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    • 25. 发明申请
    • STATIC MIXER AND METHOD FOR MIXING A MAIN COMPONENT WITH AN ADDITIVE
    • 静态混合器和方法用于混合附加组分的一个关键组件
    • WO02032562A1
    • 2002-04-25
    • PCT/IB2001/001818
    • 2001-10-02
    • B01F5/04B01F5/06B01F13/00B01F15/02
    • B01F5/0475B01F5/048B01F5/0481B01F5/0617B01F13/002B01F13/0023B01F15/0201B01F15/0223B01F15/0265B01F2013/1094B01F2215/0039B01F2215/006
    • The invention relates to a static mixer (1) having a cylindrical mixer channel formed by a mixer channel housing (5) and a multistage mixer-wing element (3) which is arranged in said mixer channel and used for mixing layers of a hardening accelerator paste into a flow of highly viscous PU. Discharge openings (7) are provided in the inlet area of the static mixer. Said discharge openings introduce a partial flow of hitherto unmixed highly viscous PU into secondary channels (6) arranged parallel to the mixer channel. The secondary channels are connected to feeder openings (8) arranged in the wall of the mixer channel downstream from the mixer wing element (3) when seen in the direction of flow. The unmixed PU is guided in the secondary channels (6) and enters the outer area of the flow emanating from the mixer wing element via the feeder openings where the mixed layers of hardening accelerator paste are contained. The mixed flow is covered with a layer of unmixed PU to prevent layers of hardening accelerator paste from being discharged from an adhesive element applied with the aid of the mixer (1) and to prevent the occurrence of adhesive defects resulting therefrom.
    • 本发明通过一个混合器通道壳体(5)形成的圆筒型混合机信道,并且具有设置在混合器中的信道的多级混合器叶片元件(3)用于分层一个Aushärtebeschleunigerpaste混入高粘度PU的流涉及一种静态混合器(1)与。 在静态混合器(1)的入口区域是抽取开口(7)被设置,这引发在平行于混合器通道仍然未混合的高粘性PU的部分流布置辅助信道(6)。 反过来侧通道(6)在后可见流(S)的方向设置有连接配置在Mischerkanalwandung供应开口(8)的混合器叶片元件(3)在其上被引导到侧通道(6),未混合的PU其中在从所述外部区域 混合器叶片元件离开(3)从当前的PU被供给层导通的混合Aushärtebeschleunigerpaste。 以这种方式,混合流被涂覆有未混合的PU层,使得Aushärtebeschleunigerpastenschichten的从混合器(1)的漏施加的粘合剂的小珠,并将所得Fehlklebungen来防止。