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《Steel Rolling》 2019-03
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Optimization and application of scrubbing system used in cold rolling line

YE Dong-bai;Cold Rolling Plant,Baoshan Iron and Steel Co.,Ltd.;  
How to improve the washing effect of the degreasing section of the cold rolling processing unit,and prolong the brush roll life,has been a comprehensive problem for designing and application.The following measures are proved effectively.The first is the selection of appropriate brush wool and brush combination to ensure the quality of the strip surface.The second is three-point positioning mode of the brush plate and mandrel which is more stable and can avoid the brush roller vibration.The third is suitable roller core and brush length size which can effectively improve the available brush length and the service life of brush roller.The fourth is the offset of the brush roller and the support roll which can improve the stability of brush roll.The fifth is reasonable selection of the reverse brush process and the suitable nozzle which can reduce the investment cost,the energy consumption and the foam produced by scrubbing.The sixth is proper setting and control of the roller pressure which can reduce the abnormal wear of the bristles and prolong the service life of the brush.The seventh is the optimization of the adjusting structure which can improve the adjusting precision and avoid the death when the dynamic regulation is applied.The eighth is optimization of nozzle configuration which can improve the cooling effect,and the spray surface cross arrangement of nozzle which can avoid the blockage of individual nozzle causing the loss of brush hair.The ninth is optimization of the flap and filtration device which can reduce the foreign body entering the system,improve the filtration effect,and ensure the smooth and cooling effect of the nozzle.
【CateGory Index】: TG333
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1 LI Wei;Siemag Strip Processing Lines (Shanghai) Co.,Ltd;;Design and Research of Brushing Machine in Cleaning Section Strip[J];机械研究与应用;2014-05
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1 FU Jian-hui;CISDI Engineering Co.,Ltd.;;A new selection of hot-dip galvalume line for high-grade appliances steel sheets[J];轧钢;2015-06
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