此筛原是仿照其他工业由东德引进的设备,经沈阳铝镁设计院进行了修改和新设计的,首次在南通碳素厂用于碳素工业。这种筛子具有结构简单、投资少、上马快、造价低、可降低楼房层数和易维修(除更换 This sieve is modeled on other industries by the East German introduction of equipment, the Shenyang Institute of Al-Mg modified and newly designed, the first carbon plant in Nantong for the carbon industry. This kind of sieve has the advantages of simple structure, less investment, quick loading and low cost, which can reduce the number of building layers and easy maintenance