E3S Web Conf.
Volume 341, 20222022 7th International Conference on Green Materials and Environmental Engineering (GMEE2022)
|Number of page(s)||6|
|Published online||31 January 2022|
Study on influencing factors and monitoring cycle of wall thickness at key locations of natural gas station
PipeChina Southwest Pipeline Company, China
* Corresponding author: firstname.lastname@example.org
In recent years, the safe and stable operation of natural gas pipeline has become the focus of the whole society. Long distance natural gas pipelines are mostly large-diameter and high pressure pipelines, so their safe operation is particularly critical. In the high-pressure natural gas pipeline transportation industry, the wall thickness of key points (elbows and tees) will be thinned due to long-term erosion of gas, resulting in serious consequences. Therefore, its wall thickness monitoring is a key work of long-distance natural gas pipeline operation units. At present, most of them adopt off-line monitoring, but the standardized monitoring cycle cannot be effectively determined, and there are no relevant standards in the industry. The author uses fluent simulation software to establish the model, and then modifies the model combined with the field data. Then, the model is used to analyze the influencing factors of key points (elbow and TEE) one by one, and select more important influencing factors to formulate the monitoring cycle of different points. The monitoring cycle can provide reference for the daily work of on-site operators, and then ensure the safe and stable operation of long-distance natural gas pipeline.
Key words: Long distance natural gas pipeline / Influencing factors / Wall thickness / Monitoring cycle / Elbow / Tee
© The Authors, published by EDP Sciences, 2022
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