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    • 10. 发明申请
    • Controlled humidification calibration checking of continuous emissions monitoring system
    • 连续排放监测系统控制加湿校准检查
    • US20090000349A1
    • 2009-01-01
    • US11824089
    • 2007-06-29
    • Mark HoltWilliam Eberhardt
    • Mark HoltWilliam Eberhardt
    • G01N1/22
    • G01N1/2252G01N1/2202G01N33/0006G01N33/0029G01N33/0045
    • A continuous emissions monitoring system is in fluid communication with a flue stack conducting exhaust gas from a combustion source. The continuous emissions monitor system comprises an analyzer for measuring concentrations of an analyte present in the exhaust gas. A probe is in fluid communication with the flue stack to acquire a sample of exhaust gas from the flue stack. The probe is also in fluid communication with and located upstream of the analyzer. The probe tends to remove analyte from the sample. A calibration checking system is in fluid communication with the probe. The calibration checking system includes a source that provides a flow of a known concentration of calibration material to be measured by the analyzer. The calibration material is the same as the analyte. A humidifier is associated with the source to provide moisture to a flow of calibration material. The moisture acts to cleanse removed analyte from the probe and thereby enable an accurate measurement of the concentration of the calibration material. A supply system is operatively connected with the humidifier to provide a desired amount of a liquid to the humidifier.
    • 连续排放物监测系统与来自燃烧源的废气的烟道堆流体连通。 连续排放监测系统包括用于测量废气中存在的分析物浓度的分析仪。 探头与烟道堆叠流体连通,以从烟道堆中获取废气样本。 探头也与分析仪的流体连通并位于分析仪的上游。 探针倾向于从样品中去除分析物。 校准检查系统与探头流体连通。 校准检查系统包括提供已知浓度的由分析仪测量的校准材料的流量的源。 校准材料与分析物相同。 加湿器与源相关联,以向校准材料流提供湿气。 湿气用于清除从探针中去除的分析物,从而能够准确测量校准材料的浓度。 供应系统与加湿器可操作地连接,以向加湿器提供所需量的液体。