CN201867055U - Tungsten-rhenium thermocouple fuse fixed-point furnace - Google Patents
Tungsten-rhenium thermocouple fuse fixed-point furnace Download PDFInfo
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- CN201867055U CN201867055U CN2010205969447U CN201020596944U CN201867055U CN 201867055 U CN201867055 U CN 201867055U CN 2010205969447 U CN2010205969447 U CN 2010205969447U CN 201020596944 U CN201020596944 U CN 201020596944U CN 201867055 U CN201867055 U CN 201867055U
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- heater
- corundum
- furnace
- breather pipe
- fuse
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Abstract
The utility model relates to a tungsten-rhenium thermocouple fuse fixed-point furnace, which comprises a positioning rack, a corundum ventilation pipe, heat insulation bricks and heaters made of conductive composite materials. Each heater is in a right-angle shape, a heating portion of the heater is positioned between the corundum ventilation pipe and a hearth wall, a cold end of the heater is connected with a heating wire through a heat insulation layer in the vertical direction, and nano high-temperature far-infrared paint is coated on the hearth inner wall at positions of the middle sections of the heaters. The tungsten-rhenium thermocouple fuse fixed-point furnace solves the problems of temperature rise speed of a high-temperature furnace and temperature control precision, is long in service life and convenient in mounting, and has the advantages of energy conservation and interference resistance.
Description
Technical field
The utility model relates to a kind of Wolfram rhenium heat electric couple fuse furnace for reproduction of fixed points.
Background technology
At present, China has become the iron and steel big producing country in the world, about 2.5 hundred million of the thermocouple of molten steel quick temperature measurement, Wolfram rhenium heat electric couple wherein accounts for more than 6,000 ten thousand, and Wolfram rhenium heat electric couple is defined as standardized thermocouple by International Electrotechnical Commission (IEC), because China is the resource big country of associated materials, raising along with the technological level of associated materials, its scope of application is progressively enlarging, because the serviceability temperature of Wolfram rhenium heat electric couple up to 2300 ℃, is controlled and use all is that problem to be solved is arranged.
Summary of the invention
The utility model is at present Wolfram rhenium heat electric couple temperature requirement height; problem rambunctious; a kind of Wolfram rhenium heat electric couple fuse furnace for reproduction of fixed points has been proposed; between 1000 ℃ to 1800 ℃ of temperature; adding towards protective gas makes the Wolfram rhenium heat electric couple of easy oxidation keep normal duty; solve the programming rate of high temperature furnace, temperature-controlled precision.
The technical solution of the utility model is: a kind of Wolfram rhenium heat electric couple fuse furnace for reproduction of fixed points, comprise outer furnace shell, locating rack, the corundum breather pipe, insulating brick, heater, specimen holder and upper-lower seal seat, locating rack is made of last lower connecting plate and bolt, wherein goes up lower connecting plate and links into an integrated entity by bolt; Pass the corundum breather pipe in the intermediate throughholes of locating rack, the last lower connecting plate of locating rack is stretched out at corundum breather pipe two ends respectively, corundum breather pipe lower end is connected with bottom sealing socket, bottom sealing socket is connected with source of the gas, the loam cake that stretch out by furnace shell corundum breather pipe upper end is connected with upper seal support, the top of upper seal support is specimen holder, several heaters evenly distribute in the stove, heater is a perpendicular type, the heater heating part is between corundum breather pipe and the hearth wall, and its cold junction is connected with heater wire by heat-insulation layer in its vertical direction.
Described heater is made by the composite of conductivity type, and the heater medium position is at inboard wall of burner hearth coating nano grade high temperature far ultrared paint.
The material of described specimen holder is a processable ceramic, and it seals by expansion type polytetrafluoroethylene (PTFE) and pressure ring and seal receptacle.
The beneficial effects of the utility model are: the utility model Wolfram rhenium heat electric couple fuse furnace for reproduction of fixed points, and the programming rate of solution high temperature furnace, the temperature-controlled precision problem, long service life, easy for installation, and have energy-conservation and jamproof characteristics.
Description of drawings
Fig. 1 is the utility model Wolfram rhenium heat electric couple fuse furnace for reproduction of fixed points structural representation.
The specific embodiment
Wolfram rhenium heat electric couple fuse furnace for reproduction of fixed points structural representation comprises outer furnace shell as shown in Figure 1, locating rack, corundum breather pipe 6, insulating brick 7, heater 5, specimen holder 1 and upper- lower seal seat 2,9.
Four heaters 5 are made by the composite of conductivity type, can guarantee that fire box temperature is stabilized in 1800 ℃ of heating parts and the cold junction shape that meets at right angles, cold junction passes the furnace wall and is connected with heating power supply, the heater medium position, at inboard wall of burner hearth coating nano grade high temperature far ultrared paint, reduce the temperature of fire door sample installing rack greatly.
Locating rack is made of last lower connecting plate 4,8 and bolt, wherein goes up lower connecting plate 4,8 and links into an integrated entity by bolt.
Pass corundum breather pipe 6 in the intermediate throughholes of locating rack, the last lower connecting plate 4,8 of locating rack is stretched out at corundum breather pipe 6 two ends respectively, wherein, corundum breather pipe 6 lower ends are connected with bottom sealing socket 9, bottom sealing socket 9 is connected with source of the gas, 3 is venthole, and the loam cake that stretch out by furnace shell corundum breather pipe 6 upper ends is connected with upper seal support 2.
The top of upper seal support 2 is specimen holder 1, the material of specimen holder 1 is a processable ceramic, it seals by expansion type polytetrafluoroethylene (PTFE) and pressure ring and seal receptacle, and there is seal receptacle at its middle part, and two thermocouple wires are connected with electric measuring system by upper- lower seal seat 2,9.
Claims (3)
1. Wolfram rhenium heat electric couple fuse furnace for reproduction of fixed points, it is characterized in that, comprise outer furnace shell, locating rack, corundum breather pipe (6), insulating brick (7), heater (5), specimen holder (1) and upper-lower seal seat (2,9), locating rack is made of last lower connecting plate (4,8) and bolt, wherein goes up lower connecting plate (4,8) and links into an integrated entity by bolt; Pass corundum breather pipe (6) in the intermediate throughholes of locating rack, the last lower connecting plate (4 of locating rack is stretched out at corundum breather pipe (6) two ends respectively, 8), corundum breather pipe (6) lower end is connected with bottom sealing socket (9), bottom sealing socket (9) is connected with source of the gas, the loam cake that stretch out by furnace shell corundum breather pipe (6) upper end is connected with upper seal support (2), the top of upper seal support (2) is specimen holder (1), several heaters (5) evenly distribute in the stove, heater (5) is a perpendicular type, heater (5) heating part is between corundum breather pipe (6) and the hearth wall, and its cold junction is connected with heater wire by heat-insulation layer in its vertical direction.
2. according to the described Wolfram rhenium heat electric couple fuse of claim 1 furnace for reproduction of fixed points, it is characterized in that described heater (5) is made by the composite of conductivity type, the heater medium position is at inboard wall of burner hearth coating nano grade high temperature far ultrared paint.
3. according to the described Wolfram rhenium heat electric couple fuse of claim 1 furnace for reproduction of fixed points, it is characterized in that the material of described specimen holder (1) is a processable ceramic, it seals by expansion type polytetrafluoroethylene (PTFE) and pressure ring and seal receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205969447U CN201867055U (en) | 2010-11-09 | 2010-11-09 | Tungsten-rhenium thermocouple fuse fixed-point furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205969447U CN201867055U (en) | 2010-11-09 | 2010-11-09 | Tungsten-rhenium thermocouple fuse fixed-point furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201867055U true CN201867055U (en) | 2011-06-15 |
Family
ID=44138207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205969447U Expired - Fee Related CN201867055U (en) | 2010-11-09 | 2010-11-09 | Tungsten-rhenium thermocouple fuse fixed-point furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201867055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134337A (en) * | 2011-11-25 | 2013-06-05 | 曹永锋 | Automatic temperature-control type fixation point furnace and method achieving temperature plateau by using the same |
| CN111044179A (en) * | 2019-12-05 | 2020-04-21 | 成都光明派特贵金属有限公司 | Method for manufacturing fixed point furnace gold fixed point bottle |
-
2010
- 2010-11-09 CN CN2010205969447U patent/CN201867055U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134337A (en) * | 2011-11-25 | 2013-06-05 | 曹永锋 | Automatic temperature-control type fixation point furnace and method achieving temperature plateau by using the same |
| CN103134337B (en) * | 2011-11-25 | 2016-03-09 | 曹永锋 | Automatic-temperature-control fixed-point furnace is used to generate the method for Wen Ping |
| CN111044179A (en) * | 2019-12-05 | 2020-04-21 | 成都光明派特贵金属有限公司 | Method for manufacturing fixed point furnace gold fixed point bottle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20151109 |
|
| EXPY | Termination of patent right or utility model |