CN103632736B - A kind of nuclear power station Reactor cavity flooding cooling system - Google Patents
A kind of nuclear power station Reactor cavity flooding cooling system Download PDFInfo
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- CN103632736B CN103632736B CN201210295150.0A CN201210295150A CN103632736B CN 103632736 B CN103632736 B CN 103632736B CN 201210295150 A CN201210295150 A CN 201210295150A CN 103632736 B CN103632736 B CN 103632736B
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- pipe
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- water
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- reactor cavity
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- 238000001816 cooling Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 180
- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 description 10
- 239000000498 cooling water Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
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- 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
- G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
- G21C15/12—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from pressure vessel; from containment vessel
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- 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
-
- 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
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
- G21D3/06—Safety arrangements responsive to faults within the plant
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/08—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation
-
- 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
- G21C15/24—Promoting flow of the coolant
- G21C15/243—Promoting flow of the coolant for liquids
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- 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
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
The present invention relates to a kind of nuclear power station Reactor cavity flooding cooling system, including: the reactor cavity that is arranged in containment vessel, the pressure vessel being arranged on reactor intracavity, between reactor cavity and pressure vessel and surround the heat shield of pressure vessel, also include external water flood system and the high-order flood pattern being arranged in containment；External water flood system includes the external water flood pipe that external water source is connected, the Reactor cavity flooding pump arranged on outside water injection pipe, the first isolating valve being respectively provided with at Reactor cavity flooding pump upstream and downstream and the second isolating valve with external water source；This external water flood pipe is connected through containment with bottom heat shield；High-order flood pattern include high-order water injecting tank, connect bottom high-order water injecting tank with the high-order water injection pipe of external water flood pipe, the 3rd isolating valve that is arranged on high-order water injection pipe.The present invention is stable and reliable for performance, can effectively alleviate major accident consequence, it is ensured that the integrity of reactor pressure vessel under major accident.
Description
Technical field
The present invention relates to a kind of cooling system, be specifically related in the case of one is applied to nuclear power plant accident, enter
Act therefore reply and the Reactor cavity flooding cooling system of alleviation.
Background technology
For pressurized-water reactor nuclear power plant major accident, take a lot of mitigation strategy the most in the world, in power plant
When there is the major accident that reactor core melts, the newest technology is delay measure (IVR) in fused mass heap.
In fused mass heap, delay measure is a kind of nuclear plant severe accident relieving measure, i.e. at PWR nuclear power plant
When (station) occurs the major accident of core meltdown, by the outside cooling of reactor pressure vessel, by heap
Heat is derived, it is achieved reactor core melt retention, it is ensured that the integrity of reactor pressure vessel.In the U.S.
AP600/1000 heap-type use this technology alleviate major accident consequence.Its design feature is: sternly
After weight accident occurs, in containment, the water in material-changing water tank is as cooling water, relies on gravity, with passive
Mode inject heap chamber, flood the cylinder of reactor pressure vessel low head and certain altitude, cooling water exists
Runner between reactor pressure vessel and heat-insulation layer thereof to flow through and cooled reactor pressure vessel outer wall
Face, returns to containment space by the perforate on heat-insulation layer top after heated formation steam.This design
Shortcoming is the cooling way that only a kind of " passive " injection is flooded, and injects discharge less, it is impossible to real
Now efficient heat exchange；And lack the cooling effectively to cooling water, it is difficult to ensure that system runs the later stage
Heat transfer effect.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of major accident melted at nuclear power station generation reactor core
Time, it is possible to the active and passive cooling water injection mode cooled reactor pressure vessel outer wall combined
Face, thus by reactor core melt retention in reactor pressure vessel, prevent from threatening containment complete
The Reactor cavity flooding cooling system of property.
In order to solve above-mentioned technical problem, the technical scheme is that, a kind of nuclear power station Reactor cavity flooding is cold
But system, including: the reactor cavity that is arranged in containment vessel, is arranged on reactor intracavity
Pressure vessel, between reactor cavity and pressure vessel and surround the heat shield of pressure vessel,
Also include external water flood system and the high-order flood pattern being arranged in containment；
Described external water flood system include external water flood pipe that external water source is connected with described external water source,
The Reactor cavity flooding pump arranged on described external water flood pipe；This external water flood pipe passes containment and heat screen
Connect bottom barrier；
Described high-order flood pattern includes high-order water injecting tank, connects and note with outside bottom described high-order water injecting tank
The high-order water injection pipe of water pipe.
External water source described further is positioned at the fire water supply outside containment.
Further comprise the first isolating valve and being respectively provided with at described Reactor cavity flooding pump upstream and downstream
Two isolating valves, and it is arranged on the 3rd isolating valve on described high-order water injection pipe.
Further comprise and be arranged on heat exchanger outside containment, be arranged on described Reactor cavity flooding pump and
The 4th isolating valve between one isolating valve, it is connected between described Reactor cavity flooding pump and the 4th isolating valve
Heat exchange outlet pipe on external water flood pipe, it is connected between described first isolating valve and the 4th isolating valve
Heat exchange water inlet pipe on external water flood pipe, described heat exchange outlet pipe and heat exchange water inlet pipe respectively with described heat exchange
Water inlet and outlet connect.
Further comprise the first spare duct, described first spare duct sets successively from upstream to downstream
Be equipped with the first standby isolating valve and standby Reactor cavity flooding pump, this first spare duct be connected the first isolating valve
It is connected in parallel with the external water flood pipe of Reactor cavity flooding pump.
Further comprise and be arranged on standby heat exchanger outside containment, be arranged on described standby heap chamber note
Water pump and first every standby the second standby isolating valve between valve, be connected to described standby Reactor cavity flooding pump
And standby heat exchange outlet pipe on the first spare duct between this second standby isolating valve, be connected to described
Standby heat exchange water inlet on the first spare duct between first standby isolating valve and this second standby isolating valve
Pipe, described standby heat exchange outlet pipe and standby heat exchange water inlet pipe respectively with the water inlet of described standby heat exchanger
Connect with outlet.
Further comprising low level flood pattern, described low level flood pattern includes being arranged on containment inner bottom
The low level water injecting tank in portion and the low level water injection pipe being connected bottom described low level water injecting tank, be arranged on described low
Position water injection pipe on the 5th isolating valve, described low level water main be connected to described Reactor cavity flooding pump and second every
On external water flood pipe between valve.
Further comprise the second spare duct, described second spare duct is provided with the 3rd standby isolation
Valve, this second spare duct one end is connected to bottom low level water injecting tank, and the other end is connected to standby heap chamber note
On first spare duct of water pump upstream.
Further on the extinguishing pipe between the second isolating valve and low level water injection pipe and external water flood pipe junction
Be provided with check-valves, in containment the first isolating valve and high-order water injection pipe and external water flood pipe junction it
Between external water flood pipe on be provided with check-valves, at the 4th isolating valve and high-order water injection pipe and external water flood pipe
It is provided with check-valves, at the 5th isolating valve and low level water injection pipe and outward on high-order water injection pipe between junction
It is provided with check-valves, on the second spare duct the 3rd on low level water injection pipe between water injection pipe junction, portion
The downstream of standby isolating valve is provided with check-valves.
Heat shield described further is supported on heap intracavity, forms one between this heat shield and pressure vessel
Individual cavity, described cavity and heap top of chamber junction are provided with discharge window, described discharge window level height
Higher than low level water injecting tank.
Beneficial effects of the present invention: this system takes the active and passive water flooding regime combined, performance
Reliable and stable, can effectively alleviate major accident consequence, it is ensured that reactor pressure vessel under major accident
Integrity.
Accompanying drawing explanation
Fig. 1 is one pressurized-water reactor nuclear power plant Reactor cavity flooding cooling system schematic diagram of the present invention；
In figure: 1-pressure vessel, 2-heat shield, 3-low level water injecting tank, 4-high position water injecting tank, 5-the 5th
Isolating valve, the standby isolating valve of 501-the 3rd, 6-check-valves, 7-Reactor cavity flooding pump, 8-the 4th isolating valve, 801-
Second standby isolating valve, 9-the first isolating valve, the standby isolating valve of 901-first, 10-the second isolating valve, 11-
3rd isolating valve, 12-containment vessel, 13-reactor cavity, 14-external water source, 15-external water flood
Pipe, 16-high position water injection pipe, 17-low level water injection pipe, 18-the first spare duct, 19-the second spare duct,
20-discharges window.
Detailed description of the invention
Below in conjunction with Fig. 1 and embodiment, the present invention is described further.
One pressurized-water reactor nuclear power plant Reactor cavity flooding cooling system the most of the present invention, in reactor safety
Arranging reactor cavity 13 in shell 12, pressure vessel 1 is arranged in reactor cavity 13, heat shield
2 and surround pressure vessel 1 between reactor cavity 13 and pressure vessel 1, and high-order flood pattern sets
Put in containment 12；The structure of heat shield 2 can use the design side of currently known AP1000
Case, heat shield 2 is supported in reactor cavity 13, forms a cavity between itself and pressure vessel,
This cavity and heap top of chamber junction are provided with discharge window 20.
The Reactor cavity flooding cooling system of the present invention is additionally provided with external water flood system, this external water flood system
The external water flood pipe 15 that is connected with described external water source 14 including external water source 14, at described outside note
The Reactor cavity flooding pump 7 that arranges on water pipe 15, it is respectively provided with at described Reactor cavity flooding pump 7 upstream and downstream
First isolating valve 9 and the second isolating valve 10；This external water flood pipe 15 through containment 12 and enters reaction
It is connected bottom heat shield 2 in heap heap chamber 13；Above-mentioned external water source 14 can be provided in safety
Fire water supply outside shell.
High-order flood pattern includes higher than the high-order water injecting tank 4 of core height setting, connects described high-order note
Bottom water tank 4 with the high-order water injection pipe 16 of the external water flood pipe 15 entered in containment 12, be arranged on institute
State the 3rd isolating valve 11 on high-order water injection pipe 16.Described 3rd isolating valve 11 can be by two or many
The isolating valve group that the isolating valve of individual parallel connection is constituted.
Heat exchanger is arranged on outside containment 12, the 4th isolating valve 8 be arranged on described Reactor cavity flooding pump 7 with
On the pipeline section of the external water flood pipe 15 between the first isolating valve 9, heat exchange outlet pipe one end is connected to described heap
On external water flood pipe 15 between chamber water injecting pump 7 and the 4th isolating valve 8, heat exchange water inlet pipe one end connects
On external water flood pipe 15 between described first isolating valve 9 and the 4th isolating valve 8, described heat exchange goes out
The other end of water pipe and heat exchange water inlet pipe is connected with water inlet and the outlet of described heat exchange respectively.
The Reactor cavity flooding cooling system of the present invention is additionally provided with low level flood pattern, described low level water filling system
System includes that the low level water injecting tank 3 being arranged on containment inner bottom part is connected bottom described low level water injecting tank 3
Low level water injection pipe 17, the 5th isolating valve 5 that is arranged on described low level water injection pipe 17, described low level is noted
Water pipe 17 is connected on the external water flood pipe 15 between described Reactor cavity flooding pump 7 and the second isolating valve 10.
Outside note between the second isolating valve 10 and low level water injection pipe 17 and external water flood pipe 15 junction
Be provided with check-valves 6 on water pipe 15, in containment 12 first isolating valve 9 and high-order water injection pipe 16 and
It is provided with check-valves 6, in the 4th isolation on external water flood pipe 15 between external water flood pipe 15 junction
Arrange on high-order water injection pipe 16 between valve 11 and high-order water injection pipe 16 and external water flood pipe 15 junction
There is check-valves 6, between the 5th isolating valve 5 and low level water injection pipe 17 and external water flood pipe 15 junction
Low level water injection pipe 17 on be provided with check-valves 6.
First spare duct 18 is disposed with the first standby isolating valve 901 and standby from upstream to downstream
With Reactor cavity flooding pump 701, this first spare duct 18 be connected the first isolating valve 9 and Reactor cavity flooding pump 7
External water flood pipe 15 be connected in parallel, i.e. its one end is connected to the downstream of the first isolating valve 9, and the other end is even
Receive between Reactor cavity flooding pump 7 and the check-valves 6 in the second isolating valve 10 downstream.
Standby heat exchanger it is additionally provided with outside containment 12；Second standby isolating valve 801 is arranged on described
Standby Reactor cavity flooding pump 701 and first has between isolating valve 901, and standby heat exchange outlet pipe one end connects
On the first spare duct between described standby Reactor cavity flooding pump 701 and this second standby isolating valve 801,
Standby heat exchange water inlet pipe one end is connected to described first standby isolating valve 901 and this second standby isolating valve
On the first spare duct 18 between 801, described standby heat exchange outlet pipe and standby heat exchange water inlet pipe another
One end is connected with water inlet and the outlet of described standby heat exchanger respectively.
Second spare duct 19 one end is connected to bottom low level water injecting tank 3, and the other end is connected to standby heap chamber
On first spare duct 18 of water injecting pump 701 upstream, the second spare duct 19 is provided with the 3rd standby
Isolating valve 501.On the second spare duct 19, the downstream of the 3rd standby isolating valve 501 is provided with check-valves.
On low level water injection pipe 17 the 5th isolating valve 5 downstream connect have spray pipeline, this spray pipeline another
End is connected with containment spray system, and containment is carried out under accident conditions by this spray pipeline as bypass
Spray；Meanwhile, on standby second spare duct 19, the 3rd standby isolating valve 501 downstream connection has standby spray
Shower pipe road, this standby spray pipeline other end is connected with containment spray system, and this standby spray pipeline is made
For standby；
The present invention discharges window 20 level height higher than low level water injecting tank 3.
Unit is properly functioning and under design basis accident, the Reactor cavity flooding cooling system of the present invention is isolated,
Level does not puts into operation.Manually put into this system by operator when major accident causes core meltdown.
When major accident causes core meltdown, Reactor cavity flooding cooling system of the present invention puts into operation.
Operator is according to core exit temperature signal, manual unlocking the first isolating valve the 9, the 4th isolating valve 8 and
Five isolating valves 5, start Reactor cavity flooding pump 7, from low level water injecting tank 3 water intaking piii reactor pressure vessel
Between 1 outer wall and heat shield 2, reactor pressure vessel 1 outer wall is cooled down, the water after cooling
Flow back in low level water injecting tank 3 by described discharge window 20, be circulated operation.
In system operation, cooling water, can be manual by operator owing to being heated and constant temperature rising
Open the heat exchange outlet pipe being connected with heat exchanger in this Reactor cavity flooding cooling system and heat exchange water inlet pipe, should
Heat exchanger can be the heat exchanger of containment spray system；Close the 4th isolating valve on external water flood pipe 15
8, low level water injecting tank 3 water sucked reinjects in reactor cavity 13 after the cooling of heat exchanger；
External water source 14 can coordinate low level water injecting tank 3 together reactor cavity 13 to be carried out water filling；Specifically,
When low level water injecting tank 3 lost efficacy or low level water injection pipe 17 or the second spare duct 19 lost efficacy, close the 5th
Isolating valve 5 and the 3rd standby isolating valve 501, open the second isolating valve 10, utilizes external water source 14 to instead
Heap heap chamber 13 is answered to carry out water filling.
When unit loses all power, the high-order water injection pipe of high-order water injecting tank 4 lower end in containment can be opened
3rd isolating valve 11 of 16, the water in high-order water injecting tank 4 relies on gravity to be injected by external water flood pipe 15
Reactor cavity 13, and flood reactor cavity 13 to certain altitude, it is achieved to reactor cavity 13
Continuous flooding and the lasting cooling of reactor pressure vessel 1 outer wall.
Claims (7)
1. a nuclear power station Reactor cavity flooding cooling system, including: the reactor cavity that is arranged in containment vessel, is arranged on
The pressure vessel of reactor intracavity, between reactor cavity and pressure vessel and surround the heat shield of pressure vessel, its
It is characterised by: also include external water flood system and the high-order flood pattern being arranged in containment；
Described external water flood system includes external water flood pipe that external water source is connected with described external water source, in described external water flood
The Reactor cavity flooding pump arranged on pipe, the first isolating valve being respectively provided with at described Reactor cavity flooding pump upstream and downstream and the second isolating valve；
This external water flood pipe is connected through containment with bottom heat shield；
Described high-order flood pattern includes high-order water injecting tank, connects the high-order water filling with external water flood pipe bottom described high-order water injecting tank
Pipe, the 3rd isolating valve being arranged on described high-order water injection pipe；
Also include the first spare duct, on described first spare duct from upstream to downstream be disposed with the first standby isolating valve and
Standby Reactor cavity flooding pump, this first spare duct is connected in parallel with the external water flood pipe being connected the first isolating valve and Reactor cavity flooding pump；
Also include being arranged on the standby heat exchanger outside containment, be arranged on described standby Reactor cavity flooding pump and the first standby isolating valve
Between the second standby isolating valve, be connected between described standby Reactor cavity flooding pump and this second standby isolating valve first standby
Standby heat exchange outlet pipe on pipeline, first be connected between described first standby isolating valve and this second standby isolating valve are standby
Standby heat exchange water inlet pipe on pipeline, described standby heat exchange outlet pipe and standby heat exchange water inlet pipe respectively with described standby heat exchanger
Water inlet and outlet connect.
2. according to the nuclear power station Reactor cavity flooding cooling system described in claim 1, it is characterised in that: described external water source is for being positioned at
Fire water supply outside containment.
3. according to the nuclear power station Reactor cavity flooding cooling system described in claim 1, it is characterised in that: also include being arranged on containment
Outside heat exchanger, the 4th isolating valve being arranged between described Reactor cavity flooding pump and the first isolating valve, be connected to described heap chamber note
The heat exchange outlet pipe on external water flood pipe between water pump and the 4th isolating valve, be connected to described first isolating valve with the 4th every
The heat exchange water inlet pipe on external water flood pipe between valve, described heat exchange outlet pipe and heat exchange water inlet pipe respectively with described heat exchanger
Water inlet and outlet connect.
4. according to the nuclear power station Reactor cavity flooding cooling system described in claim 1, it is characterised in that: also include low level flood pattern,
Described low level flood pattern includes that the low level water injecting tank being arranged on containment inner bottom part is low be connected bottom described low level water injecting tank
Position water injection pipe, the 5th isolating valve being arranged on described low level water injection pipe, described low level water injection pipe is connected to described Reactor cavity flooding pump
And on the external water flood pipe between the second isolating valve.
5. according to the nuclear power station Reactor cavity flooding cooling system described in claim 4, it is characterised in that: also include the second spare duct,
Being provided with the 3rd standby isolating valve on described second spare duct, this second spare duct one end is connected to bottom low level water injecting tank,
The other end is connected on the first spare duct of standby Reactor cavity flooding pump upstream.
6. according to the nuclear power station Reactor cavity flooding cooling system described in claim 5, it is characterised in that: at the second isolating valve and low level
It is provided with check-valves, the first isolating valve and high-order note in containment on extinguishing pipe between water injection pipe and external water flood pipe junction
Be provided with check-valves on external water flood pipe between water pipe and external water flood pipe junction, at the 4th isolating valve and high-order water injection pipe and
It is provided with check-valves, at the 5th isolating valve and low level water injection pipe and outside note on high-order water injection pipe between external water flood pipe junction
Being provided with check-valves on low level water injection pipe between water pipe junction, on the second spare duct, the downstream of the 3rd standby isolating valve sets
It is equipped with check-valves.
7. according to the nuclear power station Reactor cavity flooding cooling system described in claim 1, it is characterised in that: described heat shield is supported on
Heap intracavity, forms a cavity between this heat shield and pressure vessel, described cavity and heap top of chamber junction are provided with discharge window
Mouthful, described discharge window level height is less than low level water injecting tank.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210295150.0A CN103632736B (en) | 2012-08-20 | 2012-08-20 | A kind of nuclear power station Reactor cavity flooding cooling system |
| GB1504123.9A GB2520215B (en) | 2012-08-20 | 2013-08-19 | A water flooding system for cooling a nuclear power plant reactor cavity |
| PCT/CN2013/081727 WO2014029305A1 (en) | 2012-08-20 | 2013-08-19 | Water flooding system for cooling nuclear power plant reactor cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210295150.0A CN103632736B (en) | 2012-08-20 | 2012-08-20 | A kind of nuclear power station Reactor cavity flooding cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103632736A CN103632736A (en) | 2014-03-12 |
| CN103632736B true CN103632736B (en) | 2016-08-10 |
Family
ID=50149432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210295150.0A Active CN103632736B (en) | 2012-08-20 | 2012-08-20 | A kind of nuclear power station Reactor cavity flooding cooling system |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN103632736B (en) |
| GB (1) | GB2520215B (en) |
| WO (1) | WO2014029305A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183285B (en) * | 2014-08-12 | 2017-11-24 | 中国核电工程有限公司 | Cooling system outside a kind of reactor pressure vessel |
| CN105741887B (en) * | 2014-12-11 | 2017-11-14 | 中广核工程有限公司 | The passive Reactor cavity flooding system and method for nuclear power station |
| CN105895172A (en) * | 2014-12-26 | 2016-08-24 | 姚明勤 | Quick and effective design measure for passive safety of pressurized water reactor |
| CN104766637B (en) * | 2015-04-01 | 2017-03-29 | 中广核研究院有限公司 | Safety Injection integrated system |
| CN105047235B (en) * | 2015-06-09 | 2017-12-29 | 中国核动力研究设计院 | It is detained passive cooling system under nuclear reactor major accident state in fused mass heap |
| CN106803436B (en) * | 2015-11-26 | 2018-08-17 | 大亚湾核电运营管理有限责任公司 | The verification method and device of nuclear power plant's standby accident mitigation power supply accident application function |
| CN107945891B (en) * | 2017-10-19 | 2021-01-19 | 中国核电工程有限公司 | System with reactor core melt in-reactor detention and out-of-reactor detention functions |
| CN111720201B (en) * | 2020-07-23 | 2023-09-01 | 中船动力有限公司 | Cooling water supply system of diesel generator |
| WO2022047622A1 (en) * | 2020-09-01 | 2022-03-10 | 中广核研究院有限公司 | In-vessel melt retention system for nuclear power plant |
| CN112489842A (en) * | 2020-11-04 | 2021-03-12 | 中国核电工程有限公司 | Combined alarm method for active actuating mechanism of reactor cavity water injection cooling system |
| CN113205893B (en) * | 2021-04-02 | 2022-03-22 | 中国核电工程有限公司 | Arrangement method and system for reactor core submerged pool of nuclear power station |
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| CN201698776U (en) * | 2010-06-04 | 2011-01-05 | 中科华核电技术研究院有限公司 | Continuous-operation safety injection and spray system for nuclear power station |
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| CN102169733A (en) * | 2011-02-14 | 2011-08-31 | 中国核电工程有限公司 | Passive and active combined special safety system for nuclear power plant |
| CN202102729U (en) * | 2011-05-06 | 2012-01-04 | 中科华核电技术研究院有限公司 | Backup reactor core cooling and reactor cavity water filling system |
| CN202217513U (en) * | 2011-08-18 | 2012-05-09 | 中广核工程有限公司 | Precast supporting device of thermal insulating layer of pressure vessel of nuclear power station |
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| JPH03274493A (en) * | 1990-03-26 | 1991-12-05 | Toshiba Corp | Nuclear reactor emergency cooling system |
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| JP2004061192A (en) * | 2002-07-25 | 2004-02-26 | Toshiba Corp | Nuclear power generation facilities |
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- 2013-08-19 WO PCT/CN2013/081727 patent/WO2014029305A1/en active Application Filing
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| CN201570286U (en) * | 2009-11-25 | 2010-09-01 | 中科华核电技术研究院有限公司 | Reactor cavity injection system for nuclear power system |
| CN201689688U (en) * | 2010-06-04 | 2010-12-29 | 中科华核电技术研究院有限公司 | System for cooling reactor core, filling water in reactor cavity and guiding out heat of containment |
| CN201698776U (en) * | 2010-06-04 | 2011-01-05 | 中科华核电技术研究院有限公司 | Continuous-operation safety injection and spray system for nuclear power station |
| CN102034559A (en) * | 2010-09-19 | 2011-04-27 | 中广核工程有限公司 | Rapid mutual-backup system of nuclear power station and mutual-backup method thereof |
| CN102169733A (en) * | 2011-02-14 | 2011-08-31 | 中国核电工程有限公司 | Passive and active combined special safety system for nuclear power plant |
| CN202102729U (en) * | 2011-05-06 | 2012-01-04 | 中科华核电技术研究院有限公司 | Backup reactor core cooling and reactor cavity water filling system |
| CN202217513U (en) * | 2011-08-18 | 2012-05-09 | 中广核工程有限公司 | Precast supporting device of thermal insulating layer of pressure vessel of nuclear power station |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201504123D0 (en) | 2015-04-22 |
| GB2520215B (en) | 2018-04-18 |
| WO2014029305A1 (en) | 2014-02-27 |
| GB2520215A (en) | 2015-05-13 |
| CN103632736A (en) | 2014-03-12 |
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