Double-layer corrugated pipe structure

The utility model discloses a double-layer corrugated pipe structure which comprises a first corrugated pipe and a second corrugated pipe arranged on the outer side of the first corrugated pipe, connectors are arranged at the two ends of the first corrugated pipe, and sealing flanges are arranged on...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG JIAN, WANG SHUANGGE, SHAO JUN, WANG HUI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	The utility model discloses a double-layer corrugated pipe structure which comprises a first corrugated pipe and a second corrugated pipe arranged on the outer side of the first corrugated pipe, connectors are arranged at the two ends of the first corrugated pipe, and sealing flanges are arranged on the outer sides of the connectors. A cavity is formed between the first corrugated pipe and the second corrugated pipe, a waterproof assembly is arranged on the inner side of the first corrugated pipe, a first corrosion-resistant layer is arranged on the outer side of the waterproof assembly, reinforcing ribs are arranged on the outer side wall of the first corrugated pipe, and a fireproof assembly is arranged on the inner side wall of the second corrugated pipe. And supporting rings which are evenly distributed are arranged on the outer side of the fireproof assembly, and a second corrosion-resistant layer is arranged on the outer side wall of the second corrugated pipe. The double-layer corrugated pipe structure