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    • 2. 发明授权
    • Fuel fired burners
    • 燃油燃烧器
    • US5685708A
    • 1997-11-11
    • US489626
    • 1995-06-12
    • Roland Vincent Horatio Palmer-Jones
    • Roland Vincent Horatio Palmer-Jones
    • F23D14/30F23D14/46F23D14/58F23D14/82F23D14/16
    • F23D14/82F23D14/30F23D14/46F23D14/583
    • A fuel fired burner is provided for receiving a premixture of fuel and air. A ceramic flame support extends across the burner chamber and has a plurality of elongate slots through which the fuel and air flows. Each slot has a narrow constant dimension portion that opens into a wider constant dimension portion. The outlet end of the latter portion opens into a short diverging outlet. The arrangement is such that when the burner is operating within a given heat output range, the burner flame can move between the upstream and downstream ends of the diverging outlet to seek stabilization as the heat output changes within that range, without retracting into the slot upstream of the outlet.
    • 设置燃料燃烧器以接收燃料和空气的预混合物。 陶瓷火焰支撑件延伸穿过燃烧器室并且具有多个细长的狭槽,燃料和空气通过该狭槽延伸。 每个槽具有狭窄的恒定尺寸部分,其开口到更宽的恒定尺寸部分。 后一部分的出口端开放成短的发散出口。 这种布置使得当燃烧器在给定的热输出范围内操作时,燃烧器火焰可以在发散出口的上游和下游端之间移动,以在热输出在该范围内变化而寻求稳定,而不会缩回到上游的槽中 的出口。
    • 9. 发明授权
    • Flat-flame gas burner
    • 平燃气体燃烧器
    • US4045160A
    • 1977-08-30
    • US656519
    • 1976-02-09
    • Norman C. Michels
    • Norman C. Michels
    • F23D14/24F23D14/30F23D14/56F23D14/66F23D14/70F23D13/12
    • F23D14/66F23D14/56Y02E20/348
    • A fuel gas burner adapted for mounting in a heat treating furnace and for generating a relatively large expanse of radiant energy toward an object to be heated or heat treated. The burner has a housing with separate inlets for fuel gas and air and an air plenum with a forwardly facing throat. Surrounding the plenum throat is a combustion block formed of refractory material shaped to define a forwardly-facing frusto-conical heat radiating surface. A central fuel gas supply tube coaxial with the plenum throat has a nozzle element and a cooperating distributor mounted on its forward end to define with the plenum throat an annular air passage and a fuel gas chamber communicating with the supply tube. The nozzle element has radially extending circumferential vanes that define with the plenum throat, swirl producing slots adapted to receive air from the plenum chamber through the annular passage and fuel gas through ports communicating with the fuel gas chamber. The resulting fuel-air mixture which has a swirling motion imparted by the slots is ignited and propelled radially outward against the frusto-conical surface of the combustion block to produce a generally flat-flame. This produces a relatively large expanse of heat radiation directed toward the area to be heated.
    • 一种燃料气体燃烧器,其适用于安装在热处理炉中,并且朝向待加热或热处理的物体产生相当大的辐射能量。 燃烧器具有用于燃料气体和空气的独立入口的壳体和具有向前的喉部的空气增压室。 围绕充气室喉部的是由耐火材料形成的燃烧块,其形状为限定向前的截头圆锥形散热表面。 与集气室喉部同轴的中央燃料气体供应管具有一个喷嘴元件和一个配合分配器,其安装在其前端上,与气室喉部一起限定环形空气通道和与供应管连通的燃料气室。 喷嘴元件具有径向延伸的周向叶片,其限定有气室喉部,产生涡旋产生槽,其适于通过环形通道接收来自增压室的空气,并且燃料气体通过与燃料气体室连通的端口。 所产生的具有由狭槽施加的旋转运动的燃料 - 空气混合物被点燃并径向向外推进抵靠燃烧块的截头圆锥形表面以产生大致平坦的火焰。 这产生朝向待加热区域的相当大的热辐射。