锅炉烟气余热回收系统设计及效果分析  

Design and effect analysis of boiler gas waste heat recovery

作　　者：章永洁[1] 蒋建云[1] 叶建东[1] 付萌[1] 张帆[1] 

机构地区：[1]北京市可持续发展促进会,北京100084

出　　处：《节能》2014年第7期24-26,2,共3页Energy Conservation

基　　金：北京市科技计划项目(项目编号:D111100000211003)

摘　　要：针对北京三元食品工业园燃气锅炉排出高温烟气的情况,设计了1套余热回收利用方案,运行效果测试分析表明,余热回收利用后,锅炉效率提高了9.12%,锅炉每年可回收利用的热量约7.77×106MJ,相当于节约天然气21.6万m3/a,烟气余热回收器寿命期内减排CO2约14030t,不仅节约了能源,同时减少了高温烟气对环境的污染。In Beijing Sanyuan Food Industry Park,large amount of boiler gas with high temperature was discharged. A system of waste heat recovery was designed in this paper. Running effect test showed that through heat recovery,boiler efficiency was increased by 9. 12%.For each boiler,7. 77 × 106 MJ can be saved every year,amounting to0. 216 million m3/a. During the whole life of recovery equipment,emission of CO2 can be reduced by 14030 t. The system can not only save a large amount of energy,but also reduce the pollution of high temperature boiler gas.

关 键 词：燃气锅炉 高温烟气 余热回收 锅炉效率 节能效果 

分 类 号：TK115[动力工程及工程热物理—热能工程]