F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
39/44
F27B 9/06 (2006.01) F27B 21/00 (2006.01) F27B 21/06 (2006.01)
Patent
CA 1052998
ABSTRACT OF THE DISCLOSURE This invention relates to the heat induration of formed bodies of ore such as green iron ore pellets on a travelling grate and more particularly to an improved, simplified combustion chamber construction. In particular the present invention provides in a pelletizing apparatus of the travelling grate type for heat indurating compacted ore bodies, comprising a drying zone, a firing zone and a cooling zone, an improved combustion means comprising: at least one vertically extending chamber adjacent the firing zone, said chamber communicating proximate its lower end with the firing zone, fuel injection means vertically oriented in the upper end of said chamber and means for introducing recuperated air from the cooling zone into the upper end of said chamber.
237931
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