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COKE OVEN FLUE GAS DESULFURIZATION AND DENITRIFICATION COMBINED PURIFICATION PROCESS AND APPARATUS
COKE OVEN FLUE GAS DESULFURIZATION AND DENITRIFICATION COMBINED PURIFICATION PROCESS AND APPARATUS
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机译:焦炉烟气脱硫脱硝联合纯化工艺及装置
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摘要
A coke oven flue gas desulfurization and denitrification combined purification process and apparatus. The process comprises the following steps: desulfurizing coke oven flue gas at low temperature drop by means of a rotating spray semi-dry method in a desulfurization system; filtering particles in a dust removal manner in a dust removal and denitrification system, and denitrating the coke oven flue gas desulfurized at the low temperature drop and filtered in the dust removal manner in a dust removal and denitrification integrated device (3a) by using a selective catalytic reduction method; and returning the denitrated flue gas to a coke oven flue (6), and discharging the flue gas by means of a coke oven chimney (7). The apparatus comprises: an induced draught system, a desulfurization system, and a dust removal and denitrification system.
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