Overcoming Poor Flow and Segregation with Dolomite Martin Marietta Magnesia Specialties, Inc. - Manistee, Michigan The Need Engineers at Martin Marietta Magnesia Specialties, Inc. were in the process of designing two steel silos to handle dolomite lime, at the Manistee, Michigan plant. Each silo was to be 21 ft. in diameter by approximately 56 ft. tall with a 30° from vertical cone converging to a 2 ft. diameter outlet. Below the outlet, a round-to-square transition with a slide gate opened onto a vibratory pan feeder/conveyor. We were asked to evaluate the proposed design to determine whether mass flow would be achieved, which was required in order to minimize segregation and ensure reliable flow. We received representative samples of dolomite lime from Martin Marietta, and performed

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