A cooling device for hot-rolled strip steel

Abstract

The utility model relates to a kind of cooling device for hot-rolled strip steel processing applied to hot-rolled strip steel processing technical field, realize first by controller opening two-way electric push rod to the distance between the adjustment and conveying shaft of upper and lower two U-shaped pipes, according to the thickness of the batch of hot-rolled strip steel of this processing is adjusted to optimum distance, when conveying device drive conveying shaft drives hot-rolled strip steel to be conveyed by controller opening at this time, when conveying shaft drives hot-rolled strip steel to pass through U-shaped pipe, water in water tank can be conveyed into first adapter pipe and second adapter pipe respectively by controller opening suction pump through double-pass head, then be respectively conveyed into corresponding U-shaped pipe from spray head by third conveying pipe, so that the hot-rolled strip steel that passes can be washed and cooled, and cooling mechanism adopts U-shaped ring around design, can all-around cooling of cooling mechanism, the distance between the adjustment and hot-rolled strip steel of U-shaped pipe is carried out up and down, so that the flexibility and practicality of cooling mechanism are higher.

Description

Technical Field

[0001] This utility model relates to a cooling device, and more particularly to a cooling device for hot-rolled strip steel processing applied in the field of hot-rolled strip steel processing technology. Background Technology

[0002] In the production process of hot-rolled strip steel, cooling treatment is a key step to ensure the performance of the strip steel. After hot rolling, the strip steel is at a high temperature and needs to be cooled down to a suitable temperature by a cooling device in order to obtain the required mechanical properties and microstructure.

[0003] Chinese patent CN218424793U discloses a roll cooling device for a hot-rolled strip steel production line. This utility model provides a roll cooling device for a hot-rolled strip steel production line that solves the problems of effective roll cooling and water nozzle blockage.

[0004] Chinese patent CN215143379U discloses a hot-rolled strip steel roll cooling device. This utility model provides a hot-rolled strip steel roll cooling device that improves the convexity caused by the deformation of the roll after heating, thereby reducing the quality defects of the strip steel product, reducing downtime, increasing output, and ensuring stable product quality.

[0005] It has been found that the cooling range and spraying height of the existing hot-rolled strip cooling devices cannot be adjusted according to the actual conditions of the hot-rolled strip, resulting in low flexibility and practicality in their use. Utility Model Content

[0006] The technical problem that this utility model aims to solve in view of the above-mentioned prior art is that the cooling range and spraying height of the cooling nozzle cannot be adjusted according to the actual situation of the hot-rolled strip steel, resulting in low flexibility and practicality in its use.

[0007] To address the aforementioned problems, this utility model provides a cooling device for hot-rolled strip steel processing, comprising a conveying device with a conveying shaft, multiple cooling mechanisms equidistantly installed on the inner wall of the conveying device, and the multiple cooling mechanisms being staggered between multiple conveying shafts. Each cooling mechanism includes a bidirectional electric push rod symmetrically fixed to the inner wall of the conveying device via a connecting rod. Both movable ends of the bidirectional electric push rod are fixedly connected to U-shaped tubes. Multiple nozzles are equidistantly installed on the sides of the two U-shaped tubes that are close to each other. A water inlet is opened on the side wall of the U-shaped tube away from the nozzle. A first adapter pipe and a second adapter pipe are fixedly connected to the top and side ends of the conveying device respectively via clamps. Multiple interfaces corresponding to multiple water inlets are equidistantly opened on the side walls of the first adapter pipe and the second adapter pipe, and the interfaces are connected to the corresponding water inlets via a third conveying pipe. A suction pump is fixedly connected to the side end of the conveying device, and a double-ended head is threadedly connected to the output end of the suction pump. Both ends of the double-ended head are connected to the first adapter pipe and the second adapter pipe via the first conveying pipe and the second conveying pipe respectively.

[0008] In the aforementioned cooling device, the distance between the U-shaped tube and the hot-rolled strip is adjusted vertically, making the cooling mechanism highly flexible and practical.

[0009] As a further supplement to this application, the top of the conveying device is fixedly connected to a plurality of support frames located above the cooling mechanism, and the surface of the support frames is covered with a baffle cloth.

[0010] As a further supplement to this application, threaded shafts are symmetrically fixedly connected to the bottom of the side walls of the support frame, and the baffle is sleeved on the threaded shaft by a buckle, and a nut is threadedly connected to the surface of the threaded shaft.

[0011] As a further supplement to this application, a water tank is placed at the bottom of the conveying device below the cooling mechanism, and a water outlet is provided on the side wall of the water tank.

[0012] As a further supplement to this application, the shielding area on both sides of the conveying device is larger than the coverage area of ​​the cooling mechanism, and there is a gap between the two sides of the conveying device and the ground.

[0013] As a further addition to this application, the suction pump input is connected to the water tank via a water pipe.

[0014] As a further supplement to this application, a controller for controlling the conveying device, the suction pump, and the bidirectional electric actuator is fixedly connected to the conveying device.

[0015] In summary, the controller first activates the bidirectional electric actuator to adjust the distance between the upper and lower U-shaped tubes and the conveyor shaft. The distance is adjusted to the optimal value based on the thickness of the batch of hot-rolled strip steel being processed. Then, the controller activates the conveyor device to drive the conveyor shaft and transport the hot-rolled strip steel. When the conveyor shaft carries the hot-rolled strip steel through the U-shaped tubes, the controller activates the suction pump to transport water from the pool to the first and second transfer pipes through the double-headed pipes. The water is then transported through the third conveyor pipe to the corresponding U-shaped tubes and sprayed out from the nozzles. This process washes and cools the passing hot-rolled strip steel. Furthermore, the cooling mechanism adopts a U-shaped surround design, which allows for all-around cooling. Attached Figure Description

[0016] Figure 1 These are isometric views of the cooling device according to the first and second embodiments of this application; Figure 2 This is a partial structural diagram of the cooling device according to the first embodiment of this application; Figure 3 This is a schematic diagram of the cold zone mechanism structure according to the first embodiment of this application; Figure 4 This is a schematic diagram of the U-shaped tube and bidirectional electric actuator mounting mechanism according to the first embodiment of this application; Figure 5This is a schematic diagram of the support frame distribution according to the second embodiment of this application; Figure 6 For this application Figure 5 Enlarged view of point A in the middle.

[0017] Explanation of the labels in the diagram: 1. Conveying device; 2. Conveying shaft; 3. Bidirectional electric actuator; 4. U-shaped tube; 5. Nozzle; 6. Support frame; 7. Baffle; 8. Suction pump; 9. Double-ended head; 10. First conveying pipe; 11. Second conveying pipe; 12. Water tank; 13. Water outlet; 14. First adapter pipe; 15. Third conveying pipe; 16. Second adapter pipe; 17. Interface; 18. Water inlet; 19. Threaded shaft; 20. Nut; 21. Connecting rod; 22. Clamp. Detailed Implementation

[0018] The two embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0019] First implementation method: Figures 1-4 A cooling device for hot-rolled strip steel processing is shown, comprising a conveyor device 1 with a conveying shaft 2. Multiple cooling mechanisms are equidistantly installed on the inner wall of the conveyor device 1, and these mechanisms are staggered between the multiple conveying shafts 2. Each cooling mechanism includes a bidirectional electric actuator 3 symmetrically fixed to the inner wall of the conveyor device 1 via a connecting rod 21. U-shaped tubes 4 are fixedly connected to the movable ends of both ends of the bidirectional electric actuator 3. Multiple nozzles 5 are equidistantly installed on the sides of two U-shaped tubes 4 that are close to each other. A water inlet 18 is provided on the side wall of the U-shaped tube 4 away from the nozzles 5. The conveyor device 1... The top and side ends are respectively fixedly connected to the first adapter pipe 14 and the second adapter pipe 16 by clamps 22. The side walls of the first adapter pipe 14 and the second adapter pipe 16 are provided with multiple interfaces 17 corresponding to multiple water inlets 18 at equal intervals, and the interfaces 17 and the corresponding water inlets 18 are connected by a third conveying pipe 15. The side end of the conveying device 1 is fixedly connected to a suction pump 8, and the output end of the suction pump 8 is threadedly connected to a double-ended head 9. The two ends of the double-ended head 9 are respectively connected to the first adapter pipe 14 and the second adapter pipe 16 through the first conveying pipe 10 and the second conveying pipe 11. The shielding area on both sides of the conveying device 1 is larger than the coverage area of ​​the cooling mechanism, and there is a gap between the two sides of the conveying device 1 and the ground. The input end of the suction pump 8 is connected to the water tank through a water pipe. A controller that controls the conveying device 1, the suction pump 8 and the bidirectional electric push rod 3 is fixedly connected to the conveying device 1.

[0020] The bidirectional electric actuator 3 adopts existing technology, and those skilled in the art can select a suitable bidirectional electric actuator 3 from the existing technology for installation, such as LINAK.

[0021] The suction pump uses existing technology, and those skilled in the art should select a suitable suction pump from the existing technology for installation, such as Grundfos CR series.

[0022] Working principle: First, the bidirectional electric actuator 3 is activated by the controller to adjust the distance between the upper and lower U-shaped tubes 4 and the conveying shaft 2. The distance is adjusted to the optimal distance according to the thickness of the batch of hot-rolled strip steel being processed. Then, the conveying device 1 is activated by the controller to drive the conveying shaft 2 to convey the hot-rolled strip steel. When the conveying shaft 2 carries the hot-rolled strip steel through the U-shaped tube 4, the suction pump 8 can be activated by the controller to transport water from the pool to the first transfer pipe 14 and the second transfer pipe 16 through the double-through head 9. Then, the water is transported to the corresponding U-shaped tubes 4 through the third conveying pipe 15 and sprayed out from the nozzle 5. This can rinse and cool the hot-rolled strip steel. The cooling mechanism adopts a U-shaped surround design, which can cool the cooling mechanism from all directions. This invention improves the flexibility and practicality of the cooling mechanism by adjusting the distance between the U-shaped tube 4 and the hot-rolled strip.

[0023] Second implementation method: Figure 1 and Figures 5-6 The conveying device 1 is shown to have multiple support frames 6 fixedly connected to the top of the device, which are located above the cooling mechanism. The support frame 6 is covered with a baffle 7. The bottom of each side wall of the support frame 6 is symmetrically fixed with a threaded shaft 19, and the baffle 7 is fastened to the threaded shaft 19 by a buckle. The surface of the threaded shaft 19 is threaded with a nut 20. A water tank 12 is placed at the bottom of the conveying device 1 below the cooling mechanism. The side wall of the water tank 12 has a water outlet 13.

[0024] Working principle: The baffle 7 is placed over the surface of the support frame 6, and the buckle is engaged with the corresponding threaded shaft 19. It is then positioned by the nut 20. At this time, the baffle 7 covers the cooling mechanism. When the hot-rolled strip is rinsed and cooled, it blocks water stains. The surface of the baffle 7 is coated with a waterproof layer and is made of high-temperature resistant material, which plays a role in waterproofing and high-temperature resistance. The cooling water guided by the baffle 7 flows into the water tank 12 along its edge, which prevents the water pressure from being too high and splashing to the surroundings when it comes into contact with the hot-rolled strip. The wastewater after rinsing flows into the water tank 12 for collection and is then discharged from the outlet 13 for recycling. This utility model uses a detachable shield 7 to cover the cooling mechanism, preventing water from splashing onto workers and the ground, thus avoiding water waste.

[0025] In light of current practical needs, the above-described embodiments adopted in this application are not limited to these. Any changes made within the scope of knowledge possessed by those skilled in the art without departing from the concept of this application still fall within the protection scope of this utility model.

Claims

1. A cooling device for hot-rolled strip steel processing, comprising a conveying device (1) with a conveying shaft (2), characterized in that: Multiple cooling mechanisms are equidistantly installed on the inner wall of the conveying device (1), and the multiple cooling mechanisms are staggered between multiple conveying shafts (2). The cooling mechanism includes a bidirectional electric push rod (3) symmetrically fixed to the inner wall of the conveying device (1) by a connecting rod (21). Both ends of the bidirectional electric push rod (3) are fixedly connected to U-shaped tubes (4). Multiple nozzles (5) are equidistantly installed on the sides of the two U-shaped tubes (4) that are close to each other. A water inlet (18) is opened on the side wall of the U-shaped tube (4) away from the nozzles (5). The top and side ends of the conveying device (1) are fixedly connected by clamps (22). The first adapter pipe (14) and the second adapter pipe (16) are provided with multiple interfaces (17) at equal intervals on the side walls of the first adapter pipe (14) and the second adapter pipe (16) corresponding to multiple water inlets (18), and the interfaces (17) and the corresponding water inlets (18) are connected by a third delivery pipe (15). The side end of the delivery device (1) is fixedly connected to a suction pump (8), and the output end of the suction pump (8) is threadedly connected to a double-ended head (9). The two ends of the double-ended head (9) are respectively connected to the first adapter pipe (14) and the second adapter pipe (16) through the first delivery pipe (10) and the second delivery pipe (11).

2. The cooling device for hot-rolled strip processing according to claim 1, characterized in that: The top of the conveying device (1) is fixedly connected to a plurality of support frames (6) located above the cooling mechanism, and the surface of the support frames (6) is covered with a baffle (7).

3. A cooling device for hot-rolled strip processing according to claim 2, characterized in that: The support frame (6) has a threaded shaft (19) symmetrically fixed to the bottom of each side wall, and the baffle (7) is fastened to the threaded shaft (19) by a buckle. The threaded shaft (19) is threaded with a nut (20).

4. A cooling device for hot-rolled strip steel processing according to claim 1, characterized in that: The bottom of the conveying device (1) is located below the cooling mechanism and a water tank (12) is placed therein. The side wall of the water tank (12) is provided with a water outlet (13).

5. A cooling device for hot-rolled strip processing according to claim 1, characterized in that: The shielding area on both sides of the conveying device (1) is greater than the coverage area of ​​the cooling mechanism, and there is a gap between the two sides of the conveying device (1) and the ground.

6. A cooling device for hot-rolled strip processing according to claim 1, characterized in that: The input end of the suction pump (8) is connected to the water tank through a water pipe.

7. A cooling device for hot-rolled strip steel processing according to claim 1, characterized in that: The conveying device (1) is fixedly connected to a controller that controls the conveying device (1), the suction pump (8), and the bidirectional electric push rod (3).

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