Method and device for controlling cleaning brush roll

A technology for cleaning brushes and brush rollers, which can be used in coatings, metal material coating processes, hot-dip plating processes, etc., and can solve the problems of reduced strip quality and poor strip cleaning quality

Active Publication Date: 2017-07-11
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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...

Method used

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  • Method and device for controlling cleaning brush roll
  • Method and device for controlling cleaning brush roll

Examples

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Embodiment 1

[0030] This embodiment provides a method for controlling the cleaning brush roller, such as figure 1 As shown, the method includes:

[0031] S101: Obtain the no-load current value and the brush current value of the brush roller.

[0032] In this step, in order to avoid the influence of the change of the brush roller diameter on the current control, it is necessary to obtain the no-load current value and the brush current value of the brush roller. In this step, the control current of the brush roller is divided into no-load current and brushing current. Current; the no-load current refers to the current value of the brush roller during stable operation when it is not in contact with the strip, and the over-brushing current value is the increase in current when the brush roller has a scrubbing effect on the strip after it contacts the strip steel value. Wherein, the brushing current value can be determined in advance through production experience.

[0033] S102. Determine the actual...

Embodiment 2

[0050] Corresponding to the first embodiment, this embodiment also provides a device for controlling the cleaning brush roller, such as figure 2 As shown, the device includes: an acquisition unit 21, a determination unit 22, and a judgment unit 23; wherein,

[0051] The acquiring unit 21 is used to acquire the no-load current value of the brush roller and the brushing current value of the brush roller; in order to avoid the influence of the change of the diameter of the brush roller on the current control, the acquiring unit 21 needs to acquire The no-load current value and the brushing current value of the brush roller. In this embodiment, the control current of the brush roller is divided into no-load current and brushing current; the no-load current refers to the stable operation when the brush roller is not in contact with the steel strip. The current value of the over-brushing current is the increase value of the current when the brush roller has a scrubbing effect on the s...

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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.

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...

Claims

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Application Information

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IPC IPC(8): C23C2/02C23C2/06C23G3/02
CPCC23C2/02C23C2/06C23G3/02
Inventor 卢杰高文芳李晓蕾张学范任新意翟立刚王明瑞王飞徐志荣李中伟
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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