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    Low-NO.sub.x staged combustion device for controlled radiative heating in high temperature furnaces
    2.
    发明授权
    Low-NO.sub.x staged combustion device for controlled radiative heating in high temperature furnaces 失效
    用于高温炉中受控辐射加热的低NOx分级燃烧装置

    公开(公告)号：US5611682A

    公开(公告)日：1997-03-18

    申请号：US523988

    申请日：1995-09-05

    申请人： Aleksandar G. Slavejkov ,  Thomas M. Gosling ,  Robert E. Knorr, Jr.

    发明人： Aleksandar G. Slavejkov ,  Thomas M. Gosling ,  Robert E. Knorr, Jr.

    IPC分类号： C03B5/235 ,  F23C6/04 ,  F23D14/22 ,  F23D14/32 ,  F23C5/00

    CPC分类号： F23D14/32 ,  C03B5/2353 ,  F23C6/045 ,  F23D14/22 ,  F23C2201/101 ,  F23D2900/00013 ,  Y02E20/344 ,  Y02P40/55 ,  Y02P40/57

    摘要： A staged oxy-fuel burner for producing a generally flat fuel rich flame overlying a highly radiative fuel lean flame, the burner having a fuel passage terminating in a nozzle, the fuel passage and nozzle having a generally elongated cross-section, a housing of complementary shape surrounding the fuel passage, so that when fuel is introduced into the fuel passage and an oxidizer is introduced into the passage defined by a space between the housing and the fuel passage a generally flat fuel rich flame is produced at the nozzle end of the fuel conduit and a staging nozzle for introducing oxidizer underneath and in a shape complementary to said fuel rich flame to produce a highly radiative fuel lean flame under said fuel rich flame. A precombustor having a cross-sectional shape complementary to that of flame end of the burner can be disposed on the flame end of the burner housing the precombustor having a nozzle underneath the flame end to introduce oxidizer underneath the fuel rich flame exiting the precombustor.

    摘要翻译： 一种分级氧燃料燃烧器，用于产生覆盖高度辐射的燃料贫燃火焰的大致平坦的富燃料火焰，燃烧器具有终止于喷嘴中的燃料通道，燃料通道和喷嘴具有大致细长的横截面， 形状围绕燃料通道，使得当燃料被引入燃料通道中并且氧化剂被引入由壳体和燃料通道之间的空间限定的通道中时，在燃料的喷嘴端处产生大致平坦的富燃料火焰 导管和用于在下面引入氧化剂并且具有与所述富燃料火焰互补的形状的分段喷嘴，以在所述富燃料火焰下产生高度辐射的燃料贫火焰。 具有与燃烧器的火焰端的横截面形状互补的预燃烧器可以设置在燃烧器的火焰端上，该燃烧器容纳具有在火焰端下方的喷嘴的预燃烧器，以在离开预燃室的富燃料火焰下方引入氧化剂。

    Method and device for low-NO.sub.x high efficiency heating in high temperature furnaces
    3.
    发明授权
    Method and device for low-NO.sub.x high efficiency heating in high temperature furnaces 失效
    高温炉低NOx高效加热方法及装置

    公开(公告)号：US5575637A

    公开(公告)日：1996-11-19

    申请号：US334208

    申请日：1994-11-04

    申请人： Aleksandar G. Slavejkov ,  Thomas M. Gosling ,  Robert E. Knorr, Jr.

    发明人： Aleksandar G. Slavejkov ,  Thomas M. Gosling ,  Robert E. Knorr, Jr.

    IPC分类号： C03B5/235 ,  F23D14/22 ,  F23D14/32 ,  F23M5/02 ,  F23C5/00

    CPC分类号： C03B5/2353 ,  F23D14/22 ,  F23D14/32 ,  F23M5/025 ,  F23D2900/00013 ,  Y02E20/344 ,  Y02P40/55 ,  Y02P40/57

    摘要： An oxy-fuel burner for producing a generally flat luminous flame, the burner having fuel passage terminating in a nozzle, the fuel passage and nozzle having a generally elongated cross-section, a housing of complementary shape surrounding the fuel passage, so that when fuel is introduced into the fuel passage and an oxidizer is introduced into the passage defined by a space between the housing and the fuel passage a generally flat luminous flame is produced at the nozzle end of the fuel conduit. A precombustor having a cross-sectional shape complementary to that of flame end of the burner can be disposed on the flame end of the burner housing to further enhance combustion and protect the burner from the furnace atmosphere.

    摘要翻译： 一种用于产生大致平坦的发光火焰的氧燃料燃烧器，所述燃烧器具有终止在喷嘴中的燃料通道，所述燃料通道和喷嘴具有大致细长的横截面，围绕所述燃料通道的互补形状的壳体，使得当燃料 被引入到燃料通道中，并且氧化剂被引入由壳体和燃料通道之间的空间限定的通道中，在燃料管道的喷嘴端处产生大致平坦的发光火焰。 具有与燃烧器的火焰端的互补的横截面形状的预燃烧器可以设置在燃烧器壳体的火焰端上，以进一步增强燃烧并保护燃烧器免受炉内气氛的影响。