Rolling schedule optimization method aiming at controlling power consumption per ton of steel in cold tandem rolling process

Abstract

A rolling schedule optimization method with control over electric power consumption per ton steel as a target in the cold continuous rolling process mainly comprises the following steps that 1, field parameters are collected; 2, unit friction characteristic parameters are collected; 3, parameters are defined; 4, the initial value, the initial optimization step length and optimization parameters are set; 5, the outlet speed, the reduction rate, the gate absolute draught and the equivalent tension influence coefficient of an ith rack are calculated; 6, the friction coefficient of the ith rack is calculated; 7, the rolling force of the ith rack is calculated; 8, the working roller flattening radius, the outer friction force influence coefficient, the forward slip valve and the rolling torque of the ith rack are calculated; 9, the slip factor and the slip index of the ith rack are calculated; 10, the rolling power of the ith rack is calculated; 11, a unit electric power consumption control function expression is constructed; and 12, the optimal rolling schedule is output. All the steps are executed by a computer. From the aspect of control over electric power consumption, the reasonable target value for rolling schedule control is set, enterprise cost is effectively reduced, and enterprise benefits are increased.

Description

technical field [0001] The invention belongs to the field of metallurgical cold rolling, in particular to a rolling schedule optimization method for continuous cold rolling. Background technique [0002] In recent years, due to the huge demand of household appliances, automobiles, electronics, aerospace and other industries, the cold-rolled strip production industry at home and abroad has achieved rapid development. In the past, in the production process of cold-rolled strips, the focus of on-site attention was mainly on the control of quality indicators such as shape, thickness, and surface defects. However, with the increasingly fierce competition in the steel industry and the decline in the overall profit margin of the steel industry, cost control in the production process of cold-rolled strips has been placed in an equally important position as quality control. Because for iron and steel enterprises, no matter how high the product quality is under the conditions of a ma...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problem of increased power consumption per ton of steel caused by unreasonable rolling schedule settings in the tandem cold rolling mill, the present invention provides a rolling schedule optimization method with the goal of controlling power consumption per ton of steel during the cold tandem rolling process

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