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The production capacity of raymond roller mill

Posted last December 15, 2013, 8:50 pm in Services report article

Major factors affecting the capacity of a roller mill include desired fineness, grindability and initial moisture. The capacity of the mill decreases when product fineness increases. The harder a material is to grind, the lower the capacity of the mill. High initial moisture may also decrease mill capacity because of limitations on the drying capacity of the mill. The roller mill, when equipped with a variable speed mill drive, can be used in applications requiring adjustable capacity. This allows the user to match product rate with downstream process requirements, thereby reducing the operating and maintenance problems associated with frequent starts.

The roller mills is an air swept vertical ring-roll mill with an integral classification system. A vertical shaft rotates a “spider” assembly of arms from which are suspended free swinging journal assemblies with rolls attached. As the unit turns, centrifugal force drives the rolls against the inner surface of the vertical grinding ring. Plows rotating with the assembly, lift feed material from the mill bottom and direct it between the rolls and the grinding ring where it is pulverized. Ball mill has changed the original mill structure, its body and ground plank are an integral whole, when installing they can be put on the basic level together. The main shaft adopts double-raw spherical roller bearing which can reduce energy consumption by 30%, enhance particle size, increase handling capacity by 15-20%

Air enters from below the grinding rings and flows upward, carrying fines to the classifying section. The classifier sizes the pulverized material and returns oversized particles to the grinding chamber for further processing. The mill operates under negative pressure conditions, minimizing mill maintenance and plant housekeeping problems, while maximizing the service life of major mechanical components. The ballmilliswidely applied in mineral classification, cement, glass, ceramic, chemical industry and so on. It can gind all kinds of rocks and grindable materials.There are two ways of grinding.

 

milling equipment: http://www.sell-mill.com/