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Prediction method of mold breakout based on image processing

An image processing and crystallizer technology, applied in the field of continuous casting technology, can solve problems such as low accuracy of breakout prediction, high data requirements, and algorithm limitations, so as to reduce the rate of false alarms, reduce data dependence, and overcome leaks. The effect of positive rate and false positive rate

Active Publication Date: 2021-08-06
CONTINUOUS CASTING TECH ENG OF CHINA
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Problems solved by technology

[0006] In view of the problems referred to above, the purpose of this invention is to provide a method for mold breakout prediction based on image processing, to solve the existing bottlenecks in the current breakout prediction algorithm in terms of breakout rate and false alarm rate, and the algorithm itself has a large impact on the data. The requirements are too high, it is easy to omit information, which leads to the limitation of the algorithm, which leads to problems such as low accuracy of steel breakout prediction

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  • Prediction method of mold breakout based on image processing
  • Prediction method of mold breakout based on image processing
  • Prediction method of mold breakout based on image processing

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[0049] In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that these embodiments may be practiced without these specific details.

[0050] Aiming at the bottleneck of the breakout prediction algorithm in the existing method proposed above in terms of false alarm rate and false alarm rate, and the algorithm itself has too high requirements for data, it is easy to omit information, which leads to the limitation of the algorithm. Thereby lead to problems such as low accuracy of breakout prediction, the present invention proposes a kind of crystallizer breakout prediction method based on image processing for above-mentioned problems, adopts the method of the present invention to be able to overcome the rate of false alarm and the The contradiction of the false positive rate will not increase the false negative rate while reducing the ...

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Abstract

The invention provides a method for predicting mold breakout based on image processing, comprising: acquiring the temperature of a temperature measuring point arranged on a mold to be measured; , obtain the first three-dimensional space coordinates of the position and temperature of the temperature measurement point; corresponding to the temperature of the temperature measurement point, form the second three-dimensional space coordinates of the position and temperature rise rate of the temperature measurement point; Standard temperature rise rate, slice the temperature dimension and temperature rise rate dimension parallel to the two-dimensional plane coordinates, and obtain the temperature slice and temperature rise rate slice respectively; Preset warning rules for warning prompts. The invention can solve the problems such as the limitation of the current breakout algorithm due to the bottleneck in the leakage rate and false alarm rate.

Description

technical field [0001] The invention relates to the technical field of continuous casting technology, and more specifically, to a mold breakout prediction method based on image processing. Background technique [0002] Steel breakout accident is a very harmful production accident in continuous casting production. The occurrence of steel breakout accident not only affects the continuous casting production, but also seriously damages the crystallizer and roller table, increases the maintenance amount and maintenance cost of continuous casting equipment, and causes huge losses. Economic losses will also bring huge security risks. [0003] In order to reduce the occurrence of steel breakout, people have been devoting themselves to the development of a steel breakout forecast system. By installing sensors on the crystallizer and using an automatic control system to effectively reduce the steel breakout rate. The most widely and effective method for predicting bonded breakout is ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/16
CPCB22D11/16
Inventor 钱亮韩占光鄢松涛吴鹏谢长川周干水
Owner CONTINUOUS CASTING TECH ENG OF CHINA
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