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首页> 外文会议>POWER-GEN Europe 2003 >The benefits of coal/air flow measurement and control on NOx emission and boiler performance
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The benefits of coal/air flow measurement and control on NOx emission and boiler performance

机译：煤/空气流量测量和控制对NOx排放和锅炉性能的好处

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Foster Wheeler has developed an innovative approach that provides real-time coal flow,rnparticle velocity and fineness results in combination with airflow measurement. Theserntechnologies have been combined in an automated control system to match secondary air andrnfuel flow at the burners. This “Fuel Injection” (FI) approach provides additional performancernbenefits for ultra low NO_x firing system applications.rnOne of the first applications of the FI technology as part of a low NO_x system retrofit werernlarge tangential-fired units. The results repeatedly show a substantial NO_x and CO reductionrnand oxygen profile improvements when the secondary air and fuel flow control system isrnactive. Other units are being retrofit with low NO_x systems that include this new “fuelrninjection” technology approach. This paper will present results of emission reductions andrnboiler performance improvements from these unique installations.
机译：Foster Wheeler开发了一种创新方法，可结合气流测量提供实时煤流量，颗粒速度和细度结果。这些技术已结合到自动控制系统中，以匹配燃烧器处的二次空气和燃料流。这种“燃油喷射”（FI）方法为超低NO_x燃烧系统应用提供了额外的性能优点。作为低NO_x系统改造的一部分，FI技术的首批应用之一是大型切向燃烧单元。结果反复表明，当次级空气和燃料流量控制系统处于非活动状态时，NO_x和CO的还原量和氧分布均得到了改善。其他单元正在使用低NO_x系统进行改造，其中包括这种新的“燃油喷射”技术方法。本文将介绍这些独特装置的减排结果和锅炉性能的提高。

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