Treatment of particulate materials

Details Treatment of particulate materials Treatment of particulate materials

A - Human Necessities

24

B

34/10, 131/87

A24B 3/04 (2006.01) B01F 13/02 (2006.01) B01J 8/00 (2006.01) B01J 8/18 (2006.01) B01J 8/24 (2006.01) F26B 3/08 (2006.01) F26B 3/092 (2006.01) F26B 3/10 (2006.01) F26B 17/10 (2006.01)

Patent

CA 1272096

"Improvements Relating to the Treatment of Particulate Materials" A B S T R A C T Mobilisation apparatus for the treatment, drying for example, of particulate material comprises a mobilisation zone bounded by upwardly divergent walls. Particulate material in the zone is mobilised by being subjected to a flow of gaseous mobilising medium supplied at a multiplicity of sites of the divergent walls. The material is simultaneously subjected to a flow of gaseous accelerating medium supplied in an upward direction from a lower region of the mobilisation zone. There obtains in the mobilisation zone a circulatory pattern comprising downward flow at the divergent walls and upward flow from a lower region of the zone. In order to discharge the particulate material from the apparatus, mask means extending outwardly from the lower end of an upwardly extending discharge duct is brought to the upper end of the mobilisation zone. The result is that the circulatory pattern is destroyed and the material is pneumatically transported up the discharge duct.

524575

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