Method and device for controlling cleaning brush roll

Abstract

The invention provides a method and device for controlling a cleaning brush roll. The method includes the steps that the non-load current value of the brush roll is obtained; the cleaning current value of the brush roll is obtained; according to the non-load current value and the cleaning current value, the actual current value IA of the brush roll is determined; and whether the actual current value is within a preset current range or not is judged, and if the actual current value is within the preset current range, the rolling reduction of the brush roll is controlled according to the actual current value. In this way, when the roll diameter of the brush roll is reduced due to abrasion, on-line compensation can be conducted on the actual current value of the brush roll according to abrasion, and thus the brush roll can exert force stably and uniformly, the cleaning quality for strip steel is guaranteed, loss of the brush roll is reduced, and then production cost is lowered.

Description

Technical field [0001] The invention relates to the technical field of the metallurgical industry, in particular to a method and device for controlling cleaning brush rollers. Background technique [0002] In the strip production process, the cleaning quality of the strip directly affects the subsequent galvanizing effect, so stable cleaning quality is very important for hot-dip galvanizing. [0003] When cleaning the strip steel, the control system takes the encoder value of the brush roller to the working position as the position setting value, and the brush roller adjusts its position according to this position. That is, by adjusting the brush roller position, the actual position of the brush roller is not less than the set value. However, due to the continuous wear of the bristles, although the position of the brush roller remains unchanged, the current will gradually decrease. A smaller current is equivalent to a decrease in brush output. As the brush roller is put in for a l...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problems existing in the prior art, the embodiment of the present invention provides a method and device for controlling and cleaning the brush rollers, which is used to solve the problem that in the prior art, as the investment time of the brush rollers becomes longer, the reduction of the strip steel Decrease, strip cleaning quality becomes worse and worse, leading to technical problems of strip quality decline

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