Milling and drying apparatus incorporating a cyclone

Details Milling and drying apparatus incorporating a cyclone Milling and drying apparatus incorporating a cyclone

2006-02-07

2006-02-07

Lu, Jiping (Department: 3749)

Drying and gas or vapor contact with solids

Apparatus

With fluid current conveying of treated material

C034S589000, C034S591000, C432S015000, C432S058000, C432S106000

Reexamination Certificate

active

06993857

ABSTRACT:
A cyclone which includes an upper cylindrical portion opening into the wider end of a lower frustro-conical portion, with a primary air inlet such that the inlet air is substantially tangential to the circumference of the cyclone, and an exhaust outlet at or adjacent the top of the cylindrical portion; a control valve is associated with the exhaust outlet and can be used to partially or completely shut off the outlet; a secondary air inlet is associated with the narrow end of the frustro-conical portion and is provided with an air flow stabilising device adapted to admit a stream of air substantially along the longitudinal axis of the cyclone; also including means for withdrawing processed product from the frustro-conical portion.

REFERENCES:
patent: 2717695 (1955-09-01), Martin
patent: 4414112 (1983-11-01), Simpson et al.
patent: 4431405 (1984-02-01), Eatherton
patent: 4789476 (1988-12-01), Schulz
patent: 4992043 (1991-02-01), Lockwood, Jr.
patent: 6206202 (2001-03-01), Galk et al.
patent: WO 85/01454 (1985-04-01), None

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