Technical characteristics and application effectsof cyclone type top combustion hot blast stove
This paper introduces the technics design situation of the second generation cyclone type top combustion hot blast stove of Hebei Iron and Steel Laoting three 2922m3 blast furnace project，and ex⁃pounds the technical characteristics and application effects. This hot blast stove integrates many key technologies such as the second generation cyclone type top combustion hot blast stove burner, the four-stage hot blast stove structure, the segmented structure of hot blast pipe, high efficiency checker brick, and furnace grill with multiple hole types, which has met the air supply temperature required by 2922m3 blast furnace, the emission concentration of NOx in waste flue gas of hot blast stove reaches 100mg/m3. The production practice after the blast furnace is put into operation shows that using technologies of the second generation cyclone type top combustion hot stove is an effective way to achieve high hot blast tem⁃perature, hot blast stove long life, energy saving and environmental protection in blast furnace production.
hot blast stoveburnerfour-stage hot blast stove structuresegmented structureenergy saving and environmental protection
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