Rolled steel cooling device

Abstract

The utility model discloses a rolled steel cooling device which comprises a water storage tank, a conveying seat, a dehumidification box and an exhaust fan, partition plates are fixedly connected to the left end and the right end of the bottom of an inner cavity of the water storage tank, a filter screen plate and a guide plate are fixedly connected to the upper end of the inner cavity of the water storage tank, and a heat exchange pipe is arranged at the lower end of the inner cavity of the water storage tank. The top of the conveying base is fixedly connected with a fixing cover, the top of an inner cavity of the fixing cover is fixedly connected with a liquid homogenizing plate, a spray head is arranged at the bottom of the liquid homogenizing plate, and the rear end of the top of the liquid homogenizing plate communicates with a liquid separation branch pipe. The cooling device can quickly cool rolled steel, can filter cooled cooling water for multiple times, guarantees the cleanliness of the cooling water, recovers waste heat of the cooling water and steam, guarantees the cooling effect when the cooling water is reused, has the advantages of good cooling effect and waste heat recovery, and is simple in structure, convenient to use and low in cost. And the device is environment-friendly, energy-saving and favorable for market popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of steel rolling transportation, in particular to a steel rolling cooling device. Background Art

[0002] Steel rolling is the process of changing the shape of steel ingots and billets between rotating rollers. The purpose of steel rolling is the same as other pressure processing. On the one hand, it is to obtain the required shape, such as steel plates, strip steel, wire rods and various steel sections; on the other hand, it is to improve the internal quality of steel. Our common automobile plates, bridge steel, boiler steel, pipeline steel, rebar, rebar, electrical silicon steel, galvanized sheet, tin plate, including train wheels are all processed through steel rolling.

[0003] At present, rolled steel needs to be cooled and transported after calcination, and then transported to the next process flow for treatment. During this period, the conveying rollers are easily damaged due to the high temperature of the rolled steel, and a rolled steel cooling device is needed. However, most of the existing rolled steel cooling devices use cooling water spray for cooling, and the cooling water must be recycled. The temperature of the cooling water will rise after use, which will reduce the cooling effect and waste energy when recycled. In addition, the cooling water treatment is not clean enough, which will have a certain impact on the steel. For this reason, we propose a rolled steel cooling device. Utility Model Content

[0004] The utility model aims to provide a steel rolling cooling device, which has the advantages of good cooling effect and waste heat recovery, and solves the problems that most of the existing steel rolling cooling devices use cooling water spraying for cooling and need to circulate the cooling water, and the temperature of the cooling water will rise after use, which will reduce the cooling effect and waste energy when recycled, and the cooling water treatment is not clean enough, which will have a certain impact on the steel.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel rolling cooling device, comprising a water storage tank, a conveying seat, a dehumidification box and an exhaust fan, the left and right ends of the bottom of the inner cavity of the water storage tank are fixedly connected with partitions, the upper end of the inner cavity of the water storage tank is fixedly connected with a filter screen plate and a guide plate, the lower end of the inner cavity of the water storage tank is provided with a heat exchange tube, the top of the conveying seat is fixedly connected with a fixed cover, the top of the inner cavity of the fixed cover is fixedly connected with a liquid equalizing plate, the bottom of the liquid equalizing plate is provided with a nozzle, the rear end of the top of the liquid equalizing plate is connected with a liquid distribution branch pipe, the upper end of the liquid distribution branch pipe is connected with a liquid passing pipe, and the right end of the rear side of the water storage tank is fixedly installed with a pump.

[0006] Preferably, a cold water pipe is provided at the right end of the heat exchange tube, and a drain pipe is provided at the left end of the heat exchange tube.

[0007] Preferably, a conveying seat is fixedly connected to the top of the water storage tank, a conveying roller is movably connected to the inner side of the conveying seat via a bearing, a sprocket is fixedly connected to the rear side of the conveying roller, and a chain is sleeved on the outer side of the sprocket.

[0008] Preferably, a driving motor is fixedly mounted on the left end of the front surface of the conveying seat, and the output end of the driving motor is fixedly connected to the conveying roller.

[0009] Preferably, the liquid inlet end of the pump is connected to the rear side of the water storage tank through a pipeline, and the liquid outlet end of the pump is connected to the right end of the liquid passage pipe through a pipeline.

[0010] Preferably, an air duct is provided on the top of the fixed cover, a dehumidification box is provided on the upper end of the air duct, a dehumidification filter is fixedly connected to the inner cavity of the dehumidification box, an exhaust fan is fixedly installed on the middle end of the top of the dehumidification box, and the air inlet end of the exhaust fan is connected to the middle end of the top of the dehumidification box through a pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model can cool the steel rolling quickly, and can filter the cooled cooling water multiple times to ensure the cleanliness of the cooling water, and can recover the waste heat of cooling water and steam to ensure the cooling effect when the cooling water is used again, achieving the advantages of good cooling effect and waste heat recovery, and has a simple structure, is easy to use, is environmentally friendly and energy-saving, and is conducive to market promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the utility model from the first perspective;

[0014] Figure 2 This is a schematic diagram of the structure of the utility model from a second viewing angle;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model from the third viewing angle.

[0016] In the figure: 1. water storage tank; 2. conveying seat; 3. drain pipe; 4. driving motor; 5. air duct; 6. dehumidification box; 7. exhaust fan; 8. liquid pipe; 9. conveying roller; 10. cold water pipe; 11. fixed cover; 12. liquid distribution branch pipe; 13. chain; 14. sprocket; 15. pump; 16. liquid equalizing plate; 17. dehumidification filter; 18. nozzle; 19. guide plate; 20. partition; 21. heat exchange tube; 22. filter plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The water storage tank 1, conveying seat 2, drain pipe 3, drive motor 4, air duct 5, dehumidification box 6, exhaust fan 7, liquid pipe 8, conveying roller 9, cold water pipe 10, fixed cover 11, liquid distribution branch pipe 12, chain 13, sprocket 14, pump 15, liquid equalizing plate 16, dehumidification filter 17, nozzle 18, guide plate 19, partition 20, heat exchange tube 21 and filter screen plate 22 components of the present application are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0021] See also Figure 1-3A steel rolling cooling device comprises a water storage tank 1, a conveying seat 2, a dehumidification box 6 and an exhaust fan 7, the left and right ends of the bottom of the inner cavity of the water storage tank 1 are fixedly connected with partitions 20, the upper end of the inner cavity of the water storage tank 1 is fixedly connected with a filter screen plate 22 and a guide plate 19, the lower end of the inner cavity of the water storage tank 1 is provided with a heat exchange tube 21, the top of the conveying seat 2 is fixedly connected with a fixed cover 11, the top of the inner cavity of the fixed cover 11 is fixedly connected with a liquid equalizing plate 16, the bottom of the liquid equalizing plate 16 is provided with a nozzle 18, the rear end of the top of the liquid equalizing plate 16 is connected with a liquid distribution branch pipe 12, the upper end of the liquid distribution branch pipe 12 is connected with a liquid passing pipe 8, and the right end of the rear side of the water storage tank 1 is fixedly installed with a pump 15.

[0022] A cold water pipe 10 is disposed at the right end of the heat exchange tube 21 , and a drain pipe 3 is disposed at the left end of the heat exchange tube 21 .

[0023] Through the above technical solution, the flow of the hot water body is facilitated by the arrangement of the cold water pipe 10 and the drain pipe 3.

[0024] The top of the water storage tank 1 is fixedly connected with a conveying seat 2, the inner side of the conveying seat 2 is movably connected with a conveying roller 9 through a bearing, the rear side of the conveying roller 9 is fixedly connected with a sprocket 14, and the outer side of the sprocket 14 is sleeved with a chain 13.

[0025] Through the above technical solution, the rolled steel can be transported by setting the conveying seat 2.

[0026] A driving motor 4 is fixedly mounted on the left end of the front surface of the conveying seat 2 , and an output end of the driving motor 4 is fixedly connected to the conveying roller 9 .

[0027] Through the above technical solution, the driving motor 4 is provided to provide power for the rotation of the conveying roller 9 .

[0028] The liquid inlet end of the pump 15 is communicated with the rear side of the water storage tank 1 through a pipeline, and the liquid outlet end of the pump 15 is communicated with the right end of the liquid passage pipe 8 through a pipeline.

[0029] Through the above technical solution, the pump 15 is provided to provide power for the flow of cooling water.

[0030] An air duct 5 is provided at the top of the fixed cover 11, and a dehumidification box 6 is provided at the upper end of the air duct 5. A dehumidification filter 17 is fixedly connected to the inner cavity of the dehumidification box 6. An exhaust fan 7 is fixedly installed at the middle end of the top of the dehumidification box 6, and the air inlet end of the exhaust fan 7 is connected to the middle end of the top of the dehumidification box 6 through a pipeline.

[0031] Through the above technical solution, the steam generated during the cooling process can be collected by setting the dehumidification box 6 and the exhaust fan 7.

[0032] When in use, after the device is powered on through the external power socket, the external controller turns on the device for operation, and then, with the assistance of the chain 13 and the sprocket 14, the driving motor 4 can drive the conveying roller 9 to rotate, thereby conveying the rolled steel, and the pump 15 can convey the cooling water from the right end of the inner cavity of the water storage tank 1 to the liquid pipe 8, which is dispersed to the liquid equalizing plate 16 through the liquid branch pipe 12 and discharged from the nozzle 18, thereby cooling the rolled steel, and when the exhaust fan 7 is working, it can inhale the steam generated in the cooling process through the air guide pipe 5, and with the assistance of the dehumidification filter 17, the moisture is removed and then discharged to the outside by the exhaust fan 7 for use, thereby reducing energy waste and reducing the cooling production. The excess cooling water can fall on the top of the filter mesh plate 22, and then filter out the waste debris and residue generated by cooling. Then, the filtered water can enter the left end of the inner cavity of the water storage tank 1 through the guide plate 19, and with the assistance of the partition 20, the cooling water can be precipitated again, and then the cooling water can be processed multiple times to ensure its cleanliness. When the heat exchange cold water is transported from the cold water pipe 10 to the heat exchange tube 21, the cold water moves from the right end to the left end of the inner cavity of the water storage tank 1, and is finally discharged and collected by the drain pipe 3, thereby quickly reducing the temperature of the cooling water, ensuring the cooling effect when the cooling water is used again, and recovering the remaining heat to avoid energy waste.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel rolling cooling device, comprising a water storage tank (1), a conveying seat (2), a dehumidification box (6) and an exhaust fan (7), characterized in that: The left and right ends of the bottom of the inner cavity of the water storage tank (1) are fixedly connected to partition plates (20), the upper end of the inner cavity of the water storage tank (1) is fixedly connected to a filter screen plate (22) and a guide plate (19), the lower end of the inner cavity of the water storage tank (1) is provided with a heat exchange tube (21), the top of the conveying seat (2) is fixedly connected to a fixed cover (11), the top of the inner cavity of the fixed cover (11) is fixedly connected to a liquid equalizing plate (16), the bottom of the liquid equalizing plate (16) is provided with a nozzle (18), the rear end of the top of the liquid equalizing plate (16) is connected to a liquid separation branch pipe (12), the upper end of the liquid separation branch pipe (12) is connected to a liquid passage pipe (8), and a pump (15) is fixedly installed at the right end of the rear side of the water storage tank (1).

2. A steel rolling cooling device according to claim 1, characterized in that: A cold water pipe (10) is provided at the right end of the heat exchange tube (21), and a liquid discharge pipe (3) is provided at the left end of the heat exchange tube (21).

3. A steel rolling cooling device according to claim 1, characterized in that: The top of the water storage tank (1) is fixedly connected to a conveying seat (2), the inner side of the conveying seat (2) is movably connected to a conveying roller (9) via a bearing, the rear side of the conveying roller (9) is fixedly connected to a sprocket (14), and the outer side of the sprocket (14) is sleeved with a chain (13).

4. A steel rolling cooling device according to claim 1, characterized in that: A drive motor (4) is fixedly mounted on the left end of the front surface of the conveying seat (2), and the output end of the drive motor (4) is fixedly connected to the conveying roller (9).

5. A steel rolling cooling device according to claim 1, characterized in that: The liquid inlet end of the pump (15) is connected to the rear side of the water storage tank (1) through a pipeline, and the liquid outlet end of the pump (15) is connected to the right end of the liquid passage pipe (8) through a pipeline.

6. A steel rolling cooling device according to claim 1, characterized in that: An air guide duct (5) is arranged at the top of the fixed cover (11), a dehumidification box (6) is arranged at the upper end of the air guide duct (5), a dehumidification filter (17) is fixedly connected to the inner cavity of the dehumidification box (6), an exhaust fan (7) is fixedly installed at the middle end of the top of the dehumidification box (6), and an air inlet end of the exhaust fan (7) is connected to the middle end of the top of the dehumidification box (6) through a pipeline.

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