高温氧化铝回转窑低氮燃烧技术探讨  

Discussion on low-nitrogen combustion technology in high-temperature alumina rotary kiln

作　　者：练以诚 康泽双 王建立 刘万超 毛旭光 Lian Yicheng;Kang Zeshuang;Wang Jianli;Liu Wanchao;Mao Xuguang(Zhengzhou Non-ferrous Metals Research Institute Co.,Ltd.of CHALCO,Zhengzhou 450041,China;China National Engineering Research Center for Aluminum Metallurgy,Zhengzhou 450041,China;CHALCO Environmental Protection and Energy Conservation Group Co.,Ltd.,Beijing 101300,China)

机构地区：[1]中铝郑州有色金属研究院有限公司,河南郑州450041 [2]国家铝冶炼工程技术研究中心,河南郑州450041 [3]中铝环保节能集团有限公司,北京101300

出　　处：《轻金属》2021年第11期57-62,共6页Light Metals

摘　　要：结合高温氧化铝回转窑生成工艺及装备分析了高温氧化铝回转窑生成过程中NOx类型及NOx生产原因。对现有燃料分级燃烧技术、烟气再循环燃烧技术、燃料稀释剂掺混燃烧技术等常规低氮燃烧技术现状进行了叙述,并分析了常规低氮燃烧技术在高温氧化铝回转窑低氮燃烧的可行性及注意事项。The NOx type and NOx production reason in the formation process of high-temperature alumina rotary kiln are analyzed in combination with the formation technology and equipment of high-temperature alumina rotary kiln.The status of conventional low-nitrogen combustion technologies is described,such as fuel fractional combustion technology,flue gas recirculation combustion technology and fuel diluent blending combustion technology.Meanwhile,the feasibility and precautions of the conventional low-nitrogen combustion technology in high-temperature alumina rotary kiln are analyzed.

关 键 词：氧化铝回转窑 NOx 低氮燃烧 

分 类 号：X701[环境科学与工程—环境工程]