Continuous cross-flow rotary kiln

Details Continuous cross-flow rotary kiln Continuous cross-flow rotary kiln

1998-05-01

1999-06-01

Walberg, Teresa

Heating

Tumbler-type rotary - drum furnace

Having combustion products generated in or fed to drum

432103, 432105, 432112, 432117, 34131, 34132, F27B 708, F27B 710

Patent

active

059082917

ABSTRACT:
A direct heat rotary calciner and method for providing improved thermal treatment of particulate material comprises a rotary tube having a plurality of screened apertures along the length thereof. Material to be treated is passed through the rotating tube and contacted during passage with a cross-flow of heated gases entering and leaving through the screened apertures. At least a portion of the internal wall of the tube may be provided with spiral flights to aid in the conveyance of the particulate material through the rotating tube.

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patent: 5152233 (1992-10-01), Spisak
patent: 5566469 (1996-10-01), Bolton et al.

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