What is the difference between high pressure grinding rolls and ball mill
High-pressure grinding rolls (HPGR) and ball mills are both grinding equipment used in mineral processing plants, but they operate in different ways and have distinct advantages and disadvantages. Here are the key differences between them: Grinding Mechanism High-Pressure Grinding Rolls (HPGR): HPGRs use two counter-rotating rolls, typically made of steel, to exert high pressure on […]