CN216347776U - Door lintel structure of aluminum melting heat preservation furnace - Google Patents
Door lintel structure of aluminum melting heat preservation furnace Download PDFInfo
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- CN216347776U CN216347776U CN202122710712.0U CN202122710712U CN216347776U CN 216347776 U CN216347776 U CN 216347776U CN 202122710712 U CN202122710712 U CN 202122710712U CN 216347776 U CN216347776 U CN 216347776U
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- refractory material
- material prefabricated
- heat preservation
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- preservation furnace
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Abstract
The utility model belongs to the technical field of aluminum product production, and provides an aluminum melting heat preservation furnace door lintel structure. The provided door lintel structure of the aluminum melting heat preservation furnace consists of a refractory material prefabricated part and a replaceable metal protection plate; a hoisting bolt and a built-in nut are embedded in the refractory material prefabricated part; the hoisting bolt is used for installing a door lintel; the built-in nut is connected with the metal guard plate through a bolt; the metal guard plate is arranged right in front of the refractory material prefabricated part, and a fiber lining is laid between the metal guard plate and the refractory material prefabricated part. The utility model effectively avoids the damage of the refractory material prefabricated member caused by mechanical external force, and the metal guard plate has replaceability, thereby effectively prolonging the service life and improving the reliability of the door lintel.
Description
Technical Field
The utility model belongs to the technical field of aluminum product production, and particularly relates to an aluminum melting heat preservation furnace door lintel structure.
Background
In the continuous casting and rolling process of aluminum, the aluminum melting holding furnace simultaneously bears the functions of heat preservation and aluminum refining. The whole aluminum melting heat preservation furnace is rectangular, the length of a furnace door frame is large, a door head generally adopts a hanging structure, and the door head is required to be well matched with a furnace door, so that the pressure in the furnace is ensured to be stable, the phenomena of cold air suction from the atmosphere and fire generation are avoided, and the energy consumption is effectively saved.
At present, a molten aluminum heat-preservation furnace door head generally adopts a refractory material prefabricated part structure, and is easily damaged due to the restriction of the strength of the refractory material, mechanical collision, friction and the like, and the difficulty in repairing is high, so that the furnace door head is matched with a furnace door to fail.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an aluminum melting heat preservation furnace door lintel structure, wherein a working surface is covered with a metal guard plate, so that the service cycle of a refractory material can be effectively prolonged, the aluminum melting heat preservation furnace door lintel structure can be quickly replaced after being damaged, the aluminum melting heat preservation furnace door lintel structure is easy to realize good matching with a furnace door, and the energy conservation and consumption reduction are realized.
The utility model adopts the following technical scheme for achieving the purpose:
a door lintel structure of an aluminum melting heat preservation furnace consists of a refractory material prefabricated part and a replaceable metal protection plate; a hoisting bolt for installing a door lintel and a built-in nut for providing a metal guard plate installation position are embedded in the refractory material prefabricated part; the upper part of the hoisting bolt is provided with a thread structure and is embedded in the upper plane of the refractory material prefabricated part; the built-in nut is embedded in the front of the refractory material prefabricated member, the metal protection plate is provided with a mounting hole matched with the built-in nut, and the metal protection plate and the built-in nut are fastened and mounted in the front of the refractory material prefabricated member through bolts.
And a fiber lining is laid between the metal guard plate and the refractory material prefabricated part to ensure that the metal guard plate and the refractory material prefabricated part can be separated.
According to the aluminum melting heat preservation furnace door head structure, the technical scheme is adopted, the fireproof material prefabricated part is effectively protected from being damaged by mechanical external force, meanwhile, the metal guard plate has replaceability, and the service life and the reliability of the door head are effectively improved.
Drawings
FIG. 1 is a schematic sectional view of an aluminum melting heat preservation oven lintel according to the present invention;
FIG. 2 is a schematic view of the mounting structure of the lintel of the molten aluminum holding furnace of the present invention.
In the figure: 1. the method comprises the following steps of refractory material prefabricated parts, 2, hoisting bolts, 3, built-in nuts, 4, fiber linings, 5, metal guard plates, 6 and mounting bolts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific examples, but the present invention is not limited thereto.
As shown in fig. 1, the aluminum melting heat preservation furnace door lintel structure is composed of a refractory material prefabricated part and a replaceable metal protection plate 2 part; and a hoisting bolt and a built-in nut are embedded in the refractory material prefabricated member.
The hoisting bolts are generally made of materials such as 304, 304S, 304SS, 310S and 310SS, the upper parts of the hoisting bolts are provided with thread structures, and the thread structures are embedded on the upper plane of the refractory material prefabricated member and used for realizing the hanging installation and fixation of the door lintel.
The built-in nuts are generally made of materials such as 304, 304S, 304SS, 310S, 310SS and the like, and the refractory material prefabricated parts are used for providing the installation positions of the metal protective plates.
The metal shield plate is generally made of heat-resistant cast steel such as 304, 304S, 304SS, 310S, 310SS, ZG40Cr28Ni16, and has a mounting hole for fitting the insert nut, and a thickness of 20 to 40 mm.
The metal guard plate is fastened in the built-in nut through a bolt and arranged right in front of the refractory material prefabricated part, so that the refractory material prefabricated part is protected from mechanical damage caused by movement of mechanical devices such as a furnace door and the like, and replacement can be realized after damage. And a plurality of metal guard plates are horizontally arranged and provided with 10-20mm of thermal expansion gaps.
When the aluminum melting heat preservation furnace door head is used, the aluminum melting heat preservation furnace door head refractory material can be prevented from being damaged due to mechanical damage, meanwhile, the aluminum melting heat preservation furnace door head can be replaced after being locally damaged, and the service life and the reliability of the door head are effectively prolonged.
Claims (2)
1. The utility model provides a molten aluminum heat preservation furnace gate lintel structure which characterized in that: the door lintel structure of the aluminum melting heat preservation furnace consists of a refractory material prefabricated part and a replaceable metal protection plate; a hoisting bolt for installing a door lintel and a built-in nut for providing a metal guard plate installation position are embedded in the refractory material prefabricated part; the upper part of the hoisting bolt is provided with a thread structure and is embedded in the upper plane of the refractory material prefabricated part; the built-in nut is embedded in the front of the refractory material prefabricated member, the metal protection plate is provided with a mounting hole matched with the built-in nut, and the metal protection plate and the built-in nut are fastened and mounted in the front of the refractory material prefabricated member through bolts.
2. The molten aluminum heat preservation furnace door header structure of claim 1, wherein: and a fiber lining is paved between the refractory material prefabricated member and the metal guard plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710712.0U CN216347776U (en) | 2021-11-08 | 2021-11-08 | Door lintel structure of aluminum melting heat preservation furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710712.0U CN216347776U (en) | 2021-11-08 | 2021-11-08 | Door lintel structure of aluminum melting heat preservation furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216347776U true CN216347776U (en) | 2022-04-19 |
Family
ID=81134121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122710712.0U Active CN216347776U (en) | 2021-11-08 | 2021-11-08 | Door lintel structure of aluminum melting heat preservation furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216347776U (en) |
-
2021
- 2021-11-08 CN CN202122710712.0U patent/CN216347776U/en active Active
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