Rapid cooling device for steel strip in continuous annealing equipment

Abstract

The utility model relates to the technical field of continuous annealing of steel belts, in particular to a rapid cooling device of a steel belt in continuous annealing equipment, which comprises a box body, the top of the box body is connected with a cover body through a connecting rod, the left side and an inner cavity of the cover body are respectively provided with a rotating motor and a threaded rod, and the surface of the threaded rod is sleeved with a moving block in a threaded mode. An air supply pipe, absorbent cotton and a cooling pipe are sequentially arranged at the bottom of the moving block from left to right, a water pump is connected to the right side of the box body through bolts, and a water outlet pipe of the water pump communicates with a three-way pipe. Through cooperation of the rotating motor, the threaded rod, the air supply pipe, the absorbent cotton, the cooling pipe, the cold guide plate and the semiconductor cooler, the steel belt cooling device has the advantage of being capable of conducting multiple cooling on a steel belt, and an operator sprays water mist to the surface of the steel belt through the water pump and the cooling pipe for cooling; and cooling water flowing in the spiral pipe can cool the surface of the steel strip through the cold guide plate, and the cooling effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of continuous annealing of steel strips, in particular to a rapid cooling device for steel strips in continuous annealing equipment. Background Art

[0002] Continuous annealing is a production method in which the steel strip continuously passes through the annealing furnace. The annealing furnace is unsealed and the steel strip is directly coiled without stopping. A rapid cooling device is required in the continuous annealing equipment to cool the steel strip.

[0003] After searching, the patent number is CN212451558U, and the name is a utility model for a rapid cooling device for steel strip processing, which includes an upper water tank and a lower water tank correspondingly arranged above and below. Through research and analysis, it is found that although it can ensure that the steel strip can be cooled quickly and evenly during use, and improve the product quality and production efficiency of the steel strip, etc., it still has the following disadvantages to a certain extent.

[0004] For example, the cooling structure of the device is relatively simple, and the cooling effect is general, so the cooling of the steel strip takes a lot of time, which reduces the efficiency of steel strip manufacturing. In order to solve the above technical problems, we have designed a rapid cooling device for steel strip in continuous annealing equipment. Utility Model Content

[0005] The utility model aims to provide a rapid cooling device for a steel strip in a continuous annealing device, which has the advantages of being able to perform multiple cooling on the steel strip and having good energy saving performance, thereby solving the problem that the steel strip is usually not capable of multiple cooling.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rapid cooling device for a steel strip in a continuous annealing device, comprising a box body, the top of the box body is connected to a cover body by a connecting rod, a rotating motor and a threaded rod are respectively provided on the left side and the inner cavity of the cover body, a moving block is provided on the surface threaded sleeve of the threaded rod, an air supply pipe, water absorbent cotton and a cooling pipe are provided in sequence at the bottom of the moving block from left to right, a water pump is connected to the right side of the box body by bolts, the water outlet pipe of the water pump is connected to a three-way pipe, the left side and the top of the three-way pipe are respectively connected to a spiral pipe and a telescopic hose, a cold conduction plate and a semiconductor refrigerator are respectively penetrated at the top and the bottom of the box body, an air supply mechanism is penetrated at the bottom of the moving block, the top of the water absorbent cotton is fixedly connected to a cylinder, an inclined groove is provided on the right side of the top of the box body, a water seepage hole is provided at the bottom of the inclined groove, and a controller is fixedly connected to the front side of the box body.

[0007] Preferably, the air supply mechanism includes a rectangular box, which is arranged through the bottom of the moving block, a dustproof net is fixedly embedded on the top of the rectangular box, a fan is provided in the inner cavity of the rectangular box, the bottom of the rectangular box is connected to the air supply pipe, and the output end of the controller is electrically connected to the fan in one direction.

[0008] Preferably, a temperature sensor is fixedly connected to the left side of the inner cavity of the box, and the controller is bidirectionally electrically connected to the temperature sensor.

[0009] Preferably, the front side of the telescopic hose penetrates into the inner cavity of the cover body, the bottom of the telescopic hose penetrates the moving block and is connected to the cooling pipe, and the left side of the spiral tube penetrates into the inner cavity of the box body.

[0010] Preferably, the top of the cylinder passes through the moving block and is fixedly connected to the inner cavity of the cover body, and the rotating shaft of the rotating motor passes through the inner cavity of the cover body and is fixedly connected to the threaded rod.

[0011] Preferably, the top of the spiral tube contacts the cooling plate, the top of the cooling plate is connected to the limiting block by bolts, the left side of the inner cavity of the cover body is fixedly connected to the limiting rod, and the right side of the limiting rod passes through the moving block.

[0012] Preferably, the water inlet pipe of the water pump is connected to the box body, and the output end of the controller is unidirectionally electrically connected to the rotating motor, the water pump, the semiconductor refrigerator and the cylinder respectively.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model has the advantage of being able to perform multiple cooling on the steel strip through the cooperation of a rotating motor, a threaded rod, an air supply pipe, a water-absorbing cotton, a cooling pipe, a cold conduction plate and a semiconductor refrigerator. The operator sprays water mist onto the surface of the steel strip through a water pump and a cooling pipe for cooling, and the cooling water flowing in the spiral pipe can cool the surface of the steel strip through the cold conduction plate, and the cooling effect is better.

[0015] 2. The utility model has the advantage of good energy saving through the cooperation of water pump, telescopic hose, spiral tube, inclined groove and water seepage hole. The operator absorbs the cooling water on the surface of the steel belt through the absorbent cotton, and returns the water to the box body through the squeezing of the inclined groove. After being cooled by the semiconductor refrigerator, it can be reused, and the device has good energy saving performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the cross-sectional axial view of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the axial explosion of the local structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the local structure of the utility model from the axial side;

[0019] Figure 4 This is a schematic diagram of the structure of the utility model from the front view.

[0020] In the figure: 1. box body; 2. cover body; 3. rotating motor; 4. threaded rod; 5. moving block; 6. air supply pipe; 7. absorbent cotton; 8. cooling pipe; 9. water pump; 10. spiral tube; 11. telescopic hose; 12. cold plate; 13. semiconductor refrigerator; 14. air supply mechanism; 15. cylinder; 16. rectangular box; 17. dust net; 18. fan; 19. temperature sensor; 20. limit rod; 21. inclined groove; 22. water seepage hole; 23. controller. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 4 A rapid cooling device for a steel strip in a continuous annealing device comprises a box body 1, the top of the box body 1 is connected with a cover body 2 through a connecting rod, a rotating motor 3 and a threaded rod 4 are respectively arranged on the left side and the inner cavity of the cover body 2, a moving block 5 is threadedly sleeved on the surface of the threaded rod 4, an air supply pipe 6, water-absorbing cotton 7 and a cooling pipe 8 are arranged on the bottom of the moving block 5 from left to right, a water pump 9 is bolted to the right side of the box body 1, a water outlet pipe of the water pump 9 is connected with a three-way pipe, a spiral pipe 10 and a telescopic hose 11 are respectively connected on the left and top of the three-way pipe, a cold guide plate 12 and a semiconductor refrigerator 13 are respectively penetrated on the top and bottom of the box body 1, an air supply mechanism 14 is penetrated on the bottom of the moving block 5, a cylinder 15 is fixedly connected to the top of the water-absorbing cotton 7, an inclined slot 21 is opened on the right side of the top of the box body 1, a water seepage hole 22 is opened at the bottom of the inclined slot 21, and a controller 23 is fixedly connected to the front side of the box body 1.

[0022] See also Figure 1 , Figure 2 and Figure 4 The air supply mechanism 14 includes a rectangular box 16, which is arranged through the bottom of the moving block 5. A dustproof net 17 is fixedly embedded on the top of the rectangular box 16. A fan 18 is arranged in the inner cavity of the rectangular box 16. The bottom of the rectangular box 16 is connected with the air supply pipe 6. By arranging the rectangular box 16, the dustproof net 17, the fan 18 and the air supply pipe 6, the surface of the steel belt can be dried to prevent the residual water on the surface of the steel belt from affecting the use of the steel belt. The output end of the controller 23 is electrically connected to the fan 18 in a unidirectional manner.

[0023] See also Figure 1 and Figure 4 A temperature sensor 19 is fixedly connected to the left side of the inner cavity of the box body 1. By setting the temperature sensor 19, the water temperature in the box body 1 can be sensed and the signal can be transmitted to the controller 23. The controller 23 is bidirectionally electrically connected to the temperature sensor 19.

[0024] See also Figure 1 and Figure 3 The front side of the telescopic hose 11 penetrates into the inner cavity of the cover body 2, and the bottom of the telescopic hose 11 penetrates the moving block 5 and is connected to the cooling pipe 8. By setting the spiral tube 10, the steel belt can be cooled by the cold conduction plate 12, thereby improving the practicality of the device. The left side of the spiral tube 10 penetrates into the inner cavity of the box body 1.

[0025] See also Figure 1 and Figure 4 The top of the cylinder 15 passes through the moving block 5 and is fixedly connected to the inner cavity of the cover body 2. The rotating shaft of the rotating motor 3 passes through the inner cavity of the cover body 2 and is fixedly connected to the threaded rod 4. By setting the rotating motor 3 and the threaded rod 4, the moving block 5 can be driven to move, thereby cooling the steel strip.

[0026] See also Figure 1 , Figure 3 and Figure 4 The top of the spiral tube 10 is in contact with the cold conduction plate 12, the top of the cold conduction plate 12 is connected to the limiting block by bolts, the left side of the inner cavity of the cover body 2 is fixedly connected with the limiting rod 20, and the right side of the limiting rod 20 penetrates the moving block 5. By setting the cold conduction plate 12 and the cooling tube 8, the steel strip can be cooled multiple times, which is beneficial to the manufacturing of the steel strip.

[0027] See also Figure 1 and Figure 4 The water inlet pipe of the water pump 9 is connected to the box body 1, and the output end of the controller 23 is unidirectionally electrically connected to the rotating motor 3, the water pump 9, the semiconductor refrigerator 13 and the cylinder 15 respectively. By setting the inclined groove 21 and the water seepage hole 22, the water body can be reused, which is beneficial to improving the energy saving of the device.

[0028] During use, the operator places the steel strip in the limit block, operates the controller 23 to control the water pump 9 and the semiconductor refrigerator 13 to work, so that the cooling water enters the telescopic hose 11 and the cooling pipe 8, and cools the surface of the steel strip. At the same time, the water circulates through the spiral tube 10, and the cold in the water is transferred to the surface of the steel strip through the cold conduction plate 12, thereby further cooling the steel strip. The operator operates the controller 23 to control the rotating motor 3 to drive the threaded rod 4 to rotate, so that the moving block 5 moves to the right, thereby uniformly cooling the steel strip. Then, the operator operates the controller 23 to control the cylinder 15 to drive the absorbent cotton 7 to move downward, thereby drying the water on the surface of the steel strip. The operator operates the controller 23 to control the fan 18 to work, thereby drying the water on the surface of the steel strip and achieving a certain cooling effect. Then, the absorbent cotton 7 is located at the top of the chute 21, so that the cylinder 15 drives the absorbent cotton 7 to squeeze the chute 21, and the water in the absorbent cotton 7 flows back to the box 1 through the seepage hole 22, thereby improving the energy saving of the device.

[0029] In summary: the rapid cooling device for the steel strip in the continuous annealing equipment solves the problem that it is usually not possible to perform multiple cooling on the steel strip by cooperating with the rotating motor 3, the threaded rod 4, the air supply pipe 6, the absorbent cotton 7, the cooling pipe 8, the cold plate 12, the semiconductor refrigerator 13, the water pump 9, the telescopic hose 11, the spiral tube 10, the inclined groove 21 and the water seepage hole 22.

Claims

1. A rapid cooling device for a steel strip in a continuous annealing device, comprising a box (1), characterized in that: The top of the box body (1) is connected to the cover body (2) via a connecting rod, the left side and the inner cavity of the cover body (2) are respectively provided with a rotating motor (3) and a threaded rod (4), the surface of the threaded rod (4) is provided with a moving block (5), the bottom of the moving block (5) is provided with an air supply pipe (6), a water absorbent cotton (7) and a cooling pipe (8) in sequence from left to right, the right side of the box body (1) is connected to a water pump (9) via bolts, the water outlet pipe of the water pump (9) is connected to a three-way pipe, the left side and the top of the three-way pipe are respectively connected to A spiral tube (10) and a telescopic hose (11) are provided, the top and bottom of the box body (1) are respectively penetrated by a cooling plate (12) and a semiconductor refrigerator (13), the bottom of the moving block (5) is penetrated by an air supply mechanism (14), the top of the absorbent cotton (7) is fixedly connected to a cylinder (15), the right side of the top of the box body (1) is provided with an inclined groove (21), the bottom of the inclined groove (21) is provided with a water seepage hole (22), and the front side of the box body (1) is fixedly connected to a controller (23).

2. The rapid cooling device for a steel strip in a continuous annealing device according to claim 1, characterized in that: The air supply mechanism (14) comprises a rectangular box (16), the rectangular box (16) is arranged through the bottom of the moving block (5), a dust screen (17) is fixedly embedded on the top of the rectangular box (16), a fan (18) is arranged in the inner cavity of the rectangular box (16), the bottom of the rectangular box (16) is connected to the air supply pipe (6), and the output end of the controller (23) is unidirectionally electrically connected to the fan (18).

3. The rapid cooling device for a steel strip in a continuous annealing device according to claim 1, characterized in that: A temperature sensor (19) is fixedly connected to the left side of the inner cavity of the box body (1), and the controller (23) is bidirectionally electrically connected to the temperature sensor (19).

4. The rapid cooling device for a steel strip in a continuous annealing device according to claim 1, characterized in that: The front side of the telescopic hose (11) penetrates into the inner cavity of the cover body (2), the bottom of the telescopic hose (11) penetrates through the moving block (5) and is connected to the cooling pipe (8), and the left side of the spiral tube (10) penetrates into the inner cavity of the box body (1).

5. The rapid cooling device for a steel strip in a continuous annealing device according to claim 1, characterized in that: The top of the cylinder (15) passes through the moving block (5) and is fixedly connected to the inner cavity of the cover body (2); the rotating shaft of the rotating motor (3) passes through the inner cavity of the cover body (2) and is fixedly connected to the threaded rod (4).

6. The rapid cooling device for steel strip in a continuous annealing device according to claim 1, characterized in that: The top of the spiral tube (10) contacts the cooling plate (12), the top of the cooling plate (12) is connected to a limiting block via bolts, the left side of the inner cavity of the cover body (2) is fixedly connected to a limiting rod (20), and the right side of the limiting rod (20) passes through the moving block (5).

7. The rapid cooling device for a steel strip in a continuous annealing device according to claim 1, characterized in that: The water inlet pipe of the water pump (9) is connected to the box body (1), and the output end of the controller (23) is unidirectionally electrically connected to the rotating motor (3), the water pump (9), the semiconductor refrigerator (13) and the cylinder (15).

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