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Vertical Roller Mill Operation

Vertical Roller Mill Operation

Introduction of Vertical Roller Mill

Vertical roller mill is a kind of ideal large grinding equipment, widely used in cement, electric power, metallurgy, chemical industry, the gold ore, etc. It sets the crushing, drying, grinding, sorting conveyor at an organic whole, high production efficiency, can be massive, granular and powdered materials into powder material will be required. Feed particle size: the vertical roller mill can handle strength between 38 to 55 mm material, production capacity can reach 10-50 t/h, vertical roller mill for material’s ability to adapt is very strong, can be processing cement, coal, feldspar, calcite, talc, fluorite, iron ore, copper ore, phosphate rock, graphite, quartz, slag and other materials.

Working Principle of the Vertical Roller Mill

Motor rotation speed reducer drive a millstone, through material from the feed opening fell into a millstone, move to the edge of mill under the action of centrifugal force and grinding roller of roller compaction, shredded material from the vertical roller mill mill edge overflow, at the same time from the nozzle ring wind speed up stream to with vertical roller mill in one of the efficient classifier, meal after separator is returned to the mill wheel, grinding again; Fine powder increases with airflow grinding, collect down in the system of the dust collecting device, namely for the product. Stream is not bring up the coarse particle materials and accidental into metal sinks down from the wind ring, by scraping board, by the outer loop of bucket machine feeding vertical roller mill grinding again.

Vertical Roller Mill Operation

  • 1, to ensure the safe operation of the vertical roller mill for a long time, and at the same time to have the necessary maintenance tools as well as grease and corresponding vertical roller mill operating normally, should formulate equipment “equipment maintenance safe operating system” in the attachment.
  • 2, the use of more than 500 hours to replace roller vertical roller mill roller, roller rolling bearing internal Settings must be clean, damaged parts should be replaced in a timely manner, timely refueling tools available manual pump.
  • 3, vertical roller mill in use process, should be fixed personnel, operation personnel must have a certain technical level. Prior to installation, vertical roller mill must provide the necessary technical training to operators, to understand the performance of the vertical roller mill, familiar with the principle of operation procedures.
  • 4, after a period of time after the use of vertical roller mill, should be maintained. Roll grinding ring and shovel replacement/repair parts processing, such as roller device in use for connecting bolt and nut should be checked before and after, and see whether there is loose phenomenon, add lubricating oil.

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