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Vertical Coal Mill

The vertical coal mill manufactured by Haijian is widely used in coal pulverizing system of various industries such as power, metallurgy, building materials, chemical, etc. It is an ideal choice for grinding medium hardness materials like soft coal. Particularly, this bituminous coal grinding machine is largely used in positive pressure direct-firing coal pulverizing system of fuel soft coal.

Apart from low unit power consumption, small floor space, simple system, low noise, reliable operation, etc. similarly featured by general medium speed coal mill, this vertical coal pulverizing mill is also specially characterized by large crushing ratio, long service life of grinding parts, small change of power output in whole operation cycle, wide range of applicability to materials, perfect applicability in both high and low load, etc.

Technical parameters of HJCM Standard Vertical Coal Mill
Mill models Main parameters and capacity
Diameter of grinding table(mm) Average diameter of mill roller(mm) Number of mill roller Speed of grinding table(rpm) Standard capacity(t/h) Loading power P(kW)
HJCM35.30 3500 1900 3 30.9 70 1400
HJCM30.30 3000 1900 3 33.4 65 1250
HJCM28.30 2800 1750 3 34.6 55 1000
HJCM26.30 2600 1600 3 35.9 45 810
HJCM23.30 2300 1450 3 38.2 35 640
HJCM22.30 2200 1400 3 39 30 590
HJCM20.30 2000 1250 3 40.9 20 430
HJCM16.30 1600 1000 3 45.8 12 250

Remarks: Evaluation standard of mill capacity
(1) Medium grindability of raw material (HGI) ranges from 55 to 60
(2) The moisture content of raw material is 10%
(3) Granularity of fine powder is 80mmR3%
(4) Moisture content range of fine powder is 0.5~1.0 %