Study on WindPower Slag Discharge and Blocking Mechanism of Rib Drill Pipe
In the drilling process of soft and outburst coal seam, the rib drill pipes and central ventilation are generally used to discharge slag. Due to the limitations of existing slag removal technology, the coal slag blockage often occurs and seriously affects the depth and porosity of drilling. Taking...
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Format: | Article |
Language: | zho |
Published: |
Editorial Office of Safety in Coal Mines
2020-02-01
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Series: | Meikuang Anquan |
Subjects: | |
Online Access: | https://www.mkaqzz.com/cn/article/id/6655 |