• 专利标题:   Three-layer pipeline, has first layer pipeline sleeved on second layer pipeline, and third layer pipeline formed with multiple arc-shaped cavities that are filled with steel material, where first layer pipeline is fixed with triangular reinforcing rod.
  • 专利号:   CN213745307-U
  • 发明人:   WANG M, WANG G
  • 专利权人:   FISPTE HANGZHOU PIPELINE TECHNOLOGY CO
  • 国际专利分类:   F16L009/14
  • 专利详细信息:   CN213745307-U 20 Jul 2021 F16L-009/14 202163 Pages: 5 Chinese
  • 申请详细信息:   CN213745307-U CN22592266 10 Nov 2020
  • 优先权号:   CN22592266

▎ 摘  要

NOVELTY - The utility model claims a three-layer pipeline with high graphene intensity, comprising a first layer pipeline, a second layer pipeline and a third layer pipeline, the first layer pipeline is sleeved on the second layer pipeline, the second layer pipeline is sleeved on the third layer pipeline, the first layer pipeline; the cross sections of the second layer pipeline and the third layer pipeline are annular and concentrically set; the first layer pipeline and the second layer pipeline are connected by glue; the first layer pipeline; the second layer pipeline and the third layer pipeline are provided with multiple cavities; the cavity is filled with steel material; the first layer pipeline is fixed with a triangular reinforcing rod; it has high pipeline strength.