Measuring technique for dust mass concentration using fiber Bragg grating sensor

DING Yunfeng; GUO Yongxing; CHEN Xianfeng; YANG Bingtao; XIONG Li

doi:10.11883/bzycj-2017-0253

Volume 39 Issue 1

Oct. 2018

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Article Navigation > Explosion And Shock Waves > 2019 > 39(1): 014101

DING Yunfeng, GUO Yongxing, CHEN Xianfeng, YANG Bingtao, XIONG Li. Measuring technique for dust mass concentration using fiber Bragg grating sensor[J]. Explosion And Shock Waves, 2019, 39(1): 014101. doi: 10.11883/bzycj-2017-0253

Citation:

DING Yunfeng, GUO Yongxing, CHEN Xianfeng, YANG Bingtao, XIONG Li. Measuring technique for dust mass concentration using fiber Bragg grating sensor[J]. Explosion And Shock Waves, 2019, 39(1): 014101. doi: 10.11883/bzycj-2017-0253

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Measuring technique for dust mass concentration using fiber Bragg grating sensor

doi: 10.11883/bzycj-2017-0253

DING Yunfeng¹,
GUO Yongxing^{2, 3},
CHEN Xianfeng^{1
,
,},
YANG Bingtao¹,
XIONG Li^{2, 3}

1.
School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, Hubei, China
2.
Key Laboratory of Metallurgical Equipment and Control Technology, Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
3.
Hubei Key Laboratory of Mechanical Transmission and Manufacturing Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China

Received Date: 2017-07-19
Rev Recd Date: 2017-08-17
Publish Date: 2019-01-25

Abstract

Abstract

Accidents resulting from combustible dust explosion occur frequently and pose a serious hazard to the safety of industrial production. Dust concentration is a critical factor involved in the explosion leading to such accidents, and therefore its precise and fast measurement can provide an intrinsically safe and real-time monitoring technology for preventing such accidents. In this paper, we proposed a new measuring technique based on the fiber Bragg grating and the optical fiber collimator. We first explained the measurement theory and constructed the measuring and experimental device, and then performed experiments on wheat dusts with three grain sizes of 200 meshes, 300 meshes and 400 meshes and carried out the related investigation. The results show that the optical power output of the device and the dust concentration are linearly correlated. We also carried out contrastive experiments with the dust concentration obtained using the standard weighing method, and verified the effectiveness of the FBG measuring technique proposed. This study provides a new way to conduct dust concentration monitoring, and holds broad prospects for further research and application.
- fiber Bragg grating,
- optical fiber collimator,
- dust concentration measuring,
- safety monitoring

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References(17)

References

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