Rolling method and device for strip steel tandem cold rolling

A technology for continuous cold rolling and strip steel, which is applied in rolling mill control devices, metal rolling, length measuring devices, etc., and can solve problems such as differences, constraints, and insufficient consideration of experience constraints.

Active Publication Date: 2012-06-27
NORTHEASTERN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The rolling schedule optimization methods involved in the above-mentioned public documents all carry out optimized setting calculations on the parameters of the rolling process, taking a lot of constraints o

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  • Rolling method and device for strip steel tandem cold rolling
  • Rolling method and device for strip steel tandem cold rolling
  • Rolling method and device for strip steel tandem cold rolling

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Embodiment Construction

[0110] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0111] The present embodiment adopts a 2030mm five-stand strip steel continuous cold rolling mill in a steel plant.

[0112] Step 1: Collect the equipment parameters and process conditions of the cold tandem rolling mill, the specifications of the cold-rolled strip steel and the parameter data required for the finished product;

[0113] (1) Collect the equipment parameters and process conditions of the cold tandem rolling mill: the system in the present embodiment is made up of five groups of stands, numbered 1-5, and the number of rolls of each group of stands is 4, their working roll diameters and The diameters of the backup rolls are different, and the specific values ​​are shown in Table 1:

[0114] Table 1 Technical parameters and process parameters of cold tandem rolling

[0115]

[0116] It can be seen from Table 1 that the maximum...

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Abstract

A rolling method and a device for strip steel tandem cold rolling belong to the technical field of metallurgical process control. Based on site conditions of the strip steel tandem cold rolling practical production, the rolling method and the device for the strip steel tandem cold rolling fully consider reasonability of optimization calculation of rolling force, select lowest energy consumption as an optimization goal, adopt a large number of constraint conditions in the practical rolling production process, utilize an improved particle swarm optimization (PSO) optimization algorithm to carry out optimal calculation on the basis of rolling mechanism relationship, and can quickly calculate out optimized rolling schedule information to avoid extra cost caused by lack of comprehensive consideration of experience rules. By means of the rolling method and the device for the strip steel tandem cold rolling, full play to the production capacity of the whole tandem cold rolling system can be given, product quality is improved, total power of a motor of a rolling mill is reduced simultaneously, and energy saving and consumption reduction are achieved accordingly.

Description

technical field [0001] The invention belongs to the technical field of metallurgical process control, and in particular relates to a strip steel cold tandem rolling method and device. Background technique [0002] With the improvement of people's living standards and material needs, cold-rolled strip steel, a high value-added product, has become an indispensable raw material for all walks of life due to its excellent mechanical properties, process properties and surface quality. People's requirements for it Also getting higher and higher. The strip cold rolling system is mainly composed of the following parts: uncoiling, welding, straightening, pickling, cold rolling, shearing, winding, etc. The control system of each part is very complex, and the quality of their control performance will affect the final product quality. [0003] Therefore, how to determine the optimized rolling plan for the strip cold rolling process is of great significance to the actual production. Op...

Claims

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Application Information

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IPC IPC(8): B21B1/28B21B37/00B21B37/48B21B38/00
Inventor 唐立新洪悦
Owner NORTHEASTERN UNIV
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