The Raymond Mill is used to grind materials in the fields of building materials, mining, metallurgy and chemical industry, and the materials must be non-flammable and non-explosive materials, such as limestone, calcite, barite, dolomite, potassium feldspar, marble, talcum, gypsum, kaoline, medical stone, rock phosphate, manganese ore, glass, ceramic, active carbon, carbon black, fireproof materials, heat preservation materials, chemical materials and so on(300 kinds of materials), the materials should have the hardness less than 7 in Moh’s scale and the humidity less than 6 percent. The granularity of the end products can be adjusted from 30 to 325 meshes.
Woking Principle of Raymond Mill
After the materials enter the grinding chamber of the main machine, the grinding roller swings outward and presses closely upon the grinding ring due to the centrifugal force generated by the rotation of the main shaft. The blade carries materials to the space between the grinding roller and grinding ring, and the materials are ground as the grinding roller rolls. After being grinded, the powder will selected by classifier via the cycle wind of the blower, and the rough powder will be bake to the grinding chamber for regrinding, the qualified powder will brought into the powder collector together with airflow, and the powder comes out as the end product while the airflow goes back to the powder collector in cycling to make the machine work normally, the remained airflow comes out after purification by dust filter.
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