Carbon steel reinforced stainless steel structure spiral welded pipe

• Main Author: QU ZHAOFENG
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR DAMPING VIBRATION; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SHOCK-ABSORBERS; SPRINGS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a carbon steel reinforced stainless steel structure spiral welded pipe, which relates to the technical field of spiral welded pipes and comprises a first outer welded pipe, a first connecting ring is fixedly arranged at one end of the first outer welded pipe, a connecting screw rod is arranged at the top of one side of the first connecting ring, and a fixing nut is arranged on the outer surface of the connecting screw rod. A second connecting ring is fixedly arranged at the other end of the first outer welding pipe, and a connecting through hole matched with the connecting screw rod is formed in the surface of the second connecting ring. According to the carbon steel reinforced stainless steel structure spiral welded pipe, the first connecting ring, the second connecting ring, the third connecting ring, the fourth connecting ring, the connecting screw rods, the connecting through holes and the fixing nuts are used in cooperation, so that the first outer welded pipe and the second o