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关于首钢球团120万t生产线降低氮氧化物的实践应用

Practice of Nitrogen Oxides Reduction in Shougang 1.2 MTPA Pelletizing Production Line
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摘要 介绍了首钢股份有限公司炼铁作业部球团作业区一系列120万t/a球团生产线控制氮氧化物的操作控制和技术应用的基本情况。对如何提升链篦机-回转窑氧化球生产过程中氮氧化物控制能力进行了论述,对低温SCR脱硝系统日常出现的问题进行研究分析,针对氮氧化物外排控制需求,对首钢球团一系列生产线及现有的低温SCR脱硝工艺基础上进行一系列适应性升级改造,实施后达到了预期的效果。 The basic situation of a series of nitrogen oxide operation control and technical application for 1.2 MTPA pelletizing production line in the pelletizing operation area of Shougang iron-making department is introduced. This paper discusses how to improve the nitrogen oxide control ability in the traveling grate-rotary kiln oxidized pellets production process, and studies and analyzes the daily problems of the low-temperature SCR denitration system. In view of the demand for nitrogen oxide emission control, a series of adaptive upgrades have been carried out based on Shougang’s pelletizing production line and the existing low-temperature SCR denitration process, and the expected results have been achieved after implementation.
作者 李海铭 赵万江 杨金保 沈国良 LI Haiming;ZHAO Wanjiang;YANG Jinbao;SHEN Guoliang(Iron-making department of Beijing Shougang Co.,Ltd.,Qian′an 064404,China)
出处 《矿业工程》 CAS 2022年第5期56-60,共5页 Mining Engineering
关键词 氮氧化物 控制 脱硝 改造 nitrogen oxides control denitrification upgrades
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