Coal Mill

Brief Introduction to Coal Mill

Coal mill is major equipment of cement plant and used for drying and grinding coal. The equipment is mainly consisted of feed device, main bearings, rotating parts, drive device, selling device, high-voltage start-up device and lubrication system. The raw material is fed into mill by feeding equipment. The hot wind enters into the mill from inlet end. As the mill cylinder rotates, the coal and hot air exchange heat in the mill. The coal is crushed and grinded in the mill. When the coal is being grinded, the powder is brought out of the mill by the hot air going through the mill. The products have got the international quality certification of ISO9001:2000 and the European CE certification. The coal mill we make is with reasonable structure, high grinding efficiency and ideal equipment for coal processing.

Air swept coal mill is consisting of feeding device, main bearing, rotating parts, discharging device, high pressure starting device and lubrication system. And the feeding device is consisting of feed pipe, blast pipe and etc.

Working Principle of Coal Mill

Coal mill is a skeleton pattern ball mill with horizontal cylindrical turning gear, driving by outer gear and two compartments. The material goes to the first compartment after the spiraling by the quill shaft from the feeding equipment. The compartment has ladder liners or corrugated liners with steel balls inside, which will fall under the effect of centrifugal force by barrel turning to ram hard and grind material. After the kibbling in the first compartment, by monolayer partition panel, the material will enter the second compartment, which has plane scale board with steel ball inside to grind material. The powder material will be discharged from the grid plate to complete the grinding.

Get Main Features and Function of Coal Mill

1. High grinding efficiency and low energy consumption;

2. Less metal consumption per unit of products;

3. Continuous operation, and large production capacity;

4. Reliable performance, and low maintenance costs;

5. Fine grinding fineness, and uniform size;

6. Simple structure with large drying capacity;

7. Small vibration, low noise, good sealing, no dust spilling, clean environment, which meet the national environmental protection requirements.

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