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Raw material board starting control method, device and system

A control method and raw material plate technology, applied in the direction of rolling mill control device, comprehensive factory control, manufacturing tools, etc., can solve problems such as broken belts, achieve the effect of improving stability and avoiding the risk of broken belts

Active Publication Date: 2022-05-17
SHOUGANG ZHIXIN QIAN AN ELECTROMAGNETIC MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The starting process of the raw material board is greatly influenced by human factors, which causes a great risk in the starting process of the raw material board. Once the operation is improper, it will cause an accident of broken belt

Method used

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  • Raw material board starting control method, device and system
  • Raw material board starting control method, device and system
  • Raw material board starting control method, device and system

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] In this document, relational terms such as first and second etc. are used only to distinguish one entity or operation from another without necessarily requiring or implying any such relationship between these entities or operations. Actual relationship or sequence. Furthermore, the term "comprises", "comprises" or any o...

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Abstract

The invention discloses a method, device and system for controlling start-up of raw material slabs. In the method, by setting a constant rolling force mode and preset trigger conditions, the acid rolling unit is first controlled to start the raw material slab according to the constant rolling force, and then For each rolling mill, the actual strip thickness at the exit of the rolling mill is obtained, based on the actual strip thickness at the exit, it is judged whether the rolling mill meets the preset trigger condition, and when the rolling mill meets the preset trigger condition, the rolling mode of the rolling mill is changed from constant to Switching the rolling force mode to the standard rolling mode can avoid the risk of strip breakage caused by artificial adjustments, and realize a smooth transition from raw plate start-up to stable rolling.

Description

technical field [0001] The invention relates to the technical field of steelmaking, in particular to a raw material slab startup control method, device and system. Background technique [0002] The first coil of strip steel after each shutdown of the pickling mill must be started with a raw material plate. The process of starting the raw material plate is based on the pre-set rolling force of the 1# to 5# rolling mill issued by the secondary control system, and manually adjusts the 1# to 5# rolling mill in sequence from the 1# rolling mill to the 5# rolling mill The rolling force of the rolling mill makes the thickness at the exit of the 1# rolling mill to the 5# rolling mill successively show a thinning trend. During this period, the rolling speed is manually controlled under the premise of ensuring the stability of the rolling parameters, until the thickness of the 5# rolling mill exit is in line with the set The deviation of the target thickness meets the requirements, w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/24B21B37/00
CPCB21B1/24B21B37/00Y02P90/02
Inventor 王宇鹏董文亮刘磊孙勃田冯水郑利元周晓琦范正军
Owner SHOUGANG ZHIXIN QIAN AN ELECTROMAGNETIC MATERIALS CO LTD
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