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Vertical Roller Mill Working Principle


2018-12-19 10:01:09

Vertical Roller Mill Working Principle

Vertical Roller Mill

Vertical Roller Mill is widely used in barite, calcite, potassium feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass, High-fine powder processing of more than 300 kinds of materials such as thermal insulation materials with a Mohs hardness of not more than 7 grades and a non-flammable and explosive mineral, chemical, construction and other industries with a humidity of 6% or less. The fine powder grinding mill has a particle size of 300- Any adjustment within the range of 25,000 mesh, up to 300 mesh.

Vertical Roller Mill working principle

The air-selected airflow of the Vertical Roller Mill is circulated and flowed in the fan & mdash; mill shell & mdash; cyclone separator & mdash; therefore, it has less dust than the high-speed centrifugal pulverizer, the operation workshop is clean, the environment is non-polluting, and the product functions are all. The pulverized material can be pulverized, and the pulverization process has no temperature rise, and is suitable for the pulverization of the heat sensitive material, and can disperse the sintered agglomerated ultrafine material, the particle size recovery rate reaches 100%, has the particle shaping function, effectively increases the bulk density, and can be pulverized. The material of the fibrous tissue also has the function of drying.

The Vertical Roller Mill is mainly composed of a main machine, a fineness analysis machine, a blower, a finished cyclone dust collector, a bag filter and a connecting air duct. According to the needs of users, it can be equipped with auxiliary equipment such as crusher, hoist, storage bin, electromagnetic vibrating feeder and electrical control cabinet. In the main machine, the grinding roller assembly is suspended on the grinding roller hanger through the cross-supporting shaft, the grinding roller hanger is fixedly connected with the main shaft and the blade holder, and the pressure spring is pressed on the outer end surface of the cantilever of the grinding roller bearing chamber, and the cross arm is The shaft is a fulcrum forcing the grinding roller to press tightly on the inner surface of the grinding ring. When the motor drives the main shaft to rotate by the transmission device, the blade mounted on the blade holder rotates synchronously with the grinding roller, and the grinding roller rolls in the grinding ring. At the same time, it rotates around its own axis. The motor drives the impeller of the analyzer through the transmission. The higher the impeller speed, the finer the sorted powder.

Vertical Roller Mill advantage

1. The Vertical Roller Mill has a larger application range than the airflow mill.

2, Vertical Roller Mill Other mills compared to the grinding roller on the material pressure under the action of high pressure springs provide 800---1200Kg. Energy saving, in the case of the same output and fineness, the system energy consumption is only one third of the airflow mill.

3. The investment is small and the benefit is high. In the case of the same output and fineness, the price is only one-eighth of the airflow mill.

4, the production process is less, micro-grinding compared with the jet mill, the jet mill must first smash the 20mm material to 100 mesh to be processed into ultra-fine powder, while the high-pressure Vertical Roller Mill can directly feed the particle size below 20mm. The average particle size is reached; 6.5 & mu; m ~ 12.5 & mu; m ultrafine powder.

5. The grinding device adopts overlapping multi-stage sealing and has good sealing performance.

6. The dust removal effect of the Vertical Roller Mill fully meets the national dust emission standards.

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