CN106653110A - External-cooling full-height comprehensive test platform for large-scale advanced reactor pressure vessel - Google Patents
External-cooling full-height comprehensive test platform for large-scale advanced reactor pressure vessel Download PDFInfo
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- CN106653110A CN106653110A CN201610791504.9A CN201610791504A CN106653110A CN 106653110 A CN106653110 A CN 106653110A CN 201610791504 A CN201610791504 A CN 201610791504A CN 106653110 A CN106653110 A CN 106653110A
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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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- General Engineering & Computer Science (AREA)
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Abstract
The invention provides an external-cooling full-height comprehensive test platform for a large-scale advanced reactor pressure vessel. The test platform comprises a main device loop system, a condensing and cooling system, a water supply and preheating system, a water chemistry adjusting system and a pressure control system, the condensing and cooling system is used for controlling and adjusting temperature of primary fluid in an upper water tank of the main device loop system and providing circularly cooling for test water in the upper water tank, the water supply and preheating system is used for providing the test water to the main device loop system, initially preheating the test water and keeping temperature, the water chemistry adjusting system is communicated with a lower water tank of the main device loop system and used for controlling solute and concentration of water chemistry solution in different tests, and the pressure control system is used for controlling pressure of the upper water tank. According to the test platform, engineering verification test of value and distribution of boiling heat transfer limit CHF (critical heat flux) of the outer wall of a lower sealing head of the pressure vessel can be determined when IVR-ERVC (in-vessel retention-external reactor vessel cooling) is implemented under severe accident conditions.
Description
Technical field
The present invention relates to reactor pressure vessel outside cooling full-height test platform, in particular it relates to a kind of large-scale elder generation
Enter reactor pressure vessel outside cooling full-height all-around test stand.
Background technology
One of important measures as Severe accident management, fused mass is detained (IVR) by taking reactor pressure in heap
The outside cooling provision (ERVC) of force container (RPV), fused mass heat is discharged, and fused mass is stranded in RPV.
Typically studying the test-bed of IVR-ERVC in the world mainly has ULPU campaigns stand and SBLB stands.Its
In, ULPU series stand (I, II, III) mainly for AP600 geometries and Parameter of Overall Design, IV, V mainly for
AP1000 is designed.SBLB stands carry out three-dimensional contracting to prototype pressure vessel size than design, and then simulate the pressure under major accident
The force container outside cooling limit.Additionally, the country also has carries out the outside of the lower head of pressure vessel after contracting ratio cooling test device.
There are some researches show, with the increase of lower head of pressure vessel radius, it is meant that the increase of heated upstream length, can make
The void fraction of CHF (critical heat flux density) point increases, and makes the position that boiling crisis phenomenon easily to occur.
Because ERVC pressure vessels (RPV) low head outer wall critical heat flux is distributed the specificity of mechanism and rule, due to
Flow passage characteristic research has more careful requirement to Modulated Design between prototype and model, so experimental rig is anti-with prototype
Answer heap RPV geometric parameters, water filling height, and have close corresponding relation between related operating mode etc.；And analyzed and tested
Research shows that RPV outer walls are sufficiently complex with critical heat flux mechanism towards the boiling heat transfer on lower surface camber, CHF distribution both with molten bath
Heat flux distribution is relevant, also related strong with parameters such as RPV low head external diameters, wall thickness.And engineering verification test must obtain reliability
Can directly using quantized data and rule with real heap outer wall critical heat flux, rather than only qualitative conclusions or tendency are tied
Really.
Chinese large-sized advanced pressurized water reactor CAP1400 is also contemplated for taking passive this severe accident relieving side of IVR-ERVC
Case, compares AP1000 and is obviously improved due to CAP1400 power, and wall thermic load is uneven causes under major accident
Local heat load increases in RPV, so as to propose larger challenge to ERVC abilities.For this purpose, in the urgent need to one can be more smart
The full-height synthesis of true simulation CAP1400 design features, reactor core and pressure vessel (RPV) parameter and major accident working condition
Test platform.
The content of the invention
For defect of the prior art, it is an object of the invention to provide outside a kind of large-scale advanced reactor pressure vessel
Cooling full-height all-around test stand.
The large-scale advanced reactor pressure vessel outside cooling full-height all-around test stand that the present invention is provided, including main dress
Put circuit system, condensation and cooling system, water supply and pre-heating system, water chemistry regulating system and control pressurer system；
The condensation and cooling system, for carrying out temperature control for a fluid in the upper water box of master device circuit system
And regulation, provide circulating cooling for test water in upper water box；
The water supply and pre-heating system, for providing test water to master device circuit system and carrying out the first of test water
Beginning preheats and is incubated；
The lower header for connecting the master device circuit system of water chemistry regulating system, for controlling different tests in
The solute and concentration of water chemistry solution；
The control pressurer system, for controlling the pressure of upper water box.
Preferably, the master device circuit system include lower header, Test section, tedge, upper water box, down-flow pipe,
Entrance hydroecium and entrance water pipe；
On the one hand the upper water box connects the lower header by lifting pipe, on the other hand connects institute by declining water tank
State entrance hydroecium；
The entrance hydroecium connects the lower header；First liquid level gauge is provided with the upper water box；The decline water tank
On be provided with second liquid level gauge；
Test section is provided with the upside arcwall face of the lower header.
Preferably, the condensation includes cooling circuit, circulating pump and plate type heat exchanger with cooling system；
Wherein, one end of the cooling circuit connects the upper water box, and the other end connects the water inlet of the circulating pump；Institute
On the one hand the delivery port for stating circulating pump connects the upper water box, on the other hand connects the upper water box by plate type heat exchanger.
Preferably, the control pressurer system includes compressed air subsystem, cooling cylinder subsystem and spraying subsystem；
On the one hand source of the gas is used to supply Stress control to upper water box air lift in the compressed air subsystem, for 1～
Pressure at upper water box is controlled in the range of the containment atmospheric pressure of 5.07bar；One side supply circuit purging system；The upper water
Box top arranges drain valve, for providing exhaust and overpressure protection；
Cooling cylinder subsystem, for the condensation in upper water box, while also controlling pressure in upper water box；
The spraying subsystem connects the shower nozzle of upper water box.
Preferably, it is described water supply with pre-heating system include the first attemperater, the first hot-water boiler, the second hot-water boiler,
Second attemperater；
First hot-water boiler connects first attemperater；The second hot-water boiler connection described second is incubated
Water tank；First attemperater, second attemperater connect the lower header
The first attemperater connection running water water source；Water system is made in the second attemperater connection；
The delivery port of the first attemperater and the second attemperater is provided with temperature point.
Preferably, heated wall temperature point, runner visualization are provided with Test section and survey window, CHF wall temperature monitoring stations
With heat block overtemperature monitoring stations；
Flow measuring point, temperature point, pressure-measuring-point, pressure reduction measuring point are set on master device circuit system, to loop in test
Everywhere thermodynamic state operating mode makees on-line measurement.
Preferably, also including loop purging system；
Loop purging system for master device circuit system provide running water and deionized water on fill, under let out and soak clear
Wash；Based on loop apparatus system provide fill exhaust and dry preservation.
Preferably, also including circulating cooling system；
Wherein, circulating cooling system connection condensation and cooling system and the cooling cylinder subsystem of control pressurer system, are used for
Cooling is circulated to condensation and cooling system, heat derived from cooling cylinder subsystem.
Preferably, also including chemical wastewater processing system；
The chemical wastewater processing system is used for the experiment draining produced to the master device circuit system, by cooling down drop
Temperature, filtration, ion-exchange treatment.
Preferably, also including TT＆C system；
The TT＆C system, for the test signal collection of each measuring point on master device circuit system, and test signal is passed
To the monitoring of observing and controlling room.
Compared with prior art, the present invention has following beneficial effect：
1st, geometry, structure and the working condition of IVR-ERVC, Neng Goushi are implemented in this year invention with reference to large-scale advanced pressurized water reactor
The flowing of research IVR-ERVC two phase natural circulations is tested with heat transfer transient state；For this purpose, one aspect of the present invention disclosure satisfy that the serious thing of real heap
Therefore under the conditions of the heating power running status such as various temperature, pressures；On the other hand checking test and research device are carried out Modulated Design with
Inspection, makes the test simulation for flowing two phase natural circulation with heat transfer transient system characteristic, relative to " the modelling deformation " of prototype
It is as little as possible with uncertainty, enable test platform preferably to provide prototype flowing and heat-transfer character；
2nd, the present invention, according to large-scale advanced pressurized water reactor actual design feature, can be determined tight under the conditions of full-height
Weight emergency conditions under implement IVR-ERVC when lower head of pressure vessel outer wall boiling heat transfer limit value critical heat flux (CHF) value with
The engineering verification test of distribution；It is that this test platform simulates control, circulatory flow structure etc. in heating efficiency, heating heat flux distribution
Aspect possesses the condition for carrying out engineering verification test, is tested by engineering verification, measures and provides CAP1400 and implement under ERVC
End socket CHF distribution relation formulas；
3rd, by the corresponding setting and design aided in the system of support, it can carry out some key factors and (follow the present invention
Circulation, local resistance characteristic (particularly importing and exporting component design, heat-insulation layer runner geometry), degree of supercooling, heating wall material
Material and surface characteristic, hydrochemical characteristics etc.) to IVR-ERVC flow passages and low head heat-transfer character (contain flow instability and
Critical heat flux) affect sensitivity tests, to summarize the affecting laws of these factors, that is, require that experimental rig platform can be combined
About changing Test section and the control and regulation means for having related parameter etc., can realize that relevant sensitivity is joined in prototype condition and range
Several quantitative regulations and control；
4th, the heating module in the present invention is through meticulous special demonstration and designs, to meet adding for local high heat flux
Heat request (local heat flux at least needs the ability for reaching more than 2.0MW/m2)；Meanwhile, local temperature should be monitored to heating module, and
Manually heating power can be cut off with automated manner, be added with guarantee thermally safe；Additionally, electrical system need to possess enough appearances
Amount, to meet heating energy supply and other power-equipment demands；
5th, the present invention should arrange the temperature for meeting certainty of measurement requirement in terms of design of detecting and controlling system on Test section
The measuring point such as (wall temperature, fluid temperature (F.T.) etc.), flow, pressure, pressure reduction, measures or monitors the major loop device system such as temperature, pressure, stream everywhere
Work condition state parameter, and effective measurement of the temperature, heat flux and critical heat flux in realizing testing indirectly on body surface, together
When error in measurement need to be effectively controlled；Additionally, the access of auxiliary and support system, the startup of pump, valve opening regulation etc. should
It is controlled in observing and controlling room；
6 present invention arrange corresponding pressure-measuring-point on experimental rig, make to be measured in heat-insulation layer in process of the test
Wall pressure and other parameters everywhere, to investigate distribution of force situation of the heat-insulation layer in process of the test.
Description of the drawings
The detailed description by reading non-limiting example made with reference to the following drawings, the further feature of the present invention,
Objects and advantages will become more apparent upon：
Fig. 1 is test platform architecture schematic diagram in the present invention；
Fig. 2 is the schematic diagram in master device loop in the present invention；
Fig. 3 is the schematic diagram of condensation and cooling system in the present invention；
Fig. 4 is the schematic diagram of control pressurer system in the present invention；
Fig. 5 is the schematic diagram supplied water with pre-heating system in the present invention；
Fig. 6 is the schematic diagram of water chemistry regulating system in the present invention；
Fig. 7 is the schematic diagram of circulating cooling system of the present invention.
In figure：
1 is first liquid level gauge；2 is second liquid level gauge；3 are decline water tank；4 is entrance hydroecium；5 is upper water box；6 is second
Tedge；7 is the first tedge；8 is lower header；9 is Test section.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some deformations and improvement can also be made.These belong to the present invention
Protection domain.
In the present embodiment, the large-scale advanced reactor pressure vessel outside cooling full-height compbined test that the present invention is provided
Platform, including master device circuit system (lower header, Test section, tedge, upper water box, down-flow pipe, entrance hydroecium and enters
Saliva pipe)；Accessory system is (clear with pre-heating system, loop with cooling system, hydrochemical characteristics regulating system, water supply including condensation
Wash system, control pressurer system, condensation and cooling system)；Support system (circulating cooling system, is made at water system, chemical wastewater
Reason system, test section preparation system)；TT＆C system (measuring system, acquisition and control system)；Electrical system is (high-power
Power supply)
The condensation and cooling system, for carrying out temperature control for a fluid in the upper water box of master device circuit system
And regulation, provide circulating cooling for test water in upper water box；
The water supply and pre-heating system, for providing test water to master device circuit system and carrying out the first of test water
Beginning preheats and is incubated；
The lower header for connecting the master device circuit system of water chemistry regulating system, for controlling different tests in
The solute and concentration of water chemistry solution；
The control pressurer system, for controlling the pressure of upper water box.
The master device circuit system includes lower header, Test section, tedge, upper water box, down-flow pipe, entrance hydroecium
And entrance water pipe；
On the one hand the upper water box connects the lower header by lifting pipe, on the other hand connects institute by declining water tank
State entrance hydroecium；
The entrance hydroecium connects the lower header；First liquid level gauge is provided with the upper water box；The decline water tank
On be provided with second liquid level gauge；
Test section is provided with the upside arcwall face of the lower header.
Water inlet is located at respectively in lower header, upper water box with steam discharge, main pipeline upper space and ring corridor simulating piece；
The Test section is provided with different heating wall material, such as copper billet heating material, LA heating leiomyoma cells, be used for into
Row copper billet heats the test with leiomyoma cells heating；
Heated wall temperature point, runner visualization are provided with Test section and survey window, CHF wall temperatures monitoring stations and heat block
Overtemperature monitoring stations；
Flow measuring point, temperature point, pressure-measuring-point, pressure reduction measuring point are set on master device circuit system, to loop in test
Everywhere thermodynamic state operating mode makees on-line measurement；Additionally, being additionally provided with pressure-measuring-point on heat-insulation layer analogue body；
The heating block temperature measuring point of Test section arranges heated wall high temperature alarm and cuts off function with power, it is ensured that CHF is tried
Test middle heating module safety；
Electric heater is provided with upper water box, lower header, upper water box is connected with condensation with cooling system, in carrying out loop
Fluid temperature (F.T.) and the control of fluid inlet temperature, adjust operating condition of test, reach test desired parameters；
Loop arranges gas pressure control and voltage stabilizing function, by the subsystems such as compressed air, cooling cylinder, spraying or part
Control experiment desirable pressure；Meanwhile, loop is provided with drain valve, can carry out manual release；
By loop water-filling and draining, control loop water level；The initial fill in loop is by the water supply being attached thereto and preheating
System is provided, the preheated test water (deionized water and running water) of injection before test；Can moisturizing in test；
Consideration carries out flow rate sensitive test needs, can arrange forced circulation operating mode, carries out loop within the specific limits
Flow-rate adjustment and test；To carry out the checking that hydrochemical characteristics affects on CHF, adjusted with water chemistry by loop in initial fill
The connection of section system, controls the solute and concentration of water chemistry solution in different tests；Test used chemical wastewater and drain into waste water
Processing system, discharges after process.
The present invention is additionally provided with the accessory system and support system related to test platform test, operation.
The condensation includes cooling circuit, circulating pump and plate type heat exchanger with cooling system；
Wherein, one end of the cooling circuit connects the upper water box, and the other end connects the water inlet of the circulating pump；Institute
On the one hand the delivery port for stating circulating pump connects the upper water box, on the other hand connects the upper water box by plate type heat exchanger.
Plate type heat exchanger provides primary side thermic load (amount of cooling water of test water i.e. in the upper water box of master device loop) to ring
The discharge in border；The system need to ensure that cooling capacity matches with heating efficiency.
The control pressurer system, for controlling the pressure of upper water box；
The control pressurer system includes compressed air subsystem, cooling cylinder subsystem and spraying subsystem；
On the one hand source of the gas is used to supply Stress control to upper water box air lift in the compressed air subsystem, for 1～
Pressure at upper water box is controlled in the range of the containment atmospheric pressure of 5.07bar；One side supply circuit purging system；The upper water
Box top arranges drain valve, for providing exhaust and overpressure protection；
Cooling cylinder subsystem, for being condensed in upper water box, by condensing headroom steam heat extraction is carried out；Also have simultaneously
The effect of pressure in control upper water box.Cooling cylinder subsystem upper water box top, to condensing in upper water box.Cooling cylinder system
Operation principle is：Red copper condenser coil is housed, the cooling water in coil pipe comes autocondensation and cooling system on the side cover of cooling cylinder；It is cold
Solidifying bottom plate is designed to be downwardly inclined；Steam inlet pipe caliber 60mm, is connected to upper water box top to cooling cylinder base plate；Outlet pipe caliber
30mm, by cooling cylinder base plate upper water box bottom is connected to；
The spraying subsystem connects the shower nozzle of upper water box.
The water supply and pre-heating system, for providing test water to master device circuit system and carrying out the first of test water
Beginning preheats and is incubated；The water supply and pre-heating system include the first attemperater, the first hot-water boiler, the second hot-water boiler, the
Two attemperaters；
First hot-water boiler connects first attemperater；The second hot-water boiler connection described second is incubated
Water tank；First attemperater, second attemperater connect the lower header
The first attemperater connection running water water source；Water system is made in the second attemperater connection；
The delivery port of the first attemperater and the second attemperater is provided with temperature point.When test water filling or moisturizing, only make
With a branch road, another branch road is then turned off.It is that test prepares the deionized water for meeting water quality requirement to make water system.
Running water is from water source or makes the running water or deionized water of water system water storage tank and is pumped into accordingly by centrifugal pump respectively
Heat in electrical heating hot-water boiler or be incubated, then according to water filling and the needs of moisturizing, by hot water centrifugal pump, injection or benefit
Lower header in host devices circuit system.
Additionally, two water supply branch roads can also be connected with water chemistry regulating system, the water chemistry factor of critical heat flux is carried out
When affecting sensitivity tests, one of two water supply branch roads prepare the resource of water supply of water chemistry solution as water chemistry regulating system.
Loop purging system for master device circuit system provide running water and deionized water on fill, under let out and soak clear
Wash；Based on loop apparatus system provide fill exhaust and dry preservation.
After test is interrupted or is terminated, the cleaning that loop should be carried out and maintenance, with meet test again when available requirement,
Reduce master device system unit to corrode because moist, or reduce master device system affects follow-up because of the residual after water chemistry test
The possibility of test effect.
System be utilized respectively supply water with the waterflood-transmission line of pre-heating system, control pressurer system compressed air injection pipeline with
And nitrogen cylinder group carries out water filling cleaning and maintains with gas injection.
Before on-test or after off-test, master device system is noted by supplying water under emptying state with pre-heating system
Enter running water or deionized water and pass through forced circulation and discharge, cleaned for several times；After water cleaning, then by Stress control system
The compressed air subsystem of system is noted for several times, is vented；The final nitrogen cylinder group using subsystem of spraying in control pressurer system
(pressurized tank emptying), to master device system gas injection (and time-delaying deflation), Jing rear enclosed master device systems for a period of time carry out (nitrogen
Envelope) dry preservation.
Circulating cooling system is the ultimate heat sink of test platform, and by cooling tower test heating heat is discharged；And for power supply,
Rack, water chemistry etc. provide cooling water.Circulating cooling system connection condensation and cooling system and the cooling cylinder of control pressurer system
Subsystem, for being circulated cooling to condensation and cooling system, heat derived from cooling cylinder subsystem；
More specifically, the heat that master device circuit system is produced in process of the test is by condensation and cooling system, cold
Solidifying case subsystem is derived, and adds test platform other heat loads (such as power supply, rack cooling), using circulating cooling system as
Ultimate heat sink.Derive these heats once, secondary cooling water in the heat exchanger of circulating cooling system with by 2 cool down
The cooling water of tower cooler cooling carries out heat exchange, so as to keep the heat balance of test platform.
According to testing program, when water chemistry factor is carried out on critical heat flux impact test, pilot system water inlet need to add
Plus the boric acid of thousands of ppm concentration, sodium phosphate and acetic acid zincon.Every time above-mentioned chemical agent concentration contained in test water is not
Together, and displacement of volume is larger, such as it is sent to chemical laboratory liquid waste processing center and focuses on by collecting, needs Large Copacity to deposit
Storage and transfer container, high cost.Such as unprocessed direct discharge, severe contamination will certainly be caused to environment, therefore, chemical wastewater
Processing system by cooling and filtering, the water treatment technology of a system such as ion exchange, is realized real for experiment draining
Test draining innoxious, meet municipal wastewater and collect pipe network and receive pipe requirement, qualified discharge.
TT＆C system is used for test according to actual system design and the signal for needing to be independently arranged measuring point, and measuring point signal can be by
Live teletransmission to observing and controlling room monitors.
Wherein, important parameter collection on master trip device loop, using the high-performance data acquisition system of NI companies；Test
The control of body heating power, auxiliary and the collection of support system signal and control, using Shanghai Xinhua group company is controlled
XDC800 intelligent distributed control system systems (DCS).TT＆C system is by on-site signal transmitter → 3 grades of electric room → master control room
Composition；Modbus data communication is adopted between high-performance data acquisition system and DCS system, data sharing is realized.Experimental rig
All important parameters can carry out concentrated collection, display, storage and signal transacting in master control room；Control system can led
Control room carries out remotely control, it is also possible to is switched to and controls on the spot.
In the present embodiment, the present invention is the one-dimensional experimental rig of full-height, simulation ERVC flows outsides and heat transfer；It is high-power
Indirectly heat, hot-fluid size/distribution is adjustable, simulates molten bath thermal source；Visualization section, the distributed two-phase dynamic of full loop is surveyed
Amount；Natural Circulation and forced circulation both of which, can carry out comparative study；The auxiliary and support system of platform can be ensured not
With experimental rig trouble-free operation under working condition, and can further carry out the more multifactorial experiment such as water chemistry, surface characteristic and test
Card；Platform possesses certain parameter surplus with upgrading expansion condition with respect to prototype.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can within the scope of the claims make various modifications or modification, this not shadow
Ring the flesh and blood of the present invention.
Claims (10)
1. a kind of large-scale advanced reactor pressure vessel outside cools down full-height all-around test stand, it is characterised in that including master
Device circuit system, condensation and cooling system, water supply and pre-heating system, water chemistry regulating system and control pressurer system；
The condensation and cooling system, for carrying out temperature control and tune for a fluid in the upper water box of master device circuit system
Section, for test water in upper water box circulating cooling is provided；
The water supply and pre-heating system, for providing test water to master device circuit system and carrying out the initial pre- of test water
Heat is simultaneously incubated；
The lower header for connecting the master device circuit system of water chemistry regulating system, for controlling different tests in aquation
Learn the solute and concentration of solution；
The control pressurer system, for controlling the pressure of upper water box.
2. large-scale advanced reactor pressure vessel outside according to claim 1 cools down full-height all-around test stand, its
It is characterised by, the master device circuit system includes lower header, Test section, tedge, upper water box, down-flow pipe, enters saliva
Room and entrance water pipe；
On the one hand the upper water box connects the lower header by lifting pipe, on the other hand by declining to enter described in water tank connection
Saliva room；
The entrance hydroecium connects the lower header；First liquid level gauge is provided with the upper water box；Set on the decline water tank
It is equipped with second liquid level gauge；
Test section is provided with the upside arcwall face of the lower header.
3. large-scale advanced reactor pressure vessel outside according to claim 2 cools down full-height all-around test stand, its
It is characterised by, the condensation includes cooling circuit, circulating pump and plate type heat exchanger with cooling system；
Wherein, one end of the cooling circuit connects the upper water box, and the other end connects the water inlet of the circulating pump；It is described to follow
On the one hand the delivery port of ring pump connects the upper water box, on the other hand connects the upper water box by plate type heat exchanger.
4. large-scale advanced reactor pressure vessel outside according to claim 1 cools down full-height all-around test stand, its
It is characterised by, the control pressurer system includes compressed air subsystem, cooling cylinder subsystem and spraying subsystem；
On the one hand source of the gas is used to supply Stress control to upper water box air lift in the compressed air subsystem, in 1～5.07bar
Containment atmospheric pressure in the range of control upper water box at pressure；One side supply circuit purging system；The upper water box top
Drain valve is set, for providing exhaust and overpressure protection；
Cooling cylinder subsystem, for the condensation in upper water box, while also controlling pressure in upper water box；
The spraying subsystem connects the shower nozzle of upper water box.
5. large-scale advanced reactor pressure vessel outside according to claim 1 cools down full-height all-around test stand, its
It is characterised by, the water supply includes that the first attemperater, the first hot-water boiler, the second hot-water boiler, second protect with pre-heating system
Reservoir；
First hot-water boiler connects first attemperater；The second hot-water boiler connection described second is incubated water
Case；First attemperater, second attemperater connect the lower header
The first attemperater connection running water water source；Water system is made in the second attemperater connection；
The delivery port of the first attemperater and the second attemperater is provided with temperature point.
6. large-scale advanced reactor pressure vessel outside according to claim 2 cools down full-height all-around test stand, its
It is characterised by, heated wall temperature point, runner visualization is provided with Test section and surveys window, CHF wall temperatures monitoring stations and heating
Block overtemperature monitoring stations；
Flow measuring point, temperature point, pressure-measuring-point, pressure reduction measuring point are set on master device circuit system, to loop in test everywhere
Thermodynamic state operating mode makees on-line measurement.
7. large-scale advanced reactor pressure vessel outside according to claim 1 cools down full-height all-around test stand, its
It is characterised by, also including loop purging system；
Loop purging system for master device circuit system provide running water and deionized water on fill, under let out and soaking and washing；For
Major loop apparatus system is provided and fills exhaust and dry preservation.
8. large-scale advanced reactor pressure vessel outside according to claim 4 cools down full-height all-around test stand, its
It is characterised by, it is characterised in that also including circulating cooling system；
Wherein, circulating cooling system connection condensation and cooling system and the cooling cylinder subsystem of control pressurer system, for cold
It is solidifying to be circulated cooling with cooling system, heat derived from cooling cylinder subsystem.
9. large-scale advanced reactor pressure vessel outside according to claim 1 cools down full-height all-around test stand, its
It is characterised by, also including chemical wastewater processing system；
The chemical wastewater processing system is used for the experiment draining produced to the master device circuit system, by cooling,
Filtration, ion-exchange treatment.
10. large-scale advanced reactor pressure vessel outside according to claim 1 cools down full-height all-around test stand, its
It is characterised by, also including TT＆C system；
The TT＆C system, for the test signal collection of each measuring point on master device circuit system, and reaches survey by test signal
The monitoring of control room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791504.9A CN106653110A (en) | 2016-08-31 | 2016-08-31 | External-cooling full-height comprehensive test platform for large-scale advanced reactor pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610791504.9A CN106653110A (en) | 2016-08-31 | 2016-08-31 | External-cooling full-height comprehensive test platform for large-scale advanced reactor pressure vessel |
Publications (1)
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| 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 |
| CN109030547A (en) * | 2018-07-24 | 2018-12-18 | 哈尔滨工程大学 | CHF studies visual experimental apparatus in a kind of Rectangular Narrow Channel of bidirectional visual |
| CN111063465A (en) * | 2019-12-13 | 2020-04-24 | 上海交通大学 | Melt release and shape control device for nuclear power station serious accident research |
| CN111399557A (en) * | 2020-02-26 | 2020-07-10 | 上海交通大学 | Automatic particle concentration regulating system for loop laser particle velocity measurement |
| CN111540493A (en) * | 2020-05-18 | 2020-08-14 | 国核自仪系统工程有限公司 | Array type gas injection device |
| CN114023471A (en) * | 2021-10-28 | 2022-02-08 | 苏州热工研究院有限公司 | Pressurized water reactor nuclear power station simulation experiment bench |
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| CN115985536A (en) * | 2022-12-15 | 2023-04-18 | 中国核动力研究设计院 | Experimental method suitable for boiling critical behavior research of natural circulation system |
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| CN109030547A (en) * | 2018-07-24 | 2018-12-18 | 哈尔滨工程大学 | CHF studies visual experimental apparatus in a kind of Rectangular Narrow Channel of bidirectional visual |
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| CN111063465B (en) * | 2019-12-13 | 2023-08-22 | 上海交通大学 | Fusion releasing and shape controlling device for nuclear power station serious accident research |
| CN111063465A (en) * | 2019-12-13 | 2020-04-24 | 上海交通大学 | Melt release and shape control device for nuclear power station serious accident research |
| CN111399557A (en) * | 2020-02-26 | 2020-07-10 | 上海交通大学 | Automatic particle concentration regulating system for loop laser particle velocity measurement |
| CN111399557B (en) * | 2020-02-26 | 2021-08-06 | 上海交通大学 | Automatic particle concentration regulating system for loop laser particle velocity measurement |
| CN111540493A (en) * | 2020-05-18 | 2020-08-14 | 国核自仪系统工程有限公司 | Array type gas injection device |
| CN114023471A (en) * | 2021-10-28 | 2022-02-08 | 苏州热工研究院有限公司 | Pressurized water reactor nuclear power station simulation experiment bench |
| CN114023471B (en) * | 2021-10-28 | 2023-05-30 | 苏州热工研究院有限公司 | Pressurized water reactor nuclear power station simulation experiment bench |
| CN114200974A (en) * | 2021-12-03 | 2022-03-18 | 上海交通大学 | Fine pressure regulation and control experiment system of IVR-ERVC experiment device |
| CN115985536A (en) * | 2022-12-15 | 2023-04-18 | 中国核动力研究设计院 | Experimental method suitable for boiling critical behavior research of natural circulation system |
| CN115985536B (en) * | 2022-12-15 | 2023-09-12 | 中国核动力研究设计院 | Experimental method suitable for boiling critical behavior research of natural circulation system |
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