Cement Ball Mill

Coal Vertical Roller Mill

【Product description】: Vertical coal mill, also known as vertical roller coal mill and vertical coal grinding mill, is a mechanical equipment for crushing and grinding coal into coal power. Mainly used for grinding raw coal, bituminous coal, and other fuels into coal powder.
【Application】: Power plant, Cement plant, Lime plant and Steel Plant, etc. 
【Product capacity】: 5-70 t/h
【Fineness】: 80 μmR 3%
【Power】: 18-22 kWh/t

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1. 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.


coal vertical mill.jpg

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


coal vertical mill case.jpg

Uzbekistan 1000t/d cement production line

Raw material: cement Capacity: 600,000 tons annually

Main equipment: GRMR26.21 raw material vertical mill , φ3.2X50m cement rotary kiln, GRMK33.31 cement vertical mill, GRMC16.21 coal vertical mill

Project in: Uzbekistan

In the nearly 60 years of large-scale grinding equipment manufacturing experience, CHAENG has manufactured many coal vertical grinding equipment which have been adopted by a number of Chinese coal grinding production lines.

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E-mail: info@chaeng.co




Office Add: Mengzhuang Town, Huixian City, Henan Province, China