CN106970108B - Containment steam condensation heat transfer coefficient measurement experiment device and method - Google Patents
Containment steam condensation heat transfer coefficient measurement experiment device and method Download PDFInfo
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Abstract
The invention discloses a kind of containment steam condensation heat transfer coefficient measurement experiment device and methods, and device includes: steam generation device, have water inlet and steam (vapor) outlet；Helium feedway has helium outlet；Containment analogue body, with steam inlet, helium entrance, condensate outlet, the steam (vapor) outlet of its steam inlet and steam generation device is connected by steam pipework, steam flow control valve is provided on vapor pipeline, by helium piping connection between the outlet of the helium of its helium entrance and helium feedway, helium tube road is provided with helium gas flow regulating valve；Liquor collecting device is condensed, is connected with the condensate outlet of containment analogue body；It is additionally provided with cooling pond at the top of containment analogue body, the cooling water in cooling pond can be to cooling down at the top of containment analogue body.The present invention can support the research of steam condensation phenomenon of Heat in containment；Experimental provision structure is simple, it is comprehensive it is strong, measurement is accurate.
Description
Technical field
The present invention relates to a kind of nuclear test technique fields, and in particular to containment steam condensation heat transfer coefficient measurement experiment dress
It sets and method.
Background technique
Containment is last one of barrier of nuclear reactor safety, fission product can be prevented to release toward environment under emergency conditions
It puts.Therefore the integrality of containment is maintained to be very important under accident conditions.
The design basis accident that larger threat can be constituted to the integrality of containment includes losing coolant accident
(LOCA) and steam generator secondary side Main steam line break accident (MSLB).Mass and energy release energy caused by these two types of accidents
It is enough that containment is caused to bear biggish internal pressure in a relatively short period of time, so that the structural intergrity to containment constitutes a threat to.
Third generation reactor devises Passive containment cooling system, mainly by steel safety shell and being mounted on containment
The containment cooling pond at top is constituted.Loss of-coolant accident (LOCA) or steam line break accident occur for reactor, in the effect of buoyancy
Under, steam tends to hoard at the top of containment, and condenses in containment top lower surface, and the condensing droplet of generation is in gravity
Under the action of be detached from containment condensing wall, steam touch-safe shell cold wall face again at drop disengaging is lasting to condense.Entirely
Physics law (steam floats, drop falls) is only relied in accident process realizes that it protects the condensation of steam and the superpressure of containment
Shield.Containment inner wall steam condensation heat transfer ability is the crucial effect for influencing Passive containment cooling system performance.And table
The key parameter for levying containment inner wall steam condensation heat transfer ability is containment inner wall steam condensation coefficient.
Steam condensation heat transfer process is widely present in industrial circles such as nuclear energy, power, chemical industry, aerospaces, therefore 20
Initial stage in century many researchers have just carried out the research of steam condensation heat transfer, and obtain a large amount of research achievement.But needle
(when accident occurs for reactor, major loop is cold in the case of steam condensation to level board lower surface, especially incondensable gas exist
But agent generate hydrogen enter containment) steam condensation research achievement almost without.Therefore carry out steam condensation in containment
Development and application of the measurement of heat transfer coefficient to safety analysis and Passive containment cooling system under the conditions of reactor accident
It is of great significance.
Summary of the invention
The technical problem to be solved by the present invention is to according to the novel nuclear reactor Passive containment cooling system of the third generation
The characteristics of, steam condensation phenomenon of Heat test research device in containment is built, and realize the heat transfer of containment steam condensation
The measurement of coefficient.
The present invention is achieved through the following technical solutions:
Containment steam condensation heat transfer coefficient measurement experiment device, comprising:
Steam generation device has water inlet and steam (vapor) outlet for generating steam；
Helium feedway has helium outlet for providing helium to containment analogue body；
Containment analogue body is used for simulating Safety shell, has steam inlet and helium entrance, bottom is provided with condensate liquid and goes out
Mouthful；It is connected between the steam (vapor) outlet of the steam generation device and the steam inlet of containment analogue body by steam pipework, institute
It states and is provided with steam flow control valve on steam pipework；The helium entrance of the containment analogue body and the helium of helium feedway
By helium piping connection between gas outlet, the helium tube road is provided with helium gas flow regulating valve；
Liquor collecting device is condensed, is connected with the condensate outlet of containment analogue body, for collecting in containment analogue body
The condensate liquid that portion's wall surface generates；
It is additionally provided with cooling pond at the top of the containment analogue body, the cooling water in cooling pond can be to safe shell mold
It is cooled down at the top of quasi- body.
The technical program provides steam condensation phenomenon of Heat test research device in a kind of containment, can simulate and not coagulate
Tie the containment steam condensation diabatic process in the case of gas exists, the containment steam in the case of existing convenient for incondensable gas
Condense phenomenal research.
As a further improvement of the present invention, flow measurement of steam device, steam pressure are provided on the steam pipework
Measuring device and vapor (steam) temperature measuring device；The helium tube road is provided with helium gas flow measuring device, helium pressure measurement
Device and helium temperature measuring device；The condensation liquor collecting device is internally provided with condensate liquid device for pressure measurement, condensate liquid
Temperature measuring device and liquid level emasuring device；It is additionally provided with mixture pressure measuring device in the containment analogue body and mixes
Close gas temperature measuring device；Wall temperature measurement device is additionally provided in the internal side wall of containment analogue body.
Preferably, the steam generation device is electric heating steam generator.
Further, the steam generation device includes heating water tank and water injection pipe, and the water inlet is arranged in heating water tank
On, water injection pipe is connected on water inlet, and is provided with electrical heating elements in the heating water tank.
Further, the through-hole passed through for electrical heating elements is offered in the heating water tank, and heating water tank outer wall is arranged
There is the electrical heating elements tube socket of fixed electrical heating elements；Electrical heating elements tube socket one end is sealedly connected on the logical of heating water tank
Hole surrounding, the other end are vacantly used as free end, and it is logical that the center passed through for electrical heating elements is also offered on electrical heating elements tube socket
Hole；The electrical heating elements are threaded through in the central through hole of electrical heating elements tube socket, and one end of electrical heating elements passes through heating
The through-hole of water tank protrudes into heating water tank, and the other end is fixed on the other end of electrical heating elements tube socket by sealing device；Institute
Stating sealing device includes the red copper between clamp nut, the baffle ring positioned at clamp nut and the free end of electrical heating elements tube socket
Pad.In the technical program, electrical heating elements are stably fixed and are sealed in heating water tank, and safety is good.
Further, the helium feedway uses helium tank or helium tank.
Containment steam condensation heat transfer coefficient measuring method, by adopting the above technical scheme in any containment steam condensation
Heat transfer coefficient measurement experiment device is measured, and specifically includes parameter measurement step, and the parameter measurement step includes following step
It is rapid:
S11, steam pipework and helium pipeline are opened, is passed through steam and helium to containment analogue body；Monitoring enters safety
The parameter of the steam of shell analogue body, into the ginseng of mixed gas in the parameter of helium of containment analogue body, containment analogue body
Number, the parameter of the steam includes steam flow G1, vapor (steam) temperature T1With steam pressure P1；The parameter of the helium includes helium
Flow G2, helium temperature T2With helium pressure P2；The parameter of the mixed gas includes mixture pressure P3With gaseous mixture body temperature
Spend T3；
S12, the parameter of steam, the parameter of helium and mixed gas parameter stability after formally measured, it is described formal
Measurement includes step S121-123:
S121, parameter, the parameter of the parameter of helium and mixed gas for recording steam；
S122, measure containment analogue body inner wall wall surface temperature Tw1；
S123, the temperature T for measuring condensate liquid4, condensate liquid pressure P4With the liquid level L of condensate liquid1；
Wherein, step S121-S123 in no particular order sequence.
Further, above-mentioned containment steam condensation heat transfer coefficient measuring method further includes that steam condensation heat transfer coefficient calculates step
Suddenly, steam condensation heat transfer coefficient calculate step specifically includes the following steps:
S21, according to the steam flow G recorded in step S1211, vapor (steam) temperature T1, steam pressure P1, helium gas flow G2, helium
Temperature degree T2With helium pressure P2Calculate the content X of helium in mixed gas1；
S22, according to the vapor (steam) temperature T recorded in step S1211With steam pressure P1Calculate the enthalpy H of steam1；
S23, the temperature T according to condensate liquid4With the pressure P of condensate liquid4Calculate the enthalpy H of condensate liquid4；
S24, the liquid level L according to condensate liquid1Calculate the flow G of condensate liquid4；
S25, the enthalpy H according to steam1With the enthalpy H of condensate liquid4And the flow G of condensate liquid4Calculate steam condensation heat transfer power
W1；
S26, wall surface temperature Tw is calculated1With the mixed gas temperature T recorded in step S1213Temperature difference △ T, according to steaming
Vapour condensation heat transfer power W1, heat transfer area A and temperature difference △ T calculate containment steam condensation coefficient H；
Above-mentioned steps S21- step S24 in no particular order sequence.
Compared with prior art, the present invention having the following advantages and benefits:
1, it the present invention provides a kind of containment steam condensation heat transfer coefficient measurement experiment device and method, can support to pacify
The research of steam condensation phenomenon of Heat in full shell；
2, containment steam condensation heat transfer coefficient measurement experiment apparatus structure of the present invention it is simple, it is comprehensive it is strong, measurement is accurate,
Steam condensation char-acteristics in containment analogue body can be measured.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention
Fig. 2 is the structural schematic diagram of the steam generation device in embodiment 2.
Appended drawing reference and corresponding parts title:
1. water injection pipe；2. heating water tank；3. steam flow control valve；4. flow measurement of steam device；5. helium supply dress
It sets；6. helium gas flow regulating valve；7. helium gas flow measuring device；8. containment analogue body；9. condensing liquor collecting device；10. cold
But pond；11. wall temperature measurement device；12. mixture pressure measuring device；13. mixed gas temperature measuring device；14. steaming
Vapour pressure force measuring device；15. vapor (steam) temperature measuring device；16. helium pressure measuring device；17. helium temperature measuring device；
18. condensate liquid device for pressure measurement；19. condensate temperature measuring device；20- liquid level emasuring device；21- electrical heating elements；22-
Electrical heating elements tube socket；23- red copper pad；24- clamp nut.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
[embodiment 1]
As shown in Figure 1, containment steam condensation heat transfer coefficient measurement experiment device, including steam generation device, helium supply
To device 5, containment analogue body 8, condensation liquor collecting device 9, cooling pond 10, in which:
Containment analogue body 8 is used for simulating Safety shell, and there is the steam inlet for being passed through steam and the helium for being passed through helium to enter
Mouthful, bottom is provided with the condensate outlet of discharge condensate liquid；In the present embodiment, passed to study the steam condensation of steel containment vessel
Steam condensation heat transfer coefficient in thermal phenomenon, measurement nuclear reactor passive containment, containment analogue body 8 just use the prior art
In steel containment vessel.
For steam generation device for generating steam and being supplied to containment analogue body 8, steam generation device has water inlet
And steam (vapor) outlet, it is connected between the steam (vapor) outlet and the steam inlet of containment analogue body 8 by steam pipework, the steam pipe
Road is provided with steam flow control valve 3, steam pressure measuring device 14 and vapor (steam) temperature measuring device 15 and steam stream measures
Measure device 4.The steam that steam generation device generates enters containment through steam flow control valve 3 and flow measurement of steam device 4
Analogue body 8, the aperture by adjusting steam flow control valve 3 can control the steam flow into containment analogue body 8, pass through
Flow measurement of steam device 4 can measure the steam flow into containment analogue body 8.In the present embodiment, the steam generation
Device uses electric heating steam generator.
Helium feedway 5 be used for containment analogue body 8 provide helium, with helium export, the helium outlet with
By helium piping connection between the helium entrance of containment analogue body 8, the helium tube road is provided with helium gas flow adjusting
Valve 6, helium pressure measuring device 16 and helium temperature measuring device 17 and helium gas flow measuring device 7.To helium supply dress
It sets 5 and helium is filled with toward containment analogue body 8 by helium gas flow regulating valve 6 and helium gas flow measuring device 7.By adjusting helium
The aperture of flow control valve 6 can control the helium gas flow into containment analogue body 8, can by helium gas flow measuring device 7
To measure the helium gas flow for entering containment analogue body 8.In the present embodiment, helium feedway 5 be can be, but not limited to using helium
Gas cylinder, helium tank, helium pressurising equipment etc..Reactor can generate hydrogen when accident occurs, and enter containment.Hydrogen etc. is no
It will affect the condensation heat transfer of steam after noncondensing gas and steam mixing.Hydrogen easily burns under aerobic conditions, or even explosion, helium
Gas is inert gas, and chemical property is stablized, will not combustion explosion, helium is in nature and the immediate gas of hydrogen density,
And the thermal conductivity and hydrogen of helium differ very little.Therefore hydrogen is simulated using helium in the present embodiment, research helium exists pair
The influence of condensation coefficient in containment most close to truth and can will not generate security threat.
Cooling pond 10 carries out cooling cooling water to containment analogue body 8 for providing, and is arranged in the safe shell mold
At the top of quasi- body 8, the cooling water in cooling pond 10 can cool down the top of containment analogue body 8.Cooling pond 10 is right
Containment analogue body 8 is constantly cooled down, and when cooling, the steam of 8 inner wall of containment analogue body can be condensed to form condensate liquid, cold
Lime set is collected to 8 bottom of containment analogue body under the effect of gravity.10 reality of cooling pond in the present embodiment is to hold cooling
The device of water, the bottom of the device can be the top exterior walls of containment analogue body 8, push up cooling water and containment analogue body 8
Portion's contact, using cooling water to being cooled down at the top of containment analogue body 8.
Liquor collecting device 9 is condensed, 8 lower part of containment analogue body, the condensate outlet phase with containment analogue body 8 are located at
Even, for collecting the condensate liquid of 8 inside wall surface of containment analogue body generation, the condensate liquid that 8 inner wall of containment analogue body is formed converges
It is flowed into condensation liquor collecting device 9 after collecting 8 bottom of containment analogue body by condensate outlet.It condenses in liquor collecting device 9
Portion is provided with condensate liquid device for pressure measurement 18, condensate temperature measuring device 19 and high-precision liquid level emasuring device 20, should
The liquid level of the condensate liquid of 20 pairs of liquid level emasuring device inflow condensate liquid collection devices 9 carries out real-time measurement.
Mixture pressure measuring device 12 and mixed gas temperature measuring device are additionally provided in containment analogue body 8
13；Device for pressure measurement 12 carries out real-time measurement to gas (the steam and helium) pressure in containment analogue body 8；Temperature measurement
Device 13 carries out real-time measurement to gas (the steam and helium) temperature in containment analogue body 8；The inside of containment analogue body 8
It is additionally provided with wall temperature measurement device 11 on side wall, the wall temperature of containment analogue body 8 is measured.
In the present embodiment, device for pressure measurement 12 uses pressure sensor, and temperature measuring device 13 uses temperature sensor,
The flow measurement of steam device 4 and helium gas flow measuring device 7 are all made of flowmeter, and wall temperature measurement device 11 uses thermoelectricity
It is even；These devices can carry out real-time monitoring to steam condensation char-acteristics in containment analogue body 8.
A kind of containment steam condensation heat transfer coefficient measurement experiment device is present embodiments provided, can be supported in containment
The research of steam condensation phenomenon of Heat；Experimental provision structure is simple, it is comprehensive it is strong, measurement is accurate, containment simulation can be measured
Internal steam condensation char-acteristics.
In the present embodiment, condensate outlet is arranged in 8 bottom of containment analogue body, makes condensed water directly under the effect of gravity
Into the condensation liquor collecting device of lower part, and carry out real-time measurement.If other of containment analogue body 8 are arranged in condensate outlet
Position, such as middle part or top, then in a very long time without measurement result.
[embodiment 2]
On the basis of embodiment 1, steam generation device is further improved in the present embodiment:
The steam generation device includes heating water tank 2 and water injection pipe 1, and the water inlet is arranged in heating water tank 2, note
Water pipe 1 is connected on water inlet, i.e. one end of water injection pipe 1 is connected with tap water, and the other end is connected into heating water tank 2, for heating
Water tank 2 persistently supplements cold water.It there also is provided the electrical heating elements that 4 electrical power are 20kW in the heating water tank 2 and be provided with electricity
Heating element 21, for generating steam.
Fig. 2 is connection type of the electrical heating elements 15 in heating water tank 2, and power supply is offered in the heating water tank 2 and is added
The through-hole that thermal element 21 passes through, and 2 outer wall of heating water tank is provided with the electrical heating elements tube socket 22 of fixed electrical heating elements 21；Institute
The through-hole surrounding that 22 one end of electrical heating elements tube socket is sealedly connected on heating water tank 2 is stated, the other end is vacantly used as free end, this reality
It applies in example, 22 right end of electrical heating elements tube socket is sealedly connected on the through-hole surrounding of 2 outer wall of heating water tank, and left end is vacantly used as freedom
End；The electrical heating elements tube socket 22 offers the central through hole through 22 both ends of electrical heating elements tube socket, the electric heating member
Part 21 passes through the central through hole of electrical heating elements tube socket 22, and the right end of electrical heating elements 21 is stretched by the through-hole of heating water tank 2
Enter in heating water tank 2, left end is fixed on the other end of electrical heating elements tube socket 22 (electrical heating elements 21 by sealing device
Left end end can extend slightly from sealing device or be located in sealing device)；The clamp nut 23 include clamp nut 24,
Red copper pad 23, the clamp nut 24 include baffle ring and swivel nut, and swivel nut is set in outside electrical heating elements tube socket 21 and central axis
It is parallel to the central axis of electrical heating elements tube socket 22, baffle ring is connected to the left end of swivel nut, and the center of baffle ring offers power supply and adds
The through-hole that the left end end of thermal element tube socket 22 or cable stretch out.Red copper pad 23 is located at the right side of the baffle ring of clamp nut 24
Between the free end of electrical heating elements tube socket 22.
In this way, welding electrical heating elements tube socket 22 in heating water tank 2, electrical heating elements 21 are inserted into electrical heating elements tube socket
After 22, by 23 sets of red copper pad in 21 left end of electrical heating elements, then clamp nut 24 is put on, red copper pad 23 is made by clamp nut 24
Deformation occurs, to realize the fixation and sealing of electrical heating elements 21.
Further, the side of the close electrical heating elements tube socket 1 of the baffle ring is tapered surface, the electrical heating elements pipe
The end face of the free end of seat 22 is also tapered surface.That is the right side of baffle ring described in the present embodiment tapered face of concave shape to the left,
The tapered face of concave shape, the such extruding of clamp nut 24 red copper pad 23 make purple to the right for the left side of the electrical heating elements tube socket 22
When deformation occurs, red copper pad 23 is easier deformation and is sealed to electrical heating elements 21 copper packing 23.
[embodiment of the method]
Containment steam condensation heat transfer coefficient measuring method is passed using the containment steam condensation in any of the above-described embodiment
Hot coefficient determination experimental provision is measured, and specifically includes parameter measurement step, steam condensation heat transfer coefficient calculates step.
The parameter measurement step the following steps are included:
S11, steam pipework and helium pipeline are opened, is passed through steam and helium to containment analogue body 8；Monitoring enters safety
The parameter of the steam of shell analogue body 8, into mixed gas in the parameter of helium of containment analogue body 8, containment analogue body 8
Parameter, the parameter of the steam include steam flow G1, vapor (steam) temperature T1With steam pressure P1；The parameter of the helium includes helium
Throughput G2, helium temperature T2With helium pressure P2；The parameter of the mixed gas includes mixture pressure P3And mixed gas
Temperature T3；
S12, the parameter of steam, the parameter of helium and mixed gas parameter stability after formally measured, it is described formal
Measurement includes step S121-123:
S121, parameter, the parameter of the parameter of helium and mixed gas for recording steam；
S122, measure containment analogue body 8 inner wall wall surface temperature Tw1；
S123, the temperature T for measuring condensate liquid4, condensate liquid pressure P4With the liquid level L of condensate liquid1；
Wherein, step S121-S123 in no particular order sequence.
The steam condensation heat transfer coefficient calculate step specifically includes the following steps:
S21, according to the steam flow G recorded in step S1211, vapor (steam) temperature T1, steam pressure P1, helium gas flow G2, helium
Temperature degree T2With helium pressure P2Calculate the content X of helium in mixed gas1；The content of helium is that one of influence heat transfer is important
Its influence must be taken into consideration in variable, the condensation heat transfer model or measurement containment steam condensation heat transfer coefficient of acquisition；
S22, according to the vapor (steam) temperature T recorded in step S1211With steam pressure P1Calculate the enthalpy H of steam1；
S23, the temperature T according to condensate liquid4With the pressure P of condensate liquid4Calculate the enthalpy H of condensate liquid4；
S24, the liquid level L according to condensate liquid1And liquid level changes with time and calculates the flow G of condensate liquid4；S25, basis
The enthalpy H of steam1With the enthalpy H of condensate liquid4And the flow G of condensate liquid4Calculate steam condensation heat transfer power W1；
S26, wall surface temperature Tw is calculated1With the mixed gas temperature T recorded in step S1213Temperature difference △ T, according to steaming
Vapour condensation heat transfer power W1, heat transfer area A and temperature difference △ T calculate containment steam condensation coefficient H；Biography in this step
Heat area A refers to bottom and the steam, helium mix gas contact portion of containment analogue body 8, using vernier caliper
Heat transfer area A is measured；
Above-mentioned steps S21- step S24 in no particular order sequence.
Further, also last interpretation go out with vapor (steam) temperature, steam pressure, steam flow, helium share,
Temperature difference is the containment steam condensation coefficient functional relation of variable, for calculating under real reaction heap accident conditions
The heat-transfer capability of reactor passive containment.
In the present embodiment, the enthalpy H of steam in step S221Calculating, in step S21 helium content X1Calculating, step
The enthalpy H of condensate liquid in S234, in step S24 condensate liquid flow G4, steam condensation heat transfer power W in step S251Calculating it is equal
For the prior art, its specific algorithm is repeated no more in the present embodiment.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (5)
1. containment steam condensation heat transfer coefficient measuring method, which is characterized in that surveyed using containment steam condensation heat transfer coefficient
Determine experimental provision to be measured, the containment steam condensation heat transfer coefficient measurement experiment device includes:
Steam generation device has water inlet and steam (vapor) outlet for generating steam；
Helium feedway (5) has helium outlet for providing helium to containment analogue body (8)；
Containment analogue body (8) is used for simulating Safety shell, has steam inlet and helium entrance, bottom is provided with condensate liquid and goes out
Mouthful；It is connect between the steam (vapor) outlet of the steam generation device and the steam inlet of containment analogue body (8) by steam pipework,
Steam flow control valve (3) are provided on the steam pipework；The helium entrance and helium of the containment analogue body (8) supply
By helium piping connection between the helium outlet of device (5), the helium tube road is provided with helium gas flow regulating valve (6)；
It condenses liquor collecting device (9), is connected with the condensate outlet of containment analogue body (8), for collecting containment analogue body
(8) condensate liquid that internal wall surface generates；
It is additionally provided with cooling pond (10) at the top of the containment analogue body (8), the cooling water in cooling pond (10) can be right
Containment analogue body is cooled down at the top of (8)；
Flow measurement of steam device (4), steam pressure measuring device (14) and vapor (steam) temperature is provided on the steam pipework to survey
It measures device (15)；The helium tube road is provided with helium gas flow measuring device (7), helium pressure measuring device (16) and helium
Temperature measuring device (17)；The condensation liquor collecting device (9) is internally provided with condensate liquid device for pressure measurement (18), condensate liquid
Temperature measuring device (19) and liquid level emasuring device (20)；Mixture pressure is additionally provided in the containment analogue body (8)
Measuring device (12) and mixed gas temperature measuring device (13)；Wall is additionally provided in the internal side wall of containment analogue body (8)
Temperature measurement device (11)；
The containment steam condensation heat transfer coefficient measuring method the following steps are included:
S11, steam pipework and helium pipeline are opened, is passed through steam and helium to containment analogue body (8)；Monitoring enters containment
The parameter of the steam of analogue body (8), the parameter of helium into containment analogue body (8), containment analogue body (8) interior gaseous mixture
The parameter of body, the parameter of the steam include steam flow G1, vapor (steam) temperature T1With steam pressure P1；The parameter packet of the helium
Include helium gas flow G2, helium temperature T2With helium pressure P2；The parameter of the mixed gas includes mixture pressure P3With it is mixed
Close gas temperature T3；
S12, the parameter of steam, the parameter of helium and mixed gas parameter stability after formally measured, the formal measurement
Including step S121-123:
S121, parameter, the parameter of the parameter of helium and mixed gas for recording steam；
S122, measure containment analogue body (8) inner wall wall surface temperature Tw1；
S123, the temperature T for measuring condensate liquid4, condensate liquid pressure P4With the liquid level L of condensate liquid1；
Wherein, step S121-S123 in no particular order sequence；
S21, according to the steam flow G recorded in step S1211, vapor (steam) temperature T1, steam pressure P1, helium gas flow G2, helium
Temperature T2With helium pressure P2Calculate the content X of helium in mixed gas1；
S22, according to the vapor (steam) temperature T recorded in step S1211With steam pressure P1Calculate the enthalpy H of steam1；
S23, the temperature T according to condensate liquid4With the pressure P of condensate liquid4Calculate the enthalpy H of condensate liquid4 ；
S24, the liquid level L according to condensate liquid1Calculate the flow G of condensate liquid4；
S25, the enthalpy H according to steam1With the enthalpy H of condensate liquid4And the flow G of condensate liquid4Calculate steam condensation heat transfer power W1；
S26, wall surface temperature Tw is calculated1With the mixed gas temperature T recorded in step S1213Temperature difference △ T, it is cold according to steam
Solidifying heat power W1, heat transfer area A and temperature difference △ T calculate containment steam condensation coefficient H；
Above-mentioned steps S21- step S24 in no particular order sequence.
2. containment steam condensation heat transfer coefficient measuring method according to claim 1, which is characterized in that the steam produces
Generating apparatus is electric heating steam generator.
3. containment steam condensation heat transfer coefficient measuring method according to claim 2, which is characterized in that the steam produces
Generating apparatus includes heating water tank (2) and water injection pipe (1), and the water inlet is arranged on heating water tank (2), water injection pipe (1) connection
Electrical heating elements (21) are provided on water inlet, and in the heating water tank (2).
4. containment steam condensation heat transfer coefficient measuring method according to claim 3, which is characterized in that the heating water
The through-hole passed through for electrical heating elements (21) is offered on case (2), and heating water tank (2) outer wall is provided with fixed electrical heating elements
(21) electrical heating elements tube socket (22)；Described electrical heating elements tube socket (22) one end is sealedly connected on the logical of heating water tank (2)
Hole surrounding, the other end are vacantly used as free end, also offer on electrical heating elements tube socket (22) and pass through for electrical heating elements (21)
Central through hole；The electrical heating elements (21) are threaded through in the central through hole of electrical heating elements tube socket (22), and electric heating member
One end of part (21) is protruded into heating water tank (2) by the through-hole of heating water tank (2), and the other end is fixed on electricity by sealing device
On the other end of heating element tube socket (22)；The sealing device includes clamp nut (24), the gear for being located at clamp nut (24)
Red copper pad (23) between ring and the free end of electrical heating elements tube socket (22).
5. containment steam condensation heat transfer coefficient measuring method according to claim 1, which is characterized in that the helium supplies
Helium tank or helium tank are used to device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206662.8A CN106970108B (en) | 2017-03-31 | 2017-03-31 | Containment steam condensation heat transfer coefficient measurement experiment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710206662.8A CN106970108B (en) | 2017-03-31 | 2017-03-31 | Containment steam condensation heat transfer coefficient measurement experiment device and method |
Publications (2)
| Publication Number | Publication Date |
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| CN103033532B (en) * | 2012-12-14 | 2014-08-20 | 哈尔滨工程大学 | Experimental device for condensation heat-exchange of steam containing multi-component non-condensable gases |
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| CN105551542A (en) * | 2016-01-29 | 2016-05-04 | 中国原子能科学研究院 | Water-cooling containment simulation device |
| CN105788682A (en) * | 2016-03-22 | 2016-07-20 | 上海交通大学 | Nuclear reactor containment cooling simulation system and method based on external spraying |
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