Heating – Tumbler-type rotary - drum furnace
Patent
1996-03-04
1998-02-10
Bennett, Henry A.
Heating
Tumbler-type rotary - drum furnace
432105, 432107, 432114, F27B 710
Patent
active
057162050
ABSTRACT:
A heating chamber for solid material, preferably a low-temperature carbonization drum for waste, is rotatable about its longitudinal axis and is equipped with a number of heating tubes that are disposed in an interior space and are aligned approximately parallel to one another. In order to ensure that only fine material can collect between the heating tubes and the inner wall surface of the heating chamber, the heating tubes, as viewed in cross-section, are disposed in a virtually closed row along the wall. Dummy tubes which are preferably easy to remove and preferably have the same diameter as the heating tubes, are located in this row, which may be circular.
REFERENCES:
patent: 3975002 (1976-08-01), Mendenhall
patent: 5154648 (1992-10-01), Buckshaw
Bennett Henry A.
Greenberg Laurence A.
Lerner Herbert L.
Siemens Aktiengesellschaft
Wilson Gregory
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