CN108181099A - A kind of nuclear reactor pressurizer safety valve leak test by filling water system and its test method - Google Patents
A kind of nuclear reactor pressurizer safety valve leak test by filling water system and its test method Download PDFInfo
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- CN108181099A CN108181099A CN201711455892.4A CN201711455892A CN108181099A CN 108181099 A CN108181099 A CN 108181099A CN 201711455892 A CN201711455892 A CN 201711455892A CN 108181099 A CN108181099 A CN 108181099A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
Abstract
The invention discloses a kind of nuclear reactor pressurizer safety valve leak test by filling water system and methods, the circuit can carry out vacuum, air and low pressure, middle pressure waterpower water seal experiment, the announcement water seal process of waterpower sealing structure for water and waterpower water seal mechanism phenomenon under multicomponent incoagulable gas.The circuit is mainly comprising deionization water manufacturing system, heating water tank, heat-exchanger pump, pressure vessel, vacuum pump, incoagulable gas, exhaust relief port, water seal experimental section, control and acquisition system etc..Experimental pressure ranging from 0.1 1.0MPa, temperature range are 0 180 DEG C.The experimental loop of the present invention can realize the visual of sealing structure for water experimental phenomena.Circuit pressure container uses integrated design, while is equipped with many places sensing device.The present invention has many advantages, such as that safe, test data precision is high, is easily installed repair.
Description
Technical field
The invention belongs to nuclear-plant performance verification experimental study technical fields, and in particular to a kind of nuclear reactor is steady
Depressor safety valve leak test by filling water system and its test method.
Background technology
Nuclear power plant voltage stabilizer is that primary Ioops pressure is maintained setting valve, adjusts the important equipment of primary Ioops pressure.Steady
Depressor safety valve upstream is equipped with sealing structure for water, it is therefore an objective to which the hydrogen for reducing voltage-stablizer vapor phase space passes through safety valve escape to release
Case, the hydraulic load and slow down safety valve temperature wave that reduction safety valve downstream line and pressurizer safety valve pressure inlet are born
It is dynamic.Early in the late 19th century, Britain turbulent flow expert Reynolds just has studied how U-tube water seal prevents sewer oxious gas from entering
Fang Zhong, using U-tube water-stop come sewer odor is prevented to enter in bathroom and lavatory is usual way in building trade.By
In the molecular weight very little of hydrogen, there is very strong fugacity, hydrogen is easy to be leaked to Nuclear Power Station Factory Building from the gap of valve
It is interior, unpredictalbe influence and accident may be caused.Therefore, it is necessary to hydrogen is prevented to leaking in the setting water seal of safety valve front end
Dew for heat transfer condensation complicated in sealing structure for water, is needed in the water seal situation of reactor start-up phase security valve leading portion
Experimental verification.
The leak test by filling water of pressurizer safety valve waterpower is mainly studied under high-pressure situations due to the nature formed outside pipe with air
Heat convection leads to the pearl condensation and film condensation of steam in pipe, so as to which accumulation forms showing for water seal liquid level in collecting tank
As.The experiment for condensing the phenomenon that forming water seal outside Current Domestic for steam is seldom, and the application of water seal is generally cold conditions water seal,
Such as the elaboration about gate structure water seal experimental provision and method in ZL201510402043.7, it is mainly used for hydraulic gate water seal
The research of deformation and water shutoff characteristic under state.For it is hot it is with pressure in the case of condensation from water seal phenomenon research it is more deficient
Weary, water seal phenomenon is more important in nuclear reactor, and therefore, this patent provides the experimental provision for studying this phenomenon and experiment side
Method.
Invention content
The purpose of the present invention is be directed to above-mentioned experimental rig or pilot system not applying to or be unsatisfactory for nuclear engineering field to steady
The demand of depressor safety valve waterpower leak test by filling water research, providing one kind being capable of reduction reaction heap pressurizer safety valve water to greatest extent
The pilot system and its test method of power water seal phenomenon, system of the present invention can obtain liquid level at sealing structure for water, pressure, temperature
Degree, while the influence that incondensable gas forms water seal in voltage-stablizer can be obtained again, it is that nuclear reactor is steady during heap is played
The judgement of depressor internal safety valve water seal situation provides foundation.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of nuclear reactor pressurizer safety valve leak test by filling water system, including deionization water manufacturing system 1, connection deionization system
First small pump 201 of the first flow control valve 801 of water system, 201 other end of the first small pump connection heating water tank 3, adds
3 low side of boiler is connected with the first blowdown valve 802, while heating water tank 3 is built-in with multigroup heating rod, and every group of heating rod power is
60kW；Heating water tank 3 is externally connected to the first differential pressure transmitter 1001 for measuring its liquid level；The outlet of heating water tank 3 setting first
Temperature sensor 901；They play in the loop provides deionized water less than saturation temperature for test loop, at the same ensure plus
The normal table work of heating rod, the composition described above water source and pre-heating module of pilot system in boiler；
3 downstream connection of heating water tank has high-temperature pump 202, and high-temperature pump 202 connects second flow control valve 803, second flow
Control valve 803 controls the flow of reactor voltage-stablizer analogue body pressure vessel 4, and 4 low side of pressure vessel is provided with the second blowdown valve
804, the water storage in control pressure container；4 lower half of pressure vessel is equipped with heating rod and cowling panel, and heating rod general power is
200kW；The middle part of pressure vessel 4 is provided with second temperature sensor 902, water temperature in monitoring pressure container；4 first half of pressure vessel
It is connected separately with the low-pressure end and high-pressure side of the second differential pressure transmitter 1002 with lower half portion, detection pressure vessel 4 caves in liquid level；
4 oblique upper of pressure vessel is connected with sealing structure for water test section 5, to test main experimental section；4 top of pressure vessel is passed equipped with pressure
Sensor 11 and guide wave radar liquid level gauge 12 for detecting liquid level of caving in pressure vessel 4, mixing liquid level, ensure the peace of heating rod
Row for the national games, pressure vessel 4 outer layer covers heat-preservation cotton, the composition described above pressure vessel module of system；
4 top of pressure vessel is connected with electric-powered air release valve 808, while is also associated with incondensable gas inlet valve 806, does not coagulate
806 other end of gas inlet valve connection incondensable gas gas cylinder 7 is tied, is provided between incondensable gas inlet valve 806 and gas cylinder 7
Pressurizing valve 807, the concentration of incondensable gas and the pressure of pressure vessel 4 in main pressure of pressure vessel 4, incondensable gas
Concentration is determined according to partial pressure theorem.4 top of pressure vessel connects vacuum pump 6 by vacuum pump control valve 805, for pressure vessel
4 and sealing structure for water test section 5 in vacuum processing, the gas for having collectively constituted experimental system above fills row and vacuumizes module；
5 top of sealing structure for water test section is equivalent safety valve radiated rib, and centre is heat transfer pipe, and lower part is water seal spade-type
Collecting tank, equivalent safety valve radiated rib are connect by flange with heat transfer pipe；The equivalent safety valve heat dissipation in Visualization
Fin can replace outer quartz glass and carry out experimental phenomena record；4 side of heat transfer pipeline section and pressure vessel of sealing structure for water test section 5
Wall connects the high-pressure side and low-pressure end of third differential pressure transmitter 1003 respectively, for judging water seal formational situation；Sealing structure for water tries
It tests section 5 and is respectively disposed with multiple temperature sensors in an axial direction, for detecting the thermo parameters method in sealing structure for water test section 5；Water
5 top of seal structure test section connect the first drain valve 809, low side connect the second drain valve 810, be mainly used for experiment start before
Exhaust and the drainage sunk well in experiment latter stage；The equivalent safety valve radiated rib of sealing structure for water test section 5 does not wrap up heat-preservation cotton, heat transfer
Pipeline section wraps up heat-preservation cotton, has collectively constituted the experiment root module of experimental system above；
Heating rod power in heating power, pressure vessel 4 and all electric adjustables in pilot system in heating water tank 3
The control for saving valve realizes constantly remote control and regulation by programmable logic controller (PLC), constitutes the control module of system.
All temperature sensors, pressure sensor, the pressure difference transmitter arranged in pilot system are acquired by NI data
System is connected on LAN computer 13, the measurement acquisition module of composition described above system.
Pilot system described above corresponding test method carried out hydraulic pressure before on-test to circuit, air-leakage test tries
It tests, it is ensured that the boundary of circuit at high temperature under high pressure is complete, and experiment content is divided into three parts；
1. influence experiment of the air to water seal：
Before opening major loop, the first blowdown valve 802, the second blowdown valve 804 and electric-powered air release valve 808 are opened, keeps remaining
Valve is closed；After 4 water of boiler 3 and pressure vessel to be added drains, the first blowdown valve 802 and the second blowdown valve 804 are closed；It opens
Deionization water manufacturing system 1 opens first flow control valve 801 and the first small pump 201, to 3 moisturizing of heating water tank；By adding
First differential pressure transmitter, 1001 sensed water level on boiler 3 after Water in Water Tanks position to be heated reaches heating water tank upper end, closes the
801 and first small pump 201 of flow control valve opens heating rod in heating water tank 3, the water temperature of heating water tank is increased to
After 70-80 DEG C, heating rod in heating water tank 3 is closed；It tests pre-heating module and completes work；
High-temperature pump 202 and second flow control valve 803 are opened to 4 moisturizing of pressure vessel, passes through second on pressure vessel 4
Differential pressure transmitter 1002 detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops moisturizing；It closes
High-temperature pump 202 and second flow control valve 803, simultaneously close off electric-powered air release valve 808；Heating rod in Opening pressure container 4, passes through
Second temperature sensor 902 and pressure sensor 11 detect the water physical property variation in pressure vessel；Treat that coolant-temperature gage and pressure reach
After declared working condition, the drain valve 810 of sealing structure for water test section 5 is opened, the row of closing after liquid level in sealing structure for water test section 5 drains
Water valve 810；Heating rod heating power in pressure vessel 4 is reduced, pressure vessel temperature, pressure is maintained to stablize；
NI data collecting systems are opened, pressure in start recording pressure vessel 4 mixes liquid level, liquid level of caving in and water seal
Temperature, pressure difference variation at structural test section 5；Due to the heat dissipation of equivalent safety valve radiated rib and heat transfer pipe third differential pressure
When being mutated in transmitter 1003, it is determined as that water seal is formed；As steam is dissipated further as equivalent safety valve radiated rib
Heat condenses, and liquid level is gradually increasing in sealing structure for water test section 5, and sealing structure for water test section 5 is respectively arranged multiple in an axial direction
Temperature sensor detects the temperature change at sealing structure for water respectively.；Liquid to be condensed is completely filled with sealing structure for water test section 5, experiment
Terminate, stop data acquisition；The second drain valve 810 and the first drain valve 809 are opened, drains the water in sealing structure for water test section 5,
Close the second drain valve 810 and the first drain valve 809；Heating rod power in pressure of pressure vessel 4, into next experiment work
Condition；The equivalent safety valve radiated rib of sealing structure for water test section 5 is replaced to carry out aforesaid operations after quartz glass, observes water seal shape
Into front and rear phenomenon；
2. pure steam water seal is tested
Before opening major loop, the first blowdown valve 802, the second blowdown valve 804 and electric-powered air release valve 808 are opened, keeps remaining
Valve is closed；After 4 water of boiler 3 and pressure vessel to be added drains, the first blowdown valve 802 and the second blowdown valve 804 are closed；It opens
Deionization water manufacturing system 1 opens first flow control valve 801 and the first small pump 201, to 3 moisturizing of heating water tank；By adding
First differential pressure transmitter, 1001 sensed water level on boiler 3 after Water in Water Tanks position to be heated reaches heating water tank upper end, closes the
801 and first small pump 201 of flow control valve opens heating rod in heating water tank 3, the water temperature of heating water tank is increased to
After 70-80 DEG C, heating rod in heating water tank 3 is closed；It tests pre-heating module and completes work；
High-temperature pump 202 and second flow control valve 803 are opened to 4 moisturizing of pressure vessel, passes through second on pressure vessel 4
Differential pressure transmitter 1002 detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops moisturizing；It closes
High-temperature pump 202 and second flow control valve 803, simultaneously close off electric-powered air release valve 808, open vacuum pump control valve 805 and true
Sky pump 6 carries out vacuumize process to pressure vessel 4 and sealing structure for water test section 5；Pressure reaches vacuum pump 6 and takes out in pressure vessel 4
During vacuum limit, stop vacuum pump 6 and close vacuum pump control valve 805；Heating rod in Opening pressure container 4, pressure vessel 4 are opened
Begin to boost, when pressure vessel gauge pressure reaches 0.15MPa, close heating rod in pressure vessel 4；Open electric-powered air release valve 808, pressure
Force container 4 starts release, and steam entrainment air sprays pressure vessel 4, closed after pressure in pressure vessel 4 close to after normal pressure electronic
Air bleeding valve 808；At this time in pressure vessel air concentration reduce, repeat it is above-mentioned vacuumize, boost, bleeding three times, approximation is seen
Air in pressure vessel is done to drain；
Open 808 data collecting system of electric-powered air release valve, start recording reservoir pressure, mix liquid level, cave in liquid
Temperature, pressure difference variation at position and sealing structure for water test section 5；Heat dissipation and heat-transfer pipe due to equivalent safety valve radiated rib
When being mutated in road third differential pressure transmitter 1003, it is determined as that water seal is formed；As steam is further as equivalent safety valve
Radiated rib heat dissipation condenses, and liquid level is gradually increasing in sealing structure for water test section 5, and sealing structure for water test section 5 is distinguished in an axial direction
Multiple temperature sensors of arrangement detect the temperature change at sealing structure for water respectively；Liquid to be condensed is completely filled with leak test by filling water section 5,
Off-test stops data acquisition；The second drain valve 810 and the first drain valve 809 are opened, is drained in sealing structure for water test section 5
Water closes the second drain valve 810 and the first drain valve 809；Heating rod power in pressure of pressure vessel 4, into next experiment
Operating mode；The equivalent safety valve radiated rib of sealing structure for water test section 5 is replaced to carry out aforesaid operations after quartz glass, observes water seal
Phenomenon before and after formation；
3. incoagulable gas influences to test on water seal
Before opening major loop, the first blowdown valve 802, the second blowdown valve 804 and electric-powered air release valve 808 are opened, keeps remaining
Valve is closed；After 4 water of boiler 3 and pressure vessel to be added drains, the first blowdown valve 802 and the second blowdown valve 804 are closed；It opens
Deionization water manufacturing system 1 opens first flow control valve 801 and the first small pump 201, to 3 moisturizing of heating water tank；By adding
First differential pressure transmitter, 1001 sensed water level on boiler 3 after Water in Water Tanks position to be heated reaches heating water tank upper end, closes the
801 and first small pump 201 of flow control valve opens heating rod in heating water tank 3, the water temperature of heating water tank is increased to
After 70-80 DEG C, heating rod in heating water tank 3 is closed；It tests pre-heating module and completes work；
High-temperature pump 202 and second flow control valve 803 are opened to 4 moisturizing of pressure vessel, passes through second on pressure vessel 4
Differential pressure transmitter 1002 detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops moisturizing；It closes
High-temperature pump 202 and second flow control valve 803, simultaneously close off electric-powered air release valve 808, open vacuum pump control valve 805 and true
Sky pump 6 carries out vacuumize process to pressure vessel 4 and sealing structure for water test section 5；Pressure reaches vacuum pump 6 and takes out in pressure vessel 4
During vacuum limit, stop vacuum pump 6 and close vacuum pump control valve 805；Heating rod in Opening pressure container 4, pressure vessel 4 are opened
Begin to boost, when pressure vessel gauge pressure reaches 0.15MPa, close heating rod in pressure vessel 4；Open electric-powered air release valve 808, pressure
Force container 4 starts release, and steam entrainment air sprays pressure vessel 4, closed after pressure in pressure vessel 4 close to after normal pressure electronic
Air bleeding valve 808；At this time in pressure vessel air concentration reduce, repeat it is above-mentioned vacuumize, boost, bleeding three times, approximation is seen
Air in pressure vessel is done to drain；The electric-powered air release valve 808 that pressure vessel 4 exports is closed, opens incondensable gas inlet valve 806
With pressurizing valve 807, nitrogen, helium and hydrogen pass through incondensable gas inlet valve 806 and pressurizing valve from incondensable gas gas cylinder 7
807 charged pressure containers 4, by controlling 807 aperture of pressurizing valve, 7 outlet pressure of control incondensable gas gas cylinder determines to enter pressure
The content of incondensable gas in force container 4；
NI data collecting systems are opened, pressure in start recording pressure vessel 4 mixes liquid level, liquid level of caving in and water seal
Temperature, pressure difference variation at structural test section 5；Due to the heat dissipation of equivalent safety valve radiated rib and heat transfer pipe third differential pressure
When being mutated in transmitter 1003, it is determined as that water seal is formed；As steam is dissipated further as equivalent safety valve radiated rib
Heat condenses, and liquid level is gradually increasing in sealing structure for water test section 5, and sealing structure for water test section 5 is respectively arranged multiple in an axial direction
Temperature sensor detects the temperature change at sealing structure for water respectively；Liquid to be condensed is completely filled with sealing structure for water test section 5, experiment knot
Beam stops data acquisition；Drain valve 810 and drain valve 809 are opened, drains the water in sealing structure for water test section 5, closes drain valve
810 and drain valve 809；.Heating rod power in pressure of pressure vessel 4, into next operating condition of test；Replace sealing structure for water experiment
The equivalent safety valve radiated rib of section 5 forms front and rear phenomenon to carry out aforesaid operations, observation water seal after quartz glass.
Compared to the prior art compared with the present invention has following advantage：
1st, the experimental loop can reproduce reactor pressurizer safety valve water seal phenomenon during heap is played.Pass through
Partial simulation is imitated, reduces the flowing heat transfer characteristic of nuclear reactor safety valve water seal sealing structure for water, the safe operation of reactor carries
For using for reference；
2nd, experimental loop can realize the visual of key position experimental phenomena.In main water seal knot
Structure area replaces equivalent fin with quartz glass, realizes in low pressure, high-potting to water seal
The observation of phenomenon；
3rd, it using integrated pressure Vessel Design, including heating rod, agglutination,cold test section, cowling panel, realizes installation, adjust
The functional requirements such as examination, heating, sealing；
4th, pressure vessel is equipped with pressure sensor, readable formula pressure gauge, liquid level gauge, safety valve, visualization window, liquid level report
The maltilevel securities devices such as alert device, improve experiment safety；
5th, by the mutual cooperation of vacuum pump and electric-powered air release valve, realize pure steam condensation heat transfer in pressure vessel will
It asks.By gas cylinder, pressure reducing valve and pressure sensor, the experiment that various concentration incondensable gas influences steam condensation is met
Demand.
Description of the drawings
Fig. 1 is the system diagram of this pilot system.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples：
As shown in Figure 1, a kind of nuclear reactor pressurizer safety valve leak test by filling water system, including deionization water manufacturing system 1, even
The first small pump 201 of the first flow control valve 801 of deionization water manufacturing system is connect, the connection of 201 other end of the first small pump adds
Boiler 3,3 low side of heating water tank is connected with the first blowdown valve 802, while heating water tank 3 is built-in with multigroup heating rod, and every group adds
Hot pin power is 60kW；Heating water tank 3 is externally connected to the first differential pressure transmitter 1001 for measuring its liquid level；Heating water tank 3 goes out
Mouth the first temperature sensor 901 of setting；It plays in the loop and provides deionized water less than saturation temperature for test loop, simultaneously
Ensure the normal table work of heating rod in heating water tank, the composition described above water source and pre-heating module of pilot system；
3 downstream connection of heating water tank has high-temperature pump 202, and high-temperature pump 202 connects second flow control valve 803, second flow
Control valve 803 controls the flow of reactor voltage-stablizer analogue body pressure vessel 4, and 4 low side of pressure vessel is provided with the second blowdown valve
804, the water storage in control pressure container；4 lower half of pressure vessel is equipped with heating rod and cowling panel, and heating rod general power is
200kW；The middle part of pressure vessel 4 is provided with second temperature sensor 902, water temperature in monitoring pressure container；4 first half of pressure vessel
It is connected separately with the low-pressure end and high-pressure side of the second differential pressure transmitter 1002 with lower half portion, detection pressure vessel 4 caves in liquid level；
4 oblique upper of pressure vessel is connected with sealing structure for water test section 5, to test main experimental section；4 top of pressure vessel is passed equipped with pressure
Sensor 11 and guide wave radar liquid level gauge 12 for detecting liquid level of caving in pressure vessel 4, mixing liquid level, ensure the peace of heating rod
Row for the national games, pressure vessel 4 outer layer covers heat-preservation cotton, the composition described above pressure vessel module of system；
4 top of pressure vessel is connected with electric-powered air release valve 808, while is also associated with incondensable gas inlet valve 806, does not coagulate
806 other end of gas inlet valve connection incondensable gas gas cylinder 7 is tied, is provided between incondensable gas inlet valve 806 and gas cylinder 7
Pressurizing valve 807, the concentration of incondensable gas and the pressure of pressure vessel 4 in main pressure of pressure vessel 4, incondensable gas
Concentration is determined according to partial pressure theorem；4 top of pressure vessel connects vacuum pump 6 by vacuum pump control valve 805, for pressure vessel
4 and sealing structure for water test section 5 in vacuum processing, the gas for having collectively constituted experimental system above fills row and vacuumizes module；
5 top of sealing structure for water test section is equivalent safety valve radiated rib, and centre is heat transfer pipe, and lower part is water seal spade-type
Collecting tank, equivalent safety valve radiated rib are connect by flange with heat transfer pipe；The equivalent safety valve heat dissipation in Visualization
Fin can replace outer quartz glass and carry out experimental phenomena record；4 side of heat transfer pipeline section and pressure vessel of sealing structure for water test section 5
Wall connects the high-pressure side and low-pressure end of third differential pressure transmitter 1003 respectively, for judging water seal formational situation；Sealing structure for water tries
It tests section 5 and is respectively disposed with multiple temperature sensors in an axial direction, for detecting the thermo parameters method in sealing structure for water test section 5；Water
5 top of seal structure test section connect the first drain valve 809, low side connect the second drain valve 810, be mainly used for experiment start before
Exhaust and the drainage sunk well in experiment latter stage；The equivalent safety valve radiated rib of sealing structure for water test section 5 does not wrap up heat-preservation cotton, heat transfer
Pipeline section wraps up heat-preservation cotton, has collectively constituted the experiment root module of experimental system above；
Heating rod power in heating power, pressure vessel 4 and all electric adjustables in pilot system in heating water tank 3
The control for saving valve realizes constantly remote control and regulation by programmable logic controller (PLC), constitutes the control module of system.
All temperature sensors, pressure sensor, the pressure difference transmitter arranged in pilot system are acquired by NI data
System is connected on LAN computer 13, the measurement acquisition module of composition described above system.
Pilot system described above corresponding test method carried out hydraulic pressure before on-test to circuit, air-leakage test tries
It tests, it is ensured that the boundary of circuit at high temperature under high pressure is complete, and experiment content is divided into three parts；
Influence experiment of the air to water seal：
Before opening major loop, the first blowdown valve 802, the second blowdown valve 804 and electric-powered air release valve 808 are opened, keeps remaining
Valve is closed；After 4 water of boiler 3 and pressure vessel to be added drains, the first blowdown valve 802 and the second blowdown valve 804 are closed；It opens
Deionization water manufacturing system 1 opens first flow control valve 801 and the first small pump 201, to 3 moisturizing of heating water tank；By adding
First differential pressure transmitter, 1001 sensed water level on boiler 3 after Water in Water Tanks position to be heated reaches heating water tank upper end, closes the
801 and first small pump 201 of flow control valve opens heating rod in heating water tank 3, the water temperature of heating water tank is increased to
After 70-80 DEG C, heating rod in heating water tank 3 is closed；It tests pre-heating module and completes work；
High-temperature pump 202 and second flow control valve 803 are opened to 4 moisturizing of pressure vessel, passes through second on pressure vessel 4
Differential pressure transmitter 1002 detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops moisturizing；It closes
High-temperature pump 202 and second flow control valve 803, simultaneously close off electric-powered air release valve 808；Heating rod in Opening pressure container 4, passes through
Second temperature sensor 902 and pressure sensor 11 detect the water physical property variation in pressure vessel；Treat that coolant-temperature gage and pressure reach
After declared working condition, the drain valve 810 of sealing structure for water test section 5 is opened, the row of closing after liquid level in sealing structure for water test section 5 drains
Water valve 810；Heating rod heating power in pressure vessel 4 is reduced, pressure vessel temperature, pressure is maintained to stablize；
NI data collecting systems are opened, pressure in start recording pressure vessel 4 mixes liquid level, liquid level of caving in and water seal
Temperature, pressure difference variation at structural test section 5；Due to the heat dissipation of equivalent safety valve radiated rib and heat transfer pipe third differential pressure
When being mutated in transmitter 1003, it is determined as that water seal is formed；As steam is dissipated further as equivalent safety valve radiated rib
Heat condenses, and liquid level is gradually increasing in sealing structure for water test section 5, and sealing structure for water test section 5 is respectively arranged multiple in an axial direction
Temperature sensor detects the temperature change at sealing structure for water respectively.；Liquid to be condensed is completely filled with sealing structure for water test section 5, experiment
Terminate, stop data acquisition；The second drain valve 810 and the first drain valve 809 are opened, drains the water in sealing structure for water test section 5,
Close the second drain valve 810 and the first drain valve 809；Heating rod power in pressure of pressure vessel 4, into next experiment work
Condition；The equivalent safety valve radiated rib of sealing structure for water test section 5 is replaced to carry out aforesaid operations after quartz glass, observes water seal shape
Into front and rear phenomenon；
Pure steam water seal is tested
Before opening major loop, the first blowdown valve 802, the second blowdown valve 804 and electric-powered air release valve 808 are opened, keeps remaining
Valve is closed；After 4 water of boiler 3 and pressure vessel to be added drains, the first blowdown valve 802 and the second blowdown valve 804 are closed；It opens
Deionization water manufacturing system 1 opens first flow control valve 801 and the first small pump 201, to 3 moisturizing of heating water tank；By adding
First differential pressure transmitter, 1001 sensed water level on boiler 3 after Water in Water Tanks position to be heated reaches heating water tank upper end, closes the
801 and first small pump 201 of flow control valve opens heating rod in heating water tank 3, the water temperature of heating water tank is increased to
After 70-80 DEG C, heating rod in heating water tank 3 is closed；It tests pre-heating module and completes work；
High-temperature pump 202 and second flow control valve 803 are opened to 4 moisturizing of pressure vessel, passes through second on pressure vessel 4
Differential pressure transmitter 1002 detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops moisturizing；It closes
High-temperature pump 202 and second flow control valve 803, simultaneously close off electric-powered air release valve 808, open vacuum pump control valve 805 and true
Sky pump 6 carries out vacuumize process to pressure vessel 4 and sealing structure for water test section 5；Pressure reaches vacuum pump 6 and takes out in pressure vessel 4
During vacuum limit, stop vacuum pump 6 and close vacuum pump control valve 805；Heating rod in Opening pressure container 4, pressure vessel 4 are opened
Begin to boost, when pressure vessel gauge pressure reaches 0.15MPa, close heating rod in pressure vessel 4；Open electric-powered air release valve 808, pressure
Force container 4 starts release, and steam entrainment air sprays pressure vessel 4, closed after pressure in pressure vessel 4 close to after normal pressure electronic
Air bleeding valve 808；At this time in pressure vessel air concentration reduce, repeat it is above-mentioned vacuumize, boost, bleeding three times, approximation is seen
Air in pressure vessel is done to drain；
Open 808 data collecting system of electric-powered air release valve, start recording reservoir pressure, mix liquid level, cave in liquid
Temperature, pressure difference variation at position and sealing structure for water test section 5；Heat dissipation and heat-transfer pipe due to equivalent safety valve radiated rib
When being mutated in road third differential pressure transmitter 1003, it is determined as that water seal is formed；As steam is further as equivalent safety valve
Radiated rib heat dissipation condenses, and liquid level is gradually increasing in sealing structure for water test section 5, and sealing structure for water test section 5 is distinguished in an axial direction
Multiple temperature sensors of arrangement detect the temperature change at sealing structure for water respectively；Liquid to be condensed is completely filled with leak test by filling water section 5,
Off-test stops data acquisition；The second drain valve 810 and the first drain valve 809 are opened, is drained in sealing structure for water test section 5
Water closes the second drain valve 810 and the first drain valve 809；Heating rod power in pressure of pressure vessel 4, into next experiment
Operating mode；The equivalent safety valve radiated rib of sealing structure for water test section 5 is replaced to carry out aforesaid operations after quartz glass, observes water seal
Phenomenon before and after formation；
Incoagulable gas influences to test on water seal
Before opening major loop, the first blowdown valve 802, the second blowdown valve 804 and electric-powered air release valve 808 are opened, keeps remaining
Valve is closed；After 4 water of boiler 3 and pressure vessel to be added drains, the first blowdown valve 802 and the second blowdown valve 804 are closed；It opens
Deionization water manufacturing system 1 opens first flow control valve 801 and the first small pump 201, to 3 moisturizing of heating water tank；By adding
First differential pressure transmitter, 1001 sensed water level on boiler 3 after Water in Water Tanks position to be heated reaches heating water tank upper end, closes the
801 and first small pump 201 of flow control valve opens heating rod in heating water tank 3, the water temperature of heating water tank is increased to
After 70-80 DEG C, heating rod in heating water tank 3 is closed；It tests pre-heating module and completes work；
High-temperature pump 202 and second flow control valve 803 are opened to 4 moisturizing of pressure vessel, passes through second on pressure vessel 4
Differential pressure transmitter 1002 detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops moisturizing；It closes
High-temperature pump 202 and second flow control valve 803, simultaneously close off electric-powered air release valve 808, open vacuum pump control valve 805 and true
Sky pump 6 carries out vacuumize process to pressure vessel 4 and sealing structure for water test section 5；Pressure reaches vacuum pump 6 and takes out in pressure vessel 4
During vacuum limit, stop vacuum pump 6 and close vacuum pump control valve 805；Heating rod in Opening pressure container 4, pressure vessel 4 are opened
Begin to boost, when pressure vessel gauge pressure reaches 0.15MPa, close heating rod in pressure vessel 4；Open electric-powered air release valve 808, pressure
Force container 4 starts release, and steam entrainment air sprays pressure vessel 4, closed after pressure in pressure vessel 4 close to after normal pressure electronic
Air bleeding valve 808；At this time in pressure vessel air concentration reduce, repeat it is above-mentioned vacuumize, boost, bleeding three times, approximation is seen
Air in pressure vessel is done to drain；The electric-powered air release valve 808 that pressure vessel 4 exports is closed, opens incondensable gas inlet valve 806
With pressurizing valve 807, nitrogen, helium and hydrogen pass through incondensable gas inlet valve 806 and pressurizing valve from incondensable gas gas cylinder 7
807 charged pressure containers 4, by controlling 807 aperture of pressurizing valve, 7 outlet pressure of control incondensable gas gas cylinder determines to enter pressure
The content of incondensable gas in force container 4；
NI data collecting systems are opened, pressure in start recording pressure vessel 4 mixes liquid level, liquid level of caving in and water seal
Temperature, pressure difference variation at structural test section 5；Due to the heat dissipation of equivalent safety valve radiated rib and heat transfer pipe third differential pressure
When being mutated in transmitter 1003, it is determined as that water seal is formed；As steam is dissipated further as equivalent safety valve radiated rib
Heat condenses, and liquid level is gradually increasing in sealing structure for water test section 5, and sealing structure for water test section 5 is respectively arranged multiple in an axial direction
Temperature sensor detects the temperature change at sealing structure for water respectively；Liquid to be condensed is completely filled with sealing structure for water test section 5, experiment knot
Beam stops data acquisition；Drain valve 810 and drain valve 809 are opened, drains the water in sealing structure for water test section 5, closes drain valve
810 and drain valve 809；.Heating rod power in pressure of pressure vessel 4, into next operating condition of test；Replace sealing structure for water experiment
The equivalent safety valve radiated rib of section 5 forms front and rear phenomenon to carry out aforesaid operations, observation water seal after quartz glass.
Claims (4)
1. a kind of nuclear reactor pressurizer safety valve leak test by filling water system, it is characterised in that：Including deionization water manufacturing system (1),
The first small pump (201) of the first flow control valve (801) of deionization water manufacturing system is connected, the first small pump (201) is another
End connection heating water tank (3), heating water tank (3) low side is connected with the first blowdown valve (802), while heating water tank (3) is built-in with
Multigroup heating rod, every group of heating rod power are 60kW；Heating water tank (3) is externally connected to the first differential pressure transporting for measuring its liquid level
Device (1001)；Heating water tank (3) outlet the first temperature sensor of setting (901)；They play carried for test loop in the loop
For being less than the deionized water of saturation temperature, while ensure the normal table work of heating rod in heating water tank, composition described above examination
The water source and pre-heating module of check system；
Heating water tank (3) downstream connection has a high-temperature pump (202), high-temperature pump (202) connection second flow control valve (803), and second
The flow of flow control valve (803) control reactor voltage-stablizer analogue body pressure vessel (4), pressure vessel (4) low side are provided with
Second blowdown valve (804), the water storage in control pressure container；Pressure vessel (4) lower half is equipped with heating rod and cowling panel,
Heating rod general power is 200kW；It is provided with second temperature sensor (902) in the middle part of pressure vessel (4), water in monitoring pressure container
Temperature；Pressure vessel (4) first half and lower half portion are connected separately with the low-pressure end and high-pressure side of the second differential pressure transmitter (1002),
Detection pressure vessel (4) caves in liquid level；Pressure vessel (4) oblique upper is connected with sealing structure for water test section (5), to test main examination
Test section；Equipped with pressure sensor (11) and guide wave radar liquid level gauge (12) at the top of pressure vessel (4), for detecting pressure vessel
(4) interior liquid level of caving in, mixing liquid level, ensure the safe operation of heating rod, pressure vessel (4) outer layer covers heat-preservation cotton, more than group
Into the pressure vessel module of system；
Pressure vessel (4) top is connected with electric-powered air release valve (808), while is also associated with incondensable gas inlet valve (806), no
Noncondensing gas inlet valve (806) other end connection incondensable gas gas cylinder (7), incondensable gas inlet valve (806) and gas cylinder (7)
Between be provided with pressurizing valve (807), the concentration of the interior incondensable gas of main pressure of pressure vessel (4) and pressure vessel (4)
Pressure, the concentration of incondensable gas are determined according to partial pressure theorem；Pressure vessel (4) top is connected by vacuum pump control valve (805)
Vacuum pump (6) is connect, for the vacuum processing in pressure vessel (4) and sealing structure for water test section (5), has collectively constituted experiment above
The gas of system fills row and vacuumizes module；
Sealing structure for water test section (5) top is equivalent safety valve radiated rib, and centre is heat transfer pipe, and lower part is received for water seal spade-type
Collect slot, equivalent safety valve radiated rib is connect by flange with heat transfer pipe；The equivalent safety valve cooling fin in Visualization
Piece can replace outer quartz glass and carry out experimental phenomena record；The heat transfer pipeline section of sealing structure for water test section (5) and pressure vessel (4)
Side wall connects the high-pressure side and low-pressure end of third differential pressure transmitter (1003) respectively, for judging water seal formational situation；Water seal knot
Structure test section (5) is respectively disposed with multiple temperature sensors in an axial direction, for detecting the temperature field in sealing structure for water test section (5)
Distribution；Sealing structure for water test section (5) top connects the first drain valve (809), and low side connects the second drain valve (810), main to use
Exhaust and the drainage sunk well in experiment latter stage before experiment starts；The equivalent safety valve radiated rib of sealing structure for water test section (5)
Heat-preservation cotton is not wrapped up, heat transfer pipeline section package heat-preservation cotton has collectively constituted the experiment root module of experimental system above.
2. nuclear reactor pressurizer safety valve water seal experimental system according to claim 1, it is characterised in that：Pilot system
Heating power in middle heating water tank (3), the control of heating rod power and all electric control valves in pressure vessel (4) are equal
Constantly remote control and regulation is realized by programmable logic controller (PLC), constitutes the control module of system.
3. nuclear reactor pressurizer safety valve water seal experimental system according to claim 1, it is characterised in that：Pilot system
All temperature sensors, pressure sensor, the pressure difference transmitter of upper arrangement are connected to LAN by NI data collecting systems
On computer (13), the measurement acquisition module of composition described above system.
4. the corresponding test method of any one of claims 1 to 3 pilot system, it is characterised in that：To returning before on-test
Road carries out hydraulic pressure, air-leakage test, it is ensured that the boundary of circuit at high temperature under high pressure is complete, and experiment content is divided into three parts；
1) influence experiment of the air to water seal：
Before opening major loop, the first blowdown valve (802), the second blowdown valve (804) and electric-powered air release valve (808) are opened, keeps it
Remaining valve is closed；After boiler (3) to be added and pressure vessel (4) water drain, the first blowdown valve (802) and the second blowdown valve are closed
(804)；Deionization water manufacturing system (1) is opened, first flow control valve (801) and the first small pump (201) are opened, to heating
Water tank (3) moisturizing；By the first differential pressure transmitter in heating water tank (3), (1001 sensed water levels, Water in Water Tanks position to be heated reach
Behind heating water tank upper end, first flow control valve (801) and the first small pump (201) are closed, opens in heating water tank (3) and heats
Stick after the water temperature of heating water tank is increased to 70-80 DEG C, closes heating rod in heating water tank (3)；Pre-heating module is tested to complete
Work；
High-temperature pump (202) and second flow control valve (803) are opened to pressure vessel (4) moisturizing, by pressure vessel (4)
Second differential pressure transmitter (1002) detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops mending
Water；High-temperature pump (202) and second flow control valve (803) are closed, simultaneously closes off electric-powered air release valve (808)；Opening pressure container
(4) interior heating rod, the water physical property detected by second temperature sensor (902) and pressure sensor (11) in pressure vessel become
Change；After coolant-temperature gage and pressure reach declared working condition, the drain valve (810) of sealing structure for water test section (5) is opened, treats sealing structure for water
Test section (5) interior liquid level closes drain valve (810) after draining；Reducing pressure vessel, (heating rod heating power, maintains pressure in 4
Vessel temp pressure stability；
NI data collecting systems are opened, the interior pressure of start recording pressure vessel (4) mixes liquid level, liquid level of caving in and water seal knot
Temperature, pressure difference variation at structure test section (5)；Due to the heat dissipation of equivalent safety valve radiated rib and heat transfer pipe third differential pressure
When being mutated in transmitter (1003), it is determined as that water seal is formed；As steam is further as equivalent safety valve radiated rib
Heat dissipation condenses, and sealing structure for water test section (5) interior liquid level is gradually increasing, and sealing structure for water test section (5) is respectively arranged in an axial direction
Multiple temperature sensors detect temperature change at sealing structure for water respectively.；Liquid to be condensed is completely filled with sealing structure for water test section
(5), off-test stops data acquisition；The second drain valve (810) and the first drain valve (809) are opened, drains sealing structure for water examination
The water in section (5) is tested, closes the second drain valve (810) and the first drain valve (809)；The interior heating rod work(of pressure of pressure vessel (4)
Rate, into next operating condition of test；The equivalent safety valve radiated rib for replacing sealing structure for water test section (5) is laggard for quartz glass
Row aforesaid operations, observation water seal form front and rear phenomenon；
2) pure steam water seal is tested
Before opening major loop, the first blowdown valve (802), the second blowdown valve (804) and electric-powered air release valve (808) are opened, keeps it
Remaining valve is closed；After boiler (3) to be added and pressure vessel (4) water drain, the first blowdown valve (802) and the second blowdown valve are closed
(804)；Deionization water manufacturing system (1) is opened, first flow control valve (801) and the first small pump (201) are opened, to heating
Water tank (3) moisturizing；It is reached by the first differential pressure transmitter (1001) sensed water level, Water in Water Tanks position to be heated in heating water tank (3)
To after heating water tank upper end, first flow control valve (801) and the first small pump (201) are closed, opens in heating water tank (3) and adds
Hot pin after the water temperature of heating water tank is increased to 70-80 DEG C, closes heating rod in heating water tank (3)；It is complete to test pre-heating module
Into work；
High-temperature pump (202) and second flow control valve (803) are opened to pressure vessel (4) moisturizing, by pressure vessel (4)
Second differential pressure transmitter (1002) detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops mending
Water；High-temperature pump (202) and second flow control valve (803) are closed, simultaneously closes off electric-powered air release valve (808), opens vacuum pump control
Valve (805) processed and vacuum pump (6) carry out vacuumize process to pressure vessel (4) and sealing structure for water test section (5)；Pressure is held
When device (4) interior pressure reaches vacuum pump (6) and vacuumizes the limit, stop vacuum pump (6) and closing vacuum pump control valve (805)；It opens
Pressure vessel (4) interior heating rod is opened, pressure vessel (4) starts to boost, and when pressure vessel gauge pressure reaches 0.15MPa, closes pressure
Force container (4) interior heating rod；Electric-powered air release valve (808) is opened, pressure vessel (4) starts release, and steam entrainment air sprays pressure
Force container (4), after pressure vessel (4), interior pressure closes electric-powered air release valve (808) close to after normal pressure；Air in pressure vessel at this time
Concentration reduce, repeat it is above-mentioned vacuumize, boost, bleeding three times, approximation is regarded air in pressure vessel as and is drained；
Electric-powered air release valve (808) data collecting system is opened, start recording reservoir pressure mixes liquid level, liquid level of caving in
And temperature at sealing structure for water test section (5), pressure difference variation；Heat dissipation and heat-transfer pipe due to equivalent safety valve radiated rib
When being mutated in road third differential pressure transmitter (1003), it is determined as that water seal is formed；As steam is further as equivalent safety
The heat dissipation of valve radiated rib condenses, and sealing structure for water test section (5) interior liquid level is gradually increasing, and sealing structure for water test section (5) is along axis
Detect the temperature change at sealing structure for water respectively to the multiple temperature sensors being respectively arranged；Liquid to be condensed is completely filled with water seal examination
Section (5) is tested, off-test stops data acquisition；The second drain valve (810) and the first drain valve (809) are opened, drains water seal knot
Structure test section (5) interior water closes the second drain valve (810) and the first drain valve (809)；Pressure of pressure vessel (4) interior heating rod
Power, into next operating condition of test；The equivalent safety valve radiated rib of sealing structure for water test section (5) is replaced as after quartz glass
Aforesaid operations are carried out, observation water seal forms front and rear phenomenon；
3) incoagulable gas influences to test on water seal
Before opening major loop, the first blowdown valve (802), the second blowdown valve (804) and electric-powered air release valve (808) are opened, keeps it
Remaining valve is closed；After boiler (3) to be added and pressure vessel (4) water drain, the first blowdown valve (802) and the second blowdown valve are closed
(804)；Deionization water manufacturing system (1) is opened, first flow control valve (801) and the first small pump (201) are opened, to heating
Water tank (3) moisturizing；It is reached by the first differential pressure transmitter (1001) sensed water level, Water in Water Tanks position to be heated in heating water tank (3)
To after heating water tank upper end, first flow control valve (801) and the first small pump (201) are closed, opens in heating water tank (3) and adds
Hot pin after the water temperature of heating water tank is increased to 70-80 DEG C, closes heating rod in heating water tank (3)；It is complete to test pre-heating module
Into work；
High-temperature pump (202) and second flow control valve (803) are opened to pressure vessel (4) moisturizing, by pressure vessel (4)
Second differential pressure transmitter (1002) detects pressure vessel liquid level, when liquid level reaches 3/5 height of pressure vessel, stops mending
Water；High-temperature pump (202) and second flow control valve (803) are closed, simultaneously closes off electric-powered air release valve (808), opens vacuum pump control
Valve (805) processed and vacuum pump (6) carry out vacuumize process to pressure vessel (4) and sealing structure for water test section (5)；Pressure is held
When device (4) interior pressure reaches vacuum pump (6) and vacuumizes the limit, stop vacuum pump (6) and closing vacuum pump control valve (805)；It opens
Pressure vessel (4) interior heating rod is opened, pressure vessel (4) starts to boost, and when pressure vessel gauge pressure reaches 0.15MPa, closes pressure
Force container (4) interior heating rod；Electric-powered air release valve (808) is opened, pressure vessel (4) starts release, and steam entrainment air sprays pressure
Force container (4), after pressure vessel (4), interior pressure closes electric-powered air release valve (808) close to after normal pressure；Air in pressure vessel at this time
Concentration reduce, repeat it is above-mentioned vacuumize, boost, bleeding three times, approximation is regarded air in pressure vessel as and is drained；Close pressure
The electric-powered air release valve (808) of container (4) outlet, opens incondensable gas inlet valve (806) and pressurizing valve (807), nitrogen, helium
Pass through incondensable gas inlet valve (806) and pressurizing valve (807) charged pressure container from incondensable gas gas cylinder (7) with hydrogen
(4), by controlling pressurizing valve (807) aperture, incondensable gas gas cylinder (7) outlet pressure is controlled, determines to enter pressure vessel (4)
The content of interior incondensable gas；
NI data collecting systems are opened, the interior pressure of start recording pressure vessel (4) mixes liquid level, liquid level of caving in and water seal knot
Temperature, pressure difference variation at structure test section (5)；Due to the heat dissipation of equivalent safety valve radiated rib and heat transfer pipe third differential pressure
When being mutated in transmitter (1003), it is determined as that water seal is formed；As steam is further as equivalent safety valve radiated rib
Heat dissipation condenses, and sealing structure for water test section (5) interior liquid level is gradually increasing, and sealing structure for water test section (5) is respectively arranged in an axial direction
Multiple temperature sensors detect temperature change at sealing structure for water respectively；Liquid to be condensed is completely filled with sealing structure for water test section
(5), experiment terminates, and stops data acquisition；Drain valve (810) and drain valve (809) are opened, drains sealing structure for water test section (5)
Interior water closes drain valve (810) and drain valve (809)；.The interior heating rod power of pressure of pressure vessel (4), into next examination
Test operating mode；The equivalent safety valve radiated rib of sealing structure for water test section (5) is replaced to carry out aforesaid operations after quartz glass, is observed
Water seal forms front and rear phenomenon.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956054A (en) * | 2018-07-17 | 2018-12-07 | 江苏安泰安全技术有限公司 | A kind of relief valve device and working method with self-checking function |
| CN109243638A (en) * | 2018-09-05 | 2019-01-18 | 西安交通大学 | Nuclear reactor safety shell fragment migration characteristic pilot system and its test method |
| CN109273103A (en) * | 2018-11-20 | 2019-01-25 | 深圳中广核工程设计有限公司 | Nuclear power plant voltage stabilizer and its water seal arrangement |
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| CN111238741A (en) * | 2020-03-25 | 2020-06-05 | 九江心连心化肥有限公司 | Mechanical seal detection device and flushing detection process |
| CN112382422A (en) * | 2020-11-11 | 2021-02-19 | 中国核动力研究设计院 | Special pressurizing system and method for detecting sealing performance of pressurized water reactor pressure vessel |
| CN113219817A (en) * | 2021-04-07 | 2021-08-06 | 中国船舶重工集团公司第七一九研究所 | Pressure safety control system and control method for multiple redundancy voting |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1158978A2 (en) * | 1983-09-28 | 1985-05-30 | Предприятие П/Я Г-4807 | Stabilizer of liquid flow rate |
| JP2003291675A (en) * | 2002-03-29 | 2003-10-15 | Honda Motor Co Ltd | Hydraulic oil sealing system and method for hydraulic pump |
| CN203366761U (en) * | 2013-07-31 | 2013-12-25 | 中科华核电技术研究院有限公司 | Secondary-side residual heat removal system provided with water seal |
| CN103940256A (en) * | 2014-04-11 | 2014-07-23 | 张曙光 | Power plant condenser steam jet and vacuumizing system with pressure control function |
| CN205177413U (en) * | 2015-11-18 | 2016-04-20 | 深圳中广核工程设计有限公司 | Stabiliser for nuclear power station |
| CN106328216A (en) * | 2016-08-30 | 2017-01-11 | 中广核工程有限公司 | Water seal device for nuclear power plant voltage stabilizer and nuclear power plant voltage stabilizer |
-
2017
- 2017-12-27 CN CN201711455892.4A patent/CN108181099B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1158978A2 (en) * | 1983-09-28 | 1985-05-30 | Предприятие П/Я Г-4807 | Stabilizer of liquid flow rate |
| JP2003291675A (en) * | 2002-03-29 | 2003-10-15 | Honda Motor Co Ltd | Hydraulic oil sealing system and method for hydraulic pump |
| CN203366761U (en) * | 2013-07-31 | 2013-12-25 | 中科华核电技术研究院有限公司 | Secondary-side residual heat removal system provided with water seal |
| CN103940256A (en) * | 2014-04-11 | 2014-07-23 | 张曙光 | Power plant condenser steam jet and vacuumizing system with pressure control function |
| CN205177413U (en) * | 2015-11-18 | 2016-04-20 | 深圳中广核工程设计有限公司 | Stabiliser for nuclear power station |
| CN106328216A (en) * | 2016-08-30 | 2017-01-11 | 中广核工程有限公司 | Water seal device for nuclear power plant voltage stabilizer and nuclear power plant voltage stabilizer |
Non-Patent Citations (1)
| Title |
|---|
| 傅冠桦，李权柄等: "核电厂稳压器水封结构数值模拟研究", 《核动力工程》 * |
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| CN109243638A (en) * | 2018-09-05 | 2019-01-18 | 西安交通大学 | Nuclear reactor safety shell fragment migration characteristic pilot system and its test method |
| CN109273103A (en) * | 2018-11-20 | 2019-01-25 | 深圳中广核工程设计有限公司 | Nuclear power plant voltage stabilizer and its water seal arrangement |
| CN109524136A (en) * | 2018-11-22 | 2019-03-26 | 西南石油大学 | A kind of experimental rig and method of high energy pipe fracture whipping behavior |
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| CN110133037B (en) * | 2019-06-12 | 2021-11-30 | 中国核动力研究设计院 | Experimental device for be used for studying pool boiling heat transfer under different heating surface structures |
| CN110133037A (en) * | 2019-06-12 | 2019-08-16 | 中国核动力研究设计院 | A kind of experimental provision to conduct heat for studying pool boiling under the structure of different heating face |
| CN111238741A (en) * | 2020-03-25 | 2020-06-05 | 九江心连心化肥有限公司 | Mechanical seal detection device and flushing detection process |
| CN112382422A (en) * | 2020-11-11 | 2021-02-19 | 中国核动力研究设计院 | Special pressurizing system and method for detecting sealing performance of pressurized water reactor pressure vessel |
| CN112382422B (en) * | 2020-11-11 | 2022-04-15 | 中国核动力研究设计院 | Special pressurizing system and method for detecting sealing performance of pressurized water reactor pressure vessel |
| CN113219817A (en) * | 2021-04-07 | 2021-08-06 | 中国船舶重工集团公司第七一九研究所 | Pressure safety control system and control method for multiple redundancy voting |
| CN114383933A (en) * | 2022-01-06 | 2022-04-22 | 西安交通大学 | High-temperature gas flow heat exchange safety pressure container |
| CN114383933B (en) * | 2022-01-06 | 2023-06-13 | 西安交通大学 | High-temperature gas flowing heat exchange safety pressure vessel |
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| CN115132385B (en) * | 2022-07-01 | 2023-08-22 | 西安交通大学 | Experimental system and method for interaction of lead-based reactor core melt and coolant |
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