Research trends and recent advances of oxy-fuel combustion of solid fuels in fluidized beds

doi:10.11949/0438-1157.20190701

Abstract

Abstract:

Carbon dioxide capture and utilization is a hot spot in the global academic and industrial circles, as well as a frontier and difficulty in the field of combustion science and technology. Oxy-fuel combustion of solid fuels in fluidized beds, which combines many advantages of both fluidized bed combustion and oxy-fuel combustion, is widely recognized as one of the most promising carbon capture technologies in combustion for industrial applications. To fully grasp the latest developments in this field, the research on oxy-fuel combustion in fluidized beds in recent years was reviewed systematically. Based on a brief description of the basic technical principles of oxy-fuel combustion, the research trends were analyzed, and the recent advances were summarized, including single fuel oxy-fuel combustion in fluidized beds, mixed fuels oxy-fuel combustion in fluidized beds, pressurized fluidized bed oxy-fuel combustion and new fluidized bed oxy-fuel combustion. Finally, the future development trend and research focus for oxy-fuel combustion of solid fuels in fluidized beds were discussed.

Key words: fluidized bed, oxy-fuel combustion, CO₂ capture, multiphase reaction, solid fuel combustion

摘要：

二氧化碳捕集与利用是全球学术界和工业界关注的热点，也是燃烧科学技术领域的前沿和难点。固体燃料的流化床富氧燃烧耦合了流化床燃烧和富氧燃烧的诸多优点，是最具工业应用前景的燃烧中碳捕集技术之一。为更全面把握该领域最新动态，对近年来流化床富氧燃烧的研究进行了系统梳理，在简述富氧燃烧基本技术原理基础上，分析了国内外的研究动态，总结了主要研究进展，包括单一燃料流化床富氧燃烧、混合燃料流化床富氧燃烧、加压流化床富氧燃烧和新型流化床富氧燃烧，并探讨了固体燃料流化床富氧燃烧技术将来发展趋势和研究重点。

关键词: 流化床, 富氧燃烧, 二氧化碳捕集, 多相反应, 固体燃料燃烧

CLC Number:

TK 16

Qinwen LIU,Wenqi ZHONG,Yingjuan SHAO,Aibing Yu. Research trends and recent advances of oxy-fuel combustion of solid fuels in fluidized beds[J]. CIESC Journal, 2019, 70(10): 3791-3807.

刘沁雯,钟文琪,邵应娟. 固体燃料流化床富氧燃烧的研究动态与进展[J]. 化工学报, 2019, 70(10): 3791-3807.

Figures/Tables 6

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