高风温点火燃烧器中煤粉气流的着火规律  

Ignition of Pulverized Coal with Hot Air Burners

作　　者：陈燕[1] 王恒[1] 赵立合[1] 冯武军 

机构地区：[1]北京科技大学机械工程学院,北京100083 [2]北京市科委,北京100101

出　　处：《动力工程》2007年第1期38-41,112,共5页Power Engineering

基　　金：国家高技术研究发展计划(863计划)资助项目(2003AA529280)

摘　　要：针对一种新型电站锅炉使用的高风温直接点火的煤粉燃烧器,在现场实验和数学模型的基础上详细讨论了煤粉浓度、煤粉气流速度、热风速度和温度等因素对煤粉气流着火的影响规律,为燃烧器的设计与运行参数的选择提供指导。Focusing on a new kind of pulverized coal burners in power plant boilers for directly ignition with hot air, based on on-site experiments and mathematical models, the effect of the coal powder＇s concentration, the pulverized coal entraining air＇s velocity and temperature, on ignition of a coal powder stream is being discussed in detail to serve as a guidance for burner design and also for the proper choice of operational parameters. Figs 10, tables 2 and refs 2.

关 键 词：动力机械工程 锅炉 高风温直接点火 煤粉着火 煤粉燃烧器 

分 类 号：TK224.11[动力工程及工程热物理—动力机械及工程]