在线测厚腐蚀监测技术在石油化工装置的应用

doi:10.3969/j.issn.1006-8805.2022.02.008

Petro-chemical Equipment Technology ›› 2022, Vol. 43 ›› Issue (2): 37-42.doi: 10.3969/j.issn.1006-8805.2022.02.008

• CONDITION MONITORING AND ANALYSIS • Previous Articles

Application of Online Thickness Measurement and Corrosion Monitoring Technology in Petrochemical Plants

Ma Hongjie¹, Li Guangzhan², Shan Guocheng², Zhang Wenze¹, Xue Hongyan¹

1. Research Institute of PetroChina Dushanzi Petrochemical Company, Dushanzi, Xinjiang, 833699;
2. Refinery of PetroChina Dushanzi Petrochemical Company, Dushanzi, Xinjiang, 833699

Received:2020-12-18 Revised:2021-12-12 Accepted:2022-02-28 Online:2022-03-15 Published:2022-03-15

Abstract

Abstract: In order to effectively make up for the limitations of traditional corrosion monitoring technology such as probe monitoring, corrosion coupon monitoring and offline thickness monitoring, a petrochemical company introduced online ultrasonic thickness measurement and corrosion monitoring technology in the plant with more serious corrosion. The technology has the advantages of being applicable to high-temperature pipeline thickness measurement, flexible and convenient installation, cost savings and so forth. Application results show that the online thickness measurement and corrosion monitoring technology is stable and reliable with accurate data; the comparison error with offline thickness measurement data is no more than 6%. This technology can monitor the remaining wall thickness of the pipelines accurately, reflect the corrosion change trends truly, detect corrosion hazards timely and prevent corrosion events. Therefore, it will become a new technology widely used in corrosion monitoring in petrochemical plants in the future.

Key words: online thickness measurement, corrosion monitoring, petrochemical plant, piping

Ma Hongjie, Li Guangzhan, Shan Guocheng, Zhang Wenze, Xue Hongyan. Application of Online Thickness Measurement and Corrosion Monitoring Technology in Petrochemical Plants[J].Petro-chemical Equipment Technology, 2022, 43(2): 37-42.

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Application of Online Thickness Measurement and Corrosion Monitoring Technology in Petrochemical Plants

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