CN203360498U - Lead device suitable for heating cover of annealing furnace - Google Patents
Lead device suitable for heating cover of annealing furnace Download PDFInfo
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- CN203360498U CN203360498U CN 201320406933 CN201320406933U CN203360498U CN 203360498 U CN203360498 U CN 203360498U CN 201320406933 CN201320406933 CN 201320406933 CN 201320406933 U CN201320406933 U CN 201320406933U CN 203360498 U CN203360498 U CN 203360498U
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- pipe
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- heating mantles
- annealing furnace
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Abstract
The utility model relates to the technical field of steelmaking annealing and discloses a lead device suitable for a heating cover of an annealing furnace. The lead device comprises a lead column, a first reducing pipe, an outer threaded pipe joint, an inner threaded reducing pipe joint, a second reducing pipe and an insulating medium, wherein the first reducing pipe is arranged outside the lead column; the large-diameter pipe joint of the first reducing pipe and the cover wall of the heating cover are limited from each other; the outer threaded pipe joint is arranged on the large-diameter pipe joint; the inner threaded reducing pipe joint is arranged on the outer threaded pipe joint and is in threaded connection with the outer threaded pipe joint; the second reducing pipe is arranged outside the cover wall of the heating cover and sleeved on the lead column; and the insulating medium is arranged between the second reducing pipe and the inner threaded reducing pipe joint. According to the lead device, the lead column, the first reducing pipe, the outer threaded pipe joint, the inner threaded reducing pipe joint, the second reducing pipe and the insulating medium form an effective sealing layer, so that high temperature in the heating cover is prevented from being emitted, and a clamping wire row and a copper core temperature-resistant sheath wire are effectively prevented from being burnt out by the emitted high temperature.
Description
Technical field
The utility model relates to steel-making annealing technology field, mainly is applicable to the thread guide devices of the heating mantles of annealing furnace.
Background technology
The full-hydrogen hood-type annealing furnace that current domestic steel industry is used has two kinds of gas heating and electrically heated usually.Wherein, electrical heater is divided into again two kinds of resistive band and Resistant heatings, and its thread guide devices is basic identical.32 of the existing bell type annealing furnaces of accurate band steel factory, have respectively tri-kinds of power of 900KW, 750KW and 300KW, and its thread guide devices as shown in Figure 1.In actual production, often occur that the high temperature in heating mantles sheds from the junction of stem, thereby the situation that the high temperature that the copper core heatproof RVV that causes clamp on stem row and rear end is shed burns out occurs, and then the work-ing life of having reduced heating mantles, impact is normal produces, and causes manufacture a finished product off quality.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of thread guide devices that is applicable to the heating mantles of annealing furnace, and the high temperature that it has avoided clamp row and copper core heatproof RVV to be shed effectively burns out.
For solving the problems of the technologies described above, the utility model provides a kind of thread guide devices that is applicable to the heating mantles of annealing furnace, comprising: stem, the first taper(ed)pipe, outside screw tube head, the accommodation of reducing internal thread, the second taper(ed)pipe and thermal insulation medium; Described the first taper(ed)pipe is arranged on the outside of described stem, and the large-diameter pipe head of the first taper(ed)pipe and the cover wall of heating mantles are mutually spacing; Described outside screw tube head is arranged on described large-diameter pipe head; The accommodation of described reducing internal thread is arranged on the outside screw tube head, and is threaded connection; Described the second taper(ed)pipe is arranged on outside the cover wall of described heating mantles, and is enclosed within on described stem; Described thermal insulation medium is arranged between the second taper(ed)pipe and the accommodation of reducing internal thread.
Further, the large-diameter portion of described reducing internal thread accommodation is arranged on described outside screw tube head, and is threaded connection; The large-diameter pipe head rest of described the second taper(ed)pipe is to the male-pipe head.
Further, also comprise: heat-resistant board; Offer through hole on described heat-resistant board, heat-resistant board is fixed on described stem; Binding has the bolt of copper core heatproof RVV through described through hole.
Further, described the first taper(ed)pipe and described the second taper(ed)pipe are the reducing temperature resistant pipe.
Further, described thermal insulation medium is the insulation asbestos.
The beneficial effects of the utility model are:
The thread guide devices of the heating mantles that is applicable to annealing furnace that the utility model provides, stem, the first taper(ed)pipe, outside screw tube head, the accommodation of reducing internal thread, the second taper(ed)pipe and thermal insulation medium are formed to an effective sealing ply, the high temperature of effectively having avoided clamp row and copper core heatproof RVV to be shed burns out, thereby reduced the over-heated fault rate of the heating mantles caused due to high temperature, extended the work-ing life of heating mantles, safeguarded and industrially normally carried out.
The accompanying drawing explanation
The structural representation that Fig. 1 is existing thread guide devices;
The structural representation of the thread guide devices of the heating mantles that is applicable to annealing furnace that Fig. 2 provides for the utility model embodiment.
Wherein, the cover wall of 1-heating mantles, 2-outside screw tube head, 3-the first reducing heatproof porcelain tube, 4-the second reducing heatproof porcelain tube, 5-is incubated asbestos, the 6-stainless steel plate, the accommodation of 7-reducing internal thread, 8-stainless steel stem, the 9-resistive band, 10-covers inner thermal insulating layer.
Embodiment
For further setting forth the utility model, be to reach technique means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, embodiment and the principle of work of the thread guide devices of the heating mantles that is applicable to annealing furnace that foundation be the utility model proposes are elaborated.
Referring to Fig. 2, the thread guide devices of the heating mantles that is applicable to annealing furnace that the utility model embodiment provides comprises: stainless steel stem 8, the first taper(ed)pipe, outside screw tube head 2, reducing internal thread accommodation 7, the second taper(ed)pipe and thermal insulation medium; The first taper(ed)pipe is arranged on the outside of stainless steel stem 8, and the large-diameter pipe head of the first taper(ed)pipe and the cover wall 1 of heating mantles are mutually spacing; Outside screw tube head 2 is arranged on the large-diameter pipe head; Reducing internal thread accommodation 7 is arranged on outside screw tube head 2, and is threaded connection; The second taper(ed)pipe is arranged on outside the cover wall 1 of heating mantles, and is enclosed within on stainless steel stem 8; Thermal insulation medium is arranged between the second taper(ed)pipe and reducing internal thread accommodation 7.Resistive band 9 tippings are in stainless steel stem 8.Particularly, the large-diameter portion of reducing internal thread accommodation 7 is arranged on outside screw tube head 2, and is threaded connection.The large-diameter pipe head rest of the second taper(ed)pipe is to male-pipe head 2.Further, the first taper(ed)pipe and the second taper(ed)pipe are reducing heatproof porcelain tube, are respectively the first reducing heatproof porcelain tube 3 and the second reducing heatproof porcelain tube 4, and the length of the first reducing heatproof porcelain tube 3 is between 280～320mm, and internal orifice dimension is 25mm; The length of the second reducing heatproof porcelain tube 4 is between 30～60mm.
For fear of the generation of becoming flexible the abnormal high temperature caused of the standing bolt because of stainless steel stem 8, the utility model also comprises: heat-resistant board; Offer the through hole that diameter is 12mm on heat-resistant board, heat-resistant board is fixed on stainless steel stem 8; Binding has the bolt of copper core heatproof RVV through through hole.Preferably, heat-resistant board is stainless steel plate 6, and length is 100mm, and width is 50mm, is highly 8mm.
Further, in the present embodiment, the length of outside screw tube head 2 is at 40～60mm; The length of stainless steel stem 8 is between 380～420mm; Thermal insulation medium is insulation asbestos 5.
The thread guide devices of the heating mantles that is applicable to annealing furnace that the utility model embodiment provides in use, by the first reducing heatproof porcelain tube 3, stainless steel stem 8, outside screw tube head 2, reducing internal thread accommodation 7, the second reducing heatproof porcelain tube 4 and insulation asbestos 5 form an effective sealing ply, can effectively avoid the copper core heatproof RVV of clamp on stainless steel stem 8 row and rear end to be burnt out by the high temperature shed the thermal insulation layer 10 from heating mantles, thereby reduced the over-heated fault rate of the heating mantles caused due to high temperature, extended the work-ing life of heating mantles, safeguarded and industrially normally carried out.In addition, because the stainless steel plate 6 of the bolt with copper core heatproof RVV firmly is connected with stainless steel stem 8, therefore avoided on the one hand the generation of stainless steel stem 8 because of the loosening abnormal high temperature caused of standing bolt; Due to the conduction of heat of stainless steel plate 6, the high temperature shed can be conducted in air on the other hand, thereby further avoid the generation of abnormal high temperature.
The thread guide devices of the heating mantles that is applicable to annealing furnace that the utility model embodiment provides, the first reducing heatproof porcelain tube 3, stainless steel stem 8, outside screw tube head 2, reducing internal thread accommodation 7, the second reducing heatproof porcelain tube 4 and insulation asbestos 5 are formed to an effective sealing ply, effectively avoided the high temperature that the copper core heatproof RVV of clamp on stainless steel stem 8 row and rear end is shed to burn out, thereby reduced the over-heated fault rate of the heating mantles caused due to high temperature, extended the work-ing life of heating mantles, safeguarded and industrially normally carried out.The utility model has not only guaranteed the quality manufactured a finished product, and has reduced the consumption (being mainly the silicon controlled rectifier of heatproof RVV, contact case copper sheet and upper end power distribution cabinet) of maintenance load and spare parts, has saved maintenance cost.The utility model has also reduced energy consumption, and having reduced does over again produces the consumption of needed water coolant, electricity and reducing gas.The utility model is rational in infrastructure, easy to maintenance, practical.
It should be noted last that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to example, the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (9)
1. a thread guide devices that is applicable to the heating mantles of annealing furnace, is characterized in that, comprising: stem, the first taper(ed)pipe, outside screw tube head, the accommodation of reducing internal thread, the second taper(ed)pipe and thermal insulation medium; Described the first taper(ed)pipe is arranged on the outside of described stem, and the large-diameter pipe head of the first taper(ed)pipe and the cover wall of heating mantles are mutually spacing; Described outside screw tube head is arranged on described large-diameter pipe head; The accommodation of described reducing internal thread is arranged on the outside screw tube head, and is threaded connection; Described the second taper(ed)pipe is arranged on outside the cover wall of described heating mantles, and is enclosed within on described stem; Described thermal insulation medium is arranged between the second taper(ed)pipe and the accommodation of reducing internal thread.
2. the thread guide devices that is applicable to the heating mantles of annealing furnace as claimed in claim 1, is characterized in that, the large-diameter portion of described reducing internal thread accommodation is arranged on described outside screw tube head, and is threaded connection; The large-diameter pipe head rest of described the second taper(ed)pipe is to the male-pipe head.
3. the thread guide devices that is applicable to the heating mantles of annealing furnace as claimed in claim 1 or 2, is characterized in that, also comprises: heat-resistant board; Offer through hole on described heat-resistant board, heat-resistant board is fixed on described stem; Binding has the bolt of copper core heatproof RVV through described through hole.
4. the thread guide devices that is applicable to the heating mantles of annealing furnace as claimed in claim 1 or 2, is characterized in that, described the first taper(ed)pipe and described the second taper(ed)pipe are the reducing temperature resistant pipe.
5. the thread guide devices that is applicable to the heating mantles of annealing furnace as claimed in claim 3, is characterized in that, described the first taper(ed)pipe and described the second taper(ed)pipe are the reducing temperature resistant pipe.
6. the thread guide devices that is applicable to the heating mantles of annealing furnace as claimed in claim 1 or 2, is characterized in that, described thermal insulation medium is the insulation asbestos.
7. the thread guide devices that is applicable to the heating mantles of annealing furnace as claimed in claim 3, is characterized in that, described thermal insulation medium is the insulation asbestos.
8. the thread guide devices that is applicable to the heating mantles of annealing furnace as claimed in claim 4, is characterized in that, described thermal insulation medium is the insulation asbestos.
9. the thread guide devices that is applicable to the heating mantles of annealing furnace as claimed in claim 5, is characterized in that, described thermal insulation medium is the insulation asbestos.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320406933 CN203360498U (en) | 2013-07-09 | 2013-07-09 | Lead device suitable for heating cover of annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320406933 CN203360498U (en) | 2013-07-09 | 2013-07-09 | Lead device suitable for heating cover of annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203360498U true CN203360498U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320406933 Expired - Fee Related CN203360498U (en) | 2013-07-09 | 2013-07-09 | Lead device suitable for heating cover of annealing furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN203360498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214339A (en) * | 2014-09-27 | 2014-12-17 | 零八一电子集团四川力源电子有限公司 | Leading wire post sealing structure of high-speed electric magnet |
-
2013
- 2013-07-09 CN CN 201320406933 patent/CN203360498U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214339A (en) * | 2014-09-27 | 2014-12-17 | 零八一电子集团四川力源电子有限公司 | Leading wire post sealing structure of high-speed electric magnet |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20170709 |