Apparatus for destructive distillation of cellulosic materials

Heating – With means diluting – purifying or burning exhaust gases

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Details

110243, 122 55A, 432 58, F23J 500, F23J 700

Patent

active

042330246

ABSTRACT:
An apparatus is disclosed for generating combustible gas from cellulosic fiber material. A gas production chamber contains an inclined support chute having a grate perforated with alternately angled ports for admission of a controlled amount of air through the grate portion for performing first a lifting function and then a propelling function on cellulosic material entering at the top and undergoing progressive destructive to form combustible gases in the chamber. The chamber atmosphere has an oxygen content insufficient for complete combustion. The combustible gases are withdrawn, additional secondary air is blended in the gas, and complete combustion of the blend is effected in a combustion chamber. The heated gases formed are then forced by a recirculation blower to a point of use, such as the interior atmosphere of a lumber drying kiln.

REFERENCES:
patent: 1948173 (1934-02-01), Hagan
patent: 3823677 (1974-07-01), Polsak
patent: 3863359 (1975-02-01), Grega
patent: 3977947 (1976-08-01), Pyle
patent: 4030895 (1977-06-01), Caughey
patent: 4095958 (1978-06-01), Caughey

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