1. During the application of the

   raymond mill

   , some personnel shall be arranged to take responsibility of management. The operators must be qualified with the required technical knowledge. Before the installation of the grinding mill, the persons related to the operation should receive technical training and fully understand the operating principle, performance and regulations of the raymond mill.
2. In order to guarantee the raymond mill in a normal working state, a Safety Operation System for the Maintenance of the equipment must be established. Only in this way can this grinding mill be guaranteed to have a long-term and safe operation. Meanwhile, it is necessary to have the required repairing tools, lubricant and grease, spare parts and accessories.
3. After some period of running, the raymond mill should receive an examination and repairing. The components vulnerable to worn out, such as grinding roller, grinding ring, relieving tool etc. should be repaired or replaced. Before and after the operation, a careful examination should be carried out for the connecting screws, bolts and nuts on the grinding rollers so as to find whether they are loose or sufficiently lubricated.
4. When their application time surpassing about 500 hours, all the rolling bearings in the roller sleeves must be cleaned, and the damaged parts should be replaced. The oiling tool can be either a manual oiling pump or grease gun.

Before the Raymond mill is started, check if all the maintenance doors are closed tightly and the gap between jaw plates of the crusher match the particle size of the feeding material, and the rotating speed of the classifier shall be adjusted in conformity of the required fineness of the finished powder. At last, turn on the machine according to the sequence below:

1. Turn on the dustpan elevator;
2. Turn on the jaw crusher;
3. Turn on the classifier after the hopper is fed with materials;
4. Turn on the blower (It starts with no load. You can load when the blower runs normally);
5. Turn on the main frame. And immediately after that, turn on the electromagnetic vibrating feeder. Then the powder grinding is started.

The sequence of operation is outlined as follows: Start, elevator→crusher→classifier→blower→main frame→feeder,
Turn off the machine in the following sequence:

1. Turn off the feeder and stop feeding materials;
2. Turn off the main frame in one machine;
3. Turn off the blower after blowing off all the residual particles;
4. Turn off the classifier finally.
   The sequence of turning off the machine is outlined as follows: Feeder→main frame→blower →classifier.
   Note: The material is transported to the hopper by an elevator. When the material in the hopper reaches a certain quantity, stop the crusher first and then the elevator. This operation depends on the quantity of the stored material.
5. In order to guarantee the production safety, the Raymond mill must not be lubricated under the normal operation. If any part of the machines generates abnormal noises, or the load is suddenly raised up, turn off the machine immediately for checking and troubleshooting to prevent serious accidents. Before restarting the machine, take out the residual material first. Otherwise, the current will become so strong as to affect the startup operation.

Products Processing Line

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