LOW-RANK COAL PROCESSING APPARATUS AND METHOD
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United States of America Patent
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Nov 21, 2013
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Nov 25, 2011
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Nov 25, 2010
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Abstract
An apparatus for the simultaneous drying and transport of low-rank coal is described. The apparatus has a first pipe having an inner wall surface surroundingly defining a first flow channel and an outer wall surface; a low-rank coal supply system to supply particulate low-rank coal to an inlet of the first flow channel; a transport gas supply to supply transport gas to an inlet of the first flow channel; a heating apparatus to apply heat to an outer wall surface of the first pipe along at least part of the length thereof for example in the form of a drying fluid supply to supply a drying fluid, configured such that a drying fluid is brought into contact with the outer wall surface of the first pipe along at least part of the length thereof. A system of design of thermal power plant incorporating such an apparatus is also described. A method for the simultaneous drying and transport of low-rank coal is also described. A system and method for supplying dried low-rank coal for combustion are also described.
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