Operating Principle For Grinding Mills
- Before starting the mill, check whether all the overhaul doors are closed tightly and whether there are foreign bodies such as iron and steel in the hopper. Pay special attention to the correct steering is to stand in the direction of the wheel counter-clockwise rotation.
- Start the coarse grinding motor and feed slowly. After the mill is started, it can’t be used for a long time without feeding. The low time limit is 15 minutes, so as to avoid damage to the liner. When turning off rough grinding, the hopper should be closed before the motor is closed after the material is exhausted.
- Coarse grinding is not allowed to refuel at will in normal work. When abnormal noise occurs, or the load suddenly increases, the machine should be stopped immediately for checking. When troubleshooting and restarting the machine, the surplus material of coarse grinding should be taken out. Otherwise, the excessive current during startup may affect the normal startup.
- The wear condition of lining plate in mill should be checked regularly, and sufficient and clean lubricating oil should be inspected and guaranteed at every lubricating point. The oil temperature of main bearing should not exceed 60 C. When stopping, stop feeding first, and then the mill still needs to run for 10 – 15 minutes. After the basic grinding of limestone in the cylinder, stop again. When the accident suddenly stops, stop feeding immediately, cut off the power of the motor and other units.
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