Control method for online predication of surface crack of continuous casting sheet billet
A surface crack and control method technology, which is applied in the field of steelmaking and continuous casting, can solve problems such as product scrapping, achieve high prediction accuracy, reduce the occurrence of quality defects, and improve the quality of slabs
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[0036] The following is attached figure 1 and 2 The present invention will be further described with following examples, but the present invention is not limited.
[0037] The present invention will be further described below in conjunction with the examples, but the present invention is not limited.
[0038] refer to figure 1 , in the crystallizer, 2 horizontal rows and 8 vertical rows of thermocouples are buried at even intervals below the molten steel level to form a temperature detection system (ie m=2, n=8), to confirm whether the temperature detection system is working normally, Then proceed as follows:
[0039] 1. Obtain the temperature value recorded by each row thermocouple through the temperature detection system (T 1 , T 2 ·····T 8 );
[0040] 2. Calculate the average value, absolute deviation and standard deviation of each temperature in the same row;
[0041] T ‾ = T ...
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