油管缩径管段腐蚀行为与流体动力学参数的相关性
Correlation between Corrosion Behavior and Fluid Dynamic Parameters of Contraction Segment of Pipeline
摘 要
以N80油管缩径段为研究对象，采用阵列电极技术在环路装置中进行流动加速腐蚀试验，结合电化学测试、表面形貌分析和流体动力学模拟，研究缩径段不同位置的腐蚀行为，并探讨腐蚀行为与流体动力学参数的相关性。结果表明：缩径段不同位置的腐蚀速率有很大的变化；缩径段存在明显的流动加速腐蚀现象，其腐蚀速率与非缩径段存在显著差异；缩径段的腐蚀速率分布与流体力学参数特征分布存在显著相关性，即腐蚀速率越低的位置，流速和壁面剪切应力越小，反之亦然。
流体动力学
腐蚀
缩径管段
array electrode technique
fluid dynamics
corrosion
contraction segment of pipeline
Abstract
Flow accelerated corrosion test was conducted in a loop system for contraction segment of N80 pipeline using array electrode technique. Through electrochemical test, surface morphology analysis and fluid dynamic simulation, the corrosion behavior at different locations of contraction segment was studied, and the correlation between corrosion behavior and fluid dynamic parameters was also clarified. The results show that the corrosion rates of different locations on the contraction segment varied greatly. There was a clear flow acceleration corrosion phenomenon in the contraction segment, and the corrosion rate of the contraction segment was obviously different from that of common segment. The corrosion rate distribution was in good accordance with the distribution of fluid dynamic parameters on the contraction segment, that is, the lower the corrosion rate, the lower the velocity and the smaller the wall shear stress, and vice versa.
中图分类号 TE21 DOI 10.11973/fsyfh-202108003
所属栏目 试验研究
基金项目 四川省应用基础研究（2017JY0171）
收稿日期 2019/9/16
修改稿日期
网络出版日期
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引用该论文: SHANG Tan,ZHONG Xiankang,HU Junying. Correlation between Corrosion Behavior and Fluid Dynamic Parameters of Contraction Segment of Pipeline[J]. Corrosion & Protection, 2021, 42(8): 13
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参考文献
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【24】雍兴跃,林玉珍,刘景军,等. 碳钢在管流体系中的流动腐蚀动力学模型[J]. 化工学报,2002,53(7):680-684.
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【32】RAJAHRAM S S,HARVEY T J,WOOD R J K. Erosion-corrosion resistance of engineering materials in various test conditions[J]. Wear,2009,267(1/2/3/4):244-254.
【33】BARMATOV E,HUGHES T L. Effect of corrosion products and turbulent flow on inhibition efficiency of propargyl alcohol on AISI 1018 mild carbon steel in 4 M hydrochloric acid[J]. Corrosion Science,2017,123:170-181.
【34】POJTANABUNTOENG T,SALASI M. An electrochemical study of carbon steel CO2 corrosion in the presence of monoethylene glycol:The effects of pH and hydrodynamic conditions[J]. Electrochimica Acta,2017,258:442-452.
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【36】LOTZ U,POSTLETHWAITE J. Erosion-corrosion in disturbed two phase liquid/particle flow[J]. Corrosion Science,1990,30(1):95-106.
【37】MALKA R,NESIC S,GULINO D A. Erosion-corrosion and synergistic effects in disturbed liquid-particle flow[J]. Wear,2007,262(7/8):791-799.
【38】ZENG L,ZHANG G A,GUO X P. Erosion-corrosion at different locations of X65 carbon steel elbow[J]. Corrosion Science,2014,85:318-330.
【39】ZHANG G A,CHENG Y F. On the fundamentals of electrochemical corrosion of X65 steel in CO2-containing formation water in the presence of acetic acid in petroleum production[J]. Corrosion Science,2009,51(1):87-94.
【2】CHAAL L,ALBINET B,DESLOUIS C,et al. Wall shear stress mapping in the rotating cage geometry and evaluation of drag reduction efficiency using an electrochemical method[J]. Corrosion Science,2009,51(8):1809-1816.
【3】LU B T,LU J F,LUO J L. Erosion-corrosion of carbon steel in simulated tailing slurries[J]. Corrosion Science,2011,53(3):1000-1008.
【4】POSTLETHWAITE J. Effect of chromate inhibitor on the mechanical and electrochemical components of erosion-corrosion in aqueous slurries of sand[J]. Corrosion,1981,37(1):1-5.
【5】POSTLETHWAITE J,TINKER E B,HAWRYLAK M W. Erosion-corrosion in slurry pipelines[J]. CORROSION,1974,30(8):285-290.
【6】POSTLETHWAITE J,DOBBIN M H,BERGEVIN K. The role of oxygen mass transfer in the erosion-corrosion of slurry pipelines[J]. Corrosion,1986,42(9):514-521.
【7】POSTLETHWAITE J,LOTZ U. Mass transfer at erosion-corrosion roughened surfaces[J]. The Canadian Journal of Chemical Engineering,1988,66(1):75-78.
【8】POSTLETHWAITE J,NEŠIC S,ADAMOPOULOS G,et al. Predictive models for erosion-corrosion under disturbed flow conditions[J]. Corrosion Science,1993,35(1/2/3/4):627-633.
【9】NESIC S,POSTLETHWAITE J. Relationship between the structure of disturbed flow and erosion-corrosion[J]. Corrosion,1990,46(11):874-880.
【10】NESIC S,POSTLETHWAITE J,OLSEN S. An electrochemical model for prediction of corrosion of mild steel in aqueous carbon dioxide solutions[J]. Corrosion,1996,52(4):280-294.
【11】NESIC S,POSTLETHWAITE J. A predictive model for localized erosion-corrosion[J]. Corrosion,1991,47(8):582-589.
【12】RAJAHRAM S S,HARVEY T J,WOOD R J K. Erosion-corrosion resistance of engineering materials in various test conditions[J]. Wear,2009,267(1/2/3/4):244-254.
【13】NEVILLE A,HODGKIESS T,DALLAS J T. A study of the erosion-corrosion behaviour of engineering steels for marine pumping applications[J]. Wear,1995,186/187:497-507.
【14】ZHANG G A,XU L Y,CHENG Y F. Investigation of erosion-corrosion of 3003 aluminum alloy in ethylene glycol-water solution by impingement jet system[J]. Corrosion Science,2009,51(2):283-290.
【15】LU B T,LUO J L,CHIOVELLI S. Corrosion and wear resistance of chrome white irons—a correlation to their composition and microstructure[J]. Metallurgical and Materials Transactions A,2006,37(10):3029-3038.
【16】ZHENG Z B,ZHENG Y G,ZHOU X,et al. Determination of the critical flow velocities for erosion-corrosion of passive materials under impingement by NaCl solution containing sand[J]. Corrosion Science,2014,88:187-196.
【17】WANG Y,ZHENG Y G,KE W,et al. Slurry erosion-corrosion behaviour of high-velocity oxy-fuel (HVOF) sprayed Fe-based amorphous metallic coatings for marine pump in sand-containing NaCl solutions[J]. Corrosion Science,2011,53(10):3177-3185.
【18】ZHENG Y G,LUO S Z,KE W. Cavitation erosion-corrosion behaviour of CrMnB stainless overlay and 0Cr13Ni5Mo stainless steel in 0.5 M NaCl and 0.5 M HCL solutions[J]. Tribology International,2008,41(12):1181-1189.
【19】张安峰,王豫跃,邢建东. 不锈钢与碳钢在液固两相流中冲刷腐蚀特性的研究[J]. 兵器材料科学与工程,2003,26(2):36-39,62.
【20】雍兴跃,刘景军,林玉珍. 金属在流动氯化物体系中流动腐蚀的EIS研究[J]. 金属学报,2005,41(8):871-875.
【21】雍兴跃,刘景军,林玉珍. 流动腐蚀介质中双相不锈钢的电化学阻抗谱[J]. 化工学报,2003,54(12):1713-1718.
【22】雍兴跃,张雅琴,李栋梁,等. 近壁处流体力学参数对流动腐蚀的影响[J]. 腐蚀科学与防护技术,2011,23(3):245-250.
【23】雍兴跃,刘景军,林玉珍,等. 热处理与加工成型工艺对双相不锈钢流动腐蚀的影响[J]. 化工机械,2003,30(1):5-9.
【24】雍兴跃,林玉珍,刘景军,等. 碳钢在管流体系中的流动腐蚀动力学模型[J]. 化工学报,2002,53(7):680-684.
【25】雍兴跃,林玉珍,刘景军,等. 双相不锈钢在管流系统中的流动腐蚀动力学模型[J]. 化工学报,2002,53(8):787-792.
【26】LÓPEZ D,ALONSO FALLEIROS N,PAULO TSCHIPTSCHIN A. Effect of nitrogen on the corrosion-erosion synergism in an austenitic stainless steel[J]. Tribology International,2011,44(5):610-616.
【27】ZHAO Y L,ZHOU F,YAO J,et al. Erosion-corrosion behavior and corrosion resistance of AISI 316 stainless steel in flow jet impingement[J]. Wear,2015,328/329:464-474.
【28】SASAKI K,BURSTEIN G T. Erosion-corrosion of stainless steel under impingement by a fluid jet[J]. Corrosion Science,2007,49(1):92-102.
【29】CHEN L,BAI S L,GE Y Y,et al. Erosion-corrosion behavior and electrochemical performance of Hastelloy C22 coatings under impingement[J]. Applied Surface Science,2018,456:985-998.
【30】WALSH F C,KEAR G,NAHLé A H,et al. The rotating cylinder electrode for studies of corrosion engineering and protection of metals—An illustrated review[J]. Corrosion Science,2017,123:1-20.
【31】BARMATOV E,HUGHES T,NAGL M. Efficiency of film-forming corrosion inhibitors in strong hydrochloric acid under laminar and turbulent flow conditions[J]. Corrosion Science,2015,92:85-94.
【32】RAJAHRAM S S,HARVEY T J,WOOD R J K. Erosion-corrosion resistance of engineering materials in various test conditions[J]. Wear,2009,267(1/2/3/4):244-254.
【33】BARMATOV E,HUGHES T L. Effect of corrosion products and turbulent flow on inhibition efficiency of propargyl alcohol on AISI 1018 mild carbon steel in 4 M hydrochloric acid[J]. Corrosion Science,2017,123:170-181.
【34】POJTANABUNTOENG T,SALASI M. An electrochemical study of carbon steel CO2 corrosion in the presence of monoethylene glycol:The effects of pH and hydrodynamic conditions[J]. Electrochimica Acta,2017,258:442-452.
【35】ZHANG G A,ZENG L,HUANG H L,et al. A study of flow accelerated corrosion at elbow of carbon steel pipeline by array electrode and computational fluid dynamics simulation[J]. Corrosion Science,2013,77:334-341.
【36】LOTZ U,POSTLETHWAITE J. Erosion-corrosion in disturbed two phase liquid/particle flow[J]. Corrosion Science,1990,30(1):95-106.
【37】MALKA R,NESIC S,GULINO D A. Erosion-corrosion and synergistic effects in disturbed liquid-particle flow[J]. Wear,2007,262(7/8):791-799.
【38】ZENG L,ZHANG G A,GUO X P. Erosion-corrosion at different locations of X65 carbon steel elbow[J]. Corrosion Science,2014,85:318-330.
【39】ZHANG G A,CHENG Y F. On the fundamentals of electrochemical corrosion of X65 steel in CO2-containing formation water in the presence of acetic acid in petroleum production[J]. Corrosion Science,2009,51(1):87-94.
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