Journal article
Failure analysis of gas pipeline in a gas collecting station
Material Science, Engineering and Applicatio, Vol.1(2), pp.62-69
12/23/2021
DOI: 10.21595/msea.2021.22283
Abstract
The gas collecting line of a gas collecting station failed and had obvious corrosion pits. The failure reasons of the pipeline in this section are studied by means of macroscopic morphology analysis, mechanical property analysis, hardness analysis and microstructure analysis. The results show that the main reason is the mechanical damage caused in the construction process for the damage of the anticorrosive coating on the outer surface of the pipe section. The main reason for the failure of “corrosion pit” inside the pipe section is that the wet gas transported contains CO2, which dissolves in water to generate H2CO3, and the pipe section is corroded in H2CO3 solution by electrochemical corrosion, which gradually develops into a more serious corrosion pit. In order to prevent the occurrence of such failure, 13Cr (martensite) material can be used to meet the corrosion resistance requirements, but also can appropriately increase the gas temperature in the tube to reduce the solubility of CO2 in water to prevent corrosion.
Details
- Title: Subtitle
- Failure analysis of gas pipeline in a gas collecting station
- Creators
- Yong ChenHaochen WuJichuan LiYanjun Chen
- Resource Type
- Journal article
- Publication Details
- Material Science, Engineering and Applicatio, Vol.1(2), pp.62-69
- DOI
- 10.21595/msea.2021.22283
- ISSN
- 2669-2570
- eISSN
- 2669-2570
- Language
- English
- Date published
- 12/23/2021
- Academic Unit
- Industrial and Systems Engineering
- Record Identifier
- 9984203159602771
Metrics
19 Record Views