High-strength steel strip continuous annealing device

Abstract

The utility model relates to the technical field of steel belt annealing devices, and discloses a high-strength steel belt continuous annealing device which comprises an annealing box, an impurity removal box is arranged on the outer surface of the annealing box, a communication opening is formed in the outer surface of the annealing box, and the interior of the annealing box is fixedly communicated with the interior of the impurity removal box through the communication opening. According to the continuous annealing device for the high-strength steel strip, a steel strip body enters the impurity removal box through a communicating port after being annealed through the annealing box, and then passes through middle gaps correspondingly formed by three upper cleaning rollers and three lower cleaning rollers; at the moment, the worker controls a twisting handle to drive a threaded roller to rotate, a gap formed by an upper cleaning roller and a lower cleaning roller is adjusted, it is guaranteed that the upper cleaning roller and the lower cleaning roller make full contact with the steel belt body, and therefore the effect that dust and slag are prevented from being attached to the surface of the steel belt, and follow-up machining of the steel belt is affected is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel strip annealing devices, in particular to a high-strength steel strip continuous annealing device. Background Art

[0002] With the continuous development of manufacturing industries such as automobiles, home appliances, and building materials, the demand for high-strength steel materials is increasing. Steel belt refers to a conveyor belt made of carbon steel that serves as the traction and carrying component of a belt conveyor. It is a narrow and long steel belt.

[0003] When the existing steel strip continuous annealing device first enters the annealing box, the steel strip needs to be wrapped around the outside of multiple guides for traction annealing. When the steel strip is annealed and cooled, some dust will adhere to the surface of the steel strip, which will affect the subsequent processing of the steel strip. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a high-strength steel strip continuous annealing device to solve the problem mentioned in the above background technology that when the existing steel strip continuous annealing device first enters the annealing box, the steel strip needs to be wrapped around multiple guide outer sides for traction annealing. When the steel strip is annealed and cooled, some dust and slag will adhere to the surface of the steel strip, which will affect the subsequent processing of the steel strip.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-strength steel strip continuous annealing device, comprising an annealing box, an impurity removal box is arranged on the outer surface of the annealing box, a connecting port is opened on the outer surface of the annealing box, the interior of the annealing box is fixedly connected with the interior of the impurity removal box through the connecting port, three No. 1 connecting seats are fixedly installed on the interior of the impurity removal box, and the three No. 1 connecting seats are all rotatably connected with lower cleaning rollers, a No. 1 support seat is fixedly installed on the outer surface of the impurity removal box, and three left-side driving motors are fixedly installed on the upper surface of the No. 1 support seat, and the output ends of the three left-side driving motors are respectively fixedly connected to the interiors of the three cleaning rollers under the seat bricks through the interiors of the impurity removal box and the No. 1 support seat, and a No. 2 support seat is fixedly installed on the outer surface of the impurity removal box away from the No. 1 support seat. Three connecting assemblies are fixedly installed on the upper surface of the No. 2 support seat, and the output ends of the three connecting assemblies are respectively provided with right-side driving motors, the upper surface of the impurity removal box is threadedly connected with three threaded rollers, the lower surfaces of the three threaded rollers are rotatably connected with fixing parts, and the upper surfaces of the three threaded rollers are fixedly installed with twist handles, three No. 2 connecting seats are arranged inside the impurity removal box, the three No. 2 connecting seats are respectively fixedly connected to the three fixing parts, and the outer surfaces of the three No. 2 connecting seats are rotatably connected with upper cleaning rollers, and the outer surface of the impurity removal box close to the No. 2 support seat is provided with three movable openings, and the output ends of the three right-side driving motors are respectively fixedly connected to the insides of the three upper cleaning rollers through the insides of the three movable openings, and the outer surface of the impurity removal box away from the connecting port is provided with a discharge port.

[0006] By adopting the above technical scheme, after the steel strip body is annealed in the annealing box, it enters the impurity removal box through the connecting port, and then passes through the middle gaps corresponding to the three upper cleaning rollers and the lower cleaning rollers. At this time, the worker controls the handle to drive the threaded roller to rotate, adjusts the gap formed by the upper cleaning roller and the lower cleaning roller, and ensures that the upper cleaning roller and the lower cleaning roller form sufficient contact with the steel strip body, thereby avoiding some dust and residue adhering to the surface of the steel strip, which will affect the subsequent processing of the steel strip.

[0007] Preferably, a base is fixedly installed on the lower surface of the annealing box and the impurity removal box, the upper surface of the base is fixedly connected to the lower surfaces of the No. 1 support seat and the No. 2 support seat, the outer surface of the annealing box away from the connecting port is provided with a feeding port, the upper surface of the annealing box is provided with a top cover, the lower surface of the top cover is fixedly installed with three cooling fans, the bottom of the annealing box is fixedly installed with a cooling pipe, a plurality of guide rollers and auxiliary roller assemblies are arranged inside the annealing box, an inclined plate is fixedly installed inside the impurity removal box, and a waste port is provided on the outer surface of the impurity removal box away from the connecting port.

[0008] By adopting the above technical scheme, a top cover is provided on the upper surface of the annealing box, and three cooling fans are fixedly installed on the lower surface of the top cover. When the steel strip body passes through the annealing box, it is annealed through the cooling fan and cooling pipe and several guide rollers and auxiliary roller assemblies. After the annealing is completed, the impurities of the steel strip body are removed, and the impurities are easily accumulated at the bottom of the impurity removal box. Cleaning the impurities requires pausing the equipment, which delays time. The impurities are allowed to slide freely and be discharged from the waste port through the inclined plate set, thereby achieving the effect of reducing the impurities accumulated at the bottom of the impurity removal box and improving the annealing efficiency.

[0009] Preferably, outer surfaces of the three lower cleaning rollers are movably connected to outer surfaces of the three upper cleaning rollers respectively, a traction machine is provided outside the impurity removal box, and a steel belt body is provided on the outer surface of the traction machine.

[0010] By adopting the above technical scheme, a traction machine is arranged on the outside of the impurity removal box, and a steel strip body is arranged on the outer surface of the traction machine. The steel strip body enters the annealing box through the feeding port, and then passes through a number of guide rollers and auxiliary roller assemblies to perform S-shaped roller winding and enter the impurity removal box through the connecting port. The outer surfaces of the three lower cleaning rollers are movably connected with the outer surfaces of the three upper cleaning rollers respectively. After the impurities of the steel strip body are removed, it is discharged from the discharging port and connected to the traction device, so as to achieve the effect of winding for subsequent processing.

[0011] Preferably, the three auxiliary roller assemblies are all made of a telescopic rod, a spring, a fixed seat and a round roller, and the telescopic rod is arranged in the middle of the spring, the output ends of the telescopic rod and the spring are fixedly connected to the outer surface of the fixed seat, and the fixed seat is rotatably connected to the round roller.

[0012] By adopting the above technical scheme, three auxiliary roller assemblies are all made of telescopic rods, springs, fixed seats and round rollers, and the telescopic rods are arranged in the middle of the springs, the output ends of the telescopic rods and the springs are fixedly connected to the outer surface of the fixed seats, and the fixed seats are rotatably connected to the round rollers. This can not only extend the annealing time of the steel strip body in the annealing device, but also can be assembled and used by the telescopic rods and springs, and can be appropriately adjusted according to the strength of the steel strip to ensure that the steel strip is completely annealed.

[0013] Preferably, a plurality of connection components are fixedly mounted on the outer surface of the base, and the outer surfaces of the plurality of connection components are each provided with fixing bolts.

[0014] By adopting the above technical solution, a plurality of connection components are fixedly installed through the outer surface of the base, and the outer surfaces of the plurality of connection components are provided with fixing bolts, so as to facilitate the assembly and disassembly of the base with different support seats.

[0015] Preferably, the three upper cleaning rollers and the three lower cleaning rollers all operate in the opposite direction to the annealing track of the steel strip body.

[0016] By adopting the above technical solution, the three upper cleaning rollers and the lower cleaning rollers all operate in the opposite direction to the annealing trajectory of the steel strip body, so that the friction between the upper cleaning rollers and the lower cleaning rollers and the steel strip body is increased, making the cleaning more efficient. At the same time, the three lower cleaning rollers are all at the same horizontal height, and the steel strip body is smoothed while cleaning, thereby improving the flatness of the steel strip surface.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The high-strength steel strip continuous annealing device is a device in which the steel strip body enters the impurity removal box through the connecting port after annealing in the annealing box, and then passes through the middle gaps corresponding to the three upper cleaning rollers and the lower cleaning rollers. At this time, the worker controls the twist handle to drive the threaded roller to rotate, adjusts the gap formed by the upper cleaning roller and the lower cleaning roller, and ensures that the upper cleaning roller and the lower cleaning roller form sufficient contact with the steel strip body, thereby avoiding the adhesion of some dust residue on the surface of the steel strip, which will affect the subsequent processing of the steel strip.

[0019] 2. In the high-strength steel strip continuous annealing device, after the impurities in the steel strip body are removed, the impurities are easily accumulated at the bottom of the impurity removal box. Removing the impurities requires pausing the equipment, which wastes time. The impurities are allowed to slide freely through the inclined plate and discharged from the waste port, thereby reducing the impurities accumulated at the bottom of the impurity removal box and improving the annealing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front cross-sectional schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the structure of the utility model;

[0022] Figure 3 It is a rear view schematic diagram of the structure of the utility model;

[0023] Figure 4 It is a side sectional schematic diagram of the structure of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the second connecting seat of the utility model.

[0025] In the figure: 1. annealing box; 2. top cover; 3. cooling fan; 4. guide roller; 5. auxiliary roller assembly; 6. cooling pipe; 7. feeding port; 8. connecting port; 9. impurity removal box; 10. inclined plate; 11. waste port; 12. No. 1 connecting seat; 13. lower cleaning roller; 14. No. 1 supporting seat; 15. left driving motor; 16. No. 2 supporting seat; 17. connecting assembly; 18. right driving motor; 19. upper cleaning roller; 20. No. 2 connecting seat; 21. fixing piece; 22. threaded roller; 23. twist handle; 24. base; 25. discharge port; 26. movable port. DETAILED DESCRIPTION

[0026] 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.

[0027] Embodiment 1:

[0028] Please refer to Figure 1-5 ,

[0029] An impurity removal box 9 is arranged on the outer surface of the annealing box 1, and the interior of the annealing box 1 is fixedly connected with the interior of the impurity removal box 9 through the connecting port 8, and three No. 1 connecting seats 12 are fixedly installed inside the impurity removal box 9, and the three No. 1 connecting seats 12 are all rotatably connected with the lower cleaning rollers 13, and a No. 1 supporting seat 14 is fixedly installed on the outer surface of the impurity removal box 9, and three left-side driving motors 15 are fixedly installed on the upper surface of the No. 1 supporting seat 14, and the output ends of the three left-side driving motors 15 are respectively fixedly connected with the interiors of the three cleaning rollers 13 under the seat bricks through the interiors of the impurity removal box 9 and the No. 1 supporting seat 14, and the impurity removal box A No. 2 support seat 16 is fixedly installed on the outer surface away from the No. 1 support seat 14, and three connecting assemblies 17 are fixedly installed on the upper surface of the No. 2 support seat 16. The output ends of the three connecting assemblies 17 are all provided with right-side drive motors 18. The upper surface of the impurity removal box 9 is threadedly connected with three threaded rollers 22, and the lower surfaces of the three threaded rollers 22 are rotatably connected with fixing members 21. The upper surfaces of the three threaded rollers 22 are all fixedly installed with twist handles 23. Three No. 2 connecting seats 20 are arranged inside the impurity removal box 9, and the three No. 2 connecting seats 20 are respectively fixedly connected to the three fixing members 21, and the three No. 2 connecting seats 20 are respectively fixedly connected to the three fixing members 21. 0 is rotatably connected with an upper cleaning roller 19, and the outer surface of the impurity removal box 9 near the second support seat 16 is provided with three movable openings 26, and the output ends of the three right-side drive motors 18 are respectively fixedly connected with the inside of the three upper cleaning rollers 19 through the inside of the three movable openings 26, which can support the right-side drive motor 18 to prevent the right-side drive motor 18 from falling, and the outer surface of the impurity removal box 9 away from the connecting opening 8 is provided with a discharge port 25, and the steel strip body enters the impurity removal box 9 through the connecting opening 8 after annealing in the annealing box 1, and then passes through the three upper cleaning rollers 19 and the lower cleaning roller 13 respectively. Corresponding to the set middle gap, the worker then controls the twist handle 23 to drive the threaded roller 22 to rotate, adjust the gap formed by the upper cleaning roller 19 and the lower cleaning roller 13, and ensure that the upper cleaning roller 19 and the lower cleaning roller 13 form sufficient contact with the steel strip body. The three upper cleaning rollers 19 and the lower cleaning rollers 13 all operate in the opposite direction to the annealing trajectory of the steel strip body, thereby increasing the friction force brought by the upper cleaning rollers 19 and the lower cleaning rollers 13 to the steel strip body, making the cleaning more efficient. At the same time, the three lower cleaning rollers 13 are at the same horizontal height, and the steel strip body is smoothed while cleaning to improve the flatness of the steel strip surface.

[0030] Working principle: an impurity removal box 9 is arranged on the outer surface of the annealing box 1, and the interior of the annealing box 1 is fixedly connected with the interior of the impurity removal box 9 through the connecting port 8, and three No. 1 connecting seats 12 are fixedly installed inside the impurity removal box 9, and the three No. 1 connecting seats 12 are all rotatably connected with the lower cleaning roller 13, and a No. 1 support seat 14 is fixedly installed on the outer surface of the impurity removal box 9, and three left-side driving motors 15 are fixedly installed on the upper surface of the No. 1 support seat 14, and the output ends of the three left-side driving motors 15 are respectively fixedly connected with the interiors of the three cleaning rollers 13 under the seat bricks through the interiors of the impurity removal box 9 and the No. 1 support seat 14, and the impurity removal box 9 is away from the outer surface of the No. 1 support seat 14. A No. 2 support seat 16 is fixedly installed, and three connecting components 17 are fixedly installed on the upper surface of the No. 2 support seat 16. The output ends of the three connecting components 17 are all provided with right-side driving motors 18. The upper surface of the impurity removal box 9 is threadedly connected with three threaded rollers 22, and the lower surfaces of the three threaded rollers 22 are rotatably connected with fixing parts 21. The upper surfaces of the three threaded rollers 22 are all fixedly installed with twist handles 23. Three No. 2 connecting seats 20 are arranged inside the impurity removal box 9, and the three No. 2 connecting seats 20 are respectively fixedly connected to the three fixing parts 21, and the outer surfaces of the three No. 2 connecting seats 20 are rotatably connected with upper cleaning rollers 19. The impurity removal box 9 is close to the No. 2 support seat 16. The outer surface is provided with three movable openings 26, and the output ends of the three right-side drive motors 18 are fixedly connected with the insides of the three upper cleaning rollers 19 through the insides of the three movable openings 26, respectively, so as to support the right-side drive motor 18 and prevent the right-side drive motor 18 from falling. The outer surface of the impurity removal box 9 away from the connecting opening 8 is provided with a discharge opening 25. After annealing in the annealing box 1, the steel strip body enters the impurity removal box 9 through the connecting opening 8, and then passes through the intermediate gaps respectively set by the three upper cleaning rollers 19 and the lower cleaning roller 13. At this time, the worker controls the twist handle 23 to drive the threaded roller 22 to rotate, and adjusts the upper cleaning roller 19 and the lower cleaning roller 13. Gap, ensure that the upper cleaning roller 19 and the lower cleaning roller 13 are in full contact with the steel strip body, the three upper cleaning rollers 19 and the lower cleaning rollers 13 all operate in the opposite direction to the annealing trajectory of the steel strip body, so that the friction between the upper cleaning rollers 19 and the lower cleaning rollers 13 and the steel strip body is increased, making the cleaning more efficient, and at the same time, the three lower cleaning rollers 13 are at the same horizontal height, and the steel strip body is smoothed while cleaning, thereby improving the flatness of the steel strip surface. Compared with the related art, the high-strength steel strip continuous annealing device provided by the utility model has the following beneficial effects: thereby achieving the effect of avoiding some dust residue adhering to the surface of the steel strip, which will affect the subsequent processing of the steel strip.

[0031] Embodiment 2:

[0032] Please refer to Figure 1-5 ,

[0033] A base 24 is fixedly installed on the lower surface of the annealing box 1 and the impurity removal box 9, and the upper surface of the base 24 is fixedly connected to the lower surface of the No. 1 support seat 14 and the No. 2 support seat 16. A feeding port 7 is provided on the outer surface of the annealing box 1 away from the connecting port 8. A top cover 2 is provided on the upper surface of the annealing box 1, and three cooling fans 3 are fixedly installed on the lower surface of the top cover 2. A cooling pipe 6 is fixedly installed on the bottom of the annealing box 1. A plurality of guide rollers 4 and auxiliary roller assemblies 5 are provided inside the annealing box 1. An inclined plate 10 is fixedly installed inside the impurity removal box 9. A waste material port 11 is provided on the outer surface of the impurity removal box 9 away from the connecting port 8. The three auxiliary roller assemblies 5 are all made of telescopic rods, springs, fixed seats and round rollers, and the telescopic rods are arranged in the middle of the springs. The output ends of the retractable rod and the spring are fixedly connected to the outer surface of the fixed seat, and the fixed seat is rotatably connected to the round roller, which can not only extend the annealing time of the steel strip body in the annealing device, but also can be assembled and used by the telescopic rod and the spring, and can be appropriately adjusted according to the strength of the steel strip to ensure that the steel strip is completely annealed. After the impurities in the steel strip body are removed, the impurities are easily accumulated at the bottom of the impurity removal box. Cleaning the impurities requires pausing the equipment, which wastes time. The inclined plate 10 is set to allow the impurities to slide freely and be discharged from the waste port 11. In addition, a number of connecting components 17 are fixedly installed on the outer surface of the base 24, and the outer surfaces of the several connecting components 17 are all provided with fixing bolts, which are convenient for assembling and disassembling the base 24 with different support seats.

[0034] Working principle: a base 24 is fixedly installed on the lower surface of the annealing box 1 and the impurity removal box 9, the upper surface of the base 24 is fixedly connected to the lower surfaces of the No. 1 support seat 14 and the No. 2 support seat 16, an inlet 7 is provided on the outer surface of the annealing box 1 away from the connecting port 8, a top cover 2 is provided on the upper surface of the annealing box 1, three cooling fans 3 are fixedly installed on the lower surface of the top cover 2, a cooling pipe 6 is fixedly installed on the bottom of the annealing box 1, a plurality of guide rollers 4 and auxiliary roller assemblies 5 are provided inside the annealing box 1, an inclined plate 10 is fixedly installed inside the impurity removal box 9, a waste port 11 is provided on the outer surface of the impurity removal box 9 away from the connecting port 8, and the three auxiliary roller assemblies 5 are all made of telescopic rods, springs, fixed seats and round rollers, and the telescopic rods are arranged in the middle of the springs. The output ends of the telescopic rod and the spring are fixedly connected to the outer surface of the fixed seat, and the fixed seat is rotatably connected to the round roller, which can not only extend the annealing time of the steel strip body in the annealing device, but also can be assembled and used by the telescopic rod and the spring, and can be appropriately adjusted according to the strength of the steel strip to ensure that the steel strip is completely annealed. After the impurities in the steel strip body are removed, the impurities are easily accumulated at the bottom of the impurity removal box. Cleaning the impurities requires pausing the equipment, which wastes time. The inclined plate 10 is set to allow the impurities to slide freely and be discharged from the waste port 11. Compared with the related art, the high-strength steel strip continuous annealing device provided by the utility model has the following beneficial effects: thereby achieving the effect of reducing the impurities accumulated at the bottom of the impurity removal box 9 and improving the annealing efficiency.

[0035] 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 high-strength steel strip continuous annealing device, comprising an annealing box (1), characterized in that: The outer surface of the annealing box (1) is provided with an impurity removal box (9), the outer surface of the annealing box (1) is provided with a connecting port (8), and the interior of the annealing box (1) is fixedly connected to the interior of the impurity removal box (9) through the connecting port (8), the interior of the impurity removal box (9) is fixedly installed with three No. 1 connecting seats (12), and the three No. 1 connecting seats (12) are all rotatably connected to the lower cleaning roller (13), the outer surface of the impurity removal box (9) is fixedly installed with a No. 1 support seat (14), and the upper surface of the No. 1 support seat (14) is fixedly installed with three left-side drive motors (15), and the output ends of the three left-side drive motors (15) are respectively fixedly connected to the interiors of the three cleaning rollers (13) under the seat bricks through the interiors of the impurity removal box (9) and the No. 1 support seat (14), and the outer surface of the impurity removal box (9) away from the No. 1 support seat (14) is fixedly installed with a No. 2 support seat (16), and the upper surface of the No. 2 support seat (16) is fixedly installed with three connecting components (17) The output ends of the three connecting assemblies (17) are all provided with right-side driving motors (18); the upper surface of the impurity removal box (9) is threadedly connected with three threaded rollers (22); the lower surfaces of the three threaded rollers (22) are rotatably connected with fixing members (21); the upper surfaces of the three threaded rollers (22) are all fixedly installed with twist handles (23); the interior of the impurity removal box (9) is provided with three No. 2 connecting seats (20); the three No. 2 connecting seats (20) are respectively fixedly connected with the three fixing members (21); the outer surfaces of the three No. 2 connecting seats (20) are rotatably connected with upper cleaning rollers (19); the outer surface of the impurity removal box (9) close to the No. 2 supporting seat (16) is provided with three movable openings (26); the output ends of the three right-side driving motors (18) are respectively fixedly connected with the insides of the three upper cleaning rollers (19) through the insides of the three movable openings (26); and the outer surface of the impurity removal box (9) away from the connecting port (8) is provided with a discharge port (25).

2. A high-strength steel strip continuous annealing device according to claim 1, characterized in that: A base (24) is fixedly mounted on the lower surfaces of the annealing box (1) and the impurity removal box (9); the upper surface of the base (24) is fixedly connected to the lower surfaces of the No. 1 support seat (14) and the No. 2 support seat (16); an inlet (7) is provided on the outer surface of the annealing box (1) away from the connecting port (8); a top cover (2) is provided on the upper surface of the annealing box (1); three cooling fans (3) are fixedly mounted on the lower surface of the top cover (2); a cooling pipe (6) is fixedly mounted on the bottom of the annealing box (1); a plurality of guide rollers (4) and an auxiliary roller assembly (5) are arranged inside the annealing box (1); an inclined plate (10) is fixedly mounted inside the impurity removal box (9); and a waste material port (11) is provided on the outer surface of the impurity removal box (9) away from the connecting port (8).

3. The high-strength steel strip continuous annealing device according to claim 1, characterized in that: The outer surfaces of the three lower cleaning rollers (13) are movably connected to the outer surfaces of the three upper cleaning rollers (19) respectively. A traction machine is arranged outside the impurity removal box (9), and a steel belt body is arranged on the outer surface of the traction machine.

4. The high-strength steel strip continuous annealing device according to claim 2, characterized in that: The three auxiliary roller assemblies (5) are all made of a telescopic rod, a spring, a fixed seat and a round roller, and the telescopic rod is arranged in the middle of the spring, the output ends of the telescopic rod and the spring are fixedly connected to the outer surface of the fixed seat, and the fixed seat is rotatably connected to the round roller.

5. The high-strength steel strip continuous annealing device according to claim 2, characterized in that: A plurality of connection components (17) are fixedly mounted on the outer surface of the base (24), and the outer surfaces of the plurality of connection components (17) are each provided with fixing bolts.

6. The high-strength steel strip continuous annealing device according to claim 1, characterized in that: The three upper cleaning rollers (19) and the lower cleaning roller (13) all operate in the opposite direction to the annealing track of the steel strip body.

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