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    • 9. 发明申请
    • METHOD AND APPARATUS FOR WETTING POWDER
    • 用于湿粉的方法和装置
    • WO1981002115A1
    • 1981-08-06
    • PCT/US1980000066
    • 1980-01-25
    • NEPTUNE MICROFLOC INC
    • NEPTUNE MICROFLOC INCHYDE PROWELL J
    • B01F15/02
    • B29B13/00B01D47/06
    • A high kinetic energy water spraying apparatus wets powdered or granular dry material, particularly hard-to-wet polymers, to provide a lump-free solution of a controlled concentration. A volumetric feeder drops the dry material through a frustoconical upper portion (54) of the apparatus. Water is injected tangentially so that the inner surface of the upper portion is completely wetted to prevent buildup of dry material on the surface. A lower portion of the apparatus comprises a cylindrical column (30) which receives dry material from the upper portion. The inner surface of the column (30) includes a series of spray nozzles (60) positioned to produce downwardly sloped and radially inwardly oriented jets of liquid which impinge falling dry material with high energy. The downward slope of the jets creates a downward air flow so that any dust from the dry material is drawn downwardly into the column.
    • 高动能喷水装置将粉末或颗粒状干燥材料,特别是难以湿润的聚合物润湿,以提供可控浓度的无块状溶液。 体积输送器将干燥材料通过设备的截头圆锥形上部(54)落下。 水被切向注入,使得上部的内表面被完全润湿,以防止干材料在表面上积累。 设备的下部包括从上部接收干燥材料的圆柱体(30)。 塔(30)的内​​表面包括一系列喷嘴(60),其被定位成产生向下倾斜和径向向内定向的液体射流,其以高能量冲击落下的干燥材料。 喷嘴的向下倾斜产生向下的空气流,使得来自干燥材料的任何灰尘向下拉入塔中。