CN205981731U - Ventilation cooling test bench - Google Patents
Ventilation cooling test bench Download PDFInfo
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- CN205981731U CN205981731U CN201620821242.1U CN201620821242U CN205981731U CN 205981731 U CN205981731 U CN 205981731U CN 201620821242 U CN201620821242 U CN 201620821242U CN 205981731 U CN205981731 U CN 205981731U
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Abstract
The utility model discloses a ventilation cooling test bench, including supporting bucket, experimental exemplar, thermal -insulated end cover, heat preservation device, heating device, air feed exhaust system, ventilation cooling system and test system, experimental exemplar top is equipped with sealed lid, and the heat preservation device is for fixing the insulating wall on supporting the bucket lateral wall, heating device is including fixing the primary heater that is supporting barrel head portion and fixing the secondary heater that is supporting between bucket outer wall and the insulating wall, air feed exhaust system includes that the air feed is irritated, relief pressure valve on the air supply pipe of air supply pipe, vacuum pump, vacuum tube, blast pipe, setting, set up voltage limiting valve and the first ball valve on vacuum tube and set up the second ball valve on the blast pipe, ventilation cooling exhaust system includes the exhaust fan, advances cool air hose and exhaust column, measurement system includes that temperature sensor, pressure sensor, amount of wind tester and a gas lets out the leakage quantity monitor. The utility model discloses the ventilation cooling that can realize complicated high temperature environment's main equipment is experimental.
Description
Technical field
This utility model is related to a kind of assay device, more particularly, to a kind of ventilation and heat test-bed.
Background technology
With the development of industrial technology, product quality is increasingly taken seriously.Also complexity all the more is many for the applied environment of equipment
Sample.The environment of the comprehensive functions such as high temperature, thermal convection current, heat radiation can be in for some heavy mechanical equipments, therefore accurately warm
Degree field distribution becomes the key factor of impact equipment performance analysis.
At present using CFD analysis more than the acquisition in temperature field, and for the temperature that there is convection current in the CFD analysis software of routine
There is larger uncertainty in field computation, the computing module that analysis adopts is different.Therefore for large-scale and important part
The solution of thermo parameters method be primarily present following difficulty：
1) it is difficult to obtain accurate input condition.
2) photothermal calculating is complicated and immature.
3) thermal convection current model is more and the scope of application does not know.
4) border thermal convection current is complicated
5) theoretical analysis and calculation model load, is related to stream, solid, hot THM coupling analysis, and analysis assumed condition is more, calculates
Low precision.
The accuracy of the uncertain mechanical analyses result directly causing structure in temperature field, final impact is commented to equipment complex
The accuracy estimated.Therefore the main equipment being under complicated hot environment is necessary to test by special ventilation and heat and obtains
The thermo parameters method of equipment.
Utility model content
This utility model is in order to solve defect and deficiency present in above-mentioned prior art, there is provided one kind is capable of multiple
The ventilation and heat test-bed of the ventilation and heat test of the main equipment of miscellaneous hot environment.
The technical solution of the utility model：A kind of ventilation and heat test-bed, including barrel support, is arranged in barrel support
Test exemplar, the heat-insulated end cap being fixed on test exemplar top, the attemperator being arranged on outside barrel support, heater, supply
Gas extraction system, aeration radiation system and measuring system,
Described test exemplar top is provided with closure,
Described attemperator is the heat insulation wall being fixed on barrel support lateral wall；
Described heater includes being fixed on the primary heater supporting bottom of the barrel and is fixed on barrel support outer wall and insulation
Secondary heater between wall；
Described supply gas extraction system includes supplying filling, air supply pipe, vacuum pump, vacuum-pumping tube, exhaustor, is arranged on air supply pipe
On air relief valve, the pressure limiting valve being arranged on vacuum-pumping tube and the first ball valve and be arranged on the second ball valve on exhaustor；
Described ventilation and heat gas extraction system includes exhaust blower, enters cool air hose and exhaust column；
Described measuring system includes temperature sensor, pressure transducer, wind quantity test instrument and a quantity of gas leakage prison
Survey instrument.
Heat insulation wall of the present utility model coordinates barrel support to form the test space of closing, and barrel support is exchangeable portion
Part, for adapting to different tests exemplar needs, need to be designed changing according to exemplar shape.
Heater adopts Electric heating, and the primary heater of bottom can achieve thermal convection current in sealing thermal insulation space；Four
The secondary heater of the week side of boss wall is used for simulating heat transfer boundary condition around exemplar.Heater can need to control thermal source model according to test
Enclose, temperature control is controlled by temperature sensor and Automated condtrol element simultaneously.Heating-up temperature highest controls at 650 DEG C, temperature
Degree control accuracy is ± 2 DEG C.
Supply gas extraction system mainly provides：Nitrogen, argon, air etc., supply gas pressure scope：0MPa-3MPa；It is mainly used
Carry out the working environment residing for simulation test model machine, achievable pressure adjusting range is 0MPa-3MPa.
Aeration radiation system is system capable of circulation；Ventilation scope：750-1500m3/h；Temperature controlling range：100℃-
650℃；Its Main Function is to adjust and provide stable ventilation according to the different ventilation and heat demand of test exemplar.
Measuring system is tested to all kinds of working conditions and performance of testing exemplar and is carried out automatization to test data
Collection.Temperature sensing is arranged in many places measuring point in stand, obtains the relatively complete thermo parameters method data of test exemplar.Pressure passes
Sensor is mainly pressure parameter in acquisition insufflation gas pressure and test-bed.Wind quantity test instrument is mainly acquisition cooling air quantity ginseng
Number.Quantity of gas leakage monitor is mainly the sealing property obtaining the test exemplar having seal request.
Preferably, described air feed tank is connected with test exemplar by air supply pipe, and described vacuum pump passes through vacuum-pumping tube and examination
Test exemplar connection.
Preferably, it is provided with some thermal insulation boards, if being provided with described heat-insulated end cap between described test exemplar and heat-insulated end cap
Dry insulation material layer, described enter cool air hose be connected to heat-insulated end cap side, described exhaust blower connects heat-insulated end cap by exhaust column
Opposite side.
Preferably, described temperature sensing is arranged in the multiple test points between barrel support inwall and test exemplar outer wall,
Described pressure transducer is arranged in test exemplar, and described wind quantity test instrument is arranged on exhaust column, described quantity of gas leakage prison
Survey instrument to be arranged on outside closure.
Preferably, described air supply pipe is provided with pressure gauge, described enter cool air hose be provided with the first thermometer, described exhaust column
It is provided with second temperature meter.
Preferably, it is provided with support level in the middle part of described heat-insulated end cap outer wall, described secondary heater is embedded in heat insulation wall
Side, described heat insulation wall medial surface is flushed with secondary heater medial surface, the height of described secondary heater and the height of barrel support
Match, described support level is supported on barrel support top.
Preferably, described heat insulation wall is concrete heat-insulating wall or alumina silicate fibre heat insulation wall, and described insulation material layer is
Cobblestone layer, is provided with sealing ring in described closure.
A kind of test method of ventilation and heat test-bed, comprises the steps：
1) first test-bed itself is tested；
2) open vacuum pump, the air pressure in test exemplar is evacuated to below 0MPa；
3) open air feed tank to insufflation gas in test exemplar；
4) start heater, stage by stage the temperature at lifting heater, primary heater is by bottom-heated to testing temperature
Degree, side wall is heated to test temperature by secondary heater；
5) adjust insufflation gas amount, make stable gas pressure in test air pressure；
6) measure the temperature value of each measuring point under different cooling air quantities；
7) pressure release, pressure is adjusted to test air pressure, measures the temperature of temperature point everywhere under different cooling air quantities again
Value.
Preferably, described step 2) in air pressure be evacuated to -0.08MPa, described step 4) in primary heater by bottom-heated
To 358 DEG C, side wall is heated to 358 DEG C of -410 degrees Celsius of linear distributions from bottom to top, described step 5 by secondary heater) in gas
Pressure stable in 0.3MPa, described step 7) in pressure is adjusted to 0.2MPa.
Preferably, described step 2) in air pressure be evacuated to -0.08MPa, described step 4) in primary heater by bottom-heated
To 550 DEG C, side wall is integrally heated to 550 DEG C by secondary heater, described step 5) in stable gas pressure in 0.25MPa, described step
In rapid 7), pressure is adjusted to 0.15MPa.
This utility model is applied to all thermal convection currents, heat radiation, the environment (especially hot environment) of conduction of heat and has sealing
Or the ventilation and heat verification experimental verification of the vertical large-scale equipment of radiating requirements；Possess using Reynolds analogy principle simulation conduction of heat, heat
Radiation, thermal convection current function, and can achieve the test of thermo parameters method, the test of ventilation and heat demand air quantity, inside test exemplar
Gas pressure and the relation of distribution law of temperature field；So as to realize the ventilation and heat examination of the main equipment of complicated hot environment
Test.
Brief description
Fig. 1 is structural representation of the present utility model；
In figure 1. barrel support, 2. heat insulation wall, 3. primary heater, 4. secondary heater, 5. test exemplar, 6. air feed tank,
7. air relief valve, 8. air supply pipe, 9. pressure gauge, 10. vacuum pump, 11. vacuum-pumping tubes, 12. exhaustors, 13. pressure limiting valves, 14. first
Ball valve, 15. second ball valves, 16. enter cool air hose, 17. exhaust blowers, 18. exhaust columns, 19. first thermometeies, 20. second temperature meters,
21. wind quantity test instrument, 22. thermal insulation boards, 23. heat-insulated end caps, 24. insulation material layers, 25 closures, 26. sealing rings, 27. supports
Step.
Specific embodiment
With reference to the accompanying drawings and examples this utility model is described in further detail, but is not new to this practicality
The restriction of type protection domain.
As shown in figure 1, a kind of ventilation and heat test-bed, including barrel support 1, the test exemplar that is arranged in barrel support 1
5th, the heat-insulated end cap 23 being fixed on test exemplar 5 top, the attemperator being arranged on outside barrel support 1, heater, supply aerofluxuss
System, aeration radiation system and measuring system,
Described 5, exemplar top of test is provided with closure 25, is provided with sealing ring 26 in closure 25；
Described attemperator is the heat insulation wall 2 being fixed on barrel support 1 lateral wall；
Described heater includes being fixed on the primary heater 3 of barrel support 1 bottom and is fixed on barrel support 1 outer wall and guarantor
Secondary heater 4 between warm wall 2；
Described supply gas extraction system includes supplying filling 6, air supply pipe 8, vacuum pump 10, vacuum-pumping tube 11, exhaustor 12, setting
In the air relief valve 7 on air supply pipe 8, the pressure limiting valve 13 that is arranged on vacuum-pumping tube 11 and the first ball valve 14 and be arranged on exhaustor
The second ball valve 15 on 12；
Described ventilation and heat gas extraction system includes exhaust blower 17, enters cool air hose 16 and exhaust column 18；
Described measuring system includes temperature sensor, pressure transducer, wind quantity test instrument and a quantity of gas leakage prison
Survey instrument.
Air feed tank 6 is passed through air supply pipe 8 and is connected with test exemplar 5, and vacuum pump 10 passes through vacuum-pumping tube 11 with test exemplar 5 even
Logical.
It is provided with some thermal insulation boards 22 between test exemplar 5 and heat-insulated end cap 23, in heat-insulated end cap 23, be provided with some heat-insulated materials
The bed of material 24, enters cool air hose 16 and is connected to heat-insulated end cap 23 side, exhaust blower 17 connects the another of heat-insulated end cap 23 by exhaust column 18
Side.
Temperature sensing is arranged in and (obtains test exemplar in the multiple test points between barrel support inwall and test exemplar outer wall
Relatively complete thermo parameters method data), pressure transducer is arranged in test exemplar 5 and (obtains the intrinsic pressure Radix Talini Paniculati of test-bed
Number), wind quantity test instrument 21 is arranged on exhaust column 18 (for obtaining the cooling air quantity parameter of exhaust blower extraction), quantity of gas leakage
Monitor is arranged on closure 25 outside (for detecting the sealing property of the test exemplar of seal request).
Air supply pipe 8 is provided with pressure gauge 9 (obtaining the pressure of insufflation gas), enters cool air hose 16 and is provided with the first thermometer 19
(entering the temperature of heat-insulated end cap cold wind for detection), exhaust column 18 is provided with second temperature meter 20 (for detection from heat-insulated end
The cold wind temperature extracted out in lid).
It is provided with support level 27, secondary heater 4 is embedded inside heat insulation wall 2, heat insulation wall 2 in the middle part of heat-insulated end cap 23 outer wall
Medial surface is flushed with secondary heater 4 medial surface, and the height of secondary heater 4 is matched with the height of barrel support 1, support level
27 are supported on barrel support 1 top.
Heat insulation wall 2 is concrete heat-insulating wall or alumina silicate fibre heat insulation wall, and insulation material layer 24 is cobblestone layer.
Bulk temperature field measurement test in temperature field under certain model vertical pump high temperature thermal convection current environment：
Embodiment 1
(1) 358 DEG C of bottom, thermo parameters method test at 410 DEG C around
1) first test-bed itself is tested；
2) with vacuum pump, the air pressure in the pump housing is evacuated to -0.08MPa；
3) by insufflation gas in the pump housing；
4) start heater, stage by stage the temperature at lifting heater, to 358 DEG C, the pump housing is supported bottom-heated with pump
Place's 358 DEG C of -410 degrees Celsius of linear distributions from bottom to top；
5) adjust insufflation gas amount, make stable gas pressure in 0.30MPa；
6) measure the temperature value of each measuring point under different cooling air quantities；
7) pressure release, pressure is adjusted to 0.2MPa, measures the temperature value of temperature point everywhere under different cooling air quantities again.
Embodiment 2
(2) 550 DEG C of bottom, thermo parameters method test at 550 DEG C around
1) first test-bed itself is tested；
2) with vacuum pump, the air pressure in the pump housing is evacuated to -0.08MPa；
3) by insufflation gas in the pump housing；
4) start heater, stage by stage the temperature at lifting heater, to 550 DEG C, the pump housing is supported bottom-heated with pump
Place is overall from bottom to top to be heated to 550 DEG C；
5) adjust insufflation gas amount, make stable gas pressure in 0.25MPa；
6) measure the temperature value of each temperature point under different cooling air quantities；
7) pressure release, pressure is adjusted to 0.15MPa, measures the temperature value of each temperature point under different cooling air quantities again.
Various sensor of the present utility model and instrument external controller.
Claims (7)
1. a kind of ventilation and heat test-bed it is characterised in that：It include barrel support, the test exemplar being arranged in barrel support,
Be fixed on the test heat-insulated end cap at exemplar top, the attemperator being arranged on outside barrel support, heater, supply gas extraction system,
Aeration radiation system and measuring system,
Described test exemplar top is provided with closure,
Described attemperator is the heat insulation wall being fixed on barrel support lateral wall；
Described heater include being fixed on the primary heater supporting bottom of the barrel and be fixed on barrel support outer wall and heat insulation wall it
Between secondary heater；
Described supply gas extraction system includes supplying filling, air supply pipe, vacuum pump, vacuum-pumping tube, exhaustor, is arranged on air supply pipe
Air relief valve, the pressure limiting valve being arranged on vacuum-pumping tube and the first ball valve and be arranged on the second ball valve on exhaustor；
Described ventilation and heat gas extraction system includes exhaust blower, enters cool air hose and exhaust column；
Described measuring system includes temperature sensor, pressure transducer, wind quantity test instrument and a quantity of gas leakage monitor.
2. a kind of ventilation and heat test-bed according to claim 1 it is characterised in that：Described air feed tank passes through air supply pipe
Connect with test exemplar, described vacuum pump is passed through vacuum-pumping tube and connected with test exemplar.
3. a kind of ventilation and heat test-bed according to claim 1 it is characterised in that：Described test exemplar and heat-insulated end
Be provided with some thermal insulation boards between lid, in described heat-insulated end cap, be provided with some insulation material layers, described enter cool air hose be connected to heat-insulated
End cap side, described exhaust blower connects the opposite side of heat-insulated end cap by exhaust column.
4. a kind of ventilation and heat test-bed according to claim 1 it is characterised in that：Described temperature sensing is arranged in
In multiple test points between barrel support inwall and test exemplar outer wall, described pressure transducer is arranged in test exemplar, institute
State wind quantity test instrument to be arranged on exhaust column, described quantity of gas leakage monitor is arranged on outside closure.
5. a kind of ventilation and heat test-bed according to claim 4 it is characterised in that：Described air supply pipe is provided with pressure
Table, described enter cool air hose be provided with the first thermometer, described exhaust column is provided with second temperature meter.
6. a kind of ventilation and heat test-bed according to claim 3 it is characterised in that：In the middle part of described heat-insulated end cap outer wall
It is provided with support level, described secondary heater is embedded inside heat insulation wall, inside described heat insulation wall medial surface and secondary heater
Face flushes, and the height of described secondary heater is matched with the height of barrel support, and described support level is supported on barrel support top.
7. a kind of ventilation and heat test-bed according to claim 3 it is characterised in that：Described heat insulation wall is protected for concrete
Warm wall or alumina silicate fibre heat insulation wall, described insulation material layer is cobblestone layer, is provided with sealing ring in described closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821242.1U CN205981731U (en) | 2016-08-01 | 2016-08-01 | Ventilation cooling test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620821242.1U CN205981731U (en) | 2016-08-01 | 2016-08-01 | Ventilation cooling test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981731U true CN205981731U (en) | 2017-02-22 |
Family
ID=58028371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620821242.1U Active CN205981731U (en) | 2016-08-01 | 2016-08-01 | Ventilation cooling test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205981731U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289838A (en) * | 2016-08-01 | 2017-01-04 | 浙富控股集团股份有限公司 | A kind of ventilation and heat test-bed and test method thereof |
| CN110763500A (en) * | 2019-11-04 | 2020-02-07 | 中国原子能科学研究院 | Test bed and test method for air door performance test |
-
2016
- 2016-08-01 CN CN201620821242.1U patent/CN205981731U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289838A (en) * | 2016-08-01 | 2017-01-04 | 浙富控股集团股份有限公司 | A kind of ventilation and heat test-bed and test method thereof |
| CN110763500A (en) * | 2019-11-04 | 2020-02-07 | 中国原子能科学研究院 | Test bed and test method for air door performance test |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |