CN104835543B - A kind of nuclear power plant reactor coolant system injector testing system - Google Patents
A kind of nuclear power plant reactor coolant system injector testing system Download PDFInfo
- Publication number
- CN104835543B CN104835543B CN201510019453.3A CN201510019453A CN104835543B CN 104835543 B CN104835543 B CN 104835543B CN 201510019453 A CN201510019453 A CN 201510019453A CN 104835543 B CN104835543 B CN 104835543B
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- Prior art keywords
- pipeline
- injector
- flange
- outlet
- air
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/028—Devices or arrangements for monitoring coolant or moderator for monitoring gaseous coolants
-
- 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 present invention provides a kind of nuclear power plant reactor coolant system injector testing system, and it includes injector testing unit to be tested；The injector that described injector testing unit is arranged in parallel including several；The entrance of each injector is connected one to one 1 by pipeline and drives gas flange；The induction chamber of each injector is connected one to one 1 air-breathing flange by pipeline, and the outlet of each injector is connected by pipeline with same exhaust outlet flange；Several connections drive pipelines of gas flanges to collect to form a main pipe rail and be connected with the outlet of surge tank；The entrance of surge tank is connected by pipeline with the outlet of air accumulator, and the entrance of air accumulator connects the outlet of compressor by pipeline；Pipelines of several connection air-breathing flanges collect to form a main pipe rail and be connected with the outlet of vacuum tank.Pilot system of the present invention is used for the performance test of injector, while for the factory inspection and acceptance experiment of injector and corollary equipment.
Description
Technical field
The present invention relates to nuclear power plant reactor coolant system, and in particular to nuclear power plant reactor coolant system injector
Pilot system.
Background technology
In conventional pressurized water heap nuclear power plant start-up course, Mobile state is entered to reactor coolant loop using main pump point flowing mode
Catch up with gas.Which is higher to main pump requirement, and catches up with gas effect undesirable.CAP1000 reactor coolant loops start using true
Empty water-filling mode, the sky being gathered at the top of steam generator heat-transfer pipe that traditional approach is difficult to drive out of can be discharged using which
Gas, reduces the possibility of reactor coolant pump cavitation erosion.Pumped vacuum systems has two cases：The first is vacuumized using displacement pump,
Displacement pump is a canned pump, it is necessary to seal water；Second is to use injector, and its driving source is compressed air, non-based on its
Can dynamic characteristic (unpowered part) and simplification.
Chinese large-sized million kilowatt generation Ⅲ nuclear power unit, abbreviation CAP1000, reactor coolant loop starts use
Vacuum water-filling mode, proposes to pumped vacuum systems and clearly requires, i.e., 2 hours interior energies are by the pressure of reactor coolant loop
0.01MPa (a) is evacuated to from 0.1MPa (a).Need to provide a kind of pilot system of injector performance experiment now, to be applicable
In injector and the appearance acceptance test of corollary equipment.
The content of the invention
It is an object of the invention to provide a kind of nuclear power plant reactor coolant system injector testing system, it is used to spray
The performance test of emitter, it can also be used to the factory inspection and acceptance experiment of injector and corollary equipment.
Realize the technical scheme of the object of the invention：A kind of nuclear power plant reactor coolant system injector testing system, its
Including injector testing unit to be tested；The injector that described injector testing unit is arranged in parallel including several；Often
The entrance of individual injector is connected one to one 1 by pipeline and drives gas flange；The induction chamber of each injector passes through
Pipeline connects one to one 1 air-breathing flange, and the outlet of each injector passes through pipeline and same exhaust outlet flange
Connection；
Several connections drive pipelines of gas flanges to collect to form a main pipe rail and be connected with the outlet of surge tank；
Pressure-reducing valve, stop valve three and pressure gauge two are provided with the main pipe rail that the outlet with surge tank is connected；Several described connections
Pressure gauge three, flowmeter one and stop valve four are equipped with the pipeline for driving gas flange；
The entrance of surge tank is connected by pipeline with the outlet of air accumulator, and the entrance of air accumulator connects compressor by pipeline
Outlet；Compressor is used to provide driving air, and air accumulator and surge tank are used to provide the compressed air of continuous-stable；
Pipelines of several connection air-breathing flanges collect to form a main pipe rail and be connected with the outlet of vacuum tank；With
The main pipe rail that the outlet of vacuum tank is connected is provided with stop valve eight, flowmeter two and pressure gauge four, while also dividing on the main pipe rail
Go out vacuum breaking pipeline all the way, stop valve seven is provided with vacuum breaking pipeline；Several described connection air-breathing flanges
Pipeline on be equipped with check-valves and stop valve five；One the by-pass line with stop valve six is connected air-breathing with above-mentioned several
The pipeline of flange is in parallel.
A kind of nuclear power plant reactor coolant system injector testing system as described above, compressor and storage described in it
Stop valve one is set on the tank connected pipeline of gas；Stop valve two is set on air accumulator and the tank connected pipeline of buffering.
A kind of nuclear power plant reactor coolant system injector testing system as described above, the vacuum tank upper band described in it
There is pressure gauge five；Safety valve one and thermometer are carried on described air accumulator；With safety valve two and pressure on described surge tank
Power meter one.
A kind of nuclear power plant reactor coolant system injector testing system as described above, compressor described in it enters
Mouth is connected with filter.
A kind of nuclear power plant reactor coolant system injector testing system as described above, several connections described in it
The pipeline of gas flange is driven to collect to form a main pipe rail and be provided with expanding test flange one.
A kind of nuclear power plant reactor coolant system injector testing system as described above, several connections described in it
The pipeline of air-breathing flange collects to form a main pipe rail and be provided with expanding test flange two.
A kind of nuclear power plant reactor coolant system injector testing system as described above, the exhaust outlet flange described in it
It is connected with muffler by pipeline, expanding test flange three is also set up on the pipeline of exhaust outlet flange.
A kind of nuclear power plant reactor coolant system injector testing system as described above, the injector testing described in it
Unit) include 2~3 air ejectors being arranged in parallel.
Effect of the invention is that：A kind of nuclear power plant reactor coolant system injector testing system of the present invention
System, its performance test for being used for injector, while for the factory inspection and acceptance experiment of injector and corollary equipment.The pilot system is matched somebody with somebody
Put high-pressure air source for provide drive air, air accumulator and surge tank are for providing the compressed air of continuous-stable, pressure-reducing valve
For adjusting supply gas pressure, vacuum tank is used to provide the gas of a constant volume, manometer, thermometer, flowmeter etc. for supervising
The test parameters of examining system.The pilot system multiple air feed interfaces for injector testing part is provided, are easy to single-stage or multistage spray
Emitter uses gas demand, and in addition the system is configured with muffler from personnel protection angle on outlet line, effectively reduces
Noise.
Brief description of the drawings
Fig. 1 is a kind of nuclear power plant reactor coolant system injector testing system schematic of the present invention.
In figure：1. filter；2. compressor；3. stop valve one；4. air accumulator；5. safety valve one；6. stop valve two；7. delay
Rush tank；8. safety valve two；9. pressure-reducing valve；10. stop valve three；11. expanding test flanges one；12. stop valves four；13. streams
Gauge one；14. injector testing units；15. drive gas flange；16. injectors；17. air-breathing flanges；18. stop
Return valve；19. stop valves five；20. stop valves six；21. stop valves seven；22. expanding test flanges two；23. flowmeters two；
24. stop valves eight；25. vacuum tanks；26. exhaust outlet flanges；27. expanding test flanges three；28. mufflers；29. temperature
Meter；30. pressure gauges one；31. pressure gauges two；32. pressure gauges three；33. pressure gauges four；34. pressure gauges five.
Specific embodiment
A kind of nuclear power plant reactor coolant system of the present invention is sprayed with specific embodiment below in conjunction with the accompanying drawings
Device pilot system is further described.
As shown in figure 1, a kind of nuclear power plant reactor coolant system injector testing system of the present invention, it includes
Injector testing unit 14 to be tested；Described injector testing unit 14 includes 2 injectors 16 being arranged in parallel.
The entrance of each injector 16 is connected one to one 1 by pipeline and drives gas flange 15；Each injection
The induction chamber of device 16 is connected one to one 1 air-breathing flange 17 by pipeline, and the outlet of each injector 16 is by pipe
Road is connected with same exhaust outlet flange 26.
2 connections drive the pipeline of gas flanges 15 to collect to form a main pipe rail and be connected with the outlet of surge tank 7；
Pressure-reducing valve 9, stop valve 3 10 and pressure gauge 2 31 are provided with the main pipe rail that the outlet with surge tank 7 is connected.Pressure-reducing valve 9 is used for
Regulation supply gas pressure.2 described connections to drive and be equipped with pressure gauge 3 32, flowmeter one on the pipeline of gas flange 15
13 and stop valve 4 12.
The entrance of surge tank 7 is connected by pipeline with the outlet of air accumulator 4, and the entrance of air accumulator 4 is connected by pipeline presses
The outlet of contracting machine 2；Compressor 2 is used to provide driving air, and the compression that air accumulator 4 and surge tank 7 are used to provide continuous-stable is empty
Gas.
The pipeline of 2 connection air-breathing flanges 17 collects to form a main pipe rail and be connected with the outlet of vacuum tank 25；
The main pipe rail being connected with the outlet of vacuum tank 25 is provided with stop valve 8 24, flowmeter 2 23 and pressure gauge 4 33, while this is total
Vacuum breaking pipeline all the way is also separated on pipeline, stop valve 7 21 is provided with vacuum breaking pipeline, for the pressure of recovery system
Power.Check-valves 18 and stop valve 5 19 are equipped with 2 described pipelines of connection air-breathing flange 17；One with cut-off
The by-pass line of valve 6 20 is in parallel with above-mentioned 2 pipelines for being connected air-breathing flange 17.
Stop valve 1 is set on the pipeline that described compressor 2 is connected with air accumulator 4；Air accumulator 4 is connected with surge tank 7
Pipeline on set stop valve 26.The entrance of compressor 2 is connected with filter 1.
Pressure gauge 5 34 is carried on described vacuum tank 25；Safety valve 1 and thermometer are carried on described air accumulator 4
29；Safety valve 28 and pressure gauge 1 are carried on described surge tank 7.
Described 2 connections drive the pipeline of gas flanges 15 to collect to form a main pipe rail and be provided with expanding test
Flange 1.The pipeline of described 2 connection air-breathings flanges 17 collects to form a main pipe rail and be provided with extension examination
Test flange 2 22.
Described exhaust outlet flange 26 is connected by pipeline with muffler 28, is also set up on the pipeline of exhaust outlet flange 26
Expanding test flange 3 27.
Heretofore described injector testing unit 14 can include the air ejector that 3 or multiple are arranged in parallel
16.The pilot system is configured with the vacuum tank of a constant volume, for mock-up reactor coolant system headroom.Compressor is used for
High drive air is provided, air accumulator and surge tank are used to provide the compressed air of continuous-stable.Check-valves 18 not only can in case
Only gas backflow, while reducing flow resistance, performance is vacuumized from without influence injector.By-pass line and above-mentioned 2 companies
The pipeline for connecing air-breathing flange 17 is in parallel, without check-valves on by-pass line, for injector and corollary equipment (including non-return
Valve) performance test.Surge tank outlet one pressure-reducing valve of configuration, for adjusting supply gas pressure.Vacuum breaking pipeline is used to recover
The pressure of system.From personnel protection angle, muffler is configured with the outlet line of pilot system, effectively reduces and make an uproar
Sound.
Before the on-test of pilot system of the present invention, first by the access system of injector testing unit 14, the gas of inspection system
Close property.Open compressor 2 to be inflated to air accumulator 4 and surge tank 7, until reaching setting value；Open stop valve 5 19 and vacuum is broken
The stop valve 7 21 that bad pipeline is provided with, makes system be consistent with atmospheric pressure, is then turned off stop valve 7 21；Adjustment pressure-reducing valve
9 arrive setting value, open stop valve 3 10 and stop valve 4 12, and gases at high pressure enter injector, are discharged after mixing with low-pressure gas,
The pressure of each pipeline and vacuum tank is recorded simultaneously.After off-test, stop valve 3 10 and stop valve 4 12 are closed, and open true
The stop valve 7 21 that sky destruction pipeline is provided with, so that experiment next time is used.If needing long run test, can be to air accumulator and buffering
Tank carries out pressurize, if off-test, close compressor 2 carries out manual release by safety valve 1 or safety valve 28
To atmospheric pressure.
Embodiments of the invention are explained in detail above, above-mentioned implementation method is only most highly preferred embodiment of the invention,
But the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, can also be
Do not depart from the premise of present inventive concept that various changes can be made.
Claims (8)
1. a kind of nuclear power plant reactor coolant system injector testing system, it is characterised in that：The pilot system includes waiting to try
The injector testing unit (14) tested；The injector that described injector testing unit (14) is arranged in parallel including several
(16)；The entrance of each injector (16) is connected one to one 1 by pipeline and drives gas flange (15)；Each injection
The induction chamber of device (16) is connected one to one 1 air-breathing flange (17) by pipeline, and the outlet of each injector (16) is equal
It is connected with same exhaust outlet flange (26) by pipeline；
Several connections drive the pipeline of gas flange (15) to collect the outlet phase to form a main pipe rail and surge tank (7)
Even；Pressure-reducing valve (9), stop valve three (10) and pressure gauge two (31) are provided with the main pipe rail that the outlet with surge tank (7) is connected；
Described several connections drive be equipped with the pipeline of gas flange (15) pressure gauge three (32), flowmeter one (13) and
Stop valve four (12)；
The entrance of surge tank (7) is connected by pipeline with the outlet of air accumulator (4), and the entrance of air accumulator (4) is connected by pipeline
The outlet of compressor (2)；Compressor (2) drives air for providing, and air accumulator (4) and surge tank (7) are continuous steady for providing
Fixed compressed air；
Pipelines of several connections air-breathing flange (17) collect to form a main pipe rail and be connected with the outlet of vacuum tank (25)；
Stop valve eight (24), flowmeter two (23) and pressure gauge four are provided with the main pipe rail that the outlet with vacuum tank (25) is connected
(33), while also separating vacuum breaking pipeline all the way on the main pipe rail, stop valve seven (21) is provided with vacuum breaking pipeline；Institute
Check-valves (18) and stop valve five (19) are equipped with the pipeline of several connections air-breathing flange (17) stated；One carries
The by-pass line of stop valve six (20) with it is above-mentioned several be connected air-breathing flange (17) pipeline it is in parallel.
2. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, it is characterised in that：
Stop valve one (3) is set on the pipeline that described compressor (2) is connected with air accumulator (4)；Air accumulator (4) is with surge tank (7) even
Stop valve two (6) is set on the pipeline for connecing.
3. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, it is characterised in that：
Pressure gauge five (34) is carried on described vacuum tank (25)；Safety valve one (5) and thermometer are carried on described air accumulator (4)
(29)；Safety valve two (8) and pressure gauge one (30) are carried on described surge tank (7).
4. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, it is characterised in that：
The entrance of described compressor (2) is connected with filter (1).
5. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, it is characterised in that：
Described several connections drive pipelines of gas flange (15) to collect to form a main pipe rail and be provided with expanding test and connect
Mouth flange one (11).
6. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, it is characterised in that：
Pipelines of described several connections air-breathing flange (17) collect to form a main pipe rail and be provided with expanding test interface method
Blue two (22).
7. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, it is characterised in that：
Described exhaust outlet flange (26) is connected by pipeline with muffler (28), and expansion is also set up on the pipeline of exhaust outlet flange (26)
Exhibition test interface flange three (27).
8. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, it is characterised in that：
Described injector testing unit (14) includes 2~3 air ejectors being arranged in parallel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510019453.3A CN104835543B (en) | 2015-01-14 | 2015-01-14 | A kind of nuclear power plant reactor coolant system injector testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510019453.3A CN104835543B (en) | 2015-01-14 | 2015-01-14 | A kind of nuclear power plant reactor coolant system injector testing system |
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| CN104835543A CN104835543A (en) | 2015-08-12 |
| CN104835543B true CN104835543B (en) | 2017-05-31 |
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| CN201510019453.3A Active CN104835543B (en) | 2015-01-14 | 2015-01-14 | A kind of nuclear power plant reactor coolant system injector testing system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805553A (en) * | 2016-05-06 | 2016-07-27 | 上海核工程研究设计院 | Emergency meeting compressed air system of nuclear power station |
| CN109915345B (en) * | 2019-04-23 | 2020-01-10 | 山东大学 | Multi-stage optimization compressed air energy storage system with ejector and method |
| CN110853780A (en) * | 2019-11-21 | 2020-02-28 | 中国核动力研究设计院 | Experimental device for simulating loop characteristic of natural circulation reactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202673653U (en) * | 2012-04-28 | 2013-01-16 | 常州科兴铁路装备有限公司 | Air compressor vacuum pump overall performance experimental table |
| CN203796595U (en) * | 2014-04-01 | 2014-08-27 | 广东省佛山水泵厂有限公司 | Air ejector control system in water ring vacuum pump unit |
| CN203822383U (en) * | 2014-04-21 | 2014-09-10 | 深圳市品川新智科技发展有限公司 | Air energy engine |
| CN204390751U (en) * | 2015-01-14 | 2015-06-10 | 上海核工程研究设计院 | A kind of nuclear power plant reactor coolant system injector testing system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0480695A (en) * | 1990-07-23 | 1992-03-13 | Toshiba Corp | Turbine apparatus for reactor core isolation cooling system |
| KR100241142B1 (en) * | 1996-04-01 | 2000-02-01 | 이종훈 | An automatic sample extraction apparatus using air ejector |
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2015
- 2015-01-14 CN CN201510019453.3A patent/CN104835543B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202673653U (en) * | 2012-04-28 | 2013-01-16 | 常州科兴铁路装备有限公司 | Air compressor vacuum pump overall performance experimental table |
| CN203796595U (en) * | 2014-04-01 | 2014-08-27 | 广东省佛山水泵厂有限公司 | Air ejector control system in water ring vacuum pump unit |
| CN203822383U (en) * | 2014-04-21 | 2014-09-10 | 深圳市品川新智科技发展有限公司 | Air energy engine |
| CN204390751U (en) * | 2015-01-14 | 2015-06-10 | 上海核工程研究设计院 | A kind of nuclear power plant reactor coolant system injector testing system |
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Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Patentee after: XUANDA INDUSTRIAL GROUP Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee before: XUANDA INDUSTRIAL GROUP Co.,Ltd. Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee after: XUANDA INDUSTRIAL GROUP Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Patentee before: XUANDA INDUSTRIAL GROUP Co.,Ltd. |