 中国海洋石油总公司 | A kind ofly be applicable to caisson type marine nuclear power station water inlet system in emergency circumstances |
-
2014
- 2014-11-04 CN CN201410612844.1A patent/CN104361912B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52149589A (en) * | 1976-06-09 | 1977-12-12 | Sladoljev Zelimir | Floating atomic energy device |
| US4102752A (en) * | 1976-07-09 | 1978-07-25 | Rugh Ii John L | Municipal water supply system |
| US4302291A (en) * | 1979-05-03 | 1981-11-24 | Severs Stephen B | Underwater nuclear power plant structure |
| JPH0587962A (en) * | 1991-09-25 | 1993-04-09 | Mitsui Mining & Smelting Co Ltd | Off-shore nuclear power plant and construction, supporting and operation of power plant site and facility thereof |
| JPH06324190A (en) * | 1993-03-17 | 1994-11-25 | Hitachi Ltd | Nuclear power plant water intake facility |
| RU2188466C2 (en) * | 2000-01-11 | 2002-08-27 | Федеральное Государственное Унитарное Предприятие "Санкт-Петербургское Морское Бюро Машиностроения "Малахит" | Floating nuclear power plant |
| JP2010175262A (en) * | 2009-01-27 | 2010-08-12 | Koichiro Mori | Marine mobile type nuclear power plant |
| CN201600931U (en) * | 2010-02-20 | 2010-10-06 | 华北电力大学 | Temperature Sensitive Safety Injection Device for Nuclear Power Plant |
| CN102693764A (en) * | 2011-03-21 | 2012-09-26 | 常州市福驰电动车辆科技有限公司 | Nuclear power station with reactor placed in pit |
| US8867691B1 (en) * | 2011-08-26 | 2014-10-21 | Warren N. Root | Seismic safe nuclear power plant |
| JP2013238539A (en) * | 2012-05-16 | 2013-11-28 | Mitsubishi Heavy Ind Ltd | Relief ship |
| KR20140012817A (en) * | 2012-07-23 | 2014-02-04 | 삼성중공업 주식회사 | Emergency cooling system for nuclear plant in ocean |
| CN103903659A (en) * | 2014-03-28 | 2014-07-02 | 哈尔滨工程大学 | Passive waste heat removal system for floating nuclear power plant |
| CN203826014U (en) * | 2014-05-23 | 2014-09-10 | 中国核动力研究设计院 | Semi-submersible platform floating nuclear power station |
| CN203826013U (en) * | 2014-05-23 | 2014-09-10 | 中国核动力研究设计院 | Waste heat long-term passive exporting system for floating nuclear power station |
| CN204189460U (en) * | 2014-11-04 | 2015-03-04 | 中国海洋石油总公司 | A kind ofly be applicable to caisson type marine nuclear power station water inlet system in emergency circumstances |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046374A (en) * | 2021-10-28 | 2022-02-15 | 苏州热工研究院有限公司 | A nuclear power supply system and pneumatic solenoid valve based on solenoid valve |
| CN114046374B (en) * | 2021-10-28 | 2024-02-13 | 苏州热工研究院有限公司 | Nuclear power unit power supply system based on electromagnetic valve and pneumatic electromagnetic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104361912B (en) | 2016-08-24 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |
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