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In-situ infrared detection of stack gases

机译：烟气的原位红外检测

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Abstract: Infrared measurement using gas-filter correlation (GFC) detection offers an accurate, sensitive, and highly selective technique for the quantitative detection of a number of common industrial gases. A radiative transfer model based on the HITRAN database has been developed to permit the response function of such an instrument to be calculated. The model has been applied to a number of gases, calculating the instrument response to both the target gas and selected interferent species over a broad range of stack temperatures. An optical probe GFC detector has been designed for in-stack measurements of CO and HCl from incinerators and thermal power stations. The probe can be purged with clean air for a true baseline check and a calibration chamber is provided which allows the instrument to be calibrated using bottled gas mixtures. The instrument has completed a successful plant trial during which it measured CO emissions from a coal-fired power station, showing a detection sensitivity of 5 ppm. Detection of HCl has also been demonstrated in the laboratory. !4
机译：摘要：使用气体过滤器相关性（GFC）检测的红外测量提供了一种准确，灵敏且高度选择性的技术，用于定量检测多种常见的工业气体。已经开发了基于HITRAN数据库的辐射传递模型，以允许计算此类仪器的响应函数。该模型已应用于多种气体，可在很宽的烟囱温度范围内计算仪器对目标气体和所选干扰物的响应。光学探针GFC检测器已设计用于从焚化炉和火力发电厂的CO和HCl的堆叠测量。可以用干净的空气吹扫探头，以进行真正的基线检查，并提供校准室，该校准室允许使用瓶装气体混合物对仪器进行校准。该仪器已经完成了一项成功的工厂试验，在该试验中，该仪器测量了燃煤电厂的CO排放量，检测灵敏度为5 ppm。 HCl的检测也已在实验室证明。 ！4

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