Coalbed gas extraction and drilling water automatic drainage integrated device and method
A technology of gas drainage and coal seam gas, which is applied in the field of integrated devices for coal seam gas drainage and borehole water automatic discharge, which can solve problems such as blocked drainage pipes, achieve the effect of extending service time and eliminating adverse effects
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[0024] Below in conjunction with accompanying drawing, the specific implementation manner of this patent is described in further detail.
[0025] Such as figure 1 As shown, an integrated device for coal seam gas drainage and automatic discharge of borehole water, including a gas drainage system, a water guide system and a drainage system; the gas drainage system includes a drainage pipe 3, a gas delivery pipeline 5, a connecting One end of the pipe 6 and the drainage pipe 3 is located in the gas drainage borehole 2, and the other end is connected to the gas delivery pipeline 5 through the connecting pipe 6; The upper end of the water pipe 11 is connected to the extraction pipe 3, and the lower end is connected to the water collection tank 17, and the upper part of the water collection tank 17 is connected to the connecting pipe 6 through the air guide pipe 7; the drainage system includes a drainage pipe 9, a drainage valve 10, a connecting pipe 15, and an air pressure balance ...
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