Dryer, drying method and drying plant

Drying and gas or vapor contact with solids – Apparatus – Gravity flow type

Reexamination Certificate

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Details

C034S167000, C034S168000, C034S169000, C034S171000, C034S178000

Reexamination Certificate

active

07992319

ABSTRACT:
The invention provides a dryer for drying particulate material, comprising at least one substantially vertical elongate container having: an upper inlet for receiving a charge of moisture containing particulate material; a lower outlet for discharging dried particulate material, whereby the particulate material travels under the influence of gravity from the inlet to the outlet; at least one substantially vertical gas permeable wall through which a drying gas can pass to contact the particulate material; the dryer also comprising at least one plenum on an exterior surface of the at least one gas permeable wall, covering ingress and egress openings within the at least one gas permeable wall.

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Wilson, David et al.The Coldry Process. AIE 7thAustralian Coal Science Conference, Dec. 1996.
Pp. 320-329 in book Brown Coal by H. Herman published in 1952 by The State Electricity Commission of Victoria.

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