CN206541629U - A kind of voltage-stablizer spraying system of nuclear power station - Google Patents
A kind of voltage-stablizer spraying system of nuclear power station Download PDFInfo
- Publication number
- CN206541629U CN206541629U CN201621057944.3U CN201621057944U CN206541629U CN 206541629 U CN206541629 U CN 206541629U CN 201621057944 U CN201621057944 U CN 201621057944U CN 206541629 U CN206541629 U CN 206541629U
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- China
- Prior art keywords
- stablizer
- spraying
- voltage
- pump
- nuclear power
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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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- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model provides a kind of voltage-stablizer spraying system of nuclear power station, and it includes：Reactor coolant pump, it is configured to provide spraying；And steam jet pump spraying loop, it is configured to when reactor coolant pump is stopped transport and spraying is provided.The voltage-stablizer spraying system for the nuclear power station that the utility model is provided, on the basis of traditional nuclear power station provides spraying using reactor coolant pump, adds steam jet pump spraying loop；When reactor coolant pump is out of service, the saturated vapor provided by voltage-stablizer as jet pump driving source, jet pump absorbs water for cold section from reactor coolant pipe, injection voltage-stablizer air space after boosted, so as to realize the purpose of reduction voltage-stablizer pressure, spraying system can therefore still can use in the case of some dead electricity, the reliability of spraying system is greatly increased.
Description
Technical field
The utility model is related to a kind of voltage-stablizer spraying system of nuclear power station.
Background technology
The voltage-stablizer spraying system of nuclear power station is an important subsystem of reactor coolant loop, and the system is normal
During operation, by by subcooled water penetrating voltage-stablizer air space, making steam condensation realize the purpose of decompression, so as to add with voltage-stablizer electricity
Hot device maintains the pressure of primary Ioops in the traffic coverage of permission together.In addition, voltage-stablizer is sprayed at, particular incident operation is lower to be provided
The ability of control system pressure, pressurizer safety valve that such as spraying function helps to prevent under overpressure events is opened.Tradition pressure
The voltage-stablizer spraying system of water-water reactor nuclear power station includes from the cold section of extraction of two reactor coolants and is connected to the parallel of voltage-stablizer
Branch road, they enter a thick house steward after merging and spraying are sent at the top of voltage-stablizer.When reactor coolant pump is out of service
When, driving force is just lost, that is, loses spraying function.
Utility model content
The utility model in view of the shortcomings of the prior art, proposes a kind of voltage-stablizer spraying system of nuclear power station.
The voltage-stablizer spraying system of nuclear power station includes：
Reactor coolant pump, it is configured to provide spraying；And
Steam jet pump spraying loop, is configured to when reactor coolant pump is stopped transport and provides spraying.
Preferably, the driving steam-return line of jet pump is included, it draws from pressurizer safety valve discharge of steam pipeline.
Preferably, the driving steam-return line of the jet pump sets steam control valve.
Preferably, the water inlet of jet pump comes from cold section of reactor coolant pipe, and sets check-valves.
Preferably, in addition to pump head, there is provided driving force and through spray when it is configured to reactor coolant pump operation
Penetrate pump loop and voltage-stablizer spraying is provided.
Compared with prior art, the utility model has the advantages that：
1st, the voltage-stablizer spraying system for the nuclear power station that the utility model is provided, reactor coolant is utilized in traditional nuclear power station
Pump is provided on the basis of spraying, adds steam jet pump spraying loop；When reactor coolant pump is out of service, by voltage stabilizing
The saturated vapor that device is provided as jet pump driving source, jet pump from the water suction of cold section of reactor coolant pipe, it is boosted after
Voltage-stablizer air space is injected, so as to realize the purpose of reduction voltage-stablizer pressure, therefore spraying system can be made in some dead electricity feelings
It still can use under condition, greatly increase the reliability of spraying system.
Brief description of the drawings
The voltage-stablizer spraying system general flow chart for the nuclear power station that Fig. 1 provides for the utility model.
Wherein, 1-reactor pressure vessel；2-reactor coolant pipe hot arc；3-Surge line piping；4-voltage-stablizer；
5-release pipeline；6-safety valve；7-steam jet pump steam inlet pipe line；8-steam jet pump enters steam control valve；9-steam sprays
Penetrate pump；10-spraying pipeline；11-spraying regulating valve；12-fog-spray nozzle；13-injection pump water inlet check-valves；14-jet pump enters
Water pipeline；15-reactor coolant pump；Cold section of 16-reactor coolant pipe.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
As shown in figure 1, the voltage-stablizer spraying system of nuclear power station includes：Reactor coolant pump, it is configured to provide spray
Mist；And steam jet pump spraying loop, it is configured to when reactor coolant pump is stopped transport and spraying is provided.The voltage-stablizer of nuclear power station
Spraying system also includes the driving steam-return line of jet pump, and it draws from pressurizer safety valve discharge of steam pipeline.The injection
The driving steam-return line of pump sets steam control valve.The water inlet of jet pump comes from cold section of reactor coolant pipe, and setting stops
Return valve.The voltage-stablizer spraying system of nuclear power station also include pump head, its be configured to reactor coolant pump operation when there is provided
Driving force simultaneously provides voltage-stablizer spraying through spraying pump loop.
The voltage-stablizer spraying system of nuclear power station is arranged in the containment of reactor, including steam inlet pipe line, back with water inlet line and
Spraying pipeline.Under normal operation, steam jet pump enters steam control valve 8 and closed, and spraying is provided by reactor coolant pump 15
Driving force, cold section of fluid remains steady by steam jet pump 9, spraying regulating valve 11 and the injection voltage-stablizer air space of fog-spray nozzle 12
Depressor pressure.
When occurring to lose normal communication power supply, reactor coolant pump is stopped transport, and when needing the voltage-stablizer to be depressured, steam injection
Pump enters steam control valve 8 and opened, and the saturated vapor of voltage-stablizer air space enters steam jet pump 9 through steam jet pump steam inlet pipe line 7,
After the fluid suction mixing boosting in cold section 16 of reactor coolant pipe, through spraying regulating valve 11 and fog-spray nozzle 12 injects surely
Depressor air space, realizes the purpose of reduction voltage-stablizer pressure.Enter steam control valve 8 and spraying regulating valve by adjusting steam jet pump
11 adjustable spraying flows.
Said process is provided in traditional nuclear power station using reactor coolant pump on the basis of spraying, adds steam injection
Pump spraying loop, the saturated vapor provided by voltage-stablizer is as the driving source of jet pump, and jet pump is from reactor coolant pipe
Cold section of water suction, boosted rear injection voltage-stablizer air space, so that spraying still can be provided when reactor coolant pump is stopped transport,
The purpose of reduction voltage-stablizer pressure is realized, spraying system is still can use in the case of some dead electricity, greatly increases spraying system
Reliability.
Compared with prior art, the present embodiment has the advantages that：
1st, the voltage-stablizer spraying system for the nuclear power station that the present embodiment is provided, reactor coolant pump is utilized in traditional nuclear power station
There is provided on the basis of spraying, add steam jet pump spraying loop；When reactor coolant pump is out of service, by voltage-stablizer
The saturated vapor of offer is as the driving source of jet pump, and jet pump absorbs water for cold section from reactor coolant pipe, boosted to note afterwards
Enter voltage-stablizer air space, so as to realize the purpose of reduction voltage-stablizer pressure, therefore spraying system can be made in some dead electricity situations
Under still can use, greatly increase the reliability of spraying system.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.For system disclosed in embodiment
For, due to corresponding to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
Those skilled in the art can realize described function to each specific application using distinct methods, but
It is this realize it is not considered that beyond scope of the present utility model.
Obviously, those skilled in the art can be new without departing from this practicality to the various changes of utility model progress and modification
The spirit and scope of type.So, if these modifications and variations of the present utility model belong to the utility model claim and its
Within the scope of equivalent technologies, then the utility model is also intended to including these changes and modification.
Claims (5)
1. a kind of voltage-stablizer spraying system of nuclear power station, it is characterised in that including：
Reactor coolant pump, it is configured to provide spraying；And
Steam jet pump spraying loop, is configured to when reactor coolant pump is stopped transport and provides spraying.
2. the voltage-stablizer spraying system of nuclear power station according to claim 1, it is characterised in that the also driving including jet pump
Steam-return line, it draws from pressurizer safety valve discharge of steam pipeline.
3. the voltage-stablizer spraying system of nuclear power station according to claim 2, it is characterised in that the driving of the jet pump is steamed
Vapour loop sets steam control valve.
4. the voltage-stablizer spraying system of nuclear power station according to claim 1, it is characterised in that the water inlet of jet pump comes reflexive
Cold section of reactor coolant pipeline is answered, and check-valves is set.
5. the voltage-stablizer spraying system of nuclear power station according to claim 1, it is characterised in that also including pump head, it is passed through
Configuration with when reactor coolant pump is run there is provided driving force and through spray pump loop provide voltage-stablizer spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057944.3U CN206541629U (en) | 2016-09-14 | 2016-09-14 | A kind of voltage-stablizer spraying system of nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621057944.3U CN206541629U (en) | 2016-09-14 | 2016-09-14 | A kind of voltage-stablizer spraying system of nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206541629U true CN206541629U (en) | 2017-10-03 |
Family
ID=59937806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621057944.3U Active CN206541629U (en) | 2016-09-14 | 2016-09-14 | A kind of voltage-stablizer spraying system of nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206541629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806808A (en) * | 2018-07-11 | 2018-11-13 | 上海核工程研究设计院有限公司 | A kind of stub (tube) with supporting block formula main pipeline |
| CN113421667A (en) * | 2021-05-10 | 2021-09-21 | 中广核研究院有限公司 | Reactor primary loop spraying system |
-
2016
- 2016-09-14 CN CN201621057944.3U patent/CN206541629U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806808A (en) * | 2018-07-11 | 2018-11-13 | 上海核工程研究设计院有限公司 | A kind of stub (tube) with supporting block formula main pipeline |
| CN113421667A (en) * | 2021-05-10 | 2021-09-21 | 中广核研究院有限公司 | Reactor primary loop spraying system |
| WO2022237216A1 (en) * | 2021-05-10 | 2022-11-17 | 中广核研究院有限公司 | Reactor primary circuit spray system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |