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    • 2. 发明公开
    • IMPROVED PRECONDITIONER FOR EXTRUSION SYSTEMS
    • VERBESSERTER VORKONDITIONIERERFÜREXTRUSIONSSYSTEME
    • EP2544559A4
    • 2015-12-30
    • EP11822315
    • 2011-08-09
    • WENGER MFG
    • WENGER MARCWENGER LAVON
    • A23P1/12A23N17/00B01F7/04
    • B01F7/04A23K40/10A23K40/20A23K40/25A23K40/30A23K50/42A23N17/005A23P30/20B01F7/001B01F7/00141B01F7/00258B01F15/00824
    • Improved preconditioners (10) are provided for partial moisturization of human food or animal feed ingredients prior to downstream final processing thereof in an extruder (56) or pellet mill. The preconditioner (10) preferably includes an elongated housing (12) having a wall (14) with an inlet (20) and an opposed outlet (22). The housing (12) also has a larger diameter end wall (16) proximal to the inlet (20), a smaller diameter end wall (18) proximal to outlet (22), and a progressively converging housing wall (14) with a taper angle of from about 2-9°. A shaft (36) extends along the length of housing (14) and supports a plurality of outwardly extending mixing elements (46) positioned in axially and circumferentially spaced relationship along the length of the shaft (36). The outer margins (54) of the mixing elements (46) cooperatively define a taper along the length of the housing wall (14). The shaft (36) is designed to operate at high rotational speeds, and the mixing elements (46) may be selectively angularly oriented to retard or increase the flow rate of materials through the preconditioner (10). The simplified preconditioner (10) is operable to provide high degrees of moisturization and precooking.
    • 提供改进的预处理剂(10)用于在挤出机(56)或颗粒磨机中下游最终加工之前对人类食物或动物饲料成分进行部分保湿。 预处理器(10)优选地包括具有壁(14)的细长壳体(12),其具有入口(20)和相对的出口(22)。 壳体(12)还具有靠近入口(20)的较大直径的端壁(16),靠近出口(22)的较小直径的端壁(18),以及逐渐收敛的壳体壁(14),其具有锥形 角度约为2-9°。 轴(36)沿着壳体(14)的长度延伸并且支撑沿着轴(36)的长度沿轴向和周向间隔开的关系定位的多个向外延伸的混合元件(46)。 混合元件(46)的外边缘(54)协同地沿着壳体壁(14)的长度限定锥形。 轴(36)被设计成以高转速操作,并且混合元件(46)可以被选择性地角度定向以延迟或增加通过预调节器(10)的材料的流速。 简化的预处理器(10)可操作以提供高度的保湿和预煮。