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    • 2. 发明专利
    • Rich-lean burner
    • 精益燃烧器
    • JP2013245838A
    • 2013-12-09
    • JP2012117824
    • 2012-05-23
    • Paloma Co Ltd株式会社パロマ
    • ODA HIROSHI
    • F23C99/00F23D14/02
    • F02B17/00F23C2201/20F23C2900/06043F23D14/02F23D14/70F23D23/00F23D2203/101F23D2203/102F23D2900/11401F23D2900/21003
    • PROBLEM TO BE SOLVED: To achieve stable combustion by increasing a surface area of flame.SOLUTION: A rich-lean burner 1 includes an inner cylinder 2 to which lean gas, which is a mixture of gas and combustion air, is supplied, and an outer cylinder 3 that is coaxially disposed around the inner cylinder 2 such that rich gas, which is a mixture of gas and combustion air, is supplied between the inner cylinder 2 and the outer cylinder. A burner head 4, which has a plurality of small holes 5, 5, ..., and whose diameter decreases toward the leading end, is provided on an opening of the inner cylinder 2. The burner head 4 is obtained by forming a perforated metal, in which the small holes 5, 5, ... are arranged in a zigzag manner, into a conical shape. An interval between each of the small holes 5, 5, ... is two to three times the diameter of the small holes 5. The total area of the small holes 5 is larger than the area of an upper end opening of an upper inner cylinder 2b.
    • 要解决的问题:通过增加火焰的表面积来实现稳定的燃烧。溶液:富稀燃烧器1包括内筒2,供给作为气体和燃烧空气的混合气体的贫气, 外筒3同轴地设置在内筒2周围,使得在内筒2和外筒之间供给作为气体和燃烧空气的混合气体的浓气。 具有多个小孔5,5和...的燃烧器头4设置在内筒2的开口上。燃烧器头4通过形成穿孔 金属,其中小孔5,5,...以锯齿形的方式布置成圆锥形。 每个小孔5,5,...之间的间隔是小孔5的直径的2-3倍。小孔5的总面积大于上部内孔的上端开口面积 气缸2b。
    • 5. 发明专利
    • Combustor for temperature rising of exhaust gas
    • 排气温度升高的COMBUSTOR
    • JP2011185493A
    • 2011-09-22
    • JP2010049399
    • 2010-03-05
    • Hino Motors Ltd日野自動車株式会社
    • TSUMAGARI ICHIROSHIBUYA AKIRATAKAYASU MASAZUMI
    • F23D11/24F01N3/20F23G7/06
    • F01N3/0256F01N3/025F01N2240/14F01N2240/20F01N2470/18F23D2900/21003F23D2900/21006F23G7/065
    • PROBLEM TO BE SOLVED: To provide a combustor for temperature rising of an exhaust gas capable of effectively preventing misfire or incomplete combustion by having high flame stabilizing performance.
      SOLUTION: This combustor includes a fuel injection nozzle 7, electrode bars 8, 9 (ignition device), and a double-cylindrical flame stabilizer 10 surrounding their circumference. A part between an inner cylinder 11 and an outer cylinder 12 of the flame stabilizer is closed by a torus-shaped closing plate 13 at a tip side and a combustion air introduction line 15 for guiding the combustion air 14 to between the inner cylinder 11 and the outer cylinder 12 is connected from a basic end side, a plurality of combustion air inflow holes 16 are bored at a basic end side of the inner cylinder 11, a plurality of peripheral fins 17 are formed by being cut and raised to a radial inner side on a peripheral face of the inner cylinder 11 shifted to the tip side with respect to the combustion air inflow holes, to guide the combustion air 14 from the circumferential direction and form the swirl flow in the inner cylinder 11, and further a plurality of end fins 18 are formed on the closing plate 13 by being cut and raised in the fuel injecting direction to discharge the combustion air 14 in the circumferential direction and to form the swirl flow around the flame 21.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种能够通过具有高火焰稳定性能有效地防止失火或不完全燃烧的排气升温的燃烧器。 解决方案:该燃烧器包括燃料喷射喷嘴7,电极棒8,9(点火装置)和围绕其圆周的双圆柱形火焰稳定器10。 火焰稳定器的内筒11和外筒12之间的部分由尖端侧的环形封闭板13和用于将燃烧空气14引导到内筒11和 外筒12从基端侧连接,在内筒11的基端侧开设有多个燃烧空气流入孔16,通过将多个周缘翅片17切断并升高到径向内侧 在内筒11的周面上相对于燃烧空气流入孔移动到前端侧,从而沿着圆周方向引导燃烧用空气14,并在内筒11内形成涡流,另外, 在封闭板13上通过在燃料喷射方向上被切割和升高而在周向上排出燃烧空气14并在火焰21周围形成涡旋流而形成在末端散热片18上。COPYRIG HT:(C)2011,JPO&INPIT