304L不锈钢在贫胺液换热器上的耐蚀性研究

doi:10.3969/j.issn.1006-8805.2024.05.007

Petro-chemical Equipment Technology ›› 2024, Vol. 45 ›› Issue (5): 32-35,40.doi: 10.3969/j.issn.1006-8805.2024.05.007

• CORRODION AND PROTECTION • Previous Articles

On Corrosion Resistance of 304L Stainless Steel in Heat Exchanger with Lean Amine Solution

Tian Fangyong¹, Yin Qiling², Zhu Jun¹, Chen Long²

1. Research Institute of Petroleum Engineering Technology, SINOPEC Zhongyuan Oilfield Company, Puyang, Henan, 457001;
2. Puguang Branch of SINOPEC Zhongyuan Oilfield Company,Dazhou, Sichuan, 636156

Received:2024-06-10 Accepted:2024-08-30 Online:2024-09-15 Published:2024-11-08
Contact: Zhu Jun E-mail:tianfangyong@163.com

Abstract

Abstract: Carbon steel amine heat exchangers are often used in the design of most domestic natural gas purification plants, yet corrosion damage is often encountered in actual operation. Therefore, more and more enterprises begin to adopt stainless steel tube bundle heat exchangers. The pitting corrosion and stress corrosion cracking (SCC) susceptibility of 304L stainless steel in alkaline environment with high sulfur and chloramine content were studied through experiments. The applicability and safety of the material are verified under the operating conditions of the heat exchanger with lean amine solution. This provides an effective basis for the rational control of the use-cost of heat exchange equipment materials in high sulfursour gasfields.

Key words: 304L stainless steel, MDEA, lean amine solution, heat exchanger, pitting, stress corrosion

Tian Fangyong, Yin Qiling, Zhu Jun, Chen Long. On Corrosion Resistance of 304L Stainless Steel in Heat Exchanger with Lean Amine Solution[J].Petro-chemical Equipment Technology, 2024, 45(5): 32-35,40.

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On Corrosion Resistance of 304L Stainless Steel in Heat Exchanger with Lean Amine Solution

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