75 t/h煤气-煤粉混烧锅炉提效改造技术研究及应用  

Research and Application of Transformation Technology for 75 t/h Gas-Pulverized Coal Blending Boiler

作　　者：李建贞 LI Jianzhen(Power and Energy Center of Panzhihua Steel and Vanadium Co.,Ltd.,Panzhihua,Sichuan 617000,China)

机构地区：[1]攀枝花钢钒有限公司能源动力分公司,四川攀枝花617062

出　　处：《冶金动力》2019年第3期50-54,58,共6页Metallurgical Power

摘　　要：针对75 t/h煤气-煤粉混烧锅炉焦煤使用能力有限、排烟温度高和热效率低等问题,通过问题分析、方案研究和组织实施,并结合最新低氮燃烧技术,对75 t/h锅炉进行了纯烧煤气改造,提高了锅炉煤气使用能力,减少了热损失,降低了NOx排放指标,社会效益与经济效益明显。The problems of limited coking coal consuming capacity,high flue gas temperature and low heat efficiency of the 75 t/h gas-pulverized coal mixed-combustion boiler were analyzed and a transformation program was studied and drawn up.The boiler was transformed to burn gas only with the latest low-nitrogen combustion technology,which has increased the gas consuming capacity of the boiler,reduced heat cost,lowered NOx emission and brought significant social and economic benefit.

关 键 词：煤气-煤粉混烧锅炉 纯烧煤气 改造低氮燃烧 

分 类 号：TK229[动力工程及工程热物理—动力机械及工程]