The utility model relates to a ultrafiltration algal water fluid filtering device, which is especially applied to the cultivation of Corbicula golden, comprising a bracket, three or more filter screens and a plurality of filter bags. The bracket is installed in a pipeline for supplying algal water, one end of the bracket is provided with an inlet, the other end is provided with an outlet, the algal water enters from the inlet and is discharged from the outlet, and the filter screen is arranged between the inlet and the outlet. The filter bag is arranged between any two adjacent filter screens, and the filter material is arranged in the filter bag.一種超濾性藻水流體過濾裝置，特別是應用在黃金蜆的養殖上，其包含一支架、三個以上之過濾網及複數個濾袋，支架是供安裝在一供應藻水的管路中，支架之一端設有一進口，另一端設有一出口，藻水由進口進入，由出口排出，過濾網則是設於進口及出口之間，濾袋則是設於相鄰任二過濾網之間，濾袋內設有濾材。
