Spraying device for preventing roller way from being adhered with aluminum

Abstract

The utility model relates to the technical field of hot mill transportation roller ways, in particular to a spraying device for preventing aluminum from adhering to a roller way, which comprises a roller way support, a plurality of rollers and a transition plate which are arranged on the roller way support at intervals, a transition plate support which is arranged below the transition plate, and a liquid collecting box, an oil receiving box and a settling box which are communicated with one another, the oil receiving box is arranged below the roller, a spraying pipe is arranged in the oil receiving box, the spraying pipe is connected with the liquid collecting box through a liquid inlet pipeline, and the bottom of the oil receiving box is communicated with the settling box through a liquid return pipeline. The aluminum sticking of the roller way is reduced, and the abrasion of the roller way is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hot rolling mill conveying roller tables, and particularly relates to a spraying device for preventing aluminum sticking on the roller table. Background Art

[0002] In the production process of high-purity electronic aluminum foil light foil, hot rolling is a key process for controlling the surface quality of electronic aluminum foil. During the rolling process, when the high-temperature aluminum strip contacts the normal-temperature conveying roller table of the rolling mill, aluminum sticking is likely to occur on the contact surface of the roller table. Long-term operation and accumulation are likely to cause surface quality defects such as peeling and metal embedding on the surface of the aluminum strip. Therefore, optimizing and reducing aluminum sticking on the conveying roller table during the rolling process is one of the key control points for the process quality of the hot rolling mill.

[0003] The existing treatment methods for aluminum sticking on the roller table usually use ordinary grinding methods such as sandpaper. This method has the following problems:

[0004] First, the manual labor intensity is high, and a large amount of human input is required;

[0005] Second, it is impossible to prevent aluminum sticking on the roller table during the production process of the same furnace, and repeated cleaning is required;

[0006] Third, repeated grinding increases the wear of the conveying roller table.

[0007] Therefore, there is an urgent need for a device that can prevent aluminum sticking on the roller table, does not cause wear to the roller table, and reduces manual labor. Summary of the Invention

[0008] The utility model provides a spraying device for preventing aluminum sticking on the conveying roller table of a hot rolling mill to solve the problems of aluminum sticking and wear on the conveying roller table of the hot rolling mill, reduce aluminum sticking on the roller table, and reduce the wear of the roller table.

[0009] To achieve the above object, the technical solution of the utility model is as follows:

[0010] A spraying device for preventing aluminum sticking on a roller table includes a roller table bracket, on which a plurality of rollers and transition plates are arranged at intervals. A transition plate bracket is arranged below the transition plate. The device further includes a liquid collecting tank, an oil receiving box, and a sedimentation tank that are interconnected. The oil receiving box is arranged below the rollers, and a spraying pipe is arranged in the oil receiving box. The spraying pipe is connected to the liquid collecting tank through a liquid inlet pipeline, and the bottom of the oil receiving box is connected to the sedimentation tank through a liquid return pipeline. The spraying pipe sprays the rollers to form an oil film on the surface of the rollers. The liquid collecting tank supplies liquid to the spraying pipe, and the sedimentation tank recovers the emulsion after use.

[0011] Further, the number of the oil receiving boxes is multiple, and the oil receiving boxes are arranged between the transition plate brackets, and the rollers are arranged in the middle of the oil receiving boxes. An oil receiving box is arranged at each roller.

[0012] Further, a centrifugal pump is provided on the liquid inlet pipeline. A suction port ball valve is provided at the liquid inlet end of the centrifugal pump, and an outlet ball valve is provided at the liquid outlet end. The centrifugal pump pumps the net emulsion in the liquid collection tank into the spray pipe. The suction port ball valve prevents the net emulsion from flowing back, and the outlet ball valve controls the opening and closing of the liquid inlet pipeline.

[0013] Further, an overflow circuit is also connected between the liquid inlet pipeline and the liquid collection tank, and an overflow ball valve is provided on the overflow circuit. Excessive flow is allowed to overflow back into the liquid collection tank through the overflow circuit to avoid waste.

[0014] Further, the spray pipe is arranged obliquely below the roller, and at least two groups of nozzles are provided on the spray pipe. The nozzles spray towards the surface of the roller to form an oil film on the roller surface, reducing the contact between the aluminum strip and the roller, reducing aluminum sticking, and thus reducing roller wear.

[0015] Further, the pipe diameter of the liquid return pipeline is larger than that of the liquid inlet pipeline. This prevents impurities mixed in the recycled emulsion from clogging the liquid return pipeline.

[0016] Further, the liquid collection tank and the sedimentation tank are arranged in a rectangular water tank. A first partition plate and a second partition plate are vertically arranged in the water tank. The first partition plate is fixed to the bottom of the water tank, and the second partition plate is fixed to the top of the water tank. There are gaps between the first partition plate and the water tank wall below the first partition plate and above the second partition plate respectively, forming channels for liquid flow. The first partition plate and the second partition plate are used for double filtration of the recycled emulsion.

[0017] Further, filter paper is provided in the sedimentation tank. The filter paper is used to filter out aluminum powder, aluminum chip slag, and emulsion agglomerates in the recycled emulsion.

[0018] Through the above technical solutions, the beneficial effects of the present utility model are as follows:

[0019] In the present utility model, an oil receiving box and a spray pipe are provided at the roller path. The spray pipe sprays the roller to form an oil film on the roller surface, reducing the contact between the aluminum strip and the roller path, reducing aluminum sticking, and thus reducing roller wear. The emulsified liquid after spraying is recycled to the sedimentation tank for filtration, then circulated back to the liquid collection tank, and pumped back to the spray pipe by the centrifugal pump through the liquid inlet pipeline for continuous spraying. While avoiding pipeline blockage, the emulsified liquid is recycled, reducing the usage cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of the transportation roller path of the hot rolling mill;

[0021] Figure 2 is a schematic structural diagram of the present utility model;

[0022] Figure 3 is the present utility model Figure 2Enlarged view of the details at A in the [Chinese context]

[0023] In the attached drawings, the reference numerals are: 1 is the liquid collection tank, 2 is the suction port ball valve, 3 is the centrifugal pump, 4 is the outlet ball valve, 5 is the overflow ball valve, 6 is the liquid inlet pipeline, 7 is the pressure emulsion branch pipeline, 8 is the spray pipe, 9 is the roller, 10 is the oil receiving box, 11 is the transition plate support, 12 is the roller path support, 13 is the liquid return pipeline, 14 is the sedimentation tank, 15 is the first isolation plate, and 16 is the second isolation plate. Specific implementation manner

[0024] The following further describes the present utility model in conjunction with the attached drawings and specific implementation manners:

[0025] As Figures 1 to 3 shown, this embodiment provides a spray device for preventing aluminum sticking on the roller path, including a liquid collection tank 1, a liquid inlet pipeline 6, an oil receiving box 10, a liquid return pipeline 13, and a sedimentation tank 14. The oil receiving box 10 is arranged below the roller 9. A spray pipe 8 is arranged in the oil receiving box 10. The spray pipe 8 is connected to the liquid collection tank 1 through the liquid inlet pipeline 6. The bottom of the oil receiving box 10 is communicated with the sedimentation tank 14 through the liquid return pipeline 13. The liquid collection tank 1, the oil receiving box 10, and the sedimentation tank 14 are connected and arranged.

[0026] The roller path includes a roller path support 12. A plurality of rollers 9 and transition plates are arranged at intervals on the roller path support 12. A transition plate support 11 is arranged below the transition plate. The oil receiving box 10 is arranged between the transition plate supports 11. The number of the oil receiving boxes 10 is multiple. The oil receiving box 10 is arranged below each roller 9. The oil receiving box 10 is square. The side wall of the oil receiving box 10 is closely attached to the transition plate support 11 and the roller path support 12. The roller 9 is arranged in the middle of the oil receiving box 10. The number of the oil receiving boxes 10 is the same as the number of the rollers 9.

[0027] The liquid inlet pipeline 6 is communicated with the liquid collection tank 1. The liquid collection tank 1 contains a net emulsion for lubricating the roller 9. A centrifugal pump 3 is arranged on the liquid inlet pipeline 6. A suction port ball valve 2 is arranged at the liquid inlet end of the centrifugal pump 3, and an outlet ball valve 4 is arranged at the liquid outlet end. The centrifugal pump 3 pumps the net emulsion in the liquid collection tank 1 into the spray pipe 8. An overflow circuit is also communicated between the liquid inlet pipeline 6 and the liquid collection tank 1. An overflow ball valve 5 is arranged on the overflow circuit.

[0028] Specifically, a suction port ball valve 2 is arranged on the pipeline between the centrifugal pump 3 and the liquid collection tank 1 to prevent the net emulsion from flowing back and protect the safety of the equipment and the system. An outlet ball valve 4 is arranged on the pipeline between the centrifugal pump 3 and the overflow circuit to control the opening and closing of the liquid inlet pipeline 6.

[0029] The end of the liquid inlet pipeline 6 is communicated with the spray pipes 8 in a plurality of oil receiving boxes 10 through a plurality of pressure emulsion branch pipelines 7. The spray pipes 8 are arranged obliquely below the rollers 9. Nozzles are arranged on the spray pipes 8. There are at least two groups of nozzles. The nozzles spray towards the surface of the rollers 9 to form an oil film on the roller surface, reducing the contact between the aluminum strip and the rollers 9 and reducing aluminum sticking, thereby reducing the wear of the rollers 9.

[0030] A liquid return pipeline 13 is arranged below the oil receiving boxes 10. The emulsion in a plurality of the oil receiving boxes 10 flows into the liquid return pipeline 13 and enters the sedimentation tank 14 along the liquid return pipeline 13 for re-filtering and collection of the recycled emulsion.

[0031] In order to avoid blockage of the liquid return pipeline 13, the pipe diameter of the liquid return pipeline 13 is larger than the pipe diameters of the liquid inlet pipeline 6 and the pressure emulsion branch pipelines 7.

[0032] In the present utility model, the liquid collection tank 1 is communicated with the sedimentation tank 14. After the emulsion carrying aluminum impurities enters the sedimentation tank 14, it precipitates and filters in the sedimentation tank 14, and the separated clean emulsion returns to the liquid collection tank 1 for continued use. During the process of preventing aluminum sticking on the surface of the rollers 9, the recycled emulsion is recycled to reduce costs.

[0033] Specifically, the liquid collection tank 1 and the sedimentation tank 14 are arranged in a rectangular water tank. A first partition plate 15 and a second partition plate 16 are vertically arranged in the water tank. The first partition plate 15 is fixed at the bottom of the water tank, and the second partition plate 16 is fixed at the top of the water tank. There are gaps between the lower part of the first partition plate 15 and the upper part of the second partition plate 16 and the water tank wall respectively to form channels for liquid flow. The first partition plate 15 and the second partition plate 16 sequentially divide the water tank into the liquid collection tank 1, a transition tank, and the sedimentation tank 14.

[0034] After the emulsion containing impurities flows back into the sedimentation tank 14, the lighter aluminum powder and aluminum chip slag float on the surface of the emulsion and are isolated in the sedimentation tank 14 by the second partition plate 16. The emulsion filtered once enters the transition tank from below the second partition plate 16 and overflows into the liquid collection tank 1 from above the first partition plate 15 after filling the transition tank, thereby preventing impurities heavier than the emulsion from entering the liquid collection tank 1 and realizing double filtration of the recycled emulsion.

[0035] Preferably, filter paper is laid in the sedimentation tank 14. The recycled emulsion passes through the filter paper, and impurities such as aluminum powder, aluminum chip slag, and emulsion lumps in the emulsion are filtered out and then enter the liquid collection tank 1 from the bottom of the sedimentation tank.

[0036] During use, the emulsion in the liquid collecting tank 1 is pumped by the centrifugal pump 3 through the liquid inlet pipeline 6 into the spray pipe 8. The spray pipe 8 sprays towards the surface of the roller 9 to form an oil film on the roller surface. The excess emulsion drips into the oil collecting box 10. The emulsion in the oil collecting box 10 enters the precipitation tank 14 through the liquid return pipeline 13, where it precipitates and filters. The separated clean emulsion returns to the liquid collecting tank 1 for continued use. During the process of preventing aluminum adhesion on the surface of the roller 9, the recycled emulsion is recycled to reduce costs.

[0037] The above-described embodiments are only the preferred embodiments of the present invention, and do not limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features, and principles described in the scope of the present invention patent should be included within the scope of the present invention's patent application.

Claims

1. A spraying device for preventing aluminum sticking on a roller path, comprising a roller path support (12), on which a plurality of rollers (9) and transition plates are arranged at intervals, and a transition plate support (11) is arranged below the transition plate, characterized in that, It further includes a liquid collecting tank (1), an oil receiving box (10) and a sedimentation tank (14) that are interconnected. The oil receiving box (10) is arranged below the roller (9). A spray pipe (8) is arranged in the oil receiving box (10). The spray pipe (8) is connected to the liquid collecting tank (1) through a liquid inlet pipeline (6). The bottom of the oil receiving box (10) is communicated with the sedimentation tank (14) through a liquid return pipeline (13).

2. The spraying device for preventing aluminum sticking on the roller path according to claim 1, characterized in that, The number of the oil receiving boxes (10) is multiple. The oil receiving boxes (10) are arranged between transition plate brackets (11). The roller (9) is arranged in the middle of the oil receiving box (10).

3. The spray device for preventing aluminum sticking on the roller path according to claim 1, characterized in that, A centrifugal pump (3) is arranged on the liquid inlet pipeline (6). A suction port ball valve (2) is arranged at the liquid inlet end of the centrifugal pump (3), and an outlet ball valve (4) is arranged at the liquid outlet end.

4. A spraying device for preventing aluminum sticking on a roller path according to claim 1, characterized in that, An overflow circuit is also communicated and arranged between the liquid inlet pipeline (6) and the liquid collecting tank (1). An overflow ball valve (5) is arranged on the overflow circuit.

5. A spraying device for preventing aluminum sticking on a roller path according to claim 1, characterized in that, The spray pipe (8) is arranged obliquely below the roller (9). At least two groups of nozzles are arranged on the spray pipe (8).

6. The spraying device for preventing aluminum sticking on the roller table according to claim 1, characterized in that, The pipe diameter of the liquid return pipeline (13) is larger than that of the liquid inlet pipeline (6).

7. The spraying device for preventing aluminum sticking on the roller path according to claim 1, characterized in that, The liquid collecting tank (1) and the sedimentation tank (14) are arranged in a rectangular water tank. A first partition board (15) and a second partition board (16) are vertically arranged in the water tank. The first partition board (15) is fixed at the bottom of the water tank, and the second partition board (16) is fixed at the top of the water tank. There are gaps between the first partition board (15) and the water tank wall below and between the second partition board (16) and the water tank wall above, forming channels for liquid flow.

8. The spraying device for preventing aluminum sticking on the roller table according to claim 1, characterized in that, Filter paper is arranged in the sedimentation tank (14).

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