F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
39/11
F27B 3/06 (2006.01)
Patent
CA 1114603
ABSTRACT OF THE DISCLOSURE Method and apparatus for feeling an oxidant such as air and/or a fuel rich gas within the confines of a substantially air tight enclosure employed in the heat treatment of volatile containing materials which are deposited on the floor of a rotary hearth mounted within the enclosure The oxidant is admitted into the furnace enclosure through concentrically arranged rows of inlet openings formed in the roof of the enclosure. The oxidant mixes in the upper portion of the enclosure with the volatiles evolved from the materials and combusts therewith and following combustion of the said oxidant and released volatiles the waste gases of com- bustion are caused to travel radially outwardly to a peripherally mounted exhaust manifold whereas the materials undergoing heat treatment or the hearth are gradually advanced from the point of entry thereof to a centrally located discharge outlet. Means are provided in the exhaust manifold to cause said oxidant and waste gases of combustion to travel in a line of direction outwardly of the enclosure and into the said exhaust manifold. Thus, the direction of flow of the oxidant and waste gases of combustion within the enclosure is counter-current to the direction of travel of the materials undergoing treatment on the hearth.
319186
Ridout & Maybee Llp
Techint Technologies Inc.
LandOfFree
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