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    • 1. 发明授权
    • Solid bowl centrifuge with terminal clarification device
    • 固体碗离心机,带终端澄清装置
    • US4714456A
    • 1987-12-22
    • US860713
    • 1986-05-07
    • Wolfgang BenderDieter MrotzekBernd KoglinKarl-Heinz Steiner
    • Wolfgang BenderDieter MrotzekBernd KoglinKarl-Heinz Steiner
    • B04B1/20B04B7/16
    • B04B1/20B04B2001/2083
    • The solid bowl screw centrifuge consists of a housing (1) in which a drum (2) is rotatable. A rotatably mounted conveyor screw (3) is situated inside the drum (2). The drum (2) and screw (3) rotate at slightly differing speeds of rotation when in operation. The housing (1) is cylindrical in the region of the clarifying part (I) and conical in the region of the demoisturizing part (II). The suspension inflow (5,6) opens into the hollow screw core (12) at a location between the clarifying part (I) and the demoisturizing part (II). The liquid discharge consists of an overflow weir (16) or stripping pipe (9) on the clarifying part (I). The solids discharge (4) is situated at the end of the demoisturizing part (II). The screw (3) is arranged within the clarifying part (I) on the cylindrical hollow screw core (12) whose peripheral surface is partly or completely equipped with an after-clarifying device through which fluid flows in a radial direction. The after-clarifying device consists either of a filtration device placed on the perforated screw core (12) or of a laminar separator (14). These fittings enable the degree of separation of the centrifuge to be improved, especially in the treatment of solids which sediment only slowly.
    • 固体碗螺杆离心机由其中滚筒(2)可旋转的壳体(1)组成。 可旋转地安装的传送螺杆(3)位于滚筒(2)的内部。 当操作时,滚筒(2)和螺钉(3)以稍微不同的旋转速度旋转。 壳体(1)在澄清部分(I)的区域中是圆柱形的,并且在净化部分(II)的区域中是圆锥形的。 在澄清部分(I)和净化部分(II)之间的位置处,悬浮流入物(5,6)进入中空螺杆芯(12)。 液体排放由澄清部分(I)上的溢流堰(16)或剥离管(9)组成。 固体排放物(4)位于生化部分(II)的末端。 螺杆(3)布置在圆柱形中空螺纹芯(12)上的澄清部分(I)中,其圆周表面部分地或完全地具有流体沿径向流动的后澄清装置。 后澄清装置由放置在多孔螺杆芯(12)上的过滤装置或层状分离器(14)组成。 这些配件能够使离心机的分离程度得到改善,特别是在沉淀物缓慢的固体处理中。