CN113436761A - Passive containment cooling test system - Google Patents
Passive containment cooling test system Download PDFInfo
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- CN113436761A CN113436761A CN202110703656.XA CN202110703656A CN113436761A CN 113436761 A CN113436761 A CN 113436761A CN 202110703656 A CN202110703656 A CN 202110703656A CN 113436761 A CN113436761 A CN 113436761A
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/001—Mechanical simulators
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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 invention discloses a passive containment cooling test system which comprises a containment simulator, a spraying system, a cooling water tank, a first cooling heat exchanger and a second cooling heat exchanger, wherein the containment simulator is respectively communicated with a helium gas supply pipeline, a compressed air supply pipeline and a steam supply pipeline; the first cooling heat exchanger is arranged in the containment simulation body; a cold source inlet of the first cooling heat exchanger is communicated with the cooling water tank through a first pipeline, and a cold source outlet of the first cooling heat exchanger is communicated with a gas disperser arranged in the cooling water tank through a second pipeline; the second cooling heat exchanger is arranged in the cooling water tank, a heat source inlet of the second cooling heat exchanger is communicated with the steam space of the containment shell simulation body through a third pipeline, and a heat source outlet of the second cooling heat exchanger is communicated with the interior of the containment shell simulation body through a fourth pipeline; valves are respectively arranged on the pipelines. The invention has the beneficial effects that: the passive containment cooling system can simulate various working conditions and evaluate the operation conditions of the passive containment cooling system under various disclosures.
Description
Technical Field
The invention relates to the field of environmental temperature and pressure control tests of containment vessels (reactor cabins) of nuclear facilities (including nuclear power plants, floating power stations and the like), in particular to a passive containment vessel cooling test system.
Background
After a high-energy pipeline breach (such as a loss of coolant accident and a steam pipeline fracture accident) occurs in the containment vessel, high-temperature and high-pressure fluid is sprayed and enters the containment vessel, heat release exists in the containment vessel for a long time along with the investment of special safety facilities such as safety injection and the like, and the containment vessel needs to be cooled for a long time in order to prevent the failure of a pressure-bearing boundary caused by overpressure of the containment vessel (a reactor cabin). Under the condition of the accident of the superposition of the reliable power supply loss, active cooling systems such as spraying and the like cannot effectively operate, so that long-term heat removal in a containment under the condition of the accident of the superposition of the reliable power supply loss of the high-energy pipeline break is realized by arranging a passive containment cooling system for some nuclear facilities such as Hualong I, ESBWR and the like, and the safety characteristic of the system is improved.
In order to ensure that the passive containment cooling system can meet the long-term reliable heat removal requirement in the containment after an accident, the operation characteristics, influence factors and the like of the passive containment cooling system need to be analyzed and evaluated. The existing passive containment cooling system test beds related to internationally, such as PUMA, PANDA and the like, mainly aim at the operating characteristics of a specific type of system design under different influence factors, and cannot carry out multi-system design comparison. Therefore, a set of test bed capable of carrying out comprehensive test analysis on the passive containment cooling system is urgently needed to be designed, and characteristics of a multi-system design scheme under different system operation influence factors are researched.
Disclosure of Invention
The invention aims to provide a passive containment cooling test system which can simulate various working conditions and carry out comprehensive test analysis on the passive containment cooling system, aiming at the defects of the prior art.
The technical scheme adopted by the invention is as follows: a passive containment cooling test system comprises a containment simulation body, a spraying system, a cooling water tank, a first cooling heat exchanger and a second cooling heat exchanger, wherein the containment simulation body is respectively communicated with a helium gas supply pipeline, a compressed air supply pipeline and a steam supply pipeline; the first cooling heat exchanger is arranged in the containment simulation body; a cold source inlet of the first cooling heat exchanger is communicated with the cooling water tank through a first pipeline, and a cold source outlet of the first cooling heat exchanger is communicated with a gas disperser arranged in the cooling water tank through a second pipeline; the second cooling heat exchanger is arranged in the cooling water tank, a heat source inlet of the second cooling heat exchanger is communicated with the steam space of the containment shell simulation body through a third pipeline, and a heat source outlet of the second cooling heat exchanger is communicated with the interior of the containment shell simulation body through a fourth pipeline; valves are respectively arranged on the pipelines.
According to the scheme, the second pipeline is communicated with the third pipeline through a sixth pipeline, and a second switching isolation valve is arranged on the sixth pipeline; and the first pipeline is communicated with the fourth pipeline through a seventh pipeline, and a fourth switching isolation valve is arranged on the seventh pipeline.
According to the scheme, the passive containment cooling test system further comprises a condensate collecting tank, the condensate collecting tank is communicated with the cooling water tank through a fifth pipeline, and a water tank drain valve and a water replenishing valve are sequentially arranged on the fifth pipeline along the fluid flowing direction; the top of the condensate collecting tank is provided with a second safety valve, the top of the condensate collecting tank is provided with a second discharge pipeline, and a second drain valve is installed on the second discharge pipeline.
According to the scheme, one end of an eighth pipeline is communicated with the fifth pipeline, and the other end of the eighth pipeline is communicated with the bottom of the containment simulator; and a water replenishing isolation valve is arranged on the eighth pipeline.
According to the scheme, the lower part of the first cooling heat exchanger is provided with the condensed water collecting device, the condensed water collecting device is communicated with an external condensed water collecting pipeline, and a condensed water isolating valve and a drain valve are sequentially arranged on the condensed water collecting pipeline along the fluid flowing direction.
According to the scheme, the passive containment cooling test system is further provided with a spray assembly, the spray assembly comprises a spray pump and a spray head, the spray head is installed at the inner top of the containment simulator, a water inlet of the spray head is communicated with an outlet of the spray pump through a first spray pipeline, and an inlet of the spray pump is communicated with the bottom of the cooling water tank through a second spray pipeline; and the first spraying pipeline is provided with a spraying isolation valve, and the second spraying pipeline is provided with a spraying water tank isolation valve.
According to the scheme, the cooling water tank is further provided with a circulating water pump and a water tank heat exchanger, an inlet of the circulating water pump is communicated with the second spraying pipeline through the spraying water taking isolation valve, an outlet of the circulating water pump is communicated with a first fluid inlet of the water tank heat exchanger through a first branch, and an outlet of the circulating water pump is communicated with the bottom of the cooling water tank through a water tank water supplementing valve.
According to the scheme, the second spraying pipeline is communicated with the fifth pipeline.
According to the scheme, a steam supply regulating valve group is arranged on the steam supply pipeline and comprises a steam high-level supply regulating valve, a steam middle-level supply regulating valve and a steam low-level supply regulating valve; the steam supply pipeline is also communicated with a steam bypass pipeline, and the steam bypass pipeline is sequentially provided with a steam bypass isolation valve and a steam bypass regulating valve along the fluid flowing direction.
According to the scheme, a first safety valve is arranged at the top of the containment shell simulation body; the top of the containment shell simulation body is communicated with a steam discharge branch, and a first discharge valve is arranged on the steam discharge branch; the bottom of the containment simulation body is provided with a first discharge pipeline, and a first drain valve is arranged on the first discharge pipeline.
The invention has the beneficial effects that:
1. according to the invention, the influence of different crevasses on the operation of the passive containment cooling system can be evaluated by adjusting the height of the steam outlet of the containment; by injecting helium, simulating non-condensable gas such as hydrogen in the containment after an accident, and evaluating the influence of the non-condensable gas in the containment on the operation characteristics of the passive containment cooling system; the condensation characteristics of the heat exchanger are evaluated by collecting condensed water of the passive containment cooling heat exchanger and weighing in real time; and evaluating the influence of the gas disperser setting on the operating characteristics of the passive containment cooling system by adjusting the gas disperser setting.
2. The invention can carry out system operation tests in different cold source forms and evaluate the operation influence of different cold source characteristics on the passive containment cooling system: adjusting the water level height of the cooling water tank, and evaluating the influence of the water content on the system characteristics; adjusting different initial water temperatures of the water tank through a heating device, and evaluating the influence of the initial cooling water temperature on the operation characteristics of the system; the characteristics of the passive containment cooling system under the condition of constant water temperature are evaluated by adjusting the circulating water flow of the water tank cooler in the test process.
3. The invention can be used for the comparative test of the cooling performance of the spraying system and the passive containment cooling system and can evaluate the long-term heat removal performance of the two systems.
4. The invention simulates the operation conditions of various passive containment systems by switching the operation modes of different heat exchangers.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein, 1-steam bypass isolating valve, 2-steam bypass adjusting valve, 3-steam high-level supply adjusting valve, 4-steam middle-level supply adjusting valve, 5-steam low-level supply adjusting valve, 6-compressed air isolating valve, 7-helium adjusting valve, 8-containment simulator, 9-first safety valve, 10-first discharge valve, 11-spray header, 12-first cooling heat exchanger, 13-condensate water collecting device, 14-first discharge valve, 15-water supplementing isolating valve, 16-spray pump, 17-spray isolating valve, 18-second switching isolating valve, 19-first switching isolating valve, 20-second ascending section isolating valve, 21-second cooling heat exchanger, 22-second descending section isolating valve, 23-third switching isolating valve, 24-a fourth switching isolation valve, 25-a first ascending section isolation valve, 26-a gas disperser, 27-a first descending section isolation valve, 28-a condensate isolation valve, 29-a drain valve, 30-a condensate collecting tank, 31-a second safety valve, 32-a second discharge valve, 33-a weighing device, 34-a second drain valve, 35-a water supplementing valve, 36-a cooling water tank, 37-a circulating water pump, 38-a water tank cooling isolation valve, 39-a water tank water supplementing valve, 40-a spraying water taking isolation valve, 41-a spraying water tank isolation valve, 42-a water tank heat exchanger, 43-an electric heater and 44-a drain valve.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
The passive containment cooling test system shown in fig. 1 comprises a containment simulator 8, a spraying system, a cooling water tank 36, a first cooling heat exchanger 12 and a second cooling heat exchanger 21, wherein the containment simulator 8 is respectively communicated with a helium gas supply pipeline, a compressed air supply pipeline and a steam supply pipeline; the first cooling heat exchanger 12 is installed in the containment simulation body 8; a cold source inlet of the first cooling heat exchanger 12 is communicated with the cooling water tank 36 through a first pipeline, and a cold source outlet of the first cooling heat exchanger 12 is communicated with the gas disperser 26 arranged in the cooling water tank 36 through a second pipeline; the second cooling heat exchanger 21 is arranged in the cooling water tank 36, a heat source inlet of the second cooling heat exchanger 21 is communicated with the steam space of the containment shell simulation body 8 through a third pipeline, and a heat source outlet of the second cooling heat exchanger 21 is communicated with the inside of the containment shell simulation body 8 through a fourth pipeline; valves are respectively arranged on the pipelines.
In this embodiment, the inlet of the helium gas supply pipeline is communicated with a helium gas source; and a helium regulating valve 7 is arranged on the helium supply pipeline, and the generation of hydrogen in the process of a helium simulation accident entering the containment simulator 8 is controlled by regulating the helium regulating valve 7. The inlet of the steam supply pipeline is communicated with a steam source; a steam supply regulating valve group is arranged on the steam supply pipeline and comprises a steam high-level supply regulating valve 3, a steam middle-level supply regulating valve 4 and a steam low-level supply regulating valve 5; the steam supply pipeline is also communicated with a steam bypass pipeline, and a steam bypass isolating valve 1 and a steam bypass adjusting valve 2 are sequentially arranged on the steam bypass pipeline along the fluid flowing direction. And opening the steam bypass isolation valve 1 and the steam bypass adjusting valve 2, controlling the steam flow entering the containment simulation body 8 by adjusting the steam supply adjusting valve at the corresponding position, and simulating the long-term flow discharge after the breach.
In this embodiment, a first safety valve 9 is disposed at the top of the containment simulator 8; the top of the containment shell simulation body 8 is communicated with a steam discharge branch, and a first discharge valve 10 is arranged on the steam discharge branch; the bottom of the containment simulator 8 is provided with a first discharge pipeline, and a first drain valve 14 is arranged on the first discharge pipeline.
In this embodiment, a first descending section isolation valve 27 is configured on the first pipeline; a first ascending section isolation valve 25 is arranged on the second pipeline; a second ascending section isolation valve 20 and a first switching isolation valve 19 are arranged on the third pipeline; and a second descending section isolation valve 22 and a third switching isolation valve 23 are arranged on the fourth pipeline.
Preferably, the second pipeline is communicated with the third pipeline through a sixth pipeline, and a second switching isolation valve 18 is arranged on the sixth pipeline; the first pipeline and the fourth pipeline are communicated through a seventh pipeline, and a fourth switching isolation valve 24 is arranged on the seventh pipeline.
Preferably, the passive containment cooling test system further comprises a condensate collecting tank 30, the condensate collecting tank 30 is communicated with the cooling water tank 36 through a fifth pipeline, and a water tank drain valve 44 and a water replenishing valve 35 are sequentially arranged on the fifth pipeline along the fluid flowing direction; the top of the condensate collecting tank 30 is provided with a second safety valve 31, the top of the condensate collecting tank 30 is provided with a second discharge pipeline, and a second drain valve 32 is arranged on the second discharge pipeline.
Preferably, the fifth pipeline is communicated with an eighth pipeline, and the other end of the eighth pipeline is communicated with the bottom of the containment simulator 8. In this embodiment, a water supply isolation valve 15 is disposed on the eighth pipeline.
Preferably, a condensed water collecting device 13 is arranged at the lower part of the first cooling heat exchanger 12, the condensed water collecting device 13 is communicated with an external condensed water collecting pipeline, and a condensed water isolating valve 28 and a drain valve 29 are sequentially arranged on the condensed water collecting pipeline along the fluid flowing direction.
Preferably, the passive containment cooling test system is further provided with a spraying assembly, a water outlet end of the spraying assembly is located at the inner top of the containment simulator 8, and a water inlet end of the spraying assembly is communicated with the cooling water tank 36; specifically, the spray assembly comprises a spray pump 16 and a spray head 11, the spray head 11 is installed at the inner top of the containment simulator 8, a water inlet of the spray head 11 is communicated with an outlet of the spray pump 16 through a first spray pipeline, and an inlet of the spray pump 16 is communicated with the bottom of the cooling water tank 36 through a second spray pipeline. In this embodiment, the first spray pipe is provided with a spray isolation valve 17, and the second spray pipe is provided with a spray tank isolation valve 41.
Preferably, the cooling water tank 36 is further provided with a circulating water pump 37 and a water tank heat exchanger 42, an inlet of the circulating water pump 37 is communicated with the second spraying pipeline through a spraying water taking isolation valve 40, an outlet of the circulating water pump 37 is communicated with the first fluid inlet of the water tank heat exchanger 42 through a first branch, and an outlet of the circulating water pump 37 is communicated with the bottom of the cooling water tank 36 through a water tank water replenishing valve 39. Preferably, the second spray line is in communication with a fifth line.
Preferably, an electric heater 43 is further added to the cooling water tank 36; the top of the cooling water tank 36 is provided with an overflow line. Before the test, a water tank water replenishing valve 39 is opened, the liquid level of the cooling water tank 6 is lifted to a set height through a circulating water pump 37, an electric heater 43 is controlled through a heater control cabinet, and the cooling agent in the cooling water tank 36 is heated to a set temperature. During the test, the opening of the tank cooling isolation valve 38 can be adjusted to control the flow of cooling water to the tank heat exchanger 42 to match the thermal power transferred to the tank. When the water level is too high, the water is drained through an overflow line at the top of the cooling water tank 36 and a tank drain valve 44 at the bottom.
In the invention, the spray assembly controls different water taking sources by opening the spray water taking isolation valve 40 or the spray water tank isolation valve 41, and controls the opening of the spray adjusting valve 17 to adjust the spray flow entering the containment simulator 8 through the spray pump 16 and the spray header 11. The containment shell simulation body is provided with a first safety valve 9 and a first discharge valve 31, so that overpressure of the containment shell simulation body 8 and the condensate collecting tank 30 can be prevented; arranging a first steam discharge valve 10 and a second steam discharge valve 32 for discharging the steam after the test of the full-shell simulator 8 and the condensate collecting tank 30; a first drain valve 14 and a second drain valve 34 and a tank drain valve 44 are provided for draining the apparatus of accumulated water after the apparatus has been tested.
The working principle of the invention is as follows:
1. and opening a first switching isolation valve 19, a second ascending section isolation valve 20, a second descending section isolation valve 22 and a third switching isolation valve 23, closing a second switching isolation valve 18, a first ascending section isolation valve 25, a fourth switching isolation valve 24 and a first descending section isolation valve 27, and establishing the heat exchanger external passive containment cooling system. The steam and the non-condensable gas in the containment vessel simulation body 8 are condensed in the heat transfer pipe of the second cooling heat exchanger 21 through the ascending section and then return to the containment vessel simulation body 8 through the second descending section isolation valve 22 and the third switching isolation valve 23 to form an open natural circulation loop.
2. And opening the second switching isolation valve 18, the second ascending section isolation valve 20, the second descending section isolation valve 22 and the fourth switching isolation valve 24, closing the first ascending section isolation valve 25, the first switching isolation valve 19, the third switching isolation valve 23 and the first descending section isolation valve 27, and establishing the heat pipe type passive containment cooling system. The steam and the non-condensable gas in the containment simulator 8 are mixed and then condensed on the outer wall surface of the heat transfer pipe of the first cooling heat exchanger 12, and finally collected in the condensate collecting tank 30. The coolant in the heat transfer pipe of the second cooling heat exchanger 12 flows through the second cooling heat exchanger 21 after being heated, is cooled, and then returns to the first cooling heat exchanger 12, so that a closed circulation loop is formed.
3. The method comprises the steps of opening a first ascending section isolation valve 25 and a first descending section isolation valve 27, closing a second switching isolation valve 18, a first switching isolation valve 19, a second ascending section isolation valve 20, a second descending section isolation valve 22, a third switching isolation valve 23 and a fourth switching isolation valve 24, establishing a heat exchanger built-in passive containment cooling system, condensing steam and non-condensable gas in a containment simulator 8 on the outer wall surface of a heat transfer pipe of a first cooling heat exchanger 12 after mixing, collecting condensed water through a condensed water collector 13, collecting the condensed water to a condensed liquid collection tank 30 through a condensed water isolation valve 28 and a drain valve 29, weighing the condensed liquid collection tank 30 through a weighing device 33 in real time, and measuring real-time condensed liquid of the first cooling heat exchanger 12 to check the cooling capacity of the heat exchanger. The steam generated in the ascending section of the first cooling heat exchanger 12 passes through the gas disperser 26 and is condensed in the cooling water tank 36, and the cooling water in the cooling water tank 26 returns to the first cooling heat exchanger through the first descending section isolation valve 27 to form a natural circulation loop.
In the invention, steam can enter from different heights of the containment shell simulation body 8 to simulate mass-energy release processes at different crevasses; by switching on and off of the loop, system operation tests of three different passive containment cooling design schemes, namely the heat exchanger is arranged in the containment simulator 8, the heat exchanger is arranged in the cooling water tank 36 outside the containment simulator 8 and the separated heat pipe, are realized, and the operation characteristics of different system design schemes are researched; the condensed water condensed on the outer side of the heat transfer pipe of the first cooling heat exchanger 12 is collected and weighed in real time, and the condensed water can be used for checking the cooling capacity of the heat exchanger; adjusting the arrangement of the gas disperser 26 arranged in the cooling water tank 36, and researching the influence of the arrangement of the gas disperser 26 on the operation of the passive containment cooling system; the electric heating device 45 can be used for setting the initial operation temperature of the cooling water tank 36 and researching the influence of the initial water temperature on the operation of the system; the second cooling heat exchanger 21 is arranged and has flow regulation capacity, the heating power led into the cooling water tank 36 along with the passive safety cooling system can be matched, the water temperature of the cooling water tank 36 is maintained at a relatively stable level, and the running characteristics of the system at different constant cooling water temperatures are researched; the cooling water tank 36 is adjusted to different liquid levels required by the test before the test, a hot trap is provided for the passive containment cooling system in the test process, and the influence of different water loading on the system operation can be analyzed; the condensate collecting pipeline is provided with a drain valve 29 which has the functions of stopping steam and draining liquid, and can drain condensate and maintain the pressure in the simulation body.
The above description is a preferred embodiment of the present invention, but the present invention should not be limited to the disclosure of the embodiment and the drawings. Therefore, it is intended that all equivalents and modifications which do not depart from the spirit of the invention disclosed herein are deemed to be within the scope of the invention.
Claims (10)
1. A passive containment cooling test system is characterized by comprising a containment simulator, a spraying system, a cooling water tank, a first cooling heat exchanger and a second cooling heat exchanger, wherein the containment simulator is respectively communicated with a helium gas supply pipeline, a compressed air supply pipeline and a steam supply pipeline; the first cooling heat exchanger is arranged in the containment simulation body; a cold source inlet of the first cooling heat exchanger is communicated with the cooling water tank through a first pipeline, and a cold source outlet of the first cooling heat exchanger is communicated with a gas disperser arranged in the cooling water tank through a second pipeline; the second cooling heat exchanger is arranged in the cooling water tank, a heat source inlet of the second cooling heat exchanger is communicated with the steam space of the containment shell simulation body through a third pipeline, and a heat source outlet of the second cooling heat exchanger is communicated with the interior of the containment shell simulation body through a fourth pipeline; valves are respectively arranged on the pipelines.
2. The passive containment cooling test system according to claim 1, wherein the second pipeline is communicated with the third pipeline through a sixth pipeline, and a second switching isolation valve is arranged on the sixth pipeline; and the first pipeline is communicated with the fourth pipeline through a seventh pipeline, and a fourth switching isolation valve is arranged on the seventh pipeline.
3. The passive containment cooling test system according to claim 1, further comprising a condensate collecting tank, wherein the condensate collecting tank is communicated with the cooling water tank through a fifth pipeline, and a water tank drain valve and a water replenishing valve are sequentially arranged on the fifth pipeline along a fluid flowing direction; the top of the condensate collecting tank is provided with a second safety valve, the top of the condensate collecting tank is provided with a second discharge pipeline, and a second drain valve is installed on the second discharge pipeline.
4. The passive containment cooling test system according to claim 1, wherein one end of an eighth pipeline is communicated with the fifth pipeline, and the other end of the eighth pipeline is communicated with the bottom of the containment simulator; and a water replenishing isolation valve is arranged on the eighth pipeline.
5. The passive containment cooling test system according to claim 1, wherein a condensed water collecting device is arranged at the lower part of the first cooling heat exchanger and is communicated with an external condensed water collecting pipeline, and a condensed water isolating valve and a drain valve are sequentially arranged on the condensed water collecting pipeline along the fluid flowing direction.
6. The passive containment cooling test system according to claim 1, further comprising a spray assembly, wherein the spray assembly comprises a spray pump and a spray header, the spray header is mounted at the inner top of the containment simulator, a water inlet of the spray header is communicated with an outlet of the spray pump through a first spray pipeline, and an inlet of the spray pump is communicated with the bottom of the cooling water tank through a second spray pipeline; and the first spraying pipeline is provided with a spraying isolation valve, and the second spraying pipeline is provided with a spraying water tank isolation valve.
7. The passive containment cooling test system according to claim 6, wherein the cooling water tank is further provided with a circulating water pump and a water tank heat exchanger, an inlet of the circulating water pump is communicated with the second spraying pipeline through a spraying water taking isolation valve, an outlet of the circulating water pump is communicated with the first fluid inlet of the water tank heat exchanger through a first branch, and an outlet of the circulating water pump is communicated with the bottom of the cooling water tank through a water tank water replenishing valve.
8. The passive containment cooling test system of claim 7, wherein the second spray line is in communication with a fifth line.
9. The passive containment cooling test system according to claim 1, wherein the steam supply pipeline is provided with a steam supply regulating valve set comprising a steam high-level supply regulating valve, a steam middle-level supply regulating valve and a steam low-level supply regulating valve; the steam supply pipeline is also communicated with a steam bypass pipeline, and the steam bypass pipeline is sequentially provided with a steam bypass isolation valve and a steam bypass regulating valve along the fluid flowing direction.
10. The passive containment cooling test system according to claim 1, wherein a first safety valve is arranged at the top of the containment simulator; the top of the containment shell simulation body is communicated with a steam discharge branch, and a first discharge valve is arranged on the steam discharge branch; the bottom of the containment simulation body is provided with a first discharge pipeline, and a first drain valve is arranged on the first discharge pipeline.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639493A (en) * | 2022-01-26 | 2022-06-17 | 国家电投集团科学技术研究院有限公司 | Water distribution device for passive containment cooling system test equipment |
| CN115274153A (en) * | 2022-07-26 | 2022-11-01 | 哈尔滨工程大学 | Test device and test method for hydrogen mixing influence of containment vessel spraying system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903404A (en) * | 2012-08-20 | 2013-01-30 | 中国核电工程有限公司 | Active-passive combined reactor core residual heat removal system for nuclear power station |
| US20140016734A1 (en) * | 2012-07-13 | 2014-01-16 | Korea Atomic Energy Research Institute | Passive safety system of integral reactor |
| WO2015093059A1 (en) * | 2013-12-20 | 2015-06-25 | 株式会社 東芝 | Reactor water injection system, nuclear facility, and pipeline of nuclear plant |
| CN106328227A (en) * | 2016-10-18 | 2017-01-11 | 中广核研究院有限公司 | Spray test device and method for containment vessel |
| JP2017062180A (en) * | 2015-09-25 | 2017-03-30 | 株式会社東芝 | Test facility of passive containment cooling system, test method thereof, nuclear power plant construction method and renovation method |
| CN206893306U (en) * | 2016-10-28 | 2018-01-16 | 国核华清（北京）核电技术研发中心有限公司 | For nuclear power plant containment shell performance test and the contracting proportion composite experimental rig of research |
| CN207637503U (en) * | 2017-11-29 | 2018-07-20 | 国家电投集团科学技术研究院有限公司 | Experimental rig for the passive guiding system of containment heat |
| CN109841289A (en) * | 2017-11-29 | 2019-06-04 | 国家电投集团科学技术研究院有限公司 | Experimental rig for the passive guiding system of containment heat |
| CN209149828U (en) * | 2018-11-13 | 2019-07-23 | 中国舰船研究设计中心 | A kind of passive residual heat removal system experimental rig of multiple-loop coupling |
| CN112164482A (en) * | 2020-09-25 | 2021-01-01 | 中国核电工程有限公司 | Thermal hydraulic comprehensive test device for containment |
-
2021
- 2021-06-24 CN CN202110703656.XA patent/CN113436761B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140016734A1 (en) * | 2012-07-13 | 2014-01-16 | Korea Atomic Energy Research Institute | Passive safety system of integral reactor |
| CN102903404A (en) * | 2012-08-20 | 2013-01-30 | 中国核电工程有限公司 | Active-passive combined reactor core residual heat removal system for nuclear power station |
| WO2015093059A1 (en) * | 2013-12-20 | 2015-06-25 | 株式会社 東芝 | Reactor water injection system, nuclear facility, and pipeline of nuclear plant |
| JP2017062180A (en) * | 2015-09-25 | 2017-03-30 | 株式会社東芝 | Test facility of passive containment cooling system, test method thereof, nuclear power plant construction method and renovation method |
| CN106328227A (en) * | 2016-10-18 | 2017-01-11 | 中广核研究院有限公司 | Spray test device and method for containment vessel |
| CN206893306U (en) * | 2016-10-28 | 2018-01-16 | 国核华清（北京）核电技术研发中心有限公司 | For nuclear power plant containment shell performance test and the contracting proportion composite experimental rig of research |
| CN207637503U (en) * | 2017-11-29 | 2018-07-20 | 国家电投集团科学技术研究院有限公司 | Experimental rig for the passive guiding system of containment heat |
| CN109841289A (en) * | 2017-11-29 | 2019-06-04 | 国家电投集团科学技术研究院有限公司 | Experimental rig for the passive guiding system of containment heat |
| CN209149828U (en) * | 2018-11-13 | 2019-07-23 | 中国舰船研究设计中心 | A kind of passive residual heat removal system experimental rig of multiple-loop coupling |
| CN112164482A (en) * | 2020-09-25 | 2021-01-01 | 中国核电工程有限公司 | Thermal hydraulic comprehensive test device for containment |
Non-Patent Citations (2)
| Title |
|---|
| 范冠华等: "钢制安全壳空气自然循环冷却能力试验研究" * |
| 骆贝贝: "安全壳非能动热量导出系统数值模拟", 《中国优秀硕士学位论文全文数据库(工程科技Ⅰ辑)》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639493A (en) * | 2022-01-26 | 2022-06-17 | 国家电投集团科学技术研究院有限公司 | Water distribution device for passive containment cooling system test equipment |
| CN115274153A (en) * | 2022-07-26 | 2022-11-01 | 哈尔滨工程大学 | Test device and test method for hydrogen mixing influence of containment vessel spraying system |
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