Rotary tubular kiln for the production of activated carbon

Details Rotary tubular kiln for the production of activated carbon Rotary tubular kiln for the production of activated carbon

2007-02-06

2007-02-06

Wilson, Gregory (Department: 3749)

Heating

Tumbler-type rotary - drum furnace

Having structure agitating or controlling the motion of the...

C241S181000

Reexamination Certificate

active

11176032

ABSTRACT:
The present invention relates to a rotary tube (1), in particular for a rotary tubular kiln for the production of activated carbon, said rotary tube (1) having a plurality of mixing elements (3), in particular metal turning plates, said mixing elements (3) being arranged in the interior (2) of the rotary tube (1) for circulating and/or mixing the charge material (4). The rotary tube (1) has apertures (5) for receiving securing sections (6) of the mixing elements (3), the securing sections (6) being welded to the outer side of the rotary tube (1). This prevents the welding location being exposed to the aggressive conditions in the interior (2) of the rotary tube (1) in the operating state during production of activated carbon, and it is readily possible for the welding location to be inspected from the outside, and for maintenance and repair to be carried out as necessary.

REFERENCES:
patent: 1920677 (1933-08-01), Burke
patent: 2939693 (1960-06-01), Old et al.
patent: 3802634 (1974-04-01), Mix
patent: 4569659 (1986-02-01), Olsen et al.
patent: 4668183 (1987-05-01), Patterson
patent: 5040973 (1991-08-01), Matter et al.
patent: 5752665 (1998-05-01), Wason
patent: 6705859 (2004-03-01), McCarty
patent: WO 01/83368 (2001-11-01), None

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