轴流式一次风机失速原因分析  

Cause Analysis of Stall of Axial Primary Fans

作　　者：侯凡军[1] 翟慎会[2] 韩小刚[1] 

机构地区：[1]山东电力研究院,山东济南250002 [2]山东电力工程咨询院,山东济南250013

出　　处：《山东电力技术》2008年第4期77-80,共4页Shandong Electric Power

摘　　要：对某电厂5号锅炉一次风机失速问题进行了分析。通过现场试验,发现造成一次风机失速的主要原因是磨煤机通风阻力过大和出口温度过高。改进处理后,一次风机没有再发生过失速。Stall of a primary fan for boiler No.5 in a power plant has been analysed. It has been found that from field test the main cause leading to stall of primary air fan are higher pressure loss and higher Outlet temperature of coal pulverizer. After retrofitting, no stall appear again.

关 键 词：轴流一次风机 失速 喘振 

分 类 号：TM621.7[电气工程—电力系统及自动化]