Grinding mill is a unit operation designed to break a solid material into smaller pieces. It is widely used in cement, silicate products, new building materials, refractory, fertilizer, non-ferrous metal ore dressing production industries for grinding dry or wet grinding. Then what is difference between wet & dry grinding mills?
Dry grinding mill outlet is cylindrical-shaped, blower unit. Wet grinding mill outlet is trumpet-shaped, built-in screw device to facilitate discharge. In the case of using a grinding mill to crush quartz to extract gold the operation would be “wet” in order to wash the material through the cylinder. A dry grinding mill is used to grind hard material where water cannot be used or where a slurry might be added to the mill and heated air used to dry the slurry during the grinding process.
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