Hot-rolled steel pipe cooling device

The utility model relates to a hot-rolled steel pipe cooling device, and belongs to the field of metal rolling equipment, the hot-rolled steel pipe cooling device comprises a conveying track and a cooling chamber, the conveying track penetrates through the cooling chamber, the cooling chamber is provided with a cooling air pipe and a refrigeration chamber, the pipe orifice of the cooling air pipe faces the conveying track, the refrigeration chamber is provided with a refrigeration water pipe, and the refrigeration water pipe faces the conveying track. The cooling air pipe penetrates through the refrigeration chamber, and a pipe opening of the refrigeration water pipe faces the interior of the refrigeration chamber and faces the pipe wall of the cooling air pipe. The hot-rolled steel pipe is cooled in an air cooling mode, cooling water heat exchange is conducted on the cooling air pipe before air flow enters the cooling chamber so that the cooling air pipe can be cooled, direct contact between liquid cooling w