Raymond Mill Wear PartsDate:2020-01-10

Summary:What is the internal structure of Raymond mill? What are the main milling parts and what materials are used? How does the grinding roller grind the ore material

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What is the internal structure of Raymond mill? What are the main milling parts and what materials are used? How does the grinding roller grind the ore material during work? Will there be wear and tear, how to extend the service life of wear parts? Let us take a look at the main components and working principle of Raymond mill. The three major wear parts of Raymond mill are blade, grinding roller and grinding ring. During grinding, the three are in direct contact with the material, and a certain degree of wear is inevitable.

How Raymond Mill works

The working principle of Raymond Mill is that the material is rolled on the grinding ring under the action of centrifugal force, and the material is shoveled by the blade to the middle of the grinding roller and the grinding ring. The powdered material is blown up through the analysis machine under the action of the powder, and the material that meets the requirements of fineness passes through the analysis machine, and can not be returned to the grinding chamber to continue grinding. Discharge after meeting the requirements. In this process, Raymond Mill saves about 30% to 40% of the electricity consumption of other milling equipment, which can greatly reduce the use cost.

Grinding Mill

Measures to protect the three wear parts of Raymond mill

  1. 1. Material hardness. The harder the material is, the higher the degree of wear will be. For higher hardness materials, you need to choose a better material of the grinding roller ring.
  2. 2. Under the condition of ensuring the powder extraction efficiency, reduce the speed of Raymond mill as much as possible, which can not only reduce the power consumption, but also effectively reduce the degree of wear and extend the service life.
  3. 3. When replacing the grinding roller, the rolling bearings in the roller sleeve must be cleaned, and the damaged parts should be replaced in time. The refueling tool can be a manual refueling pump.
  4. 4. After using Raymond mill for a period of time, it should be overhauled. At the same time, it should be overhauled and replaced the wearing parts such as the grinding ring and the blade. There is looseness, and whether the grease is full.
  5. 5. Scrap limit of the grinding roller grinding ring, the remaining small wall thickness shall not be less than 10mm.
  6. 6. It is strictly forbidden for metal blocks to enter the machine. If it is found to stop immediately, it will damage the grinding rollers and grinding rings, and even hangers.
  7. 7. Grind the roller bearings once every shift, the host bearings once every 4 shifts, and the blower bearings once every month. The temperature rise of the bearing should not exceed 70 бу C. When the bearing is found to be overheated, the bearings and other accessories such as the bearing chamber should be removed and cleaned once.

During the use of the Raymond mill, there should be fixed personnel to take care of it, so that it can be repaired in time to ensure the normal operation of the mill.

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