Production control of SO3 in flue gas of oxygen enriched bottom-blown furnace
The mechanism of SO3 generation in the flue gas of bottom-blown furnace smelting in a copper smelter is introduced.By analyzing the influence of copper concentrate moisture,copper concentrate sulphur-copper ratio,oxygen content in the flue gas and other factors on the concentration of SO3 in the flue gas,corresponding control measures are put forward,and at the same time,the bottom-blown furnace,the waste heat boiler and other key equipments are reformed,so as to achieve the purpose of precisely controlling the concentration of SO3 in the flue gas.
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