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首页> 外文会议>ISA 56th Analysis Division symposium : Chart your course to correct chemical analysis! Set your sails for south shore harbour >REPLACING A STACK GAS FLOW HARDWARE DEVICE WITH PEMS SOFTWARE
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REPLACING A STACK GAS FLOW HARDWARE DEVICE WITH PEMS SOFTWARE

机译：用PEMS软件替换堆栈气流量硬件设备

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摘要

A statistical hybrid predictive emission monitoring system (PEMS) has been deployed at a site inrnNorth America to meet local regulatory and United States Environmental Protection Agencyrn(U.S. EPA) requirements for continuous monitoring of pollutant emissions. This paper discussesrnspecific implementations of a unique cost-effective statistical hybrid PEMS on gas and liquidfiredrnboilers. The PEMS model was certified to within 2% accuracy for stack gas velocity andrnvolumetric flow rate. The PEMS was installed to replace existing continuous emissionrnmonitoring system (CEMS) that were at the end of their functional lifespan. In each instancernthe predictive engine operated on training data using existing process control input parametersrnand historical CEMS data as required to develop a robust empirical model of the emissions.rnEach model was subsequently evaluated using standard U.S. EPA performance specification testrnmethods. The results of PEMS performance testing confirmed the PEMS capable of meeting thernaccuracy requirements including the stack gas flow. The data from the boilers are presentedrnalong with additional information regarding the quality assurance and quality control proceduresrnput in place and the costs to support the ongoing operation of the deployed compliance statisticalrnhybrid PEMS.
机译：统计混合预测排放监测系统（PEMS）已部署在北美inrn站点上，以满足地方法规和美国环境保护局（U.S. EPA）连续监测污染物排放的要求。本文讨论了在燃气和液体锅炉上独特的具有成本效益的统计混合PEMS的具体实现。经认证，PEMS模型的烟道气速度和体积流量精度在2％以内。已安装了PEMS，以替换使用寿命已尽的现有连续排放监测系统（CEMS）。在每种情况下，预测引擎都使用现有的过程控制输入参数和历史CEMS数据对训练数据进行操作，以建立可靠的排放经验模型。随后，每个模型都使用标准的美国EPA性能规范测试方法进行了评估。 PEMS性能测试的结果证实了PEMS能够满足包括烟道气流量在内的精度要求。锅炉数据将随质量保证和质量控制程序以及支持已部署合规性统计混合PEMS的持续运行的成本提供附加信息。

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