CN216385070U - Novel smelting pot lining structure - Google Patents
Novel smelting pot lining structure Download PDFInfo
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- CN216385070U CN216385070U CN202122290392.8U CN202122290392U CN216385070U CN 216385070 U CN216385070 U CN 216385070U CN 202122290392 U CN202122290392 U CN 202122290392U CN 216385070 U CN216385070 U CN 216385070U
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Abstract
The utility model discloses a novel smelting furnace lining structure which comprises a furnace body, wherein a furnace shell is welded outside the furnace body, an aluminum silicate fiber heat-insulating plate layer, a light heat-insulating brick layer, an anti-seepage material layer and an anti-seepage crack layer are sequentially arranged on the side surface and the bottom surface inside the furnace body from outside to inside, and a fiber blanket heat-insulating layer, a furnace top hanging brick layer and a fire-resistant layer are sequentially arranged on the top surface inside the furnace body from outside to inside; the middle and upper parts of the side surface in the furnace body are respectively provided with an anchoring piece, and one end of the anchoring piece penetrates through the furnace body and is welded with the furnace shell. The furnace adopts the cooperation of the high-brick aluminum layer and the high-performance non-stick aluminum pouring layer, can avoid the cracking and aluminizing of the furnace body, reduces the cost on the basis of ensuring the performance of the furnace body, has good social and practical values, and is easy to popularize.
Description
The technical field is as follows:
the utility model relates to a brick-concrete structure type furnace lining, in particular to a novel furnace lining structure.
Background art:
for a long time, the lining structure of a smelting furnace used in the aluminum processing industry generally adopts a bricklaying type or a pouring type; the furnace lining plays a vital role in the service life of the aluminum melting furnace and the heat preservation performance of the furnace, and the furnace lining is built in three modes: mainly comprises a pure high-alumina brick masonry structure, an unshaped refractory material integral pouring structure and a brick-concrete structure.
At present, most of domestic lining of aluminum melting furnaces still use high-alumina bricks as main lining materials of molten pools, the aluminum melting furnaces built by the high-alumina bricks are convenient for material selection and purchase, mature in construction scheme, easy to bake and low in manufacturing cost, and therefore become main factors for most of users to adopt the high-alumina bricks; however, in terms of practical use, the high-alumina brick has a great disadvantage in terms of erosion resistance, particularly, the erosion phenomenon is more serious at a slag line part, and in practice, the average service life of a furnace lining built by adopting the conventional high-alumina brick is only about 3 years.
The utility model has the following contents:
the technical problem to be solved by the utility model is as follows: the lining structure of the smelting furnace has the advantages of good overall structure, good thermal shock property, no brick joints and good aluminum seepage prevention effect, reduces the cost and ensures the performance of the furnace.
The technical scheme adopted by the utility model for solving the technical problem is as follows:
a novel smelting furnace lining structure comprises a furnace body, wherein a furnace shell is welded outside the furnace body, an aluminum silicate fiber heat-insulating plate layer, a light heat-insulating brick layer, an anti-seepage material layer and an anti-seepage crack layer are sequentially arranged on the side surface and the bottom surface inside the furnace body from outside to inside, and a fiber blanket heat-insulating layer, a furnace top hanging brick layer and a fire-resistant layer are sequentially arranged on the top surface inside the furnace body from outside to inside; the middle and upper parts of the side surface in the furnace body are respectively provided with an anchoring piece, and one end of the anchoring piece penetrates through the furnace body and is welded with the furnace shell.
The anti-cracking layer consists of a high-alumina brick layer and a non-stick aluminum material layer, the high-alumina brick layer is arranged at a position above the middle part of the inner side surface of the furnace body, the non-stick aluminum material layer is arranged at a position below the middle part and at the bottom of the inner side surface of the furnace body, and the high-alumina brick layer and the non-stick aluminum material layer are both positioned inside the anti-cracking layer.
The non-stick aluminum material layer is formed by processing a high-performance non-stick aluminum casting material.
At least four rows of furnace top hanging brick layers are arranged at the top of the furnace body, each row of furnace top hanging brick layer is composed of at least five furnace top hanging bricks, and fire-resistant layers are respectively arranged between the adjacent furnace top hanging brick layers and at the lowest end of each row of furnace top hanging brick layers.
The anchoring pieces are distributed in a Y shape and are processed from stainless steel materials; the outside of the anchoring piece is wound with a plastic adhesive tape, and the outside of the anchoring piece is filled with an amorphous refractory material.
The right end of the furnace body is provided with a furnace door opening.
The top of the furnace roof hanging brick layer is positioned inside the fiber blanket heat-insulating layer.
The thickness of the high-aluminum brick layer is consistent with that of the non-stick aluminum material layer.
The utility model has the following positive beneficial effects:
1. the high-alumina bricks are respectively arranged at the positions of the top in the furnace body and the middle upper part of the inner side surface of the furnace body, and the high-alumina bricks are not contacted with aluminum liquid, so that the cost can be reduced and the performance of the furnace can be ensured by adopting the high-alumina bricks.
2. According to the utility model, the high-performance non-stick aluminum casting material is arranged at the position of the middle upper part and the lower upper part of the inner side surface of the furnace body, so that the phenomena of cracking, aluminizing and the like of the furnace body can be greatly reduced after long-term use, and the cost of an enterprise is reduced.
3. The utility model effectively solves the defects of easy cracking and instability of the traditional brick wall body by welding the anchoring piece on the inner wall of the furnace body and filling the periphery of the anchoring piece with unshaped refractory materials.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the utility model will be further explained and explained with reference to the drawings, in which:
example (b): referring to fig. 1, a novel lining structure of a smelting furnace comprises a furnace body, wherein a furnace shell 1 is welded outside the furnace body, an aluminum silicate fiber heat-insulating plate layer 2, a light heat-insulating brick layer 3, an anti-seepage material layer 4 and an anti-seepage layer are sequentially arranged on the side surface and the bottom surface inside the furnace body from outside to inside, and a fiber blanket heat-insulating layer 9, a furnace top hanging brick layer 10 and a fire-resistant layer 11 are sequentially arranged on the top surface inside the furnace body from outside to inside; the middle and upper parts of the inner side surface of the furnace body are respectively provided with an anchoring piece 8, and one end of the anchoring piece 8 penetrates through the furnace body and is welded with the furnace shell 1.
The anti-crack layer consists of a high-alumina brick layer 6 and a non-stick aluminum material layer 5, the high-alumina brick layer 6 is arranged at the position above the middle part of the inner side surface of the furnace body, the non-stick aluminum material layer 5 is arranged at the position below the middle part and at the bottom of the inner side surface of the furnace body, and the high-alumina brick layer 6 and the non-stick aluminum material layer 5 are both positioned inside the anti-crack material layer 4. (that is, a high-alumina brick layer is arranged outside the anti-seepage casting material layer above the middle part of the inner side surface of the furnace, and a non-stick aluminum material layer of the anti-seepage casting material layer is arranged on the side surface and the bottom part below the middle part of the furnace)
The non-stick aluminum material layer 5 is formed by processing high-performance non-stick aluminum casting materials.
At least four rows of top hanging brick layers 10 are arranged at the top of the furnace body, each row of top hanging brick layers 10 consists of at least five top hanging bricks, and fire-resistant layers 11 are respectively arranged between the adjacent top hanging brick layers 10 and at the lowest end of each row of top hanging brick layers 10. (meaning: the refractory layer wraps the ceiling brick layer 10 inside)
The anchoring pieces 8 are distributed in a Y shape, and the anchoring pieces 8 are made of stainless steel materials; the outside of the anchoring member 8 is wound with a plastic tape (to prevent thermal expansion and bursting of the unshaped refractory 7), and the outside of the anchoring member 8 is filled with the unshaped refractory 7.
The right end of the furnace body is provided with a furnace door 12.
The top of the ceiling hanging brick layer 10 is positioned inside the fiber blanket heat-insulating layer 9.
The thickness of the high-alumina brick layer 6 is consistent with that of the non-stick aluminum material layer 5.
In the above description, the side surfaces refer to three side surfaces in the furnace; the position below the middle part in the furnace is contacted with the aluminum liquid, and the position above the middle part in the furnace is not contacted with the aluminum liquid.
In the above description, the part of the furnace molten pool in direct contact with the molten aluminum, namely the position below the middle part of the inner side surface of the furnace, is made of novel non-stick aluminum casting material, so that the phenomena of cracking and aluminizing of the furnace body can be greatly reduced, the integrity is good, the molten aluminum is not easy to etch, and the impact of a smelting tool in the operation process is resisted.
In the above description, the parts above the molten pool, i.e. the positions above the middle part in the furnace, are built by adopting standard high-alumina bricks, so that the cost is reduced, and the construction process is simple and efficient.
In the above description, the stainless steel anchor is welded to the furnace shell, and during brick laying, a vacant site is required to be reserved for welding the stainless steel anchor, and then the gap around the stainless steel anchor is poured and filled with an unshaped refractory material, at this time, the brick laying wall is firmly integrated with the aluminum silicate fiber insulation laminate, the light insulation brick layer, the impermeable pouring material layer and the high aluminum brick layer (the high aluminum brick layer on the inner side surface of the furnace body).
The inner wall of the furnace adopts the matching use of the high brick aluminum layer and the high-performance non-stick aluminum pouring layer, so that the cracking and aluminizing of the furnace body can be avoided, the cost is reduced on the basis of ensuring the performance of the furnace body, and the furnace has good social and practical values and is easy to popularize.
Claims (8)
1. The utility model provides a novel smelting pot lining structure, includes the furnace body, its characterized in that: the furnace body is welded with a furnace shell (1) outside, the side surface and the bottom surface inside the furnace body are sequentially provided with an aluminum silicate fiber heat-insulating plate layer (2), a light heat-insulating brick layer (3), an anti-seepage material layer (4) and an anti-seepage crack layer from outside to inside, and the top surface inside the furnace body is sequentially provided with a fiber blanket heat-insulating layer (9), a furnace top hanging brick layer (10) and a fire-resistant layer (11) from outside to inside; the middle and upper parts of the inner side surface of the furnace body are respectively provided with an anchoring piece (8), and one end of the anchoring piece (8) penetrates through the furnace body and is welded with the furnace shell (1).
2. The novel furnace lining structure of claim 1, wherein: the anti-cracking layer is composed of a high-alumina brick layer (6) and a non-stick aluminum material layer (5), the high-alumina brick layer (6) is arranged at a position above the middle part of the inner side surface of the furnace body, the non-stick aluminum material layer (5) is arranged at a position below the middle part and at the bottom of the inner side surface of the furnace body, and the high-alumina brick layer (6) and the non-stick aluminum material layer (5) are both positioned inside the anti-cracking layer (4).
3. The novel furnace lining structure of claim 2, wherein: the non-stick aluminum material layer (5) is formed by processing a high-performance non-stick aluminum casting material.
4. The novel furnace lining structure of claim 1, wherein: at least four rows of furnace top hanging brick layers (10) are arranged at the top of the furnace body, each row of furnace top hanging brick layers (10) is composed of at least five furnace top hanging bricks, and fire-resistant layers (11) are respectively arranged between the adjacent furnace top hanging brick layers (10) and at the lowest end of each row of furnace top hanging brick layers (10).
5. The novel furnace lining structure of claim 1, wherein: the anchoring pieces (8) are distributed in a Y shape, and the anchoring pieces (8) are made of stainless steel materials; the outside of the anchoring piece (8) is wound with a plastic adhesive tape, and the outside of the anchoring piece (8) is filled with an amorphous refractory material (7).
6. The novel furnace lining structure of claim 1, wherein: the right end of the furnace body is provided with a furnace door opening (12).
7. The novel furnace lining structure of claim 4, wherein: the top of the furnace roof hanging brick layer (10) is positioned inside the fiber blanket heat-insulating layer (9).
8. The novel furnace lining structure of claim 2, wherein: the thickness of the high-alumina brick layer (6) is consistent with that of the non-stick aluminum material layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122290392.8U CN216385070U (en) | 2021-09-22 | 2021-09-22 | Novel smelting pot lining structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122290392.8U CN216385070U (en) | 2021-09-22 | 2021-09-22 | Novel smelting pot lining structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216385070U true CN216385070U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122290392.8U Active CN216385070U (en) | 2021-09-22 | 2021-09-22 | Novel smelting pot lining structure |
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| Country | Link |
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| CN (1) | CN216385070U (en) |
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2021
- 2021-09-22 CN CN202122290392.8U patent/CN216385070U/en active Active
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