The utility model discloses a drop
filtration device suitable for
aquaculture, including drop
filtration box, being equipped with filter plate in drop
filtration box, and the water outlet
pipe is laid on the filter plate top, and the water outlet
pipe passes through drop filtration box lateral wall and is connected with the water inlet
pipe, and the water inlet pipe is connected with the water pump, and the filter plate below is provided with the
grating, and the
grating is installed with the three -dimensional grid degassing filler, and the
grating below is laid with the air outlet pipe, and the air outlet pipe passes through drop filtration box lateral wall and is connected with the air inlet pipe, and the air inlet pipe is connected with the fan, and the drop filtration box top is equipped with the box cover, and the lateral wall is equipped with the exhaust port. The utility model discloses filter breeding water while can remove
carbon dioxide in the circulating
water body, and increase
oxygen.