大吉山钨矿选厂1958年投产,经过三十年的生产,设备已陈旧老化,主要零部件磨损严重,按常规大小修,难以确保设备安全运转。因此更新设备成了当务之急。然而主要设备整台更新,需时太长,影响生产。例如运输原矿的咽喉设备1.2m×10m 板式给矿机整台更新要耗三个月时间,让选厂停产这么长时间显然是不允许的。为此,采用了有计划的分期分批局部更新的方案,使生产与更新兼顾。 Dajishan tungsten ore processing plant put into operation in 1958, after three decades of production, the equipment has aged aging, serious wear and tear of major components, according to the conventional size of repair, it is difficult to ensure the safe operation of equipment. Therefore, updating equipment has become a top priority. However, the entire major equipment update, take too long, affecting production. For example, the transport of raw ore throat equipment 1.2m × 10m plate feeder to update the entire unit to take three months, so that the election plant shutdown for such a long time is obviously not allowed. To this end, the use of planned partial installment partial update program to make both production and update.