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    EXTERNAL MIXING PRESSURIZED TWO-FLUID NOZZLE AND A SPRAY DRYING METHOD
    2.
    发明申请
    EXTERNAL MIXING PRESSURIZED TWO-FLUID NOZZLE AND A SPRAY DRYING METHOD 有权
    外部混合加压双流体喷嘴和喷雾干燥方法

    公开(公告)号：US20140014276A1

    公开(公告)日：2014-01-16

    申请号：US13981800

    申请日：2011-02-28

    申请人： Per Bo Sorensen ,  Anders Bo Jensen ,  Soren Fredsted

    发明人： Per Bo Sorensen ,  Anders Bo Jensen ,  Soren Fredsted

    IPC分类号： B01D1/18

    CPC分类号： B01D1/18 ,  B01J2/02 ,  B01J2/04 ,  B05B7/06 ,  B05B7/062 ,  B05B7/066 ,  B05B7/10 ,  B22F9/08 ,  B22F9/082 ,  F26B3/12

    摘要： Disclosed herein is an external mixing pressurized two-fluid nozzle for atomising a liquid by means of liquid pressure and gas, comprising an inner feed liquid pipe (1) extending axially between an upstream end and a downstream end, having a feed liquid conduit (2), a feed liquid inlet (3) positioned at the upstream end and a feed orifice (4) positioned at the downstream end, and a co-axial first gas pipe (5) extending radially outside the inner feed liquid pipe (1) and forming a first gas conduit (6) between the first gas pipe (5) and the inner feed liquid pipe (1), the first gas pipe (5) having a gas outlet slit (7) positioned at the downstream end. Said external mixing two-fluid nozzle provides a swirling motion of the gas, which combined with a pressurized feed liquid enables the production of spray dried powder at industrially applicable capacities with low energy consumption and a small particle size.

    摘要翻译： 本文公开了一种用于通过液体压力和气体雾化液体的外部混合加压双流体喷嘴，包括在上游端和下游端之间轴向延伸的内部进料液体管（1），具有进料液体导管（2 ），位于上游端的进料液入口（3）和位于下游端的进料孔（4）和沿内部进料液管（1）径向延伸的同轴第一气体管（5）和 在所述第一气体管道（5）和所述内部进料液体管道（1）之间形成第一气体导管（6），所述第一气体管道（5）具有位于下游端的气体出口狭缝（7）。 所述外部混合双流体喷嘴提供气体的旋转运动，其与加压进料液体组合使得能够以低能量消耗和小的粒度在工业上适用的容量下生产喷雾干燥粉末。