Apparatus for drying and heating coal to be charged to coke oven

Details Apparatus for drying and heating coal to be charged to coke oven Apparatus for drying and heating coal to be charged to coke oven

1995-10-05

1998-02-24

Bennett, Henry A.

Drying and gas or vapor contact with solids

Process

With fluid current conveying or suspension of treated material

F26B 308

Patent

active

057201161

ABSTRACT:
In a sloped tower type airborne drying and heating apparatus, a bulge or a neck is provided at at least one location in the inner wall of a sloped pipe for the purpose of reducing in a range of 3 to 50% the cross-section of a flow path in the pipe. Coal charged into the pipe is smoothly conveyed through the sloped pipe without dwelling in the lower portion of the pipe cross-section and thus effectively dried and heated.

REFERENCES:
patent: 2819890 (1958-01-01), Rosa et al.
patent: 4010551 (1977-03-01), Rohde
patent: 4241513 (1980-12-01), Rohde
patent: 4604165 (1986-08-01), Calderon
patent: 4720262 (1988-01-01), Durr et al.
patent: 4762148 (1988-08-01), Marui et al.
patent: 5176489 (1993-01-01), Schroter

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