三菱M251S型燃机燃烧失稳问题分析及处理  

Cause Analysis and Treatment of Combustion Instability in Mitsubishi M251S Combustion Engine

作　　者：刘月苹 左兴堂 张海涛 彭珍[1] LIU Yueping;ZUO Xingtang;ZHANG Haitao;PENG Zhen(Beijing Shougang Qianan Iron and Steel Co.,Ltd.,Qianan,Hebei 064404,China)

机构地区：[1]北京首钢股份有限公司,河北迁安064404

出　　处：《冶金动力》2023年第4期77-81,共5页Metallurgical Power

摘　　要：某厂三菱M251S型燃机运行中出现燃烧失稳、BPT偏差大跳机问题,通过分析三菱燃烧振动检测系统(CPFM)不同模式下报警典型特征,确定了燃空比异常主要原因,采取针对性控制措施,实现了机组运行稳定。A plant′s Mitsubishi M251S combustion engine had combustion instability which leads to BPT deviation and trip.Through the analysis of the alarm typical characteris-tics of the Mitsubishi CPFM under different modes,the main reason was determined which is the abnormal fuel-air ratio.Targeted control measures were taken to achieve the stability of the unit operation.

关 键 词：燃烧失稳 BPT偏差 CPFM 

分 类 号：TM314[电气工程—电机]