CN109557124A - A kind of pneumatic visualization device of crash-proof fuel rod quenching experiment - Google Patents
A kind of pneumatic visualization device of crash-proof fuel rod quenching experiment Download PDFInfo
- Publication number
- CN109557124A CN109557124A CN201910053034.XA CN201910053034A CN109557124A CN 109557124 A CN109557124 A CN 109557124A CN 201910053034 A CN201910053034 A CN 201910053034A CN 109557124 A CN109557124 A CN 109557124A
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- China
- Prior art keywords
- pneumatic
- crash
- fuel rod
- tested
- visualization device
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention discloses a kind of quenchings of crash-proof fuel rod to test pneumatic visualization device, it is related to nuclear power quenching experiment visualization field, including cistern system, high temperature furnace system, pneumatic actuating device and acquisition system, the cistern system, the high temperature furnace system and the pneumatic actuating device are sequentially connected with, and test section is connect with the cylinder by connecting tube.The device that the experiment of water is inserted under heat run section has been built in present invention design, using pneumatic actuating device, is substituted motor driven systems, is realized temperature acquisition data and high-speed camera synchro measure.
Description
Technical field
Experiment visualization field is quenched the present invention relates to nuclear power more particularly to a kind of quenching experiment of crash-proof fuel rod is pneumatic
Visualization device.
Background technique
Nuclear reactor will start safety injection system toward filling the water in reactor, in the mistake for taking away reactor core heat after LOCA accident occurs
Cheng Zhong is related to complicated two-phase heat transfer mechanism, and may cause fuel rod and burn and lead to more serious accident, therefore this is multiple
Miscellaneous physical phenomenon is an important research object in current security study field in the world.
There are mainly two types of experimental methods for existing quenching experiment, one is certain temperature is reached by heat run section, so
After inject cooling water, acquire the temperature curve of test section, and visualization measurement carried out by high speed camera to study quenching phenomenon,
Since bringing-up section is usually opaque, certain difficulty is brought to visualization measurement；Another kind is by driving heating examination
It tests in section insertion cooling water and carries out quenching experiment, this method generallys use motor driven heat run section, due under Heating Experiment
The time for being inserted into cooling water is very of short duration (1-2s), causes the start and stop of motor not easy to operate, it is difficult to accurately control its stroke.
Therefore, those skilled in the art is dedicated to developing a kind of visual makeup using pneumatic actuation heat run section
It sets, the variation of test section surface temperature is recorded by thermocouple, while triggering the quenching row on high speed camera record heating rod surface
For to better understand the device of the quenching phenomenon of test section.
Summary of the invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to current quenching experimental tests
Duan Hangcheng control is inaccurate and visualized data acquisition is asynchronous with temperature data acquisition.
To achieve the above object, the present invention provides a kind of quenchings of crash-proof fuel rod to test pneumatic visualization device, packet
Include cistern system, high temperature furnace system, pneumatic actuating device and acquisition system, wherein the cistern system includes heating device,
One temperature sensor and the cabinet made of high temperature resistant translucent material, the high temperature furnace system include quartz ampoule, burner hearth, heating unit
Part, stove shell, stove fixed plate and active blade, the pneumatic actuating device include cylinder, power supply, solenoid valve, pressure regulator valve,
Limiter, relay and switch, the acquisition system include temperature acquisition system and high speed video system；The cistern system,
The high temperature furnace system and the pneumatic actuating device are sequentially connected with, and test section is connect with the cylinder by connecting tube.
Further, the high temperature resistant translucent material of the cistern system uses quartz glass, and four sides is all visual
Change form, first temperature sensor is arranged in the cistern system.
Further, the heating element of the high temperature furnace uses high duty alloy silk 0Cr27Al7Mo2.
Further, the burner hearth of the high temperature furnace uses the quality oxide aluminium polycrystalline fibre system of vacuum adsorption molding
At.
Further, the active blade of the high temperature furnace is located at the high temperature furnace bottom.
Further, the cylinder of the pneumatic actuating device matches cast cylinder using concentration.
Further, the underthrust speed of test section described in speed control of the pressure regulator valve by change air-flow.
Further, the acquisition system triggers the high-speed camera system by way of analog input card output voltage signal
System and the temperature acquisition system start simultaneously at work.
Further, second temperature sensor is provided in the test section, the second temperature sensor selects thermoelectricity
Even, the compensating wire of the thermocouple is connected to the acquisition system by the connecting tube, and the connecting tube selects stainless steel
Material.
Further, first temperature sensor selects K-type thermocouple.
In better embodiment of the invention, pneumatic actuation visualization device can accurately control to be inserted under test section
The stroke of cooling water, and temperature and video data acquire simultaneously, experimental precision with higher.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the experimental provision overall schematic of a preferred embodiment of the invention；
Fig. 2 is the high temperature furnace schematic diagram of a preferred embodiment of the invention；
Fig. 3 is the water tank schematic diagram of a preferred embodiment of the invention；
Fig. 4 is the connecting tube schematic diagram of a preferred embodiment of the invention；
Fig. 5 is the aluminium block main view of a preferred embodiment of the invention；
Fig. 6 is the aluminium block left view of a preferred embodiment of the invention.
Wherein, 1- gas, 2- cylinder, 3- high temperature furnace, 4- water tank, 301- quartz ampoule, 302- burner hearth, 303- stove shell,
304- stove fixed plate, 305- active blade, 401- electric heating tube, 5- thermocouple outlet hole, 6- connecting tube, 7- aluminium block, 701-
Connect pipe thread hole, 702- sliding block threaded hole.
Specific embodiment
Multiple preferred embodiments of the invention are introduced below with reference to Figure of description, keep its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and there is no limit by the present invention
The size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
As shown in Figure 1, the experimental provision in this implementation includes water tank 4, high temperature furnace 3, cylinder 2, acquisition device, wherein water
Case 4, high temperature furnace 3 and cylinder 2 are sequentially connected with from bottom to top, and test section is connect with cylinder 2 by connecting tube 6 and aluminium block 7, acquisition dress
Set temperature sensor (not shown) and high speed camera (not shown) including being arranged in test section.Cylinder 2 uses
It concentrates and matches cast cylinder, power source is used as using gas 1, stroke 600mm connects 24V power supply, solenoid valve, pressure regulator valve, limit
Device, relay and switch realize adjustable stroke and remote operation, and can change the speed of air-flow by adjusting pressure regulator valve
The underthrust speed of Control experiment section.Test section is driven using cylinder 2, realizes the moment behaviour for being inserted into water and stopping under test section
Make, by adjusting the parameter of cylinder 2, the stroke and underthrust speed of adjustable test section are easily operated, and can accurately control
The stroke of test section.
As shown in Fig. 2, high temperature furnace 3 be vertical tubular furnace, maximum temperature up to 1000 DEG C, by quartz ampoule 301, burner hearth 302,
Stove shell 303, stove fixed plate 304 and active blade 305 form, and heating element uses high duty alloy silk 0Cr27Al7Mo2,
Have the characteristics that surface loading is high, resistivity is high, antioxygenic property is good, for maximum temperature up to 1200 DEG C, burner hearth 302 uses vacuum
The quality oxide aluminium polycrystalline fibre of adsorption forming is made, and heat insulation effect is good, and boiler tube uses the quartz ampoule 301 of diameter 40, heat-resisting temperature
Degree is high, and can bear the temperature change of suddenly cold and hot, and 3 bottom of high temperature furnace is equipped with active blade 305, closes a side when heated
Face can reduce the dissipation of 3 heat of high temperature furnace, and 3 lower section vapor of high temperature furnace on the other hand can be prevented to enter burner hearth 302 and test
Section and heating element contact.It is worth noting that, the effect of high temperature furnace 3 is to heat to test section, but be not only limited to
Which, other heating equipments that test section can be heated to high temperature can be met the requirements, such as arrangement adds in test section
The direct-fired mode such as heated filament or heating rod.
As shown in figure 3, the cabinet of water tank 4 is made of the quartz glass of 300*300*300, it can be 1200 DEG C of high temperature resistant, and
Four sides is all visualization form, and translucency is good.Using quartz glass, be because it is with good translucency and heat-resisting quantity,
It takes pictures convenient for high speed camera, it can also the material replacement good and resistant to high temperature using other translucency.K-type thermoelectricity is disposed in water tank
It is even, for monitoring the temperature of cooling water.When experiment carries out, cooling water can be heated by immersing electric heating tube 401, it is real when reaching
Electric heating tube 401 is removed when testing set temperature again.The heating method of water tank 4 can also be carried out using other heating methods, as between
Heating method etc. is connect, is not only limited to using electric heating tube 401.
As shown in figure 4, connecting tube 6 selects stainless steel material, test section and cylinder 2 are connected, convenient for driving test
Water tank 4 is inserted under section.Temperature sensor in test section uses thermocouple, and compensating wire passes through in stainless steel connecting tube 6
Thermocouple outlet hole 5 is connected to acquisition system, can protect compensating wire overheat and burns.After being inserted into cooling water under test section, no
Rust steel connecting tube 6 rests in high temperature furnace together with compensating wire part, and the compensating wire length of thermocouple guarantees thermoelectricity up to 1 meter
Even compensating wire will not be burnt out.Connecting tube 6 is connected on the sliding block of cylinder 2 by aluminium block 7.
As shown in Figure 5 and Figure 6, the side of aluminium block 7 is provided with connection pipe thread hole 701, for carrying out screw thread with connecting tube 6
Connection.Sliding block threaded hole 702 is additionally provided on aluminium block 7, for being fixedly connected with the sliding block of cylinder 2 by soket head cap screw.It is real
Test section, connecting tube 6, aluminium block 7 and cylinder 2 are connected through a screw thread before testing beginning, test section is then placed on height
In warm furnace.
When experiment starts, first sets the heating speed of high temperature furnace 3 and target temperature and start heating, while in water tank 4
In be put into immersion electric heating tube 401 or reach the heating device of same effect using other, start acquisition system monitoring test
The temperature of section and the degree of supercooling of cooling water.When the temperature of the degree of supercooling of cooling water and test section reaches set temperature, stop
Electric heating tube 401 is heated and is taken out from water tank, and starting cylinder 2 will be inserted into cooling water under test section and carry out quenching experiment, and
The acquisition of test section electric thermo-couple temperature and the visualization measurement of high speed camera are triggered simultaneously.Data are saved after the completion of experiment, so
High temperature furnace and high speed camera are closed afterwards.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
Claims (10)
1. pneumatic visualization device is tested in a kind of crash-proof fuel rod quenching, which is characterized in that including cistern system, high temperature furnace system
System, pneumatic actuating device and acquisition system, wherein the cistern system includes heating device, the first temperature sensor and by resistance to
Cabinet made of high temperature translucent material, the high temperature furnace system include that quartz ampoule, burner hearth, heating element, stove shell, stove are solid
Fixed board and active blade, the pneumatic actuating device include cylinder, power supply, solenoid valve, pressure regulator valve, limiter, relay and are opened
It closes, the acquisition system includes temperature acquisition system and high speed video system；The cistern system, the high temperature furnace system and institute
It states pneumatic actuating device to be sequentially connected with, test section is connect with the cylinder by connecting tube.
2. pneumatic visualization device is tested in crash-proof fuel rod quenching as described in claim 1, which is characterized in that the resistance to height
Warm translucent material uses quartz glass, and four sides is all visualization form, and first temperature sensor is arranged in the water tank
In system.
3. pneumatic visualization device is tested in crash-proof fuel rod quenching as described in claim 1, which is characterized in that the heating
Element uses high duty alloy silk 0Cr27Al7Mo2.
4. pneumatic visualization device is tested in crash-proof fuel rod quenching as described in claim 1, which is characterized in that the burner hearth
It is made of the quality oxide aluminium polycrystalline fibre of vacuum adsorption molding.
5. pneumatic visualization device is tested in crash-proof fuel rod quenching as described in claim 1, which is characterized in that the activity
Baffle is located at the high temperature furnace bottom.
6. pneumatic visualization device is tested in crash-proof fuel rod quenching as described in claim 1, which is characterized in that the cylinder
Match cast cylinder using concentrating.
7. pneumatic visualization device is tested in crash-proof fuel rod quenching as described in claim 1, which is characterized in that the pressure regulation
The underthrust speed of test section described in speed control of the valve by change air-flow.
8. pneumatic visualization device is tested in crash-proof fuel rod quenching as described in claim 1, which is characterized in that the acquisition
System triggers the high speed video system and the temperature acquisition system simultaneously by way of analog input card output voltage signal
It starts to work.
9. pneumatic visualization device is tested in crash-proof fuel rod quenching as described in claim 1, which is characterized in that the test
Second temperature sensor is provided in section, the second temperature sensor selects thermocouple, and the compensating wire of the thermocouple is logical
It crosses the connecting tube and is connected to the acquisition system, the connecting tube selects stainless steel material.
10. pneumatic visualization device is tested in crash-proof fuel rod as claimed in claim 2 quenching, which is characterized in that described the
One temperature sensor selects K-type thermocouple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910053034.XA CN109557124A (en) | 2019-01-21 | 2019-01-21 | A kind of pneumatic visualization device of crash-proof fuel rod quenching experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910053034.XA CN109557124A (en) | 2019-01-21 | 2019-01-21 | A kind of pneumatic visualization device of crash-proof fuel rod quenching experiment |
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| Publication Number | Publication Date |
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| CN109557124A true CN109557124A (en) | 2019-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910053034.XA Pending CN109557124A (en) | 2019-01-21 | 2019-01-21 | A kind of pneumatic visualization device of crash-proof fuel rod quenching experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115718060A (en) * | 2022-11-21 | 2023-02-28 | 上海交通大学 | Experimental device for high-temperature quenching heat exchange and high-temperature steam oxidation of cladding material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796970A (en) * | 2004-12-23 | 2006-07-05 | 中国科学院金属研究所 | Thermal fatigue tester |
| CN103234845A (en) * | 2013-04-25 | 2013-08-07 | 武汉源锦建材科技有限公司 | Automatic impact-resistant experiment instrument for concrete and mortar |
| CN108492897A (en) * | 2018-05-08 | 2018-09-04 | 西安交通大学 | A kind of visual experimental apparatus of research nuclear reactor fuel rod pre-arcing characterisitics |
-
2019
- 2019-01-21 CN CN201910053034.XA patent/CN109557124A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1796970A (en) * | 2004-12-23 | 2006-07-05 | 中国科学院金属研究所 | Thermal fatigue tester |
| CN103234845A (en) * | 2013-04-25 | 2013-08-07 | 武汉源锦建材科技有限公司 | Automatic impact-resistant experiment instrument for concrete and mortar |
| CN108492897A (en) * | 2018-05-08 | 2018-09-04 | 西安交通大学 | A kind of visual experimental apparatus of research nuclear reactor fuel rod pre-arcing characterisitics |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115718060A (en) * | 2022-11-21 | 2023-02-28 | 上海交通大学 | Experimental device for high-temperature quenching heat exchange and high-temperature steam oxidation of cladding material |
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Application publication date: 20190402 |
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