Rapid hole sealing equipment and method for extraction pipe
The invention belongs to the technical field of mine gas extraction safety, and relates to an extraction pipe rapid hole sealing method and equipment which comprises an extraction pipe arranged in a drill hole, and a front end hole sealing capsule and a tail end hole sealing capsule which are arrang...
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| creator | QIU FEI LIU JUAN CHANG YU LONG QINGMING YANG JUAN ZENG YINSONG SONG XINKE RAO JIALONG REN WENXIAN CHEN DEMIN TANG YONG QU BAOHUA WANG ZHEN |
| description | The invention belongs to the technical field of mine gas extraction safety, and relates to an extraction pipe rapid hole sealing method and equipment which comprises an extraction pipe arranged in a drill hole, and a front end hole sealing capsule and a tail end hole sealing capsule which are arranged on the extraction pipe. The differential pressure air inlet device is arranged outside the drill hole and is communicated with the front-end hole sealing capsule and the tail-end hole sealing capsule respectively; a hole sealing material injection hole is further formed in the portion, between the front end hole sealing capsule and the tail end hole sealing capsule, of the extraction pipe. Compressed gas or liquid is injected into the differential pressure air inlet device, compressed gas or liquid is injected into the front-end hole sealing capsule and the tail-end hole sealing capsule through the differential pressure air inlet device, the front-end hole sealing capsule and the tail-end hole sealing capsule ex |
| format | Patent |
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The differential pressure air inlet device is arranged outside the drill hole and is communicated with the front-end hole sealing capsule and the tail-end hole sealing capsule respectively; a hole sealing material injection hole is further formed in the portion, between the front end hole sealing capsule and the tail end hole sealing capsule, of the extraction pipe. 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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN114526032A |
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| subjects | EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS |
| title | Rapid hole sealing equipment and method for extraction pipe |
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