Aquaculture water treatment and recycling equipment for aquatic product sales grade

The utility model relates to the technical field of aquatic product sale port reuse water treatment and aquaculture tail water treatment, in particular to aquatic product sale port aquaculture water treatment and reuse equipment which comprises a fishpond, a water pump, a fan, a biological fluidized bed, an ozone machine, a one-way valve, a pipeline mixer, a filter, a filter material and a refrigerator which are sequentially connected. The system is characterized in that after the reuse water treatment machine and the water inlet valve are opened, the pipeline pump, the fan and the refrigerating machine can be automatically started, aquaculture water enters the biological fluidized bed, and pollutants in the water are removed by organisms; the ozone machine of the reuse water treatment machine can be automatically started when passing water exists, ozone is added into the passing water through the one-way valve and the pipeline mixer, the ozone is fully mixed with the passing water, and the disinfection and s