CN204648959U - Burried arc furnace furnace cover structure - Google Patents
Burried arc furnace furnace cover structure Download PDFInfo
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- CN204648959U CN204648959U CN201520365573.4U CN201520365573U CN204648959U CN 204648959 U CN204648959 U CN 204648959U CN 201520365573 U CN201520365573 U CN 201520365573U CN 204648959 U CN204648959 U CN 204648959U
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Abstract
The utility model discloses a kind of burried arc furnace furnace cover structure, comprise the edge bell be formed by connecting by multiple fan-shaped housing, water jacket is respectively equipped with in each fan-shaped housing, center bell is fixed with at bell center, edge, center bell be circumference equal dividing three forked and in establish cooling jacket, center bell and edge bell form three installing holes be uniformly distributed along the circumference, water-cooled seal sleeve is respectively equipped with in each installing hole, each water cooled seal cover is uniformly distributed along the circumference and is fitted with material mouth, center material mouth is inserted with in the centre bore of center bell, alloy protecting layer is coated with at center bell and answering on fiery face of water-cooled seal sleeve corresponding burried arc furnace body of heater inner chamber.Beneficial effect is: structure is simple, substantially prolongs the service life of workpiece, saves larger production cost to user; The reflex to heat can be played, the heat utilization ratio in electric furnace can be improved; Can maintenance time be reduced, reduce human and material resources disbursement.
Description
Technical field
The utility model is in particular to a kind of burried arc furnace furnace cover structure.
Background technology
In recent years, domestic burried arc furnace development trend mainly maximizes and closure, airtight burried arc furnace has become the leading products of domestic electric furnace, and airtight burried arc furnace furnace gas composition is mainly high temperature, high-concentration carbon monoxide (, more than 600 degree, concentration is more than 80% for temperature).Because burried arc furnace magnetic field is larger, bell centre and trigonum and water-cooled seal sleeve must adopt antimagnetic stainless steel, high temperature, high-concentration carbon monoxide have extremely strong decarburization capacity, particularly to stainless steel, bell contacts with exposed stainless steel surfaces for a long time, very easily cause bell central module to answer the stainless steel decarburization in fiery face, cause stable material quality and intensity seriously to reduce, cause greatly shorten the service life of existing bell.
Summary of the invention
It is simple that technical problem to be solved in the utility model is to provide a kind of structure, can increase the service life, the burried arc furnace furnace cover structure saved production cost.
For solving the problem, the utility model adopts following technical scheme:
A kind of burried arc furnace furnace cover structure, comprise the edge bell be formed by connecting by multiple fan-shaped housing, water jacket is respectively equipped with in each fan-shaped housing, center bell is fixed with at bell center, edge, center bell be circumference equal dividing three forked and in establish cooling jacket, center bell and edge bell form three installing holes be uniformly distributed along the circumference, water-cooled seal sleeve is respectively equipped with in each installing hole, each water cooled seal cover is uniformly distributed along the circumference and is fitted with material mouth, center material mouth is inserted with in the centre bore of center bell, alloy protecting layer is coated with at center bell and answering on fiery face of water-cooled seal sleeve corresponding burried arc furnace body of heater inner chamber.
As preferably, described water-cooled seal sleeve is formed by connecting by supporting seat, seal receptacle and top board, establishes water-cooling sandwich in described supporting seat, supporting seat bottom for cone tubular, top be cannula-like.
As preferably, be respectively equipped with openable fire door in the outer rim of each fan-shaped housing, for situation in filler and observation stove.
As preferably, a fan-shaped housing upper surface is provided with access hole and is provided with access cover, for maintenance wherein.
As preferably, be uniformly distributed with venting along the circumference in the supporting seat bottom of water-cooled seal sleeve and be separately installed with Explosion-proof cap.
As preferably, on the bell of center, be provided with the packing seal being enclosed within center material mouth outer rim.
As preferably, described fan-shaped housing is six and two fan-shaped housings are provided with floss hole wherein.
The beneficial effects of the utility model are:
1, owing to being coated with alloy protecting layer at center bell and answering on fiery face of water-cooled seal sleeve corresponding burried arc furnace body of heater inner chamber; alloy protecting layer and surface of the work bond strength can reach 70MPa; superficial density is very big; the long-time stability at high operating temperatures of workpiece can be ensured; the available protecting effect to center bell and water-cooled seal sleeve surface can be played; structure is simple, substantially prolongs the service life of workpiece, saves larger production cost to user.
2, because alloy protecting layer has high compactness, the reflex to heat can be played, the heat utilization ratio in electric furnace can be improved.
3, can maintenance time be reduced, reduce human and material resources disbursement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the partial enlarged drawing of water-cooled seal sleeve in Fig. 2.
In figure: fire door 1, edge bell 2, material mouth 3, water-cooled seal sleeve 4; electrode column 5, center bell 6, bell water-cooled hanging 7, connecting plate 8; access cover 9, water jacket 10, packing seal 11, center material mouth 12; alloy protecting layer 13, fan-shaped housing 14, installing hole 15, floss hole 16; Connection Block 17, water inlet 18, delivery port 19, top board 20; seal receptacle 21, supporting seat 22, Explosion-proof cap 23.
Detailed description of the invention
As shown in Figure 1-Figure 3, a kind of burried arc furnace furnace cover structure that the utility model relates to, comprise the circular cone shape edge bell 2 be bolted by multiple fan-shaped housing 14, described fan-shaped housing 14 is preferably six, two fan-shaped housing 14 upper surfaces are respectively equipped with floss hole 16 wherein, for connecting flue and flue gas cleaning system.In each fan-shaped housing 14, be respectively equipped with water jacket 10, be respectively equipped with in each fan-shaped housing 14 outer rim the water inlet 18 and delivery port 19 that communicate with water jacket near two corner points.Center bell 6 is fixed with at edge bell 2 center, center bell 6 be circumference equal dividing three forked and in establish cooling jacket, connecting plate 8 is welded with respectively at the trident outer end upper surface of center bell 6, on edge bell 2, corresponding three connecting plate 8 places are welded with Connection Block 17 respectively, and described connecting plate 8 to be inserted respectively in corresponding Connection Block 17 and fixed by bearing pin.Center bell 6 is connected with three bell water-cooled hangings 7 by bearing pin circumference uniform distribution.Center material mouth 12 is inserted with in the centre bore of center bell 6, center material mouth 12 is formed by connecting by the outer tube be inserted in center bell 6 and the inner sleeve be inserted in outer sleeve upper mouth, is provided with the packing seal 11 being enclosed within center material mouth 12 outer tube outer rim on center bell 6.
Described center bell 6 and edge bell 2 form three installing holes 15 be uniformly distributed along the circumference, the water-cooled seal sleeve 4 for electrode insertion post 5 is fitted with respectively in each installing hole 15, described water-cooled seal sleeve 4 is formed by connecting respectively by bolt by supporting seat 22, seal receptacle 21 and top board 20, establish water-cooling sandwich in described supporting seat 22, supporting seat 22 bottom for cone tubular, top be cannula-like.Be uniformly distributed along the circumference in supporting seat 22 bottom of each water-cooled seal sleeve 4 and be fitted with multiple material mouth 3, in the present embodiment, each water-cooled seal sleeve 4 expects mouths 3 for four.Be uniformly distributed with venting along the circumference in supporting seat 22 bottom of water-cooled seal sleeve 4 and be separately installed with Explosion-proof cap 23 on each venting, in the present embodiment on each water-cooled seal sleeve 4 for four ventings.
Alloy protecting layer 13 is coated with the answering on fiery face of supporting seat 22 bottom corresponding burried arc furnace body of heater inner chamber of center bell 6 and each water-cooled seal sleeve 4.Openable fire door 1 is respectively equipped with, for situation in filler and observation stove in the outer rim of each fan-shaped housing 14.Fan-shaped housing 14 upper surface is provided with access hole and is provided with access cover 9, for maintenance wherein.
During installation, this burried arc furnace bell is covered at burried arc furnace body of heater suitable for reading, and hang center bell 6 by bell water-cooled hanging 7, then electrode column 5 is inserted respectively in water-cooled seal sleeve 4.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (7)
1. a burried arc furnace furnace cover structure, comprise the edge bell be formed by connecting by multiple fan-shaped housing, water jacket is respectively equipped with in each fan-shaped housing, it is characterized in that: be fixed with center bell at bell center, edge, center bell be circumference equal dividing three forked and in establish cooling jacket, center bell and edge bell form three installing holes be uniformly distributed along the circumference, water-cooled seal sleeve is respectively equipped with in each installing hole, each water cooled seal cover is uniformly distributed along the circumference and is fitted with material mouth, center material mouth is inserted with in the centre bore of center bell, alloy protecting layer is coated with at center bell and answering on fiery face of water-cooled seal sleeve corresponding burried arc furnace body of heater inner chamber.
2. burried arc furnace furnace cover structure according to claim 1, is characterized in that: described water-cooled seal sleeve is formed by connecting by supporting seat, seal receptacle and top board, establishes water-cooling sandwich in described supporting seat, and supporting seat bottom is cone tubular, top is cannula-like.
3. burried arc furnace furnace cover structure according to claim 1, is characterized in that: be respectively equipped with openable fire door in the outer rim of each fan-shaped housing, for situation in filler and observation stove.
4. the burried arc furnace furnace cover structure according to claim 1 or 3, is characterized in that: a fan-shaped housing upper surface is provided with access hole and is provided with access cover, for maintenance wherein.
5. burried arc furnace furnace cover structure according to claim 2, is characterized in that: be uniformly distributed with venting along the circumference in the supporting seat bottom of water-cooled seal sleeve and be separately installed with Explosion-proof cap.
6. burried arc furnace furnace cover structure according to claim 1, is characterized in that: on the bell of center, be provided with the packing seal being enclosed within center material mouth outer rim.
7. burried arc furnace furnace cover structure according to claim 4, is characterized in that: described fan-shaped housing is six and two fan-shaped housings are provided with floss hole wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365573.4U CN204648959U (en) | 2015-05-29 | 2015-05-29 | Burried arc furnace furnace cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365573.4U CN204648959U (en) | 2015-05-29 | 2015-05-29 | Burried arc furnace furnace cover structure |
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| CN204648959U true CN204648959U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520365573.4U Active CN204648959U (en) | 2015-05-29 | 2015-05-29 | Burried arc furnace furnace cover structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737623A (en) * | 2016-03-31 | 2016-07-06 | 通化建新科技有限公司 | Submerged arc furnace fume hood |
-
2015
- 2015-05-29 CN CN201520365573.4U patent/CN204648959U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737623A (en) * | 2016-03-31 | 2016-07-06 | 通化建新科技有限公司 | Submerged arc furnace fume hood |
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