A method and device for producing ultra-thin strip steel by bell annealing
A bell-type annealing and gauge strip technology, which is applied in the field of steel rolling, can solve the problems of unrealistic continuous production, strip coiling wrinkles, poor welding quality, etc., achieve annealing and leveling process and control parameter optimization, and reduce waste cutting losses , the effect of reducing production costs
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Embodiment 1
[0036] see figure 1 , in an embodiment of the present invention, a method for producing ultra-thin steel strips by bell annealing can use bell annealing units to produce ultra-thin steel strips such as 0.15mm, 0.14mm, 0.13mm, and 0.12mm, including the following steps :
[0037] S1: In the welding process, after the uncoiling of the raw material steel coil, the thickness difference defect section of more than 10m is retained at the head and tail. In this embodiment, the length of the thickness difference defect section is preferably 10 m to 20 m.
[0038] S2: In the degreasing and cleaning process, control the tension of the inlet section of the degreasing cleaning unit, the tension of the cleaning section, the unit tension of the exit coiling section, the working parameters of the brush roller and the pressure of the squeezing roller are all in the lower half of the range of the set working value range . For example, the tension setting working value range of the entrance s...
Embodiment 2
[0051] Based on the same inventive concept, this embodiment provides a device for implementing the method in Embodiment 1 above, see image 3 , the device comprises in sequence: an uncoiling device 10, a welding device 20, a degreasing cleaning unit 30, a bell annealing furnace 40, a skin pass unit 50, an oiling device 60, a flying shear 70 and a rewinding device 80, as follows A detailed introduction to each of the above components:
[0052] The uncoiling device 10 is used for uncoiling the steel coil.
[0053] Welding device 20 is used to weld the defective sections with a thickness difference of more than 10m left at the head and tail of the two incoming steel coils to form a continuous steel strip for continuous follow-up process, wherein the defective section with thickness difference is the The part whose thickness exceeds the set range.
[0054] The degreasing and cleaning unit 30 is used for the degreasing and cleaning process, mainly including the entrance section, ...
Embodiment 3
[0062] Based on the same inventive concept, this embodiment provides a control device, which includes a memory and a processor connected to the memory. The memory stores program codes, and the processor is used to read the program codes from the memory to execute the above-mentioned embodiment 1. method. Specifically, the control device may be a PLC controller, an industrial computer, or the like.
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Abstract
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