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| Research and application of automatic voltage regulating device of gas control in Tangshan Mine |
| Zhang Jiuling1, Wang Jiang2, Wu Lizhong2 |
1. School of mining engineering, North China University of Science and Technology, Tangshan 063009, China;
2. TangshanMine, Kailuan Group, Tangshan 063000, China |
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Abstract Based on the analysis of relationship of ventilation pressure and gas emission of Y484 fully mechanized working face, the law of gas emission and barometric pressure was found, automatic voltage regulating device was set to control gas emission in goaf, reduced the gas content of Y484 gas content, removed the side effect of gas emission, provided safe mining.
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