This project is a circulating filtration system of aquaculture water.Including: a water source treatment device,With: a temporary water inlet tank,One water inlet filter tank,One effluent temporary storage tank；The water inlet temporary storage tank is connected with the water inlet filter tank.The aquaculture water stored in the feed temporary storage tank is filtered by the feed filter tank.It can flow into the effluent temporary storage tank；A water suction device,To extract the culture water in the effluent temporary storage tank into a water storage tank；And a filter tank,A water inlet is arranged at the bottom of the filter tank.The upper part of the filter water tank is provided with a water outlet.The culture water enters the filter tank from the water inlet in a downward upward direction.After passing through the multi-layer filter material layer,And then flows out of the filter tank through the water outlet.本創作為一種養殖水循環過濾系統，包括：一水源處理裝置，具有：一進水暫存槽、一進水過濾槽、一出水暫存槽；該進水暫存槽和該進水過濾槽連接，該進水暫存槽內儲存的養殖水經由該進水過濾槽過濾後，能夠流動進入該出水暫存槽中；一汲水裝置，用以將該出水暫存槽內的養殖水抽取到一儲水槽中；及一過濾水槽，該過濾水槽底部具有一進水口，該過濾水槽上部具有一出水口，養殖水以由下往上的方向從該進水口進入該過濾水槽中，並通過多層過濾材料層後，再經由該出水口流出該過濾水槽。
