Plant and method for thermal treatment of solids

The invention is directed to a method and its related plant for the thermal treatment of iron containing oxide, in which fine-grained solids are heated in a preheating calcining stage and are exposedto a reduction gas in a subsequent reduction stage. Off-gas from the reduction stage is guided through a separation device wherein the water originating from the reduction stage is separated. The off-gas from the preheating calcining stage is guided through a venturi scrubber and a packed bed section downstream of the venturi scrubber to condense water vapor. 本发明涉及一种用于热处理含铁氧化物的方法及其相关的设备，其中在预热煅烧阶段中加热细粒固体，并在随后的还原阶段中暴露于还原气体。将来自还原阶段的排气引导通过分离装置，其中将源自于还原阶段的水分离。将来自预热煅烧阶段的排气引导通过文丘里洗涤器和文丘里洗涤器下游的填充床段，以使水蒸气冷凝。