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1.发明授权公开(公告)号：US12241340B1
公开(公告)日：2025-03-04
申请号：US18915252
申请日：2024-10-14
Inventor： Yifan Zeng , Donghui Yang , Qiang Wu , Junhao Ren , Zilong Yuan , Fulong Zhai , Jia Zhao , Hao Li
Abstract: A coal and coalbed methane mining system based on ground drilling includes: a drilling component, a coal mining drill bit and a ground facility group. The coal mining drill bit is set at a predetermined end of a directional borehole in a coal seam, connected to the drilling component through a connecting pipeline. The ground facility group is connected to the drilling component, to provide coal cutting slurry for the coal mining drill bit, receive reflux slurry carrying coal and coalbed methane, and precipitate and separate the reflux slurry carrying the coal and the coalbed methane. A coal and coalbed methane mining method based on ground drilling and related devices are also disclosed.
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公开(公告)号：US12287445B1
公开(公告)日：2025-04-29
申请号：US18939876
申请日：2024-11-07
Inventor： Yifan Zeng , Xianhui Wang , Qiang Wu , Chunsheng Liu , Fei Chen , Jia Zhao , Zhuangjie Cui
Abstract: A coal rock interface directional detection device based on elastic waves includes: a probe body including an elastic wave receiving device and an elastic wave excitation device spaced set at the top; a protective tube with one end connected to the adapter. The protective tube includes a collection circuit board inside the protective tube, and the collection circuit board is electrically connected to the elastic wave receiving device and the elastic wave excitation device; a sleeve, installed outside the protective tube, with one end connected to the side of the probe body near the adapter and with the other end connected to the side of the protective tube away from the adapter; and a control host, wirelessly connected with the acquisition circuit board. A coal rock interface directional detection method based on elastic waves applied in the coal rock interface directional detection device is also disclosed.
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公开(公告)号：US12241371B1
公开(公告)日：2025-03-04
申请号：US18760362
申请日：2024-07-01
Inventor： Yifan Zeng , Donghui Yang , Qiang Wu , Hao Li , Junhao Ren , Zeyang Liu , Jia Zhao , Zilong Yuan
Abstract: Disclosed are an integrated mining method and an integrated mining system of coal breaking, coal extraction and water circulation in a U-well. The integrated mining system includes a first ground facility unit, a second ground facility unit, a jet unit and an extraction unit. The first ground facility unit is configured to transport jet fluid to the jet unit. The jet unit is configured to break a coal seam in a sub-segment to obtain broken cinders. The extraction unit is configured to extract a coal-water mixture. The second ground facility unit is configured to receive the coal-water mixture. In response to determining that an extraction of the sub-segment is complete, the jet unit and the extraction unit is configured to move to a next sub-segment using powers provided by the first ground facility unit and the second ground facility unit.
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