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Article

Development of On-Line Monitoring Systems for High Temperature Components in Power Plants

1
Key Laboratory of Pressure Systems and Safety, Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
2
SINOPEC Hubei Chemical Fertilizer Branch, Zhijiang 443200, China
*
Author to whom correspondence should be addressed.
Sensors 2013, 13(11), 15504-15512; https://doi.org/10.3390/s131115504
Received: 22 September 2013 / Revised: 23 October 2013 / Accepted: 23 October 2013 / Published: 13 November 2013
(This article belongs to the Special Issue Sensors for Harsh-Environment Applications)
To accurately detect deformation and extend the component life beyond the original design limits, structural safety monitoring techniques have attracted considerable attention in the power and process industries for decades. In this paper an on-line monitoring system for high temperature pipes in a power plant is developed. The extension-based sensing devices are amounted on straight pipes, T-Joints and elbows of a main steam pipeline. During on-site monitoring for more than two years, most of the sensors worked reliably and steadily. However, the direct strain gauge could not work for long periods because of the high temperature environment. Moreover, it is found that the installation and connection of the extensometers can have a significant influence on the measurement results. The on-line monitoring system has a good alarming function which is demonstrated by detecting a steam leakage of the header. View Full-Text
Keywords: on-line monitoring system; strain; extensometer; high temperature; accuracy on-line monitoring system; strain; extensometer; high temperature; accuracy
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MDPI and ACS Style

Zhang, H.; Jia, J.; Wang, N.; Hu, X.; Tu, S.-T.; Zhou, S.; Wang, Z. Development of On-Line Monitoring Systems for High Temperature Components in Power Plants. Sensors 2013, 13, 15504-15512. https://doi.org/10.3390/s131115504

AMA Style

Zhang H, Jia J, Wang N, Hu X, Tu S-T, Zhou S, Wang Z. Development of On-Line Monitoring Systems for High Temperature Components in Power Plants. Sensors. 2013; 13(11):15504-15512. https://doi.org/10.3390/s131115504

Chicago/Turabian Style

Zhang, Hongcai, Jiuhong Jia, Ning Wang, Xiaoyin Hu, Shan-Tung Tu, Shaoping Zhou, and Zhengdong Wang. 2013. "Development of On-Line Monitoring Systems for High Temperature Components in Power Plants" Sensors 13, no. 11: 15504-15512. https://doi.org/10.3390/s131115504

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