CN102915776A - Testing method for passive safety shell heat lead-out system - Google Patents
Testing method for passive safety shell heat lead-out system Download PDFInfo
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- CN102915776A CN102915776A CN2012103692842A CN201210369284A CN102915776A CN 102915776 A CN102915776 A CN 102915776A CN 2012103692842 A CN2012103692842 A CN 2012103692842A CN 201210369284 A CN201210369284 A CN 201210369284A CN 102915776 A CN102915776 A CN 102915776A
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- thermal conduction
- conduction system
- passive containment
- heat
- containment thermal
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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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Abstract
The invention belongs to a reactor design technology and particularly relates to a testing method for a passive safety shell heat lead-out system. According to the method, by simulating the environment in a safety shell after an accident occurs, operating parameters of the passive safety shell heat lead-out system are measured, the heat exchange capacity of the passive safety shell heat lead-out system is calculated and the passive safety shell heat lead-out system is verified whether to meet the design requirements. The testing method can provide reliable test basis for the engineering application of the passive safety shell heat lead-out system.
Description
Technical field
The invention belongs to the reactor designing technique, be specifically related to a kind of passive containment thermal conduction system test method.
Background technology
Passive containment thermal conduction system (pcs system) is used for the long-term heat extraction of containment under the beyond design basis accident operating mode, comprises the accident relevant with the spray system fault to station blackout.Pcs system also is used for the accident mitigation of major accident operating mode (if beyond design basis accident develops into the major accident that reactor core obviously worsens).When nuclear power station generation beyond design basis accident (comprising major accident) operating mode, the containment pressure and temperature is reduced to acceptable level, to keep the integrality of containment.insert the interior heat exchanger package of containment and high temperature control device convection heat transfer and the radiation heat transfer of containment in the pcs system utilization, by flowing of water in Tube Sheet of Heat Exchanger, continuously the heat in containment is taken to outside containment, at containment peripheral hardware displacement boiler, and condenser is installed in heat-exchanging water tank, heat in the containment that carrying-off is derived from heat exchanger package, utilize density difference that the temperature difference of water causes to realize that non-passive safety shell heat discharges, the basic structure of pcs system as shown in Figure 1, in containment inside, heat exchanger package 1 is set, the circulation line of heat exchanger package 1 is through being arranged on the condenser 3 in the outer heat-exchanging water tank of containment 2, carry out heat interchange with heat-exchanging water tank 2, circulation line is provided with isolation valve, heat-exchanging water tank 2 also is connected with the expansion tank 5 that is connected controlling liquid level with heat conduction water tank 4 respectively.
Because pcs system is novel, advanced non-active heat-exchange system, but practical application is arranged in nuclear power plant never, therefore should verify the performability of this system between first unit limber up period; In addition, for guaranteeing the reliability of pcs system in nuclear power plant moves the phase in longevity, the reply pcs system carries out corresponding routine test or carries out corresponding safety evaluation, guarantees that the pcs system function can effectively alleviate damage sequence and guarantee containment integrity when having an accident.
Summary of the invention
The object of the present invention is to provide a kind of manner of execution of debugging and routine test of passive containment thermal conduction system, determine that the installation of passive containment thermal conduction system, operation are consistent with system design functions, guarantee Security of the system.
Technical scheme of the present invention is as follows: a kind of passive containment thermal conduction system test method comprises the steps:
(1) set up passive containment thermal conduction system, and by enclosure device, with the heat interchanger enclosing of passive containment thermal conduction system in a relatively airtight space;
(2) be blown into the damp-heat air of extreme environment in the simulating Safety shell above the heat interchanger of enclosure device, and adjust where necessary the damp-heat air temperature;
(3) evenly be full of damp-heat air in the closed environment of heat interchanger place after, open the isolation valve of passive containment thermal conduction system, passive containment thermal conduction system is started working;
(4) by adjusting the temperature of the damp-heat air amount of being blown into and damp-heat air, keeping the interior environmental baseline of enclosing scope is Environment condition inside containment under the passive containment thermal conduction system function;
(5) after passive containment thermal conduction system stable operation a period of time, measure circulated air flow speed, through discharge in humidity and the temperature of air before and after heat interchanger, passive containment thermal conduction system, recirculated water through heat interchanger front and back temperature;
(6) by recording the exchange capability of heat of calculation of parameter passive containment thermal conduction system.
Further, passive containment thermal conduction system test method as above wherein, is arranged on the temperature of the electric heater raising damp-heat air in enclosure device by startup in step (2) and step (4).
Further, passive containment thermal conduction system test method as above, wherein, when carrying out the first debugging test of passive containment thermal conduction system, after passive containment thermal conduction system is started working, should reduce in step (4) and add the damp-heat air flow, in order to avoid adding to flow and becoming the power-assisted of accelerating natural convection air of damp-heat air affects test findings.
Further, passive containment thermal conduction system test method as above, wherein, when carrying out passive containment thermal conduction system routine test or safety evaluation, after passive containment thermal conduction system is started working, can strengthen damp-heat air flowing in enclosing by the mode of blower fan forced convertion in step (4).
Beneficial effect of the present invention is as follows: passive containment thermal conduction system test method provided by the present invention can be by environment in containment after simulated accident, first unit checking requirement can be set up and satisfy to the non-active circulation of checking passive containment thermal conduction system automatically, and can all can effectively derive heat in containment in the phase in longevity in whole nuclear power plant, meet design requirement.The present invention can use for the engineering of passive containment thermal conduction system reliable test basis is provided.
Description of drawings
Fig. 1 is the basic structure schematic diagram of passive containment thermal conduction system;
Fig. 2 is a kind of test principle schematic diagram of passive containment thermal conduction system;
Fig. 3 is the another kind of test principle schematic diagram of passive containment thermal conduction system.
Embodiment
Because passive containment thermal conduction system (pcs system) is passive technology, when whole audience outage occured, in the situation that there is no Operator actions, system put into operation automatically, utilizes Natural Circulation to realize the long-term heat extraction of containment.Therefore, debugging test wants verification system can realize by the mode of Natural Circulation the long-term heat extraction of containment.
For the first debugging test of pcs system, availability because of need checking pcs system function, air situation in the cooling containment of real simulation pcs system more, after pcs system is started working, add the damp-heat air flow should reduce to minimum, in order to avoid adding to flow and becoming the power-assisted of accelerating natural convection air of damp-heat air affects test effect.Need for pcs system routine test or safety evaluation, the checking emphasis is heat exchanger efficiency, needs to strengthen flowing of damp-heat air, can accelerate the test process by the mode of blower fan forced convertion.Based on these requirements, the present invention is illustrated by two embodiment.
Embodiment 1
As shown in Figure 2, pilot system comprises the enclosure device 6 for airtight heat interchanger 1, is provided with electric heater 7 in enclosure device 6.The structure of this enclosure device is applicable to the first debugging test of pcs system.Test method is as follows:
(1) set up passive containment thermal conduction system, and by enclosure device 6, with heat interchanger 1 enclosing of passive containment thermal conduction system in a relatively airtight space.
(2) be blown into the damp-heat air of extreme environment in the simulating Safety shell above the heat interchanger of enclosure device 6, and start where necessary electric heater 7 adjustment damp-heat air temperature.In containment under extreme environment air characteristics be mainly have radioactivity, temperature is high, high humidity, but radioactivity is for the not impact of heat export function of pcs system, therefore needn't the simulated emission environment.
(3) evenly be full of damp-heat air in the closed environment of heat interchanger place after, open the isolation valve 8 of passive containment thermal conduction system, passive containment thermal conduction system is started working.
(4) will add the damp-heat air flow to reduce to minimum, and the temperature of suitably regulating damp-heat air, keeping the interior environmental baseline of enclosing scope is Environment condition inside containment under the passive containment thermal conduction system function.
(5) (for example 30 minutes) after passive containment thermal conduction system stable operation a period of time, measure circulated air flow speed, through humidity and the temperature of air before and after heat interchanger (being C point and D point position in Fig. 2), the interior discharge of passive containment thermal conduction system, recirculated water process heat interchanger front and back temperature (being A point and B point position in Fig. 2).In the present embodiment, carry out the temperature and humidity of air before heat interchanger in C point position and measure, carry out the temperature and humidity measurement of air after heat interchanger at D point, and air-flow measurement; Carry out the temperature survey of water before heat interchanger in B point position, carry out the temperature survey of water after heat interchanger at the A point, and measuring water flow.
(6) by recording the exchange capability of heat of calculation of parameter passive containment thermal conduction system.
Can draw according to measured value:
The water side derives heat: q=c
Water(Q
AT
A-Q
BT
B) (kW)
Wherein:
Q
A: A point flow (can calculate by flow velocity)
T
A: A point temperature
Q
B: B point flow (can calculate by flow velocity)
T
B: B point temperature
C
Water: specific heat of water
Air side quantity of heat given up: q '=c
Water(Q
Cψ
CT
C-Q
Dψ
DT
D)+c
Air(Q
C(1-ψ
C) T
C-Q
D(1-ψ
D) T
D) (kW)
Wherein:
Q
C: C point flow (can calculate by flow velocity)
T
C: C point temperature
Q
D: D point flow (can calculate by flow velocity)
T
D: D point temperature
C
Water: specific heat of water
C
Air: the specific heat of air
Ψ
C: C point humidity
Ψ
D: D point humidity
The difference of q and q ' should be in tolerance interval, and q should be not less than design load.And whole passive containment thermal conduction system is comprised of the such heat interchanger of x group, therefore whole heat derivation ability is xq(kW).
Above computing method are the known technology of this area.
Embodiment 2
As shown in Figure 3, pilot system comprises the enclosure device 9 for airtight heat interchanger 1, is provided with electric heater 7 and blower fan 10 in enclosure device 9.The structure of this enclosure device is applicable to the pcs system routine test.Test method is as follows:
(1) set up passive containment thermal conduction system, and by enclosure device 9, with heat interchanger 1 enclosing of passive containment thermal conduction system in a relatively airtight space.
(2) be blown into the damp-heat air of extreme environment in the simulating Safety shell above the heat interchanger of enclosure device 9, and start where necessary electric heater 7 adjustment damp-heat air temperature.In containment under extreme environment air characteristics be mainly have radioactivity, temperature is high, high humidity, but radioactivity is for the not impact of heat export function of pcs system, therefore needn't the simulated emission environment.
(3) evenly be full of damp-heat air in the closed environment of heat interchanger place after, open the isolation valve 8 of passive containment thermal conduction system, passive containment thermal conduction system is started working.
(4) accelerate flowing of damp-heat air by the mode of blower fan forced convertion, and the temperature of suitably regulating damp-heat air, keeping the interior environmental baseline of enclosing scope is Environment condition inside containment under the passive containment thermal conduction system function.
(5) after passive containment thermal conduction system stable operation a period of time, measure circulated air flow speed, through humidity and the temperature of air before and after heat interchanger (being C point and D point position in Fig. 3), the interior discharge of passive containment thermal conduction system, recirculated water process heat interchanger front and back temperature (being A point and B point position in Fig. 3).In the present embodiment, carry out the temperature and humidity of air before heat interchanger in C point position and measure, carry out the temperature and humidity measurement of air after heat interchanger at D point, and air-flow measurement; Carry out the temperature survey of water before heat interchanger in B point position, carry out the temperature survey of water after heat interchanger at the A point, and measuring water flow.
(6) by recording the exchange capability of heat of calculation of parameter passive containment thermal conduction system.(computing method are with embodiment 1)
Obviously, those skilled in the art can carry out various changes and modification and not break away from the spirit and scope of the present invention the present invention.Like this, if of the present invention these are revised and within modification belongs to the scope of claim of the present invention and equivalent technology thereof, the present invention also is intended to comprise these changes and modification interior.
Claims (4)
1. a passive containment thermal conduction system test method, comprise the steps:
(1) set up passive containment thermal conduction system, and by enclosure device, with the heat interchanger enclosing of passive containment thermal conduction system in a relatively airtight space;
(2) be blown into the damp-heat air of extreme environment in the simulating Safety shell above the heat interchanger of enclosure device, and adjust where necessary the damp-heat air temperature;
(3) evenly be full of damp-heat air in the closed environment of heat interchanger place after, open the isolation valve of passive containment thermal conduction system, passive containment thermal conduction system is started working;
(4) by adjusting the temperature of the damp-heat air amount of being blown into and damp-heat air, keeping the interior environmental baseline of enclosing scope is Environment condition inside containment under the passive containment thermal conduction system function;
(5) after passive containment thermal conduction system stable operation a period of time, measure circulated air flow speed, through discharge in humidity and the temperature of air before and after heat interchanger, passive containment thermal conduction system, recirculated water through heat interchanger front and back temperature;
(6) by recording the exchange capability of heat of calculation of parameter passive containment thermal conduction system.
2. passive containment thermal conduction system test method as claimed in claim 1, is characterized in that: the temperature that is arranged on the electric heater raising damp-heat air in enclosure device in step (2) and step (4) by startup.
3. passive containment thermal conduction system test method as claimed in claim 1 or 2, it is characterized in that: when carrying out the first debugging test of passive containment thermal conduction system, after passive containment thermal conduction system is started working, should reduce in step (4) and add the damp-heat air flow, in order to avoid adding to flow and becoming the power-assisted of accelerating natural convection air of damp-heat air affects test findings.
4. passive containment thermal conduction system test method as claimed in claim 1 or 2, it is characterized in that: when carrying out passive containment thermal conduction system routine test or safety evaluation, after passive containment thermal conduction system is started working, strengthen damp-heat air flowing in enclosing by the mode of blower fan forced convertion in step (4).
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440889A (en) * | 2013-09-05 | 2013-12-11 | 上海核工程研究设计院 | Proportion analysis method for heat removal process of passive nuclear power plant containment vessel system |
| CN103456376A (en) * | 2013-09-05 | 2013-12-18 | 上海核工程研究设计院 | Proportion analysis method for heat removing process of steel safety shell of passive nuclear power plant |
| CN107403651A (en) * | 2017-06-12 | 2017-11-28 | 中国核电工程有限公司 | A kind of containment thermal-hydraulic experiment system with active operation platform |
| CN108231223A (en) * | 2016-08-02 | 2018-06-29 | 合肥通用机械研究院 | A kind of passive residual heat removal cycle performance test method |
| CN108257690A (en) * | 2016-12-29 | 2018-07-06 | 福建福清核电有限公司 | A kind of device of the passive heat-extraction system Natural Circulation drag effects of research safety shell |
| 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 |
| CN112951457A (en) * | 2021-03-05 | 2021-06-11 | 哈尔滨工程大学 | PCS long-term heat exchange water tank with parallel channels |
| CN113140335A (en) * | 2021-04-02 | 2021-07-20 | 中国核电工程有限公司 | Passive containment heat exporting system with internal heat exchanger protection device |
| CN113704959A (en) * | 2021-07-12 | 2021-11-26 | 中国核电工程有限公司 | Simulation method and system of heat exchanger type passive containment cooling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020070486A1 (en) * | 2000-12-07 | 2002-06-13 | Korea Atomic Energy Research Institute | Method and device for removing decay heat from liquid metal reactors using thermosyphon |
| JP2009150860A (en) * | 2007-12-20 | 2009-07-09 | Korea Atomic Energy Research Inst | Passive safety grade residual heat removal system of eliminated sodium solidification possibility in intermediate sodium loop for removing remaining heat in sodium cooled fast reactor |
| CN101719386A (en) * | 2009-12-21 | 2010-06-02 | 肖宏才 | Entire passive shutdown safe cooling device of advanced pressurized water reactor nuclear power plant and operation program thereof |
| CN102522127A (en) * | 2011-12-23 | 2012-06-27 | 中国核电工程有限公司 | Passive containment thermal conduction system |
-
2012
- 2012-09-27 CN CN201210369284.2A patent/CN102915776B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020070486A1 (en) * | 2000-12-07 | 2002-06-13 | Korea Atomic Energy Research Institute | Method and device for removing decay heat from liquid metal reactors using thermosyphon |
| JP2009150860A (en) * | 2007-12-20 | 2009-07-09 | Korea Atomic Energy Research Inst | Passive safety grade residual heat removal system of eliminated sodium solidification possibility in intermediate sodium loop for removing remaining heat in sodium cooled fast reactor |
| CN101719386A (en) * | 2009-12-21 | 2010-06-02 | 肖宏才 | Entire passive shutdown safe cooling device of advanced pressurized water reactor nuclear power plant and operation program thereof |
| CN102522127A (en) * | 2011-12-23 | 2012-06-27 | 中国核电工程有限公司 | Passive containment thermal conduction system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456376A (en) * | 2013-09-05 | 2013-12-18 | 上海核工程研究设计院 | Proportion analysis method for heat removing process of steel safety shell of passive nuclear power plant |
| CN103440889B (en) * | 2013-09-05 | 2016-03-23 | 上海核工程研究设计院 | Non-active npp safety shell systems heat shifts out the proportion grading method of process |
| CN103440889A (en) * | 2013-09-05 | 2013-12-11 | 上海核工程研究设计院 | Proportion analysis method for heat removal process of passive nuclear power plant containment vessel system |
| CN108231223B (en) * | 2016-08-02 | 2019-10-11 | 合肥通用机械研究院有限公司 | A kind of passive residual heat removal cycle performance test method |
| CN108231223A (en) * | 2016-08-02 | 2018-06-29 | 合肥通用机械研究院 | A kind of passive residual heat removal cycle performance test method |
| CN108257690A (en) * | 2016-12-29 | 2018-07-06 | 福建福清核电有限公司 | A kind of device of the passive heat-extraction system Natural Circulation drag effects of research safety shell |
| CN108257690B (en) * | 2016-12-29 | 2019-11-22 | 福建福清核电有限公司 | A kind of device of the passive heat-extraction system Natural Circulation drag effects of research safety shell |
| CN107403651B (en) * | 2017-06-12 | 2020-12-18 | 中国核电工程有限公司 | Containment thermal hydraulic experiment system with movable working platform |
| CN107403651A (en) * | 2017-06-12 | 2017-11-28 | 中国核电工程有限公司 | A kind of containment thermal-hydraulic experiment system with active operation platform |
| 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 |
| CN112951457A (en) * | 2021-03-05 | 2021-06-11 | 哈尔滨工程大学 | PCS long-term heat exchange water tank with parallel channels |
| CN113140335A (en) * | 2021-04-02 | 2021-07-20 | 中国核电工程有限公司 | Passive containment heat exporting system with internal heat exchanger protection device |
| CN113704959A (en) * | 2021-07-12 | 2021-11-26 | 中国核电工程有限公司 | Simulation method and system of heat exchanger type passive containment cooling system |
| CN113704959B (en) * | 2021-07-12 | 2024-04-09 | 中国核电工程有限公司 | Simulation method and system for heat exchanger type passive containment cooling system |
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| CN102915776B (en) | 2016-04-20 |
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