CN203746436U - Cooling water system of spent fuel water tank device - Google Patents
Cooling water system of spent fuel water tank device Download PDFInfo
- Publication number
- CN203746436U CN203746436U CN201320825142.2U CN201320825142U CN203746436U CN 203746436 U CN203746436 U CN 203746436U CN 201320825142 U CN201320825142 U CN 201320825142U CN 203746436 U CN203746436 U CN 203746436U
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- Prior art keywords
- cooling
- module
- heat exchanger
- spent fuel
- pump
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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
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a cooling water system of a spent fuel water tank device. The cooling water system comprises a first cooling series, a second cooling series and a common thermal load module, wherein the first cooling series sequentially comprises a first cooling pump module, a first cooling heat exchanger module and a first cooling thermal load module; the second cooling series sequentially comprises a second cooling pump module, a second cooling heat exchanger module and a second cooling thermal load module; a first cooling water loop is formed by the first cooling pump module, the first cooling heat exchanger module and the common thermal load module; a second cooling water loop is formed by the first cooling pump module, the first cooling heat exchanger module and the first cooling thermal load module; a third cooling water loop is formed by the second cooling pump module, the second cooling heat exchanger module and the common thermal load module; a fourth cooling water loop is formed by the second cooling pump module, the second cooling heat exchanger module and the second cooling thermal load module. After the technical scheme is adopted, water can be supplied for at least two heat exchangers of the cooling water system of the spent fuel water tank device.
Description
Technical field
The utility model belongs to Nuclear Power Plant Equipment field, is specifically related to a kind of Spent Fuel Pool component cooling water system.
Background technology
Irradiated fuel store is the important stage of nuclear fuel cycle, and the nuclear fuel that nuclear power plant constantly more renews in whole phase in longevity domestic demand also draws off used spentnuclear fuel.Spentnuclear fuel has and continues to emit decay heat, has radioactivity, under specific circumstances may recovery of critical etc. feature, therefore, for any type of nuclear power plant, the storage of spentnuclear fuel safety is all the problem that cannot avoid.Spentnuclear fuel cooling is one of key problem of irradiated fuel store safety, is that the forced circulation via heat interchanger realizes by cooling pump, and the water supply of heat interchanger is provided by component cooling water system, and its Usefulness Pair spentnuclear fuel safety is most important.
In the design of commercial nuclear power system of two generations, as: M310-PTR, WWER-FAK, AP1000-SFS, Spent Fuel Pool cooling system has two cooling series conventionally, operation during the general difference of these two cooling series.In the generation Ⅲ nuclear power system of China's independent research, as: ACP1000-RFT and ACPR1000-PTR, Spent Fuel Pool cooling system all adopts three cooling Series Design, and under some specific operation, requiring wherein two cooling series to move simultaneously, this design has proposed new designing requirement to the water supply capacity of component cooling water and way of supplying water.
Utility model content
For the technical matters existing in prior art, the utility model provides a kind of Spent Fuel Pool component cooling water system, adopt this cooling water system to guarantee is at least two heat exchangers water supply of Spent Fuel Pool cooling system simultaneously, and has reliabilty and availability.
For reaching above object, the technical solution adopted in the utility model is: a kind of Spent Fuel Pool component cooling water system comprises the first cooling series, the second cooling series and public thermal force module.Described the first cooling system leu comprises the first cooling pump module, the first cooling heat exchanger module and the first heat of cooling load module; Described the second cooling system leu comprises the second cooling pump module, the second cooling heat exchanger module and the second heat of cooling load module.Described the first cooling pump module, described the first cooling heat exchanger module and described public thermal force module form the first chilled(cooling) water return (CWR); Described the first cooling pump module, described the first cooling heat exchanger module and described the first heat of cooling load module form the second chilled(cooling) water return (CWR); Described the second cooling pump module, the second cooling heat exchanger module and public thermal force module form the 3rd chilled(cooling) water return (CWR), and described the second cooling pump module, described the second cooling heat exchanger module and described the second heat of cooling load module form the 4th chilled(cooling) water return (CWR).
Further, described the first cooling pump module consists of two cooling pump branch circuit parallel connections, the upstream and downstream of described cooling pump is provided with isolation valve, and the exit of described cooling pump is provided with outlet non-return valve, and the porch of described cooling pump is provided with for two ripple tanks that cooling pump branch road is public.
Further, the first cooling heat exchanger module consists of two heat interchanger branch circuit parallel connections, and downstream, described heat interchanger upstream is provided with isolation valve.
Further, the first heat of cooling load module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger of at least one Spent Fuel Pool component cooling water system.
Further, described public thermal force module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger of at least one Spent Fuel Pool component cooling water system.
Further, described the second cooling pump module consists of two cooling pump branch circuit parallel connections, the upstream and downstream of described cooling pump is provided with isolation valve, and the exit of described cooling pump is provided with outlet non-return valve, and the source line of described cooling pump is provided with two ripple tanks that cooling pump branch road is public.
Further, the second cooling heat exchanger module consists of two heat interchanger branch circuit parallel connections, and downstream, described heat interchanger upstream is provided with isolation valve.
Further, the second heat of cooling load module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger of at least one Spent Fuel Pool component cooling water system.
The major advantage of the Spent Fuel Pool component cooling water system that the utility model provides: (1) this system is when nuclear power plant's refueling outage, at least two heat exchangers that can be simultaneously Spent Fuel Pool component cooling water system supply water, and have improved the cooling power of Spent Fuel Pool cooling system; (2) this system can guarantee that Spent Fuel Pool component cooling water system has a heat interchanger at least, under any operating mode of component cooling water system, obtain reliably and supply water, thereby no matter guarantee that, in nominal situation or other accidents, Spent Fuel Pool all can not lose cooling.
accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Spent Fuel Pool cooling system.
embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, the Spent Fuel Pool cooling system that the utility model provides, comprises the first cooling series, the second cooling series and public thermal force module.Described the first cooling system leu comprises the first cooling pump module, the first cooling heat exchanger module and the first heat of cooling load module; Described the second cooling system leu comprises the second cooling pump module, the second cooling heat exchanger module and the second heat of cooling load module.Described the first cooling pump module, described the first cooling heat exchanger module and described public thermal force module form the first chilled(cooling) water return (CWR); Described the first cooling pump module, described the first cooling heat exchanger module and described the first heat of cooling load module form the second chilled(cooling) water return (CWR); Described the second cooling pump module, the second cooling heat exchanger module and public thermal force module form the 3rd chilled(cooling) water return (CWR), and described the second cooling pump module, described the second cooling heat exchanger module and described the second heat of cooling load module form the 4th chilled(cooling) water return (CWR).
In sum, public thermal force module is come water pipeline and the first cooling serial return piping by the first cooling row, by the second cooling serial water pipeline and the second cooling serial return piping, access the first cooling series or the second cooling series, to realize cooling to public thermal force module of the first cooling series or the second cooling series.Adopt this technical scheme, realized this system when nuclear power plant's refueling outage, can be that at least two heat exchangers of Spent Fuel Pool component cooling water system supply water simultaneously, improved the cooling power of Spent Fuel Pool cooling system.
Wherein, the first cooling system is classified as between node N01-N02-N03-N04-N01, and the second cooling system is classified as between node N05-N06-N07-N08-N05, and public thermal force module is between node N15 to N16.
The first cooling pump module is between node N01 to N21 and N22, N21 and N22 to N02;
The first cooling heat exchanger module is between node N02 to N19;
The first heat of cooling load module is between node N11-N03-N17-N12-N11.
The second cooling pump module is between node N05 to N25 and N26, N25 and N26 to N06;
The second cooling heat exchanger module is between node N06 to N20;
The second heat of cooling load module is between node N13-N08-N18-N14-N13.
The first chilled(cooling) water return (CWR) is between node N09-N01-N02-N19-N10-N09;
The second chilled(cooling) water return (CWR) is between node N01-N02-N19-N11-N03-N04-N01;
The 3rd chilled(cooling) water return (CWR) is between node N09-N05-N19-N06-N20-N10-N09;
The 4th chilled(cooling) water return (CWR) is between node N05-N06-N20-N08-N07-N05.
The first cooling pump module consists of two cooling pump 001PO, 003PO branch circuit parallel connection, upstream and downstream at cooling pump is provided with isolation valve, the exit of cooling pump is provided with outlet non-return valve 001VN, 003VN, and the porch of cooling pump is provided with for two ripple tank 001BA that cooling pump branch road is public.Isolation valve belongs to the valve of Switch, the two states in opening or closing only exactly, and when cooling system is enabled, isolation valve is in open mode, when cooling system cuts out, isolation valve closed condition; The effect of non-return valve is only to allow medium to flow to a direction, and stop mobile in the other direction, common this valve is automatic operation, under the mobile fluid pressure action of direction, flap is opened, when fluid flows, by the flap of coincidence certainly of hydrodynamic pressure and flap, act on valve seat in the other direction, thereby cut off, flow; Ripple tank be in the closed loop of compensation water expand with heat and contract with cold and loop in possible interior leakage or leak outside, during water overfill in ripple tank, by vented exhaust and white-out water, make unnecessary water be discharged into nuclear island, its Main Function is the SEA LEVEL VARIATION of monitoring ripple tank, once there is chilled water leakage, ripple tank water level will reduce extremely, and master-control room there will be alarm.
The first cooling heat exchanger module consists of two heat interchanger 003RF, 001RF branch circuit parallel connection, and the downstream, upstream of described each heat interchanger is provided with isolation valve.
The first heat of cooling load module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger RFT001RF of at least one Spent Fuel Pool component cooling water system.
Public thermal force module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger RFT003RF of at least one Spent Fuel Pool component cooling water system.
The second cooling pump module consists of two cooling pump branch circuit parallel connections, the upstream and downstream of described cooling pump is provided with isolation valve, the exit of described cooling pump is provided with outlet non-return valve 002VN, 004VN, and described cooling pump intake piping is provided with two ripple tank 002BA that cooling pump branch road is public.Wherein, isolation valve, outlet non-return valve and ripple tank are identical with ripple tank effect with isolation valve, outlet non-return valve in the first cooling pump module.
The second cooling heat exchanger module consists of two heat interchanger 002RF, 004RF branch circuit parallel connection, and downstream, described heat interchanger upstream is provided with isolation valve.
The second heat of cooling load module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger RFT002RF of at least one Spent Fuel Pool component cooling water system.
As can be seen here, this Spent Fuel Pool component cooling water system, at least two heat exchangers that can be simultaneously Spent Fuel Pool component cooling water system supply water, and can obtain reliable water supply under any operating mode of component cooling water system, thereby guarantee no matter in nominal situation or other accidents, Spent Fuel Pool all can not lose cooling, has reliabilty and availability.
The utility model is not limited to above-mentioned embodiment, and those skilled in the art draw other embodiment according to the technical solution of the utility model, belongs to equally technological innovation scope of the present utility model.
Claims (8)
1. a Spent Fuel Pool component cooling water system, comprises the first cooling series, the second cooling series and public thermal force module; Described the first cooling system leu comprises the first cooling pump module, the first cooling heat exchanger module and the first heat of cooling load module; Described the second cooling system leu comprises the second cooling pump module, the second cooling heat exchanger module and the second heat of cooling load module, it is characterized in that: described the first cooling pump module, described the first cooling heat exchanger module and described public thermal force module form the first chilled(cooling) water return (CWR); Described the first cooling pump module, described the first cooling heat exchanger module and described the first heat of cooling load module form the second chilled(cooling) water return (CWR); Described the second cooling pump module, the second cooling heat exchanger module and public thermal force module form the 3rd chilled(cooling) water return (CWR), and described the second cooling pump module, described the second cooling heat exchanger module and described the second heat of cooling load module form the 4th chilled(cooling) water return (CWR).
2. Spent Fuel Pool component cooling water system as claimed in claim 1, it is characterized in that: described the first cooling pump module consists of two cooling pump branch circuit parallel connections, the upstream and downstream of described cooling pump is provided with isolation valve, the exit of described cooling pump is provided with outlet non-return valve, and the porch of described cooling pump is provided with for two ripple tanks that cooling pump branch road is public.
3. Spent Fuel Pool component cooling water system as claimed in claim 2, is characterized in that: the first cooling heat exchanger module consists of two heat interchanger branch circuit parallel connections, and downstream, described heat interchanger upstream is provided with isolation valve.
4. Spent Fuel Pool component cooling water system as claimed in claim 3, is characterized in that: the first heat of cooling load module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger of at least one Spent Fuel Pool component cooling water system.
5. Spent Fuel Pool component cooling water system as claimed in claim 4, is characterized in that: described public thermal force module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger of at least one Spent Fuel Pool component cooling water system.
6. the Spent Fuel Pool component cooling water system as described in any one in claim 1-5, it is characterized in that: described the second cooling pump module consists of two cooling pump branch circuit parallel connections, the upstream and downstream of described cooling pump is provided with isolation valve, the exit of described cooling pump is provided with outlet non-return valve, and the source line of described cooling pump is provided with two ripple tanks that cooling pump branch road is public.
7. Spent Fuel Pool component cooling water system as claimed in claim 6, is characterized in that: the second cooling heat exchanger module consists of two heat interchanger branch circuit parallel connections, and downstream, described heat interchanger upstream is provided with isolation valve.
8. Spent Fuel Pool component cooling water system as claimed in claim 7, is characterized in that: the second heat of cooling load module consists of the parallel connection of a plurality of thermal force equipment, comprising the heat exchanger of at least one Spent Fuel Pool component cooling water system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825142.2U CN203746436U (en) | 2013-12-13 | 2013-12-13 | Cooling water system of spent fuel water tank device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825142.2U CN203746436U (en) | 2013-12-13 | 2013-12-13 | Cooling water system of spent fuel water tank device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203746436U true CN203746436U (en) | 2014-07-30 |
Family
ID=51346206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320825142.2U Expired - Fee Related CN203746436U (en) | 2013-12-13 | 2013-12-13 | Cooling water system of spent fuel water tank device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203746436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551548A (en) * | 2016-01-25 | 2016-05-04 | 中国核电工程有限公司 | Nuclear power plant equipment cooling water system and water temperature adjusting method therefor |
| CN105911087A (en) * | 2016-06-01 | 2016-08-31 | 西安交通大学 | Large nuclear reactor molten pool natural-convection heat transfer test system and method |
-
2013
- 2013-12-13 CN CN201320825142.2U patent/CN203746436U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551548A (en) * | 2016-01-25 | 2016-05-04 | 中国核电工程有限公司 | Nuclear power plant equipment cooling water system and water temperature adjusting method therefor |
| CN105911087A (en) * | 2016-06-01 | 2016-08-31 | 西安交通大学 | Large nuclear reactor molten pool natural-convection heat transfer test system and method |
| CN105911087B (en) * | 2016-06-01 | 2019-05-07 | 西安交通大学 | A kind of large size nuclear reactor fusion pool heat transfer free convection pilot system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20201213 |