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Post-rolling cooling control method using plurality of cooling systems

A cooling control and cooling system technology, applied in metal rolling, temperature control, metal rolling, etc., can solve problems such as insufficient cooling capacity, and achieve the effect of satisfying cooling process requirements and good application effects

Inactive Publication Date: 2012-05-09
NORTHEASTERN UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The laminar cooling control system (ACC) of a domestic plate factory was designed and manufactured by SMS company in Germany, but there is still a problem of insufficient cooling capacity, and it is urgent to put into production new cooling equipment with stronger cooling capacity

Method used

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  • Post-rolling cooling control method using plurality of cooling systems
  • Post-rolling cooling control method using plurality of cooling systems
  • Post-rolling cooling control method using plurality of cooling systems

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Embodiment Construction

[0020] The post-rolling cooling control system for medium and thick plates with multiple systems coexisting and flexible switching in the present invention transforms the original laminar flow cooling equipment and adds a set of ultra-fast cooling control system, so that it can be organically combined with the original ACC system to form a new complete set The post-rolling cooling control system is characterized by establishing a communication system, adding a second level of post-rolling cooling process control system and a new level of ultra-fast cooling basic automation control system:

[0021] 1. Establishment of cooling control system for plate after rolling

[0022] The control logic of the post-rolling cooling system is as follows: figure 1 shown. The basic automation system is L1-level control, mainly for equipment, control components and logic control. Process control is L2 level control, which is mainly used for process model calculation. The L2 level calculation ...

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Abstract

The invention discloses a moderate-thickness plate post-rolling cooling control system which is provided with a plurality of systems at the same time and flexibly switched. The system is characterized in that: after super-quick equipment is newly increased on a rolling line of primary laminar flow cooling equipment, a newly increased super-quick cooling UFC control system can be organically combined with a primary conventional acceleration cooling ACC control system to form a set of new complete moderate-thickness plate post-rolling cooling control system. The method comprises the following steps of: establishing a communication system, a newly increased post-rolling cooling process control system L2 level and a newly increased super-quick cooling base automation control system L1 level, wherein the newly increased communication system comprises communication between a rolling process control system L2 level and the newly increased super-quick cooling process control system L2 level, the communication between the primary laminar flow cooling control system L2 level and the newly increased super-quick cooling process control system L2 level, the communication between the newly increased super-quick cooling process control system L2 level and the newly increased super-quick cooling base automation control system L1 level, and the communication between the newly increased super-quick cooling base automation control system L1 level and a primary roller bed transmission control system L0 level.

Description

technical field [0001] The invention belongs to the technical field of steel rolling automatic control, in particular to a post-rolling cooling control method using multiple cooling systems. Background technique [0002] Controlled rolling and controlled cooling technology is one of the greatest achievements of scientific and technological progress in the metallurgical industry in the 20th century, and has now become the leading process for the production of medium and thick steel plates at home and abroad. Controlled cooling is a new technology for heat treatment using waste heat from rolling. The entire phase transformation process of the steel sheet can be reasonably controlled by changing the cooling conditions of the hot-rolled steel sheet after rolling, and the structure and properties of the steel sheet can be improved by controlling the microstructure and composition of the phase transformation product and the behavior of carbide precipitation. This technology can n...

Claims

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Application Information

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IPC IPC(8): B21B37/74B21B45/02
Inventor 王丙兴田勇王昭东袁国王国栋李勇韩毅
Owner NORTHEASTERN UNIV
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