Eriocheir sinensis recirculating aquaculture device capable of controlling dissolved oxygen indoors

The utility model relates to the technical field of aquaculture equipment, and discloses an indoor dissolved oxygen controllable circulating aquaculture device for eriocheir sinensis, which comprises an aquaculture water tank, a circulating filtering mechanism and an oxygen dissolving mechanism, the circulating filtering mechanism comprises a water inlet pipe, a filter, a water outlet pipe and a circulating water pump; the water inlet pipe, the filter and the water outlet pipe form a water circulation loop with the culture water tank under the action of the circulating water pump; the oxygen dissolving mechanism comprises an oxygen generator and an inflation pipe, one end of the inflation pipe is connected with the oxygen generator, and the other end of the inflation pipe is connected into the water outlet pipe. The utility model solves the problems that excrement in a water tank of an existing eriocheir sinensis breeding device is not easy to clean and can only be cleaned by regularly changing water, so that