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    • 5. 发明申请
    • Ultra-low NOx burner assembly
    • 超低NOx燃烧器组件
    • US20070254251A1
    • 2007-11-01
    • US11412006
    • 2006-04-26
    • Jin CaoMahendra JoshiAleksandar Slavejkov
    • Jin CaoMahendra JoshiAleksandar Slavejkov
    • F23C5/00
    • F23D14/22F23C6/047F23D14/32F23D14/583F23D14/74
    • Burner assembly comprising (a) an elongated body having a periphery, a discharge end adjacent a combustion zone, and an axis, wherein the axis extends into the combustion zone; (b) one or more oxidant nozzles disposed at the discharge end of the elongated body and adapted to discharge a gaseous oxidant into the combustion zone; and (c) one or more fuel nozzles disposed at the discharge end of the elongated body and adapted to discharge a fuel into the combustion zone. At least one of the oxidant and fuel nozzles is characterized by a shape factor, σ, that is greater than about 10, wherein σ is a dimensionless parameter defined as σ=P2/2A where P is the perimeter dimension of the discharge opening and A is the area of the discharge opening.
    • 燃烧器组件,其包括(a)具有周边的细长主体,与燃烧区相邻的排出端和轴,其中所述轴延伸到所述燃烧区中; (b)一个或多个氧化剂喷嘴,设置在细长体的排放端,并适于将气态氧化剂排放到燃烧区中; 和(c)一个或多个燃料喷嘴,设置在细长主体的排放端,并适于将燃料排放到燃烧区。 氧化剂和燃料喷嘴中的至少一个的特征在于大于约10的形状因子σ,其中σ是定义为σ= P 2 / 2A的无量纲参数,其中P是 排出口的周长尺寸A为排出口的面积。