CN218992159U - Forced cooling device for front end bearing of furnace refiner - Google Patents
Forced cooling device for front end bearing of furnace refiner Download PDFInfo
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- CN218992159U CN218992159U CN202320142198.1U CN202320142198U CN218992159U CN 218992159 U CN218992159 U CN 218992159U CN 202320142198 U CN202320142198 U CN 202320142198U CN 218992159 U CN218992159 U CN 218992159U
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- end bearing
- heat shield
- cooling
- central shaft
- furnace
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Abstract
The utility model provides a forced cooling device for a front end bearing of a furnace refiner, which comprises a central shaft, the front end bearing, a cooling air pipe and a heat shield, wherein the central shaft and the front end bearing are arranged in the furnace refiner; the front end bearing is sleeved on the central shaft, a cooling cavity is arranged in the furnace refiner, and the cooling cavity is positioned at the front side of the front end bearing; the heat shield is arranged at the front side of the front end bearing to form a front cooling cavity, the front cooling cavity is positioned in the cooling cavity, and the cooling air pipe stretches into the front cooling cavity; the central shaft passes through the heat shield and a gap is reserved between the central shaft and the heat shield. According to the utility model, the heat shield is arranged at the front side of the front end bearing to reduce the cooling space, so that the cooling effect and the utilization rate of compressed air are improved, and the service life of the front end bearing is prolonged.
Description
Technical Field
The utility model belongs to the technical field of furnace refiners, and particularly relates to a forced cooling device for a bearing at the front end of a furnace refiner.
Background
Furnace refining refers to the process that aluminum alloy melt is treated by furnace refining to achieve the effect of purifying the aluminum alloy melt, and in the process, the front end bearing of the furnace refiner needs to be cooled to ensure that grease lubrication in the front end bearing is reliable when the furnace refiner works in the furnace. In the prior art, compressed air is generally used for cooling, as shown in fig. 1 and 2, a cooling cavity 6 with a larger space is formed between the front end bearing 3 and the front end of the furnace refiner 1, and compressed air is conveyed in the cooling cavity 6 to cool the front end bearing, but the cooling space in the cooling cavity 6 is too large, and the compressed air cannot be effectively restrained to the front end bearing 3, so that the cooling effect is poor.
Disclosure of Invention
The utility model aims to provide a forced cooling device for a front end bearing of a furnace refiner, which improves the cooling effect and the utilization rate of compressed air and prolongs the service life of the front end bearing.
To achieve the above object, the solution of the present utility model is: a forced cooling device for a front end bearing of a furnace refiner comprises a central shaft and the front end bearing in the furnace refiner, a cooling air pipe and a heat shield; the front end bearing is sleeved on the central shaft, a cooling cavity is arranged in the furnace refiner, and the cooling cavity is positioned at the front side of the front end bearing; the heat shield is arranged at the front side of the front end bearing to form a front cooling cavity, the front cooling cavity is positioned in the cooling cavity, and the cooling air pipe stretches into the front cooling cavity; the central shaft passes through the heat shield and a gap is reserved between the central shaft and the heat shield.
Further, the cooling device further comprises a mounting plate arranged in the furnace refiner and a cover plate covered at the front end of the furnace refiner, the central shaft penetrates through the mounting plate and the cover plate, the front end bearing is fixed on the mounting plate, a cooling cavity is formed between the mounting plate and the cover plate, the heat shield is arranged on the right side of the front end bearing and is fixed with the mounting plate, and a front cooling cavity is formed between the heat shield and the mounting plate.
Further, the mounting plate is provided with air holes communicated with the front cooling cavity, the air holes are positioned on the peripheral side of the front end bearing, and the cooling air pipes penetrate through the air holes and extend into the front cooling cavity.
Further, the air hole is positioned below the front end bearing.
Further, a partition plate is further arranged in the furnace refining furnace and located on the right side of the mounting plate, two parallel transverse plates are arranged between the partition plate and the mounting plate, the partition plate and the transverse plates are fixed to form a heat shield, and a through hole is formed in the partition plate for the central shaft to pass through.
Further, the heat shield is a square heat shield with an opening at the left side, and a through hole is formed in the right side wall of the heat shield for the central shaft to pass through.
Further, the area of the through hole is larger than the cross section area of the central shaft, so that the central shaft passes through the through hole and a gap is reserved between the central shaft and the heat shield.
After the scheme is adopted, the beneficial effects of the utility model are as follows:
the front side of the front end bearing is covered with the heat shield, the front end bearing is separately separated by the front cooling cavity formed in the heat shield, the front cooling cavity is positioned in the cooling cavity and the space of the front cooling cavity is smaller than that of the cooling cavity, so that the cooling space of the front end bearing can be reduced, and compressed air can be restrained in the front cooling cavity by the heat shield to sufficiently cool the front end bearing after flowing into the front cooling cavity from the cooling air pipe, thereby improving the cooling effect and the utilization rate of the compressed air; after the compressed air cools the front end bearing, the compressed air flows into the cooling cavity from the gap between the heat shield and the central shaft, so that further cooling is realized; the improvement of the cooling efficiency can ensure that the grease on the surface of the front end bearing is more lubricated and reliable when the front end bearing works in the furnace, prolong the service life of the front end bearing and ensure the stability of the front end bearing under the working condition of repeated refining; in addition, the heat shield can isolate heat radiation outside the front end bearing, so that the cooling speed is increased;
drawings
FIG. 1 is a cross-sectional view of the present furnace refining furnace;
FIG. 2 is a cross-sectional view of the prior art;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model;
fig. 4 is a cross-sectional view of another embodiment of the present utility model.
Description of the reference numerals:
1. a furnace refiner; 2. a central shaft; 3. a front end bearing; 4. a cooling air pipe; 5. a heat shield; 51. a partition plate; 52. a cross plate; 6. a cooling chamber; 7. a front cooling cavity; 8. a mounting plate; 9. a through hole; 10. and a cover plate.
Detailed Description
The utility model will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a forced cooling device for a front end bearing of a furnace refiner, which is shown in figure 3 and comprises a central shaft 2, a front end bearing 3, a cooling air pipe 4 and a heat shield 5 in the furnace refiner 1; the front end bearing 3 is sleeved on the central shaft 2, a cooling cavity 6 is arranged in the furnace refiner 1, and the cooling cavity 6 is positioned at the front side of the front end bearing 3; the heat shield 5 is covered on the front side of the front end bearing 3, a front cooling cavity 7 is formed in the heat shield 5, the front end bearing 3 is separated independently, the front cooling cavity 7 is positioned in the cooling cavity 6, and the space of the front cooling cavity 7 is smaller than that of the cooling cavity 6, so that the cooling space of the front end bearing 3 can be reduced; the cooling air pipe 4 stretches into the pre-cooling cavity 7 to provide compressed air for the pre-cooling cavity 7, and after the compressed air flows into the pre-cooling cavity 7 from the cooling air pipe 4, the compressed air is restrained by the heat shield 5 in the pre-cooling cavity 7 to fully cool the front end bearing 3, so that the cooling effect and the utilization rate of the compressed air are improved; the central shaft 2 passes through the heat shield 5, a gap is reserved between the central shaft and the heat shield 5, and compressed air flows into the cooling cavity 6 from the gap between the heat shield 5 and the central shaft 2 after cooling the front end bearing 3, so that further cooling is realized; the improvement of the cooling efficiency can ensure that the surface grease of the front end bearing 3 is more lubricated and reliable when the front end bearing 3 works in the furnace, prolong the service life of the front end bearing 3 and ensure the stability of the front end bearing under multiple refining working conditions. In addition, the heat shield 5 can isolate heat radiation outside the front end bearing 3, so that the cooling speed is increased.
As a preferred embodiment, the heat shield 5 may be as close to the front end bearing 3 as possible, so as to reduce the cooling space of the front cooling cavity 7 as much as possible, and make the cooling effect better, but a gap needs to be left between the heat shield 5 and the front end bearing 3, so as to prevent friction between the heat shield 5 and the front end bearing 3, interfere with the operation of the front end bearing 3, and prevent grease on the front end bearing 3 from being adhered to the heat shield 5.
The utility model also comprises a mounting plate 8 arranged inside the furnace refiner 1 and a cover plate 10 covered at the front end of the furnace refiner 1, wherein the central shaft 2 passes through the mounting plate 8 and the cover plate 10, the front end bearing 3 is fixed at the middle part of the mounting plate 8, a cooling cavity 6 is formed between the mounting plate 8 and the cover plate 10, the heat shield 5 is covered at the right side of the front end bearing 3 (namely the front side of the front end bearing 3) and is fixed with the mounting plate 8, a front cooling cavity 7 is formed between the heat shield 5 and the mounting plate 8, air holes communicated with the front cooling cavity 7 are arranged on the mounting plate 8, the cooling air pipes 4 penetrate through the air holes and extend into the cooling cavity 6, the air holes can be arranged at the peripheral side position of the front end bearing 3, such as above or below the front end bearing 3, and the embodiment is provided with the air holes below the front end bearing 3, so that the cooling air pipes 4 are not contacted with the central shaft 2, and the cooling air pipes 4 cannot interfere with the operation of the central shaft 2. In addition, a plurality of cooling air pipes 4 can be arranged according to the requirement, so that the cooling speed is increased.
As shown in fig. 3, the heat shield 5 may be a square or arc heat shield 5, in this embodiment, a square heat shield 5 with a left opening is adopted, the manufacture is simple and the manufacture cost is low, the square heat shield 5 covers the front end bearing 3 from the right side of the front end bearing 3 through the left opening, and a through hole 9 is formed on the right side wall of the square heat shield 5 for passing through the central shaft 2. In another embodiment of the present utility model, as shown in fig. 4, a partition plate 51 is further disposed in the furnace refining furnace, the partition plate 51 is located on the right side of the mounting plate 8, two parallel transverse plates 52 are disposed between the partition plate 51 and the mounting plate 8, the partition plate 51 and the transverse plates 52 are fixed to form the heat shield 5, a through hole 9 is formed in the partition plate 51 for passing through the central shaft 2, and the partition plate 51 is only fixed to the furnace refiner 1 to complete the installation of the heat shield 5, so that the installation and the disassembly of the heat shield 5 are more convenient. In addition, in order to leave a gap between the central shaft 2 and the heat shield 5 for compressed air to pass through, the area of the through hole 9 should be slightly larger than the cross-sectional area of the central shaft 2.
The above embodiments are only preferred embodiments of the present utility model, and are not limited to the present utility model, and all equivalent changes made according to the design key of the present utility model fall within the protection scope of the present utility model.
Claims (7)
1. A forced cooling device for a front end bearing of a furnace refiner is characterized in that: comprises a central shaft and a front end bearing in the furnace refiner, a cooling air pipe and a heat shield; the front end bearing is sleeved on the central shaft, a cooling cavity is arranged in the furnace refiner, and the cooling cavity is positioned at the front side of the front end bearing; the heat shield is arranged at the front side of the front end bearing to form a front cooling cavity, the front cooling cavity is positioned in the cooling cavity, and the cooling air pipe stretches into the front cooling cavity; the central shaft passes through the heat shield and a gap is reserved between the central shaft and the heat shield.
2. A forced cooling apparatus for a furnace refiner front end bearing according to claim 1, characterized in that: the cooling device comprises a front end bearing, a heat shield cover and a cover plate, wherein the front end bearing is arranged on the front end bearing, the heat shield cover is arranged on the right side of the front end bearing and is fixed with the mounting plate, and the front end bearing is arranged on the front end of the heat shield cover.
3. A forced cooling apparatus for a furnace refiner front end bearing according to claim 2, characterized in that: the mounting plate is provided with air holes communicated with the front cooling cavity, the air holes are positioned on the peripheral side of the front end bearing, and the cooling air pipes penetrate through the air holes and extend into the front cooling cavity.
4. A forced cooling apparatus for a furnace refiner front end bearing according to claim 3, characterized in that: the air hole is positioned below the front end bearing.
5. A forced cooling apparatus for a furnace refiner front end bearing according to claim 2, characterized in that: the heat insulation plate is characterized in that a partition plate is further arranged in the furnace refining furnace and located on the right side of the mounting plate, two parallel transverse plates are arranged between the partition plate and the mounting plate, the partition plate and the transverse plates are fixed to form the heat insulation cover, and a through hole is formed in the partition plate for the central shaft to pass through.
6. A forced cooling apparatus for a furnace refiner front end bearing according to claim 1, characterized in that: the heat shield is a square heat shield with an opening at the left side, and a through hole is formed in the right side wall of the heat shield for the central shaft to pass through.
7. A forced cooling apparatus for a furnace refiner front end bearing according to claim 5 or 6, characterized in that: the area of the through hole is larger than the cross section area of the central shaft, so that the central shaft passes through the through hole and a gap is reserved between the central shaft and the heat shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320142198.1U CN218992159U (en) | 2023-01-20 | 2023-01-20 | Forced cooling device for front end bearing of furnace refiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320142198.1U CN218992159U (en) | 2023-01-20 | 2023-01-20 | Forced cooling device for front end bearing of furnace refiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218992159U true CN218992159U (en) | 2023-05-09 |
Family
ID=86215987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320142198.1U Active CN218992159U (en) | 2023-01-20 | 2023-01-20 | Forced cooling device for front end bearing of furnace refiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218992159U (en) |
-
2023
- 2023-01-20 CN CN202320142198.1U patent/CN218992159U/en active Active
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