CN103983109A - Regenerative zirconia fiber ultrahigh temperature experimental furnace - Google Patents
Regenerative zirconia fiber ultrahigh temperature experimental furnace Download PDFInfo
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- CN103983109A CN103983109A CN201410154105.2A CN201410154105A CN103983109A CN 103983109 A CN103983109 A CN 103983109A CN 201410154105 A CN201410154105 A CN 201410154105A CN 103983109 A CN103983109 A CN 103983109A
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- zirconium oxide
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- oxide fibre
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The opening of a regenerative zirconia fiber ultrahigh temperature experimental furnace is upward, a zirconia quadrangular frustum which is used for regeneration and testing is placed on the opening, a square zirconia fiber cover is arranged on the quadrangular frustum, the furnace temperature is 1800 DEG C, and the regenerative zirconia fiber ultrahigh temperature experimental furnace operates in the oxidizing atmosphere without the shielding of any gas; U-shaped heating rods are mounted upside down, and the maximum power is 10 kilowatts. Two thermocouples are respectively mounted in a furnace chamber and on the cover to measure the furnace temperature and the surface temperature of the quadrangular frustum. The plane of the quadrangular frustum is used for testing after being calibrated, for example, magnetic waves are vertically incident upon the flat plate, and the waveform of the magnetic waves reflected by an ultrahigh object is tested.
Description
Technical field
The invention belongs to superhigh temperature experimental furnace manufacturing technology field, particularly a kind of manufacturing technology of simulating superhigh temperature object reflection of electromagnetic wave test experiments stove.
Background technology
High-speed flight object through atmosphere Pneumatic friction heat-dissipating to superhigh temperature state, its reflection configuration to incident electromagnetic wave is to survey this object trend must know, except theory, calculate and also need a set of ground installation repeatedly to carry out physical object simulating testing authentication, therefore need to there is such analog testing platform: platform is exposed in air, can can frequently put in the above as required, get sheet test object, such as absorbing material thin slice, coated sheet etc.; Platform surface can keep 1600 ℃ 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 manufactures heat accumulating type superhigh temperature stove with zirconia material, and the analog testing platform that meets these type of needs is provided.
Summary of the invention
A kind of heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace for the present invention, provide simulation high-speed flight object reflection condition to incident electromagnetic wave when atmosphere Pneumatic friction heat-dissipating arrives superhigh temperature state, in order to survey, to analyze the test platform of the needs such as this high temp objects trend situation.
Test platform surface requirements keeps 1600 ℃, and in experimental furnace burner hearth, temperature must operate at more than 1800 ℃, belongs to superhigh temperature category.Superhigh temperature stove is worked under oxidizing atmosphere, and heat preserving and insulating material is selected the stable zirconium oxide fiber board of yttrium.
Experimental furnace fire door, is put truncated rectangular pyramids accumulation of heat, that suppress with yttrium stable zirconium oxide micro mist upward above openning, cover the square lid that Zirconium oxide fibre is manufactured on truncated rectangular pyramids; The thermal insulation board that furnace lining is manufactured with Zirconium oxide fibre; 1800 ℃ of furnace temperature are worked in the oxidizing atmosphere without any gas shield; Six inverted U-shaped installations of U-shaped heating bar, inverted U-shaped heating bar supports with the drum of yttrium stable zirconium oxide hollow ball compacting, and below cold junction is made collet with zirconium oxide fiber board; Maximum 17 volts of adjustable, power source specials of 300 amperes for power acquisition, heating bar is connected into three strings two also, 5 kilowatts of peak powers.Body of heater outer, truncated rectangular pyramids base arranged outside one stainless steel reflector, angle of reflection is identical with the angle of reflection of truncated rectangular pyramids surrounding.In burner hearth and on bell, respectively equip a thermocouple, to measure respectively and to control the temperature of furnace temperature, truncated rectangular pyramids test slab.
Truncated rectangular pyramids plane is done test, aims at the dull and stereotyped vertical incidence electromagnetic wave of demarcating size, can test the characteristic parameters such as reflection configuration of high temp objects to incident electromagnetic wave.
Heat storage: truncated rectangular pyramids, the compacting of yttrium stable zirconium oxide micro mist, density 4000～4550kg/m
3; 16～20 centimetres of the upper length of sides, 25～29 centimetres of the lower length of sides, high 4～5 centimetres, base and inclined-plane 45 degree.
Inner lining of furnace: yttrium stable zirconium oxide fiberboard, density 500～700kg/m
3, 5～8 centimetres of thickness; Zirconium oxide fibre purity: zirconia+yittrium oxide=99.5%, 5～15 microns of Zirconium oxide fibre diameters, 1650～2200 ℃ of operating temperatures.
Heating bar: 4～8 of Connell Si-Mo rods, 1650～1800 ℃, the installation of falling U, every heating power 800～1200W.
Operating temperature in stove: 1800 ℃.
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-truncated rectangular pyramids 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 and is arranged on the photo supporting on drum.
The specific embodiment
1, heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace is manufactured:
(1), Zirconium oxide fibre stay-warm case 1, with Zirconium oxide fibre, be stacked into rectangle, compress and to insert SUS304 stainless steel cover, dig out spill, make it to cover truncated rectangular pyramids heat storage 2.
(2), zirconia truncated rectangular pyramids heat storage 2, as the truncated rectangular pyramids of heat storage, with zirconia micro mist, shake molded, density 4550kg/m
3; 18 centimetres of the upper length of sides, 27 centimetres of the lower length of sides, high 4.5 centimetres, base and inclined-plane 45 degree.
(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 cuts, vacuum filtering shape process 1650 ℃ of sintering, density 600kg/m
3, 6 centimetres of thickness; Zirconium oxide fibre purity: zirconia+yittrium oxide=99.5%, 7 microns of fibre diameters, 1650～2200 ℃ of operating temperatures.
Heating bar: 6 of Connell Si-Mo rods, be inverted and install, every heating power 980W.Operating temperature in stove: 1800 ℃.
(5), stainless steel furnace shell 5, of 2 millimeters thick SUS304 stainless steel materials, make.
2, heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace is used:
Heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace temperature is controlled and is taked program controlled mode, and temperature-rise period and common program control cabinet-type electric furnace are basic identical.Heat up 5～6 hours with 5 ℃ per minute, insulation half an hour when being raised to target temperature (≤1800 ℃) after, make the internal and external temperature of the whole truncated rectangular pyramids 2 that accumulation of heat uses even and arrive target temperature.Raise lid 1 and can carry out dependence test, if the testing time shorter (10～20 seconds) now can continue energising heating, also can power-off; Cover Zirconium oxide fibre lid and continue to heat up, temperature stabilization is raised lid later and is continued test.Cooling is adopted power-off and is naturally lowered the temperature.
Claims (4)
1. heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace is characterised in that experimental furnace fire door upward, on openning, place one as truncated rectangular pyramids accumulation of heat, test use, the compacting of yttrium stable zirconium oxide micro mist, the square lid that above truncated rectangular pyramids, capping oxidation zirconium fiber is manufactured.
2. heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace is characterised in that the thermal insulation board that furnace lining is manufactured with Zirconium oxide fibre; 1800 ℃ of furnace temperature are worked in the oxidizing atmosphere without any gas shield.
3. heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace is characterised in that in burner hearth that the drum that U-shaped heating bar is inverted installation, suppressed by yttrium stable zirconium oxide hollow ball provides support, 5 kilowatts of peak powers.In burner hearth and on bell, respectively fill a thermocouple, to measure respectively truncated rectangular pyramids surface temperature and to control furnace temperature.
4. heat accumulating type Zirconium oxide fibre superhigh temperature experimental furnace is characterised in that truncated rectangular pyramids plane is through demarcating, can be used to test the reflection configuration of high temp objects to incident electromagnetic wave.
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 true CN103983109A (en) | 2014-08-13 |
| CN103983109B 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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| Publication number | Publication date |
|---|---|
| CN103983109B (en) | 2016-03-09 |
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