Combined gas drainage practice at upper corner of high-intensity fully mechanized caving face
In view of traditional single upper corner gas control technology cannot effectively solve problem of severe over-limit of gas at upper corner of high-intensity fully mechanized caving face, taking Wangjialing Coal Mine as engineering background, the paper puts forward a scheme of combined gas drain...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Industry and Mine Automation
2020-02-01
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| Series: | Gong-kuang zidonghua |
| Subjects: | |
| Online Access: | http://www.gkzdh.cn/article/doi/10.13272/j.issn.1671-251x.2019100024 |