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Method for accurately positioning casting blank production process parameters to casting blank slices

A production process and accurate positioning technology, applied in the field of intelligent control of continuous casting production process, can solve problems such as slab slicing, parameter positioning deviation, etc., and achieve the effect of ensuring accuracy, high reliability, and accurate and reliable information

Inactive Publication Date: 2017-05-31
CENT IRON & STEEL RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of the above technical problems, the purpose of the present invention is to provide a method that overcomes the problem that the parameters of the real-time slab production process are only aimed at the slab, not the slab slice, and overcomes the problem of deviation in the positioning of the traditional slab production process parameters. Method for Accurately Locating Slab Production Process Parameters to Slab Slices

Method used

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  • Method for accurately positioning casting blank production process parameters to casting blank slices
  • Method for accurately positioning casting blank production process parameters to casting blank slices
  • Method for accurately positioning casting blank production process parameters to casting blank slices

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Embodiment

[0117] This embodiment is the actual situation that a steel factory uses this method in the actual production process, and the initial information is:

[0118] Casting machine: 1# casting machine; number of streams: 6 streams; pouring times: 6C3055; furnace number: 1632001;

[0119] (1) According to the weight of molten steel in the ladle, the number of casting streams, the planned fixed length of the slab, the fixed width of the slab, the fixed thickness of the slab and the planned length of the slab, determine the number of slabs planned to be produced per flow and the number of slices per slab .

[0120] Number of slabs generated per flow plan:

[0121] The formula for the number of slabs produced per flow plan is as follows:

[0122]

[0123] Calculated according to formula (a)

[0124] The number of slab slices generated by each slab plan:

[0125] After determining the number of slabs planned to be produced for each stream, use the following formula to determine...

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Abstract

The invention belongs to the field of intelligent control of continuous casting production processes, and especially relates to a method for accurately positioning casting blank production process parameters to casting blank slices. The method comprises the steps of (1) determining the number of per-flow planned production casting blanks and casting blank slices according to molten steel weight and casting blank planned sizing information; (2) generating virtual casting blank numbers and virtual casting blank slice numbers per flow; (3) determining the casting blank production process parameters and corresponding affected area positional information according to production filed equipment status; (4) obtaining per-flow casting length in real time, and correcting the casting length of the flow before cutting the first casting blank per flow per furnace steel; (5) determining positions of the casting blank slices according to the casting length per flow; and (6) positioning the casting blank production process parameters acquired in real time to each casting blank slice according to the step (3) and the step (5). The casting length is corrected and furthermore the production process parameters are accurately positioned to the casting blank slices, and accuracy of casting blank slice quality defect determination is improved.

Description

technical field [0001] The invention belongs to the field of intelligent control of the continuous casting production process, and in particular relates to a method for accurately positioning the production process parameters of the casting slab to the slab slice. Background technique [0002] The intelligent control of the continuous casting production process and the real-time analysis and judgment of slab quality defects are more and more valued by iron and steel enterprises. The generation of slab quality defects can improve production efficiency. Slab quality defects are divided into four categories: slab purity, slab surface defects, slab internal defects, and slab shape defects. At present, steel mills at home and abroad use a variety of methods to analyze and judge the quality defects of slabs. For example, the physical detection methods of electromagnetic induction or optical detection are used to detect slab defects online. The detection effect of slab surface qua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/126B22D11/16
CPCB22D11/126B22D11/16
Inventor 从俊强仇圣桃彭世恒张兴中班泽宇
Owner CENT IRON & STEEL RES INST
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