The monitoring system of the pipeline safety of the coal mine gas drainage based on the optic fiber sensing technology

Yan-fang Li; Yubin Wei; Tingting Zhang; Yanjie Zhao; Lei Lv; Tong-yu Liu

doi:10.1117/12.2031514

15 October 2013 The monitoring system of the pipeline safety of the coal mine gas drainage based on the optic fiber sensing technology

Yan-fang Li, Yubin Wei, Tingting Zhang, Yanjie Zhao, Lei Lv, Tong-yu Liu

Author Affiliations +

Proceedings Volume 8924, Fourth Asia Pacific Optical Sensors Conference; 89242C (2013) https://doi.org/10.1117/12.2031514
Event: Asia Pacific Optical Sensors Conference 2013, 2013, Wuhan, China

Abstract

Based on the technology of the spectrum absorption and the FBG, the monitoring system realize on line detection of the concentration of methane and oxygen, the temperature and the pressure of the gas in pipeline, and in order to improve the accuracy of the gas detection, we induce the compensation to the gas concentration using the data of the temperature and the pressure. In order to have a effective utilization of the methane in the coal mine gas drainage system, we have to have a accurate measurements of the concentration, the temperature and the pressure of the gas in pipeline. At the same time the dynamic monitoring of the concentration of Oxygen is a sign of the leakage of the pump. This paper gave some data detected in the field of the coal mine gas drainage system.

Citation Download Citation

Yan-fang Li, Yubin Wei, Tingting Zhang, Yanjie Zhao, Lei Lv, and Tong-yu Liu "The monitoring system of the pipeline safety of the coal mine gas drainage based on the optic fiber sensing technology", Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 89242C (15 October 2013); https://doi.org/10.1117/12.2031514

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