Six-layer aquaculture device and use method thereof

The invention relates to the technical field of aquaculture, in particular to a six-layer aquaculture device and a using method thereof. The six-layer aquaculture device comprises six water tanks, a precipitation device, a filtering device, a circulating device and a disinfection device. The supporting columns are fixedly connected between the water tanks, and the circulating device is installed on the left sides of the water tanks; a filtering device is arranged at the bottom end of the upper right part of the circulating device and fixedly connected with the water tank, a sterilizing device is installed on the inner side of the upper right end of the circulating device, a settling device is installed on the inner side of the right end of the water tank, the bottom end of the settling device is fixedly connected with the upper right end of the water tank, and the lower right end of the circulating device communicates with a blow-off pipe. By means of the arranged filtering device, food residues, excrement, c