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    • 2. 发明公开
    • An air-gas mixer device for gas burners with pre-mixing
    • Luft-Gas-MischvorrichtungfürBrenner mit Vormischung
    • EP2597370A1
    • 2013-05-29
    • EP12193782.5
    • 2012-11-22
    • LN 2 S.R.L. a socio unico
    • Tanoni, FrancescoRanalli, Antonio
    • F23D14/64F23L5/02F23D14/70
    • F23D14/64F23D14/36F23D14/70F23D2203/007F23L5/02
    • This is a description of a mixing device for combustible gas burners comprising a fan unit (2) with bladed impeller (3) driven around an axis of rotation (X) and having an axial intake section (5) and a radially opposed delivery section (6), a Venturi tube (11) coaxial with the axis of rotation (X), having a first portion (12) converging into a minimum cross section (13) and a second portion (14) diverging from the minimum cross section (13) and extending the first portion (12), the diverging portion (14) developing as far as the level of the intake section (5), the portions (12, 14) being reciprocally separated at the level of the minimum cross section (13), the first portion (12) having a respective first section at the level of the end profile having dimensions smaller than the corresponding dimensions of a second section associated to the second portion (14) at the level of the minimum cross section (13) of the Venturi.
    • 这是对可燃气体燃烧器的混合装置的描述,其包括具有围绕旋转轴线(X)驱动并具有轴向进气部分(5)和径向相对的输送部分(X)的叶片叶轮(3)的风扇单元(2) 6),与旋转轴线(X)同轴的文丘里管(11)具有会聚到最小横截面(13)的第一部分(12)和从最小横截面(13)分叉的第二部分(14) )并且使所述第一部分(12)延伸,所述发散部分(14)显影到所述进气部分(5)的高度,所述部分(12,14)在最小横截面(13)的水平面上往复分离 ),所述第一部分(12)具有在所述端部轮廓的水平处的相应的第一部分的尺寸小于在所述最小横截面(13)的水平处与所述第二部分(14)相关联的第二部分的对应尺寸, 的文丘里
    • 3. 发明公开
    • An air-gas mixer device for gas burners with pre-mixing
    • Luft-Gas-MischvorrichtungfürGasbrenner mit Vormischung
    • EP2597369A1
    • 2013-05-29
    • EP12193596.9
    • 2012-11-21
    • LN 2 S.R.L. a socio unico
    • Tanoni, FrancescoRanalli, Antonio
    • F23D14/64F23L5/02F23D14/46
    • F23D14/64F23D14/46F23D2203/007F23L5/02
    • This is a description of a mixing device for combustible gas burners comprising a fan unit (2) with bladed impeller (3) driven around an axis of rotation (X) and having an axial intake section (5) and a radially opposed delivery section (6), a Venturi tube (11), coaxial with the axis of rotation (X), having a first portion (12) converging into a minimum cross section (13) and a second portion (14) diverging from the minimum cross section (13) and extending the first portion (12), the diverging porting (14) terminating at the level of the intake section (5), a chamber (15) for the supply of the flow of gas to the device being defined coaxially to the Venturi tube (11), externally thereto and in fluid communication with the minimum cross section (13) of the Venturi, so that the flow of air fed along the first portion (12) of the Venturi tube is mixed with the flow of gas fed through the chamber (15) to the minimum cross section (13) of the Venturi.
    • 这是对可燃气体燃烧器的混合装置的描述,其包括具有围绕旋转轴线(X)驱动并具有轴向进气部分(5)和径向相对的输送部分(X)的叶片叶轮(3)的风扇单元(2) 6),与旋转轴线(X)同轴的文丘里管(11)具有会聚到最小横截面(13)的第一部分(12)和从最小横截面发散的第二部分(14) 13)并且延伸第一部分(12),扩散端口(14)终止于进气部分(5)的高度,用于向装置供应气体流的腔室(15)同轴地限定 文丘里管(11)在其外部并与文氏管的最小横截面(13)流体连通,使得沿着文丘里管的第一部分(12)供应的空气流与供给的气体流 通过腔室(15)到文丘里管的最小横截面(13)。