The diode laser absorption spectroscopy ( DLAS ) and the configuration and performance of laser gas analyzer were expounded, including its application in RFCC regeneration flue gas measurement. The application results prove its effectiveness in analyzing RFCC flue gas components.%阐述半导体激光吸收光谱技术的原理,激光气体分析仪的结构和性能特点,以及激光气体分析仪在重油催化裂化再生烟气测量中的实际应用.投运结果表明:该分析仪能较好地满足重油催化裂化再生烟气组分分析的需求.
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