抗H2S腐蚀性能试验中的一种慢速通气方法
A Kind of Slow Aerated Method for H2S Corrosin Resistance Performance Test
摘 要
在依据NACE TM0177-2005中的A法进行硫化物应力腐蚀(SSC-A)试验和NACE TM0284-2011进行氢致开裂(HIC)试验时,提出了一种慢速通气方法,并采用碘量滴定法测定了溶液中H2S的质量浓度,同时对H2S在溶液中达到饱和的时间和H2S达到饱和时溶液的pH值进行了研究.结果表明:采用慢速通气法进行SSC-A试验和HIC试验分别比标准要求的快速通气方法每次试验可节约800 mL和1 695 mL H2S气体,大大降低了试验成本,减少了有毒气体H2S的排放,同时还可保证试验结果的可靠性和真实性.
氢致开裂试验
慢速通气法
H2S气体
sulfide stress corrosion test
hydrogen induced cracking test
slow aerated method
H2S gas
Abstract
A kind of slow aerated method was proposed when carrying out sulfide stress corrosion (SSC-A)test and hydrogen induced cracking (HIC)test according to the standard of NACE TM0177-2005 and NACE TM0284-2011 respectively,and iodometric method was used to measure the mass concentration of H2S in the solution.At the same time,the time of H2S reaching saturation and the pH value of the solution were studied.The results show that every SSC-A test and HIC test could save 800 mL and 1 695 mL H2S gas respectively after adopting slow aerated method compared to original fast aerated method required in NACE TM0177-2005 and NACE TM0284-2011.So slow aerated method can greatly reduce the test cost and emissions of toxic gas H2S,as well as ensure the reliability and authenticity of the test results.
中图分类号 TG174.3+1 DOI 10.11973/lhjy-wl201508011
所属栏目 试验技术与方法
基金项目
收稿日期 2015/6/5
修改稿日期
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备注郑秋艳(1982-),女,工程师,硕士.
引用该论文: ZHENG Qiu-yan,ZHAO Jian-ming. A Kind of Slow Aerated Method for H2S Corrosin Resistance Performance Test[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2015, 51(8): 575～577
郑秋艳,赵健明. 抗H2S腐蚀性能试验中的一种慢速通气方法[J]. 理化检验－物理分册, 2015, 51(8): 575～577
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参考文献
【1】尹成先.X70管线钢氢致开裂及应力腐蚀腐蚀行为研究[D].西安:西安建筑科技大学,2003.
【2】周丽萍,穆海玲,赵楠.X52管线钢抗氢致开裂试验裂纹成因分析[J].理化检验-物理分册,2013,49(4):270-275.
【3】李家鼎,李少坡,查春和,等.抗酸钢中产生氢致裂纹与氢鼓包的原因分析[J].理化检验-物理分册,2013,49(1):22-27.
【4】刘智勇,李明,李晓刚.油田硫化氢腐蚀机理及防护的研究现状及进展[J].中国腐蚀与防护学报,2006,26(4):83-86.
【5】NACE TM0177-2005Laboratory testing of metals for resistance to sulfide stress cracking and stress corrosion cracking in H2S environments[S].
【6】NACE TM0284-2011Evaluation of pipeline and pressure vessel steels for resistance to hydrogen-induced cracking[S].
【2】周丽萍,穆海玲,赵楠.X52管线钢抗氢致开裂试验裂纹成因分析[J].理化检验-物理分册,2013,49(4):270-275.
【3】李家鼎,李少坡,查春和,等.抗酸钢中产生氢致裂纹与氢鼓包的原因分析[J].理化检验-物理分册,2013,49(1):22-27.
【4】刘智勇,李明,李晓刚.油田硫化氢腐蚀机理及防护的研究现状及进展[J].中国腐蚀与防护学报,2006,26(4):83-86.
【5】NACE TM0177-2005Laboratory testing of metals for resistance to sulfide stress cracking and stress corrosion cracking in H2S environments[S].
【6】NACE TM0284-2011Evaluation of pipeline and pressure vessel steels for resistance to hydrogen-induced cracking[S].
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