480t/h CFB锅炉排烟温度偏高的原因分析及治理  

Diagnose Test and Retrofit of the “Blower Pinch” of the Primary Air Fan after Coversion Refomation in a 135 MW Super-high Pressure CFB Boiler

作　　者：何布朗[1] 孙耀平 刘玉春 邓德兵[1] HE Bu-lang;SU Yao-ping;LIU Yu-chun;DENG De-bing(SuZhou Nuclear Power Research Institute,Suzhou Jiangsu 215004,China;Dianta Shendong Power Generation Co.Ltd,Shenmu Shanxi 719300,China)

机构地区：[1]苏州热工研究院有限公司,江苏苏州215004 [2]神东发电有限公司店塔电厂,陕西神木719300

出　　处：《科技视界》2019年第16期37-38,共2页Science & Technology Vision

摘　　要：针对某超高压135MW循环流化床锅炉一次风机变频改造后出现的"抢风"问题,在实际运行的冷态和热态工况下进行了诊断试验。根据诊断试验结果,提出了最优改造方案。对风机进行改造后问题得以解决。To clear the "blower pinch" of the primary air fan after coversion reformation in a 135 MW super-high pressure CFB boiler,a related cold and thermal diagnostic test was carried out in the primary air fan under normal working condition.Besed on the test result,an optimum reformation sheme has been obtained.The problem was finally solved by taking appropriate retrofit.

关 键 词：循环流化床 一次风机 离心风机 变频 抢风 

分 类 号：TK229.66[动力工程及工程热物理—动力机械及工程]