CN207637503U - Experimental rig for the passive guiding system of containment heat - Google Patents
Experimental rig for the passive guiding system of containment heat Download PDFInfo
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- CN207637503U CN207637503U CN201721635507.XU CN201721635507U CN207637503U CN 207637503 U CN207637503 U CN 207637503U CN 201721635507 U CN201721635507 U CN 201721635507U CN 207637503 U CN207637503 U CN 207637503U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a kind of experimental rig for the passive guiding system of containment heat, the experimental rig for the passive guiding system of containment heat includes：Containment analogue body；Compressed air supply system, helium supply system are connected with containment analogue body；Steam supply system, steam supply system are connected with containment analogue body；Heat exchanger tube testpieces is placed in containment analogue body；Forced circulation circuit is connected to form active heat derives with heat exchanger tube testpieces and recycles；Natural convection loop is connected to form passive heat derives with heat exchanger tube testpieces and recycles, and forced circulation circuit and natural convection loop optionally work；Data collecting system, data collecting system are used to acquire the parameter in containment analogue body.The experimental rig for the passive guiding system of containment heat of the utility model, can be with the accident environment of the passive guiding system of simulating Safety shell heat, in order to which the performance to the passive guiding system of containment heat is studied.
Description
Technical field
The utility model belongs to nuclear energy security technology area, passive for containment heat in particular to one kind
The experimental rig of guiding system.
Background technology
Containment is nuclear power plant's last one of safety curtain that radioactive fission product discharges in order to prevent, in current third
For all including containment passive cooling system in the design of nuclear power station, when triggering its action once accident occurs, in system
Water tank can maintain passive operation, by steel containment vessel surface carry out spraying cooling effectively take away residual heat of nuclear core,
To ensure containment structure safety, operator can in 72 hours without intervening.However Fukushima, Japan nuclear accident
The result shows that under the extreme case of earthquake and the dual destruction of tsunami, accident all failed to restore to supply outside the venue up to 7 days after occurring
Electricity.If can not still restore supply of electric power after 72 hours, nuclear power station can lead to passive residual heat removal because spray water tank is anhydrous
Failure about still has the reactor core decay heat (being estimated by AP1000 heap-type) of about 11MW not export safely and effectively, will be to containment
Generation seriously threatens.
For current nuclear power plant containment shell waste heat guiding system, there are the limited short slabs of operating time, long-term complete in order to cope with
Heat can not export problem in containment caused by factory's loss of power accident, it is necessary to exploitation one kind by passive mode, be not required to factory
Heat derives system in long-term, safe and reliable containment can be realized in outer support, as passive cold to existing containment
But system is further perfect, will greatly promote nuclear power station and cope with extreme accident ability, substance eliminates extensive radioactivity
The possibility of substance release.
The passive guiding system of this heat applied to nuclear power plant containment shell be one by being installed in containment in
The closed circulation system for setting heat exchanger and air cooler and its pipeline that is connected composition outside containment, based on built-in heat exchanger and sky
Working medium density contrast and difference in height in cooler form stable Natural Circulation driving force, and the heat in containment is continuously carried out,
And it is finally discharged into atmospheric environment.To determine the technical solution of the system, it is necessary to the physics involved in its operational process
Phenomenon and system performance carry out in-depth study, have no correlation test device at present so that researcher is difficult to obtain the heat
The data of passive guiding system.
Invention content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model carries
Go out a kind of experimental rig for the passive guiding system of containment heat, the experimental rig is convenient for the non-energy of containment heat
The performance of dynamic guiding system is studied.
According to the experimental rig for the passive guiding system of containment heat of the utility model embodiment, including：Peace
Full shell analogue body；Compressed air supply system, the compressed air supply system are connected with the containment analogue body；Helium supplies
System, the helium supply system is answered to be connected with the containment analogue body；Steam supply system, the steam supply system with
The containment analogue body is connected；Heat exchanger tube testpieces, the heat exchanger tube testpieces are placed in the containment analogue body；It forces
Circulation loop, the forced circulation circuit are connected to form active heat derives with the heat exchanger tube testpieces and recycle；Natural Circulation
Circuit, the natural convection loop are connected to form passive heat derives with the heat exchanger tube testpieces and recycle, and described force is followed
Loop back path and the natural convection loop optionally work；Data collecting system, the data collecting system is for acquiring
Parameter in the containment analogue body and on the forced circulation circuit, the natural convection loop.
According to the experimental rig for the passive guiding system of containment heat of the utility model embodiment, pass through design
Forced circulation circuit and natural convection loop, can with the accident environment of the passive guiding system of simulating Safety shell heat, in order to
The performance of the passive guiding system of containment heat is studied, the passive guiding system of shell heat is put into ensure safety
Safety and reliability when use.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Heat exchanger tube testpieces includes that the inducer being sequentially connected, heat exchange test section and outlet section, the inducer and the outlet section are equal
Suitable for being connected to the forced circulation circuit, the natural convection loop, the heat exchange test section is located at containment simulation
In internal experimental test region.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Data collecting system includes：Multigroup wall surface temperature detection device and multigroup ambient temperature detection device, multigroup wall surface temperature
Detection device is opened in the outside wall surface of the heat exchange test section, multigroup environment temperature along the axially spaced-apart of the heat exchange test section
It is contour correspondingly in the experimental test region with multigroup wall surface temperature detection device to spend detection device, and with
The heat exchanger tube testpieces is spaced radially apart.
According to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment, every group
The wall surface temperature detection device has multiple wall surface temperature detection devices, and along the circumferentially-spaced of the heat exchange test section
It opens, ambient temperature detection device described in every group has multiple ambient temperature detection devices, and along the heat exchange test section
Circumferentially around the heat exchange test section.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
The fixed link for fixing the ambient temperature detection device is equipped in containment analogue body, the fixed link is surveyed with the heat exchange
It is parallel to try section.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
The outside wall surface of heat exchange test section is equipped with groove, and the wall surface temperature detection device is installed in the groove, and the groove is logical
Scolding tin is crossed to fill and lead up.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Wall surface temperature detection device and the ambient temperature detection device are temperature thermocouple.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Containment analogue body is equipped with Thermocouple penetration piece interface, and the temperature thermocouple of the containment analogue body passes through the thermocouple
Penetration piece interface is pierced by the containment analogue body.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Inducer and the outlet section are disposed radially.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
It is coated with insulating layer outside inducer and the outlet section.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
The length of inducer and the outlet section is adjustable to change axis of the heat exchange test section relative to the containment analogue body
Inclination angle.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Heat exchange test section is connected by flange with the inducer and the outlet section.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Containment analogue body be equipped with perforative working medium accessing port and working medium outgoing interface, the working medium accessing port by flange with it is described into
Mouth section is connected, and the working medium outgoing interface is connected by flange with the outlet section.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Containment analogue body includes described in the cylindrical tank main body of both ends open and the upper cover of the closing can body upper end and closing
At least part of the low head of can body lower end, the can body forms experimental test region, and the heat exchanger tube testpieces is set
In the experimental test region.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Upper uniform flow orifice and lower uniform flow orifice, shape between the upper uniform flow orifice and the lower uniform flow orifice are equipped in containment analogue body
At the experimental test region, the heat exchanger tube testpieces be set to the experimental test region, the compressed air supply system,
The helium supply system and the gas of steam supply system supply respectively by the upper uniform flow orifice, described lower flow
Orifice plate enters the experimental test region.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Upper uniform flow orifice and the lower uniform flow orifice are detachable.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Upper uniform flow orifice and the lower uniform flow orifice are that polylith is articulated with the fanning strip of the cylindrical tank main body and is spliced.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Lower uniform flow orifice limits bottom water tank jointly with the low head, and the bottom water tank is for accommodating deionized water, the steaming
Vapour supply system includes the bottom water tank and the steam generation electric heater set on the bottom water tank.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Bottom water tank is equipped with temperature point to detect the temperature of deionized water, and controls the steam generation electrical heating according to the temperature
Device.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Steam supply system includes small pump and cyclic water tank, and the cyclic water tank passes through the small pump and the bottom water tank phase
Even.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Bottom water tank is equipped with liquid level gauge, and the liquid level gauge is used to detect the liquid level of the bottom water tank and is connected with the small pump.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Containment analogue body includes insulating layer and epidermis stainless steel layer.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Containment analogue body is equipped with multiple observation windows, and video camera and light source are equipped at the observation window.
It is multiple according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
At least one of described observation window is set to the upper cover, and at least multiple in multiple observation windows are along the can body
It is circumferential or axially spaced.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Can body wall surface corresponding with the experimental test region is equipped with multiple axially spaced gaseous mass analyzer thief holes, described
Data collecting system includes the gas sample tube being set in the gaseous mass analyzer thief hole.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Gas sample tube is set as radially stretching.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Containment analogue body is equipped with perforative working medium accessing port and working medium outgoing interface, the both ends of the heat exchanger tube testpieces respectively with it is described
The inner end of working medium accessing port is connected with the inner end of the working medium outgoing interface, and the natural convection loop includes：Air cooler, the sky
Cooler is placed in outside the containment analogue body, and the both ends of the air cooler respectively with the outer end of the working medium accessing port and described
The outer end of working medium outgoing interface is connected.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Natural convection loop includes：Stable-pressure device, the stable-pressure device be connected in parallel the air cooler and the working medium accessing port it
Between pipeline on.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Stable-pressure device includes：Nitrogen cylinder and vacuum tank, the nitrogen cylinder are connected with the vacuum tank, and the vacuum tank is connected in institute in parallel
It states on the pipeline between the outlet end of air cooler and the input end of the heat exchanger tube testpieces.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Containment analogue body is equipped with perforative working medium accessing port and working medium outgoing interface, the both ends of the heat exchanger tube testpieces respectively with it is described
The inner end of working medium accessing port is connected with the inner end of the working medium outgoing interface, and the forced circulation circuit includes being sequentially connected：It is cold
But device, cyclic water tank, water circulating pump, working medium preheater, the cooler away from one end of the cyclic water tank and the work
The outer end of matter outgoing interface is connected, the working medium preheater away from one end of the water circulating pump and the working medium accessing port outside
End is connected.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Water circulating pump includes the water pump that two power are different and are connected in parallel, and two water pumps are optionally opened.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
The bottom of cyclic water tank sets electric heater.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
There is compressed air interface at the top of cyclic water tank, and is optionally connected to the compressed air supply system.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Cooler includes the cooler that two power are different and are connected in parallel, and two coolers are optionally opened.
According to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment, also wrap
Recirculating cooling water system is included, the recirculating cooling water system is connected with the cooler.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Containment analogue body is equipped with perforative working medium accessing port and working medium outgoing interface, the both ends of the heat exchanger tube testpieces respectively with it is described
The inner end of working medium accessing port is connected with the inner end of the working medium outgoing interface, the natural convection loop and the forced circulation circuit
The same section of heat exchanger tube testpieces is shared, is equipped with switch valve outside the working medium accessing port and the working medium outgoing interface, institute
Natural convection loop is stated with the forced circulation circuit to go out by the switch valve and the working medium accessing port, the working medium
Interface is connected.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Compressed air supply system includes air compressor machine, compressed air reservoir and gas preheater connected in sequence.
It is special according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Sign is that the helium supply system includes helium tank group and helium leakage alarm.
It is described according to the experimental rig for the passive guiding system of containment heat of the utility model one embodiment
Steam supply system includes external steam boiler.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is the structural schematic diagram according to the forced circulation circuit of the experimental rig of the utility model embodiment；
Fig. 2 is the structural schematic diagram according to the natural convection loop of the experimental rig of the utility model embodiment；
Fig. 3 and Fig. 4 is the structural schematic diagram according to the containment analogue body of the utility model embodiment；
Reference numeral：
Containment analogue body 100, low head 110, can body 120, upper cover 130, experimental test region 140, bottom water
Case 150, steam generation electric heater 160,
Helium, compressed air inlet N1, steam inlet N2, condensate liquid drain a mouthful N3, water supplement port N4, working medium accessing port N5,
Working medium outgoing interface N6, relief valve connection N7, air bleeding valve interface N8, gaseous mass analyzer thief hole N9a~h, top orifice N12 are warm
Galvanic couple penetration piece interface N13, forceful electric power penetration piece interface N14, air bleeding valve interface N15, thermometer boss T1, T2, steam generation electricity
Heater interface E1~E4, pressure gauge connection P1, interface of the level gauge L1, L2, observation window G1~G7, inspection manhole M1 are lower to flow
Orifice plate A1, upper uniform flow orifice A2,
Heat exchanger tube testpieces 200, inducer 210, exchange heat test section 220, outlet section 230,
Forced circulation circuit 300, cooler 301a, 301b, cyclic water tank 303, water circulating pump 304a, 304b, working medium are pre-
Hot device 305,
Natural convection loop 400, air cooler 401, nitrogen cylinder 402, vacuum tank 403,
Compressed air reservoir 502, gas preheater 503, helium supply system 504,
Small pump 601,
Temperature point T, pressure-measuring-point P, flow measuring point F, liquid level measuring point L, humidity measuring point H.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more this feature.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
The passive guiding system of containment heat is particularly suitable for pressurized water reactor, and pressurized water reactor is, for example, AP/CAP elder generations
Into pressurized water reactor (the advanced pressurized water reactor of such as AP1000 and CAP100).Single heap power of pressurized water reactor is big, 72 after shutdown
Decay heat after hour is still up to 17MW, is still 6.8MW after 30 days.According to the passive containment of the utility model embodiment
Heat derives system is not necessarily to active moisturizing, with remaining able to no time limit passively by containment after shutdown 72 hours
Interior heat derives, improve safety.
The passive guiding system of containment heat includes：Safe inner casing, Secure Shell, built-in heat exchanger, air-cooled channel and
Air cooler, built-in heat exchanger are located in safe inner casing.Air-cooled channel is located at outside Secure Shell, and air-cooled channel has air-cooled channel
Air inlet and air-cooled channel vent mouth.Air cooler is located in air-cooled channel, and air cooler is located at air-cooled channel inlet mouth and leads to air-cooled
Between road exhaust outlet.The import of air cooler is connected by the first communicating pipe with the outlet of built-in heat exchanger, and the outlet of air cooler is logical
It is connected with the import of built-in heat exchanger after the second communicating pipe.Organic catalyst carrier follows naturally between air cooler and built-in heat exchanger
Ring, to export the heat in safe inner casing.In other words, air cooler, built-in heat exchanger, the first communicating pipe and second communicating pipe structure
At heat derives circuit, as organic catalyst carrier of circulatory mediator can be pure organic catalyst carrier in circuit, such as ethylene glycol,
Freon can also be the mixture of water and organic catalyst carrier such as ethylene glycol, as long as the freezing point of the mixture is low so as in cold
The mixture is non-condensing under weather conditions.
The passive guiding system of containment heat is used for according to the utility model embodiment below with reference to Fig. 1-Fig. 2 descriptions
Experimental rig.
As Figure 1-Figure 2, the passive guiding system of containment heat is used for according to the utility model one embodiment
Experimental rig include：Containment analogue body 100, compressed air supply system, steam supply system, heat exchanger tube testpieces 200,
Forced circulation circuit 300, natural convection loop 400, data collecting system and power supply system.
Wherein, containment analogue body 100 is used for the containment of simulation reaction out-pile.
Compressed air supply system is connected with containment analogue body 100, and compressed air supply system is used for safe shell mold
Quasi- body 100 provides compressed air, to create the thermal environment containing incoagulable gas for simulating Safety shell analogue body 100.Such as Fig. 1
Shown in Fig. 2, compressed air supply system may include air compressor machine, compressed air reservoir 502 and gas preheating connected in sequence
Device 503, compressed air are filled in compressed air reservoir 502 by air compressor machine and are stored, and gas preheater 503 is improving filling gas
The temperature of body.
Helium supply system 504 is connected with containment analogue body 100, and helium supply system 504 is used to simulate to containment
Helium is filled in body 100, when safety accident occurs, will produce hydrogen in containment, and the quality coefficient of helium is close to hydrogen, helium
Gas is for simulating hydrogen, to ensure the safety of experiment.Helium supply system 504 includes that helium tank group and helium leakage are alarmed
Instrument, helium are supplied by helium tank group.
Compressed air or helium can be filled by the top or lower interface of containment analogue body 100 in shell, with as possible
The temperature field in experimental test region 140 is had an impact when reducing filling gas.
Steam supply system is connected with containment analogue body 100, and steam supply system is used to supply to containment analogue body 100
Answer high-temperature steam, simulation accidents happened occur after containment high pressure hygrothermal environment.
Heat exchanger tube testpieces 200 is placed in containment analogue body 100, can be led to when working medium flows through heat exchanger tube testpieces 200
The tube wall and the air heat-exchange in containment analogue body 100 for crossing heat exchanger tube testpieces 200.
Natural convection loop 400 is connected to form passive heat derives with heat exchanger tube testpieces 200 and recycles, and Natural Circulation is returned
Road 400 is used for the work of the passive guiding system of simulating Safety shell heat, forced circulation circuit 300 and heat exchanger tube testpieces 200
It is connected to form active heat derives cycle, forced circulation circuit 300 and natural convection loop 400 optionally work.
Forced circulation circuit 300 and natural convection loop 400 can work independently：It, can when natural convection loop 400 is connected to
To test the overall heat exchange performance of the passive guiding system of containment heat；Forced circulation circuit 300 is returned compared to Natural Circulation
Road 400 is due to that with outside force, can make working medium more stably circulate, can be with when forced circulation circuit 300 is connected to
Test the working performance of other parts of heat exchanger tube testpieces 200 or natural convection loop 400.
Data collecting system be used to acquire parameter in containment analogue body 100, the parameter in forced circulation circuit 300, from
The parameter of right circulation loop 400, power supply system then provide electric energy for whole device.
According to the experimental rig for the passive guiding system of containment heat of the utility model embodiment, pass through design
Forced circulation circuit 300 and natural convection loop 400, can with the accident environment of the passive guiding system of simulating Safety shell heat,
In order to which the performance to the passive guiding system of containment heat is studied, the passive guiding system of shell heat to ensure safety
Safety and reliability when coming into operation.
As shown in figure 3, containment analogue body 100 includes can body 120, upper cover 130, low head 110, can body 120
Can be the cylinder of both ends open, upper cover 130 closes 120 upper end of can body, and low head 110 closes 120 lower end of can body,
Upper cover 130 and low head 110 can be half elliptic, as shown in figure 4, upper cover 130 is provided with inspection manhole, such as Fig. 3 institutes
Show, low head 110 is welded with four bearings, for installing fixed tank body.The design pressure of containment analogue body 100 can be
1.5MPa, containment analogue body 100 include insulating layer and epidermis stainless steel layer, for example outside uses thickness for 100mm glass fibers
Dimension heat-preservation cotton keeps the temperature tank body, and 1mm thickness stainless steel plates is used in combination to coat.
At least part of can body 120 forms experimental test region 140, and heat exchanger tube testpieces 200 is placed in experimental test
Region 140, heat exchanger tube can be made of stainless steel tube, can be tested by heat exchanger tube when working medium flows through heat exchanger tube testpieces 200
The tube wall of part 200 and the air heat-exchange in containment analogue body 100.
As shown in Figure 1-Figure 3, upper uniform flow orifice A2 and lower uniform flow orifice A1 is equipped in containment analogue body 100, it is upper to flow
Orifice plate A2 and lower uniform flow orifice A1 is detachable, and upper uniform flow orifice A2 and lower uniform flow orifice A1 are that polylith is articulated with cylinder
The fanning strip of shape can body 120 is spliced, for example upper uniform flow orifice A2 and lower uniform flow orifice A1 is that two semicircle orifice plates are spelled
It connects, plate is hingedly fixed with the support element inside containment analogue body 100, can be easy to disassemble when needing.Upper uniform flow orifice
A2 and lower uniform flow orifice A1 is diameter 1.5m, and the stainless steel plate of thickness 8mm, the size to punch is 100mm, and the number in hole is 20
A, total circulation area is 0.157m2。
As shown in figure 3, experimental test region 140 is formed between upper uniform flow orifice A2 and lower uniform flow orifice A1, heat exchanger tube examination
It tests part 200 and is set to experimental test region 140, the gas of compressed air supply system supply enters experiment by upper uniform flow orifice A2
Test zone 140, the gas that helium supply system 504 is supplied enter experimental test region 140, steam by upper uniform flow orifice A2
The gas of supply system supply enters experimental test region 140 by lower uniform flow orifice A1.Upper uniform flow orifice A2 and lower equal discharge orifice
Plate A1 makes the mixed gas entered in containment analogue body 100 more uniform, reduces the influence of flowing heat exchanging.
Lower uniform flow orifice A1 and low head 110 limit bottom water tank 150 jointly, bottom water tank 150 for accommodate go from
Sub- water, steam supply system include bottom water tank 150 and the steam generation electric heater 160 set on bottom water tank 150.
With reference to figure 3 and Fig. 4, containment analogue body 100 is equipped with multiple observation window G1~G7, be equipped at observation window video camera and
Light source is used for carrying out visual inspection to the condensation of tank interior.At least one of multiple observation windows are set to upper cover
130, it is at least multiple along the circumferential or axially spaced of can body 120 in multiple observation windows, with existing to the condensation of tank interior
As carrying out the observation to angle, for example, 120 upper edge height of can body and circumferentially have 6 observation window G1, G2, G3, G5, G6,
G7 sets 1 observation window G4 in upper cover 130.
As shown in Figure 1-Figure 3, the wall surface corresponding with experimental test region 140 of can body 120 is equipped with multiple axially spaced
The gaseous mass analyzer thief hole N9 opened, data collecting system include the gas sample tube being set in gaseous mass analyzer thief hole N9,
For testing gas componant and mass fraction in shell at test area different height, specifically, the wall in experimental test region 140
8 gaseous mass analyzers thief hole N9a, N9b, N9c, N9d, N9e, N9f, N9g, N9h, gas sample tube are provided at face from bottom to top
It is set as radially stretching, tests test area difference is radially located in shell gas componant and mass fraction.
With reference to figure 3 and Fig. 4, multiple interfaces, such as helium, compressed air are additionally provided at the wall surface of containment analogue body 100
Import N1, steam inlet N2, condensate liquid drain a mouthful N3, water supplement port N4, working medium accessing port N5, working medium outgoing interface N6, and safety valve connects
Mouth N7, air bleeding valve interface N8, gaseous mass analyzer thief hole N9a~h, top orifice N12, Thermocouple penetration piece interface N13, forceful electric power
Penetration piece interface N14, air bleeding valve interface N15, thermometer boss T1, T2, steam generation electric heater interface E1~E4, pressure gauge
Interface P1, interface of the level gauge L1, L2, inspection manhole M1, these interfaces are connected with corresponding device respectively.
In some preferred embodiments of the utility model, steam supply system may include built-in and external two
Kind.
With reference to figure 1 and Fig. 2, the bottom of containment analogue body 100 can be equipped with bottom water tank 150, and bottom water tank 150 is used for
Deionized water is accommodated, steam supply system includes bottom water tank 150 and the steam generation electric heater set on bottom water tank 150
160, steam generation electric heater 160 makes it generate steam for the deionized water of heated base water tank 150, and steam generation electricity adds
Hot device 160 can be it is multiple, and multiple steam generation electric heaters 160 are around the circumferentially spaced setting of bottom water tank 150,
For example the peripheral wall of bottom water tank 150 is set there are four evenly-spaced steam generation electric heater interface E1, E2, E3, E4, bottom
Water tank 150 is equipped with temperature point to detect the temperature of deionized water, and the work(of steam generation electric heater 160 is controlled according to temperature
The power controller of rate, temperature point and steam generation electric heater 160 is chain, and feedback temperature controls signal.Steam supply system
System includes small pump 601 and cyclic water tank 303, and cyclic water tank 303 is connected by small pump 601 with bottom water tank 150, bottom water
Case 150 is equipped with liquid level gauge, and liquid level gauge is used to detect the liquid level of bottom water tank 150 and is connected with small pump 601, and liquid level gauge can be
High temperature resistant magnetic double level gauge, liquid level gauge is for monitoring high water tank, it is ensured that steam generation electric heater 160 is prevented below liquid level
Only dry combustion method, while providing level-control signal for 601 automatic start-stop of small pump in TT＆C system.
With reference to figure 1 and Fig. 2, steam supply system can also include external steam boiler, and steam boiler can be that electricity adds
Hot steam boiler, and by steam supply pipeline, it is 1.25MPa, 2t/h that maximum pressure parameter can be filled into containment analogue body 100
The saturated vapor of flow.External steam boiler is used for the problem of preventing built-in steam generation 160 underpower of electric heater,
In actual use, built-in steam generation electric heater 160 can be individually opened according to demand or is individually opened outer
Steam boiler set, or both is opened together.
In some preferred embodiments of the utility model, with reference to figure 1- Fig. 3, heat exchanger tube testpieces 200 includes sequentially
Connected inducer 210, heat exchange test section 220 and outlet section 230, inducer 210 and outlet section 230 is adapted to and forced circulation
Circuit 300, natural convection loop 400 are connected to, and heat exchange test section 220 is located at the experimental test region in containment analogue body 100
In 140.Specifically, containment analogue body 100 is equipped with perforative working medium accessing port and working medium outgoing interface, and working medium accessing port passes through
Flange is connected with inducer 210, and working medium outgoing interface is connected by flange with outlet section 230, working medium accessing port and working medium outgoing interface
It is adapted to be connected to forced circulation circuit 300, natural convection loop 400, thus can facilitates and be dismounted, exchanges heat test section 220
It is connected with inducer 210 and outlet section 230 by flange.Thus it can facilitate and be dismounted.
As shown in figure 3, inducer 210 and outlet section 230 are disposed radially, the length of inducer 210 and outlet section 230
The inclination angle of the adjustable axis with change heat exchange test section 220 relative to containment analogue body 100.By adjusting 210 He of inducer
The length of outlet section 230 changes the inclination angle of heat exchange test section 220 and tank body central axis, can be used for studying differing tilt angles and changes
The condensing heat-exchange performance of Thermal test section 220.
Be coated with insulating layer outside inducer 210 and outlet section 230, it is to be understood that inducer 210 by working medium into
Interface is connected with extraneous pipeline, and outlet section 230 is connected by working medium outgoing interface with extraneous pipeline, inducer 210 and outlet section 230
Temperature receive ectocine it is larger, by be arranged insulating layer can prevent inducer 210 and outlet section 230 from being caused to environment in shell
Interference.
Data collecting system includes：Multigroup wall surface temperature detection device and multigroup ambient temperature detection device, multigroup wall surface
Temperature-detecting device is opened in the outside wall surface of heat exchange test section 220, multigroup environment temperature along the axially spaced-apart of heat exchange test section 220
Detection device is contour correspondingly in experimental test region 140 with multigroup wall surface temperature detection device, and multigroup environment
Temperature-detecting device and heat exchanger tube testpieces 200 are spaced radially apart.Every group of wall surface temperature detection device has multiple wall surface temperature
Detection device is spent, and along the circumferentially spaced of heat exchange test section 220, every group of ambient temperature detection device has multiple environment temperatures
Detection device, and along heat exchange test section 220 circumferentially around heat exchange test section 220.Contain incoagulability thus, it is possible to effectively be directed to
The saturated vapor of gas carries out data acquisition in the condensation heat transfer performance of heat exchanging pipe wall, and gathered data group number is more, convenient for subtracting
Small error, and the acquisition of data is not influenced when individual temperature-detecting devices damage.
The fixed link for fixed environment temperature-detecting device is equipped in containment analogue body 100, fixed link is surveyed with heat exchange
It is parallel to try section 220.Such as in experimental test region 140, two angles are arranged in parallel with along 200 axis direction of heat exchanger tube testpieces
Steel for the installation environment temperature-detecting device on different height direction, while also can be used as the branch of wall surface temperature detection device
Support member.
Wall surface temperature detection device and ambient temperature detection device are temperature thermocouple.Containment analogue body 100 is equipped with
The temperature thermocouple of Thermocouple penetration piece interface N13, containment analogue body 100 are pierced by by Thermocouple penetration piece interface N13
Containment analogue body 100 can reduce the hole digit of wall surface in this way.
For example, being arranged in equal spacing with thermocouple temperature measurement point in an axial direction in the outside wall surface of heat exchange test section 220, exchange heat test section
220 outside wall surface is equipped with groove, and wall surface temperature detection device is installed in groove, and groove is filled and led up by scolding tin, to ensure to survey
Warm precision simultaneously reduces the influence flowed to film condensation at wall surface to the greatest extent.
In some preferred embodiments of the utility model, as shown in Fig. 2, containment analogue body 100 is equipped with perforative
The both ends of working medium accessing port and working medium outgoing interface, heat exchanger tube testpieces 200 go out to connect with the inner end of working medium accessing port and working medium respectively
The inner end of mouth is connected, and natural convection loop 400 includes：Air cooler 401, air cooler 401 are placed in outside containment analogue body 100, and
The both ends of air cooler 401 are connected with the outer end of the outer end of working medium accessing port and working medium outgoing interface respectively.
Natural convection loop 400 is used for the passive guiding system of simulating Safety shell heat.The heat exchanger tube of air cooler 401 is not
Become rusty steel aluminum finned tube, and upper and lower four rows parallel arrangement connects with inlet and outlet distribution header respectively, and in inlet distributing header and each row
Tube bank joint is provided with switch valve, can select the heat exchanger tube number of rows amount for needing to connect according to the flow of cycle fluid.Air cooler
Two frequency conversion fans have been mounted side by side in 401 heat exchanger tubes row top, and certain driving air-flow is horizontal by the way of air inducing plunders heat exchange fin tube bank,
Wind turbine variable ratio frequency changer is run, and makes air quantity that variation can be adjusted in wide range.Square air channel is installed before and after air cooler 401,
Thermocouple is installed in a grid formation in the air duct that air cooler 401 is imported and exported, measures the average temperature of air-flow in inlet and outlet section
Degree；It is also equipped with hygronom in inlet and outlet air duct simultaneously, the relative humidity for measuring inlet and outlet air-flow.
As shown in Fig. 2, natural convection loop 400 includes：Stable-pressure device, stable-pressure device be connected in parallel air cooler 401 with
On pipeline between working medium accessing port.It is understood that natural convection loop 400 is closed circuit, in order in stable loop
Pressure, stable-pressure device may insure that the cycle fluid in circuit remains that liquid phase state, such as stable-pressure device include：Nitrogen
Bottle 402 and vacuum tank 403, nitrogen cylinder 402 are connected with vacuum tank 403, and vacuum tank 403 is connected in the outlet of air cooler 401 in parallel
On pipeline between end and the input end of heat exchanger tube testpieces 200.403 design pressure 1MPa of vacuum tank, top interface and nitrogen
Gas cylinder is connected, the pressure for improving cycle fluid in natural convection loop 400 by filling nitrogen into vacuum tank 403.Vacuum tank
403 are equipped with the measuring instruments such as magnetic double level gauge, temperature sensor, pressure sensor, and top is also equipped with safety valve in addition, prevent
Only pressure inside the tank transfinites.The different flows of selecting different types of the flow measurement of natural convection loop 400 according to cycle fluid
Meter, device of working medium use high-precision electromagnetic flowmeter, freon working medium to use mass flowmenter.It should be noted that in nature
When the cycle fluid of circulation loop 400 is freon, stable-pressure device can not also be set.
In some preferred embodiments of the utility model, as shown in Figure 1, containment analogue body 100 is equipped with perforative
The both ends of working medium accessing port and working medium outgoing interface, heat exchanger tube testpieces 200 go out to connect with the inner end of working medium accessing port and working medium respectively
The inner end of mouth is connected, and forced circulation circuit 300 includes being sequentially connected：Cooler 301, cyclic water tank 303, water circulating pump 304,
Working medium preheater 305, cooler 301 are connected with the outer end of working medium outgoing interface away from one end of cyclic water tank 303, working medium preheating
Device 305 is connected away from one end of water circulating pump 304 with the outer end of working medium accessing port.
Cyclic water tank 303 is a cylindrical Stainless steel pressure vessels, and the bottom of design pressure 1MPa, cyclic water tank 303 are set
Electric heater for the cycle fluid in preheating water tank, and can automatically adjust heating power by the temperature sensor in water tank.
Compressed air interface is arranged at 303 top of cyclic water tank, and is optionally connected to compressed air supply system, by electricity
Dynamic switch valve controls the air inflow of compressed air according to 303 pressure value of preset cyclic water tank.
Further include on cyclic water tank 303 water circulating pump interface, 601 interface of small pump, cycle fluid refluxing opening, exhaust outlet,
The attachmentes such as safety valve, magnetic double level gauge.
Water circulating pump 304 includes water pump 304a, 304b that two power are different and are connected in parallel, two water pump 304a,
304b is optionally opened, and can meet the operating condition of test demand of wide range changes in flow rate.Two circulation-water pump electric machines are
Variable-frequency motor, manually adjustable frequency converter change motor speed and realize flow-rate adjustment；Also stream can be preset by TT＆C system
Amount realizes the automatic adjustment of circuit working medium flow by the mass flow meter measurement value feedback regulation frequency converter in circuit.
Working medium preheater 305 can be reached to being preheated into the cycle fluid before inner-heating tube testpieces 200
The inlet temperature that measurement condition requires, the temperature sensor in 305 exit of working medium preheater can be automatic according to preset temperature value
Adjust the size of electrical heating power.
Cycle fluid flows out after the heat absorption of heat exchanger tube testpieces 200, is cooled down into cooler 301.Cooler form
Similar with water circulating pump 304 for plate heat exchanger, cooler 301 has also been arranged in parallel size two 301a, 301b, according to following
The cooler that the size of ring working medium flow is suitble to by electric T-shaped valve Auto-matching.Experimental rig further includes circulating cooling water system
System, recirculating cooling water system is connected with cooler, and recirculating cooling water system is from the recirculated cooling water for testing workshop offer, from following
The heat that ring working medium absorbs finally is arranged from the air cooling tower outside workshop to atmospheric environment.
Containment analogue body 100 is equipped with perforative working medium accessing port and working medium outgoing interface, the both ends of heat exchanger tube testpieces 200
It is connected respectively with the inner end of the inner end of working medium accessing port and working medium outgoing interface, natural convection loop 400 and forced circulation circuit 300
Same section of heat exchanger tube testpieces 200 is shared, switch valve, natural convection loop are equipped with outside working medium accessing port and working medium outgoing interface
400 are connected by switch valve with working medium accessing port, working medium outgoing interface with forced circulation circuit 300, it can be ensured that two are returned
Road independent operating.The compact in design of experimental rig in this way.
According to the experimental rig of the utility model embodiment, can also include：Freon working medium filling system, freon work
Matter filling system includes vacuum molecular pump, freon storage tank and valve group pipeline.Natural convection loop 400 fills freon working medium
When, pipeline is purged first with compressed air, it is ensured that dry free from admixture in pipeline；Subsequent start-up vacuum molecular pump, it is right
Natural Circulation pipeline vacuumizes, and when pipeline inner pressure reaches 10Pa, connects freon storage tank, opens valve group and is filled into pipeline
Freon working medium.
Power supply system provides for equipment such as electric heating equipment, pump, electrically operated valve, observing and controlling and data actuations in experimental rig
Power supply, wherein electric heater can be carried out power regulation by controllable silicon power regulator, and observing and controlling and data actuation optional equipment are uninterruptedly electric
Source UPS prevents test data from can not be preserved in accidental power failure.Every equipment is respectively provided with independent current source switch, power distribution cabinet setting
Always it is spaced apart, degree of protection is not less than IP32.Data collecting system is divided into two classes, measuring signal (such as thermocouple, heat of experimental rig
Resistance, pressure sensor, flowmeter etc.) and the control signal of electrically operated valve access PLC TT＆C systems, and in containment analogue body
Temperature measurement signal all access NI data actuations.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (39)
1. a kind of experimental rig for the passive guiding system of containment heat, which is characterized in that including：
Containment analogue body；
Compressed air supply system, the compressed air supply system are connected with the containment analogue body；
Helium supply system, the helium supply system are connected with the containment analogue body；
Steam supply system, the steam supply system are connected with the containment analogue body；
Heat exchanger tube testpieces, the heat exchanger tube testpieces are placed in the containment analogue body；
Forced circulation circuit, the forced circulation circuit are connected to form active heat derives with the heat exchanger tube testpieces and recycle；
Natural convection loop, the natural convection loop are connected to form passive heat derives with the heat exchanger tube testpieces and follow
Ring, the forced circulation circuit and the natural convection loop optionally work；
Data collecting system, the data collecting system are returned for acquiring in the containment analogue body with the forced circulation
Parameter on road, the natural convection loop.
2. the experimental rig according to claim 1 for the passive guiding system of containment heat, which is characterized in that institute
It includes the inducer being sequentially connected, heat exchange test section and outlet section, the inducer and the outlet section to state heat exchanger tube testpieces
It is adapted to be connected to the forced circulation circuit, the natural convection loop, the heat exchange test section is located at the safe shell mold
In quasi- internal experimental test region.
3. the experimental rig according to claim 2 for the passive guiding system of containment heat, which is characterized in that institute
Stating data collecting system includes：Multigroup wall surface temperature detection device and multigroup ambient temperature detection device, multigroup wall surface temperature
Degree detection device is opened in the outside wall surface of the heat exchange test section, multigroup environment along the axially spaced-apart of the heat exchange test section
Temperature-detecting device is contour correspondingly in the experimental test region with multigroup wall surface temperature detection device, and
It is spaced radially apart with the heat exchanger tube testpieces.
4. the experimental rig according to claim 3 for the passive guiding system of containment heat, which is characterized in that every
The group wall surface temperature detection device has multiple wall surface temperature detection devices, and between the circumferential direction of the heat exchange test section
It separates, ambient temperature detection device described in every group has multiple ambient temperature detection devices, and along the heat exchange test section
Circumferentially around the heat exchange test section.
5. the experimental rig according to claim 3 for the passive guiding system of containment heat, which is characterized in that institute
State the fixed link being equipped in containment analogue body for fixing the ambient temperature detection device, the fixed link and the heat exchange
Test section is parallel.
6. the experimental rig according to claim 3 for the passive guiding system of containment heat, which is characterized in that institute
The outside wall surface for stating heat exchange test section is equipped with groove, and the wall surface temperature detection device is installed in the groove, and the groove
It is filled and led up by scolding tin.
7. the experimental rig according to claim 3 for the passive guiding system of containment heat, which is characterized in that institute
It is temperature thermocouple to state wall surface temperature detection device and the ambient temperature detection device.
8. the experimental rig according to claim 7 for the passive guiding system of containment heat, which is characterized in that institute
It states containment analogue body and is equipped with Thermocouple penetration piece interface, the temperature thermocouple of the containment analogue body passes through the thermoelectricity
Even penetration piece interface is pierced by the containment analogue body.
9. the experimental rig according to claim 2 for the passive guiding system of containment heat, which is characterized in that institute
It states inducer and the outlet section is disposed radially.
10. the experimental rig according to claim 2 for the passive guiding system of containment heat, which is characterized in that
It is coated with insulating layer outside the inducer and the outlet section.
11. the experimental rig according to claim 2 for the passive guiding system of containment heat, which is characterized in that
The length of the inducer and the outlet section is adjustable to change the heat exchange test section relative to the containment analogue body
The inclination angle of axis.
12. the experimental rig according to claim 2 for the passive guiding system of containment heat, which is characterized in that
The heat exchange test section is connected by flange with the inducer and the outlet section.
13. the experimental rig according to claim 2 for the passive guiding system of containment heat, which is characterized in that
The containment analogue body is equipped with perforative working medium accessing port and working medium outgoing interface, and the working medium accessing port passes through flange and institute
It states inducer to be connected, the working medium outgoing interface is connected by flange with the outlet section.
14. the experimental rig for the passive guiding system of containment heat according to any one of claim 1-13,
It is characterized in that, the containment analogue body includes the cylindrical tank main body of both ends open and closes the upper of the can body upper end
At least part of end socket and the low head of the closing can body lower end, the can body forms experimental test region, described
Heat exchanger tube testpieces is placed in the experimental test region.
15. the experimental rig according to claim 14 for the passive guiding system of containment heat, which is characterized in that
Be equipped with upper uniform flow orifice and lower uniform flow orifice in the containment analogue body, the upper uniform flow orifice and the lower uniform flow orifice it
Between form the experimental test region, the heat exchanger tube testpieces is set to the experimental test region, the compressed air supply
The gas of system, the helium supply system and steam supply system supply is respectively by the upper uniform flow orifice, described
Lower uniform flow orifice enters the experimental test region.
16. the experimental rig according to claim 15 for the passive guiding system of containment heat, which is characterized in that
The upper uniform flow orifice and the lower uniform flow orifice are detachable.
17. the experimental rig according to claim 16 for the passive guiding system of containment heat, which is characterized in that
The upper uniform flow orifice and the lower uniform flow orifice are that polylith is articulated with the fanning strip of the cylindrical tank main body and is spliced.
18. the experimental rig according to claim 15 for the passive guiding system of containment heat, which is characterized in that
The lower uniform flow orifice limits bottom water tank jointly with the low head, and the bottom water tank is for accommodating deionized water, institute
It includes the bottom water tank and the steam generation electric heater set on the bottom water tank to state steam supply system.
19. the experimental rig according to claim 18 for the passive guiding system of containment heat, which is characterized in that
The bottom water tank is equipped with temperature point to detect the temperature of deionized water, and controls the steam generation electricity according to the temperature
Heater.
20. the experimental rig according to claim 18 for the passive guiding system of containment heat, which is characterized in that
The steam supply system includes small pump and cyclic water tank, and the cyclic water tank passes through the small pump and the bottom water tank
It is connected.
21. the experimental rig according to claim 20 for the passive guiding system of containment heat, which is characterized in that
The bottom water tank be equipped with liquid level gauge, the liquid level gauge be used for detect the bottom water tank liquid level and with the small pump phase
Even.
22. the experimental rig according to claim 14 for the passive guiding system of containment heat, which is characterized in that
The containment analogue body includes insulating layer and epidermis stainless steel layer.
23. the experimental rig according to claim 14 for the passive guiding system of containment heat, which is characterized in that
The containment analogue body is equipped with multiple observation windows, and video camera and light source are equipped at the observation window.
24. the experimental rig according to claim 23 for the passive guiding system of containment heat, which is characterized in that
At least one of multiple described observation windows are set to the upper cover, at least multiple along the tank master in multiple observation windows
Body it is circumferential or axially spaced.
25. the experimental rig according to claim 14 for the passive guiding system of containment heat, which is characterized in that
Can body wall surface corresponding with the experimental test region is equipped with multiple axially spaced gaseous mass analyzer thief holes,
The data collecting system includes the gas sample tube being set in the gaseous mass analyzer thief hole.
26. the experimental rig according to claim 25 for the passive guiding system of containment heat, which is characterized in that
The gas sample tube is set as radially stretching.
27. the experimental rig for the passive guiding system of containment heat according to any one of claim 1-13,
It is characterized in that, the containment analogue body is equipped with perforative working medium accessing port and working medium outgoing interface, the heat exchanger tube testpieces
Both ends be connected respectively with the inner end of the inner end of the working medium accessing port and the working medium outgoing interface, the natural convection loop packet
It includes：Air cooler, the air cooler are placed in outside the containment analogue body, and the both ends of the air cooler respectively with the working medium into
The outer end of interface is connected with the outer end of the working medium outgoing interface.
28. the experimental rig according to claim 27 for the passive guiding system of containment heat, which is characterized in that
The natural convection loop includes：Stable-pressure device, the stable-pressure device are connected in the air cooler and the working medium in parallel into connecing
On pipeline between mouthful.
29. the experimental rig according to claim 28 for the passive guiding system of containment heat, which is characterized in that
The stable-pressure device includes：Nitrogen cylinder and vacuum tank, the nitrogen cylinder are connected with the vacuum tank, and the vacuum tank is connected in parallel
On pipeline between the outlet end of the air cooler and the input end of the heat exchanger tube testpieces.
30. the experimental rig for the passive guiding system of containment heat according to any one of claim 1-13,
It is characterized in that, the containment analogue body is equipped with perforative working medium accessing port and working medium outgoing interface, the heat exchanger tube testpieces
Both ends be connected respectively with the inner end of the inner end of the working medium accessing port and the working medium outgoing interface, forced circulation circuit packet
It includes and is sequentially connected：Cooler, cyclic water tank, water circulating pump, working medium preheater, the cooler deviate from the cyclic water tank
One end be connected with the outer end of the working medium outgoing interface, the working medium preheater away from one end of the water circulating pump with it is described
The outer end of working medium accessing port is connected.
31. the experimental rig according to claim 30 for the passive guiding system of containment heat, which is characterized in that
The water circulating pump includes the water pump that two power are different and are connected in parallel, and two water pumps are optionally opened.
32. the experimental rig according to claim 30 for the passive guiding system of containment heat, which is characterized in that
The bottom of the cyclic water tank sets electric heater.
33. the experimental rig according to claim 30 for the passive guiding system of containment heat, which is characterized in that
There is compressed air interface at the top of the cyclic water tank, and is optionally connected to the compressed air supply system.
34. the experimental rig according to claim 30 for the passive guiding system of containment heat, which is characterized in that
The cooler includes the cooler that two power are different and are connected in parallel, and two coolers are optionally opened.
35. the experimental rig according to claim 30 for the passive guiding system of containment heat, which is characterized in that
Further include recirculating cooling water system, the recirculating cooling water system is connected with the cooler.
36. the experimental rig for the passive guiding system of containment heat according to any one of claim 1-13,
It is characterized in that, the containment analogue body is equipped with perforative working medium accessing port and working medium outgoing interface, the heat exchanger tube testpieces
Both ends be connected respectively with the inner end of the inner end of the working medium accessing port and the working medium outgoing interface, the natural convection loop with
The forced circulation circuit shares the same section of heat exchanger tube testpieces, equal outside the working medium accessing port and the working medium outgoing interface
Equipped with switch valve, the natural convection loop and the forced circulation circuit by the switch valve and the working medium into
Interface, the working medium outgoing interface are connected.
37. the experimental rig for the passive guiding system of containment heat according to any one of claim 1-13,
It is characterized in that, the compressed air supply system includes air compressor machine, compressed air reservoir and gas preheater connected in sequence.
38. the experimental rig for the passive guiding system of containment heat according to any one of claim 1-13,
It is characterized in that, the helium supply system includes helium tank group and helium leakage alarm.
39. the experimental rig for the passive guiding system of containment heat according to any one of claim 1-13,
The steam supply system includes external steam boiler.
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| CN201721635507.XU CN207637503U (en) | 2017-11-29 | 2017-11-29 | Experimental rig for the passive guiding system of containment heat |
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|---|---|---|---|
| CN201721635507.XU CN207637503U (en) | 2017-11-29 | 2017-11-29 | Experimental rig for the passive guiding system of containment heat |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109520915A (en) * | 2018-12-10 | 2019-03-26 | 哈尔滨工程大学 | A kind of low height difference Natural Circulation experimental rig of low pressure |
| CN109841289A (en) * | 2017-11-29 | 2019-06-04 | 国家电投集团科学技术研究院有限公司 | Experimental rig for the passive guiding system of containment heat |
| CN110783006A (en) * | 2019-11-20 | 2020-02-11 | 中国核动力研究设计院 | Degassing test device and method |
| CN113092145A (en) * | 2021-02-26 | 2021-07-09 | 北京空间飞行器总体设计部 | Lunar surface working medium emission equivalent test device and method |
| CN113436761A (en) * | 2021-06-24 | 2021-09-24 | 中国舰船研究设计中心 | Passive containment cooling test system |
| US20220205630A1 (en) * | 2020-12-30 | 2022-06-30 | Xi'an Jiaotong University | Test Loop for Simulating Steam Generator with or without Axial Economizer and Test Method Thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841289A (en) * | 2017-11-29 | 2019-06-04 | 国家电投集团科学技术研究院有限公司 | Experimental rig for the passive guiding system of containment heat |
| CN109520915A (en) * | 2018-12-10 | 2019-03-26 | 哈尔滨工程大学 | A kind of low height difference Natural Circulation experimental rig of low pressure |
| CN109520915B (en) * | 2018-12-10 | 2021-09-10 | 哈尔滨工程大学 | Low-pressure low-altitude difference natural circulation test device |
| CN110783006A (en) * | 2019-11-20 | 2020-02-11 | 中国核动力研究设计院 | Degassing test device and method |
| CN110783006B (en) * | 2019-11-20 | 2021-03-26 | 中国核动力研究设计院 | Degassing test device and method |
| US20220205630A1 (en) * | 2020-12-30 | 2022-06-30 | Xi'an Jiaotong University | Test Loop for Simulating Steam Generator with or without Axial Economizer and Test Method Thereof |
| US11754281B2 (en) * | 2020-12-30 | 2023-09-12 | Xi'an Jiaotong University | Test loop for simulating steam generator with or without axial economizer and test method thereof |
| CN113092145A (en) * | 2021-02-26 | 2021-07-09 | 北京空间飞行器总体设计部 | Lunar surface working medium emission equivalent test device and method |
| CN113436761A (en) * | 2021-06-24 | 2021-09-24 | 中国舰船研究设计中心 | Passive containment cooling test system |
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