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    • 4. 发明公开
    • CYLINDRICAL GAS PREMIX BURNER
    • 圆柱形燃气预混燃烧器
    • EP2805111A2
    • 2014-11-26
    • EP13700009.7
    • 2013-01-03
    • Bekaert Combustion Technology B.V.
    • TEN HOEVE, DirkFOLKERS, Geert
    • F23D14/58
    • F23D14/58F23D14/06F23D2203/1012F23D2203/1026
    • A cylindrical gas premix burner (100) is described that is comprising - a cylindrical burner deck (110), wherein the cylindrical burner deck (110) is comprising a metal plate, and wherein the cylindrical burner deck (110) has a perforated zone, the perforated zone being the part of the cylindrical burner deck (110) that is foreseen with perforations in the metal plate, - an end cap (115), - an inlet (112) for gas premix at the opposite side of the end cap (115). The perforated zone is comprising - seen along the axis of the cylindrical gas premix burners - at least three sections, wherein a first section (140) at the inlet, a third section (160) located towards the end cap, and a second section (150) located between the first section (140) and the third section (160). The porosity of the second section (150) of the cylindrical burner deck (110) is at least 50% higher than the porosity of the cylindrical burner deck (110) in the first section (140) and then the porosity in the third section (160). The cylindrical gas premix burner (100) can be used in combination with an ionization pen (190) for efficient control of the air to gas ratio over a broad load range of the cylindrical gas premix burner (100). The cylindrical gas premix burner (100) can e.g. be used in boilers or in instantaneous water heaters.
    • 描述了一种圆柱形气体预混燃烧器(100),其包括 - 圆柱形燃烧器板(110),其中圆柱形燃烧器板(110)包括金属板,并且其中圆柱形燃烧器板(110)具有穿孔区, 该穿孔区是圆柱形燃烧器板(110)的可预见金属板中具有穿孔的部分, - 端盖(115), - 用于在端盖的相对侧处的气体预混合的入口(112) 115)。 穿孔区包括 - 沿圆柱形气体预混合燃烧器的轴线看 - 至少三个区段,其中入口处的第一区段(140),朝向端盖的第三区段(160)和第二区段( 150)位于第一部分(140)和第三部分(160)之间。 圆柱形燃烧器板(110)的第二部分(150)的孔隙率比第一部分(140)中的圆柱形燃烧器板(110)的孔隙率高至少50%,然后第三部分 160)。 圆柱形气体预混合燃烧器(100)可与电离笔(190)结合使用,以在圆柱形气体预混合燃烧器(100)的宽负载范围内有效控制空气与气体的比率。 圆柱形气体预混合燃烧器(100)可以例如 用于锅炉或即热式热水器。
    • 10. 发明公开
    • PREMIX GAS BURNER
    • VORMISCHGASBRENNER
    • EP2815179A1
    • 2014-12-24
    • EP13702067.3
    • 2013-02-04
    • Bekaert Combustion Technology B.V.
    • FOLKERS, Geert
    • F23D14/02F23D14/70
    • F23D14/02F23D14/70F23D2203/1012F23D2203/102F23D2203/1055
    • The invention discloses a cylindrical premix gas burner (100) that is comprising a cylindrical burner deck (110), which is comprising a perforated metal plate. The cylindrical premix gas burner (100) is delimited by an end cap (1 15). At the opposite side of the end cap, an inlet disc (120) with perforations is provided for the supply of a premix of combustible gas and air into the burner and which is to be burnt on the outside of the cylindrical burner deck (110) after the premix gas has flown through it. The inlet disc is comprising - a multiple of perforations (130) for premix gas supply in a central zone of the plate, - and a multiple of perforations (140) for premix gas supply in the peripheral zone of the inlet disc (120). The porosity of the inlet disc is higher in the central zone than in a peripheral zone. The average surface area of the perforations in the central zone of the inlet disc is less than 20 mm
      2 .
    • 本发明公开了一种圆柱形预混气体燃烧器(100),其包括圆柱形燃烧器甲板(110),其包括穿孔金属板。 圆柱形预混气体燃烧器(100)由端盖(115)限定。 在端盖的相对侧,提供了具有穿孔的入口盘(120),用于将可燃气体和空气的预混合物供应到燃烧器中并且将被燃烧在圆柱形燃烧器甲板(110)的外侧上, 在预混合气体已经通过它之后。 入口盘包括 - 用于在板的中心区域中预混合气供应的多个穿孔(130),以及用于在入口盘(120)的周边区域中预混合气供应的多个穿孔(140)。 入口盘的孔隙度在中心区域比在周边区域高。 入口盘中心区域的穿孔平均表面积小于20 mm2。