COAL ENGINEERING ›› 2015, Vol. 47 ›› Issue (10): 83-86.doi: 10.11799/ce201510027

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A Study about Simultaneous Extraction of Coal and Gas in Contiguous Outburst Coal Seams of Gujiao Mining Area

  

  • Received:2015-03-08 Revised:2015-04-13 Online:2015-10-12 Published:2015-10-19

Abstract: In order to improve the control of gas outburst, and to resolve the contradiction between high yield and high efficiency and the constrains on succeeding of extraction, drivage and mining, the paper analyzed the storage and production characters of the coal and gas in Gujiao Coal Mining Area, summarized the simultaneous extraction of coal and gas modes of Huainan, Jincheng, Songzao and Pingdingshan Coal Mining Area and their technique features, and demonstrated the applicability of the simultaneous extraction of coal and gas modes or experiences in Gujiao Coal Mining Area. The paper also optimized the succeeding sequence of extraction, drivage and mining, as well as progressive modularization pre-drainage range of contiguous outburst coal seams of Shanxi Group, and proposed a three-region linkage coal and gas compatible mode in Gujiao Coal Mining Area.

Key words: contiguous outburst coal seams, simultaneous extraction of coal and gas, progressive modularization pre-drainage, three-region linkage

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