High-temperature-resistant air pipe

• Main Authors: WU JIAWEI, WANG SHOUBIN, WANG SHIHAO
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2024
• 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 THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses a high-temperature-resistant air pipe, and belongs to the technical field of ventilation pipelines. The fireproof pipe comprises an inner-layer pipe, a middle fireproof layer and an outer-layer pipe, the inner-layer pipe adopts an inserting structure at the corner to realize interface fixation; a fireproof area is arranged between the inner-layer pipe and the outer-layer pipe, and the fireproof area is filled with the middle fireproof layer; an inner-layer flange and an outer-layer flange are arranged at the end of the inner-layer pipe and the end of the outer-layer pipe, the inner-layer flange wraps the inner wall of the inner-layer pipe and the outer wall of the outer-layer pipe, and the outer-layer flange wraps the extrusion edge of the inner-layer flange and then is combined with the outer wall of the outer-layer pipe into a whole. By means of the structure, the fireproof material is arranged in the air pipe and installed in a factory in a standardized mode, the operation quali