锅炉高温腐蚀在线安全预警系统构建及应用比较

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关键词：高温腐蚀；在线预警系统；应用 H2S 浓度监测；TDLAS技术应用；恒流稀释取样中图分类号：TQ534.9;TP391 文献标志码：A 文章编号：1001-5922（2025）09-0116-04

Construction and application comparison of online safety early-warning system for boiler high-temperature corrosion

GAO Dongbo1，WU Zilu'，WANG Jiaqi1，TIAN Zhiwei1，DU Yanjun² （1. Jingneng Qinhuangdao Thermal Power Co.，Ltd.，Qinhuangdao O66OO4，Hebei China; 2.School of Control and Computer Engineering，North China Electric Power University，Beijin 1OOo85，China）

Abstract：In order to solve the problem of high-temperaturecorrosion caused by low-nitrogencombustion of coalfired units，an online high-temperature corosion early warning system was proposed and applied.Low-nitrogen combustion reduces NOx emissions but increases the risk of corosion，and the early warning system is based on TDLAS （Tunable Diode Laser Absorption Spectroscopy） technology，which monitors the concentration of corrosive gases in the burner area in real time and gives early warnings.Constant flow dilution sampling and long-path partition measurements improve accuracyand enablemulti-point monitoring.Intheaplicationofcoal-fired power plants，the systemeffectively reduces the frequency of corrosion events，improves boilersafetyand economy，and reduces fuel consumptionand CO2 emisions，achieving a win-win situationof environmental protection and economic benefits.Theresearch provides technical support forthe safe production and energy conservation and emision reduction of coal-fired units.

1 words：high-temperature corrosion ;online early warning system; application of H2S concentration monitoring; TDLAS technology application ; constant flow dilution sampling

随着全球能源结构的转变和对环保要求的日益严格，燃煤机组作为传统的能源供应方式，在追求高效能的同时，也面临着巨大的环保挑战。（剩余6103字）