Steel pipe machining equipment for photo-thermal heat collecting pipe

The utility model discloses photo-thermal heat collecting pipe steel pipe machining equipment which comprises a steel pipe polishing machine, an ultrasonic cleaning machine, a vacuum degassing nitriding furnace, a flushing machine and a drying machine, a circulating material receiving machine is arranged at the discharging end of the steel pipe polishing machine, and the circulating material receiving machine comprises a discharging conveyor, a return conveyor and a plurality of movable bearing frames. The flushing machine is erected at the middle section position of the discharging conveyor, the discharging conveyor is arranged opposite to a feeding port of the ultrasonic cleaning machine and the return conveyor, a discharging port of the ultrasonic cleaning machine is arranged opposite to the drying machine, and a first air drying part, a wiping part and a second air drying part are sequentially arranged in the drying machine; and a discharging frame is arranged between the drying machine and the vacuum deg