FIELD: heat treatment of sinter cakes in several zones of reactor, shaft furnace in particular. SUBSTANCE: proposed method includes delivery of hot gaseous mixture in way of motion of sinter cake; this mixture is ignited in combustion zone and is evacuated from reactor in form of waste gas. Device proposed for realization of this method is provided with gas evacuating unit for exhaust of waste gas. Proposed method may be used for annealing particles containing ferric oxide. EFFECT: enhanced efficiency. 36 cl, 3 dwg
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Authors
Dates
2003-12-10—Published
1999-04-13—Filed