CN103983109B - A kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace - Google Patents
A kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace Download PDFInfo
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- CN103983109B CN103983109B CN201410154105.2A CN201410154105A CN103983109B CN 103983109 B CN103983109 B CN 103983109B CN 201410154105 A CN201410154105 A CN 201410154105A CN 103983109 B CN103983109 B CN 103983109B
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- zirconium oxide
- oxide fibre
- furnace
- superhigh temperature
- accumulating type
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
Experimental furnace fire door upward, put above as accumulation of heat hold concurrently test zirconia truncated rectangular pyramids, truncated rectangular pyramids covers the square lid of Zirconium oxide fibre, furnace temperature 1800 DEG C, works in the oxidizing atmosphere without any gas shield; U-shaped heating bar is inverted and is installed, peak power 10 kilowatts.A thermocouple is respectively filled, to measure furnace temperature and truncated rectangular pyramids surface temperature in burner hearth and on bell.Truncated rectangular pyramids plane does test after demarcating, and as vertical incidence electromagnetic wave on flat board, test superhigh temperature object is to electromagnetic reflection configuration.
Description
Technical field
The invention belongs to superhigh temperature experimental furnace manufacturing technology field, particularly a kind of manufacturing technology simulating superhigh temperature object electromagnetic wave reflection test experiments stove.
Background technology
High-speed flight object through air Pneumatic friction heat-dissipating to superhigh temperature state, this object trend of its reflection configuration to incident electromagnetic wave detection must be known, except theory calculate also needs a set of ground installation repeatedly to carry out physical object simulating testing authentication, therefore such analog testing platform is needed: platform exposes in atmosphere, frequently can put above as required, get sheet test object, such as absorbing material thin slice, coated sheet etc.; Platform surface can keep 1600 DEG C of high temperature; Platform can be demarcated, vertical platform plane incident electromagnetic wave, receives, records the parameters such as reflected electromagnetic waveform, for analysis and research.The present invention's zirconia material manufactures heat accumulating type superhigh temperature stove, provides the analog testing platform meeting these type of needs.
Summary of the invention
A kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace of the present invention, there is provided the reflection condition of simulation high-speed flight object to incident electromagnetic wave when air Pneumatic friction heat-dissipating arrives superhigh temperature state, in order to detection, the test platform analyzing the needs such as this high temp objects trend situation.
Test platform surface requirements keeps 1600 DEG C, then in experimental furnace burner hearth, temperature must operate at more than 1800 DEG C, belongs to superhigh temperature category.Superhigh temperature stove works under oxidizing atmosphere, the zirconium oxide fiber board that heat preserving and insulating material selects yttrium stable.
Upward, quadrangular frustum pyramid shaped heat storage that put accumulation of heat above openning, that suppress with yttrium stable zirconium oxide micro mist, quadrangular frustum pyramid shaped heat storage covers experimental furnace fire door the stay-warm case that Zirconium oxide fibre manufactures; The thermal insulation board that furnace lining manufactures with Zirconium oxide fibre; Furnace temperature 1800 DEG C, works in the oxidizing atmosphere without any gas shield; Six inverted U-shaped installations of U-shaped heating bar, the drum of inverted U-shaped heating bar yttrium stable zirconium oxide hollow ball compacting supports, and below cold junction zirconium oxide fiber board makees collet; Maximum 17 volts of adjustable, the power source specials of 300 amperes of power acquisition, heating bar is connected into three strings two also, peak power 5 kilowatts.Body of heater outer, quadrangular frustum pyramid shaped heat storage base arranged outside one stainless steel reflector, angle of reflection is identical with the angle of reflection of quadrangular frustum pyramid shaped heat storage surrounding.Respectively a thermocouple is equipped, to measure and to control the temperature of furnace temperature, quadrangular frustum pyramid shaped heat storage test slab respectively in burner hearth and on stay-warm case.
Quadrangular frustum pyramid shaped heat storage plane does test, aims at the slab normal incident electromagnetic wave demarcating size, can test high temp objects to characteristic parameters such as the reflection configurations of incident electromagnetic wave.
Heat storage: quadrangular frustum pyramid shaped heat storage, yttrium stable zirconium oxide micro mist is suppressed, density 4000 ~ 4550kg/m
3; The upper length of side 16 ~ 20 centimetres, the lower length of side 25 ~ 29 centimetres, high 4 ~ 5 centimetres, base and 45 degree, inclined-plane.
Inner lining of furnace: yttrium stable zirconium oxide fiberboard, density 500 ~ 700kg/m
3, thickness 5 ~ 8 centimetres; Zirconium oxide fibre purity: zirconia+yittrium oxide=99.5%, Zirconium oxide fibre diameter 5 ~ 15 microns, operating temperature 1650 ~ 2200 DEG C.
Heating bar: Connell Si-Mo rod 4 ~ 8,1650 ~ 1800 DEG C, the installation of falling U, often props up heating power 800 ~ 1200W.
Operating temperature in stove: 1800 DEG C.
Furnace shell: 2 ~ 4 millimeters thick SUS304 stainless steel materials.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace.1-Zirconium oxide fibre stay-warm case; 2-quadrangular frustum pyramid shaped heat storage; 3-Zirconium oxide fibre sealing gasket; 4-superhigh temperature burner hearth; 5-stainless steel furnace shell.
Fig. 2 is in superhigh temperature burner hearth, and heating bar is inverted the photo being arranged on and supporting on drum.
1, heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace manufactures:
(1), Zirconium oxide fibre stay-warm case 1, be stacked into rectangle with Zirconium oxide fibre, compress insert SUS304 stainless steel cover, dig out spill, make it to cover quadrangular frustum pyramid shaped heat storage shape 2.
(2), zirconia quadrangular frustum pyramid shaped heat storage 2, as the truncated rectangular pyramids of heat storage, shake molded with zirconia micro mist, density 4550kg/m
3; The upper length of side 18 centimetres, the lower length of side 27 centimetres, high 4.5 centimetres, base and 45 degree, inclined-plane.
(3), Zirconium oxide fibre sealing gasket 3, Zirconium oxide fibre is cut into the strip of 6 centimetres, along on burner hearth along flattening gently.
(4), superhigh temperature burner hearth 4, inner lining of furnace adopts Zirconium oxide fibre, shortly to cut, vacuum filtering shape process, 1650 DEG C of sintering, density 600kg/m
3, thickness 6 centimetres; Zirconium oxide fibre purity: zirconia+yittrium oxide=99.5%, fibre diameter 7 microns, operating temperature 1650 ~ 2200 DEG C.
Heating bar: Connell Si-Mo rod 6, is inverted and installs, often prop up heating power 980W.Operating temperature in stove: 1800 DEG C.
(5), stainless steel furnace shell 5, with 2 millimeters thick SUS304 stainless steel materials make.
2, heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace uses:
Heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace temperature controls to take program controlled mode, and temperature-rise period is substantially identical with common program control cabinet-type electric furnace.Heat up 5 ~ 6 hours with 5 DEG C per minute, after being raised to target temperature (≤1800 DEG C), being incubated half an hour, making the internal and external temperature of the whole quadrangular frustum pyramid shaped heat storage 2 of accumulation of heat evenly and arrive target temperature.Raise stay-warm case 1 and can carry out dependence test, if the testing time shorter (10 ~ 20 seconds), then now can continue electrified regulation, also can power-off; Cover Zirconium oxide fibre stay-warm case 1 to continue to heat up, raise stay-warm case 1 after temperature stabilization and continue test.Power-off Temperature fall is adopted in cooling.
Claims (7)
1. a heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace, described experimental furnace comprises a furnace shell, and one is opened in the burner hearth in described furnace shell, arranges an inner lining of furnace in described burner hearth, and one is inverted in the heating bar in described burner hearth; It is characterized in that: described experimental furnace also comprises the sealing gasket being arranged on edge on described burner hearth, be placed on the quadrangular frustum pyramid shaped heat storage of the fire door of described burner hearth, cover the square thermal-insulation cover be located on described heat storage; The outer of described furnace shell and the outside on described heat storage base all arrange a reflector, and the angle of reflection of described reflector is identical with the angle of reflection of described heat storage surrounding; Described burner hearth inside and stay-warm case all install a thermocouple.
2. a kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace as claimed in claim 1, is characterized in that: described sealing gasket is Zirconium oxide fibre sealing gasket.
3. a kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace as claimed in claim 2, is characterized in that: described heat storage adopts zirconia micro mist to shake molded.
4. a kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace as described in claim 1 or 2 or 3, is characterized in that: described stay-warm case comprises a SUS304 stainless steel cover, and one compresses the Zirconium oxide fibre stacked body be placed in described cover.
5. a kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace as described in claim 1 or 2 or 3, is characterized in that: described inner lining of furnace adopts Zirconium oxide fibre manufacture to form.
6. a kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace as described in claim 1 or 2 or 3, it is characterized in that: described heating bar adopts U-shaped structure, the drum suppressed by yttrium stable zirconium oxide hollow ball provides support, and the power of described heating bar is not more than 5 kilowatts.
7. a kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace as claimed in claim 6, is characterized in that: described heating bar is 6, adopts Connell Si-Mo rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154105.2A CN103983109B (en) | 2014-04-11 | 2014-04-11 | A kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410154105.2A CN103983109B (en) | 2014-04-11 | 2014-04-11 | A kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103983109A CN103983109A (en) | 2014-08-13 |
| CN103983109B true CN103983109B (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410154105.2A Expired - Fee Related CN103983109B (en) | 2014-04-11 | 2014-04-11 | A kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300037A (en) * | 1979-09-04 | 1981-11-10 | Oxy Dental Prod. Inc. | Electronic control system for a radiant furnace |
| CN2702259Y (en) * | 2004-04-13 | 2005-05-25 | 李树华 | Housing structure of electric furnace for energy-saving experiment |
| CN201532114U (en) * | 2009-09-22 | 2010-07-21 | 洛阳市西格马仪器制造有限公司 | Ultra-high-temperature tube-type atmosphere furnace |
| CN201653137U (en) * | 2010-02-22 | 2010-11-24 | 长春机械科学研究院有限公司 | 1000DEG C infrared heating furnace |
| DE102011077172A1 (en) * | 2011-06-08 | 2012-12-13 | Areva Np Gmbh | Microwave oven for sintering e.g. uranium dioxide-based nuclear fuel pellets, has gutter-shaped heating element provided in resonator chamber and heatable by microwaves prevalent in resonator chamber |
| CN203148216U (en) * | 2013-01-21 | 2013-08-21 | 洛阳华旭利尔电炉有限公司 | High-temperature crucible experimental furnace |
| CN103411427A (en) * | 2013-08-09 | 2013-11-27 | 刘和义 | Efficient energy-saving high-temperature electric furnace with lifting furnace door and full-fiber hearth |
-
2014
- 2014-04-11 CN CN201410154105.2A patent/CN103983109B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4300037A (en) * | 1979-09-04 | 1981-11-10 | Oxy Dental Prod. Inc. | Electronic control system for a radiant furnace |
| CN2702259Y (en) * | 2004-04-13 | 2005-05-25 | 李树华 | Housing structure of electric furnace for energy-saving experiment |
| CN201532114U (en) * | 2009-09-22 | 2010-07-21 | 洛阳市西格马仪器制造有限公司 | Ultra-high-temperature tube-type atmosphere furnace |
| CN201653137U (en) * | 2010-02-22 | 2010-11-24 | 长春机械科学研究院有限公司 | 1000DEG C infrared heating furnace |
| DE102011077172A1 (en) * | 2011-06-08 | 2012-12-13 | Areva Np Gmbh | Microwave oven for sintering e.g. uranium dioxide-based nuclear fuel pellets, has gutter-shaped heating element provided in resonator chamber and heatable by microwaves prevalent in resonator chamber |
| CN203148216U (en) * | 2013-01-21 | 2013-08-21 | 洛阳华旭利尔电炉有限公司 | High-temperature crucible experimental furnace |
| CN103411427A (en) * | 2013-08-09 | 2013-11-27 | 刘和义 | Efficient energy-saving high-temperature electric furnace with lifting furnace door and full-fiber hearth |
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|---|---|
| CN103983109A (en) | 2014-08-13 |
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