A control method for simultaneous loading and unloading of slabs in a walking beam heating furnace

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By calculating the current slab spacing on the steel loading side, the stepping heating furnace slabs are realized, which solves the problem of different steel production rhythms caused by operator skills, and improves production efficiency and stability.

CN115679088BActive Publication Date: 2025-03-25LIUZHOU IRON & STEEL CO LTD

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Patent Information

Application Number: CN202211280589.6
Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner
Filing Date: 2022-10-19
Publication Date: 2025-03-25
Estimated Expiration: 2042-10-19

Application Information

Patent Timeline

19 Oct 2022

Application

CN202211280589.6

25 Mar 2025

Publication

CN115679088B

IPC: C21D11/00; C21D9/70

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Application Domain

Furnace types Heat treatment process control

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AI Technical Summary

Technical Problem

Due to the differences in operator skills, there are large differences in the setting of slab spacing parameters, which affects the rhythm of steel production and production efficiency.

Method used

A control method for stepping heating furnace slabs are provided. By calculating the current slab spacing on the steel loading side, the steel loading and steel output can be performed simultaneously, thereby making full use of the time when the stepping beam stops stepping.

Benefits of technology

The synchronous execution of steel installation and steel output is achieved, saving half of the total time, improving work efficiency, and reducing the instability of manual operation by automatically adjusting the slab spacing.

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Abstract

An embodiment of the present invention provides a control method for simultaneous loading and unloading of slabs in a walking-beam heating furnace, by adjusting the current slab spacing according to the relationship between the slab discharge conditions on the discharge side and the target loading stroke based on the previous slab spacing, and updating the target loading stroke based on the current slab spacing, thereby adjusting the timing of loading, so that loading and unloading can be performed synchronously.

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