煤炭工程 ›› 2015, Vol. 47 ›› Issue (3): 11-13.doi: 10.11799/ce201503004

• 设计技术 • 上一篇    下一篇

灵台矿区安家庄井田煤炭资源开采技术条件分析

张子祥,李文鑫   

  1. 甘肃煤炭地质勘查院
  • 收稿日期:2014-08-21 修回日期:2014-09-22 出版日期:2015-03-10 发布日期:2015-03-25
  • 通讯作者: 李文鑫 E-mail:liwenxinge@126.com

The analysis of coal resources mining technical requirement in Anjiazhuang Filed

  • Received:2014-08-21 Revised:2014-09-22 Online:2015-03-10 Published:2015-03-25

摘要: 甘肃省灵台矿区赋存有丰富的煤炭资源,本工作以安家庄井田为例分析了开采技术条件,并给出了开采建议和注意事项,对于未来灵台矿区煤炭资源的开采具有指导意义。在安家庄井田未来建设中,井巷设计可定为稳定性差的Ⅳ~Ⅴ类围岩;主采煤层煤8-2顶板岩性以泥岩、砂质泥岩及炭质泥岩为主,顶板大部属极不稳定~不稳定型;该区煤层埋深大,地应力高,煤(岩)层具有强冲击倾向性,开采过程中发生冲击地压的可能性大;瓦斯防治按高瓦斯矿井设计要求进行设计;煤尘具有燃烧性和爆炸性;井田大部分地段为二级高温区(>37℃)。综上,开采技术条件属复杂类型。

关键词: 灵台矿区, 煤炭资源, 开采技术条件, 顶板稳定性

Abstract: Coal reserves explored are very rich in Lingtai mining area. The mining technical requirement in Anjiazhuang Filed included in Lingtai mining area was analyzed, and some recommendations were provided. The paper has guiding significance for coal resources mining in Lingtai mining area. The stability of the surrounding rock of the laneway construction is poor. The lithology of main coal seam (No. 8-2) roof were mudstone, sandy mudstone and carbon mudstone, the mainly type of seam roof was extremely unstable and unstable. There were high stresses and rock bursts could easily occur during mining due to the coal’s deep occurrence. Anjiazhuang mine should be designed as a high gas mine. The coal dust was combustible and explosible. The temperature was above 37℃ in most of mining field. Therefore, the mining conditiongs were complicated.

Key words: Lingtai mining area, coal resources, mining technical requirement, stability of seam roof

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