CN220550202U - Continuous annealing furnace circulating cooling bellows structure - Google Patents
Continuous annealing furnace circulating cooling bellows structure Download PDFInfo
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- CN220550202U CN220550202U CN202321925634.9U CN202321925634U CN220550202U CN 220550202 U CN220550202 U CN 220550202U CN 202321925634 U CN202321925634 U CN 202321925634U CN 220550202 U CN220550202 U CN 220550202U
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- cooling fan
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- 238000001816 cooling Methods 0.000 title claims abstract description 73
- 238000000137 annealing Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The utility model relates to a circulating cooling bellows structure of a continuous annealing furnace, which comprises a first box body and a second box body which are arranged at the top of the continuous annealing furnace side by side, wherein the induced air directions of the first box body and the second box body are opposite, two ends of the first box body are respectively connected with a circulating cooling fan I and a heat exchanger I, a flap valve I is arranged in an air channel between the circulating cooling fan I and the heat exchanger I, two ends of the second box body are respectively connected with the circulating cooling fan II and the heat exchanger II, and a flap valve II is arranged in the air channel between the circulating cooling fan II and the heat exchanger II. According to the utility model, the flap valve is arranged in the air duct to isolate heat in the furnace, so that the high-temperature gas in the furnace is physically isolated from important elements of the circulating cooling fan when the circulating cooling fan does not operate. Thereby achieving the purposes of reducing the loss of the elements of the circulating cooling fan, prolonging the service life of the circulating cooling fan and reducing the heat loss in the furnace. Ensures the smooth production of the unit and reduces the production cost.
Description
Technical Field
The utility model relates to a continuous annealing furnace, in particular to a circulating cooling bellows structure of a continuous annealing furnace.
Background
The continuous annealing unit is an advanced unit for producing galvanized and cold-rolled products, and the process determines that the unit must have a quick cooling section, namely, a circulating fan is used for carrying out jet cooling on the strip steel, so that the strip steel is cooled to the final cooling temperature at a faster speed. When the product with thinner part thickness is produced, the strip steel can reach the preset final cooling temperature through natural cooling when passing through the fast cooling section, and the circulating fan is in a stalling state at the moment. The quick cooling section is used for sucking cooled air in the furnace through a circulating fan, blowing the air to the surface of the strip steel through a bellows, and circulating in a reciprocating manner; because the process needs when not needing quick cooling section to belted steel cooling, quick air-cooler will stop operation, because at this moment because quick cooling section district temperature is higher can produce adverse effect to the circulative cooling fan and then cause the fan impeller heat altered shape, fan axle crooked, sealed problem such as damage.
In view of the above, in order to protect the important elements such as the impeller, the main shaft, and the seal of the circulating fan, a heat insulation protection device needs to be designed.
The prior published patent CN202121356013.4, a pipeline pneumatic control valve assembly, comprises a flap assembly, a driving part and a baffle, wherein the flap assembly for realizing the opening and closing of the control valve through rotation is arranged at one end of an inner cavity of an air channel, the baffle for preventing fiber accumulation is arranged at one side of a fixed end of the flap assembly and is connected with the side wall of the air channel, and the driving part for controlling the rotation of the flap assembly is arranged at the outer side wall of the air channel. The utility model discloses a rotatory one end of realizing control valve switching's board subassembly of turning over is located wind channel inner chamber, and the baffle that prevents that fibre from piling up is located one side of the upset subassembly stiff end and is connected with the wind channel lateral wall, and the rotatory drive part of control board subassembly is located the outside lateral wall of wind channel. The control valve component can ensure tightness during closing by arranging the inclined rotatable turning plate in the inner cavity of the air duct, improves the sealing effect and prevents external air flow from being mixed; when the turning plate is opened, the air duct can be completely opened, the opening area is large, and smooth discharge of fine dust is facilitated. Through setting up the baffle in one side of wind channel fine dust entry end rotation axis, when the control valve was in the open mode, the board of turning over can be slightly less than the baffle, can not cause fine dust to pile up when the baffle guarantees that fine dust gets into. The main function of the pneumatic control device is to filter and block fibers, the pneumatic control device is driven in a pneumatic mode, the opening degree is adjusted in a rotary mode, and the pneumatic control device is not related to how to adapt to a high-temperature environment.
The prior published patent CN201920228919.4, a novel fan flashboard structure, comprises a flashboard groove body for air flow, wherein a flashboard is arranged in the flashboard groove body in a sliding way; the gate groove body comprises an upper groove body and a lower groove body, the upper groove body and the lower groove body are mutually buckled to form a plate groove for accommodating the gate plate, and sliding grooves matched with the gate plate are formed in the two inner side walls of the plate groove; the sliding chute comprises a horizontal section and a vertical section, the horizontal section extends along the buckling surface of the upper chute body and the lower chute body, the vertical section is positioned on the lower chute body and extends downwards, and the horizontal section is communicated with the vertical section; the front end of the flashboard is provided with a slide bar, and the slide bar stretches into the sliding groove and slides in the sliding groove. The utility model relates to the technical field of air supply equipment, and discloses a novel fan flashboard structure, which comprises a flashboard groove body for air flow circulation, wherein a flashboard is arranged in the flashboard groove body in a sliding manner; the gate groove body comprises an upper groove body and a lower groove body, the upper groove body and the lower groove body are mutually buckled to form a plate groove for accommodating the gate plate, and sliding grooves matched with the gate plate are formed in the two inner side walls of the plate groove; the sliding chute comprises a horizontal section and a vertical section, the horizontal section extends along the buckling surface of the upper chute body and the lower chute body, the vertical section is positioned on the lower chute body and extends downwards, and the horizontal section is communicated with the vertical section; the front end of the flashboard is provided with a slide bar, and the slide bar stretches into the sliding groove and slides in the sliding groove. The utility model utilizes the flashboard structure to control the air flow in the air supply channel, and the flashboard structure can cut off the air flow communication between the fan and the air supply channel, thereby facilitating the rapid cutting off of the air system when the wind pressure is not needed, avoiding the tedious procedure and operation of starting and stopping the fan and simplifying the operation flow.
The flashboard device designed by the patent has horizontal movement and vertical movement in the opening and closing process, and also has an upper groove body and a lower groove body, so that the structure is complex, the requirement on the installation space is higher, and because of the complex structure, the flashboard device has larger failure risk when being used on high-temperature equipment such as a continuous annealing furnace. In summary, the high-temperature-resistant flashboard suitable for the air duct of the continuous annealing furnace must be designed, subjected to great modification and update, and integrated into a plate turnover device which meets the requirement of the air duct space of the fast cooling section of the continuous annealing furnace and has higher high-temperature stability, so that the effects of reducing space influence, reducing fan loss, prolonging the service life of the fan, improving the production efficiency and safety, ensuring the smooth production of a unit and reducing the production cost are achieved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a circulating cooling bellows structure of a continuous annealing furnace, which can effectively protect a circulating cooling fan in a stalling state of the circulating cooling fan.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a continuous annealing furnace circulative cooling bellows structure, includes setting up side by side and moving back box and box two at the furnace top that moves back, and the induced air direction of box one and box two is opposite, and circulating cooling fan and heat exchanger one are connected respectively to the both ends of box one, are equipped with flap valve one in the wind channel between circulating cooling fan one and the heat exchanger one, and circulating cooling fan two and heat exchanger two are connected respectively to the both ends of box two, are equipped with flap valve two in the wind channel between circulating cooling fan two and the heat exchanger two.
The first flap valve and the second flap valve are electric shutter valves.
The distance from the first flap valve to the first center of the circulating cooling fan is 80-200 mm, and the distance from the second flap valve to the second circulating cooling fan is 80-200 mm.
The first circulating cooling fan is driven by the first driving motor, and the second circulating cooling fan is driven by the second driving motor.
The first heat exchanger and the second heat exchanger are plate heat exchangers.
The first box body and the second box body are communicated with the continuous annealing furnace.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the flap valve is arranged in the air duct to isolate heat in the furnace, so that the high-temperature gas in the furnace is physically isolated from important elements of the circulating cooling fan when the circulating cooling fan does not operate. Thereby achieving the purposes of reducing the loss of the elements of the circulating cooling fan, prolonging the service life of the circulating cooling fan and reducing the heat loss in the furnace. Ensures the smooth production of the unit and reduces the production cost.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: the air conditioner comprises a first box body 1, a second box body 2, a circulating cooling fan 3, a heat exchanger 4, an air duct 5 and a flap valve 6.
Detailed Description
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
As shown in figure 1, a continuous annealing furnace recirculated cooling bellows structure, including setting up in the box first 1 and the box second 2 that continuously move back the stove top side by side, the induced draft opposite direction of box first 1 and box second 2, circulated cooling fan first 3 and heat exchanger first 4 are connected respectively at the both ends of box first 1, are equipped with flap valve first 5 in the wind channel between circulated cooling fan first 3 and heat exchanger first 4, circulated cooling fan second 6 and heat exchanger second 7 are connected respectively at the both ends of box second 2, are equipped with flap valve second 8 in the wind channel between circulated cooling fan second 6 and heat exchanger second 7.
The first flap valve 5 and the second flap valve 8 are electric shutter valves.
The distance from the first flap valve 5 to the center of the first circulating cooling fan 3 and the distance from the second flap valve 8 to the second circulating cooling fan 6 are 80-200 mm.
The first circulating cooling fan 3 is driven by the first driving motor 9, and the second circulating cooling fan 6 is driven by the second driving motor 10.
The first heat exchanger 4 and the second heat exchanger 7 are plate heat exchangers.
The first box body 1 and the second box body 2 are communicated with the continuous annealing furnace.
In order to make the purposes, technical schemes and technical effects of the utility model clearer, the technical schemes in the embodiments of the utility model are clearly and completely described. The embodiments described below are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art without the benefit of the teachings of this utility model, are intended to be within the scope of the utility model.
Examples
A circulating cooling bellows structure of a continuous annealing furnace comprises a first box body 1 and a second box body which are arranged at the top of the continuous annealing furnace side by side. The first box body 1 and the second box body 2 are communicated with the continuous annealing furnace.
The induced draft direction of box one 1 and box two 2 is opposite, and circulating cooling fan one 3 and heat exchanger one 4 are connected respectively at the both ends of box one 1, are equipped with flap valve one 5 in the wind channel between circulating cooling fan one 3 and the heat exchanger one 4, and circulating cooling fan two 6 and heat exchanger two 7 are connected respectively at the both ends of box two 2, are equipped with flap valve two 8 in the wind channel between circulating cooling fan two 6 and heat exchanger two 7. The first flap valve 5 and the second flap valve 8 are electric shutter valves. The distance from the first flap valve 5 to the center of the first circulating cooling fan 3 and the distance from the second flap valve 8 to the second circulating cooling fan 6 are 180mm.
The first circulating cooling fan 3 is connected with the first driving motor 9 through a belt transmission mechanism, and the second circulating cooling fan 6 is connected with the second driving motor 10 through a belt transmission mechanism.
The first heat exchanger 4 and the second heat exchanger 7 are plate heat exchangers.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The circulating cooling bellows structure of the continuous annealing furnace is characterized by comprising a first box body and a second box body which are arranged at the top of the continuous annealing furnace side by side, wherein the induced air directions of the first box body and the second box body are opposite, two ends of the first box body are respectively connected with a first circulating cooling fan and a first heat exchanger, a flap valve is arranged in an air channel between the first circulating cooling fan and the first heat exchanger, two ends of the second box body are respectively connected with a second circulating cooling fan and a second heat exchanger, and a second flap valve is arranged in the air channel between the second circulating cooling fan and the second heat exchanger.
2. The circulating cooling bellows structure of a continuous annealing furnace according to claim 1, wherein the first flap valve and the second flap valve are electric shutter valves.
3. The continuous annealing furnace circulating cooling bellows structure according to claim 1, wherein the distance from the first flap valve to the first center of the circulating cooling fan and the distance from the second flap valve to the second circulating cooling fan are both 80mm-200mm.
4. The circulating cooling bellows structure of a continuous annealing furnace according to claim 1, wherein the first circulating cooling fan is driven by a first driving motor, and the second circulating cooling fan is driven by a second driving motor.
5. The continuous annealing furnace circulating cooling bellows structure according to claim 1, wherein the first heat exchanger and the second heat exchanger are plate heat exchangers.
6. The circulating cooling bellows structure of a continuous annealing furnace according to claim 1, wherein the first and second cases are communicated with the continuous annealing furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321925634.9U CN220550202U (en) | 2023-07-21 | 2023-07-21 | Continuous annealing furnace circulating cooling bellows structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321925634.9U CN220550202U (en) | 2023-07-21 | 2023-07-21 | Continuous annealing furnace circulating cooling bellows structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220550202U true CN220550202U (en) | 2024-03-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321925634.9U Active CN220550202U (en) | 2023-07-21 | 2023-07-21 | Continuous annealing furnace circulating cooling bellows structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220550202U (en) |
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2023
- 2023-07-21 CN CN202321925634.9U patent/CN220550202U/en active Active
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