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    • 7. 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。