Gas and solid particulate material heat exchanger

Details Gas and solid particulate material heat exchanger Gas and solid particulate material heat exchanger

F - Mech Eng,Light,Heat,Weapons

27

D

257/2

F27D 15/02 (2006.01) F26B 17/12 (2006.01)

Patent

CA 1273004

ABSTRACT OF DISCLOSURE A gas-solids heat/exchanger apparatus particularly designed for cooling the particulate material such as calcined limestone or cement clinker, but may also be used as a dryer and/or material heater. The apparatus includes a casing having an upper particulate material inlet and a lower particulate material outlet. Upper and lower grates extend on an angle or a slant from the inlet to the outlet for holding a bed of material. Gas is supplied to an inlet plenum chamber on one side of the lower grate for passage through the grates and the bed of material to an outlet plenum chamber. The lower grate is perforated to permit gas to pass therethrough while supporting the bed of material. The upper grate includes a plurality of spaced apart, vertically oriented. perforated slats. Various parameters or gas flow rates, pressure drops and positioning of the upper grate slats are disclosed.

518870

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