Horizontal dryer having a screw conveyor and ring electrical hea

Details Horizontal dryer having a screw conveyor and ring electrical hea Horizontal dryer having a screw conveyor and ring electrical hea

1995-04-28

1996-07-02

Kwon, John T.

Drying and gas or vapor contact with solids

Apparatus

Stationary receptacle or tube with agitator or conveyor

34182, 219388, F26B 1112

Patent

active

055310346

ABSTRACT:
A continuous dryer for minerals and ores which employs a single horizontal screw conveyor in a cylindrical drying chamber with a plurality of external electrical heating elements surrounding the drying chamber. The screw conveyor has cut and folded flights which extend to within less than about one quarter inch from the inside wall of the drying chamber. The heating elements have integral mineral insulation, completely surround the drying chamber, and are in intimate contact with the chamber outer wall.

REFERENCES:
patent: 3217427 (1965-11-01), Wright
patent: 4430057 (1984-02-01), Hoover et al.
patent: 4453319 (1984-06-01), Morris
patent: 5016566 (1991-05-01), Levchenko et al.
patent: 5253266 (1993-10-01), Knodle, III et al.

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