Bulk Weighing and Sampling Techniques in mineral processing
Bulk Weighing Techniques In mineralprocessing plant , Several types of systems are currently in use to determine the weight of bulk commodities shipped or received: _ Truck scales _ Railroad track scales _ Rotary dumper scales _ Hopper scales _ Belt conveyor scales _ Vessel drafting Unlike static weighing devices, such as track scales and hopper scales, a belt conveyor scale is a dynamic weighing device requiring time integration. The material weight in kilograms per meter (or pounds per foot) is integrated with belt travel over a period of time. A belt scale is capable of accurate weighing (down to as low as 0.25% of the scale rating) and is the least expensive of the scale devices listed above. For a more detailed description of bulk solids weighing systems, the published literature should be consulted. An important point to keep in mind is that a weighing system is not simply a scale. A scale is a manufactured piece of equipment, normally statically tes...