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Coal Mill

Coal Mill

Feeding Granularity: Φ2.2×4.4m-Φ3.8×7.25+3.5m

Production Capacity: 8-43t/h

Application Range: Widely used in cement building materials, thermal power, metallurgical industry, chemical industry, etc

Email us: sell@hxjq.com

The Application and Usage of Coal Mill:

Coal mill is used for grinding and drying coals with high, middle and low hardness, with reasonable structure and high grinding efficiency, and it is one ideal equipment for coal powder making. Air-swept coal mill is widely used in cement and building materials, thermal power generation, metallurgy, chemical industry and other industries.

coal_mill

The Interior Structure of Coal Mill:

Coal mill is mainly composed of feeding device, main bearing, rotating part, transmission part, discharging device, high-voltage start devices and lubrication system. Air-swept coal mill uses wind-sweep-type structure with a drying storehouse, making it has greater adaptability of coal with moisture. The grinding position has combined arrange layout of ladder liner, double-ladder liner and corrugated liner, which improves the grinding ability of the coal mill. Feeding device is oblique inlet shutter-type structure which enhances thermal exchange capacity of the mill, and can effectively prevent the feeding port blocking of coal mill.

Technical Parameter

Spec.
(m)
Item
Φ2.2
×4.4
Φ2.4
×4.75
Φ2.4
×4.5+2
Φ2.5
×3.9
Φ2.6
×5.25+2.25
Φ2.8
×5+3
Φ2.9
×4.1
Φ3.0
×6+3
Φ3.2
×6.75+2
Φ3.4
×6+3
Φ3.8
×7+2.5
Φ3.8
×7.25+3.5
Speed
(r/min)
22.4 20.4 20.4 20 19.7 18.3 18.8 17.3 16.9 17.5 16.4 16.4
Capacity
(t/h)
8~9 12~14 11~12 10 13~14 16~17 14~16 19~20 27~29 28~30 38~40 41~43
Fineness
R80 (%)
10-12 8-10 8-10 8-10 8-10 8-10 8-10 8-10 8-10 12 12 12
Feeding
Size(mm)
<25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25 <25
Grinding
Media
Loading
(t)
20 22 22.5 22 28 32 35 43 50 55 80 85
Mositure
(%)
Inlet <10 <10 <10 <10 <10 <12 <10 <10 <10 <12 <12 <12
Outlet <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2 <2
Temp.
(℃)
Inlet <350 <350 <350 <350 <350 <350 <350 <350 <350 <350 <350 <350
Outlet 60~80 60~80 60~80 70~90 70~90 60~80 60~80 70~90 80~90 60~80 60~80 60~80
Main
Reducer
ZD60 ZD60 ZD60

ZD60 MBY450

ZD70
MBY450

ZD70 MBY500 ZD80 MBY560 ZD80 MBY560 JDX630 JDX710 MBY710 MBY800
Main
Motor
(kw)
250 280 315 315 400 500 500 630 710 800 1250 1400
Weight
(t)
46 54 76 62 98 107 78 124 148 162 178 220

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