CN107833642A - Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank - Google Patents
Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank Download PDFInfo
- Publication number
- CN107833642A CN107833642A CN201710932983.6A CN201710932983A CN107833642A CN 107833642 A CN107833642 A CN 107833642A CN 201710932983 A CN201710932983 A CN 201710932983A CN 107833642 A CN107833642 A CN 107833642A
- Authority
- CN
- China
- Prior art keywords
- water tank
- heat
- water
- steam
- heat exchanger
- 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.)
- Pending
Links
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
-
- 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 kind of heat exchanger to be located at marine PWR Passive residual heat removal system outside water tank, it is related to nuclear reactor safety facility field, it includes reactor pressure vessel, containment and at least one heat extraction subsystem, and the heat extraction subsystem includes steam generator, condenser and water tank and Main Coolant pipeline, steam pipework, condensate line and chilled(cooling) water return (CWR)；Steam generator includes steam generation part and heat exchanging part.Waste heat after accident in reactor is discharged by the chilled(cooling) water return (CWR) between the steam pipework and condensate line, condenser and water tank between reactor pressure vessel and the Main Coolant pipeline of heat exchanging part, steam generation part and condenser.The present invention obtains the passive flowing of heat transfer medium in the system using equipment potential difference and Media density official post, reaches the purpose of the passive discharge waste heat of safety.
Description
Technical field
The present invention relates to nuclear reactor safety facility field, and in particular to a kind of heat exchanger is located at the outer marine PWR of water tank
Passive residual heat removal system.
Background technology
With the development to society, people have been no longer satisfied with the development of resources of land, have started marine resources
Exploitation.But the exploitation of marine resource, the exploitation on island, personnel are lived, enhancement of environment all demands endlessly energy resource supply.
The ship of small-sized presurized water reactor is carried as deepwater emerging energy carrier, exploitation that can be for offshore oil and island
Small island exploitation provides energy resource supply.Except sea fixed point energy supply, it can be used for large power ship energy supply and desalinization is supplied water,
It is great to the development significance of marine resources.With it, gradually input application, people also increasingly pay attention to the peace in its performance indications
Quan Xing.
Land nuclear power station uses active residual heat removal system, and it is for marine environment, it is desirable to metastable ring
Border, possess the main pipeline of superior performance, it discharges waste heat or the energy of accident afterheat comes from other land functional facilities, the energy
The dosage limitation in source is few, and species is more.
Marine environment is relatively severe with respect to terrestrial environment and marine heat-extraction system is isolated so that and stand-by power source limitation is more,
Species is few, therefore after full ship dead electricity (exhausted comprising Emergency power source, fail etc.) accident occurs, its main pump is stopped transport, reaction
Core pressure vessel coolant flow speed declines, the bulk deposition in reactor pressure vessel coolant system of heat caused by reactor core,
Presurized water reactor temperature is caused to raise.When temperature reaches presurized water reactor bearing temperature limiting value, accident will occur.Therefore one need be developed
Residual heat removal system of the kind suitable for the marine PWR of marine environment.
The content of the invention
For defect present in prior art, it is located at it is an object of the invention to provide a kind of heat exchanger peculiar to vessel outside water tank
Presurized water reactor Passive residual heat removal system, by setting the waste heat in heat exchanger and the passive discharge presurized water reactor of water tank,
Improve and carry the security performance of Small reactor ship and simple in construction, be easy to repair and safeguard.
To achieve the above objectives, the present invention adopts the technical scheme that：
A kind of heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank, it is characterised in that its
Including：
Reactor pressure vessel；
Containment, the reactor pressure vessel is in the containment；
At least one heat extraction subsystem, it includes：
- the steam generator in containment, it includes heat exchanging part and steam generation part, and the steam generation
Partial interior divides cavity to be formed filled with condensed water, the heat exchanging part and the reactor pressure vessel by Main Coolant pipeline
Recuperated cycle, the Main Coolant pipeline is interior to be filled with Main Coolant, and the heat exchanging part is located above reactor pressure vessel；
- and condenser in board outer located at containment, it includes steam inlet, condensation-water drain, the steam inlet
The region for being not filled by condensed water with the steam generation part by steam pipework is connected, and the condensation-water drain passes through condensate
Pipeline and the vapor generation part split-phase UNICOM, the condenser are located above steam generation part；Meanwhile
- the water tank in ship and outside containment, it is dropped with condenser by chilled(cooling) water return (CWR) cycle heat exchange
The temperature of low condenser.
On the basis of above-mentioned technical proposal, the heat exchanging part includes Part I and Part II, the main cooling
Agent pipeline includes Main Coolant heat pipe section and the Main Coolant cold leg being connected respectively with the Part I with Part II.
On the basis of above-mentioned technical proposal, the chilled(cooling) water return (CWR) includes pipe line and cold pipeline, the pipe line, cold
Pipeline one end is connected with condenser, and the other end connects with water tank.
On the basis of above-mentioned technical proposal, baffle plate is provided with the water tank, the water tank is divided into first by the baffle plate
Part and Part II, and the Part I connects with upper and lower side of the Part II in the baffle plate, and the pipe line
Water tank water inlet towards the baffle plate.
On the basis of above-mentioned technical proposal, the water tank upper opening is simultaneously provided with dehydrating unit in opening.
On the basis of above-mentioned technical proposal, the condensate line end is provided with check-valves.
On the basis of above-mentioned technical proposal, the steam pipework and condensate line are equipped with isolating valve.
On the basis of above-mentioned technical proposal, the isolating valve can be opened and closed by remote information.
On the basis of above-mentioned technical proposal, the pipe line and cold pipeline are equipped with isolating valve.
Compared with prior art, the advantage of the invention is that：
(1) a kind of heat exchanger of the present invention is located at the outer marine PWR Passive residual heat removal system of water tank and avoided
Primary side sets standby heat-extraction system, it is not necessary to the perforate on main pipeline, the increase of pipe stress is avoided, so as to reduce master
Cooling agent disclosure risk, while alleviate anxiety problem in space in containment；
(2) a kind of heat exchanger of the present invention is located at the outer marine PWR Passive residual heat removal system of water tank by setting
Standby potential difference and Media density official post obtain the passive circulation of medium in the system, and the waste heat overstock in reactor is able to follow Jie
Matter is discharged.
(3) a kind of heat exchanger of the present invention is located at cold in the outer marine PWR Passive residual heat removal system of water tank
Condenser structural shape is vertical single tube pass heat exchanger, and shell-side is without flow-stopping plate, and simple in construction, external resistance is smaller in heat exchanger tube.
(4) a kind of heat exchanger of the present invention is located in the outer marine PWR Passive residual heat removal system of water tank and set
After water tank, the system operation is not influenceed by draft, can be used for most of surface vessel.
(5) a kind of heat exchanger of the present invention is located at water tank in the outer marine PWR Passive residual heat removal system of water tank
There is provided baffle plate and opening, baffle plate accelerates the circulation of Water in Water Tanks, slow down thermally stratified layer inside water tank indirectly, and water tank can absorb
More heats；Water in water tank is enabled heat more directly to discharge into the atmosphere by opening with air connection.
(6) a kind of heat exchanger of the present invention is located at water tank in the outer marine PWR Passive residual heat removal system of water tank
There is provided opening, and increase and be open and dehydrating unit is set, it can avoid steam from taking away aqueous water source, reduce constantly to water
Case adds the demand of water
Brief description of the drawings
Fig. 1 is the knot that a kind of heat exchanger of the present invention is located at the outer marine PWR Passive residual heat removal system of water tank
Structure schematic diagram.
In figure：1- reactor pressure vessels, 11- Main Coolant heat pipe sections, 12- Main Coolant cold legs, 2- steam generations
Device, 20- heat exchanging parts, 21- steam generations part, 22- condensed waters, 23- steam pipeworks, 24- condensate lines, 25- steam (vapor) outlets,
26- condensing water inlets, 27- steam inlets, 28- condensation-water drains, 3- condensers, 31- pipe lines, the cold pipelines of 32-, 4- water tanks,
41- baffle plates, 42- openings, 43- Part I, 44- Part II, 51- magnetic valves, 52- hand-operated valves, 53- check-valves, 54- isolation
Valve, 55- control valves, 56- steam valves, 57- water-supply valves, 6- containments.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, the embodiment of the present invention provides a kind of heat exchanger and is located at the non-energy of the outer marine PWR secondary side of water tank
Dynamic residual heat removal system, it includes reactor pressure vessel 1 and at least one heat extraction subsystem.Heat extraction subsystem is included located at peace
Steam generator 2 in full shell 6 and condenser 3 and water tank 4 outside ship inner containment 6.
Steam generator 2 includes heat exchanging part 20 and steam generation part 21, its heat exchanging part 20 and above-mentioned reactor
Pressure vessel 1 forms recuperated cycle by Main Coolant pipeline, and heat exchanging part 20 is located at the top of reactor pressure vessel 1：Change
Part I and Part II are contained in hot part 20, and Main Coolant pipeline contains Main Coolant heat pipe section 11 and the cold pipe of Main Coolant
One end of section 12, Main Coolant heat pipe section 11 and Main Coolant cold leg 12 is respectively the same as the Part I of heat exchanging part 20 and second
Part is connected, and the other end is connected with reactor pressure vessel 1；After accident generation, waste heat is accumulated in reactor pressure vessel 1,
Heat Main Coolant.Main Coolant declines so as to float because endothermic temperature rises density, and heat exchanging part 20 is located at reactor pressure
The top of container 1, heat exchanging part 20 is flow to along Main Coolant heat pipe section 11 with the Main Coolant of accumulation waste heat, in heat exchanging part
After dividing 20 to transfer heat to steam generation part 21, Main Coolant release thermal temperature declines density increase and sunk, along master
Cooling agent cold leg 12 returns to reactor pressure vessel 1.
Steam generation part 21 and condenser 3 form recuperated cycle, condenser 3 by steam pipework 23, condensate line 24
The preferred vertical single tube pass heat exchanger of structure, its is simple in construction, and interior external resistance is small.Condenser 3 includes steam inlet 27 and condensation
Steam (vapor) outlet 25 and condensing water inlet 26, steam inlet 27 and the steam generation are contained in water out 28, steam generation part 21
The region that condensed water 22 is not filled by part 21 is connected by steam pipework 23, and the communicating position is steam (vapor) outlet 25；Condensation
Water out 28 is connected by condensate line 24 and the steam generation part 21, and the position is condensing water inlet 26.Work as accident
After generation, after the heat that Main Coolant carries in the condensate absorption heat-exchange part 20 in steam generation part 21, steam is converted into
Rise, because condenser 3 is located at the top of steam generation part 21, steam enters condensation along steam pipework 23 through containment 6
Device 3, steam release converting heat is that condensed water 22 returns to steam hair along condensate line 24 through containment 6 in condenser 3
First portion 21.
Chilled(cooling) water return (CWR) is circulated between condenser 3 and water tank 4, including pipe line 31 and cold pipeline 32, the He of pipe line 31
One end of cold pipeline 32 is connected with condenser 3, and the other end is connected with water tank 4.After accident occurs, steam converts in condenser 3
For condensed water 22, the water that its liberated heat is cooled in water loop absorbs, the water of chilled(cooling) water return (CWR) floated because density declines from
Pipe line 31 is flowed into water tank 4, drives the water in water tank 4 to enter condenser 3 from cold pipeline 32.
In presurized water reactor nuclear power unit normal operation, it is secondary that a kind of heat exchanger of the present invention is located at the outer marine PWR of water tank
Side Heat Discharging System of Chinese is in stand-by state：It is provided with magnetic valve 51 on steam pipework 23 and condensate line 24, and by
The power system power supply of presurized water reactor nuclear power unit, the magnetic valve 51 in power supply state are closed mode.Presurized water reactor nuclear power
After full ship dead electricity occurs for ship, Emergency power source exhausts or failed, power supply of the magnetic valve 51 because losing power system is opened, the present invention one
Kind heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank and opened.On magnetic valve 51 preferably and jointly
Dynamic valve 52, need to manually boot a kind of heat exchanger of the present invention when other accidents occur for system to be located at marine PWR outside water tank secondary
During the Heat Discharging System of Chinese of side, manually it can open valve 52.Hand-operated valve 52 and magnetic valve 51 only need because being arranged in parallel
Hand-operated valve 52 and any the system of opening of magnetic valve 51 is wanted to run.
The hand-operated valve 52 and magnetic valve 51 being arranged in parallel are preferably disposed on condensate line 24.If what is be arranged in parallel is manual
Valve 52 and magnetic valve 51 are arranged at steam pipework 23, and condensed water 22 will enter steam generation part 21, and it is cold that condensed water 22 absorbs master
But the heat of the Main Coolant of agent endothermic section, it is that steam enters steam pipework 23 and hindered by valve that condensed water 22, which continues endothermic disintergration,
Only, steam accumulation causes that the system internal pressure will be caused excessive in steam pipework 23, causes potential safety hazard；It is arranged in parallel
Hand-operated valve 52 and magnetic valve 51, which are arranged on condensate line 24, can prevent condensed water 22 from entering steam generation part 21, reduce peace
Full hidden danger.
The end of condensate line 24 is preferably provided with check-valves 53, and condensed water 22 absorbs heat and is converted to vapor generation part after steam
Divide the rising of 21 internal pressures, condensed water 22 and steam because check-valves 53 countercurrently can not enter condenser 3 from condensate line 24,
Prevent condensate line 24 from being damaged due to adverse current.
Steam pipework 23 and condensate line 24 are preferably respectively provided with isolating valve 54, pipe line 31 that chilled(cooling) water return (CWR) includes and cold
Pipeline 32 is preferably respectively provided with control valve 55：Pipeline or equipment in this marine PWR secondary side passive residual heat removal system
During generation leakage accident, contaminated material can be isolated by closing isolating valve 54 or control valve 55.After accident generation,
Position where above-mentioned isolating valve 54 or control valve 55 may be not suitable for personnel and enter or isolating valve 54 be operated, every
It can preferably be opened and closed from valve 54 and control valve 55 by remote operation, further, isolating valve 54 preferably uses motor-driven valve,
Control valve 55 preferably uses ball valve.
Part in steam pipework 23 in containment 6 is preferably provided with steam valve 56, when the excessive build-up of pressure mistake of steam
Some vapor can be released by steam valve 56 when big and reduce pressure.Part in condensate line 24 in containment 6 is preferred
Set water-supply valve 57, water-supply valve 57 by release or input condensed water 22 control condensate line 24 in condensed water 22 number.
It is preferably provided with baffle plate 41 in water tank 4, the moisture in water tank 4 is segmented into the Part I that upper and lower side is connected by baffle plate 41
43 and Part II 44.Baffle plate setting is in pipe line in the water inlet direction of water tank：Heated water enters water from pipe line 31
Case 4 will be stopped by baffle plate 41, so as to form the Part I 43 and Part II 44 that cold and hot temperature is different, density is different, lead
Cause the 44 mutual convection current of Part I 43 and Part II so that bulk temperature is more uniform, accelerates the biography of the internal flow of water tank 4
Heat, i.e., absorb faster by it is each circulation be conducted through come waste heat.When hull waves and drives water tank 4 to wave, baffle plate 41
The kinetic energy of the reclaimed water of water tank 4 can also be absorbed, reduces the shaking degree of water, so as to reduce pipe line and cold pipeline connecing on water tank
Mouth, which is exposed in air, causes condenser 3 to suck the risk of air.Water tank 4 is preferably provided with opening 42 so that the water in water tank 4 is sudden and violent
It is exposed in air, can be distributed heat into air by evaporating the water in water tank 4.Further, aperture position is increased simultaneously
Dehydrating unit is set, reduces the loss of Water in Water Tanks point, reduces the demand to water tank addition water.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (9)
1. a kind of heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank, it is characterised in that it is wrapped
Include：
Reactor pressure vessel (1)；
Containment (6), the reactor pressure vessel (1) is in the containment (6)；
At least one heat extraction subsystem, it includes：
- the steam generator (2) in containment (6), it includes heat exchanging part (20) and steam generation part (21), and institute
Steam generation part (21) inside points cavity is stated filled with condensed water (22), the heat exchanging part (20) and the reactor pressure to hold
Device (1) forms recuperated cycle by Main Coolant pipeline, and Main Coolant, the heat exchanging part are filled with the Main Coolant pipeline
(20) are divided to be located above reactor pressure vessel (1)；
- condenser (3) of containment (6) outside and in board is located at, it includes steam inlet (27), condensation-water drain (28), institute
State the region phase that steam inlet (27) is not filled by condensed water (22) by steam pipework (23) with the steam generation part (21)
UNICOM, the condensation-water drain (28) are connected by condensate line (24) and the steam generation part (21), the condensation
Device (3) is located above steam generation part (21)；Meanwhile
- be located in ship and be located at the water tank (4) of containment (6) outside, its same condenser (3) passes through chilled(cooling) water return (CWR) cycle heat exchange
To reduce the temperature of condenser (3).
2. a kind of heat exchanger as claimed in claim 1 is located at the outer marine PWR secondary side passive residual heat removal system of water tank
System, it is characterised in that：The heat exchanging part (20) includes Part I and Part II, and the Main Coolant pipeline includes difference
The Main Coolant heat pipe section (11) and Main Coolant cold leg (12) being connected with the Part I with Part II.
3. a kind of heat exchanger as claimed in claim 1 is located at the outer marine PWR secondary side passive residual heat removal system of water tank
System, it is characterised in that：The chilled(cooling) water return (CWR) includes pipe line (31) and cold pipeline (32), the pipe line (31), cold pipeline
(32) one end is connected with condenser (3), the same water tank of the other end (4) connection.
4. a kind of heat exchanger as claimed in claim 3 is located at the outer marine PWR secondary side passive residual heat removal system of water tank
System, it is characterised in that：Baffle plate (41) is provided with the water tank (4), the water tank is divided into Part I by the baffle plate (41)
(43) and Part II (44), and the Part I (43) and Part II (44) connect in the upper and lower side of the baffle plate (41)
It is logical, and the pipe line (31) water tank (4) water inlet towards the baffle plate (41).
5. a kind of heat exchanger as claimed in claim 1 is located at the outer marine PWR secondary side passive residual heat removal system of water tank
System, it is characterised in that：Water tank (4) upper opening is simultaneously provided with dehydrating unit in opening.
6. a kind of heat exchanger as claimed in claim 1 is located at the outer marine PWR secondary side passive residual heat removal system of water tank
System, it is characterised in that：Condensate line (24) end is provided with check-valves (53).
7. a kind of heat exchanger as claimed in claim 1 is located at the outer marine PWR secondary side passive residual heat removal system of water tank
System, it is characterised in that：The steam pipework (23) and condensate line (24) are equipped with isolating valve (54).
8. a kind of heat exchanger as claimed in claim 1 is located at the outer marine PWR secondary side passive residual heat removal system of water tank
System, it is characterised in that：The isolating valve (54) can be opened and closed by remote information.
9. a kind of heat exchanger as claimed in claim 1 is located at the outer marine PWR secondary side passive residual heat removal system of water tank
System, it is characterised in that：The pipe line (31) and cold pipeline (32) are equipped with isolating valve (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710932983.6A CN107833642A (en) | 2017-10-10 | 2017-10-10 | Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710932983.6A CN107833642A (en) | 2017-10-10 | 2017-10-10 | Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107833642A true CN107833642A (en) | 2018-03-23 |
Family
ID=61647568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710932983.6A Pending CN107833642A (en) | 2017-10-10 | 2017-10-10 | Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107833642A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447570A (en) * | 2018-05-15 | 2018-08-24 | 中广核研究院有限公司 | Naval reactor and its Passive residual heat removal system |
| CN108877965A (en) * | 2018-06-25 | 2018-11-23 | 哈尔滨工程大学 | A kind of passive air cooling system applied to PCCS heat-exchanging water tank |
| CN109585045A (en) * | 2018-12-26 | 2019-04-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of heat-exchanger rig and passive residual heat removal system for reactor |
| WO2021109136A1 (en) * | 2019-12-06 | 2021-06-10 | 中广核研究院有限公司 | Passive secondary side waste heat removal system for nuclear power plant |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201946323U (en) * | 2011-01-05 | 2011-08-24 | 中科华核电技术研究院有限公司 | Emergency water supply system for nuclear power station |
| CN103778976A (en) * | 2012-10-22 | 2014-05-07 | 中国核动力研究设计院 | Passive waste heat discharging system on secondary side of steam generator |
| CN104021823A (en) * | 2014-05-23 | 2014-09-03 | 中国核动力研究设计院 | Waste heat long-term passive lead-out system of floating-type nuclear power station |
| KR101459550B1 (en) * | 2014-02-27 | 2014-11-10 | 한국원자력연구원 | 4-Quadrant Air-Water Combined Cooling Passive Feedwater System |
| CN204029396U (en) * | 2014-07-30 | 2014-12-17 | 中科华核电技术研究院有限公司 | Non-active concrete containment cooling system |
| CN104733060A (en) * | 2015-03-25 | 2015-06-24 | 东南大学 | Passive residual heat removal system of marine nuclear power device |
| CN106816186A (en) * | 2017-01-24 | 2017-06-09 | 哈尔滨工程大学 | A kind of Integrated PWR Heat Discharging System of Chinese based on separate heat pipe |
| CN207624389U (en) * | 2017-10-10 | 2018-07-17 | 中国船舶重工集团公司第七一九研究所 | Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank |
-
2017
- 2017-10-10 CN CN201710932983.6A patent/CN107833642A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201946323U (en) * | 2011-01-05 | 2011-08-24 | 中科华核电技术研究院有限公司 | Emergency water supply system for nuclear power station |
| CN103778976A (en) * | 2012-10-22 | 2014-05-07 | 中国核动力研究设计院 | Passive waste heat discharging system on secondary side of steam generator |
| KR101459550B1 (en) * | 2014-02-27 | 2014-11-10 | 한국원자력연구원 | 4-Quadrant Air-Water Combined Cooling Passive Feedwater System |
| CN104021823A (en) * | 2014-05-23 | 2014-09-03 | 中国核动力研究设计院 | Waste heat long-term passive lead-out system of floating-type nuclear power station |
| CN204029396U (en) * | 2014-07-30 | 2014-12-17 | 中科华核电技术研究院有限公司 | Non-active concrete containment cooling system |
| CN104733060A (en) * | 2015-03-25 | 2015-06-24 | 东南大学 | Passive residual heat removal system of marine nuclear power device |
| CN106816186A (en) * | 2017-01-24 | 2017-06-09 | 哈尔滨工程大学 | A kind of Integrated PWR Heat Discharging System of Chinese based on separate heat pipe |
| CN207624389U (en) * | 2017-10-10 | 2018-07-17 | 中国船舶重工集团公司第七一九研究所 | Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447570A (en) * | 2018-05-15 | 2018-08-24 | 中广核研究院有限公司 | Naval reactor and its Passive residual heat removal system |
| CN108447570B (en) * | 2018-05-15 | 2023-12-26 | 中广核研究院有限公司 | Marine reactor and secondary side passive waste heat discharging system thereof |
| CN108877965A (en) * | 2018-06-25 | 2018-11-23 | 哈尔滨工程大学 | A kind of passive air cooling system applied to PCCS heat-exchanging water tank |
| CN109585045A (en) * | 2018-12-26 | 2019-04-05 | 中国船舶重工集团公司第七〇九研究所 | A kind of heat-exchanger rig and passive residual heat removal system for reactor |
| WO2021109136A1 (en) * | 2019-12-06 | 2021-06-10 | 中广核研究院有限公司 | Passive secondary side waste heat removal system for nuclear power plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107833641A (en) | A kind of marine PWR seawater cools down Passive residual heat removal system | |
| CN107833642A (en) | Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank | |
| CN107403650B (en) | Secondary side passive waste heat discharging system of offshore floating nuclear power station | |
| CN103903659B (en) | Floating nuclear power plant Heat Discharging System of Chinese | |
| CN106531244B (en) | A kind of Passive containment cooling system available for floating nuclear power plant | |
| CN104733060A (en) | Passive residual heat removal system of marine nuclear power device | |
| CN107464590A (en) | Marine PWR Passive residual heat removal system | |
| WO2016078421A1 (en) | Passive safe cooling system | |
| US20230197300A1 (en) | Passive waste heat removal system on secondary side of marine environmental reactor | |
| CN207624389U (en) | Heat exchanger is located at the outer marine PWR Passive residual heat removal system of water tank | |
| CN107393605A (en) | The passive air-cooling apparatus and method of a kind of modular small nuclear reactor | |
| WO2022135245A1 (en) | Passive safety system for reactor | |
| CN103617815A (en) | Passive residual heat exhausting system of pressurized water reactor nuclear power plant | |
| CN106328223B (en) | A kind of novel passive containment energy management system | |
| CN207909507U (en) | A kind of passive residual heat removal system | |
| CN207624390U (en) | A kind of marine PWR seawater cooling Passive residual heat removal system | |
| CN104916334A (en) | Separated heat pipe type passive residual heat removal system for pressurized water reactor nuclear power plant | |
| CN107644693B (en) | Naval reactor and once through steam generator Passive residual heat removal system | |
| CN107665742B (en) | It is active to meet an urgent need residual heat removal system with the passive naval reactor that combines | |
| CN106653107A (en) | Passive decay heat removal system for liquid metal cooling pool type reactor | |
| CN104021823A (en) | Waste heat long-term passive lead-out system of floating-type nuclear power station | |
| CN109545401A (en) | A kind of lead base fast reactor out-pile passive residual heat removal system | |
| CN207489487U (en) | A kind of ocean nuclear power flat reaction heap residual heat removal system | |
| CN203826013U (en) | Waste heat long-term passive exporting system for floating nuclear power station | |
| CN207250149U (en) | The Passive residual heat removal system of floating nuclear power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |