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    Combination clarifier and storage tank
    24.
    发明授权
    Combination clarifier and storage tank 失效
    组合澄清池和储罐

    公开(公告)号：US3282425A

    公开(公告)日：1966-11-01

    申请号：US31112963

    申请日：1963-09-24

    申请人： DORR OLIVER INC

    发明人： WALTER CHRISTIANI

    IPC分类号： B01D21/00

    CPC分类号： B01D21/0018 ,  B01D21/2405 ,  B01D21/2427 ,  B01D21/2444 ,  B01D21/245 ,  B01D21/34 ,  Y10T137/86043

    摘要： 1,071,264. Settling tank. DORR-OLIVER Inc. Feb. 13, 1964 [Feb. 21, 1963], No. 7096/63. Heading B1D. A settling tank 10, having raking means 16 pushing solid sediment to outlet 17, has a vertically extending feedwell 11 into which liquor is introduced by conduit 12, the liquor descending under the lower end of feedwell 1 1 and being discharged into an outlet conduit 13, located well down in tank 10 to leave ample storage space for clarified liquor above normal discharge level so as to accommodate variations in influx and discharge of liquor. As shown, feedwell 11 extends to the top of the tank and itself forms storage space for unclarified influent liquor. In Fig. 2 (not shown) feedwell (11a) is closed at the top and extends only up to just above outlet 13. An emergency overflow 22 is supplied, and a plurality of discharge outlets and inlets may be provided at different levels and controlled by float valves, discharge being always from the highest outlet possible. Feedwell 11 and rake 16 are both suspended from top support 19, which carries the rake drive motor. The tank may be divided by partitions into a plurality of vertically spaced settling zones, each with a rake and solids discharge port and a clarified effluent outlet, all such outlets being connected to a common header leading from the common storage space above the uppermost zone and continuous therewith.