classifier overflow

Ore Dressing Subplant,manual operation is changed into automatic control system that regulates the overflow density of sorter.

分析八鋼選礦分廠分級機的工藝流程的情況下 ,將調節分級機溢流濃度的手動操作改造成自動控制系統 。

Through improving graded closing grinding operation,regulating the system of floatation agent,reforming magnetic concentration operation,and making sure the graded overflow thickness and overflow fineness to meet the requirement of producing process the grade of concentrating iron ore is up to 65.

張馬屯鐵礦對生產工藝流程進行考查，查找硫鐵精礦品位低、尾礦品位高的原因，通過改造閉路磨礦分級作業、調整浮選藥劑制度、改造磁選作業，確保了分級溢流濃度和溢流細度滿足工藝要求，提高了浮選作業效果，鐵精礦品位達到６５。