Permanent   magnetic head pulley Magnetic Pulley ), mainly for the following purposes:
 (also known as 
1, after roughing lean ore crushing or broken after exclusion of surrounding rock and other waste rock, improve quality, reduce the load on the next process.
2 for hematite reduction roasting operation will be closed not fully restored ore sorting, return and then burned.
3, for the ceramics industry in the porcelain clay mixed iron removed to improve the quality of ceramic products.
4, burning coal, foundry sand, refractories and other lines required in addition to iron work.