CN104835543A - Nuclear power plant reactor coolant system ejector test system - Google Patents
Nuclear power plant reactor coolant system ejector test system Download PDFInfo
- Publication number
- CN104835543A CN104835543A CN201510019453.3A CN201510019453A CN104835543A CN 104835543 A CN104835543 A CN 104835543A CN 201510019453 A CN201510019453 A CN 201510019453A CN 104835543 A CN104835543 A CN 104835543A
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- China
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- pipeline
- flange
- gas
- outlet
- power plant
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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 invention provides a nuclear power plant reactor coolant system ejector test system which includes a to-be-test ejector test unit. The ejector test unit includes a plurality of ejectors arranged parallelly, wherein the inlet of each ejector is connected to a driving gas interface flange in a one-to-one correspondence manner through a pipeline. A gas absorption chamber of each ejector is connected to a suction interface flange in a one-to-one correspondence manner through a pipeline. The outlet of each ejector is connected to the same exhaust flange through a pipeline. A plurality of pipelines connecting to the driving gas interface flanges are integrated to form a total pipeline which is connected to an outlet of a buffer pot. An inlet of the buffer pot is connected to an outlet of a gas storage pot through a pipeline. The inlet of the gas storage pot is connected to the outlet of a compressor through the pipeline. A plurality of pipelines connecting to the suction interface flanges are integrated to form a total pipeline which is connected to the outlet of a vacuum pot. The test system is used in performance test of ejectors and meanwhile in leave-factory check and acceptance test of the ejectors and corollary equipment thereof.
Description
Technical field
The present invention relates to nuclear power plant reactor coolant system, be specifically related to nuclear power plant reactor coolant system injector testing system.
Background technology
In conventional pressurized water heap nuclear power plant start-up course, main pump point flowing mode is adopted dynamically to catch up with gas to reactor coolant loop.Which requires higher to main pump, and catches up with gas effect undesirable.CAP1000 reactor coolant loop starts and adopts vacuum water-filling mode, and the air being gathered in steam generator heat-transfer pipe top utilizing which can discharge traditional approach not easily to drive out of, reduces the possibility of reactor coolant pump cavitation erosion.Pumped vacuum systems has two cases: the first adopts volumetric pump to vacuumize, and volumetric pump is a canned pump, needs to seal water; The second adopts thrower, and its drive source is pressurized air, based on its non-energy dynamic characteristic (unpowered parts) and simplification.
Chinese large-sized million kilowatt generation Ⅲ nuclear power unit, be called for short CAP1000, reactor coolant loop starts employing vacuum water-filling mode, clear and definite requirement is proposed to pumped vacuum systems, namely the pressure of reactor coolant loop can be evacuated to 0.01MPa (a) from 0.1MPa (a) in 2 hours.Need now the pilot system providing a kind of injector performance to test, to be applicable to the appearance reception test of thrower and support equipment.
Summary of the invention
The object of the present invention is to provide a kind of nuclear power plant reactor coolant system injector testing system, it is for the performance test of thrower, also can be used for the factory inspection and acceptance test of thrower and support equipment.
Realize the technical scheme of the object of the invention: a kind of nuclear power plant reactor coolant system injector testing system, it comprises injector testing unit to be tested; Described injector testing unit comprises several throwers be arranged in parallel; The entrance of each thrower to be connected one to one 1 driving gas flange by pipeline; The induction chamber of each thrower to be connected one to one 1 air-breathing flange by pipeline, and the outlet of each thrower is all by pipeline and same exhausr port Flange joint;
Several pipelines connecting driving gas flange collect formation main pipe rail and are connected with the outlet of surge tank; The main pipe rail be connected with the outlet of surge tank is provided with reduction valve, stop valve three and pressure gauge two; The pipeline of several described connection driving gas flanges is equipped with pressure gauge three, flowmeter one and stop valve four;
The entrance of surge tank is connected with the outlet of gas-holder by pipeline, and the entrance of gas-holder connects the outlet of compressor by pipeline; Compressor is used for providing driving air, and gas-holder and surge tank are for providing the pressurized air of continous-stable;
Several pipelines connecting air-breathing flange collect formation main pipe rail and are connected with the outlet of vacuum tank; The main pipe rail be connected with the outlet of vacuum tank is provided with stop valve eight, flowmeter two and pressure gauge four, this main pipe rail also separates a road vacuum breaking pipeline simultaneously, vacuum breaking pipeline is provided with stop valve seven; The pipeline of several described connection air-breathing flanges is equipped with non-return valve and stop valve five; Article one, the by-pass line with stop valve six is in parallel with the above-mentioned pipeline that several are connected air-breathing flange.
A kind of nuclear power plant reactor coolant system injector testing system as above, the compressor described in it and the tank connected pipeline of gas storage arrange stop valve one; Gas-holder and the tank connected pipeline of buffering arrange stop valve two.
A kind of nuclear power plant reactor coolant system injector testing system as above, with pressure gauge five on the vacuum tank described in it; With safety valve one and thermometer on described gas-holder; With safety valve two and pressure gauge one on described surge tank.
A kind of nuclear power plant reactor coolant system injector testing system as above, the entrance of the compressor described in it is connected with filtrator.
A kind of nuclear power plant reactor coolant system injector testing system as above, several pipelines connecting driving gas flange described in it collect formation main pipe rail and are provided with expanding test flange one.
A kind of nuclear power plant reactor coolant system injector testing system as above, several pipelines connecting air-breathing flange described in it collect formation main pipe rail and are provided with expanding test flange two.
A kind of nuclear power plant reactor coolant system injector testing system as above, the exhausr port flange described in it is connected with exhaust box by pipeline, and the pipeline of exhausr port flange also arranges expanding test flange three.
A kind of nuclear power plant reactor coolant system injector testing system as above, the injector testing unit described in it) comprise 2 ~ 3 air ejectors be arranged in parallel.
Effect of the present invention is: a kind of nuclear power plant reactor coolant system injector testing system of the present invention, and it is for the performance test of thrower, and the factory inspection and acceptance simultaneously for thrower and support equipment is tested.This pilot system is configured with high-pressure air source for providing driving air, gas-holder and surge tank are for providing the pressurized air of continous-stable, reduction valve is for regulating supply gas pressure, vacuum tank is for providing the gas of a constant volume, and manometer, thermometer, flowmeter etc. are for the test parameters of monitoring system.This pilot system is that injector testing part provides multiple air feed interface, and what be convenient to single-stage or series ejectors uses gas demand, and this system is from personnel protection angle in addition, and discharge pipe is configured with exhaust box, effectively reduces noise.
Accompanying drawing explanation
Fig. 1 is a kind of nuclear power plant reactor coolant system injector testing system schematic of the present invention.
In figure: 1. filtrator; 2. compressor; 3. stop valve one; 4. gas-holder; 5. safety valve one; 6. stop valve two; 7. surge tank; 8. safety valve two; 9. reduction valve; 10. stop valve three; 11. expanding test flanges one; 12. stop valves four; 13. flowmeters one; 14. injector testing unit; 15. driving gas flanges; 16. throwers; 17. air-breathing flanges; 18. non-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. exhausr port flanges; 27. expanding test flanges three; 28. exhaust boxs; 29. thermometers; 30. pressure gauges one; 31. pressure gauges two; 32. pressure gauges three; 33. pressure gauges four; 34. pressure gauges five.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of nuclear power plant reactor coolant system injector testing system of the present invention 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 comprises injector testing unit 14 to be tested; Described injector testing unit 14 comprises 2 throwers be arranged in parallel 16.
The entrance of each thrower 16 to be connected one to one 1 driving gas flange 15 by pipeline; The induction chamber of each thrower 16 to be connected one to one 1 air-breathing flange 17 by pipeline, and the outlet of each thrower 16 is all connected with same exhausr port flange 26 by pipeline.
Article 2, the pipeline connecting driving gas flange 15 collects formation main pipe rail and is connected with the outlet of surge tank 7; The main pipe rail be connected with the outlet of surge tank 7 is provided with reduction valve 9, stop valve 3 10 and pressure gauge 2 31.Reduction valve 9 is for regulating supply gas pressure.The pipeline of 2 described connection driving gas flanges 15 is equipped with pressure gauge 3 32, flowmeter 1 and stop valve 4 12.
The entrance of surge tank 7 is connected by the outlet of pipeline with gas-holder 4, and the entrance of gas-holder 4 connects the outlet of compressor 2 by pipeline; Compressor 2 is for providing driving air, and gas-holder 4 and surge tank 7 are for providing the pressurized air of continous-stable.
Article 2, the pipeline connecting air-breathing flange 17 collects formation main pipe rail and is connected with the outlet of vacuum tank 25; The main pipe rail be connected with the outlet of vacuum tank 25 is provided with stop valve 8 24, flowmeter 2 23 and pressure gauge 4 33, this main pipe rail also separates a road vacuum breaking pipeline simultaneously, vacuum breaking pipeline is provided with stop valve 7 21, for the pressure of recovery system.The pipeline of 2 described connection air-breathing flanges 17 is equipped with non-return valve 18 and stop valve 5 19; Article one, to be connected the pipeline of air-breathing flange 17 with above-mentioned 2 with the by-pass line of stop valve 6 20 in parallel.
The pipeline that described compressor 2 is connected with gas-holder 4 arranges stop valve 1; The pipeline that gas-holder 4 is connected with surge tank 7 arranges stop valve 26.The entrance of compressor 2 is connected with filtrator 1.
With pressure gauge 5 34 on described vacuum tank 25; With safety valve 1 and thermometer 29 on described gas-holder 4; With safety valve 28 and pressure gauge 1 on described surge tank 7.
The pipeline of 2 described connection driving gas flanges 15 collects formation main pipe rail and is provided with expanding test flange 1.The pipeline of 2 described connection air-breathing flanges 17 collects formation main pipe rail and is provided with expanding test flange 2 22.
Described exhausr port flange 26 is connected with exhaust box 28 by pipeline, and the pipeline of exhausr port flange 26 also arranges expanding test flange 3 27.
Injector testing unit 14 described in the present invention can comprise 3 or the multiple air ejectors 16 be arranged in parallel.This pilot system is configured with the vacuum tank of a constant volume, for mock-up reactor coolant system headroom.Compressor is used for providing high drive air, and gas-holder and surge tank are for providing the pressurized air of continous-stable.Non-return valve 18 not only can prevent gas backflow, reduces resistance to flow simultaneously, thus do not affect thrower vacuumize performance.By-pass line is connected air-breathing flange 17 pipeline with above-mentioned 2 is in parallel, without non-return valve on by-pass line, for the performance test of thrower and support equipment (comprising non-return valve).Surge tank outlet configuration reduction valve, for regulating supply gas pressure.Vacuum breaking pipeline is used for the pressure of recovery system.From personnel protection angle, the discharge pipe of pilot system is configured with exhaust box, effectively reduces noise.
Before the on-test of pilot system of the present invention, first by injector testing unit 14 connecting system, the impermeability of check system.Open compressor 2 to inflate, until reach setting value to gas-holder 4 and surge tank 7; Open the stop valve 7 21 that stop valve 5 19 and vacuum breaking pipeline are provided with, system and atmospheric pressure are consistent, close stop valve 7 21 subsequently; Adjustment reduction valve 9 is to setting value, and open stop valve 3 10 and stop valve 4 12, gases at high pressure enter thrower, discharges, record the pressure of each pipeline and vacuum tank simultaneously with low-pressure gas after mixing.When after off-test, close stop valve 3 10 and stop valve 4 12, and open the stop valve 7 21 that vacuum breaking pipeline is provided with, so that next time, test used.If the long run test of need, can carry out pressurize to gas-holder and surge tank, if off-test, then close compressor 2, is manually unloaded by safety valve 1 or safety valve 28 and is depressed into atmospheric pressure.
Above embodiments of the invention are explained in detail, above-mentioned embodiment is only optimum embodiment of the present invention, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (8)
1. a nuclear power plant reactor coolant system injector testing system, is characterized in that: this pilot system comprises injector testing unit (14) to be tested; Described injector testing unit (14) comprises several throwers be arranged in parallel (16); The entrance of each thrower (16) to be connected one to one 1 driving gas flange (15) by pipeline; The induction chamber of each thrower (16) to be connected one to one 1 air-breathing flange (17) by pipeline, and the outlet of each thrower (16) is all connected with same exhausr port flange (26) by pipeline;
Several pipelines connecting driving gas flange (15) collect formation main pipe rail and are connected with the outlet of surge tank (7); The main pipe rail be connected with the outlet of surge tank (7) is provided with reduction valve (9), stop valve three (10) and pressure gauge two (31); The pipeline of several described connections driving gas flange (15) is equipped with pressure gauge three (32), flowmeter one (13) and stop valve four (12);
The entrance of surge tank (7) is connected by the outlet of pipeline with gas-holder (4), and the entrance of gas-holder (4) connects the outlet of compressor (2) by pipeline; Compressor (2) is for providing driving air, and gas-holder (4) and surge tank (7) are for providing the pressurized air of continous-stable;
Several pipelines connecting air-breathing flange (17) collect formation main pipe rail and are connected with the outlet of vacuum tank (25); The main pipe rail be connected with the outlet of vacuum tank (25) is provided with stop valve eight (24), flowmeter two (23) and pressure gauge four (33), this main pipe rail also separates a road vacuum breaking pipeline simultaneously, vacuum breaking pipeline is provided with stop valve seven (21); The pipeline of several described connections air-breathing flange (17) is equipped with non-return valve (18) and stop valve five (19); Article one, the by-pass line with stop valve six (20) is in parallel with the above-mentioned pipeline that several are connected air-breathing flange (17).
2. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, is characterized in that: the pipeline that described compressor (2) is connected with gas-holder (4) arranges stop valve one (3); The pipeline that gas-holder (4) is connected with surge tank (7) arranges stop valve two (6).
3. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, is characterized in that: with pressure gauge five (34) on described vacuum tank (25); With safety valve one (5) and thermometer (29) on described gas-holder (4); With safety valve two (8) and pressure gauge one (30) on described surge tank (7).
4. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, is characterized in that: the entrance of described compressor (2) is connected with filtrator (1).
5. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, is characterized in that: several described pipelines connecting driving gas flange (15) collect formation main pipe rail and are provided with expanding test flange one (11).
6. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, is characterized in that: several described pipelines connecting air-breathing flange (17) collect formation main pipe rail and are provided with expanding test flange two (22).
7. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, it is characterized in that: described exhausr port flange (26) is connected with exhaust box (28) by pipeline, and the pipeline of exhausr port flange (26) also arranges expanding test flange three (27).
8. a kind of nuclear power plant reactor coolant system injector testing system according to claim 1, is characterized in that: described injector testing unit (14) comprises 2 ~ 3 air ejectors be 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 |
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| 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 true CN104835543A (en) | 2015-08-12 |
| CN104835543B 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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Cited By (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 |
| CN109915345A (en) * | 2019-04-23 | 2019-06-21 | 山东大学 | A kind of compressed-air energy-storage system and method with injector multilevel optimization |
| 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 |
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Cited By (4)
| 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 |
| CN109915345A (en) * | 2019-04-23 | 2019-06-21 | 山东大学 | A kind of compressed-air energy-storage system and method with injector multilevel optimization |
| 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 |
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| CN104835543B (en) | 2017-05-31 |
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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. |
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