In the preparation stage of commissioning, Zenith commissioning staff carefully inspected Raymond mill.

The main contents of the inspection are as follows: 1. There are no sundries inside Raymond mill cylinder.

2. The fastening of Raymond mill and the connecting bolts are tightened.

3. The rotating parts shall not collide with other objects.

4. Heating and cooling, main bearing cooling water system, no water leakage.

5. There is no oil leakage in the lubrication station.

It is necessary to inject sufficient grease into the sealing ring cavity of Raymond mill main bearing to ensure the lubrication of the main bearing.