CN202181317U - Heating device of annealing furnace - Google Patents
Heating device of annealing furnace Download PDFInfo
- Publication number
- CN202181317U CN202181317U CN2011203127078U CN201120312707U CN202181317U CN 202181317 U CN202181317 U CN 202181317U CN 2011203127078 U CN2011203127078 U CN 2011203127078U CN 201120312707 U CN201120312707 U CN 201120312707U CN 202181317 U CN202181317 U CN 202181317U
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- heating
- insulation layer
- thermal insulation
- zone
- heat
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Abstract
The utility model discloses a heating device of an annealing furnace, which comprises a furnace wall (1), a heat-insulation layer (2) and a heating layer (3). The heat-insulation layer (2) is a high-temperature-resistant mullite cotton heat-insulation layer, and the heating layer (3) is a heating layer consisting of an electric heating band (5). The temperature of the inside of the annealing furnace is uniform, a heat-insulation effect is realized, and the quality of products cannot be affected.
Description
Technical field
The utility model relates to the heating unit field, especially a kind of lehre heating unit.
Background technology
Present annealing heating system adopts the wrapped formula of wire spiral.The boiler tube of annealing is lined up row's annealing boiler tube of prescribed distance and arranged, wrap up the boiler tube row that anneals with mica paper, exclusive around managing with the wire spiral that is installed with the porcelain bead that insulate, the assurance wire spiral does not contact with the annealing boiler tube and shines into short circuit.During the wire spiral energising, heat passes to lehre through magnetic bead and mica paper.Thermopair is installed in special-purpose temperature tube therein, and the wire spiral heating in a zone of temperature control that records according to thermopair makes that temperature remains on the temperature of requirement in the annealing boiler tube.Its shortcoming of heat is that the wire spiral heat is local directly conduction when lehre conducts; The distribution of wire spiral thermal value has determined to be added the distribution of the reception heat of heating anneal stove; The excellent heat conductivity property of stainless steel annealing boiler tube can make its longitudinal temperature even; But laterally not conduction between each root annealing boiler tube will be distributed and the decision temperature distribution by the wire spiral thermal value.It is to be difficult to accomplish uniformly that but the wire spiral thermal value distributes; So the temperature of respectively annealing between the boiler tube of lateral distribution often occurs inhomogeneous; And be not incubated; So cause through every behind lehre copper cash annealing grade difference, unit elongation is inconsistent, can influence quality product when serious to unacceptable degree.
The utility model content
In order to overcome the deficiency of prior art, the utility model provides a kind of lehre heating unit, and its temperature is even, and insulation, can not influence quality product.
Its technical scheme of the utility model solution is in order to achieve the above object: a kind of lehre heating unit comprises furnace wall, thermal insulation layer and zone of heating.Thermal insulation layer is the cotton thermal insulation layer of high temperature resistant mullite, and zone of heating is the ribbon heater zone of heating.
According to the embodiment of the utility model, said thermal insulation layer is close to the furnace wall internal surface.
According to the embodiment of the utility model, said zone of heating adopts the cylinder belt-like form to be close to the internal surface of thermal insulation layer.
The beneficial effect of the utility model is: temperature is even in the stove, and insulation, can not influence quality product.
Description of drawings
The utility model will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the sectional view of the utility model.
Reference numeral is: 1 is the furnace wall, and 2 is thermal insulation layer, and 3 is zone of heating.
Embodiment
Disclosed all characteristics in this specification sheets, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this specification sheets (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
A kind of lehre heating unit by shown in Figure 1 comprises furnace wall 1, thermal insulation layer 2 and zone of heating 3.Thermal insulation layer 2 is the cotton thermal insulation layer of high temperature resistant mullite, and zone of heating 3 is formed zone of heating for adopting several ribbon heaters.Thermal insulation layer 2 is close to furnace wall 1 internal surface, and zone of heating 3 adopts the zonal form of annulus to be close to the internal surface of thermal insulation layer 2.Can make its temperature even at work, and insulation, can not influence quality product.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (3)
1. lehre heating unit; Comprise furnace wall (1), thermal insulation layer (2) and zone of heating (3); Said thermal insulation layer (2) is arranged between furnace wall (1) and the zone of heating (2), and said thermal insulation layer (2) is that mullite is cotton, and zone of heating (3) is several ribbon heaters.
2. a kind of lehre heating unit according to claim 1 is characterized in that: thermal insulation layer (2) is close to the furnace wall internal surface.
3. a kind of lehre heating unit according to claim 1 is characterized in that: said ribbon heater is that annulus is banded, is close to the internal surface of thermal insulation layer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203127078U CN202181317U (en) | 2011-08-25 | 2011-08-25 | Heating device of annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203127078U CN202181317U (en) | 2011-08-25 | 2011-08-25 | Heating device of annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202181317U true CN202181317U (en) | 2012-04-04 |
Family
ID=46174360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203127078U Expired - Fee Related CN202181317U (en) | 2011-08-25 | 2011-08-25 | Heating device of annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202181317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372143A (en) * | 2014-10-31 | 2015-02-25 | 吴中区光福金怡五金配件厂 | Annealing furnace tube |
-
2011
- 2011-08-25 CN CN2011203127078U patent/CN202181317U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104372143A (en) * | 2014-10-31 | 2015-02-25 | 吴中区光福金怡五金配件厂 | Annealing furnace tube |
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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: 20120404 Termination date: 20120825 |