600 MW机组动调轴流引风机轴承箱基座裂纹原因分析及处理  

Cause Analysis and Treatment of Cracks on Bearing Box Base of Dynamic Regulating Axial Flow IDF of 600MW Unit

作　　者：周黎明 唐作宁 曹建军 ZHOU Li-ming;TANG Zuo-ning;CAO Jian-jun(Guoneng Yuedian Taishan Power Generation Co.Ltd.)

机构地区：[1]国能粤电台山发电有限公司

出　　处：《电站系统工程》2022年第6期31-32,共2页Power System Engineering

摘　　要：对600 MW机组动调引风机轴承箱基座裂纹原因进行了分析,确定了轴系临界转速不合理及机壳轴承座焊缝缺陷是导致裂纹的主要因素。提出并实施相应的措施,提高了引风机运行的可靠性。The causes of cracks on the bearing housing base of the dynamic regulating induced draft fan of 600MW unit are analyzed. It is determined that the unreasonable critical speed of the shaft system and the weld defects of the housing bearing seat are the main factors leading to the cracks. Corresponding measures are put forward and implemented to improve the operation reliability of induced draft fan.

关 键 词：动调轴流引风机 轴承箱基座 裂纹 分析及处理 

分 类 号：TK223.26[动力工程及工程热物理—动力机械及工程]