CN202047093U - Air cooling furnace roller at high temperature furnace section - Google Patents
Air cooling furnace roller at high temperature furnace section Download PDFInfo
- Publication number
- CN202047093U CN202047093U CN2011200692451U CN201120069245U CN202047093U CN 202047093 U CN202047093 U CN 202047093U CN 2011200692451 U CN2011200692451 U CN 2011200692451U CN 201120069245 U CN201120069245 U CN 201120069245U CN 202047093 U CN202047093 U CN 202047093U
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- roller
- inner sleeve
- roller core
- inlet pipe
- spindle nose
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Abstract
The utility model relates to the field of steel refining furnaces, in particular to a furnace roller at a high temperature furnace section. The air cooling furnace roller at the high temperature furnace section comprises an operating side shaft head, a roller core, a carbon sleeve, a transmission side shaft head, a cooling air inlet pipe and an inner sleeve, wherein a heat insulation fiber is further arranged between the roller core and the carbon sleeve, the cooling air inlet pipe is arranged in the operating side shaft head, a cooling air exhaust passage is formed between the cooling air inlet pipe and the operating side shaft head, separation boards are fixedly arranged at two ends of the inner sleeve, a vent groove is arranged at the edge part of each separation board, a vent hole is arranged in the center of each separation board, the inner sleeve is arranged in the roller cover by the separation boards, the cooling air inlet pipe is arranged in the operating side shaft head and is communicated with the inner sleeve by the vent holes of the separation boards, and the inner sleeve is provided with an air orifice. When working practically, the temperature of the furnace roller is lowered by 50 to 80 degrees compared with the existing furnace rollers, thus prolonging the service life of the furnace roller, and effectively reducing the cost of furnace roller spare parts and the abnormal downtime.
Description
Technical field
The utility model relates to the steel melting furnace field, relates in particular to a kind of High Temperature Furnaces Heating Apparatus section furnace roller.
Background technology
The highest furnace temperature of working temperature in the high temperature unit annealing furnace is 1100 ℃, and inner used furnace roller adopts carbon cover roller, and structure is roller core+carbon cover pattern, and roller core outer cover carbon cover roller core is a hollow steel pipe; Existing furnace roller structure is made up of fore side spindle nose 1, roller core 2, carbon cover 3 and back side spindle nose 4 as shown in Figure 1; Described fore side spindle nose 1 and back side spindle nose 4 are separately fixed at the two ends of roller core 2, and described carbon cover 3 is coated on outside the roller core 2; This type of furnace roller inside does not have cooling, and temperature is close in body of roll temperature and the stove, on-the-spot discovery, and when unit high temperature material production furnace temperature 1050 degree were above, the roller core creep-resistant property descended rapidly, thereby caused roller core to descend work-ing life.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of High Temperature Furnaces Heating Apparatus section gas cooling furnace roller, by using cold gas circulation cooling roller core, the work-ing life of having improved furnace roller.
The utility model is achieved in that a kind of High Temperature Furnaces Heating Apparatus section gas cooling furnace roller, comprise the fore side spindle nose, roller core, carbon cover and back side spindle nose, described fore side spindle nose and back side spindle nose are separately fixed at the two ends of roller core, described carbon cover is coated on outside the roller core, this cooling furnace roller also comprises cold gas inlet pipe and inner sleeve, also be provided with heat insulation fiber between described roller core and the carbon cover, described cold gas inlet pipe is arranged in the fore side spindle nose, form the cold gas exhaust passage between cold gas inlet pipe and the fore side spindle nose, described inner sleeve two ends are fixed with division board, described isolation edges of boards portion has air channel, the division board center has ventilating pit, inner sleeve is installed in the roller core by division board, and described cold gas inlet pipe is arranged on the ventilating pit that passes through division board in the fore side spindle nose and is communicated with inner sleeve, has gas orifice on the described inner sleeve.
There is a division board freely to contact in the fixed division board of described inner sleeve two ends with roller core.
Gas orifice on the described inner sleeve is a Long Circle, and gas orifice is axially uniform roller core, and gas orifice is at the circumferential annular array of roller core.
The utility model High Temperature Furnaces Heating Apparatus section gas cooling furnace roller is by using cold gas circulation cooling roller core, and isolates carbon cover and roller core by heat insulation fiber, makes between the section of carbon cover and roller core and forms the temperature difference, thereby reduce body of roll working temperature, reaches the target that improves the life-span; During real work, the comparable existing furnace roller of this furnace roller actual temperature reduces by 50 to 80 degree, has improved furnace roller work-ing life, effectively reduces furnace roller spare part cost and disorderly closedown time.
Description of drawings
Fig. 1 is existing furnace roller structural representation;
Fig. 2 is the utility model High Temperature Furnaces Heating Apparatus section gas cooling furnace roller structural representation.
Among the figure: 1 fore side spindle nose, 2 roller cores, 3 carbon covers, 4 back side spindle noses, 5 cold gas inlet pipe, 6 inner sleeves, 7 heat insulation fibers, 8 division boards.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model statement, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 2, a kind of High Temperature Furnaces Heating Apparatus section gas cooling furnace roller, comprise fore side spindle nose 1, roller core 2, carbon cover 3, back side spindle nose 4, cold gas inlet pipe 5 and inner sleeve 6, described fore side spindle nose 1 and back side spindle nose 4 are separately fixed at the two ends of roller core 2, described carbon cover 3 is coated on outside the roller core 2, also be provided with heat insulation fiber 7 between described roller core 2 and the carbon cover 3, reduce the heat conduction velocity of 2 of carbon cover 3 and roller cores, improve both temperature difference, described cold gas inlet pipe 5 is arranged in the fore side spindle nose 1, form the cold gas exhaust passage between cold gas inlet pipe 5 and the fore side spindle nose 1, described inner sleeve 6 two ends are fixed with division board 8, described division board 8 limit portions have air channel, division board 8 centers have ventilating pit, inner sleeve 6 is installed in the roller core 2 by division board 8, described cold gas inlet pipe 5 is arranged on the ventilating pit that passes through division board 8 in the fore side spindle nose 1 and is communicated with inner sleeve 6, have gas orifice on the described inner sleeve 6, in roller core 2, form the cold gas circulation loop, by transmission of heat by convection, effectively reduce roller core 2 temperature.
The utility model can further describe into, have a division board 8 freely to contact in the described inner sleeve 6 two ends fixed division boards 8 with roller core 2, unfixed division board 8 can be eliminated internal heat breathing influence.
In addition, in the present embodiment,, better circulate at the certain air pressure of roller core 2 inner formation in order to ensure cooling draught, the gas orifice on the described inner sleeve 6 is a Long Circle, and gas orifice is axially uniform roller core 2, and gas orifice is at the circumferential annular array of roller core 2.
Claims (3)
1. High Temperature Furnaces Heating Apparatus section gas cooling furnace roller, comprise fore side spindle nose (1), roller core (2), carbon cover (3) and back side spindle nose (4), described fore side spindle nose (1) and back side spindle nose (4) are separately fixed at the two ends of roller core (2), described carbon cover (3) is coated on outside the roller core (2), it is characterized in that: this cooling furnace roller also comprises cold gas inlet pipe (5) and inner sleeve (6), also be provided with heat insulation fiber (7) between described roller core (2) and the carbon cover (3), described cold gas inlet pipe (5) is arranged in the fore side spindle nose (1), form the cold gas exhaust passage between cold gas inlet pipe (5) and the fore side spindle nose (1), described inner sleeve (6) two ends are fixed with division board (8), described division board (8) limit portion has air channel, division board (8) center has ventilating pit, inner sleeve (6) is installed in the roller core (2) by division board (8), described cold gas inlet pipe (5) is arranged on the ventilating pit that passes through division board (8) in the fore side spindle nose (1) and is communicated with inner sleeve (6), and described inner sleeve has gas orifice on (6).
2. High Temperature Furnaces Heating Apparatus section gas cooling furnace roller as claimed in claim 1 is characterized in that: have a division board (8) freely to contact with roller core (2) in described inner sleeve (6) the two ends fixed division boards (8).
3. High Temperature Furnaces Heating Apparatus section gas cooling furnace roller as claimed in claim 1 or 2, it is characterized in that: the gas orifice on the described inner sleeve (6) is a Long Circle, and gas orifice is axially uniform roller core (2), and gas orifice is at the circumferential annular array of roller core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200692451U CN202047093U (en) | 2011-03-16 | 2011-03-16 | Air cooling furnace roller at high temperature furnace section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200692451U CN202047093U (en) | 2011-03-16 | 2011-03-16 | Air cooling furnace roller at high temperature furnace section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202047093U true CN202047093U (en) | 2011-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200692451U Expired - Fee Related CN202047093U (en) | 2011-03-16 | 2011-03-16 | Air cooling furnace roller at high temperature furnace section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202047093U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586565A (en) * | 2012-03-14 | 2012-07-18 | 中冶南方(武汉)威仕工业炉有限公司 | Rapid cooling method and device after medium and thick plate heat treatment furnace |
| CN102816919A (en) * | 2012-08-24 | 2012-12-12 | 中冶南方(武汉)威仕工业炉有限公司 | Carbon sleeve positioning device |
| CN103937934A (en) * | 2013-01-22 | 2014-07-23 | 宝山钢铁股份有限公司 | A furnace roller used for an annealing furnace and a preparing method thereof |
| CN106544495A (en) * | 2016-10-14 | 2017-03-29 | 武汉钢铁股份有限公司 | Cold-rolling continuous annealing line anti-condensation furnace roller and preparation method thereof |
-
2011
- 2011-03-16 CN CN2011200692451U patent/CN202047093U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102586565A (en) * | 2012-03-14 | 2012-07-18 | 中冶南方(武汉)威仕工业炉有限公司 | Rapid cooling method and device after medium and thick plate heat treatment furnace |
| CN102586565B (en) * | 2012-03-14 | 2014-04-02 | 中冶南方(武汉)威仕工业炉有限公司 | Rapid cooling method and device after medium and thick plate heat treatment furnace |
| CN102816919A (en) * | 2012-08-24 | 2012-12-12 | 中冶南方(武汉)威仕工业炉有限公司 | Carbon sleeve positioning device |
| CN103937934A (en) * | 2013-01-22 | 2014-07-23 | 宝山钢铁股份有限公司 | A furnace roller used for an annealing furnace and a preparing method thereof |
| CN103937934B (en) * | 2013-01-22 | 2016-04-27 | 宝山钢铁股份有限公司 | A kind of furnace roller preparation method for annealing furnace |
| CN106544495A (en) * | 2016-10-14 | 2017-03-29 | 武汉钢铁股份有限公司 | Cold-rolling continuous annealing line anti-condensation furnace roller and preparation method thereof |
| CN106544495B (en) * | 2016-10-14 | 2018-07-03 | 武汉钢铁有限公司 | Cold-rolling continuous annealing line anti-condensation furnace roller and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20160316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |