烧结过程余热资源回收利用技术进步与展望

doi:10.13228/j.boyuan.issn0449-749x.20130652

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摘要烧结过程余热回收与利用是降低烧结工序能耗的主要手段之一。概述了国内外烧结余热回收与利用技术发展状况，指出了中国烧结余热回收利用中存在的不足。从工艺流程、技术特点的角度重点阐述了烧结矿余热竖罐式回收发电工艺和烧结过程余热资源分级回收与梯级利用技术；给出了烧结烟气余热回收与脱硫脱硝一体化工艺的基本思路。提出应积极推广烧结过程余热资源分级回收与梯级利用技术，加快开发烧结矿余热竖罐式回收发电工艺，深入倡导烧结烟气余热回收与脱硫脱硝一体化的理念，为中国烧结工序的节能减排奠定技术基础。

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	董辉
	王爱华
	张琦
	冯军胜
	蔡九菊

关键词 ：烧结余热, 发电, 竖罐式回收, 分级回收, 梯级利用

Abstract：The waste heat recovery and utilization in sintering process is one of the means to decrease the energy consumption in sintering process. The current situations of waste heat recovery and utilization in sintering process at home and abroad are summarized, and the shortage existing in China is indicated. The power generation process of waste heat recovery and utilization for sinter in vertical tank and grade recovery and cascade utilization of waste heat from sintering process and are expounded emphatically from the perspective of process flow and technical features. The basic idea of the integrated process of waste heat recovery and desulfurization and denitration from sintering exhaust gas is given. It is pointed out that grade recovery and cascade utilization technology of waste heat from sintering process should be promoted actively, power generation process of waste heat recovery and utilization for sinter in vertical tank should be developed rapidly, and the concept of the integrated process of waste heat recovery and desulfurization and denitration from sintering exhaust gas should be deeply advocated so as to lay a technical foundation for China’s energy saving and emission reduction in sintering process.

收稿日期: 2013-11-22 出版日期: 2014-09-10

引用本文:

董辉，王爱华，冯军胜，张琦，蔡九菊. 烧结过程余热资源回收利用技术进步与展望[J]. 钢铁, 2014, 49(9): 1-9. DONG Hui, WANG Ai-hua, FENG Jun-sheng, ZHANG Qi, CAI Jiu-ju. Progress and Prospect in Sintering Waste Heat Resource Recovery and Utilization Technology. Iron and Steel, 2014, 49(9): 1-9.

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http://www.chinamet.cn/Jweb_gt/CN/10.13228/j.boyuan.issn0449-749x.20130652 或 http://www.chinamet.cn/Jweb_gt/CN/Y2014/V49/I9/1

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