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    • 6. 发明公开
    • 침사 분리 설비
    • SAND SEDIMENTATION分离装置
    • KR1020090086245A
    • 2009-08-11
    • KR1020097011691
    • 2007-11-05
    • 마에자와고교 가부시키가이샤
    • 코다카,시로우아리마츠,나루토한다,요시카즈
    • B01D21/01B01D21/26B03B5/28C02F1/52
    • B03B5/32B01D21/0042B01D21/01B01D21/2411B01D21/2427B01D21/2444B01D21/2461B01D21/26B03B5/34C02F1/006C02F1/38C02F2001/007C02F2301/024C02F2301/026C02F2301/08C02F2303/24
    • Coarse sand grains and fine sand grains in a raw water are separately removed from the beginning and are efficiently separated from the raw water. Two sand sedimentation separation tanks (10) and (20) are disposed upstream and downstream, respectively, in the flow of a raw water. Each sand sedimentation separation tank has, in an upper part thereof, a separator (11) or (21) where a raw water is caused to flow through a spiral channel (13) or spiral channels (23A) and (23B) to thereby separate sand grains from the raw water by the action of centrifugal force and gravity. Each separation tank further has, in a lower part thereof, an accumulator (12) or (22) where the sand grains separated with the separator are settled and accumulated. The separator of the upstream-side sand sedimentation separation tank has a constitution in which coarse sand grains are separated by causing a raw water to flow through the spiral channel at a high velocity. The separator of the downstream-side sand sedimentation separation tank has a constitution in which fine sand grains are separated by causing the raw water to flow through the spiral channels at a lower velocity than in the separator of the upstream-side sand sedimentation separation tank. ® KIPO & WIPO 2009
    • 原始水中的粗砂粒和细砂粒从一开始就分开除去,并与原水有效分离。 两个沉淀沉淀分离罐(10)和(20)分别设置在原水流的上游和下游。 每个砂沉淀分离罐的上部分别具有分离器(11)或(21),其中使原水流过螺旋通道(13)或螺旋通道(23A)和(23B),从而分离 来自原水的砂粒通过离心力和重力的作用。 每个分离罐在其下部还具有一个储存器(12)或(22),其中与分离器分离的砂粒被沉降和堆积。 上游侧砂沉降分离罐的分离器具有通过使原水以高速流过螺旋通道而分离粗砂粒的构造。 下游侧砂沉降分离罐的隔板具有通过使原水以比上游侧沉降分离槽的隔板低的速度流过螺旋槽的方式分离细砂粒的结构。 ®KIPO&WIPO 2009