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Head start partial premixing for reducing oxides of nitrogen emissions in gas turbine combustors

机译:提前开始部分预混以减少燃气轮机燃烧器中氮氧化物的排放

摘要

Reducing NOx emission levels from a gas turbine combustor having a premixer section by mixing a small portion of air into the fuel prior to injection into the premixer section. The portion of diverted air is approximately five percent of the total amount of air injected into the premixer section or such that the resulting fuel-air mixture in the fuel line is approximately half fuel and half air. The injection of air into the fuel line, referred to as "head start partial premixing," is effective to reduce the fluctuations and nonuniformities in the fuel concentration levels which increase NOx output. IMAGE
机译:通过在喷射到预混合器部分之前将一小部分空气混合到燃料中来降低具有预混合器部分的燃气轮机燃烧室的NOx排放水平。转移的空气的部分大约是注入到预混合器部分中的空气总量的百分之五,或者使得燃料管线中的所得燃料-空气混合物大约是一半燃料和一半空气。将空气注入燃料管线中被称为“先启部分预混合”,可有效减少燃料浓度水平的波动和不均匀性,从而增加NOx的输出。 <图像>

著录项

  • 公开/公告号NO924975L

    专利类型

  • 公开/公告日1993-06-24

    原文格式PDF

  • 申请/专利权人 GEN ELECTRIC;

    申请/专利号NO19920004975

  • 发明设计人 FRIC THOMAS FRANK;KUWATA MASAYOSHI;

    申请日1992-12-22

  • 分类号F23R3/30;

  • 国家 NO

  • 入库时间 2022-08-22 05:10:48

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