CN201499334U - Spiral molybdenum disilicide heating element - Google Patents
Spiral molybdenum disilicide heating element Download PDFInfo
- Publication number
- CN201499334U CN201499334U CN 200920232559 CN200920232559U CN201499334U CN 201499334 U CN201499334 U CN 201499334U CN 200920232559 CN200920232559 CN 200920232559 CN 200920232559 U CN200920232559 U CN 200920232559U CN 201499334 U CN201499334 U CN 201499334U
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- China
- Prior art keywords
- heating element
- heat generating
- generating part
- utility
- model
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2203/00—Aspects relating to Ohmic resistive heating covered by group H05B3/00
- H05B2203/018—Heaters using heating elements comprising mosi2
Abstract
The utility model discloses a spiral molybdenum disilicide heating element, which comprises a heating portion and two connecting terminal portions which are arranged on two ends of the heating portion. The heating element is characterized in that the heating portion is taken in the plane spiral structure, two initial ends of the heating portion are respectively and electrically connected to connecting terminals, and the heating element can concentrate on supplying heat to furnace tanks or work-pieces from one direction. In the formation of the heating element of the utility model, the heating portion occupies larger proportion, and the connecting terminal portions occupy smaller proportion. The heating element has the advantages of reaching purposes of quickly elevating temperature and saving resources and energy sources.
Description
Technical field
The utility model relates to a kind of heater element, especially relates to a kind of spiral type molybdenum silicide heating element that heat generating part has given shape.
Background technology
Molybdenum silicide heating element is a kind of resistance heating element of at high temperature working; it has excellent high-temperature oxidation resistance; quartz glass diaphragm of its surface generation one deck densification does not reoxidize with the protection heater element when heating in air; in case because of certain reason causes diaphragm to come off or breaks; use in oxidizing atmosphere if continue; its meeting " self-healing " promptly generates diaphragm automatically once more.Molybdenum silicide heating element has unique resistive performance, and its resistivity increases sharply with the rising of temperature, makes that heater element power when low temperature is bigger, and it is very fast that furnace temperature is raise, and power diminishes during high temperature, has avoided the material risk of overheating.The resistance of molybdenum silicide heating element does not change with service time, and just not aging, the old and new's element can mix use.In the electric furnace made from molybdenum silicide heating element, can realize low energy consumption, be rapidly heated, hang down maintenance expense, clean environment and stable product characteristics.
Existing molybdenum silicide heating element mainly is products such as U, L type on the market, himself simple shape, can only be applicable to common furnace equipment, and can not be applicable to the electric furnace of some specific (special) requirements, especially the electric furnace that needs special-shaped heater element, and prior art also is difficult to go out in post-production the molybdenum silicide heating element product of special shape.So be necessary to develop a kind of can be to the molybdenum silicide heating element that heats in a certain planar set.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of spiral type molybdenum silicide heating element is provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of spiral type molybdenum silicide heating element, it comprises heat generating part, two binding posts are arranged at the two ends of heat generating part, it is characterized in that described heat generating part is the snail structure, initial two ends in heat generating part, be electrically connected with binding post respectively, heat generating part is formed through the bending of energising high temperature (＞1200 ℃) by the strip molybdenum disilicide.
In order further to realize the purpose of this utility model, described heat generating part is the circular planar spiral structure.
The utility model compared with prior art can produce following good effect:
1) heat generating part is planar structure, can concentrate on a direction and supply heat to burner hearth or workpiece, and burner hearth or workpiece are rapidly heated.
2) the heat generating part proportion is bigger in whole heater element constitutes, and binding post portion proportion is less, has saved the resource and the energy.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is further described:
Accompanying drawing 1 is the vertical view of circular planar spiral structure of the present utility model;
Among Fig. 1: 1. heat generating part; 2. binding post; 3. binding post;
Accompanying drawing 2 is the front view of circular planar spiral structure of the present utility model;
Accompanying drawing 3 is vertical views of the utility model square planar helical structure;
Among Fig. 3: 1. heat generating part; 2. binding post portion 3. binding posts.
Fig. 4 is the front view of square planar helical structure.
Embodiment
In Fig. 1,2,3,4, a kind of spiral type molybdenum silicide heating element of the present utility model, it mainly is made of with two the binding post portions 2,3 that are located at heat generating part 1 two ends heat generating part 1, it is characterized in that: heat generating part 1 is the snail structure, initial two ends in heat generating part, be electrically connected with binding post 2,3 respectively, heat generating part 1 is formed through the bending of energising high temperature (＞1200 ℃) by cylindrical strip molybdenum disilicide bar.
In Fig. 1, Fig. 2, a kind of spiral type molybdenum silicide heating element of the present utility model, it mainly is made of with two the binding post portions 2,3 that are located at heat generating part 1 two ends heat generating part 1, it is characterized in that: heat generating part 1 rounded snail structure, initial two ends in heat generating part, be electrically connected with binding post 2,3 respectively, heat generating part 1 is formed through the bending of energising high temperature (＞1200 ℃) by cylindrical strip molybdenum disilicide bar.
In Fig. 3, Fig. 4, a kind of spiral type molybdenum silicide heating element of the present utility model, it mainly is made of with two the binding post portions 2,3 that are located at heat generating part 1 two ends heat generating part 1, the heat generating part 1 snail structure that is square, initial two ends in heat generating part, be electrically connected with binding post 2,3 respectively, heat generating part 1 is formed through the bending of energising high temperature (＞1200 ℃) by cylindrical strip molybdenum disilicide bar.
Claims (2)
1. spiral type molybdenum silicide heating element, it is made of heat generating part (1) and two binding post portions (2) of being located at heat generating part (1) two ends, it is characterized in that: described heat generating part (1) is the snail structure, at the initial two ends of heat generating part, is electrically connected with binding post (2,3) respectively.
2. a kind of spiral type molybdenum silicide heating element according to claim 1, it is characterized in that: described heat generating part (1) or for the circular planar spiral structure, perhaps be the square planar helical structure,, be electrically connected with binding post (2,3) respectively at the initial two ends of heat generating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920232559 CN201499334U (en) | 2009-09-16 | 2009-09-16 | Spiral molybdenum disilicide heating element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920232559 CN201499334U (en) | 2009-09-16 | 2009-09-16 | Spiral molybdenum disilicide heating element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201499334U true CN201499334U (en) | 2010-06-02 |
Family
ID=42442524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920232559 Expired - Fee Related CN201499334U (en) | 2009-09-16 | 2009-09-16 | Spiral molybdenum disilicide heating element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201499334U (en) |
-
2009
- 2009-09-16 CN CN 200920232559 patent/CN201499334U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20100916 |