An Online Adjustment Method of Rolling Oil Based on Iron Sheet Classification of Hot Roll System

Abstract

The invention discloses an on-line adjustment method for rolling oil based on the classification of hot-roller iron sheets, and relates to the technical field of hot-rolled surface on-line detection, including the setting of the initial value of rolling oil opening, the collection of steel sheet defects in strip steel rolls, and the rolling oil According to the calculation logic of the opening degree and the surface grade measured by the surface meter, the rolling oil application strategy is formulated. The invention combines the use of rolling oil with the defects of roll iron sheets detected by the surface instrument, and is put into use only when the roll iron sheets appear and meet certain conditions, which can greatly reduce the number of rolling oil coils to be used and reduce the rolling loss. Oil consumption; Defect grades are confirmed according to the steel sheet grade and the number of defects on the surface of the strip steel, and the online dynamic adjustment of the rolling oil concentration is realized, which further plays the role of rolling oil in improving the surface quality of the strip steel. The present invention dynamically adjusts the rolling oil based on the surface quality of hot-rolled products, so as to improve the use efficiency of the rolling oil in the hot-rolling process and improve product quality, and significantly improves the use efficiency of the rolling oil.

Description

technical field [0001] The invention relates to the technical field of on-line detection of hot-rolled surfaces, and more particularly relates to an on-line adjustment method of rolling oil based on the classification of hot-rolled rolls, and dynamic adjustment of rolling oil based on the surface quality of hot-rolled products, so as to improve the hot-rolling process. Efficient use of rolling oil and improved product quality. Background technique [0002] The flow direction of hot-rolled strip is generally divided into: pickling, cold-rolled feed and construction machinery steel. Except for the slightly lower surface requirements of construction machinery steel, other products are basically used in automobiles, household appliances and other fields. The surface quality requirements are relatively high, and the surface is not allowed to have obvious roll iron sheet pressing defects, otherwise it will seriously affect the user's use. The roll iron sheet is a defect caused by...

AI Technical Summary

Problems solved by technology

[0004] Problems existing in the existing technology: the above-mentioned hot rolling processes such as temperature control, rolling pass, descaling water and load distribution have been solidified in the product design and model, and there is little room for adjustment

The main function of rolling oil as an auxiliary agent in the rolling process is to improve the surface quality of the roll, and then improve the surface quality of the product. At present, it is used in basically all product specifications, and there is a lot of waste. Moreover, the concentration cannot be adjusted after the setting, making the surface When the quality is abnormal, it cannot play a good role in improving

[0005] Patent CN96191202.2 discloses a method for removing scale from hot-rolled steel strips. When hot-rolled steel strips are rolled by cold rolling mills under large rolling reductions, those that cannot keep up with the elongation of the basic steel Cracks and interlayer detachment in the rolled scale, which impairs the adhesion of the rolled scale to the base steel

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