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

被引：0
|
作者：
Li Yan-fang [1 ]
Wei Yu-bin [1 ]
Zhang Tingting [1 ]
Zhao Yanjie [1 ]
Lv Lei [1 ]
Liu Tong-yu [1 ]
机构：
[1] Shandong Key Lab Opt Fiber Sensor, Jinan 250014, Shandong, Peoples R China
来源：
FOURTH ASIA PACIFIC OPTICAL SENSORS CONFERENCE | 2013年 / 8924卷
关键词：
methane; Oxygen; temperature; pressure; specific absorption; FBG. coal mine gas drainage;
D O I：
10.1117/12.2031514
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
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.
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页数：4
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