CN203513754U - Device for cooling carrier roller in annealing furnace - Google Patents
Device for cooling carrier roller in annealing furnace Download PDFInfo
- Publication number
- CN203513754U CN203513754U CN201320465673.5U CN201320465673U CN203513754U CN 203513754 U CN203513754 U CN 203513754U CN 201320465673 U CN201320465673 U CN 201320465673U CN 203513754 U CN203513754 U CN 203513754U
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- Prior art keywords
- carrier roller
- carrying roller
- annular cavity
- cooling water
- roller
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Abstract
The utility model provides a device for cooling a carrier roller in an annealing furnace. The device comprises a carrier roller center shaft; a carrier roller sleeve is sheathed outside the carrier roller center shaft; a ring-shaped inner cavity is arranged between the carrier roller sleeve and the carrier roller center shaft; the left end of the carrier roller sleeve is sealed; an inner pipe passes through the center of the carrier roller center shaft; the right end of the inner pipe is provided with a cooling water inlet; a ring-shaped opening defined by the right end of the inner pipe and the right end of a carrier roller shaft sleeve is a cooling water outlet; the left end of the inner pipe is communicated with the ring-shaped inner cavity by a plurality of through holes in the wall of the inner pipe; the right end of the ring-shaped inner cavity is communicated with the cooling water outlet; the ring-shaped inner cavity is internally provided with a fixed part which is distributed in a spiral shape around the carrier roller center shaft; the ring-shaped inner cavity is separated into spiral channels by the fixed part. The device solves the problems that the existing device for cooling the carrier roller is low in cooling water utilization rate, and the carrier roller is easily deformed.
Description
Technical field
The utility model belongs to steel rolling equipment field, especially a kind of refrigerating unit of annealing furnace middle idler roller.
Background technology
In producing the smelter of steel band, through the steel band of oversintering, steel-making, ironmaking or steel rolling, need enter continuous annealing furnace annealing.In continuous annealing furnace, be provided with for supporting the spool roll of steel band, spool roll is provided with the carrying roller that protrudes from spool roll surface, in course of normal operation, temperature in continuous annealing furnace is up to 1120 ° of C, carrying roller on spool roll directly contacts with steel band, and carrying roller rotation can drive steel band to move forward.
Existing most of carrier roller for annealing furnace comprises carrying roller roller shell and roller carrier shaft, roller carrier shaft is fixed in carrying roller roller shell by several mounting blocks, make to form annular cavity between carrying roller roller shell and roller carrier shaft, the right-hand member of inner tube is communicated with water inlet pipe by swivel joint, inner tube is communicated with annular cavity by 3 through holes that arrange on its left end tube wall, and the right-hand member of annular cavity is water outlet.But, still there is shortcomings in the refrigerating unit of existing carrying roller: the distributing line of several independent mounting blocks and the medullary ray of carrying roller in (1) annular cavity are parallel, water coolant is short in the carrying roller internal stops time, the time per water yield is large, the effective rate of utilization of water coolant is low, meanwhile, power consumption is also large; (2) in course of normal operation, between steel band and carrying roller roller shell, contact, because mounting block can play the effect of reinforcing carrying roller roller shell, and the distributing line of mounting block and the medullary ray of carrying roller are parallel, make the bearing capacity of every axis on carrying roller roller shell outside surface different, therefore, carrying roller roller shell surface is easy to by steel band compressive strain; (3) inner tube is only realized and being communicated with by 3 through holes with annular cavity, has limited the discharge that enters annular cavity, often can cause current distribution inequality or the water yield in annular cavity too little, and carrying roller is easily out of shape.
Summary of the invention
The utility model aims to provide a kind of carrier roller for annealing furnace refrigerating unit that can solve the low and yielding problem of carrying roller of water coolant utilization ratio in prior art.
A kind of refrigerating unit of annealing furnace middle idler roller, comprise carrying roller central shaft, the outer sheathed idler roll cover of carrying roller central shaft, between carrying roller roller shell and carrying roller central shaft, it is annular cavity, the left end sealing of carrying roller roller shell, the center of carrying roller central shaft wears an inner tube, the right-hand member of inner tube is cooling water inlet, the annular opening that the right-hand member of inner tube and carrying roller axle sleeve right-hand member surround is cooling water outlet, the left end of inner tube is communicated with annular cavity by several through holes on inner pipe wall, the right-hand member of annular cavity is communicated with cooling water outlet, one mounting block distributing in the shape of a spiral around carrying roller central shaft is set in annular cavity, mounting block is divided into spirality channel by annular cavity.
In the course of the work, water coolant is flowed in inner tube by the right-hand member of inner tube through cooling water inlet, flow to after inner tube left end, from the through hole of inner tube, overflows and enters in annular cavity, right-hand member from the left end of annular cavity along mounting block helicoidal flow to annular cavity, and flow out from cooling water outlet.In annular cavity of the present utility model, mainly adopt spiral cooling, extended the residence time of water coolant in annular cavity, improved the effective rate of utilization of water coolant, reduced costs, reduced energy consumption; Meanwhile, mounting block is spiral type around carrying roller central shaft and distributes, and makes the ability to bear of every axis on whole carrying roller outside surface consistent, and carrying roller is not yielding.
Further improve and be: the number of through hole is 5 ~ 10.Like this, under equal conditions, can increase the water yield that enters annular cavity, cooling water inflow is better to the cooling performance of carrying roller roller shell greatly, has reduced carrying roller roller shell and owing to being heated, has occurred the possibility of being out of shape.
The utility model be a kind of simple in structure, reasonable in design, water consumption is few, and can prevent the refrigerating unit of the carrier roller for annealing furnace of carrying roller distortion.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model, and wherein, carrying roller central shaft is part sectioned view, and arrow direction indication is flow of cooling water direction.
Embodiment
Now illustrate with reference to the accompanying drawings embodiment of the present utility model:
As shown in Figure 1, a kind of refrigerating unit of annealing furnace middle idler roller, comprise carrying roller central shaft 1, the outer sheathed idler roll cover 2 of carrying roller central shaft, between carrying roller roller shell 2 and carrying roller central shaft 1, it is annular cavity 3, the left end sealing of carrying roller roller shell 2, the center of carrying roller central shaft 1 wears an inner tube 4, the right-hand member of inner tube 4 is cooling water inlet 5, the annular opening that the right-hand member of inner tube 4 and carrying roller axle sleeve 2 right-hand members surround is cooling water outlet 7, the left end of inner tube 4 is communicated with annular cavity 3 by several through holes 6 on inner pipe wall, the right-hand member of annular cavity 3 is communicated with cooling water outlet 7, the interior mounting block 8 distributing in the shape of a spiral around carrying roller central shaft 1 that arranges of annular cavity 3, mounting block 8 is divided into spirality channel by annular cavity 3.
In the course of the work, through cooling water inlet 5, the right-hand member by inner tube 4 flows in inner tube 4 water coolant, flow to after inner tube 4 left ends, from the through hole 6 of inner tube 4, overflow and enter in annular cavity 3, right-hand member from the left end of annular cavity 3 along mounting block helicoidal flow to annular cavity 3, and flow out from cooling water outlet 7.In annular cavity 3 of the present utility model, mainly adopt spiral cooling, extended the residence time of water coolant in annular cavity 3, improved the effective rate of utilization of water coolant, reduced costs, reduced energy consumption; Meanwhile, mounting block 8 distributes in the shape of a spiral around carrying roller central shaft 1, makes the ability to bear on every axis of whole carrying roller consistent, and carrying roller is not yielding.
Further improve and be: the number of through hole 6 is 5 ~ 10, and in Fig. 1, through hole is 5, like this, under equal conditions, can increase the water yield that enters annular cavity 3, cooling water inflow is better to the cooling performance of carrying roller roller shell 2 greatly, has reduced carrying roller roller shell 2 and owing to being heated, has occurred the possibility of being out of shape.
The utility model be a kind of simple in structure, reasonable in design, water consumption is few, and can prevent the refrigerating unit of the carrier roller for annealing furnace of carrying roller distortion.
Claims (2)
1. the refrigerating unit of an annealing furnace middle idler roller, comprise carrying roller central shaft, the outer sheathed idler roll cover of carrying roller central shaft, between carrying roller roller shell and carrying roller central shaft, it is annular cavity, the left end sealing of carrying roller roller shell, the center of carrying roller central shaft wears an inner tube, the right-hand member of inner tube is cooling water inlet, the annular opening that the right-hand member of inner tube and carrying roller axle sleeve right-hand member surround is cooling water outlet, the left end of inner tube is communicated with annular cavity by several through holes on inner pipe wall, the right-hand member of annular cavity is communicated with cooling water outlet, it is characterized in that: a mounting block distributing in the shape of a spiral around carrying roller central shaft is set in annular cavity, mounting block is divided into spirality channel by annular cavity.
2. the refrigerating unit of a kind of annealing furnace middle idler roller according to claim 1, is characterized in that: the number of through hole is 5 ~ 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465673.5U CN203513754U (en) | 2013-08-01 | 2013-08-01 | Device for cooling carrier roller in annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320465673.5U CN203513754U (en) | 2013-08-01 | 2013-08-01 | Device for cooling carrier roller in annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203513754U true CN203513754U (en) | 2014-04-02 |
Family
ID=50372711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320465673.5U Expired - Lifetime CN203513754U (en) | 2013-08-01 | 2013-08-01 | Device for cooling carrier roller in annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203513754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942008A (en) * | 2015-06-16 | 2015-09-30 | 中冶南方工程技术有限公司 | Water cooling roller with flow guide ring |
| CN108909141A (en) * | 2018-09-09 | 2018-11-30 | 浙江时进包装有限公司 | A kind of high speed aluminium foil composite printing machine cooling device |
-
2013
- 2013-08-01 CN CN201320465673.5U patent/CN203513754U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942008A (en) * | 2015-06-16 | 2015-09-30 | 中冶南方工程技术有限公司 | Water cooling roller with flow guide ring |
| CN108909141A (en) * | 2018-09-09 | 2018-11-30 | 浙江时进包装有限公司 | A kind of high speed aluminium foil composite printing machine cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |