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我厂铸钢车间旧砂处理系统中,设在混砂机上方栅格定量砂斗的闸门经常被铁块及杂物等卡死,或造成圆盘给料机的调节套圈被挤坏的事故,导致生产中断。对此,我们观察了六角滚筒筛的运行情况,发现斗式提升机卸料口至滚筒筛进料口的落差达2800mm,当大块铁杂物由斗式提升机卸料口抛出落到筛体的构件上时,发生不规则冲击反跳。有少数铁块直接跳出筛网,落入下方砂斗中;还有的铁块虽然未跳出筛网,但已接近筛体进料端,可又不能
In the old sand processing system of the steel plant in our factory, the gate of the quantitative sand hopper arranged on the top of the sand mixer is often stuck by iron pieces and sundries or the like, or the adjusting ring of the disk feeder is crushed Accident, resulting in production interruptions. In this regard, we observed the operation of hexagonal trommel and found that the bucket elevator discharge port to the trommel feed inlet drop of 2800mm, when large pieces of debris thrown by the bucket elevator discharge port fell On the components of the sieve body, an irregular impact bounce occurs. A small number of iron directly out of the screen, falling into the sand bucket below; there are not even out of the iron mesh screen, but close to the feed end of the sieve, but can not