... parameters are in accord with JB3926-85 vertical bucket elevator standard which made on the base of the ... coal, cement, block, sand, clay and ore. Bucket elevator is allowed to convey materials with high temperature when armed ... 122.243.04.61.953.553.755.8Hopper speed,m/s1.41.41.61.6Drum Speed,r/min67676161TypeTD400TD500TD630Hopper ... .09.314.9-1414.623.5Hopper speed,m/s1.81.82.0Drum Speed,r/min555548