CN213873794U - Arch-shaped porous furnace top structure of high-temperature electric furnace - Google Patents
Arch-shaped porous furnace top structure of high-temperature electric furnace Download PDFInfo
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- CN213873794U CN213873794U CN202022434639.4U CN202022434639U CN213873794U CN 213873794 U CN213873794 U CN 213873794U CN 202022434639 U CN202022434639 U CN 202022434639U CN 213873794 U CN213873794 U CN 213873794U
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Abstract
The utility model provides an arch porous high-temperature electric furnace top structure, which is provided with an outer cover plate, the bottom center of the outer cover plate is detachably connected with a central heat insulation block, the outer side of the central heat insulation block is provided with a plurality of peripheral heat insulation blocks which enclose a circular ring, and the peripheral heat insulation blocks are detachably connected with the outer cover plate; the top of the outer cover plate is provided with three electrode holes along the circumferential array of the outer cover plate, and the central heat insulation block is provided with abdicating holes corresponding to the electrode holes. The utility model discloses the support intensity of furnace roof has been strengthened to outer apron in china and abroad, and outer apron bottom sets up the insulating layer and is used for heat preservation thermal-insulated, and the insulating layer divide into central heat insulating block and a plurality of peripheral heat insulating block, and central heat insulating block and a plurality of peripheral heat insulating block all can dismantle between the apron and be connected, when central heat insulating block or peripheral heat insulating block damage in the use, direct replacement corresponding central heat insulating block, peripheral heat insulating block can, conveniently maintain, shorten the maintenance time.
Description
Technical Field
The utility model belongs to the technical field of the electric stove, concretely relates to porous high temperature electric stove furnace roof structure of arch.
Background
Among the prior art, chinese utility model patent that application number is CN201020163237.9 discloses a compound furnace roof of large-scale zinc powder ore-smelting electric stove, comprises brick built structure and the casting moulding structure two parts that are located brick built structure, and wherein the casting moulding structure is located the electrode region, and the structural three electrode hole that is equipped with of casting moulding is equipped with three charge door and three inspection hole on the brick built structure. Aiming at the problems of the furnace top of the large zinc powder ore-smelting electric furnace, the whole furnace top adopts a furnace top composite structure combining a brick structure and a casting molding structure. The electrode area of the furnace top is integrally prefabricated and formed by high-strength amorphous refractory materials, and a brick structure is still adopted outside the electrode area, so that the high-temperature strength of the furnace top is ensured, the furnace top is not deformed and is not easy to peel and crack, the sealing performance is good, and the service life is greatly prolonged.
However, in the prior art, after the furnace top with the brick-built structure cracks in the using process, the furnace top needs to be repaired after being integrally dismantled, so that the workload is large, the maintenance time is long, and the normal use of the electric furnace is influenced. Therefore, an arch-shaped porous high-temperature electric furnace top structure which is convenient to maintain and shortens the maintenance time is needed to be designed to solve the technical problems faced at present.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides an arch porous high-temperature electric furnace top structure which is convenient to maintain and shortens the maintenance time.
The technical scheme of the utility model is that: the arch-shaped porous high-temperature electric furnace top structure is provided with an outer cover plate, the center of the bottom of the outer cover plate is detachably connected with a central heat insulation block, a plurality of peripheral heat insulation blocks which enclose into a circular ring are arranged on the outer side of the central heat insulation block, and the peripheral heat insulation blocks are detachably connected with the outer cover plate; the top of the outer cover plate is provided with three electrode holes along the circumferential array of the outer cover plate, and the central heat insulation block is provided with abdicating holes corresponding to the electrode holes.
The top of central heat insulating block reaches peripheral heat insulating block all evenly is fixed and is provided with a plurality of connecting pieces, the connecting piece with can dismantle the connection between the apron.
The connecting piece is provided with an installation rod, an external thread is arranged at one end of the installation rod, and four connecting handles perpendicular to the installation rod are arranged at the other end of the installation rod in a surrounding array mode.
The end parts of the two opposite connecting handles are provided with extending handles, and the extending handles and the connecting handles are coaxially connected into an integral structure.
The extension handle is provided with a connecting pore canal which is vertical to the axis of the extension handle, and the connecting pore canal is a circular pore canal.
The outer side of the outer cover plate is provided with a skirt edge which is integrally structured with the outer cover plate in a surrounding mode, the peripheral heat insulation block is provided with a peripheral heat insulation plate body and a skirt edge heat insulation portion corresponding to the skirt edge, and the skirt edge heat insulation portion and the peripheral heat insulation plate body are connected into an integral structure.
The peripheral heat insulation board body is a 45-degree fan-shaped board body attached to the bottom of the outer cover plate.
The central heat insulation block is provided with a central heat insulation block body, and the central heat insulation block body is a circular plate body attached to the bottom of the outer cover plate.
The top of the outer cover plate is provided with four hooks along the circumferential edge.
The utility model has the advantages that:
(1) in the utility model, the supporting strength of the furnace top is enhanced by the outer cover plate, the bottom of the outer cover plate is provided with the thermal insulation layer for heat preservation and insulation, the thermal insulation layer is divided into the central thermal insulation block and the plurality of peripheral thermal insulation blocks, the central thermal insulation block and the plurality of peripheral thermal insulation blocks are detachably connected with the outer cover plate, when the central thermal insulation block or the peripheral thermal insulation blocks are damaged in the using process, the corresponding central thermal insulation block and the peripheral thermal insulation blocks are directly replaced, the maintenance is convenient, and the maintenance time is shortened;
(2) the heat insulation layer is split into the central heat insulation block and the peripheral heat insulation block, so that production and transportation are facilitated, and the production and transportation cost is reduced.
Drawings
Fig. 1 is one of the structural schematic diagrams of the arch-shaped porous high-temperature electric furnace top structure of the utility model.
Fig. 2 is a second structural schematic diagram of the arch-shaped porous high-temperature electric furnace top structure of the present invention.
Fig. 3 is a schematic structural view of the central heat insulation block of the present invention.
Fig. 4 is a schematic structural diagram of the peripheral heat insulation block of the present invention.
Fig. 5 is a schematic structural diagram of the connecting member of the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1 and 2, the arch porous high-temperature electric furnace top structure comprises an outer cover plate 1, wherein the center of the bottom of the outer cover plate 1 is detachably connected with a central heat insulation block 4, the outer side of the central heat insulation block 4 is provided with a plurality of peripheral heat insulation blocks 5 enclosing into a circular ring, the inner side of the enclosed circular ring is matched with the outer side of the central heat insulation block 4, and the peripheral heat insulation blocks 5 are detachably connected with the outer cover plate 1; the top of the outer cover plate 1 is provided with three electrode holes 2 along the circumference of the outer cover plate, and the central heat insulation block 4 is provided with abdicating holes 402 corresponding to the electrode holes 2; in the embodiment, the supporting strength of the furnace top is enhanced by the outer cover plate 1, the bottom of the outer cover plate 1 is provided with the heat insulation layer for heat preservation and insulation, the heat insulation layer is divided into the central heat insulation block 4 and the peripheral heat insulation blocks 5, the central heat insulation block 4 and the peripheral heat insulation blocks 5 are detachably connected with the outer cover plate 1, and when the central heat insulation block 4 or the peripheral heat insulation blocks 5 are damaged in the using process, the corresponding central heat insulation block 4 and the corresponding peripheral heat insulation blocks 5 are directly replaced, so that the maintenance is convenient, and the maintenance time is shortened; in addition, the heat insulation layer is split into the central heat insulation block 4 and the peripheral heat insulation block 5, so that production and transportation are facilitated, and the production and transportation cost is reduced.
As an embodiment of the detachable connection between the central heat insulation block 4 and the peripheral heat insulation block 5 and the outer shell 1, as shown in fig. 3 and 4, a plurality of connecting members 6 are uniformly and fixedly disposed on the top of the central heat insulation block 4 and the top of the peripheral heat insulation block 5, the connecting members 6 are detachably connected with the outer cover plate 1, the central heat insulation block 4 and the peripheral heat insulation block 5 are both formed by pouring refractory materials into a mold, and the connecting members 6 are poured and fixedly solidified inside the central heat insulation block 4 and the peripheral heat insulation block 5.
As a specific embodiment of the connecting member 6, the connecting member 6 has a mounting rod 601, one end of the mounting rod 601 is provided with an external thread 602, the outer cover plate 1 is provided with a through hole for the mounting rod 601 to pass through, the mounting rod 601 passes through the corresponding through hole and is then assembled and fixed at the top of the outer cover plate 1 by a nut, the other end of the mounting rod 601 is provided with four connecting handles 603 perpendicular to the mounting rod around the array, the connecting handles 603 and the mounting rod 601 are of an integrated structure formed by welding or casting, the contact area between the connecting member 6 and the refractory material is increased by the connecting handles 603, and the connection strength is improved; in order to further improve the connection strength, the end parts of the two opposite connecting handles 603 are provided with extension handles 604, the extension handles 604 and the connecting handles 603 are coaxially connected into an integral structure, and the contact area between the connecting piece 6 and the refractory material is further increased through the extension handles 604, namely the connection strength is further improved; the extension handle 604 is provided with a connecting hole 605 perpendicular to the axis thereof, the connecting hole 605 is a circular hole, the connecting hole 605 can be used for refractory materials to enter, and the refractory materials can be further connected with the connecting piece 6 after being solidified.
The skirt edge 7 integrated with the outer cover plate 1 is arranged around the outer side of the outer cover plate 1, the peripheral heat insulation block is provided with a peripheral heat insulation plate body 501 and a skirt edge heat insulation part 502 corresponding to the skirt edge 7, the skirt edge heat insulation part 502 is connected with the peripheral heat insulation plate body 501 to form an integrated structure, and the edge heat insulation part 502 and the peripheral heat insulation plate body 501 are cast and formed into an integrated structure; the peripheral heat insulation board body 501 is a 45-degree fan-shaped board body attached to the bottom of the outer cover plate 1, and eight identical peripheral heat insulation board bodies 501 can be enclosed to form a ring.
The central heat insulating block 4 has a central heat insulating block body 401, and the central heat insulating block body 401 is a circular plate body attached to the bottom of the outer cover plate 1.
In order to facilitate the hoisting of the furnace top, four lifting hooks 3 are arrayed at the top of the outer cover plate 1 along the circumferential edge of the outer cover plate, and the lifting hooks 3 are fixedly connected with the outer cover plate 1.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The arch-shaped porous furnace top structure of the high-temperature electric furnace is characterized by comprising an outer cover plate, wherein the center of the bottom of the outer cover plate is detachably connected with a central heat insulation block, a plurality of peripheral heat insulation blocks which surround to form a circular ring are arranged on the outer side of the central heat insulation block, and the peripheral heat insulation blocks are detachably connected with the outer cover plate; the top of the outer cover plate is provided with three electrode holes along the circumferential array of the outer cover plate, and the central heat insulation block is provided with abdicating holes corresponding to the electrode holes.
2. The arch-shaped porous high-temperature electric furnace roof structure according to claim 1, wherein: the top of central heat insulating block reaches peripheral heat insulating block all evenly is fixed and is provided with a plurality of connecting pieces, the connecting piece with can dismantle the connection between the apron.
3. The arch-shaped porous high-temperature electric furnace roof structure according to claim 2, wherein: the connecting piece is provided with an installation rod, an external thread is arranged at one end of the installation rod, and four connecting handles perpendicular to the installation rod are arranged at the other end of the installation rod in a surrounding array mode.
4. The arch-shaped porous high-temperature electric furnace roof structure according to claim 3, wherein: the end parts of the two opposite connecting handles are provided with extending handles, and the extending handles and the connecting handles are coaxially connected into an integral structure.
5. The arch-shaped porous high-temperature electric furnace roof structure according to claim 4, wherein: the extension handle is provided with a connecting pore canal which is vertical to the axis of the extension handle, and the connecting pore canal is a circular pore canal.
6. The arch-shaped porous high-temperature electric furnace roof structure according to claim 1, wherein: the outer side of the outer cover plate is provided with a skirt edge which is integrally structured with the outer cover plate in a surrounding mode, the peripheral heat insulation block is provided with a peripheral heat insulation plate body and a skirt edge heat insulation portion corresponding to the skirt edge, and the skirt edge heat insulation portion and the peripheral heat insulation plate body are connected into an integral structure.
7. The arch-shaped porous high-temperature electric furnace roof structure according to claim 6, wherein: the peripheral heat insulation board body is a 45-degree fan-shaped board body attached to the bottom of the outer cover plate.
8. The arch-shaped porous high-temperature electric furnace roof structure according to claim 1, wherein: the central heat insulation block is provided with a central heat insulation block body, and the central heat insulation block body is a circular plate body attached to the bottom of the outer cover plate.
9. The arch-shaped porous high-temperature electric furnace roof structure according to claim 1, wherein: the top of the outer cover plate is provided with four hooks along the circumferential edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434639.4U CN213873794U (en) | 2020-10-28 | 2020-10-28 | Arch-shaped porous furnace top structure of high-temperature electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022434639.4U CN213873794U (en) | 2020-10-28 | 2020-10-28 | Arch-shaped porous furnace top structure of high-temperature electric furnace |
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| Publication Number | Publication Date |
|---|---|
| CN213873794U true CN213873794U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022434639.4U Active CN213873794U (en) | 2020-10-28 | 2020-10-28 | Arch-shaped porous furnace top structure of high-temperature electric furnace |
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| CN (1) | CN213873794U (en) |
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