Application of Acoustic Emission Technology in Boiler’s Leak Detection
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摘要: 针对锅炉所存在的泄漏缺陷,提出了一种声发射逐点监测方法,然后结合声发射信号幅度历程和波形频谱分析法,通过现场检测实例验证了该方法用于锅炉泄漏缺陷声发射检测的可行性与准确性。Abstract: For the leak defects of boiler, a point by point monitoring method with acoustic emission testing is firstly presented. Afterwards, through the combination of amplitude and waveform analysis method of acoustic emission signal, the feasibility and accuracy of the method for acoustic emission testing of boiler’s leak defects are verified with a field test.
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Keywords:
- Boiler /
- Leak /
- Acoustic emission testing
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[1] 李兵,沈功田,周裕峰,等.电站锅炉无损检测技术[J].无损检测,2006,28(8):426-430. [2] 沈功田,耿荣生,刘时风.声发射信号的参数分析方法[J].无损检测,2002,24(2):72-77. [3] 任恒昌.声发射技术在锅炉监控检验中的应用[J].电力安全技术,2000(6):23. [4] TSG G0001—2012锅炉安全技术监察规程[S].
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