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    • 2. 发明授权
    • Apparatus for the liquid treatment of a fibrous board between two
endless foraminous belts or wires
    • 用于在两个环形有孔带或电线之间液体处理纤维板的装置
    • US4874468A
    • 1989-10-17
    • US262255
    • 1988-10-20
    • Johann SbaschniggFranz Petschauer
    • Johann SbaschniggFranz Petschauer
    • D21C9/02B01D33/00B01D33/04D21C9/10
    • B01D33/042B01D33/646
    • The invention relates to an apparatus or plant or arrangement for the treatment of a dilute suspension of fibers or layer of material passed between two endless foraminous belts or wires or the like conveying means, the forming fibrous board being made to pass between the foraminous belts along at least one container for a treatment medium and at least some of the treatment containers being provided with a wall having orifices on the side facing the fibrous board for generating a pressure difference on the same, but being otherwise closed against the environment, and/or at least some of the treatment containers closed against the environment having walls closed against the foraminous belts and thus against the fibrous board, but otherwise open towards the foraminous belts. According to the invention, a reduction of the energy requirement in the displacement washing of filter cakes is sought above all. This is achieved according to the invention in that in particular for countercurrent treatment, conveniently for countercurrent displacement washing, at least one treatment container arranged above the upper framinous belt, in particular in contact with said belt, is formed as a pressure container from which the treatment liquid is dispensed under superpressure to the foraminous belts or to the forming fibrous board or layer of material present therebetween, and further by providing for a pressureless collecting container or pressureless collecting containers to be provided opposite this or these pressure container(s) underneath the lower foraminous belt.
    • 本发明涉及一种用于处理在两个环形有孔带或电线等之间通过的纤维或材料层的稀释悬浮液的装置或设备或装置,所述成形纤维板被制成在多孔带之间通过 用于处理介质的至少一个容器,并且至少一些处理容器设置有在面向纤维板的一侧上具有孔口的壁,用于在其上产生压力差,但是相对于环境而被封闭,和/或 至少一些处理容器相对于具有围绕多孔带封闭的壁并因此抵靠纤维板而封闭的环境而封闭,但是朝向多孔带打开。 根据本发明,首先要求减少滤饼的置换清洗中的能量需求。 这是根据本发明实现的,特别是对于逆流处理,特别是用于逆流置换洗涤的逆流处理,设置在上部带状带上方,特别是与所述带接触的至少一个处理容器形成为压力容器, 处理液体在超压下分配到多孔带或形成纤维板或其间存在的成型纤维板或材料层,并且进一步通过提供与这个或这些压力容器下方的压力容器相对设置的无压收集容器或无压收集容器 下多孔带。
    • 10. 发明授权
    • Suction roll for dewatering a fibrous web
    • 用于使纤维网脱水的吸辊
    • US08778142B2
    • 2014-07-15
    • US13879270
    • 2011-10-13
    • Franz Petschauer
    • Franz Petschauer
    • D21F1/48
    • F26B25/20D21F3/10
    • A suction roll for dewatering a fibrous web, having a rotatable and perforated suction roll jacket and a suction box in the interior of the suction roll. The suction box has a first suction channel that extends in the interior of the roll essentially along the axis of the suction roll. The suction box also has a second suction channel that extends in the interior of the roll along the inner surface of the suction roll jacket and is delimited by seals. The first suction channel is connected to the second suction channel via at least one connecting channel.
    • 用于使纤维网脱水的抽吸辊,在吸辊的内部具有可旋转和穿孔的抽吸辊护套和抽吸箱。 抽吸箱具有第一抽吸通道,其基本上沿着抽吸辊的轴线在辊的内部延伸。 抽吸箱还具有第二抽吸通道,其沿着抽吸辊套的内表面在辊的内部延伸并且由密封件限定。 第一抽吸通道经由至少一个连接通道连接到第二抽吸通道。