CN202582186U - Far infrared uniform-temperature tubular experimental electric furnace - Google Patents
Far infrared uniform-temperature tubular experimental electric furnace Download PDFInfo
- Publication number
- CN202582186U CN202582186U CN 201220147120 CN201220147120U CN202582186U CN 202582186 U CN202582186 U CN 202582186U CN 201220147120 CN201220147120 CN 201220147120 CN 201220147120 U CN201220147120 U CN 201220147120U CN 202582186 U CN202582186 U CN 202582186U
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- thermocouple
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Abstract
The utility model relates to a far infrared uniform-temperature tubular experimental electric furnace. The outermost layer is a furnace body; the furnace body is internally provided with two layers of coaxial furnace tubes; the outer furnace tube is composed of multiple serially connected heating regions; the inner furnace tube and the outer furnace tube are positioned at two ends of the furnace by adopting insulating bricks; the inner wall of the outer furnace tube, the outer wall of the inner furnace tube and the surface of the positioning bricks are coated with nanometer far infrared paint; and a temperature-controlling thermocouple passes through the positioning bricks to be tightly stuck with the inner wall of the outer furnace tube to enable a measuring end to be located at the position of a temperature control point. The far infrared uniform-temperature tubular experimental electric furnace, disclosed by the utility model, has the advantages of rational insulation structure, high control precision, and capabilities of satisfying with uniform temperature field with a corresponding length needed by the experiment and satisfying with experiments on a sheathed thermocouple integrated temperature sensor, a noble-metal thermocouple, a standard thermocouple and a multi-point type thermocouple of two-meter in length used for semiconductor industry.
Description
Technical field
The utility model relates to a kind of experiment firing equipment, particularly a kind of far infrared samming tubulose experimental electric furnace.
Background technology
Along with the incorporate trend in the world, the laboratory technique of China gradually and international joint, the temperature of present domestic electric thermo-couple test furnace be 60mm1 ℃, and the temperature of advanced country's electric thermo-couple test furnace is a 100mm length; Along with the development of high-precision simple metal thermocouple, its annealing furnace ℃ is brought up to 400mm ± 2 ℃ by 400mm ± 20---and 400mm ± 5 ℃, the temperature that therefore improves domestic electric thermo-couple test furnace are to need the problem that solves at present.
Summary of the invention
The utility model is the problem to warm the increasingly high temperature accuracy that can not meet the demands of domestic electric thermo-couple test furnace; A kind of far infrared samming tubulose experimental electric furnace has been proposed; Insulation construction is reasonable, and control accuracy is high, can satisfy the uniform temperature field of the respective length of experiment needs.
The technical scheme of the utility model is: a kind of far infrared samming tubulose experimental electric furnace, coaxial two-layer boiler tube is arranged in the electric furnace body, and outermost layer is a body of heater; In the body of heater is the thermal treatment zone of at least two series connection; Each thermal treatment zone is made up of the heat-insulation layer and the heating tube of the fiber brick of vacuum suction filter, and the furnace tube of internal layer is fixed in each heating tube with 2 location bricks, forms far infrared samming chamber at the inner surface of heating tube, the outer surface of furnace tube and the inner surface coating nanoscale far ultrared paint of location brick; Temperature-control heat couple is passed the location brick; Be close to the heating tube inwall, controller is gathered the temperature-control heat couple signal, and outputs a control signal to heating tube and furnace tube.
Said controller comprises intelligent temperature regulator and current-limiting apparatus.
The beneficial effect of the utility model is: the utility model far infrared samming tubulose experimental electric furnace, can satisfy armoured thermocouple integrated temperature sensor, noble-metal thermocouple, standard couple and semiconductor industry and reach two meters tests that get the multipoint mode thermocouple.
Description of drawings
Fig. 1 is the utility model far infrared samming tubulose experimental electric furnace structural representation.
The specific embodiment
Far infrared samming tubulose experimental electric furnace structural representation as shown in Figure 1; Experimental electric furnace can be used as the electric thermo-couple test furnace of multi-purpose type; Coaxial two-layer boiler tube is arranged in the body of heater; Outermost layer is a body of heater 1, is the thermal treatment zone 8,9,10 of 3 sections series connection in the body of heater 1, and the thermal treatment zone is made up of heat-insulation layer 2 and three sections heating tubes 3 of the fiber brick of vacuum suction filter; 2 location bricks 4 of furnace tube 5 usefulness of internal layer are fixed in three sections heating tubes 3, form far infrared samming chamber 6 at the inner surface of heating tube 3, the outer surface of furnace tube 5 and the inner surface coating nanoscale far ultrared paint of location brick 4.
Heating tube size φ 100 * 120 * 400mm; Furnace tube size φ 40 * 600mm, temperature-control heat couple 11 is passed location brick 4, is close to heating tube 3 inwalls and makes its measuring junction be in thermal treatment zone medium position; Uniform temperature field in the burner hearth is tested according to a temperature test specification of electric thermo-couple test furnace with two standard couples; According to test result,, can reach the precision of the highest even warm area 100mm ± 0.25 ℃ with the temperature of temperature control instrument adjustment uniform temperature zone.Can satisfy armoured thermocouple integrated temperature sensor, noble-metal thermocouple, standard couple and semiconductor industry and reach two meters tests that get the multipoint mode thermocouple.The diameter of boiler tube is that furnace tube 5 is greater than more than the 20mm with heating tube 3 its gaps according to requirement of experiment processing in actual, and an end of uniform temperature field and the distance of stove end are greater than more than the 100mm.Control device 7 adopts intelligent temperature regulator and additional current-limiting apparatus, gathers temperature-control heat couple 11 signals, and outputs a control signal to heating tube 3 and furnace tube 5, guarantees reliability of operation.
Claims (2)
1. far infrared samming tubulose experimental electric furnace; It is characterized in that coaxial two-layer boiler tube is arranged in the electric furnace body, outermost layer is body of heater (1); In the body of heater (1) is the thermal treatment zone of at least two series connection; Each thermal treatment zone is made up of the heat-insulation layer (2) and the heating tube (3) of the fiber brick of vacuum suction filter, and the furnace tube of internal layer (5) is fixed in each heating tube (3) with 2 location bricks (4), forms far infrared samming chamber (6) at the inner surface of heating tube (3), the outer surface of furnace tube (5) and the inner surface coating nanoscale far ultrared paint of location brick (4); Temperature-control heat couple (11) is passed location brick (4); Be close to heating tube (3) inwall, controller is gathered temperature-control heat couple (11) signal, and outputs a control signal to heating tube (3) and furnace tube (5).
2. according to the said far infrared samming of claim 1 tubulose experimental electric furnace, it is characterized in that said controller comprises intelligent temperature regulator and current-limiting apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147120 CN202582186U (en) | 2012-04-10 | 2012-04-10 | Far infrared uniform-temperature tubular experimental electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220147120 CN202582186U (en) | 2012-04-10 | 2012-04-10 | Far infrared uniform-temperature tubular experimental electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202582186U true CN202582186U (en) | 2012-12-05 |
Family
ID=47251589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220147120 Expired - Lifetime CN202582186U (en) | 2012-04-10 | 2012-04-10 | Far infrared uniform-temperature tubular experimental electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202582186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323873A (en) * | 2020-03-31 | 2020-06-23 | 中国建筑材料科学研究总院有限公司 | Torsion forming method and device of large-size optical fiber image inverter |
-
2012
- 2012-04-10 CN CN 201220147120 patent/CN202582186U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323873A (en) * | 2020-03-31 | 2020-06-23 | 中国建筑材料科学研究总院有限公司 | Torsion forming method and device of large-size optical fiber image inverter |
| CN111323873B (en) * | 2020-03-31 | 2022-01-28 | 中国建筑材料科学研究总院有限公司 | Torsion forming method and device of large-size optical fiber image inverter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |