Batch weighers, fitted with a rapid-discharge slide or a discharge chain conveyor, were designed to receive large components and carrier materials, both powders and granulated components, and to weigh these quickly and accurately. Combining the batch weigher with a discharge bunker underneath can considerably reduce the batch time, as the next batch can be dosed immediately after discharge of the weigher via the rapid-discharge slide. A dosing installation is usually fitted under several silo cells. The components are dosed one after the other into the weigher via dosing equipment, such as screw feeders, grid-slide feeders or rotary discharge equipment.
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