Flat flame
    1.
    发明授权
    Flat flame 有权
    平火

    公开(公告)号:US5980243A

    公开(公告)日:1999-11-09

    申请号:US267249

    申请日:1999-03-12

    IPC分类号: F23C5/00 F23C6/04 F23D14/12

    摘要: A burner for combusting fuel gas and air in an enclosure having a burner block member of non-combustible material, such as ceramic, having a central rectangular or square opening. Said burner block being located between the surface to be heated and an enclosure wall opposite said surface, said central rectangular or square block opening being used to shape the combustion flame in a flat or fan shaped fashion parallel to the enclosure wall surface. In such an arrangement, the burner's purpose is to direct combustion flame upon the enclosure wall which is heated by the flame and radiates heat back towards the surface area to be heated and to reduce the oxygen content which serves to reduce the peak flame temperature of the combustion process to thereby reducing NO.sub.x production.

    摘要翻译: 一种用于燃烧燃料气体和空气的燃烧器,其具有具有中心矩形或方形开口的不燃材料(例如陶瓷)的燃烧器阻挡构件。 所述燃烧器块位于待加热表面和与所述表面相对的外壳壁之间,所述中心矩形或方形块开口用于使燃烧火焰以与外壳壁表面平行或扇形的方式成形。 在这种布置中,燃烧器的目的是将燃烧火焰引导到由火焰加热的封闭壁上,并将热量散发回待加热的表面区域,并且减少氧含量,其用于降低火焰的峰值火焰温度 燃烧过程,从而减少NOx产生。

    Burner for combusting gas with low NO.sub.x production
    2.
    发明授权
    Burner for combusting gas with low NO.sub.x production 失效
    用于燃烧低NOx生产气体的燃烧器

    公开(公告)号:US5458481A

    公开(公告)日:1995-10-17

    申请号:US187172

    申请日:1994-01-26

    摘要: A burner for combusting fuel gas and air in an enclosure includes a block member of non-combustible material, such as ceramic material, having a central opening therethrough. The block member has a plurality of spaced apart recirculation gas passageways paralleled to and spaced from the central opening, each of the recirculation gas passageways having an injection passageway communicating with the block member central opening. A fuel gas jet is positioned within each of the recirculation gas passageways for injecting fuel gas into the injection passageways to cause the injected fuel gas by Venturi action, to draw furnace gas from the cool fringes of the combustion zone through the recirculation gas passageways for passage back into the central opening after local combustion wherein modified air and fuel gas are thoroughly mixed and cooled for combustion within the enclosure. This recirculation system serves to reduce the temperature and oxygen content of the local combustion process to thereby reduce NO.sub.x production.

    摘要翻译: 用于在外壳中燃烧燃料气体和空气的燃烧器包括具有中心开口的不燃材料例如陶瓷材料的块件。 块体具有与中心开口平行并间隔开的多个间隔开的再循环气体通道,每个再循环气体通道具有与块体中心开口连通的注射通道。 燃料气体射流位于每个再循环气体通道内,用于将燃料气体喷射到喷射通道中,以通过文丘里作用引起喷射的燃料气体,从燃烧区域的冷条纹中抽出炉气通过再循环气体通道以通过 在局部燃烧之后回到中心开口,其中改进的空气和燃料气体被充分混合并冷却以在外壳内燃烧。 该再循环系统用于降低局部燃烧过程的温度和氧含量,从而减少NOx产生。

    Low NoX burner apparatus
    3.
    发明授权
    Low NoX burner apparatus 有权
    低NoX燃烧器

    公开(公告)号:US06394792B1

    公开(公告)日:2002-05-28

    申请号:US09523261

    申请日:2000-03-10

    IPC分类号: F23D1422

    摘要: An improved burner for combustion of fuel gas with air in a manner to result in low NOx, the burner is generally circular and has a refractory tile and gas tips. The gas tips are spaced around the outer circumference of a generally circular passageway in the burner tile, each gas tip is positioned to cause the fuel gas to entrain furnace flue gas. Each gas tip has one or more ports, an ignition port and at least one firing port. The ignition port injects fuel through a passageway to the burner tile. The firing port injects fuel gas in the direction that is generally upward with respect to the pathway of the ignition port. This causes fuel gas to entrain combustion products from the flue gas, the resulting mixture of fuel gas and flue gas is directed out of the burner tile to mix with combustion air that is discharged through the burner tile.

    摘要翻译: 一种改进的燃烧器燃烧气体与空气以导致低NOx的方式,燃烧器通常是圆形的并且具有耐火砖和气体顶端。 气体尖端围绕燃烧器瓦片中的大致圆形通道的外圆周间隔开,每个气体末端被定位成使得燃料气体夹带炉烟气。 每个气体尖端具有一个或多个端口,点火端口和至少一个点火端口。 点火口通过通道将燃料喷射到燃烧器砖。 燃烧口沿相对于点火口的通路向上的方向喷射燃料气体。 这导致燃料气体从烟气中夹带燃烧产物,所得到的燃料气体和烟道气的混合物被引导出燃烧器瓦片,以与通过燃烧器瓦片排出的燃烧空气混合。

    Burner for combusting gas and/or liquid fuel with low NO.sub.x production
    4.
    发明授权
    Burner for combusting gas and/or liquid fuel with low NO.sub.x production 失效
    用于燃烧低NOx产生气体和/或液体燃料的燃烧器

    公开(公告)号:US5542840A

    公开(公告)日:1996-08-06

    申请号:US538621

    申请日:1995-10-04

    摘要: A burner for combusting gas and/or liquid fuel and air in an enclosure includes a burner block of non-combustible material, such as ceramic material, having a central opening therethrough communicating with a combustion zone. The burner block has a plurality of spaced apart recirculation gas passageways paralleled to and spaced from the central opening, each of the recirculation gas passageways having an injection passageway communicating with the block member central opening. Fuel, which may be liquid and/or gas, is injected into said burner block central opening. Venturi action causes furnace gas to be drawn from the cool fringes of the combustion zone through the recirculation gas passageways for passage back into the central opening wherein air and fuel are thoroughly mixed and cooled for combustion within the enclosure. This recirculation system serves to reduce the temperature and oxygen content of the local combustion process to thereby reduce NO.sub.x production. An annular flame director ring positioned within the burner block central opening adjacent to and below the injection passageways augments the Venturi action to increase flow through the recirculation passageways.

    摘要翻译: 用于在外壳中燃烧气体和/或液体燃料和空气的燃烧器包括不燃性材料(例如陶瓷材料)的燃烧器组件,其具有与燃烧区域连通的中心开口。 燃烧器块具有与中心开口平行并间隔开的多个间隔开的再循环气体通道,每个再循环气体通道具有与块构件中心开口连通的注入通道。 可以将液体和/或气体的燃料注入燃烧器中心开口。 文丘里作用导致炉气从燃烧区的冷条纹通过再循环气体通道被抽出,以通过回到中心开口,其中空气和燃料被充分混合并冷却以在外壳内燃烧。 该再循环系统用于降低局部燃烧过程的温度和氧含量,从而减少NOx产生。 定位在燃烧器中心开口内的环形火焰导向器环邻近喷射通道和其下方,增加文丘里作用以增加通过再循环通道的流动。