FIELD: concentration of minerals. SUBSTANCE: mill includes loading and unloading branch pipes and drum with end plates and unloading grid. Length and diameter of loading branch pipe is equal respectively to 0.15-0.3 and 0.3-0.5 of diameter of drum. Inner surface of end plate is biconical in form and is provided with lining. Unloading grid consists of sectors; area of each sector is perforated in form of stepped figure and is secured by means of wedge-shaped guards. Pulp raisers are mounted after grid. On the outside drum is provided with bearing shrouds resting against roller supports and pulley of V-belt drive. Drive is mounted above mill on individual bed frame. EFFECT: enhanced reliability and efficiency; facilitated procedure; increased productivity. 8 dwg
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RU2271251C1 |
