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    • 6. 发明授权
    • Method of purifying aquarium water using a pressurized, tank mounted,
fluidized bed filter
    • 使用加压的罐式流化床过滤器净化水族箱水的方法
    • US5879567A
    • 1999-03-09
    • US783528
    • 1997-01-14
    • Mark B. Robertson
    • Mark B. Robertson
    • A01K63/04B01D24/36C02F3/12
    • C02F3/085A01K63/045B01D24/36Y02W10/15
    • A fluidized bed filter is described and claimed. The filter is exemplified for use in an aquaculture system under hydraulic pressure. A preferred embodiment of the filter of the subject invention comprises a closed cylinder having an inlet port and an outlet port at or near one end. Water is pumped into the inlet port and through a hollow delivery tube positioned within the cylinder and ending a short distance from the closed end of the cylinder. The force of the water contacting the closed end of the cylinder causes the water to change direction drastically creating a flow pattern within the cylinder. This flow pattern exerts a force sufficient to fluidize filter medium within the cylinder. Filtered water escapes the system via the outlet port.
    • 描述和要求保护流化床过滤器。 该过滤器被示例用于在水压下的水产养殖系统中。 本发明的过滤器的优选实施例包括封闭的圆筒,其具有在一端处或附近的入口端口和出口端口。 水被泵入入口并通过位于气缸内的中空输送管,并且与气缸的封闭端结束很短的距离。 接触气缸闭合端的水的力导致水大幅度地改变方向,从而在气缸内产生流动模式。 该流动模式施加足以使过滤介质在气缸内流化的力。 过滤的水通过出口排出系统。