Coal Vertical Roller Mill

Coal Vertical Roller Mill

  • Application Industry
    Cement Plant, Steel Mill, Thermal Power Plant
  • Output
    5~70 t/h
  • Blaine Fineness
    80 μmR 3%
  • Power Consumption of System
    18~22 kWh/t


 Chaeng Vertical Coal  Mill has simple process, compact structure, and it has less dust, low noise, high efficiency granular composition, and excellent combustion performance due to its special design and structure.

Vertical coal mill is typically designed to process materials in medium hardness, like soft coal or bituminous coal, and it is mainly used in positive pressure pulverizing system of soft coal.

QQ图片20150915112442.jpgIt is widely used in Cement Plant, Steel Mill, Thermal Power Plant ,electricity field, metallurgy sector, building material industry, chemical industry, etc. It is an ideal device that integrates crushing, drying, grinding, and grading conveying all together.

vertical rolle mill cost1. Coal vertical roller mill can handle all types of coal

Coal vertical roller mill is used for grinding and drying  all types of coal. 

2. Reducing the power consumption of the raw material preparation effectively                                  

According to the display of material production measured data, it can be saving electricity above 30% use of vertical roller mill production per ton raw material than traditional ball mill, and power saving effect is very remarkable.

3. Finished product has high quality

Coal vertical roller mill adopts advanced technology, finished product has  high-efficiency distribution and excellent combustion performance.

4. Floor space is smallest

Due to its structure features, coal vertical roller mill, compared with the same specifications, can reduce floor space and floor use-cost greatly than ball mill.

Working Principle

coal vertical mill The material through the feed tube fell into the center of grinding plate, and then the materials outwards the surrounding area of grinding plate at centrifugal force, to forms a certain thick layer of materials bed, at the same time material was crushed by number of rollers. The materials continuous moving to the outer edge of the grinding plate, off the grinding plate materials rising with the hot air which enter from wind ring into the vertical roller mill, through the vertical roller mill shell into the middle of the separator, in this course materials and hot gas got a fully heat exchange, the water quickly evaporates. Separator controls the finished product output size, greater than the specified size are separated and fall back to the plate, while meet the fineness demands are brought through the separator into the finished product warehouse.


Model Grinding Table Diameter (mm) Roller Diameter (mm) Roller Number (n) Motor (kW) Output (t/h) Table rotation (rpm)
GRMC12.21 1200 950 2 110 6.0 52.86
GRMC16.21 1600 1250 2 220 12.0 45.77
GRMC20.21 2000 1600 2 400 22.0 40.94
GRMC23.21 2300 1800 2 560 30.0 39.04
GRMC26.21 2600 2000 2 630 35.0 35.91
GRMC28.21 2800 2000 2 710 40.0 34.66
GRMC30.21 3000 2300 2 900 50.0 33.43
GRMC33.21 3300 2450 2 1120 60.0 32.37
GRMC34.31 3400 2000 3 1250 70.0 31.40
GRMC36.31 3600 2150 3 1400 80.0 30.52
GRMC38.31 3800 2300 3 1600 90.0 29.70
GRMC40.31 4000 2450 3 1800 105.0 28.95
GRMC43.31 4300 2550 3 2000 120.0 27.92

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