齐大山选厂反浮选工艺改造是鞍矿公司近年的重点技术改造项目 ,称为齐大山选厂的“希望工程” ,已顺利进入生产调试和试生产阶段 ,效果良好。该项目属于边生产、边施工的在线技术改造工程 ,为使生产、改造两不误 ,此次工艺改造拆除了老式浮选机 12 8台、泡沫流槽 2 0 0ｍ、管道 Qida Dashan processing plant anti-flotation process transformation is a key technology transformation project in recent years, the saddle mining company, known as Qidashan dressing plant “Hope Project”, has successfully entered the production commissioning and trial production stage, the effect is good. The project belongs to the on-line technical renovation project of side production and construction. In order to make both production and renovation correct, the process removals 128 old flotation machines, foam flow slots of 200 meters, pipes