Early warning judgment method and early warning judgment device for bonding bleed-out

A crystallizer and cross-sectional width technology, which is applied in the direction of measuring devices, safety devices, and electrical devices, can solve problems that have not been studied and applied in depth, so as to avoid missed or false positives and reduce missed and false positives. Reporting, interference insensitive effect

Active Publication Date: 2019-12-03
CONTINUOUS CASTING TECH ENG OF CHINA
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Problems solved by technology

[0003] At present, there are many methods of bonding judgment, such as logical judgment method, neural network method, image neural network method, etc., but still have not solved the problem of bonded bre

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  • Early warning judgment method and early warning judgment device for bonding bleed-out
  • Early warning judgment method and early warning judgment device for bonding bleed-out
  • Early warning judgment method and early warning judgment device for bonding bleed-out

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[0026] Hereinafter, embodiments of the warning judgment method and the warning judgment device for bonded steel breakout according to the present invention will be described with reference to the accompanying drawings. Those of ordinary skill in the art may realize that the described embodiments can be modified in various different ways or combinations thereof without departing from the spirit and scope of the present invention. Therefore, the drawings and description are illustrative in nature, and are not used to limit the protection scope of the claims. In addition, in this specification, the drawings are not drawn to scale, and the same reference numerals denote the same parts.

[0027] The warning judgment method for bonded breakout of the present invention is suitable for bonded breakout warning of slabs, square billets, round billets, shaped billets, CSP (compact hot strip production line), and ESP (thin slab continuous casting and rolling). Combine below figure 1 To illu...

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Abstract

The invention discloses an early warning judgment method and an early warning judgment device for bonding bleed-out, a single row of temperature measuring points are arranged on a crystallizer along the width direction of a casting section, and the method comprises the following steps: acquiring temperature values of the temperature measuring points on a time sequence to form a two-dimensional temperature matrix; carrying out mode processing on the temperature values of the two-dimensional temperature matrix to form a mode matrix, wherein the mode processing refers to converting the temperature value of the temperature rising starting point into a, converting the highest temperature into b and converting other temperature values into c for the temperature value of each temperature measuring point if the temperature is in a rising-to-falling mode; for the non-rising-to-falling mode, converting the temperature into a; and identifying data of the mode matrix to obtain an equivalent feature contour, judging whether a triangular early warning block is formed or not, and taking whether the triangular early warning block is expanded in the transverse direction and/or the longitudinal direction or not as a judgment basis for bonding or not. According to the invention, the defect that early warning depends on multiple rows of thermocouples is solved, the maintenance cost is reduced, andthe phenomena of missing report and false report caused by thermocouple abnormality are reduced.

Description

technical field [0001] The invention relates to the technical field of metallurgical production, in particular to an early warning judgment method and an early warning judgment device for bonded breakouts. Background technique [0002] In metallurgical production, steel breakout is a catastrophic production accident with high frequency and high destructiveness, and bonded steel breakout is the most frequent type of accident among all steel breakout accidents. Therefore, when bonding defects occur in production, through timely Identifying the occurrence of bonding and taking corresponding measures is an important part of preventing steel breakout accidents. [0003] At present, there are many methods of bonding judgment, such as logical judgment method, neural network method, image neural network method, etc., but still have not solved the problem of bonded breakout in the metallurgical industry. The main defects of these methods are: [0004] Logical judgment method: By stu...

Claims

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Application Information

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IPC IPC(8): B22D46/00G01M3/00G01K7/04
CPCB22D46/00G01K7/04G01M3/002
Inventor 白居冰
Owner CONTINUOUS CASTING TECH ENG OF CHINA
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