CN211394596U - Variable circulation air current annealing furnace - Google Patents
Variable circulation air current annealing furnace Download PDFInfo
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- CN211394596U CN211394596U CN201922264080.2U CN201922264080U CN211394596U CN 211394596 U CN211394596 U CN 211394596U CN 201922264080 U CN201922264080 U CN 201922264080U CN 211394596 U CN211394596 U CN 211394596U
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Abstract
The utility model discloses a variable circulation air current annealing furnace, which belongs to the field of annealing furnaces and comprises an annealing furnace body, wherein a circulation fan motor is fixedly arranged on the upper surface of the annealing furnace body, a circulation fan is fixedly arranged at the middle position of the inner wall of the top part of the annealing furnace body, electric heaters are respectively arranged at the two sides of the inner wall of the top part of the annealing furnace body, a heating cavity is arranged below the electric heaters, a suspended material rack is arranged below the circulation fan, a vertical guide plate is fixedly arranged at one side of the heating cavity, which is close to the suspended material rack, a hot air jet orifice is arranged on the vertical guide plate, and furnace heat preservation walls are arranged; the utility model discloses abandoned traditional annealing stove and only annealed under the fixed mode, the hot gas flow circulation mode that adopts the returning face plate mechanism of adjustable aperture to alternate the annealing stove can reach whole roll of high efficiency annealing and cut the back many rolls of dual mode compatibility of the difference in temperature of annealing side by side, a stove dual-purpose small investment, efficient.
Description
Technical Field
The utility model belongs to the technical field of annealing stove, concretely relates to variable circulation wind current annealing stove.
Background
There are generally two heating modes for the aluminum coil during annealing, radial heat transfer and axial heat transfer. The two heat transfer modes respectively correspond to the annealing furnaces with two structures, wherein hot air is blown upwards from the bottom of a vertical guide plate, air flow rubs with the outer layer of the aluminum coil, and heat is transferred from the outer layer to the inner layer, namely radial heat transfer; the latter is that hot air is jetted from the side of the vertical guide plate at high pressure, the high-speed hot air flow impacts the end face of the aluminum coil, and the heat is transferred from the end face to the center, namely, the heat is transferred axially.
Firstly, the annealing furnace with a radial heating structure can anneal a whole wide roll and can also anneal a slit narrow small roll, and because a gap is formed between layers of the aluminum roll, solid and gas cross transfer heat, the conduction efficiency is low, and the larger the gap between the layers is, the slower the heat transfer is, and the lower the annealing efficiency is; secondly, heat of the annealing furnace with the axial heat transfer structure is conducted to the inside from the end face, the transfer efficiency between solids is high, but the whole aluminum coil can only be withdrawn, the cut narrow aluminum coil needs to be placed on a plurality of discs by one shaft, hot air jetted from the side face cannot impact the end face of a middle disc, so that the temperature difference between the aluminum coils is large, and the performance of the aluminum coil is unstable and even the aluminum coil is discarded; therefore, no matter the conventional annealing furnace is in a radial heat transfer structure or an axial heat transfer structure, once the furnace body falls into the structure, the heat transfer mode cannot be changed, the structure of the furnace body cannot be adjusted according to the requirements of the annealing process, and the efficiency cannot be pursued and the stability of the annealing performance of the aluminum coil cannot be ensured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a variable circulation air current annealing stove 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:
a variable circulating air flow annealing furnace comprises an annealing furnace body, wherein a circulating fan motor is fixedly installed on the upper surface of the annealing furnace body, a circulating fan is fixedly installed in the middle position of the inner wall of the top of the annealing furnace body, electric heaters are installed on two sides of the inner wall of the top of the annealing furnace body, a heating cavity is arranged below the electric heaters, a suspended material rack is installed below the circulating fan, a vertical guide plate is fixedly installed on one side, close to the suspended material rack, of the heating cavity, a hot air injection port is formed in the vertical guide plate, furnace heat preservation walls are arranged on two sides of the annealing furnace body, turnover plate bases are fixedly installed on the inner side walls of the two furnace heat preservation walls, a turnover plate support is fixedly installed on the upper surface of the turnover plate base, a turnover plate is movably installed on the upper surface of the turnover plate support, and an electric actuator is, the front end of the electric actuator is rotatably connected with the turnover plate through a connecting shaft, a universal coupling is further connected between the connecting shaft and the turnover plate, a sliding groove is formed in the inner surface of the vertical guide plate, an adjusting baffle is slidably mounted inside the sliding groove, a hot air through hole is formed in the inner surface of the adjusting baffle, and an operating rod is fixedly connected to one end of the adjusting baffle.
As a preferred embodiment, the aluminum coil is clamped on the hanging rack.
As a preferred embodiment, the number of the hot air injection ports is several, and several of the hot air injection ports are vertically and uniformly distributed.
In a preferred embodiment, an electric actuator base is fixedly mounted at the bottom of the electric actuator.
In a preferred embodiment, the shape of the turnover plate is in a straight line shape, and the number of the turnover plates is at least three.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses abandoned traditional annealing stove and only annealed under the fixed mode, adopted the hot gas flow circulation mode of the returning face plate mechanism transform annealing stove of adjustable aperture, can reach whole roll of high efficiency annealing and cut the back many rolls of dual mode compatibility of the difference in temperature of annealing side by side, a stove is dual-purpose small investment, and is profitable. The device is also provided with an electric actuator, has on-off state feedback, and is good in stability, simple to maintain, time-saving and labor-saving.
The variable circulation air current annealing furnace is provided with a turnover plate, a turnover plate bracket, a turnover plate base, a universal coupling, a connecting shaft and an electric actuator, wherein the turnover plate with adjustable opening degree is added for the annealing furnace, the turnover plate extends to the outer vertical surface of the rear wall of the annealing furnace through the universal coupling and is connected with the electric actuator, the electric actuator adjusts the on-off state of the turnover plate, when the electric turnover plate is closed, the electric turnover plate is equivalent to axial heat transfer, and the high efficiency can be achieved aiming at the annealing of the whole roll aluminum coil, when the electric turnover plate is opened, airflow firstly flows from the bottom of a smooth air deflector of the airflow through an opening of the turnover plate from bottom to top, the electric turnover plate is equivalent to the effect of a radial heat transfer furnace, and secondly, a part of airflow is blown to the end surface of the aluminum coil from the side through a jet orifice, but because the turnover plate is opened, the pressure of the airflow on the side, moreover, the adjusting baffle is arranged in the vertical guide plate, so that the opening degree of the hot air jet orifices in the vertical guide plate can be adjusted, and people can adjust the size of hot air according to different requirements conveniently.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the roll-over plate and the electric actuator of the present invention;
fig. 3 is a schematic structural view of the vertical deflector of the present invention.
In the figure: 1. a furnace insulation wall; 2. a circulating fan motor; 3. a circulating fan; 4. an electric heater; 5. a heating cavity; 6. a hot air injection port; 7. a vertical baffle; 8. a suspended material rack; 9. rolling aluminum; 10. a turnover plate; 11. a roll-over plate support; 12. a roll-over plate base; 13. a universal coupling; 14. a connecting shaft; 15. an electric actuator base; 16. an electric actuator; 17. an annealing furnace body; 18. a chute; 19. adjusting the baffle; 20. a hot air through hole; 21. an operating lever.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-3, the utility model provides a variable circulation air flow annealing furnace, which comprises an annealing furnace body 17, wherein a circulation fan motor 2 is fixedly arranged on the upper surface of the annealing furnace body 17, a circulation fan 3 is fixedly arranged at the middle position of the top inner wall of the annealing furnace body 17, electric heaters 4 are respectively arranged at the two sides of the top inner wall of the annealing furnace body 17, a heating cavity 5 is arranged below the electric heaters 4, a suspended material rack 8 is arranged below the circulation fan 3, a vertical guide plate 7 is fixedly arranged at one side of the heating cavity 5 close to the suspended material rack 8, a hot air injection port 6 is arranged on the vertical guide plate 7, furnace thermal insulation walls 1 are arranged at the two sides of the annealing furnace body 17, turnover plate bases 12 are respectively and fixedly arranged on the inner side walls of the two furnace thermal insulation walls 1, turnover plate supports 11 are fixedly arranged on the upper surfaces of the turnover plate bases, an electric actuator 16 is fixedly installed on the outer wall of the rear side of the furnace heat-insulating wall 1, the front end of the electric actuator 16 is rotatably connected with the turnover plate 10 through a connecting shaft 14, a universal coupling 13 is further connected between the connecting shaft 14 and the turnover plate 10, a sliding groove 18 is formed in the inner surface of the vertical guide plate 7, an adjusting baffle plate 19 is slidably installed inside the sliding groove 18, a hot air through hole 20 is formed in the inner surface of the adjusting baffle plate 19, and one end of the adjusting baffle plate 19 is fixedly connected with an operating rod 21.
The aluminum coil 9 is clamped on the suspended material rack 8, the number of the hot air injection ports 6 is a plurality, the hot air injection ports 6 are vertically and uniformly distributed, the bottom of the electric actuator 16 is fixedly provided with an electric actuator base 15, the turnover plate 10 is in a straight shape, and the number of the turnover plate 10 is at least three.
When in use, the turnover plate 10 is arranged on the turnover plate bracket 11 and is close to the bottom of the vertical guide plate 7, the turnover plate is opened and closed, when the turnover plate 10 is closed, the furnace top is provided with the axial flow high-temperature centrifugal circulating fan 3, the circulating fan 3 sucks air through the top, the air flow is heated when passing through the electric heater 4 arranged between the furnace heat preservation wall 1 and the vertical guide plate 7, the hot air flow impacts the end surface of the aluminum coil 9 from the hot air jet orifice 6 arranged on the vertical guide plate 7, hot air circulation is established in a hearth, when the turnover plate 10 is opened, an axial flow high-temperature centrifugal circulating fan 3 is installed at the top of the furnace, the circulating fan 3 sucks air through the top, airflow is heated when passing through an electric heater 4 installed between a furnace heat-insulating wall 1 and a vertical guide plate 7, main hot airflow is blown out from an opening of the turnover plate 10 and rubs with the outer layer cambered surface of an aluminum coil 9 upwards from the bottom of the hearth to establish main hot air circulation; the utility model abandons the traditional annealing furnace which can only anneal in a fixed mode, adopts a turnover plate 10 mechanism with adjustable opening degree to change the hot air circulation mode of the annealing furnace, can achieve the double mode compatibility of the whole roll high-efficiency annealing and the multi-roll side-by-side annealing after cutting, the investment is low and the efficiency is high.
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 (5)
1. The utility model provides a variable circulation wind current annealing stove, includes the annealing furnace body, its characterized in that: the annealing furnace comprises an annealing furnace body, a circulating fan motor, a circulating fan, an electric heater, a heating chamber, a suspension material rack, a vertical guide plate, a hot air jet orifice, furnace heat preservation walls, two turnover plate bases, a turnover plate bracket, a turnover plate, an electric actuator and a connecting shaft, wherein the circulating fan motor is fixedly arranged on the upper surface of the annealing furnace body, the circulating fan is fixedly arranged in the middle of the inner wall of the top of the annealing furnace body, the electric heater is respectively arranged at two sides of the inner wall of the top of the annealing furnace body, the heating chamber is fixedly arranged at one side of the suspension material rack, the vertical guide plate is provided with the hot air jet orifice, the turnover plate bases are fixedly arranged on the inner side walls of the two furnace heat preservation walls, the turnover plate bracket is fixedly arranged on the upper surface of the turnover plate bracket, the turnover plate is movably arranged on the upper, the universal coupling is further connected between the connecting shaft and the turnover plate, a sliding groove is formed in the inner surface of the vertical guide plate, an adjusting baffle is slidably mounted inside the sliding groove, a hot air through hole is formed in the inner surface of the adjusting baffle, and one end of the adjusting baffle is fixedly connected with an operating rod.
2. The variable circulation air blast annealer of claim 1, wherein: and an aluminum coil is clamped on the suspended material rack.
3. The variable circulation air blast annealer of claim 1, wherein: the number of the hot air jet orifices is a plurality, and the hot air jet orifices are vertically and uniformly distributed.
4. The variable circulation air blast annealer of claim 1, wherein: and an electric actuator base is fixedly arranged at the bottom of the electric actuator.
5. The variable circulation air blast annealer of claim 1, wherein: the shape of returning face plate is the font, and the quantity of returning face plate is at least three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264080.2U CN211394596U (en) | 2019-12-17 | 2019-12-17 | Variable circulation air current annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264080.2U CN211394596U (en) | 2019-12-17 | 2019-12-17 | Variable circulation air current annealing furnace |
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| Publication Number | Publication Date |
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| CN211394596U true CN211394596U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922264080.2U Active CN211394596U (en) | 2019-12-17 | 2019-12-17 | Variable circulation air current annealing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134315A (en) * | 2021-11-18 | 2022-03-04 | 蔡平 | Intelligent control treatment equipment for hot rolled steel plate heat treatment plate shape |
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2019
- 2019-12-17 CN CN201922264080.2U patent/CN211394596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134315A (en) * | 2021-11-18 | 2022-03-04 | 蔡平 | Intelligent control treatment equipment for hot rolled steel plate heat treatment plate shape |
| CN114134315B (en) * | 2021-11-18 | 2023-09-05 | 娄底市洪申科技有限公司 | Intelligent control processing equipment for heat treatment plate shape of hot rolled steel plate |
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