This method can improve the chemical reaction activity of roasted products, greatly improve the whiteness of calcite, and obtain high-grade calcite grinder milling plant machines.

However, the disadvantage of roasting purification is high energy consumption and easy to cause environmental pollution.

It is difficult to obtain high-grade calcite grinder milling plant machines only through a single process.

Therefore, in the actual production, it is recommended that the mine owners select qualified manufacturers for beneficiation test, and adopt a combination of multiple processes to improve the product quality of calcite.