Microbubble circulating water tank

The utility model discloses a microbubble circulating water tank, which relates to the technical field of water tanks and comprises a water tank main body, the top of the water tank main body is fixedly connected with a cover plate, one side of the water tank main body is connected with a micro-nano bubble system in a penetrating manner, one side of the micro-nano bubble system is movably connected with a connecting pipe, and the other side of the micro-nano bubble system is connected with a water inlet pipe. One side of the connecting pipe is fixedly connected with a processing box, the other side of the water tank main body is fixedly connected with a recycling system, one side of the recycling system is fixedly connected with a conveying pipe, and a water leakage pipe is arranged at the bottom of the water tank main body. Under the action of the treatment box, the recovery system and the conveying pipe, the device can complete a cyclic utilization system, used sewage can be conveyed back to the interior of