Method and device for controlling cleaning brush roller

A technology for cleaning brushes and brush rollers, which is applied in the coating, metal material coating process, hot-dip coating process, etc., and can solve the problems of poor strip cleaning quality and strip quality decline
CN106939397BActive Publication Date: 2019-04-12SHOUGANG JINGTANG IRON & STEEL CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
SHOUGANG JINGTANG IRON & STEEL CO LTD
Publication Date
2019-04-12

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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.
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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 steel production process, the cleaning quality of the strip steel directly affects the subsequent galvanizing effect, so stable cleaning quality is very important for hot-dip galvanizing.

[0003] When cleaning the strip, the control system uses the encoder value when the brush roller reaches the working position as the position setting value, and the brush roller adjusts the position according to this position. That is, by adjusting the position of the brush roller, 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, and the decrease in current means that the output of the brush will decrea...

Claims

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