Integral hose plug-in-free type gas hole packer
The utility model discloses an integral hose plug-free type gas hole packer. The hole packer comprises a built-in double-hole drainage hose, a front water-permeable slurry-retaining cloth bag, a rear water-permeable slurry-retaining cloth bag and an anti-blocking end, a bag grouting pipe and a middl...
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| creator | WANG JINLONG LI HUI MOU WEIYE YIN WEI YANG YONGXIN JIANG MING ZHU SHENGXUE SHAO XIAOJUN WANG LIANG WANG QIANG LIU CHAO NI SUNPENG |
| description | The utility model discloses an integral hose plug-free type gas hole packer. The hole packer comprises a built-in double-hole drainage hose, a front water-permeable slurry-retaining cloth bag, a rear water-permeable slurry-retaining cloth bag and an anti-blocking end, a bag grouting pipe and a middle section grouting pipe are arranged in the built-in double-hole drainage hose; the built-in double-hole drainage hose is divided into a rear cloth bag grouting section, a front cloth bag grouting section, a middle blocking section, a drainage section and a roadway breaking area. And water-permeable grout-blocking holes are distributed on the front water-permeable grout-retaining cloth bag and the rear water-permeable grout-retaining cloth bag. The total length and the segmentation length of the drainage hose are designed according to the position and the distance between a roadway and an outburst coal seam, an external grouting pipeline is not needed, the grouting pipeline is directly arranged in the drainage pipe |
| format | Patent |
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The hole packer comprises a built-in double-hole drainage hose, a front water-permeable slurry-retaining cloth bag, a rear water-permeable slurry-retaining cloth bag and an anti-blocking end, a bag grouting pipe and a middle section grouting pipe are arranged in the built-in double-hole drainage hose; the built-in double-hole drainage hose is divided into a rear cloth bag grouting section, a front cloth bag grouting section, a middle blocking section, a drainage section and a roadway breaking area. And water-permeable grout-blocking holes are distributed on the front water-permeable grout-retaining cloth bag and the rear water-permeable grout-retaining cloth bag. 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The hole packer comprises a built-in double-hole drainage hose, a front water-permeable slurry-retaining cloth bag, a rear water-permeable slurry-retaining cloth bag and an anti-blocking end, a bag grouting pipe and a middle section grouting pipe are arranged in the built-in double-hole drainage hose; the built-in double-hole drainage hose is divided into a rear cloth bag grouting section, a front cloth bag grouting section, a middle blocking section, a drainage section and a roadway breaking area. And water-permeable grout-blocking holes are distributed on the front water-permeable grout-retaining cloth bag and the rear water-permeable grout-retaining cloth bag. The total length and the segmentation length of the drainage hose are designed according to the position and the distance between a roadway and an outburst coal seam, an external grouting pipeline is not needed, the grouting pipeline is directly arranged in the drainage pipe</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
| recordid | cdi_epo_espacenet_CN215108843UU |
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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 | Integral hose plug-in-free type gas hole packer |
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