Novel cooling device for guiding bent pipes

The utility model relates to a novel cooling device for guiding bent pipes. A subsection guiding bent pipe comprises a front straight pipe, a rear straight pipe and a guiding bent pipe, the front straight pipe and the rear straight pipe are arranged at the front and rear ends of the subsection guiding bent pipe while the guiding bent pipe is arranged on a middle section of the subsection guiding bent pipe, the front straight pipe and the rear straight pipe are respectively in screw connection with front threads and rear threads on a cooler via threads, a front air inlet is disposed on the upper portion of a connection position of the front straight pipe with the guiding bent pipe, a front spray nozzle is disposed on the lower portion of the connection position, a cooling water inlet is arranged at a gap of a combination portion of the front straight pipe with the guiding bent pipe, a water inlet hole is arranged on the lower portion of the front end of the guiding bent pipe, a water and air mixer is in screw