CN209401322U - Million kilowatt nuclear power station Spent Fuel Pool cooling system - Google Patents
Million kilowatt nuclear power station Spent Fuel Pool cooling system Download PDFInfo
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- CN209401322U CN209401322U CN201821622675.XU CN201821622675U CN209401322U CN 209401322 U CN209401322 U CN 209401322U CN 201821622675 U CN201821622675 U CN 201821622675U CN 209401322 U CN209401322 U CN 209401322U
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- fuel pool
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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
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model relates to the core supplement heat rejecter water system technical fields at million kilowatt nuclear power station, provide a kind of million kilowatt nuclear power station Spent Fuel Pool cooling system, including material-changing water tank, the cooling route group of primary Ioops is connect and formed with the material-changing water tank, weary pond water-supply-pipe and weary pond return pipe, the cooling route group includes being in series with the first cooling component of the first cooling pump and First Heat Exchanger, it is in series with the second cooling component of the second cooling pump and the second heat exchanger, it is in series with the third cooling component of third cooling pump and third heat exchanger, it is connected to the 4th connecting tube of the first connecting tube Yu the second connecting tube, it is connected to the 5th connecting tube of the third connecting tube Yu the 4th connecting tube.The utility model is during refueling outage, when cooling capacity demand increases, three heat exchangers and any two cooling pumps and each isolating valve can be adjusted carry out requirement when the cooling of recirculated water is just able to satisfy with this high temperature season overhaul to cooling capacity by starting and coming into operation.
Description
Technical field
The utility model belongs to the core supplement heat rejecter water system technical field at million kilowatt nuclear power station, more particularly to a kind of
Million kilowatt nuclear power station Spent Fuel Pool cooling system.
Background technique
Spentnuclear fuel is also known as rradiated nuclear fuel, is to be subjected to overshoot irradiation, used nuclear fuel, usually by nuclear power station
Nuclear reactor generates.Due to including a large amount of radioactive element in spent fuel, there is very strong radioactivity, therefore must
It must deal carefully with.
Irradiated fuel store is the important stage of nuclear fuel processing, the core combustion that nuclear power plant constantly more renews in entire phase in longevity domestic demand
Expect and draws off used spentnuclear fuel.Spentnuclear fuel can continue to release decay heat, and therefore, the cooling to spentnuclear fuel is spentnuclear fuel storage
Deposit the important link of technique.
Nuclear power station one operation during, from the irradiated fuel assembly drawn off in reactor need first to be temporarily stored into material-changing water tank into
Row cooling, material-changing water tank cooling system is the waste heat that the fuel assembly for cooling down in material-changing water tank is discharged, general to require
The temperature of weary water is lower than 50 DEG C.When using Whole core reload when, weary pond under current refueling outage mode discharging complete when
Decay heat is far longer than the weary intrinsic cooling capacity of pond cooling system, especially when component cooling water side water temperature is greater than 30 DEG C
When, it is not enough to cool down weary pond even if arranging weary pond cooling water system two cooling route puts into operation.
Unit summer overhaul or because urgent industrial and mineral need in summer discharging, existing material-changing water tank cooling system it is cold
But ability is far from satisfying requirement.
Utility model content
The purpose of this utility model is to provide a kind of million kilowatt nuclear power station Spent Fuel Pool cooling systems, it is intended to solve
Certainly in the prior art the cooling capacity of material-changing water tank cooling system be unable to satisfy nuclear power station unit station reload in high temperature season it is big
The technical issues of service requirement repaired.
The utility model is realized in this way a kind of million kilowatt nuclear power station Spent Fuel Pool cooling system, for cold
But the weary water in Spent Fuel Pool, including material-changing water tank, the cooling route for being connect with the material-changing water tank and forming primary Ioops
Group, the connection Spent Fuel Pool are with the cooling route group and weary for exporting the weary water in the Spent Fuel Pool
Pond water-supply-pipe and the connection Spent Fuel Pool and the cooling route group are simultaneously cooling for that will pass through the cooling route group
Defeated time Spent Fuel Pool of weary water weary pond return pipe, the cooling route group includes:
First cooling component, first cooling component and the material-changing water tank are arranged in series and the including being arranged in series
One cooling pump and First Heat Exchanger；
First connecting tube, first connecting tube is for connecting first cooling pump and the First Heat Exchanger；
First isolating valve, first isolating valve are set in first connecting tube and at least provided with one；
Second cooling component, second cooling component and the material-changing water tank are arranged in series and cool down group with described first
Part is arranged in parallel and the second cooling pump including being arranged in series and the second heat exchanger；
Second connecting tube, second connecting tube is for connecting second cooling pump and second heat exchanger；
Second isolating valve, second isolating valve are set in second connecting tube and at least provided with one；
Third cooling component, the third cooling component and the material-changing water tank are arranged in series and cool down group with described first
Part is arranged in parallel and the third cooling pump including being arranged in series and third heat exchanger；
Third connecting tube, the third connecting tube is for connecting the third cooling pump and the third heat exchanger；
Third isolating valve, the third isolating valve are set in the third connecting tube and at least provided with one；
4th connecting tube, the 4th connecting tube is for connecting first connecting tube and second connecting tube；
4th isolating valve, the 4th isolating valve are set in the 4th connecting tube and at least provided with one；
5th connecting tube, the 5th connecting tube is for connecting the third connecting tube and the 4th connecting tube；
5th isolating valve, the 5th isolating valve are set in the 5th connecting tube.
The utility model compared with the existing technology have the technical effect that the utility model is realized by the way that cooling route group is arranged
The circulating cooling of weary water, first cooling component being set side by side, second cooling component and institute in material-changing water tank
State the cooling capacity that third cooling component improves cooling system.By the 4th connecting tube of setting and the second connecting tube, so that institute
It states the first cooling pump, second cooling pump and the third cooling pump to connect side by side, but also the First Heat Exchanger, described
Second heat exchanger and the third heat exchanger connect side by side, during refueling outage, when cooling capacity demand increases, can pass through starting
And come into operation and three heat exchangers and any two cooling pumps and adjust the cooling that each isolating valve carries out recirculated water, water to be recycled reaches
To after cooling require, the water in the material-changing water tank is discharged into the Spent Fuel Pool by the drainpipe and carries out cooling in addition
One cooling pump can be used as spare or he uses, requirement when being just able to satisfy high temperature season overhaul with this to cooling capacity.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, below will to the utility model embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings described below is only
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the structure of million kilowatt nuclear power station Spent Fuel Pool cooling system provided by the embodiment of the utility model is shown
It is intended to.
Description of symbols:
10, Spent Fuel Pool；11, material-changing water tank；12, weary pond water-supply-pipe；13, weary pond return pipe；210, the first connecting tube；
211, the first cooling pump；212, First Heat Exchanger；213, the first isolating valve；214, the first branch pipe；220, the second connecting tube；221,
Second cooling pump；222, the second heat exchanger；223, the second isolating valve；224, the second branch pipe；230, third connecting tube；231, third
Cooling pump；232, third heat exchanger；233, third isolating valve；234, third branch pipe；240, the 4th connecting tube；241, the 4th isolation
Valve；250, the 5th connecting tube；251, the 5th isolating valve；30, charging pipe；301, isolating valve is drained；31, residual heat removal system；
32, return pipe；40, drainpipe；401, water-filling isolating valve；41, reactor pit；50, the 6th connecting tube；60, outlet pipe；601, it is discharged
Valve；602, bypass valve；61, water inlet pipe；611, enter water valve；70, the 7th connecting tube；701, the 7th isolating valve；80, purification circuit
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.
The utility model provides a kind of million kilowatt nuclear power station Spent Fuel Pool cooling system, for cooling down spentnuclear fuel water
Weary water in pond 10.
Referring to Fig. 1, the million kilowatt nuclear power station Spent Fuel Pool cooling system includes material-changing water tank 11, changes with described
Material water tank 11 connects and is formed the cooling route group 20 of primary Ioops, the connection Spent Fuel Pool 10 and the cooling route group
20 and for by the weary pond water-supply-pipe 12 and the connection Spent Fuel Pool of the weary water output in the Spent Fuel Pool 10
10 with the cooling route group 20 and for that will pass through the weary water defeated time cooling spentnuclear fuel water of the cooling route group 20
The weary pond return pipe 13 in pond 10, wherein the weary water and the cooling water or recirculated water that are mentioned below can directly be seawater,
It can be the mixing liquid that the addition in pure water is conducive to the substance of fast endothermic and is formed.The material-changing water tank 11 can be
It is enclosed by reinforced concrete, is also possible to be enclosed by stainless steel material.
Please continue to refer to Fig. 1, in the utility model embodiment, the cooling route group 20 includes:
First cooling component, first cooling component and the material-changing water tank 11 are arranged in series and including being arranged in series
First cooling pump 211 and First Heat Exchanger 212；
First connecting tube 210, first connecting tube 210 are changed for connecting first cooling pump 211 and described first
Hot device 212；
First isolating valve 213, first isolating valve 213 are set in first connecting tube 210 and at least provided with one
It is a；
Second cooling component, second cooling component and the material-changing water tank 11 are arranged in series and cool down with described first
Modules in parallel setting and the second cooling pump 221 including being arranged in series and the second heat exchanger 222；
Second connecting tube 220, second connecting tube 220 are changed for connecting second cooling pump 221 and described second
Hot device 222；
Second isolating valve 223, second isolating valve 223 are set in second connecting tube 220 and at least provided with one
It is a；
Third cooling component, the third cooling component and the material-changing water tank 11 are arranged in series and cool down with described first
Modules in parallel setting and the third cooling pump 231 including being arranged in series and third heat exchanger 232；
Third connecting tube 230, the third connecting tube 230 is used to connect the third cooling pump 231 and the third is changed
Hot device 232；
Third isolating valve 233, the third isolating valve are set in the third connecting tube 230 and at least provided with one；
4th connecting tube 240, the 4th connecting tube 240 connect for connecting first connecting tube 210 with described second
Adapter tube 220；
4th isolating valve 241, the 4th isolating valve 241 are set in the 4th connecting tube 240 and at least provided with one；
5th connecting tube 250, the 5th connecting tube 250 connect for connecting the third connecting tube 230 with the described 4th
Adapter tube 240；
5th isolating valve 251, the 5th isolating valve 251 are set in the 5th connecting tube 250.
Weary water in the Spent Fuel Pool 10 is sent into each described by the utility model by the weary pond water-supply-pipe 12
Cooling component carries out cooling cycle, and first cooling component being set side by side, second cooling component and the third are cold
But component improves the cooling capacity of cooling system.By the 4th connecting tube 240 of setting and the 5th connecting tube 25, so that described
First cooling pump 211, second cooling pump 221 and the third cooling pump 231 connect side by side, but also first heat exchange
Device 212, second heat exchanger 222 and the third heat exchanger 232 connect side by side, during refueling outage, cooling capacity demand
When increase, three heat exchangers and any two cooling pumps can be made to come into operation by adjusting each isolating valve, to carry out to following
The cooling of ring water, after water to be recycled reaches cooling requirement, recirculated water flows back to the spentnuclear fuel water by the weary pond return pipe 13
Pond 10 cools down spentnuclear fuel, requirement when being just able to satisfy high temperature season overhaul with this to cooling capacity.Other one does not have
The cooling pump used can be used as it is spare or he use, in case emergency generation.
Above each heat exchanger exchanges heat with nuclear power plant equipment cooling water system.
Please continue to refer to Fig. 1, in the utility model embodiment, further, the weary combustion in million kilowatt nuclear power station
Material pond cooling system further includes connecting with the cooling route group 20 and for the water for reactor pit through Residual heat removal system
System 31 is expelled to the drainpipe 30 of the material-changing water tank 11.The drainpipe 30 is used for the water being discharged in the reactor pit,
The drainpipe 30 drain into the water in the material-changing water tank 11 can by the utility model cooling system circuit circulation it is cold
But enter in the Spent Fuel Pool afterwards and spentnuclear fuel is cooled down.
Further, the drainpipe 30 is connected to residual heat removal system 31, so as to will be in the residual heat removal system 31
Water be conveyed into the cooling route group 20, carry out it is cooling after be re-fed into the Spent Fuel Pool.In this way, the Spent Fuel Pool
Just a set of cooling system can be shared with the residual heat removal system.
Further, draining isolating valve 301 is provided on the drainpipe 30.Opened under hull-borne it is described draining every
From valve 301, the draining isolating valve 301 is closed during circulating cooling.
Please continue to refer to Fig. 1, in the utility model embodiment, million kilowatt nuclear power station Spent Fuel Pool is cooling
System further includes the charging pipe 40 for being connected to first connecting tube 210 and being connected to reactor pit 41.The reactor pit 41 described in this way needs
When water-filling, the water in the material-changing water tank 11 can be extracted out and pass through the charging pipe 40 it is filled with by first suction pump
The reactor pit 41.
Further, at least one water-filling isolating valve 401 is provided on the charging pipe 40.When not needing water-filling operation
Close the water-filling isolating valve 401.
Please continue to refer to Fig. 1, in the utility model embodiment, million kilowatt nuclear power station Spent Fuel Pool is cooling
System further includes being connected to the 6th connecting tube 50 of the third connecting tube 230 and the charging pipe 40.Carrying out water-filling work in this way
When industry, the water of the discharge in the material-changing water tank 11 can be conveyed by third cooling pump 231 and the 6th connecting tube 50
The charging pipe 40 is simultaneously filled with the reactor pit 41, and then completes the water-filling work of the reactor pit 41, is carrying out water-filling operation in this way
When, the third cooling pump 231 has been only taken up, without influencing the cooling to the Spent Fuel Pool, i.e., has not influenced described first
The function of cooling component and second cooling component, can still realize the method for operation of two pumps, three heat exchanger.
Further, the 6th isolating valve is provided in the 6th connecting tube 50.6th isolating valve is to use
It opens when third 231 water-filling of cooling pump to complete water-filling operation.
Please continue to refer to Fig. 1, in the utility model embodiment, million kilowatt nuclear power station Spent Fuel Pool is cooling
System further includes being connected to the material-changing water tank 11 and cooling route group 20 and for the water in the material-changing water tank 11 to be conveyed into
The outlet pipe 60 of the cooling route group 20.By an outlet pipe 60 can be connected to the material-changing water tank 11 with it is described
Cooling route group 20 simultaneously supplies water for the cooling route group 20, has saved production cost.
Further, it is provided with outlet valve 601 on the outlet pipe 60, for controlling water outlet status.
Please continue to refer to Fig. 1, in the utility model embodiment, million kilowatt nuclear power station Spent Fuel Pool is cooling
System further includes being connected to the material-changing water tank 11 and cooling route group 20 and being used for the cooling route group 20 water after cooling
It is transmitted back to the water inlet pipe 61 of the material-changing water tank 11.The material-changing water tank 11 and institute can be connected to by a water inlet pipe 61
It states cooling route group 20 and to 11 return water of material-changing water tank, has saved production cost.
Further, at least one is provided on the water inlet pipe 61 and enters water valve 611, it is described enter water valve 611 for controlling
Reflux course through the cooling route group 20 water after cooling.
Please continue to refer to Fig. 1, in the utility model embodiment, million kilowatt nuclear power station Spent Fuel Pool is cooling
System further includes being connected to the 7th connecting tube 70 of the third connecting tube 230 and the water inlet pipe 61.7th connecting tube
70 is in parallel with the third heat exchanger 232, and when for reactor pit draining, the water of the reactor pit passes through the waste heat
Discharge system 31, by the third cooling pump 231, flows into described from the drainpipe 30 using the 7th connecting tube 70
Water inlet pipe 61 is discharged into the material-changing water tank 11 by the water inlet pipe 61, and then completes the drainage works of the reactor pit,
In this way when carrying out the draining of the reactor pit, do not influence not influence the cooling of the Spent Fuel Pool 10
The function of first cooling component and second cooling component, can still realize the method for operation of two pumps, three heat exchanger.
Further, the 7th isolating valve 701 is provided in the 7th connecting tube 70.7th isolating valve 701 is used for
Control the flowing water situation in the 7th connecting tube 70.
Please continue to refer to Fig. 1, in the utility model embodiment, million kilowatt nuclear power station Spent Fuel Pool is cooling
System further includes the return pipe 32 for being connected to the water inlet pipe 61 and the residual heat removal system 31.The residual heat removal system described in this way
31 and the Spent Fuel Pool 10 can share a cooling system, realize multi-function cooling, it is preferable that waste heat row
System 31 is cooled down by the third cooling component out, does not influence first cooling component and described second at the same time
Cooling of the cooling component to the water in the Spent Fuel Pool 10.
Please continue to refer to Fig. 1, in the utility model embodiment, million kilowatt nuclear power station Spent Fuel Pool is cooling
System further includes the purification circuit 80 in parallel with second cooling pump 221.Before being charged for the Spent Fuel Pool 10,
It needs in advance to purify the weary water, the weary water in the heat-exchanging water tank is by the outlet pipe 60 and described second
Cyclic process is played in cooling component and the realization of water inlet pipe 61, forms recirculated water, second cooling pump 221 drives described purify back
Road 80 purifies recirculated water.
Further, first cooling component includes for being connected to the outlet pipe 60 and first cooling pump 211
The first branch pipe 214, second cooling component includes for being connected to the outlet pipe 60 and second cooling pump 221
Two branch pipes 224, the third cooling component include the third for being connected to the outlet pipe 60 and the third cooling pump 231
Branch pipe 234, the purification circuit 80 are connected to second connecting tube 220 in one end and are connected to described second in its other end
Pipe 224.Make the purification circuit 80 only in parallel with second cooling pump 221, just in this way convenient for control purification process.
Please continue to refer to Fig. 1, in the utility model embodiment, the purification circuit 80 also with the third cooling pump
231 is in parallel.In this way from the weary water in the heat-exchanging water tank by the outlet pipe 60, the third cooling component and described
Water inlet pipe 61, which can be realized, plays cyclic process, forms recirculated water, the purification circuit 80 can pass through the third cooling pump 231
Circulating purification is carried out, avoids occupying first cooling component and second cooling component, not influence to the spentnuclear fuel water
The refrigerating function in pond 10.
Further, the purification circuit 80 is connected to the third connecting tube 230 in one end and is connected in its other end
The third branch pipe 234.Just make the purification circuit 80 only in parallel with the third cooling pump 231 in this way, it is net convenient for control
Change process.
Please continue to refer to Fig. 1, in the utility model embodiment, bypass valve 602, institute are provided on the outlet pipe 60
It states the first branch to be connected between the bypass valve 602 and first water supply pump, the second branch is connected to the branch
Between valve 602 and second water supply pump, the third branch is connected between the bypass valve 602 and the material-changing water tank 11
The outlet pipe 60 on.The first cooling component described in this way and second cooling component can be formed for the spentnuclear fuel
The cooling group in pond 10 can be realized to institute by 602 1 valve of bypass valve the third cooling component is spare or his used time
The control of the cooling group of Spent Fuel Pool 10 is stated, it is more convenient.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (20)
1. a kind of million kilowatt nuclear power station Spent Fuel Pool cooling system, for cooling down the weary water in Spent Fuel Pool,
It is characterized in that, including material-changing water tank, the cooling route group for being connect with the material-changing water tank and forming primary Ioops, the connection weary combustion
Expect pond and the cooling route group and weary pond water-supply-pipe, Yi Jilian for exporting the weary water in the Spent Fuel Pool
Lead to the Spent Fuel Pool and the cooling route group and for the cooling defeated go back to institute of weary water of the cooling route group will to be passed through
The weary pond return pipe of Spent Fuel Pool is stated, the cooling route group includes:
First cooling component, first cooling component is arranged in series with the material-changing water tank and first including being arranged in series is cold
But pump and First Heat Exchanger；
First connecting tube, first connecting tube is for connecting first cooling pump and the First Heat Exchanger；
First isolating valve, first isolating valve are set in first connecting tube and at least provided with one；
Second cooling component, second cooling component and the material-changing water tank be arranged in series and with first cooling component simultaneously
Connection setting and the second cooling pump including being arranged in series and the second heat exchanger；
Second connecting tube, second connecting tube is for connecting second cooling pump and second heat exchanger；
Second isolating valve, second isolating valve are set in second connecting tube and at least provided with one；
Third cooling component, the third cooling component and the material-changing water tank be arranged in series and with first cooling component simultaneously
Connection setting, the third cooling component includes the third cooling pump being arranged in series and third heat exchanger；
Third connecting tube, the third connecting tube is for connecting the third cooling pump and the third heat exchanger；
Third isolating valve, the third isolating valve are set in the third connecting tube and at least provided with one；
4th connecting tube, the 4th connecting tube is for connecting first connecting tube and second connecting tube；
4th isolating valve, the 4th isolating valve are set in the 4th connecting tube and at least provided with one；
5th connecting tube, the 5th connecting tube is for connecting the third connecting tube and the 4th connecting tube；
5th isolating valve, the 5th isolating valve are set in the 5th connecting tube.
2. million kilowatt nuclear power station Spent Fuel Pool cooling system as described in claim 1, which is characterized in that described million
Kilowatt nuclear-power station Spent Fuel Pool cooling system further includes connecting and being used for for reactor pit with the cooling route group
Water is expelled to the drainpipe of the material-changing water tank through residual heat removal system.
3. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 2, which is characterized in that the draining
Pipe is connected to residual heat removal system.
4. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 3, which is characterized in that the draining
Draining isolating valve is provided on pipe.
5. such as the described in any item million kilowatt nuclear power station Spent Fuel Pool cooling systems of claim 2 to 4, it is characterised in that
The million kilowatt nuclear power station Spent Fuel Pool cooling system further includes being connected to first connecting tube and being connected to reactor pit
Charging pipe.
6. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 5, which is characterized in that the draining
At least one water-filling isolating valve is provided on pipe.
7. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 5, which is characterized in that described million
Kilowatt nuclear-power station Spent Fuel Pool cooling system further includes the 6th connection for being connected to the third connecting tube and the charging pipe
Pipe.
8. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 7, which is characterized in that the described 6th
The 6th isolating valve is provided in connecting tube.
9. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 2, which is characterized in that described million
Kilowatt nuclear-power station Spent Fuel Pool cooling system further includes being connected to the material-changing water tank and cooling route group and for will be described
Water in material-changing water tank is conveyed into the outlet pipe of the cooling route group.
10. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 9, which is characterized in that it is described go out
Outlet valve is provided on water pipe.
11. such as claim 2 to 4 or 9 to 10 described in any item million kilowatt nuclear power station Spent Fuel Pool cooling systems,
It is characterized in that, the million kilowatt nuclear power station Spent Fuel Pool cooling system further includes being connected to the material-changing water tank and cooling line
Road group and the water inlet pipe for being used to for the cooling route group water after cooling being transmitted back to the material-changing water tank.
12. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 11, which is characterized in that it is described enter
It is provided at least one on water pipe and enters water valve.
13. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 12, which is characterized in that described hundred
Ten thousand multikilowatt nuclear power station spent fuel reservoir cooling systems further include be connected to the third connecting tube and the water inlet pipe the 7th
Connecting tube.
14. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 13, which is characterized in that described
The 7th isolating valve is provided in seven connecting tubes.
15. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 12, which is characterized in that described hundred
Ten thousand multikilowatt nuclear power station spent fuel reservoir cooling systems further include the reflux for being connected to the water inlet pipe Yu the residual heat removal system
Pipe.
16. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 9, which is characterized in that described hundred
Ten thousand multikilowatt nuclear power station spent fuel reservoir cooling systems further include the purification circuit in parallel with second cooling pump.
17. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 16, which is characterized in that described
One cooling component includes the first branch pipe for being connected to the outlet pipe Yu first cooling pump, the second cooling component packet
The second branch pipe for being connected to the outlet pipe Yu second cooling pump is included, the third cooling component includes for being connected to
State the third branch pipe of outlet pipe Yu the third cooling pump, the purification circuit be connected to one end second connecting tube and in
Its other end is connected to second branch pipe.
18. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 17, which is characterized in that described net
It is in parallel with the third cooling pump to change circuit.
19. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 18, which is characterized in that described net
Change circuit to be connected to the third connecting tube in one end and be connected to the third branch pipe in its other end.
20. million kilowatt nuclear power station Spent Fuel Pool cooling system as claimed in claim 17, which is characterized in that it is described go out
Bypass valve is provided on water pipe, the first branch is connected between the bypass valve and first water supply pump, and described second
Branch is connected between the bypass valve and second water supply pump, and the third branch is connected to the bypass valve and changes with described
Expect on the outlet pipe between water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821622675.XU CN209401322U (en) | 2018-09-30 | 2018-09-30 | Million kilowatt nuclear power station Spent Fuel Pool cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821622675.XU CN209401322U (en) | 2018-09-30 | 2018-09-30 | Million kilowatt nuclear power station Spent Fuel Pool cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401322U true CN209401322U (en) | 2019-09-17 |
Family
ID=67877130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821622675.XU Active CN209401322U (en) | 2018-09-30 | 2018-09-30 | Million kilowatt nuclear power station Spent Fuel Pool cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209401322U (en) |
-
2018
- 2018-09-30 CN CN201821622675.XU patent/CN209401322U/en active Active
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