China University of Petroleum

China Merchants Heavy Industry (Jiangsu) Co., Ltd.

China Merchants Marine and Offshore Research Institute Co., Ltd.

Qiong Zhou

Lixin Xu

Hui Cao

Jiancheng Liu

Xiaoyu Meng

Chuanbo Cong

Qinjing Guo

A nonmetallic flexible pipe and a manufacturing method thereof. The nonmetallic flexible pipe comprises, from the inside to the outside, an inner liner, a pressure bearing layer, an isolation layer, a tensile layer, a functional layer, and a protective layer, wherein two adjacent layers are non-rigidly bonded. The inner liner layer is made from a thermoplastic polymer. The pressure bearing layer is made from a fiber-reinforced resin-based composite material. The isolation layer is made from a thermoplastic polymer. The tensile layer is made from a resin-reinforced fiber material. At least one of an optical fiber, a cable, a tracing ribbon, a pipe for conveying a heat transfer medium, a pressure sensor, and a temperature sensor is provided in the functional layer. The protective layer is made from a thermoplastic polymer.

Non-metallic flexible pipe and manufacturing method thereof

Growing community of inventors

Beijing, China

Qiong Zhou