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Ball mill grinding process
Ball mill is widely used in cement, silicate product, new building materials, refractory materials, fertilizer, ferrous and non-ferrous metal ores and glass, ceramics and other manufacturing industries. All kinds of ores and other grind-able materials can be dry or wet powder grinding. Ball mill is the most important equipment in the aerated concrete and raw material preparation for lime, gypsum, slag and other materials grinding.
For mineral processing, the use of one or two stage grinding the ore can be economically to any size needed dressing.
One stage grinding process of the main advantages are: less equipment, low investment, simple operation. One grinding segment stopped does not affect the other sections of the grinding work, less downtime losses. When the final product of the maximum particle size of 0.2 - 0.15mm (ie 60% - 79% -200 mesh), generally using a grinding process. Small factories in order to simplify the process and device configuration, when the grinding fineness requirement of 80% -200 mesh, can also be used a grinding process.
Outstanding advantages of two stages grinding are to get smaller products and conduct coarse grinding and fine grinding in different sections. In large and medium-sized factories, when asked grinding fineness is less than 0.15mm (ie 80% -200 mesh), the more economical use of two stages grinding, and the product composition of uniform size, too small crush phenomenon.
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