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Bulk material handling is an engineering field that is centered on the design of equipment used for the handling of dry materials. Bulk materials are those dry materials which are powdery, granular or lumpy in nature, and are stored in heaps. [1] Examples of bulk materials are minerals, ores, coal, cereals, woodchips, sand, gravel, clay, cement ...
They are used in many bulk handling industries. Screw conveyors in modern industry are often used horizontally or at a slight incline as an efficient way to move semi-solid materials, including food waste, wood chips, aggregates, cereal grains, animal feed, boiler ash, meat, bone meal, municipal solid waste, and many others.
A conveyor system is often the lifeline to a company's ability to effectively move its product in a timely fashion. The steps that a company can take to ensure that it performs at peak capacity, include regular inspections and system audits, close monitoring of motors and reducers, keeping key parts in stock, and proper training of personnel.
By the end of the 19th century, Heyl & Patterson had set the industry standard for engineering and manufacturing bulk material handling equipment, such as coal tipples, coal preparation plants, pig iron casting machines and various coal cleaning and handling devices. The company was originally composed of contracting engineers, fabricators and ...
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Till the 1970s such equipment mainly used mechanical systems and cables for power transmission after which they started to be replaced by hydraulic drive system for small machines. However, mechanical and cable drives are still dominant in large machines. A similar development took place in the development of underground machinery.
A reclaimer's function is to recover bulk material such as ores and cereals from a stockpile. A stacker is used to stack the material. Reclaimers are volumetric machines and are rated in m 3 /h (cubic meters per hour) for capacity, which is often converted to t/h (tonnes per hour) based on the average bulk density of the material being ...
Bulk material handling. Belt feeders are typically used for handling fairly light, fine, abrasive, free flowing materials. Feeder units are typically placed under storage facilities such as silos, surge hoppers or load hoppers, and may be operated either horizontally or on an incline to save headroom. For such applications, belt width is ...
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