CN202102728U - Safety system used for guaranteeing safety of nuclear power plant - Google Patents
Safety system used for guaranteeing safety of nuclear power plant Download PDFInfo
- Publication number
- CN202102728U CN202102728U CN201120142439XU CN201120142439U CN202102728U CN 202102728 U CN202102728 U CN 202102728U CN 201120142439X U CN201120142439X U CN 201120142439XU CN 201120142439 U CN201120142439 U CN 201120142439U CN 202102728 U CN202102728 U CN 202102728U
- Authority
- CN
- China
- Prior art keywords
- water tank
- safety
- cooling water
- security system
- active cooling
- 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 - Lifetime
Links
- 239000000498 cooling water Substances 0.000 claims abstract description 42
- 239000007921 spray Substances 0.000 claims abstract description 29
- 238000001816 cooling Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000003020 moisturizing effect Effects 0.000 claims description 8
- 238000005507 spraying Methods 0.000 abstract description 4
- 230000002285 radioactive effect Effects 0.000 abstract description 3
- 239000000110 cooling liquid Substances 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 19
- 239000007788 liquid Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
Images
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 utility model relates to a safety system used for guaranteeing the safety of a nuclear power plant, which comprises a passive cooling water tank arranged above the outside of a safety shell and a spray device communicated with the passive cooling water tank and arranged at the top of the safety shell for spraying and cooling. Through the spray device arranged at the top of the safety shell, the equipment and the space in the safety shell are sprayed and cooled in case of safety accidents, the heat in the safety shell can be driven away, the pressure of the safety shell is reduced, the pressure of the safety shell is prevented from exceeding the design pressure, and the reliability and the safety of the nuclear power plant are improved. The safety system also comprises a cooling pipe for injecting cooling liquid in the safety shell and the cooling pipe is used for spraying the safety shell, injecting into a steam generator and a reactor core to drive away the heat of the reactor core and injecting into a reactor cavity to drive away the external heat of a pressure vessel and prevent the pressure rise of the safety shell, the damage of the reactor core and the failure of the pressure vessel; in addition, the cooling pipe has the functions of preventing the radioactive release and cooling the safety shell.
Description
Technical field
The utility model relates to the safety equipment of nuclear power station, more particularly, relates to a kind ofly when being used to take place the fracture of loss of-coolant accident (LOCA) (LOCA) or main steam line, guarantees the security system of nuclear plant safety.
Background technology
Improve constantly the construction of the nuclear power station important energy source guarantee that becomes national development gradually along with the security of the ripe nuclear power station of technology.
In the present nuclear power station, the structure of nuclear reactor is: in containment, form reactor cavity, in the heap chamber, reactor core (pressure vessel) is set, pressure vessel connects steam generator.In order to guarantee the safety of nuclear reactor, multiple safety injection system need be set, when loss of-coolant accident (LOCA) (LOCA) takes place, for injection liquid coolants such as the heap chamber in the containment, reactor core, steam generator are cooled off.If when in nuclear reactor generation loss of-coolant accident (LOCA) (LOCA), losing power supply, the special-purpose MP that adopt active injection mode can not inject cooling medium to reactor core because losing power supply and can not guarantee the safety of reactor fuel element; Adopt the special-purpose MP of non-active injection mode to inject the safety that cooling medium guarantees reactor core with non-active mode, therefore, the special-purpose MP that adopt non-active injection mode are important directions of current nuclear power developing.Existing safety injection system is arranged on containment inside mostly, is unfavorable for routine inspection, and, when having an accident, be difficult to get into containment inside, the emergency processing difficulty.
The utility model content
The technical matters that the utility model will solve is, the security system of a kind of assurance nuclear power station (reactor core and containment) safety is provided.
The utility model solves the technical scheme that its technical matters adopted: a kind of security system that is used to guarantee nuclear plant safety is provided; Comprise containment, said security system also comprises non-active cooling water tank that is arranged on top, said containment outside and the spray equipment that sprays cooling that is arranged on said containment inner top, is communicated with said non-active cooling water tank.
In the security system of the utility model, said spray equipment comprises the shower that is communicated with said non-active cooling water tank, be arranged on the spray piping that said containment inner top is communicated with said shower and be arranged on the spray valve on the said shower.
In the security system of the utility model, be provided with reactor core in the said containment, and be communicated with said non-active cooling water tank, inject the safety injection system of chilled water to said reactor core.
In the security system of the utility model, said safety injection system comprises the peace notes valve that the peace that is communicated with said non-active cooling water tank and said reactor core is annotated pipeline and on said peace notes pipeline, is provided with.
In the security system of the utility model, be provided with reactor cavity in the said containment, and be communicated with said non-active cooling water tank, inject the heap chamber water filling system of chilled water to said reactor cavity.
In the security system of the utility model, said heap chamber water filling system comprises the said non-active cooling water tank of connection and the water-filled pipe of said reactor cavity and the water-filling valve that on said heap lumen road, is provided with.
In the security system of the utility model, be provided with the steam generator that is communicated with said reactor core in the said containment, and be communicated with said non-active cooling water tank, inject the waterflood system of chilled water to said steam generator.
In the security system of the utility model, the waterflood system of said steam generator comprises the said non-active cooling water tank of connection and the filling pipe of said steam generator and the Water filling valve that on said filling pipe, is provided with.
In the security system of the utility model, said non-active cooling water tank is cylindrical water tank, is made up of one or more independent water tanks.
In the security system of the utility model, moisturizing pipeline and moisturizing water source that said security system also is provided with outside said containment and is provided with, is communicated with said non-active cooling water tank.
Enforcement the utlity model has following beneficial effect: the non-active cooling water tank that above the containment outside, is provided with; Except can be used as container spray, steam in jection generator and reactor core take away the reactor core heat and inject the heap chamber take away pressure vessel heat with prevention containment pressure raise, reactor core damages and the pressure vessel inefficacy outside; The function that also has radioactive release of prevention and cooling containment, the reliability and the security that have improved nuclear power station greatly.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the structural representation of security system that is used to guarantee nuclear plant safety of the utility model;
Fig. 2 is the synoptic diagram of non-active cooling water tank of security system that is used to guarantee nuclear plant safety of the utility model;
Fig. 3 is the spray equipment work synoptic diagram of security system that is used to guarantee nuclear plant safety of the utility model;
Fig. 4 is the waterflood system work synoptic diagram of security system steam generator that is used to guarantee nuclear plant safety of the utility model;
Fig. 5 is the safety injection system work synoptic diagram of security system reactor core that is used to guarantee nuclear plant safety of the utility model;
Fig. 6 is the water filling system work synoptic diagram in security system heap chamber that is used to guarantee nuclear plant safety of the utility model.
Embodiment
As shown in Figure 1, be the nuclear plant safety system implementation example of the utility model, can heat be taken out of in the state of accident, and have the function of radioactive release of prevention and cooling containment, the reliability and the security that have improved nuclear power station greatly.
This security system comprises containment, be arranged on steam generator 30, reactor core 40 and reactor cavity 50 etc. in the containment, also comprises in some connecting lines, other the containment equipment etc. certainly, do not give unnecessary details at this.
This security system also comprises the non-active cooling water tank 20 that is arranged on top, containment outside, and non-active cooling water tank 20 is full of liquid coolant.In addition, this containment also is provided with moisturizing pipeline and the moisturizing water source that is communicated with non-active cooling water tank 20 outward.After the liquid coolant of non-active cooling water tank 20 is discharged, be that non-active cooling water tank 20 replenishes liquid coolant through moisturizing water source and moisturizing pipeline, keep non-active cooling water tank 20 interior water to remain and be full of.
Further, this non-active cooling water tank 20 is cylindrical water tank, is made up of one or more independent water tanks, also can use dividing plate to be separated into two groups of zones or more a plurality of zones as required, and is as shown in Figure 2.
Be provided with non-active cooling water tank 20 cooling line that is communicated with, in containment, injects liquid coolant in the containment of this security system.In the present embodiment, this cooling line water filling system of being included in spray equipment that containment top sprays, injecting the steam generator waterflood system of liquid coolants, inject the safety injection system of liquid coolants and inject liquid coolants for reactor cavity 50 for reactor core 40 for steam generator 30.Understandable, these pipelines can be selected a part wherein as required, perhaps cooperate some safety line of containment to make up use.
As shown in Figure 3, this spray equipment comprises the shower 21 that passes containment top exterior wall 13 and non-active cooling water tank 20 connections, the spray valve 23 that is arranged on the spray piping 22 of containment inner top and on shower 21, is provided with.This spray piping 22 is communicated with the access liquid coolant with shower 21, can make circular spray tube road 22, and on spray piping 22, nozzle is set, and sprays uniformly.Understandable, this spray piping 22 can be arranged to different shape as required, and is for example latticed etc.
Having an accident when carrying out spraying cooling in need be to containment; Spray valve 23 is opened, and under heavy (pressure) power effect, liquid coolant gets into spray piping 22 through shower 21; Carry out spraying cooling by spray piping 22 to containment inside, the shell of the equipment of containment inside is lowered the temperature.
As shown in Figure 4, the waterflood system of this steam generator 30 comprises filling pipe 31 that is communicated with non-active cooling water tank 20 and the Water filling valve 32 that on filling pipe 31, is provided with.Having an accident to cool off steam generator 30 time; Open Water filling valve 32; Liquid coolant in the non-active cooling water tank 20 is injected into steam generator 30 inside through filling pipe 31, thereby steam generator 30 is cooled off under heavy (pressure) power effect.
Understandable, this valve 32 can be set to two groups of Water filling valves 32 of parallel connection, improves reliability.
As shown in Figure 5, the safety injection system of the reactor core 40 of this security system comprises the peace notes valve 42 that the peace that is communicated with non-active cooling water tank 20 is annotated pipeline 41 and on peace notes pipeline 41, is provided with.Having an accident need cool off reactor core 40 time, opening peace and annotate valve 42, the liquid coolant in the non-active cooling water tank 20 is injected in the reactor core 40 through peace notes pipeline 41 under heavy (pressures) power effect, and reactor core 40 inside are cooled.
Understandable, this peace is annotated two groups of peace notes valves 42 that valve 42 can be set to parallel connection, improves reliability.
As shown in Figure 6, the water filling system of the reactor cavity 50 of this security system comprises water-filled pipe 51 that is communicated with non-active cooling water tank 20 and the water-filling valve 52 that on water-filled pipe 51, is provided with.In that have an accident need be to heap chamber 50 cool off the time; Open water-filling valve 52; Liquid coolant in the non-active cooling water tank in water-filled pipe is injected into heap chamber 50, utilizes liquid coolant that reactor core 40 shells in the heap chamber 50 are cooled off under heavy (pressure) power effect; Take away reactor core 40 shell heats, thereby reduce the temperature of reactor core 40.
Understandable, this water-filling valve 52 can be set to two groups of water-filling valves 52 of parallel connection, improves reliability.
Above-mentioned valve can adopt explosive valve, motorized valve or other valves; And can control by control system as required and open or close; Under different accident conditionses, connect different pipelines, realize reasonable, effectively cooling to equipment in the containment.
Described above be merely preferred embodiment of the present invention; Certainly can not limit the present invention's interest field with this; Therefore the equivalent variations of doing according to claim of the present invention; Still belong to the scope that the present invention is contained; For example: connect spray annotate pipeline that (giving) water pipe 21, steam generator annotate (giving) waterpipe 31, reactor core filling pipe 41 and pile chamber water-filled pipe 51 at first from the bottom of non-active cooling water tank from inside to outside through passing containment exterior wall 11; Pass the containment exterior wall from top to bottom once more respectively and get in the containment, be connected with these pipelines respectively, realize its container spray, steam generator notes (giving) water, reactor core water filling and heap chamber water-filling function).
Claims (10)
1. security system that is used to guarantee nuclear plant safety; Comprise containment; It is characterized in that said security system also comprises non-active cooling water tank that is arranged on top, said containment outside and the spray equipment that sprays cooling that is arranged on said containment inner top, is communicated with said non-active cooling water tank.
2. the security system that is used to guarantee nuclear plant safety according to claim 1; It is characterized in that said spray equipment comprises the shower that is communicated with said non-active cooling water tank, be arranged on the spray piping that said containment inner top is communicated with said shower and be arranged on the spray valve on the said shower.
3. the security system that is used to guarantee nuclear plant safety according to claim 1 is characterized in that, is provided with reactor core in the said containment, and is communicated with said non-active cooling water tank, injects the safety injection system of chilled water to said reactor core.
4. the security system that is used to guarantee nuclear plant safety according to claim 3; It is characterized in that said safety injection system comprises the peace notes valve that the peace that is communicated with said non-active cooling water tank and said reactor core is annotated pipeline and on said peace notes pipeline, is provided with.
5. the security system that is used to guarantee nuclear plant safety according to claim 1; It is characterized in that; Be provided with reactor cavity in the said containment, and be communicated with said non-active cooling water tank, inject the heap chamber water filling system of chilled water to said reactor cavity.
6. the security system that is used to guarantee nuclear plant safety according to claim 5; It is characterized in that said heap chamber water filling system comprises the said non-active cooling water tank of connection and the water-filled pipe of said reactor cavity and the water-filling valve that on said heap lumen road, is provided with.
7. the security system that is used to guarantee nuclear plant safety according to claim 1; It is characterized in that; Be provided with the steam generator that is communicated with said reactor core in the said containment, and be communicated with said non-active cooling water tank, inject the waterflood system of chilled water to said steam generator.
8. the security system that is used to guarantee nuclear plant safety according to claim 7; It is characterized in that the waterflood system of said steam generator comprises the said non-active cooling water tank of connection and the filling pipe of said steam generator and the Water filling valve that on said filling pipe, is provided with.
9. according to each described security system that is used to guarantee nuclear plant safety of claim 1-8, it is characterized in that said non-active cooling water tank is cylindrical water tank, is made up of one or more independent water tanks.
10. according to each described security system that is used to guarantee nuclear plant safety of claim 1-8, it is characterized in that moisturizing pipeline and moisturizing water source that said security system also is provided with outside said containment and is provided with, is communicated with said non-active cooling water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120142439XU CN202102728U (en) | 2011-05-06 | 2011-05-06 | Safety system used for guaranteeing safety of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120142439XU CN202102728U (en) | 2011-05-06 | 2011-05-06 | Safety system used for guaranteeing safety of nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202102728U true CN202102728U (en) | 2012-01-04 |
Family
ID=45388732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120142439XU Expired - Lifetime CN202102728U (en) | 2011-05-06 | 2011-05-06 | Safety system used for guaranteeing safety of nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202102728U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103106934A (en) * | 2013-01-28 | 2013-05-15 | 清华大学 | Passive external cooling system of containment vessel |
| CN103377729A (en) * | 2012-04-27 | 2013-10-30 | 上海核工程研究设计院 | Complete passive cooling system for post-accident reactor cores of large PWR (pressurized water reactor) nuclear power plants |
| CN103400609A (en) * | 2013-08-12 | 2013-11-20 | 厦门大学 | Passive containment cooling system |
| CN103489489A (en) * | 2012-06-13 | 2014-01-01 | 中国核动力研究设计院 | Passive containment spraying-submerged cooling system |
| CN103761994A (en) * | 2014-01-03 | 2014-04-30 | 上海交通大学 | Spent fuel tank passive after-heat removing system based on water cooling heat pipes |
| CN103778975A (en) * | 2012-10-22 | 2014-05-07 | 中国核动力研究设计院 | Passive reactor core water-supplement system of pressure vessel and passive reactor core water-supplement method using the same |
| CN104143361A (en) * | 2013-05-09 | 2014-11-12 | 韩国原子力研究院 | Passive containment spray system |
| CN105405479A (en) * | 2015-11-06 | 2016-03-16 | 中广核工程有限公司 | Comprehensive passive safety system for pressurized water reactor nuclear plant |
| CN105427910A (en) * | 2015-12-28 | 2016-03-23 | 中国核动力研究设计院 | Integrated cooling water source system based on mountain deep embedded nuclear power station |
| CN105654996A (en) * | 2014-12-01 | 2016-06-08 | 上海核工程研究设计院 | Safe bunker structure of reactor |
| CN105845187A (en) * | 2016-05-18 | 2016-08-10 | 中广核研究院有限公司 | Severe nuclear power plant accident mitigating system |
| CN113856936A (en) * | 2021-08-17 | 2021-12-31 | 中国核电工程有限公司 | Passive automatic spray control device for containment |
| CN113856937A (en) * | 2021-08-17 | 2021-12-31 | 中国核电工程有限公司 | Pressure control device and passive automatic spraying control device for containment |
-
2011
- 2011-05-06 CN CN201120142439XU patent/CN202102728U/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2515594A (en) * | 2012-04-27 | 2014-12-31 | Shanghai Nuclear Eng Res & Des | Completely passive cooling system for post-incident reactor core of large-scale pressurized water reactor nuclear power plant |
| CN103377729A (en) * | 2012-04-27 | 2013-10-30 | 上海核工程研究设计院 | Complete passive cooling system for post-accident reactor cores of large PWR (pressurized water reactor) nuclear power plants |
| WO2013159443A1 (en) * | 2012-04-27 | 2013-10-31 | 上海核工程研究设计院 | Completely passive cooling system for post-incident reactor core of large-scale pressurized water reactor nuclear power plant |
| GB2515594B (en) * | 2012-04-27 | 2017-10-11 | Shanghai Nuclear Eng Res & Des | Completely passive cooling system for reactor core after accident of a of large-scale pressurized water reactor nuclear power plant |
| US9570204B2 (en) | 2012-04-27 | 2017-02-14 | Shanghai Nuclear Engineering Research & Design Institute | Completely passive cooling system for reactor core after accident of large-scale pressurized water reactor nuclear power plant |
| CN103489489A (en) * | 2012-06-13 | 2014-01-01 | 中国核动力研究设计院 | Passive containment spraying-submerged cooling system |
| CN103778975A (en) * | 2012-10-22 | 2014-05-07 | 中国核动力研究设计院 | Passive reactor core water-supplement system of pressure vessel and passive reactor core water-supplement method using the same |
| CN103106934B (en) * | 2013-01-28 | 2015-08-12 | 清华大学 | A kind of passive containment external refrigeration system |
| CN103106934A (en) * | 2013-01-28 | 2013-05-15 | 清华大学 | Passive external cooling system of containment vessel |
| CN104143361A (en) * | 2013-05-09 | 2014-11-12 | 韩国原子力研究院 | Passive containment spray system |
| US10319481B2 (en) | 2013-05-09 | 2019-06-11 | Korea Atomic Energy Research Institute | Passive containment spray system |
| CN104143361B (en) * | 2013-05-09 | 2018-03-27 | 韩国原子力研究院 | Passive containment spray system |
| CN103400609A (en) * | 2013-08-12 | 2013-11-20 | 厦门大学 | Passive containment cooling system |
| CN103761994A (en) * | 2014-01-03 | 2014-04-30 | 上海交通大学 | Spent fuel tank passive after-heat removing system based on water cooling heat pipes |
| CN105654996A (en) * | 2014-12-01 | 2016-06-08 | 上海核工程研究设计院 | Safe bunker structure of reactor |
| CN105405479A (en) * | 2015-11-06 | 2016-03-16 | 中广核工程有限公司 | Comprehensive passive safety system for pressurized water reactor nuclear plant |
| CN105427910A (en) * | 2015-12-28 | 2016-03-23 | 中国核动力研究设计院 | Integrated cooling water source system based on mountain deep embedded nuclear power station |
| CN105427910B (en) * | 2015-12-28 | 2018-07-06 | 中国核动力研究设计院 | A kind of integrated cooling water source system based on massif deep embeded type nuclear power station |
| CN105845187A (en) * | 2016-05-18 | 2016-08-10 | 中广核研究院有限公司 | Severe nuclear power plant accident mitigating system |
| CN113856936A (en) * | 2021-08-17 | 2021-12-31 | 中国核电工程有限公司 | Passive automatic spray control device for containment |
| CN113856937A (en) * | 2021-08-17 | 2021-12-31 | 中国核电工程有限公司 | Pressure control device and passive automatic spraying control device for containment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202102728U (en) | Safety system used for guaranteeing safety of nuclear power plant | |
| CN102194533B (en) | Reactor safety system | |
| CN201689688U (en) | System for cooling reactor core, filling water in reactor cavity and guiding out heat of containment | |
| CN102169733B (en) | Passive and active combined special safety system for nuclear power plant | |
| CN102163469B (en) | Nuclear power station non-active engineering safety system | |
| CN202855316U (en) | Containment cooling system for PWR (pressurized water reactor) nuclear power plant | |
| CN201788707U (en) | Safety system for ensuring safety of nuclear power station | |
| CN104361914A (en) | Passive safe cooling system | |
| CN201698776U (en) | Continuous-operation safety injection and spray system for nuclear power station | |
| CN103632736B (en) | A kind of nuclear power station Reactor cavity flooding cooling system | |
| CN202948738U (en) | Kinetic and non-kinetic combined waste heat discharging system | |
| GB2520455A (en) | Secondary-side passive residual heat discharge system for nuclear power plant steam generator | |
| WO2014090106A1 (en) | High-pressure safe injection system for nuclear power stations | |
| CN103903657B (en) | The non-active ultimate heat sink cooling system of nuclear power plant and method | |
| CN104021824B (en) | In-pile melts retention system after nuclear power station accident | |
| CN204242601U (en) | Non-passive safety cooling system | |
| CN110097982B (en) | Safe injection and waste heat discharge system of nuclear power plant | |
| WO2014048290A1 (en) | Combined active and passive reactor cavity water injection cooling system | |
| CN103778976A (en) | Passive waste heat discharging system on secondary side of steam generator | |
| CN203366760U (en) | Reactor cavity water-injection system of nuclear power station | |
| CN202887747U (en) | Combined active and passive reactor cavity water injecting and cooling system | |
| CN104464846A (en) | Passive high-order emergency cooling water supply system for nuclear power plant | |
| CN107093473B (en) | A kind of used by nuclear reactor residual heat removal system | |
| KR101463441B1 (en) | High concentration boron injection system and safety injection system having the same | |
| CN108281204A (en) | A kind of small-sized heap peace note recirculating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Patentee after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Patentee after: China General Nuclear Power Corporation Address before: 518000 Guangdong, Futian District, Yitian Road, building A, block, building on the whole floor of A1301-1320 13 Patentee before: Zhongkehua Nuclear Power Technology Institute Co., Ltd. Patentee before: China Guangdong Nuclear Power Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120104 |
|
| CX01 | Expiry of patent term |