CN108226154A - A kind of superhigh temperature antioxygenic property test platform and test method - Google Patents
A kind of superhigh temperature antioxygenic property test platform and test method Download PDFInfo
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- CN108226154A CN108226154A CN201711207695.0A CN201711207695A CN108226154A CN 108226154 A CN108226154 A CN 108226154A CN 201711207695 A CN201711207695 A CN 201711207695A CN 108226154 A CN108226154 A CN 108226154A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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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
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Abstract
The invention belongs to material property detection fields; particularly a kind of superhigh temperature antioxygenic property test platform; fire door including vertical furnace and furnace body upper end; lower portion of furnace body is provided with vacuum plant and protective gas supplementary device, and insulating layer is equipped in furnace body, heat-insulated door component is provided at the top of insulating layer; middle part is provided with the supporting plate for placing exemplar; supporting plate is connect with liftout attachment, and heat-insulated door component can be ejected by liftout attachment, and detecting instrument is provided with above fire door.The present invention is using heater heating environment and oxidation test environment separation; during heating; protective gas is poured in furnace body as gas shield environment, after the completion of heating, the exemplar heated is rapidly moved to oxidation environment from gas shield environment; make high temperature exemplar that oxidation occur under oxidizing atmosphere; and heater protects heater element not aoxidized also in gas shield environment, substantially increases the service life of heater element; experimentation cost is reduced, there is preferable market value.
Description
Technical field
The invention belongs to material property detection field, particularly a kind of superhigh temperature antioxygenic property test platform and experiment side
Method.
Background technology
With the development of industrial technology, space flight and aviation industry, missilery etc. are quickly grown, space flight and aviation industry development need tool
Have a high temperature resistant, anti-adverse environment, it is anti-oxidant the features such as material, ceramic material, carbon fibre material, composite material are excellent with its
High temperature resistant, oxidation resistant property, more come with more applications, and these performances are highly suitable for spacecraft, high speed
Guided missile if by ceramic material, carbon fibre material, composite material application, first has to solve the detection device and method of material
Problem.
The method of traditional experiment is cooling after exemplar is heated in burner hearth, keep the temperature a period of time, then, exemplar from
It is taken out in burner hearth, detects the variation of exemplar, usually this operation is known as sintering, heating anneal, tempering process.For tests exemplar
Performance under ultra-high temperature condition needs to carry out under vacuum or protective gas, at this moment needs for exemplar to be heated to the temperature of setting
Degree, environment and temperature residing for heating element are exactly exemplar experimental enviroment.Therefore, traditional handicraft carries out the Oxidation Resistance Test of exemplar
When, the highest Oxidation Resistance Test temperature of exemplar is consistent with heater oxidation resistance temperature or less than the anti-oxidant temperature of heater
Degree, this just proposes very high requirement to the heater of superhigh temperature heating, experimentation cost is substantially increased, simultaneously because heater
Oxidation also can to experiment have an impact.
Invention content
In order to detect the antioxygenic property of material under hyperthermal environments, but heater cannot be allowed to aoxidize, the present invention proposes
A kind of superhigh temperature antioxygenic property test platform.
The present invention to solve the above problems, the technical solution used for：A kind of superhigh temperature antioxygenic property test platform, packet
Vertical furnace and the fire door of furnace body upper end are included, lower portion of furnace body is provided with vacuum plant and protective gas supplementary device, is set in furnace body
There is hollow no closure insulation, and pass through insulating layer stent and connect with inboard wall of furnace body, being provided at the top of insulating layer being capable of transverse translation
The heat-insulated door component opened, bottom is provided with heater in insulating layer, and the supporting plate for placing exemplar, supporting plate are provided in the middle part of insulating layer
It is connect with the liftout attachment for being arranged on bottom of furnace body, and heat-insulated door component can be ejected by liftout attachment, be provided with above fire door
For detecting the detecting instrument of exemplar temperature change and metamorphosis.
Further, liftout attachment includes being arranged on supporting plate lower section and high temperature resistant supporting rod connected to it, insulating layer bottom
Face be provided with for supporting rod by through-hole, be provided with insulated door component when supporting rod ejects upwards among heat-insulated door component and also be able to close
The avoid holes closed, supporting rod lower end stretch out bottom of furnace body and connect lifting cylinder.
Further, supporting rod is connect by water cooling connecting rod with lifting cylinder.
Further, heat-insulated door component includes：Two insulated doors, guide rail, air cylinder support and two heat-insulated door cylinders,
The guide rail is connect with insulating layer, and heat-insulated door cylinder is mounted on by air cylinder support on the outside of furnace body, the work of heat-insulated door cylinder
Plug extension bar stretches into being connect with insulated door for furnace body, and two insulated doors are oriented to respectively in the drive lower edge of respective heat-insulated door cylinder
Track moves.
Further, guide rail is arranged on annular heat layer A, and annular heat layer A madial walls are connect with insulating layer, outside
Side wall is connect with inboard wall of furnace body, and upper surface is contacted with insulated door lower surface.
Further, be provided with annular heat layer B above insulated door, lateral wall is connect with inboard wall of furnace body, madial wall and
Insulating layer aligning inner, lower surface are contacted with insulated door upper surface, strengthen heat insulation.
Further, detecting instrument uses thermal imaging system and industrial camera.
Further, using double-layer hollow structure, centre is passed through cooling water and furnace body is cooled down for furnace body and fire door.
Further, heater uses U-shaped heater, fever end in insulating layer, terminals insulating layer and furnace body it
Between wiring.
A kind of superhigh temperature antioxygenic property test method with above-mentioned test platform includes the following steps：
1）Thermal imaging system and industrial camera are got out, is at working condition, gets out computer, opens Image Analysis software
System；
2）According to test requirements document, directly heated under oxidizing atmosphere environment be either evacuated heat under vacuum conditions or
It will be vacuumized in furnace body, be then charged with protective gas and heated under gas shield environment, in-furnace temperature is heated to 1000-2500
DEG C, then stop heating；
3）It is rapid to open fire door and insulated door；
4）It is quick to rise tested exemplar：
5）It is rapid to close insulated door, to prevent from entering excessive oxidizing atmosphere in burner hearth；
6）Use the dynamic change of thermal imaging system observation sample surface temperature；Industrial camera detection exemplar varies with temperature and the time
Variation, material shape variation；And pass through software systems and be fabricated to dynamic model, for further test and analyze exemplar with the time,
Temperature change, the variation that exemplar occurs.
The technical effects of the invention are that：
The present invention is using heater heating environment and oxidation test environment separation, and pouring protective gas during heating, in furnace body is
The exemplar heated after the completion of heating, is rapidly moved to oxidation environment from gas shield environment, makes height by gas shield environment
Oxidation occurs under oxidizing atmosphere for warm exemplar, and heater protects heater element not by oxygen also in gas shield environment
Change；Detection high temperature exemplar oxidation process occurs as temperature constantly reduces, by thermal imaging system record temperature change over time and
The dynamic process of variation, record high temperature exemplar by industrial camera constantly reduces with temperature, the dynamic change mistake of high temperature exemplar
Journey compares the record of thermal imaging system and industrial video recorder as a result, the situation of change of analysis high temperature exemplar.Superhigh temperature antioxygen can be met
Change the requirement of performance test, also protect heater element, substantially increase the service life of heater element, reduce experimentation cost, have
Preferable market value.
Description of the drawings
Fig. 1 is heated condition front view of the present invention；
Fig. 2 is the C-C of front view of the present invention to partial sectional view；
Fig. 3 does not show that fire door, exemplar eject observation state front view for present invention opening.
Reference numeral：1- furnace bodies, 2- fire doors, 3- vacuum plants, 4- protective gas supplementary device, 5- insulating layers, 6- heat preservations
Layer stent, the heat-insulated door components of 7-, 701- insulated doors, 702- guide rails, 703- air cylinder supports, 704 heat-insulated door cylinders, 8- fevers
Body, 9- exemplars, 10- supporting plates, 11- liftout attachments, 1101- supporting rods, 1102- lifting cylinders, 1103- water coolings connecting rod, 12- inspections
Survey instrument, 13- thermal insulation layer A, 14- thermal insulation layers B.
Specific embodiment
Further specific detailed description is done to the present invention with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of superhigh temperature antioxygenic property test platform, include the fire door of 1 upper end of vertical furnace 1 and furnace body
2,1 pref. cylindrical of furnace body, 1 lower part of furnace body is provided with vacuum plant 3 and protective gas supplementary device 4, is equipped in furnace body 1 hollow
Without closure insulation 5,5 preferred hollow cylinder of insulating layer, insulating layer 5 is connect by insulating layer stent 6 with 1 inner wall of furnace body, heat preservation
5 top of layer is provided with the heat-insulated door component 7 for being capable of transverse translation unlatching, and bottom is provided with heater 8, insulating layer 1 in insulating layer 5
Middle part is provided with the supporting plate 10 for placing exemplar 9, and supporting plate 10 connect with being arranged on the liftout attachment 11 of 1 bottom of furnace body, and can be by
Liftout attachment 11 ejects 7 component of insulated door, and 2 top of fire door is provided with the inspection for detecting 9 temperature change of exemplar and metamorphosis
Instrument 12 is surveyed, detecting instrument 12 is using thermal imaging system and industrial camera or other contactless, contact measurement instrument detections
Exemplar.
Liftout attachment 11 includes being arranged on 10 lower section of supporting plate and high temperature resistant supporting rod 1101 connected to it, 5 bottom of insulating layer
Face be provided with for supporting rod 1101 by through-hole, when supporting rod 1101 as shown in Figure 3 be provided among heat-insulated door component 7 ejecting upwards
Heat-insulated door component 7 also is able to the avoid holes closed, and 1 bottom of furnace body is stretched out in 1101 lower end of supporting rod and water cooling connecting rod 1103 is with rising
Sending down abnormally ascending cylinder 1102 connects.
As depicted in figs. 1 and 2, heat-insulated door component 7 includes：Two insulated doors 701, guide rail 702, air cylinder support 703
With two heat-insulated door cylinders 704, guide rail 702 is connect with insulating layer 5, and heat-insulated door cylinder 701 is installed by air cylinder support 703
In 1 outside of furnace body, the piston extension bar of heat-insulated door cylinder 704 stretches into being connect with insulated door 701 for furnace body 1, two insulated doors 701
It is moved under the drive of respective heat-insulated door cylinder 704 along guide rail 702 respectively, the face that two insulated doors 701 contact with each other,
One is provided with protrusion, another is provided with matched recess, strengthens sealing effect；Guide rail 702 be arranged on annular every
On thermosphere A13, annular heat layer A13 madial walls are connect with insulating layer 5, and lateral wall is connect with 1 inner wall of furnace body, upper surface with it is heat-insulated
The contact of 701 lower surfaces of door；701 top of insulated door is provided with annular heat layer B14, and lateral wall is connect with 1 inner wall of furnace body, inside
Wall and 5 aligning inner of insulating layer, lower surface are contacted with 701 upper surface of insulated door, strengthen heat insulation.Pass through annular heat layer
A13 and annular heat layer B 14 further strengthens heat insulation effect, reduces heat losses.
Further, using double-layer hollow structure, centre is passed through cooling water and furnace body is cooled down, subtracts for furnace body 1 and fire door 2
The influence of 2 received heat of few furnace body 1 and fire door, while reducing furnace heat and leaking causes external detection element to be affected.
Further, heater 8 is preferably using using U-shaped heater efficiency of heating surface height, and antioxygenic property is good, heater 8
Fever end in insulating layer 5, terminals wiring between insulating layer 5 and furnace body 1.
Specific embodiment 1.
The superhigh temperature antioxygenic property test method of the present invention includes the following steps：
1）Thermal imaging system and industrial camera are got out, is at working condition, gets out computer, opens Image Analysis software
System；
2）It according to test requirements document, is directly heated under oxidizing atmosphere environment, in-furnace temperature is heated to 1000 DEG C, then stop adding
Heat；
3）It is rapid to open fire door and insulated door；
4）It is quick to rise tested exemplar：
5）It is rapid to close insulated door；
6）Use the dynamic change of thermal imaging system observation sample surface temperature；Industrial camera detection exemplar varies with temperature and the time
Variation, material shape variation；And pass through software systems and be fabricated to dynamic model, for further test and analyze exemplar with the time,
Temperature change, the variation that exemplar occurs.
Specific embodiment 2.
The superhigh temperature antioxygenic property test method of the present invention includes the following steps：
1）Thermal imaging system and industrial camera are got out, is at working condition, gets out computer, opens Image Analysis software
System；
2）According to test requirements document, 10-1000Pa will be evacuated down in furnace body, in-furnace temperature is heated to 2000 DEG C, then stops adding
Heat；
3）It is rapid to open fire door and insulated door；
4）It is quick to rise tested exemplar：
5）It is rapid to close insulated door；
6）Use the dynamic change of thermal imaging system observation sample surface temperature；Industrial camera detection exemplar varies with temperature and the time
Variation, material shape variation；And pass through software systems and be fabricated to dynamic model, for further test and analyze exemplar with the time,
Temperature change, the variation that exemplar occurs.
Specific embodiment 3.
The superhigh temperature antioxygenic property test method of the present invention includes the following steps：
1）Thermal imaging system and industrial camera are got out, is at working condition, gets out computer, opens Image Analysis software
System；
2）According to test requirements document, 10-1000Pa will be evacuated down in furnace body, be then charged with protective gas, reach air pressure in stove
0.101-0.15MPa, in-furnace temperature are heated to 2500 DEG C, then stop heating；
3）It is rapid to open fire door and insulated door；
4）It is quick to rise tested exemplar：
5）It is rapid to close insulated door, to prevent from entering excessive oxidizing atmosphere in burner hearth；
6）Use the dynamic change of thermal imaging system observation sample surface temperature；Industrial camera detection exemplar varies with temperature and the time
Variation, material shape variation；And pass through software systems and be fabricated to dynamic model, for further test and analyze exemplar with the time,
Temperature change, the variation that exemplar occurs.
Better embodiment of the embodiment provided above for the present invention only is used for facilitating illustrating the present invention, not to this hair
The limitation of bright work in any form, any those of ordinary skill in the art, if putting forward skill not departing from the present invention
In the range of art feature, using the equivalent embodiment locally changed or modified made by disclosed technology contents, and
Without departing from the technical feature content of the present invention, in the range of still falling within the technology of the present invention feature.
Claims (10)
1. a kind of superhigh temperature antioxygenic property test platform, it is characterised in that：Including vertical furnace（1）And furnace body（1）Upper end
Fire door（2）, furnace body（1）Lower part is provided with vacuum plant（3）With protective gas supplementary device（4）, furnace body（1）It is interior to be equipped with hollow nothing
Closure insulation（5）, and pass through insulating layer stent（6）With furnace body（1）Inner wall connects, insulating layer（5）Top is provided with can be lateral
Translate the heat-insulated door component opened（7）, insulating layer（5）Interior bottom is provided with heater（8）, insulating layer（1）Middle part, which is provided with, puts
Put exemplar（9）Supporting plate（10）, supporting plate（10）With being arranged on furnace body（1）The liftout attachment of bottom（11）Connection, and can be by pushing up
Go out device（11）Eject insulated door（7）Component, fire door（2）Top is provided with to detect exemplar（9）Temperature change and form become
The detecting instrument of change（12）.
2. a kind of superhigh temperature antioxygenic property test platform according to claim 1, it is characterised in that：The liftout attachment
（11）Including being arranged on supporting plate（10）Lower section and high temperature resistant supporting rod connected to it（1101）, insulating layer（5）Bottom surface is provided with confession
Supporting rod（1101）By through-hole, heat-insulated door component（7）Centre is provided with supporting rod（1101）Insulated door component during ejection upwards
（7）It also is able to the avoid holes closed, supporting rod（1101）Furnace body is stretched out in lower end（1）Bottom simultaneously connects lifting cylinder（1102）.
3. a kind of superhigh temperature antioxygenic property test platform according to claim 2, it is characterised in that：The supporting rod
（1101）Pass through water cooling connecting rod（1103）With lifting cylinder（1102）Connection.
4. any one superhigh temperature antioxygenic property test platform according to claims 1 to 3, it is characterised in that：It is described
Heat-insulated door component（7）Including：Two insulated doors（701）, guide rail（702）, air cylinder support（703）With two heat-insulated door cylinders
（704）, the guide rail（702）Horizontally disposed and and insulating layer（5）Connection, heat-insulated door cylinder（701）Pass through air cylinder support
（703）Mounted on furnace body（1）Outside, heat-insulated door cylinder（704）Piston extension bar stretch into furnace body（1）And insulated door（701）
Connection, two insulated doors（701）Respectively in respective heat-insulated door cylinder（704）Drive under along guide rail（702）It is mobile.
5. a kind of superhigh temperature antioxygenic property test platform according to claim 4, it is characterised in that：The guide rail
（702）It is arranged on annular heat layer A（13）On, annular heat layer A（13）Madial wall and insulating layer（5）Connection, lateral wall and stove
Body（1）Inner wall connects, upper surface and insulated door（701）Lower surface contacts.
6. a kind of superhigh temperature antioxygenic property test platform according to claim 5, it is characterised in that：The insulated door
（701）Top is provided with annular heat layer B（14）, lateral wall and furnace body（1）Inner wall connects, madial wall and insulating layer（5）It is interior
Wall is aligned, lower surface and insulated door（701）Upper surface contacts, and strengthens heat insulation.
7. a kind of superhigh temperature antioxygenic property test platform according to claim 1, it is characterised in that：The detecting instrument
（12）Using thermal imaging system and industrial camera.
8. a kind of superhigh temperature antioxygenic property test platform according to claim 1, it is characterised in that：The furnace body（1）
And fire door（2）Using double-layer hollow structure, centre is passed through cooling water and is cooled down.
9. a kind of superhigh temperature antioxygenic property test platform according to claim 1, it is characterised in that：The heater
（8）Using U-shaped heater, fever end is in insulating layer（5）Interior, terminals are in insulating layer（5）With furnace body（1）Between wiring.
10. any one superhigh temperature antioxygenic property test platform its superhigh temperature inoxidizability according to claim 1 to 9
Energy test method, which is characterized in that include the following steps：
1）Thermal imaging system and industrial camera are got out, is at working condition, gets out computer, opens Image Analysis software
System；
2）According to test requirements document, directly heated under oxidizing atmosphere environment be either evacuated heat under vacuum conditions or
It will be vacuumized in furnace body, be then charged with protective gas and heated under gas shield environment, in-furnace temperature is heated to 1000-2500
DEG C, then stop heating；
3）It is rapid to open fire door and insulated door；
4）It is quick to rise tested exemplar：
5）It is rapid to close insulated door；
6）Use the dynamic change of thermal imaging system observation sample surface temperature；Industrial camera detection exemplar varies with temperature and the time
Variation, material shape variation；And pass through software systems and be fabricated to dynamic model, for further test and analyze exemplar with the time,
Temperature change, the variation that exemplar occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207695.0A CN108226154B (en) | 2017-11-27 | 2017-11-27 | Ultra-high temperature oxidation resistance test platform and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207695.0A CN108226154B (en) | 2017-11-27 | 2017-11-27 | Ultra-high temperature oxidation resistance test platform and test method |
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| CN108226154A true CN108226154A (en) | 2018-06-29 |
| CN108226154B CN108226154B (en) | 2023-09-05 |
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ID=62652883
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| CN201711207695.0A Active CN108226154B (en) | 2017-11-27 | 2017-11-27 | Ultra-high temperature oxidation resistance test platform and test method |
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| CN108896495A (en) * | 2018-09-14 | 2018-11-27 | 贵州电网有限责任公司 | A kind of environmental protection insulating gas and metal phase capacitive experiment simulator and test method |
| CN109444215A (en) * | 2018-12-29 | 2019-03-08 | 中国建筑材料科学研究总院有限公司 | Unstable state superhigh temperature Heat-Insulation Test device and test method |
| CN109506768A (en) * | 2018-11-20 | 2019-03-22 | 西北工业大学 | Sound field detection method and system in high temperature solid-liquid two-phase environment with temperature protection |
| CN110779809A (en) * | 2018-12-21 | 2020-02-11 | 航天特种材料及工艺技术研究所 | 1050 ℃ -1700 ℃ three-point bending testing device |
| WO2020252984A1 (en) * | 2019-06-20 | 2020-12-24 | 浙江大学 | Material performance testing system under suspension multi-field coupling action in supergravity environment |
| CN112324751A (en) * | 2020-11-16 | 2021-02-05 | 山东星辉航空液压机械有限公司 | Oil way system for isolating hydraulic oil inside and outside cabin |
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| CN112324751A (en) * | 2020-11-16 | 2021-02-05 | 山东星辉航空液压机械有限公司 | Oil way system for isolating hydraulic oil inside and outside cabin |
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| Publication number | Publication date |
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| CN108226154B (en) | 2023-09-05 |
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