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

Active Publication Date: 2019-04-12
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 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

Method used

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

Examples

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Embodiment 1

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

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

[0032] In this step, in order to avoid the impact of the change of the diameter of the brush roller on the current control, it is necessary to obtain the no-load current value and the brushing 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 when the brush roller does not touch the strip steel when it is running stably, and the said over-brushing current value is the increase in current when the brush roller has a scrubbing effect on the strip steel after touching the strip steel value. Wherein, the brushing current value can be determined in advance through production experience.

[0033] S102. Determine...

Embodiment 2

[0050] Corresponding to Embodiment 1, this embodiment also provides a device for controlling cleaning brush rollers, 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 acquisition 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 acquisition unit 21 needs to acquire the The no-load current value and the brushing current value of the brush roller are described. In this embodiment, the control current of the brush roller is divided into no-load current and brushing current; The current value, the said over-brushing current value is the increase value of the current when the brush roller has a scrubbing effect on the strip steel after touching the strip steel. Wherein, the brushing current value can be det...

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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 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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Application Information

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Patent Type & Authority Patents(China)
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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