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首页> 外文期刊>ISIJ international >Flue Gas Circulating Sintering Based on Biomass Fuel on Reduction of NO_x and SO_2 Emission
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Flue Gas Circulating Sintering Based on Biomass Fuel on Reduction of NO_x and SO_2 Emission

机译：基于生物质燃料的烟气循环烧结，减少NO_X和SO_2排放

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摘要

In order to reduce the emission concentration of sintered flue gas pollutants, the source control technology and process control technology of iron ore sintering were adopted to reduce the emission concentration of flue gas pollutants. In this paper, the experiments of flue gas circulating sintering pot with charcoal instead of partial coke was carried out. The effects of O_2 content, temperature, SO_2 content and NO_x content in circulating flue gas on sinter properties and emission concentration of flue gas pollutants were studied. The experimental results show that the suitable oxygen content in flue gas was 14.9%, and the maximum suitable concentration of SO_2 was 500 ppm based on charcoal instead of 40% coke circulating flue gas sintering. The NO_x had little effect on the sintering performance index. Under the conditions of flue gas temperature of 200°C and CO content of 0.85%, the content of charcoal instead of coke was increased from 40% to 50%. The emission reduction of sintering flue gas pollutants SO_2 and NO_x was more than 42.6% and 65.8%, respectively. The comprehensive utilization of sintering flue gas waste heat and the cooperative control of sintering flue gas pollutants were realized.
机译：为了降低烧结烟气污染物的排放浓度，采用了铁矿石烧结的源控制技术和过程控制技术来降低烟道气污染物的排放浓度。在本文中，进行了用木炭循环烧结锅的烟气代替部分焦炭的试验。研究了O_2含量，温度，SO_2含量和NO_X含量在循环烟气性质和烟道气污染物排放浓度中的影响。实验结果表明，烟道气中的合适氧含量为14.9％，基于木炭代替40％焦炭循环烟道气烧结，SO_2的最大合适浓度为500ppm。 NO_X对烧结性能指数几乎没有影响。在烟道气温度为200℃和含量为0.85％的条件下，木炭代替焦炭的含量从40％增加到50％。烧结烟道气污染物SO_2和NO_X的排放减少分别超过42.6％和65.8％。实现了烧结烟气废热和烧结烟气污染物的合作控制的综合利用。

著录项

  • 来源
    《ISIJ international》 |2020年第8期|1633-1640|共8页
  • 作者

    Yue KANG; Chao LIU; Yu-zhu ZHANG; Hong-wei XING; Kai ZHAO;

  • 作者单位

    College of Metallurgy and Energy North China University of Science and Technology Tangshan 063009 China;

    College of Metallurgy and Energy North China University of Science and Technology Tangshan 063009 China;

    College of Metallurgy and Energy North China University of Science and Technology Tangshan 063009 China;

    College of Metallurgy and Energy North China University of Science and Technology Tangshan 063009 China;

    College of Metallurgy and Energy North China University of Science and Technology Tangshan 063009 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    flue gas circulating sintering; biomass fuel; flue gas pollutants; sinter properties; energy-saving and emission-reduction;

    机译：烟气循环烧结;生物质燃料;烟气污染物;烧结特性;节能和减排;

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