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Coal Mill in Power Plant

Coal Mill in Power Plant

Role of Coal Powder

Coal powder can do sand and fuel additives, widely used with cement and thermal power plants. Cast iron with wet sand adding coal powder, can prevent surface adhering sand casting defects, improve casting surface finish, and reduce sand inclusion defects, improve the function of pieces of sand, for wet ductile iron parts, also can effectively prevent subcutaneous blowhole, circular vortex burner are available, and the air without preheating. General use of coal powder particles diameter range of 0-1000 um, mostly 20-50 um particles, so the coal powder to make coal mill has certain requirements.

Coal Mill in Powder Plant

Degree Of coal powder has an important standard is uniform, homogeneous degree refers to the characteristic coefficient Of coal powder, the higher the coefficient Of said uniformity Of coal powder, the better, Of course, the company’s coal mill in power plant top service company’s powder, such as MTM Trapezium Grinder than Ball mill made Of coal powder is better uniformity. But not have to put all of coal powder is made into high uniformity, according to actual use to choose the appropriate machine. If you produce knowledge of coal powder used as fuel there is no need for special high uniformity, choose the ball mill is ok, but if your coal powder is used as additive, the need to use MTM Trapezium Grinder for coal mill, coal powder uniformity will affect as additive effect.

Ball Mill- Popular Coal Mill in Powder Plant

Because coal is the main purpose of fuel for power plants, and so will usually choose Ball Mill as a coal Mill in powder plant, Ball Mill, Ball Mill, the performance characteristics of Ball Mill for the edge of the transmission, by the motor through reducer, and the size of the gear drives the Mill drive. Grinding machine adopts wind sweep with drying storehouse type structure, make the mill on the moisture of raw coal has great adaptability, grinding chamber, in turn, use ladder lining board, double step plate, corrugated plate, such as modular arrangement layout, improve the Ball mill production coal powder. Feeding device adopts helical intake louver structure, enhance the heat transfer capacity of mill, can effectively prevent coal mill imported plugging material. Ball mill with its good performance and the characteristics of cheap become the most popular coal mill in powder plant.

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