CN220689779U - Heat insulation device for prolonging service life of water-cooled furnace cover blanking port of refining furnace - Google Patents
Heat insulation device for prolonging service life of water-cooled furnace cover blanking port of refining furnace Download PDFInfo
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- CN220689779U CN220689779U CN202321654202.9U CN202321654202U CN220689779U CN 220689779 U CN220689779 U CN 220689779U CN 202321654202 U CN202321654202 U CN 202321654202U CN 220689779 U CN220689779 U CN 220689779U
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- water
- heat insulation
- cooled
- refining furnace
- service life
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- 238000007670 refining Methods 0.000 title claims abstract description 41
- 238000009413 insulation Methods 0.000 title claims abstract description 34
- 239000011819 refractory material Substances 0.000 claims abstract description 13
- 238000004873 anchoring Methods 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The utility model relates to a heat insulation device for prolonging service life of a blanking opening of a water-cooled furnace cover of a refining furnace, which comprises a heat insulation plate, wherein the heat insulation plate is obliquely arranged below the blanking opening of the water-cooled furnace cover of the refining furnace and comprises a guard plate, the guard plate is fixedly connected with the inner wall of the top of the water-cooled furnace cover of the refining furnace, a surrounding plate is connected along the periphery of the guard plate, a plurality of anchor nails are fixedly connected with the lower surface of the guard plate in the surrounding plate, refractory materials are filled in the surrounding plate, and the anchor nails are covered by the refractory materials. The heat insulation plate is high-temperature resistant, is not easy to deform, prolongs the service life of the blanking opening of the water-cooled furnace cover of the refining furnace, and shortens the unscheduled overhaul time.
Description
Technical Field
The utility model relates to a refining furnace, in particular to a heat insulation device for prolonging the service life of a feed opening of a water-cooled furnace cover of the refining furnace.
Background
The refining furnace is roasted by high-temperature molten steel for a long time in the production process, so that a feed opening of a water-cooled furnace cover of the refining furnace is often damaged and lost due to oxidation deformation, part of materials are scattered outside a molten steel tank, the consumption of the materials is increased, the number of times of unplanned overhaul is increased, the refining operation efficiency is restricted to a certain extent, and the stable and smooth production is influenced.
The leakage-proof water-cooling furnace cover of the refining furnace comprises a furnace cover body, wherein a water inlet main coil pipe, a water return branch pipe, a blanking hole and a wire feeding hole are arranged on the furnace cover body, overhaul skylights connected with an inner cavity of the water inlet main coil pipe are arranged on the water inlet main coil pipe at intervals, and an arc-shaped heat insulation plate is arranged on the inner wall of the water inlet main coil pipe between the blanking hole and the wire feeding hole. The arc-shaped heat insulation plate protects the main coil body and does not protect the blanking hole. And the heating surface of the arc-shaped heat insulation plate is a steel plate, so that the heat conduction is quick.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a heat insulation device for prolonging the service life of a feed opening of a water-cooled furnace cover of a refining furnace, and solves the problem that the feed opening of the water-cooled furnace cover of the refining furnace is deformed by heating.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an extension refining furnace water-cooled bell feed opening life-span's heat insulating device, includes the heat insulating board, the heat insulating board slope sets up the below at the feed opening of refining furnace water-cooled bell, including backplate, backplate and refining furnace water-cooled bell top inner wall fixed connection, along backplate periphery connection bounding wall, the lower fixed surface of backplate in the bounding wall connects a plurality of anchor nail, the refractory material is filled in to the bounding wall, refractory material is with anchor nail cladding in.
As a further scheme of the utility model, the angle A between the heat insulation plate and the inner wall of the top of the water-cooled furnace cover of the refining furnace is 30-50 degrees.
As a further scheme of the utility model, the guard plate is of a trapezoid structure.
As a further scheme of the utility model, the height of the coaming plate is 100-130mm.
As a further proposal of the utility model, the spacing of the anchoring nails is 30-40mm.
As a further proposal of the utility model, the height of the anchoring nail is less than 10-15mm of the coaming plate.
Compared with the prior art, the utility model has the beneficial effects that:
the heat insulation plate is high-temperature resistant, is not easy to deform, prolongs the service life of the blanking opening of the water-cooled furnace cover of the refining furnace, and shortens the unscheduled overhaul time.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of a heat insulating plate.
Fig. 3 is a schematic structural view of the guard plate.
In the figure: the heat insulation plate 1, the water-cooling furnace cover 2 of the refining furnace, the feed opening 3, the guard plate 4, the coaming 5, the anchor nails 6 and the refractory material 7.
Detailed Description
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
1-3, a heat insulation device for prolonging service life of a feed opening of a water-cooled furnace cover of a refining furnace comprises a heat insulation plate 1, wherein the heat insulation plate 1 is obliquely arranged below the feed opening 3 of the water-cooled furnace cover 2 of the refining furnace and comprises a guard plate 4, the guard plate 4 is fixedly connected with the inner wall of the top of the water-cooled furnace cover 2 of the refining furnace, a surrounding plate 5 is connected along the periphery of the guard plate 4, a plurality of anchor nails 6 are fixedly connected with the lower surface of the guard plate 4 in the surrounding plate 5, refractory materials 7 are filled in the surrounding plate 5, and the refractory materials cover the anchor nails 7.
The angle A between the heat insulation plate and the inner wall of the top of the water-cooled furnace cover of the refining furnace is 30-50 degrees. The blanking can enter the argon blowing center point of the molten steel tank.
The guard board 4 is of a trapezoid structure.
The height of the coaming plate 5 is 100-130mm.
The distance between the anchoring nails 6 is 30-40mm, and the height of the anchoring nails 6 is smaller than the height of the coaming 5 by 10-15mm.
In order to make the purposes, technical schemes and technical effects of the utility model clearer, the technical schemes in the embodiments of the utility model are clearly and completely described. The embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without the benefit of the teachings of this utility model, are intended to be within the scope of the utility model.
Example 1
The heat insulation device for prolonging service life of a blanking port of a water-cooled furnace cover of a refining furnace comprises a heat insulation plate 1, wherein the heat insulation plate 1 is obliquely arranged below a blanking port 3 of the water-cooled furnace cover 2 of the refining furnace, and an angle A between the heat insulation plate 1 and the inner wall of the top of the water-cooled furnace cover of the refining furnace is 45 degrees.
The heat insulation plate 1 comprises a guard plate 4, the guard plate 4 is a steel plate, the guard plate 4 is fixedly connected with the inner wall of the top of the water-cooled furnace cover 2 of the refining furnace, and the guard plate 4 is of a trapezoid structure. The upper bottom is 350mm, the lower bottom is 450mm, and the height is 500mm.
And a coaming 5 is connected along the periphery of the guard plate 4, and the height of the coaming 5 is 100mm.
The lower surface of the guard plate 4 in the coaming 5 is fixedly connected with a plurality of anchor nails 6, and the spacing between the anchor nails 6 is 30mm. The height of the anchor studs 6 is 90mm. The coaming 5 is filled with a refractory material 7, and the refractory material covers the 7 anchoring nails.
Example 2
The heat insulation device for prolonging service life of a blanking port of a water-cooled furnace cover of a refining furnace comprises a heat insulation plate 1, wherein the heat insulation plate 1 is obliquely arranged below a blanking port 3 of the water-cooled furnace cover 2 of the refining furnace, and an angle A between the heat insulation plate 1 and the inner wall of the top of the water-cooled furnace cover of the refining furnace is 50 degrees.
The heat insulation plate 1 comprises a guard plate 4, the guard plate 4 is a steel plate, the guard plate 4 is fixedly connected with the inner wall of the top of the water-cooled furnace cover 2 of the refining furnace, and the guard plate 4 is of a trapezoid structure. The upper bottom is 360mm, the lower bottom is 460mm, and the height is 500mm.
The coaming 5 is connected along the periphery of the guard plate 4, and the height of the coaming 5 is 105mm.
The lower surface of the guard plate 4 in the coaming 5 is fixedly connected with a plurality of anchor nails 6, and the height of the anchor nails 6 is 95mm. The spacing of the anchor studs 6 is 35mm.
The coaming 5 is filled with a refractory material 7, and the refractory material covers the 7 anchoring nails.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an extension refining furnace water-cooled bell feed opening life-span's heat insulating device, its characterized in that includes the heat insulating board, the heat insulating board slope sets up in the below of the feed opening of refining furnace water-cooled bell, including backplate, backplate and refining furnace water-cooled bell top inner wall fixed connection, along backplate periphery connection bounding wall, the lower fixed surface of backplate in the bounding wall connects a plurality of anchor nail, packs refractory material in the bounding wall, and refractory material is with anchor nail cladding.
2. The heat insulation device for prolonging service life of a feed opening of a water-cooled furnace cover of a refining furnace according to claim 1, wherein an angle A between the heat insulation plate and the inner wall of the top of the water-cooled furnace cover of the refining furnace is 30-50 degrees.
3. The heat insulation device for prolonging service life of water-cooled furnace cover feed opening of refining furnace according to claim 1, wherein the guard plate is of a trapezoid structure.
4. The heat insulation device for prolonging service life of water-cooled furnace cover feed opening of refining furnace according to claim 1, wherein the height of the coaming plate is 100-130mm.
5. The heat insulation device for prolonging service life of water-cooled furnace cover feed opening of refining furnace according to claim 1, wherein the distance between the anchoring nails is 30-40mm.
6. The heat insulation device for prolonging service life of water-cooled furnace cover feed opening of refining furnace according to claim 1, wherein the height of the anchoring nail is less than 10-15mm of the height of the coaming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321654202.9U CN220689779U (en) | 2023-06-26 | 2023-06-26 | Heat insulation device for prolonging service life of water-cooled furnace cover blanking port of refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321654202.9U CN220689779U (en) | 2023-06-26 | 2023-06-26 | Heat insulation device for prolonging service life of water-cooled furnace cover blanking port of refining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220689779U true CN220689779U (en) | 2024-03-29 |
Family
ID=90408199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321654202.9U Active CN220689779U (en) | 2023-06-26 | 2023-06-26 | Heat insulation device for prolonging service life of water-cooled furnace cover blanking port of refining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220689779U (en) |
-
2023
- 2023-06-26 CN CN202321654202.9U patent/CN220689779U/en active Active
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