常压储罐声发射检测技术

基金项目:

质检公益性行业科研基金资助项目(10-52)

详细信息

Acoustic Emission Testing Technique for Atmospheric Storage Tanks

摘要: 声发射检测技术可用于常压储罐腐蚀评价。讨论了常压储罐中声发射信号产生的机制和传播过程, 试验研究了液体介质中声发射源的定位、波速的计算及声发射信号的衰减规律, 提出了声发射信号的分析方法以及结果评价方法。指出由于信号传播路径的不确定, 使定位分析较困难, 而从每个通道单位时间的撞击数来判断更有实际意义, 并给出了工程实例。
- 常压储罐 /
- 声发射检测 /
- 腐蚀评价
Abstract: Acoustic emission(AE) testing technique can be used in evaluating corrosion status. The generating mechanism and propagating process of AE signals are discussed in the paper. An experiment on the AE sources location, wave velocity calculation and signal attenuation is carried out in liquid medium (Water). Methods of AE signal analysis and testing result evaluation are presented. An engineering example of AE testing for storage tank is given also.
- Atmospheric storage tank /
- Acoustic emission testing /
- Corrosion evaluation

[1]	RD-08-95-95 Regulations for the System of Technical Diagnostics of Welded Vertical Tanks for Oil and Oil Derivatives[S].
[2]	Flower T J. Chemical industry applications of acoustic emission[J]. Materials Evaluation, 1992(7): 875-882.
[3]	“十五”国家重点科技攻关课题(2001BA803B03-03).压力容器在线检测关键技术研究及埋地燃气压力管道泄漏监测技术预研究. 中国特种设备检测研究中心等, 2001.1～2004.05
[4]	李光海, 刘时风.基于信号分析的声发射源定位技术[J].机械工程学报, 2004, 40(7): 136-140.
[5]	李光海.声发射源识别技术的研究[J].无损检测, 2003, 25(4): 171-175.
[6]	李光海.声发射信号分析技术及进展[C]//第十届全国声发射学术会议.大庆, [s.n.]: 2004: 52-61
[7]	李光海, 刘时风, 耿荣生, 等.声发射源特征识别的最新方法[J].无损检测, 2002, 24(12): 534.
[8]	API 653 Tank Inspection, Repair, Alteration, and Reconstruction[S].