肥田煤矿合理采掘部署调整

Reasonable Mining Deployment Adjustment of Feitian Coal Mine

摘要: 针对肥田煤矿一分区首采层瓦斯治理难度大，掘进困难，区域防突措施不合理等问题，通过对开采层序及区域防突措施的合理论证，将首采层由原来的6^#煤层调整为16^#煤层，开采程序调整为“组间上行、组内下行”的方式，首采层的掘进工作面采取穿层钻孔预抽煤巷条带煤层瓦斯、采煤工作面采取顺层钻孔预抽采面条带煤层瓦斯的区域防突措施，经过调整,采掘部署趋向合理。
- 采掘部署 /
- 抽掘采平衡 /
- 瓦斯治理 /
- 保护层 /
- 区域措施 /
- 煤与瓦斯突出
Abstract: For the difficult gas governance and excavation and unreasonable regional outburst prevention measures in a partition area of Feitian Coal Mine, through rational argumentation of mining sequence and regional outburst prevention measures, the first layer is changed to 16^# coal seam from the original 6^# coal seam; mining sequence is adjusted for "uplink within groups and downlink in groups " way. The heading face in the first mining layer used the through beds hole to pre-drainage strip coal seam gas; the mining face used bedding drilling to pre-drainage strip coal seam gas.After the adjustment,the extractive deployment tends to be reasonable.
- mining deployment /
- drainaging and excavating balance /
- gas control /
- protective layer /
- regional measure /
- coal and gas outburst

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