Dr. Pengcheng Yan Profile

Dr. Pengcheng Yan

at Anhui University of Science and Technology

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Proceedings Article | 27 September 2016 Paper

Research of mine water source identification based on LIF technology

Mengran Zhou, Pengcheng Yan

Proceedings Volume 9684, 96843D (2016) https://doi.org/10.1117/12.2240103

KEYWORDS: Mining, Laser induced fluorescence, Luminescence, Ions, Digital signal processing, Signal processing, Laser applications, Statistical analysis, Data processing, Spectroscopy

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According to the problem that traditional chemical methods to the mine water source identification takes a long time, put forward a method for rapid source identification system of mine water inrush based on the technology of laser induced fluorescence (LIF). Emphatically analyzes the basic principle of LIF technology. The hardware composition of LIF system are analyzed and the related modules were selected. Through the fluorescence experiment with the water samples of coal mine in the LIF system, fluorescence spectra of water samples are got. Traditional water source identification mainly according to the ion concentration representative of the water, but it is hard to analysis the ion concentration of the water from the fluorescence spectra. This paper proposes a simple and practical method of rapid identification of water by fluorescence spectrum, which measure the space distance between unknown water samples and standard samples, and then based on the clustering analysis, the category of the unknown water sample can be get. Water source identification for unknown samples verified the reliability of the LIF system, and solve the problem that the current coal mine can't have a better real-time and online monitoring on water inrush, which is of great significance for coal mine safety in production.

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