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石横特钢烧结烟气循环工艺技术的应用与实践

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石横特钢3#烧结机通过研究烧结烟气循环技术,开发了烧结机烟气循环内循环工艺,将烧结机生产过程中产生的热废气内循环工艺回收利用.经过实践应用,实现了烧结机外排的烟气量降低8%-10%,每年热废气减排2.9亿m3,烧结固体燃料消耗降低2.5 kg/t,节约固体燃料6 500余t,每年减少污染物排放颗粒物48 t、二氧化硫183 t、氮氧化物281 t,烧结矿实现综合成本降低2.76元/t.
Application of Sintering Flue Gas Circulation Technology at the Ironmaking Plant of Shiheng Special Steel
In the Shiheng Special Steel's No.3 sintering machine,an internal recycling process for sintering gas circulation has been developed by studying the technology of sintering gas circulation.The hot waste gas generated in the sintering machine production process is recycled.After more than two years of application,the exhaust gas of the sintering machine is reduced by 8%-10%,the annual hot exhaust gas is reduced by 290 million m3,the sintered solid fuel consumption is reduced by 2.5 kg/t,the annual saving of solid fuel is more than 6,500 t,and the annual emission of pollutants is reduced by about 19,055 tons of carbon dioxide,60 tons of sulfur dioxide and 40 tons of nitrogen oxides.A comprehensive sinter cost reduction of 2.76 Yuan/t was achieved.

sintering machinesmoke volumesolid fuelpollutant

孙东、郭建、白冰冰

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石横特钢集团有限公司炼铁厂,山东 肥城 271612

烧结机 烟气量 固体燃料 污染物

2024

山东冶金
山东金属学会

山东冶金

影响因子:0.176
ISSN:1004-4620
年,卷(期):2024.46(5)