Title:
COMPOSITE PIPE FOR DELIVERING SMALL-MOLECULE GAS
Document Type and Number:
WIPO Patent Application WO/2023/173602
Kind Code:
A1
Abstract:
Provided is a composite pipe for delivering a small-molecule gas. The composite pipe comprises a lining layer (1), a reinforcing layer (2) and an outer protection layer (3), which are sequentially arranged from inside to outside, wherein the lining layer (1) comprises a barrier layer (4), and the barrier layer (4) is made of a high-gas-barrier resin or a high-barrier resin alloy. According to the composite pipe for delivering a small-molecule gas, the high-gas-barrier resin or high-barrier resin alloy is adopted for a channel to deliver the small-molecule gas, thereby avoiding the problems of hydrogen-type corrosion such as hydrogen brittleness, hydrogen blisters and decarburization. In addition, the composite pipe has a high-gas-barrier and anti-permeation performance, and can effectively prevent the small-molecule gas from permeating and escaping from same.
Inventors:
YAN ZHIQIANG (CN)
ZHAO SHAODONG (CN)
ZHU YUANYUAN (CN)
NIU MINGCHANG (CN)
CHEN JIANGHUA (CN)
LIN HAO (CN)
ZHAO SHAODONG (CN)
ZHU YUANYUAN (CN)
NIU MINGCHANG (CN)
CHEN JIANGHUA (CN)
LIN HAO (CN)
Application Number:
PCT/CN2022/097348
Publication Date:
September 21, 2023
Filing Date:
June 07, 2022
Export Citation:
Assignee:
JIANGSU ZHENGDAO OCEAN TECH CO LTD (CN)
International Classes:
F16L9/12; F16L9/14; F16L9/16
Foreign References:
| CN111765300A | 2020-10-13 | |||
| JP2008248995A | 2008-10-16 | |||
| CN104235531A | 2014-12-24 | |||
| CN103851274A | 2014-06-11 | |||
| CN107163356A | 2017-09-15 | |||
| CN101845185A | 2010-09-29 |
Attorney, Agent or Firm:
ZHUSEN INTELLECTUAL PROPERTY AGENCY OFFICE (CN)
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