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    • 4. 发明授权
    • Variable volume filter or concentrator
    • 可变体积过滤器或浓缩器
    • US4793932A
    • 1988-12-27
    • US10089
    • 1986-12-05
    • Douglas L. FordClinton V. Kopp
    • Douglas L. FordClinton V. Kopp
    • B01D63/02B01D63/00B01D65/02B01D13/01
    • B01D63/02B01D65/02B01D2201/186B01D2313/02B01D2313/48B01D2321/18
    • A concentrator for concentrating the fine solids of a liquid feed suspension has a shell within which there is a bundle of microporous fibers. Pressurized feed suspension is introduced through an inlet and passes over the external walls of the fibers with the clarified liquid being drawn from the lumens of the fibers and the concentrated feed being discharged through an outlet. The solids retained within the shell are removed by first applying a pressurized liquid and then applying a gas at a pressure sufficient to ensure that the gas will pass through the larger pores of the fibrs to remove the solids from the shell through the outlet to an external collection point. The fibers are enclosed within a variable volume diaphragm located within a diaphragm holder by spaced plugs. The volume of the diaphragm is altered by varying the pressure of a fluid introduced through the inlet to the space between the diaphragm and the diaphragm holder.
    • PCT No.PCT / AU86 / 00085 Sec。 371日期1986年12月5日第 102(e)日期1986年12月5日PCT申请日1986年4月4日PCT公布。 出版物WO86 / 05997 日期为1986年10月23日。用于浓缩液体进料悬浮液的细固体的浓缩器具有壳,其中存在一束微孔纤维。 加压进料悬浮液通过入口引入并通过纤维的外壁,澄清的液体从纤维的内腔抽出,浓缩的进料通过出口排出。 保留在壳体内的固体通过首先施加加压液体而除去,然后施加足够的压力的气体,以确保气体将通过原纤维的较大孔,以通过出口将外部固体从壳体移除到外部 收集点。 纤维通过间隔开的塞子封闭在位于隔膜支架内的可变体积隔膜中。 通过将通过入口引入的流体的压力改变到隔膜和隔膜支架之间的空间来改变隔膜的体积。