Input/loss method for determining fuel flow, chemistry, heating value and performance of a fossil-fired system
    1.
    发明授权
    Input/loss method for determining fuel flow, chemistry, heating value and performance of a fossil-fired system 无效
    用于确定化石燃料系统的燃料流量,化学性质,热值和性能的输入/损失方法

    公开(公告)号:EP1171834B8

    公开(公告)日:2005-03-23

    申请号:EP99912230.2

    申请日:1999-03-22

    发明人: Lang, Fred D.

    IPC分类号: G06F17/00 F23N5/00 F22B35/18

    摘要: The operation of a fossil-fueled thermal system (20) is quantified by obtaining a reference fuel chemistry before on-line operation (270), and thereafter operating on-line. In on-line operation (270), a set of measurable operating parameters is measured, including at least effluent concentrations of oxygen and carbon dioxide, and optionally the concentration of effluent water and the concentration of effluent sulfur oxide. An indicated Air/Fuel ratio is obtained, as are the ambient concentration of oxygen, and air preheater (36) leakage (29) and dilution factors. The fuel ash (Eq. 29) and fuel water are calculated, and the complete As-Fired fuel chemistry is calculated. From the complete As-Fired fuel (Eq. (13)) chemistry, the pertinent systems parameters such as reference fuel heating value, boiler efficiency (32)(Eq. 4(21)), system efficiency, fuel flow rate (Eq. 4(21)), total effluent flow rate (20), individual effluent flow rates (292), and individual emission rates (292) are determined in a fully consistent manner.

    摘要翻译: 化石燃料热系统(20)的操作通过在在线操作(270)之前获得参考燃料化学物质并且此后在线操作来量化。 在线操作(270)中,测量一组可测量的操作参数,包括至少氧气和二氧化碳的流出物浓度,以及任选地流出水的浓度和流出物硫氧化物的浓度。 指示的空气/燃料比率以及氧气的环境浓度,空气预热器(36)的泄漏(29)以及稀释系数。 计算燃料灰分(方程式29)和燃料水,并计算完全燃烧的燃料化学成分。 从完整的燃尽燃料(Eq。(13))化学,相关的系统参数,如参考燃料热值,锅炉效率(32)(方程4(21)),系统效率,燃料流率(方程 4(21)),总流出物流量(20),各个流出物流量(292)和各个排放率(292)以完全一致的方式确定。