CN108346477A - The pilot system and its test method of performance evaluation under core grade equipment bad working environments - Google Patents
The pilot system and its test method of performance evaluation under core grade equipment bad working environments Download PDFInfo
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- CN108346477A CN108346477A CN201810148811.4A CN201810148811A CN108346477A CN 108346477 A CN108346477 A CN 108346477A CN 201810148811 A CN201810148811 A CN 201810148811A CN 108346477 A CN108346477 A CN 108346477A
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
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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
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Abstract
The invention discloses the pilot systems and its test method of performance evaluation under core grade equipment bad working environments, including vapour source container, test chamber, further include being connected between vapour source container and test chamber to cross heat container, the input terminal for crossing heat container is connected with vapour source container, the output end of the heat container excessively is connected with test chamber, described to cross between heat container and vapour source container, control break-make by quck-opening valve between heat container and test chamber excessively；It is respectively provided with heating element in the vapour source container, mistake heat container；Heating device is set on the connecting line for crossing heat container and test chamber.The present invention solves the problems, such as that testing equipment is difficult to meet equipment performance evaluation test demand of three generations's nuclear power generating sets under adverse circumstances operating mode in the prior art, realizes the purpose that equipment benchmark test requirement under adverse circumstances operating mode under three generations's nuclear power standard is completely covered.
Description
Technical field
The present invention relates to nuclear safety fields, and in particular under core grade equipment bad working environments the pilot system of performance evaluation and its
Test method.
Background technology
Refer to basis for the core grade equipment performance evaluation test under the severe environmental conditions such as nuclear power station design basis accident
Pressurized-water reactor nuclear power plant builds specification, simulates the thermal technology and chemistry that emergency conditions are severe in nuclear power plant reactor containment in an experiment
Environment verifies in severe ring the equipment and material progress certification test with Nuclear safety class requirement in reactor containment vessel
Can border center grade equipment and materials work normally.Equipment performance evaluation test under adverse circumstances operating mode is in nuclear power code requirement
There is critical role in nuclear power generating equipment exploitation, especially after Fukushima nuclear accident, each side is all fully recognized that thing occurs for nuclear facilities
Therefore rear safety class equipment ensures the significance of normal work ability.
The foundation of equipment performance evaluation test under adverse circumstances operating mode is mainly trial curve as defined in specification and standard.
Commercial nuclear power plant is mainly two generations developed on the basis of French M310 heap-type at present and two generations added nuclear power generating sets in China, therefore is tried
It tests and mainly follows French RCC-E 2005《Pressurized-water reactor nuclear power plant nuclear island electrical equipment designs and builds rule》Regulation.However,
With the process of the greatly developing of domestic three generations's nuclear power technology, the construction of three generations's unit and home-made equipment, three generations's unit core
The experiment demand of grade equipment greatly increases.As defined in RCC-E 2005 trial curve require temperature promoted peak be 156 DEG C,
0.56MPa, test(ing) medium are saturated vapor, thermal shock time 30s, about 3.5 DEG C/s of heating rate.With three generations's nuclear power AP1000 heaps
For type, the trial curve temperature peak of AP1000 requires 1 second on-test temperature to rise about 90 DEG C from 50 DEG C, reaches about 140
℃；Temperature reaches 215 DEG C in 20 seconds, pressure 0.55MPa.Therefore, compared to two generation units, the trial curve of three generations's unit is to examination
Experiment device proposes higher technology requirement, especially tests temperature-rise period early period, test(ing) medium is superheat state, heating rate
Reach about 90 DEG C/s, test(ing) medium is different, and rate and amplitude that temperature is promoted are far above the requirement of two generation nuclear powers.Generally speaking,
Equipment performance evaluation test under three generations's nuclear power adverse circumstances operating mode is to the medium of experimental rig, heating ability, temperature uniformity
Etc. various aspects more stringent requirements are proposed.However each existing testing equipment of nuclear power station is difficult to meet three generations's nuclear power generating sets severe
Equipment performance evaluation test demand under environmental working condition.
Invention content
The purpose of the present invention is to provide the pilot system and its test method of performance evaluation under core grade equipment bad working environments,
It is difficult to meet equipment performance evaluation examination of three generations's nuclear power generating sets under adverse circumstances operating mode to solve testing equipment in the prior art
The problem of testing demand realizes the mesh that equipment benchmark test requirement under adverse circumstances operating mode under three generations's nuclear power standard is completely covered
's.
The present invention is achieved through the following technical solutions：
The pilot system of performance evaluation under core grade equipment bad working environments, including vapour source container, test chamber further include connection
Heat container is crossed between vapour source container and test chamber, the input terminal for crossing heat container is connected with vapour source container, described
The output end for crossing heat container is connected with test chamber, described to cross between heat container and vapour source container, cross heat container and experiment appearance
Break-make is controlled by quck-opening valve between device；It is respectively provided with heating element in the vapour source container, mistake heat container；It is described to cross heat container
Heating device is set on the connecting line of test chamber.
It is difficult to meet equipment performance of three generations's nuclear power generating sets under adverse circumstances operating mode for testing equipment in the prior art
The problem of evaluation test demand, present invention firstly provides the pilot system of performance evaluation under a seed nucleus grade equipment bad working environments,
Heat container was connected between vapour source container and test chamber so that after gas generates in vapour source container, sequence of flow is first to pass through
Heat container was crossed, test chamber is entered back into.Moisture evaporation is saturated vapor by heating element in vapour source container, is crossed in heat container
Heating element saturated vapor is further heated, formed superheated steam so that can be quickly in test chamber reach
Cross thermal environment.Since three generations's nuclear power adverse circumstances operating mode equipment performance evaluation test requires environment temperature to be risen by 50 DEG C in 1s
To about 140 DEG C, steam must rapidly enter in 1s in test chamber, thus this system cross heat container and vapour source container it
Between, cross between heat container and test chamber break-make controlled by quck-opening valve.Quck-opening valve by close reach the full-gear time can
Reach within 0.5s, makes steam flow that can reach maximum at the opening moment, to improve the heating efficiency inside test chamber.
It crosses on the connecting line of heat container and test chamber and also sets up heating device, for before the test to crossing heat container and test chamber
Between duct wall heated, avoid superheated steam from being condensed on the duct wall, make superheated steam parameter reduce interference
Heating efficiency inside test chamber.When this system works, first into vapour source container plus water, closing vapour source container start vapour
Heating element in source container makes the gas in vapour source container reach saturated-vapor state.Also pressure is bent for the temperature of saturated vapor
Line is almost directly proportional, therefore with the raising of vapour source container internal pressure, and the temperature of saturated vapor is gradually increasing.Wait for saturated vapor
Temperature rise to predetermined temperature after, open vapour source container and cross heat container between quck-opening valve, make saturated vapor quickly into
Entered in heat container, closed heat container, started the heating element in heat container；Started heat container and test chamber simultaneously
Connecting line on heating device.Due to crossing heat container closing at this time, as temperature increases, what is entered out of vapour source container is full
It is in gradually superheated steam by heating with steam, waits for that the pressure and temperature range of superheated steam meets three generations's core grade equipment bad working environments
When lower benchmark test demand, all quck-opening valves, feed into test chamber between opened heat container and test chamber
Superheated steam is tested.Quck-opening valve is completed to open completely in 0.5s, and superheated steam is fast by the pipeline having been warmed up at this time
Speed pours in test chamber so that it can reach 100 DEG C/s or more in the 1s of heating rate after opening in test chamber,
To meet the experiment demand of three generations's core grade equipment.After having served as heat container and test chamber pressure balance, the height in heat container is crossed
Warm superheated steam can not continue actively to enter in test chamber, the mode of heat transfer can only be relied on to transmit heat, cause efficiency low
Under, easily cause temperature in test chamber to decline.However this system can perfectly evade the problem, specifically, crossing thermal capacitance
After device and test chamber pressure balance, opens vapour source container and cross the quck-opening valve between heat container, due to being used in vapour source container
There are the saturated vapors of high pressure, therefore push the superheated steam in heat container to go successively to try by the pressure head in vapour source container
Container is tested, until off-test, the realization to be simple and efficient is to the secondary temperature elevation of test chamber, guarantee test container inside temperature
Degree can be rapidly performed by promotion, to be completely covered under three generations's nuclear power core grade equipment design basis accident adverse circumstances operating mode
Equipment performance evaluation requires.
Further, the output end for crossing heat container connects the main air delivering pipeline of N roots, is respectively provided on every main air delivering pipeline
Quck-opening valve, the bifurcated at one end that main air delivering pipeline is located at quck-opening valve downstream is M roots end air delivering pipeline, and all end air delivering pipelines are equal
It is connected in test chamber；Wherein M >=2, N >=2.It is that the main air delivering pipeline of N items exports superheated steam outward, M is multiplied by further through N
The end air delivering pipeline of radical amount rapidly provides a large amount of superheated steams to test chamber, and examination can be improved in a plurality of end air delivering pipeline
Container heating rate is tested, while the uniformity of temperature in test chamber can be improved.
Further, the vapour source container, be respectively provided with pressure monitoring unit, temperature monitoring unit, liquid level in test chamber
Monitoring unit；It is described to cross setting pressure monitoring unit, temperature monitoring unit in heat container.It is supervised by pressure monitoring unit, temperature
Unit, level monitoring unit monitoring vapour source container and pressure, temperature, level condition in test chamber are surveyed, staff is convenient for
Flexible regulation and control parameters.Likewise, by pressure monitoring unit, temperature monitoring unit monitored pressure in heat container and
Temperature is passed through into test chamber convenient for staff after the pressure and temperature of superheated steam reaches experiment demand again, it is ensured that
The stability in use and reliability of this system.
Preferably, the temperature monitoring unit in the test chamber is quick response thermocouple.Quick response thermocouple is every
Second frequency acquisition can reach 10 times or more, greatly improve the response sensibility to temperature change in test chamber.
Preferably, temperature monitoring unit is set on the connecting line for crossing heat container and test chamber.Convenient in advance
Between preheated heat container and test chamber when connecting line, tube wall temperature is monitored in real time, it is ensured that tube wall temperature is not
Less than the temperature of superheated steam, thoroughly prevent superheated steam and occur the phenomenon that tube wall condenses, further increases making for the present invention
Use stability.
Preferably, it is additionally provided on the connecting line crossed between heat container and vapour source container for adjusting uninterrupted
Electrically-controlled valve.Entered the uninterrupted of the saturated vapor in heat container from vapour source container by electrically-controlled valve regulation and control.Convenient for
That stablizes when secondary temperature elevation pushes superheated steam to progress into additional heat in test chamber to crossing heat container application pressure.
Further, further include auxiliary piping, one end of the auxiliary piping be connected to heat container and vapour source container it
Between the upstream end of quck-opening valve, the other end of auxiliary piping is connected in test chamber；It is provided with and is used on the auxiliary piping
Adjust the electrically-controlled valve of uninterrupted.For two traditional generation nuclear equipments, saturated vapor is converted without using crossing heat container
For superheated steam, therefore auxiliary piping is arranged in this programme, by auxiliary piping, the saturation come out from vapour source container is enabled to steam
Vapour directly enters by auxiliary piping in test chamber benchmark test under the bad working environments for realizing two generation nuclear equipments so that this
System is suitable for the same of the equipment performance evaluation test under three generations's nuclear power core grade equipment design basis accident adverse circumstances operating mode
When, the experiment of two generation nuclear power generating equipments of covering can be also taken into account, for being in the transitional commercial nuclear industry of transition with high
Adaptability.
Preferably, the quck-opening valve is ball valve.Resistance is smaller after ball valve is opened, and coefficient of partial resistance is close to 0 when standard-sized sheet,
Therefore pressure loss can be significantly reduced, it is ensured that job stability.
Benchmark test method under core grade equipment bad working environments, includes the following steps：
(a) add water into vapour source container, close vapour source container, start the heating element in vapour source container, make vapour source container
Interior gas reaches saturated-vapor state；
(b) it opens vapour source container and crosses the quck-opening valve between heat container, so that saturated vapor was entered in heat container, closed
Heat container started the heating element in heat container；Started the heating on the connecting line of heat container and test chamber simultaneously
Device；
(c) waited for that the saturated vapor in heat container was heated to form 350 DEG C~400 DEG C of temperature, the mistake of pressure 2MPa~3MPa
When hot steam, all quck-opening valves between opened heat container and test chamber feed superheated steam progress into test chamber
Experiment；
(d) after after heat container and test chamber pressure balance, open vapour source container and cross the quck-opening valve between heat container,
The superheated steam in heat container was pushed to go successively to test chamber by the pressure in vapour source container, until off-test.
This method enables to test chamber internal temperature to have high uniformity and reliability, test chamber inside 1
Environment temperature ramp reaches 100 DEG C/s or more in second, and temperature reaches 220 DEG C or more in 20 seconds, fully meets three generations's nuclear power
Equipment performance evaluation under core grade equipment design basis accident adverse circumstances operating mode requires.
Preferably, the saturated-steam temperature in step (a) in control vapour source container is between 180 DEG C~220 DEG C.
Compared with prior art, the present invention having the following advantages and advantages：
1, under core grade equipment bad working environments of the present invention performance evaluation pilot system and its test method, solve existing skill
The problem of testing equipment is difficult to meet equipment performance evaluation test demand of three generations's nuclear power generating sets under adverse circumstances operating mode in art,
Realize the purpose that equipment benchmark test requirement under adverse circumstances operating mode under three generations's nuclear power standard is completely covered.
2, under core grade equipment bad working environments of the present invention performance evaluation pilot system and its test method, suitable for three generations
While equipment performance evaluation test under nuclear power core grade equipment design basis accident adverse circumstances operating mode, covering two can be also taken into account
For the experiment of nuclear power generating equipment, there is high adaptability for being in the transitional commercial nuclear industry of transition.
Description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the connection relationship diagram of the specific embodiment of the invention 1；
Fig. 2 is the connection relationship diagram of the specific embodiment of the invention 2.
Label and corresponding parts title in attached drawing：
1- vapour source containers, 2- test chambers, 3- cross heat container, 4- quck-opening valves, 5- heating elements, the main air delivering pipelines of 6-, 7-
End air delivering pipeline, 8- pressure monitoring units, 9- temperature monitoring units, 10- level monitoring units, 11- electrically-controlled valves, 12- auxiliary
Pipeline.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1：
The pilot system of performance evaluation under core grade equipment bad working environments as shown in Figure 1, including vapour source container 1, experiment hold
Device 2 further includes being connected between vapour source container 1 and test chamber 2 to cross heat container 3, the input terminal and vapour for crossing heat container 3
Source container 1 is connected, and the output end for crossing heat container 3 is connected with test chamber 2, described to cross heat container 3 and vapour source container 1
Between, cross between heat container 3 and test chamber 2 and pass through quck-opening valve 4 and control break-make；The vapour source container 1 is crossed in heat container 3
It is respectively provided with heating element 5；Heating device is set on the connecting line for crossing heat container 3 and test chamber 2.This system works
When, first into vapour source container 1 plus water, closing vapour source container 1 start the heating element 5 in vapour source container 1, make vapour source container 1
Interior gas reaches saturated-vapor state.After the temperature rise of saturated vapor to after 180 DEG C~220 DEG C, opening 1 He of vapour source container
The quck-opening valve 4 between heat container 3 is crossed, saturated vapor is made quickly to enter in heat container 3, closed heat container 3, starts overheat
Heating element 5 in container 3；Started the heating device on the connecting line of heat container 3 and test chamber 2 simultaneously.Saturation is steamed
Vapour is in gradually superheated steam by heating, waits for that the pressure and temperature range of superheated steam is in 350 DEG C~400 DEG C of temperature, pressure
When 2MPa~3MPa, all quck-opening valves 4 between opened heat container 3 and test chamber 2 feed overheat into test chamber 2
Steam is tested.Quck-opening valve 4 is completed to open completely in 0.5s, and superheated steam is quick by the pipeline having been warmed up at this time
It pours in test chamber 2 so that can reach 100 DEG C/s or more in the 1s of heating rate after opening in test chamber 2.
After crossing 2 pressure balance of heat container 3 and test chamber, opens vapour source container 1 and cross the quck-opening valve 4 between heat container 3, due to vapour source
Using there are the saturated vapors of high pressure in container 1, therefore the overheat in heat container 3 was pushed by the pressure head in vapour source container 1
Steam goes successively to test chamber 2, until off-test, the secondary temperature elevation of test chamber 2 is protected in the realization to be simple and efficient
2 internal temperature of confirmatory test container can be rapidly performed by promotion, and temperature can reach 220 DEG C or more in 20 seconds, to cover completely
The equipment performance evaluation covered under three generations's nuclear power core grade equipment design basis accident adverse circumstances operating mode requires.
Embodiment 2：
The pilot system of performance evaluation under core grade equipment bad working environments as shown in Figure 2, on the basis of embodiment 1, institute
The output end connection main air delivering pipeline 6 of N roots of heat container 3 was stated, quck-opening valve 4, main appendix are respectively provided on every main air delivering pipeline 6
The bifurcated at one end that road 6 is located at 4 downstream of quck-opening valve is M roots end air delivering pipeline 7, and all end air delivering pipelines 7 are connected to experiment
In container 2；Wherein M >=2, N >=2.Pressure monitoring unit 8, temperature monitoring list are respectively provided in the vapour source container 1, test chamber 2
Member 9, level monitoring unit 10；It is described to cross setting pressure monitoring unit 8, temperature monitoring unit 9 in heat container 3.The experiment is held
Temperature monitoring unit 9 in device 2 is quick response thermocouple.It is arranged on the connecting line for crossing heat container 3 and test chamber 2
Temperature monitoring unit 9.It is additionally provided on the connecting line crossed between heat container 3 and vapour source container 1 big for adjusting flow
Small electrically-controlled valve 11.Further include auxiliary piping 12, one end of the auxiliary piping 12 was connected to heat container 3 and vapour source container 1
Between the upstream end of quck-opening valve 4, the other end of auxiliary piping 12 is connected in test chamber 2；It is set on the auxiliary piping 12
It is equipped with the electrically-controlled valve 11 for adjusting uninterrupted.The quck-opening valve 4 is ball valve.
Embodiment 3：
Benchmark test method under one seed nucleus grade equipment bad working environments, includes the following steps：(a) add into vapour source container
Water closes vapour source container, starts the heating element in vapour source container, the gas in vapour source container is made to reach saturated-vapor state；
(b) it opens vapour source container and crosses the quck-opening valve between heat container, so that saturated vapor was entered in heat container, closed heat container,
Started the heating element in heat container；Started the heating device on the connecting line of heat container and test chamber simultaneously；(c)
When saturated vapor in heat container be heated to form 350 DEG C~400 DEG C of temperature, pressure 2MPa~3MPa superheated steam when, beat
Quck-opening valve all between heat container and test chamber was opened, superheated steam is fed into test chamber and is tested；(d) it waited for
After heat container and test chamber pressure balance, opens vapour source container and cross the quck-opening valve between heat container, by vapour source container
Pressure pushed the superheated steam in heat container to go successively to test chamber, until off-test.This method enables to try
Testing container internal temperature has high uniformity and reliability, and environment temperature ramp reaches in 1 second inside test chamber
Temperature reaches 220 DEG C or more in 100 DEG C/s or more, 20 seconds, and it is severe fully to meet three generations's nuclear power core grade equipment design basis accident
Equipment performance evaluation under environmental working condition requires.
Preferably, the saturated-steam temperature in step (a) in control vapour source container is between 180 DEG C~220 DEG C.
Above-described specific implementation mode has carried out further the purpose of the present invention, technical solution and advantageous effect
It is described in detail, it should be understood that the foregoing is merely the specific implementation mode of the present invention, is not intended to limit the present invention
Protection domain, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. the pilot system of performance evaluation under core grade equipment bad working environments, including vapour source container (1), test chamber (2), feature
It is, further includes the heat container (3) excessively being connected between vapour source container (1) and test chamber (2), the heat container (3) excessively
Input terminal is connected with vapour source container (1), and the output end for crossing heat container (3) is connected with test chamber (2), the overheat
Between container (3) and vapour source container (1), cross between heat container (3) and test chamber (2) by quck-opening valve (4) control break-make；
The vapour source container (1), excessively heat container (3) are interior to be respectively provided with heating element (5)；It is described to cross heat container (3) and test chamber (2)
Heating device is set on connecting line.
2. the pilot system of performance evaluation under core grade equipment bad working environments according to claim 1, which is characterized in that described
The output end connection main air delivering pipeline of N roots (6) of heat container (3) is crossed, quck-opening valve (4) is respectively provided on every main air delivering pipeline (6), it is main
The bifurcated at one end that air delivering pipeline (6) is located at quck-opening valve (4) downstream is M roots end air delivering pipeline (7), all end air delivering pipelines
(7) it is connected in test chamber (2)；Wherein M >=2, N >=2.
3. the pilot system of performance evaluation under core grade equipment bad working environments according to claim 1, which is characterized in that described
It is respectively provided with pressure monitoring unit (8), temperature monitoring unit (9), level monitoring unit in vapour source container (1), test chamber (2)
(10)；It is described to cross setting pressure monitoring unit (8), temperature monitoring unit (9) in heat container (3).
4. the pilot system of performance evaluation under core grade equipment bad working environments according to claim 3, which is characterized in that described
Temperature monitoring unit (9) in test chamber (2) is quick response thermocouple.
5. the pilot system of performance evaluation under core grade equipment bad working environments according to claim 1, which is characterized in that described
It crosses and temperature monitoring unit (9) is set on the connecting line of heat container (3) and test chamber (2).
6. the pilot system of performance evaluation under core grade equipment bad working environments according to claim 1, which is characterized in that described
The electrically-controlled valve (11) for adjusting uninterrupted is additionally provided on the connecting line crossed between heat container (3) and vapour source container (1).
7. the pilot system of performance evaluation under core grade equipment bad working environments according to claim 1, which is characterized in that also wrap
Auxiliary piping (12) is included, one end of the auxiliary piping (12) was connected to opening soon between heat container (3) and vapour source container (1)
The upstream end of valve (4), the other end of auxiliary piping (12) are connected in test chamber (2)；It is arranged on the auxiliary piping (12)
It is useful for the electrically-controlled valve (11) of adjustment uninterrupted.
8. the pilot system of performance evaluation under core grade equipment bad working environments according to claim 1, which is characterized in that described
Quck-opening valve (4) is ball valve.
9. benchmark test method under the core grade equipment bad working environments based on any pilot system in claim 1 to 8,
It is characterized by comprising the following steps：
(a) to vapour source container (1) Zhong Jiashui, closing vapour source container (1) starts the heating element (5) in vapour source container (1), makes
Gas in vapour source container (1) reaches saturated-vapor state；
(b) it opens vapour source container (1) and crosses the quck-opening valve (4) between heat container (3), saturated vapor is made to enter heat container (3)
In, heat container (3) was closed, the heating element (5) in heat container (3) was started；Started heat container (3) simultaneously and experiment is held
Heating device on the connecting line of device (2)；
(c) waited for that the saturated vapor in heat container (3) was heated to form 350 DEG C~400 DEG C of temperature, the overheat of pressure 2MPa~3MPa
When steam, all quck-opening valves (4), fed into test chamber (2) between opened heat container (3) and test chamber (2)
Hot steam is tested；
(d) after after heat container (3) and test chamber (2) pressure balance, open between vapour source container (1) and mistake heat container (3)
Quck-opening valve (4), by the pressure in vapour source container (1) pushed the superheated steam in heat container (3) go successively to experiment hold
Device (2), until off-test.
10. benchmark test method under core grade equipment bad working environments according to claim 9, which is characterized in that step
(a) saturated-steam temperature in control vapour source container (1) is between 180 DEG C~220 DEG C.
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| CN111627577A (en) * | 2020-06-05 | 2020-09-04 | 中国核动力研究设计院 | Test system and test method for performance evaluation of active equipment in accident environment |
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| CN111627577A (en) * | 2020-06-05 | 2020-09-04 | 中国核动力研究设计院 | Test system and test method for performance evaluation of active equipment in accident environment |
| CN111627577B (en) * | 2020-06-05 | 2022-02-22 | 中国核动力研究设计院 | Test system and test method for performance evaluation of active equipment in accident environment |
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