U-shaped water circulation cooling device

The utility model relates to a U-shaped water circulation cooling device. The U-shaped water circulation cooling device comprises a cooling device body, cooling fins arranged on the cooling device body, a first pipe connected to the cooling device body and a second pipe connected to the cooling device body. A first groove and a second groove are formed in the cooling device; the first pipe is connected with the first groove; the second pipe is connected with the second groove; the first pipe and the second pipe are oppositely arranged; cooling grooves are formed in the cooling fins; a baffle is arranged in the middle of the cooling tank; the baffle is located between the first groove and the second groove. A gap is reserved between one end of the baffle and the cooling tank; liquid is injected into the first pipe, passes through the first groove and then flows into the cooling fins, flows into the gap from the upper portion of the baffle, then flows into the lower portion of the baffle and flows into the seco