dry grid ball mill is named relative to wet type ball mill.dry type ball mill mainly used in construction, chemical industry for powder making.It is an important machine in industrial grinding plant.Tt is a key equipment to grind the crushed materials, and widely used in powder-making production line including cement, silicate, new-type building material, refractory material, fertilizer, ore dressing of ferrous metal and non-ferrous metal, glass and ceramics and etc.