CN218372435U - Device for inhibiting furnace roller thermal convexity change - Google Patents
Device for inhibiting furnace roller thermal convexity change Download PDFInfo
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- CN218372435U CN218372435U CN202222908587.9U CN202222908587U CN218372435U CN 218372435 U CN218372435 U CN 218372435U CN 202222908587 U CN202222908587 U CN 202222908587U CN 218372435 U CN218372435 U CN 218372435U
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- cooler
- temperature sensor
- roller
- heat insulating
- insulating board
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Abstract
The utility model discloses a restrain device that hot convexity of stove roller changes, include: the heat insulating board, the heat insulating board is installed inside the shell, belted steel is around between a plurality of stove rollers, the heat insulating board is in one side of stove roller, the cooler fluid reservoir is all installed to the shell both sides, the cooler is installed at the top of cooler fluid reservoir, the input of cooler passes through pipe and the inside intercommunication of cooler fluid reservoir, the output intercommunication of cooler has the air duct, the air duct is installed on the heat insulating board, the venthole has been seted up in the one end of keeping away from the cooler to the air duct, first temperature sensor and second temperature sensor are installed to one side that the heat insulating board is close to the stove roller. This restrain device that stove roller heat convexity changes through setting up two coolers, first temperature sensor and second temperature sensor, can the temperature of the different positions of visual observation stove roller to the temperature at free control stove roller both ends, in order to reach the stove roller temperature equilibrium, make the stove roller maintain original convexity.
Description
Technical Field
The utility model relates to the technical field of metallurgy, specifically be a device that restraines the change of stove roller heat convexity.
Background
The vertical annealing furnace of the strip steel heat treatment line unit needs rapid and stable production. The strip steel in the heating furnace of the vertical annealing furnace reciprocates back and forth between the furnace top roller and the furnace bottom roller, and leaves the heating section after reaching the heating target temperature. In a heating section furnace, particularly in a furnace top roller of an inlet section, the contact position between the middle of a roller body and strip steel is not heated because the strip steel is not heated, the temperature of the area of the furnace top roller is lower, and the position which is not contacted with the strip steel is subjected to heat radiation of rising high-temperature furnace gas and a hearth, the roller surface temperature of two ends of the furnace top roller is higher than that of the middle roller surface, so that the expansion amount of the two ends is larger than that of the middle roller surface, the positive convexity of the roller shape of the furnace roller is damaged, even the negative convexity is caused, the roller shape of the furnace is damaged due to the influence, the excessive deviation of the strip steel is caused, and the rapid and stable operation of the strip steel in the furnace is further influenced.
The patent document with Chinese patent publication No. CN202989241U has an authorized publication date of 2013, 6 months and 12 days. It discloses a device of restraines hot convexity of stove roller change, this application includes first heat insulating board, second heat insulating board, the below at the stove roller is installed to first heat insulating board correspondence, the second heat insulating board is installed in the space below of adjacent stove roller be equipped with the spray tube of taking the blowing mouth on the first heat insulating board, the blowing mouth on the spray tube corresponds the both ends that set up at the spray tube, spray tube intercommunication cooling gas pipeline, the cooler is connected to the cooling gas pipeline. The utility model discloses thermal radiation of hot gas to the furnace roof roller in isolated furnace wall that can be fine and the stove, especially to the furnace roof roller of heating section entry, reduce because of belted steel temperature and furnace temperature differ the little negative camber that produces of furnace roller both ends inflation volume grow, interlude that produces when very big, when guaranteeing belted steel quick production, reduce the thermal radiation impact that the entrance low temperature furnace roller received, prolong the life-span of furnace roller.
However, when the device is used, the temperature of two ends of the furnace roller can only be directly reduced to inhibit the change of the thermal convexity, the temperature can not be controlled according to the actual temperature of the furnace roller, and the whole furnace roller can not be in the same temperature state.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a restrain device that stove roller heat convexity changes to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an apparatus for suppressing a change in thermal crown of a furnace roller, comprising: the heat insulating board, the heat insulating board is installed inside the shell, and belted steel is around between a plurality of stove rollers, the heat insulating board is in one side of stove roller, the cooler fluid reservoir is all installed to the shell both sides, the cooler is installed at the top of cooler fluid reservoir, the input of cooler pass through the pipe with the inside intercommunication of cooler fluid reservoir, the output intercommunication of cooler has the air duct, the air duct is installed on the heat insulating board, the air duct is keeping away from the venthole has been seted up to the one end of cooler, the heat insulating board is close to first temperature sensor and second temperature sensor are installed to one side of stove roller, the second temperature sensor is in the middle part of heat insulating board.
Through adopting above-mentioned technical scheme, during the use, the temperature at the inside different positions of stove roller of shell can be responded to first temperature sensor and second temperature sensor, starts the cooler and cools off stove roller both ends, makes the temperature at the different positions of stove roller close to make the stove roller maintain original convexity.
Preferably, a third temperature sensor is installed on one side of the heat insulation plate close to the furnace roller, and the third temperature sensor is arranged at the mirror image position of the first temperature sensor.
Through adopting above-mentioned technical scheme, can know the temperature at stove roller both ends alone to the switch of control cooler prevents that stove roller both ends temperature from having too big deviation.
Preferably, the two air guide pipes are respectively arranged at two ends of the furnace roller, and the air outlet hole faces the furnace roller.
Through adopting above-mentioned technical scheme, can be less apart from cool down the stove roller.
Preferably, the air outlet is provided with a dustproof nozzle.
Through adopting above-mentioned technical scheme, prevent that dust in the shell from getting into the air duct and causing the jam.
Preferably, the cooler is controlled by the first temperature sensor, the third temperature sensor and the second temperature sensor.
Through adopting above-mentioned technical scheme, when the temperature that first temperature sensor and third temperature sensor measured and the temperature deviation that the second temperature sensor measured are great, the automatic start cooler cools off the stove roller.
Preferably, the cooler is a speed-adjustable cooler.
Through adopting above-mentioned technical scheme, can adjust the power of cooler according to the difference in temperature size.
Compared with the prior art, the beneficial effects of the utility model are that:
this restrain device that stove roller thermal convexity changes through setting up two coolers, first temperature sensor and second temperature sensor, can the temperature of the different positions of visual observation stove roller to the temperature at free control stove roller both ends, in order to reach the stove roller temperature equilibrium, make the stove roller maintain original convexity.
Drawings
FIG. 1 is a schematic sectional view of a device for suppressing the thermal crown change of a furnace roller according to the present invention;
FIG. 2 is a schematic side sectional view of the inside of the housing of an apparatus for suppressing the thermal crown variation of a furnace roller according to the present invention;
fig. 3 is a schematic perspective view of the air duct in the device for suppressing the thermal crown of the furnace roller of the present invention.
In the figure: 1. a housing; 2. a furnace roller; 21. strip steel; 3. a heat insulation plate; 31. a support frame; 4. a cooler fluid reservoir; 41. a cooler; 42. an air duct; 43. an air outlet; 44. a dustproof spray head; 5. a first temperature sensor; 6. a third temperature sensor; 7. a second temperature sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an apparatus for suppressing a change in thermal crown of a furnace roller includes: the furnace roller cooling device comprises a heat insulation plate 3, the heat insulation plate 3 is arranged inside a shell 1, in order to enhance the stability of the heat insulation plate 3, the heat insulation plate 3 is arranged on the inner wall of the shell 1 through a support frame 31, band steel 21 is wound among a plurality of furnace rollers 2, the heat insulation plate 3 is arranged on one side of the furnace rollers 2, a cooler liquid tank 4 is arranged on two sides of the shell 1, a cooler 41 is arranged on the top of the cooler liquid tank 4, in order to adjust the power of the cooler 41 according to the temperature difference, the cooler 41 is a speed-adjusting cooler, the input end of the cooler 41 is communicated with the inside of the cooler liquid tank 4 through a conduit, the output end of the cooler 41 is communicated with a gas guide tube 42, the gas guide tube 42 is arranged on the heat insulation plate 3, a gas outlet hole 43 is formed in one end, away from the cooler 41, in order to cool the furnace rollers 2 at a short distance, the two gas guide tubes 42 are respectively arranged at two ends of the furnace rollers 2, the gas guide tube 43 faces the furnace rollers 2, in order to prevent dust in the shell 1 from entering the gas guide tube 42 to cause blockage, and a dustproof spray head 44 is arranged on the gas outlet hole 43;
the first temperature sensor 5 and the second temperature sensor 7 are installed on one side of the heat insulation plate 3 close to the furnace roller 2, the second temperature sensor 7 is arranged in the middle of the heat insulation plate 3, in order to know the temperatures at two ends of the furnace roller 2 independently, thereby controlling the on and off of the cooler 41, preventing the temperatures at two ends of the furnace roller 2 from having too large deviation, the third temperature sensor 6 is installed on one side of the heat insulation plate 3 close to the furnace roller 2, the third temperature sensor 6 is arranged at the mirror image position of the first temperature sensor 5, in order to automatically start the cooler 41 to cool the furnace roller 2 when the temperature measured by the first temperature sensor 5 and the third temperature sensor 6 is larger than the temperature deviation measured by the second temperature sensor 7, and the cooler 41 is controlled by the first temperature sensor 5, the third temperature sensor 6 and the second temperature sensor 7.
The working principle is as follows: as shown in fig. 1-3, when in use, the first temperature sensor 5, the third temperature sensor 6 and the second temperature sensor 7 can sense the temperatures of different parts of the furnace roller 2 in the shell 1, and the cooler 41 is started to cool the two ends of the furnace roller 2 to make the temperatures of different parts of the furnace roller 2 close, thereby maintaining the original convexity of the furnace roller 2.
The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An apparatus for suppressing a change in thermal crown of a furnace roller, comprising: heat insulating board (3), inside heat insulating board (3) were installed in shell (1), around between a plurality of stove rollers (2) belted steel (21), heat insulating board (3) are in one side of stove roller (2), cooler fluid reservoir (4) are all installed to shell (1) both sides, cooler (41) are installed at the top of cooler fluid reservoir (4), the input of cooler (41) pass through the pipe with the inside intercommunication of cooler fluid reservoir (4), the output intercommunication of cooler (41) has air duct (42), install on heat insulating board (3) air duct (42), air duct (42) are keeping away from venthole (43) have been seted up to the one end of cooler (41), heat insulating board (3) are close to first temperature sensor (5) and second temperature sensor (7) are installed to one side of stove roller (2), second temperature sensor (7) are in the middle part of heat insulating board (3).
2. The apparatus for suppressing the variation of the thermal crown of a furnace roller according to claim 1, wherein: and a third temperature sensor (6) is installed on one side, close to the furnace roller (2), of the heat insulation plate (3), and the third temperature sensor (6) is located at the mirror image position of the first temperature sensor (5).
3. The apparatus for suppressing the variation of the thermal crown of a furnace roller according to claim 1, wherein: the two air guide pipes (42) are respectively arranged at two ends of the furnace roller (2), and the air outlet holes (43) face the furnace roller (2).
4. The apparatus for suppressing the variation of the thermal crown of a furnace roller according to claim 2, wherein: and the air outlet (43) is provided with a dustproof spray head (44).
5. The apparatus for suppressing the variation of the thermal crown of a furnace roller according to claim 1, wherein: the cooler (41) is controlled by the first temperature sensor (5), the third temperature sensor (6) and the second temperature sensor (7).
6. The apparatus for suppressing the variation of the thermal crown of a furnace roller according to claim 1, wherein: the cooler (41) is a speed-regulating cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222908587.9U CN218372435U (en) | 2022-11-02 | 2022-11-02 | Device for inhibiting furnace roller thermal convexity change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222908587.9U CN218372435U (en) | 2022-11-02 | 2022-11-02 | Device for inhibiting furnace roller thermal convexity change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218372435U true CN218372435U (en) | 2023-01-24 |
Family
ID=84937106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222908587.9U Active CN218372435U (en) | 2022-11-02 | 2022-11-02 | Device for inhibiting furnace roller thermal convexity change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218372435U (en) |
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2022
- 2022-11-02 CN CN202222908587.9U patent/CN218372435U/en active Active
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