我厂是1972年投产的,当年的实际生产能力即超过设计水平。1973年实际生产能力超过设计能力的17.5%。全厂使用斗式提升机四部(400毫米的一部,600毫米的三部),经一年多的生产实践,发现问题较多,断大链9次,每次事故影响生产达6小时之久,且配件品种多,消耗量大,如:链条上的联接销轴、销轴套、滚轮的磨损较快,六个月就要全部更换,滑道上铺设的滑道扁钢一年需要更 Our factory was put into operation in 1972, when the actual production capacity that is more than the design level. In 1973 the actual production capacity of more than 17.5% of design capacity. The whole plant uses four bucket elevator (400 mm a, 600 mm three), after more than a year of production practice and found that more problems, breaking the big chain 9 times, each time the impact of the production of up to 6 hours For a long time, and accessories variety, consumption, such as: the link on the chain pin, pin bushings, roller wear faster, we must all be replaced within six months, slide chute laid flat steel year need more