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Impact tendency coal seam anti-impact drilling machine rotary jet grouting system and method
The invention provides an impact tendency coal seam anti-impact drilling machine rotary jet grouting system. The rotary jet grouting system comprises a drilling machine, an air compressor (8) and a high-pressure guniting pump (7), the air compressor (8) and the high-pressure guniting pump (7) respectively communicate with an internal pipeline of a drill rod (6) of the drilling machine through a high-pressure air pipeline (5) and a guniting pipeline (4), the tail end of the drill rod (6) is connected with a rotary drill bit (11), coal discharging devices are arranged on the periphery of the rotary drill bit and used for guiding out coal briquettes crushed by the drill bit, and a guniting opening is formed in the internal pipeline of the drill rod (6). The invention further provides an impact tendency coal seam anti-impact drilling machine rotary jet grouting method. A consolidation material layer is formed in the drilled coal wall, so that pressure relief, drilling and pore-forming support integration is achieved, the construction time is shortened, and the safety of coal mine construction is improved.
本发明提供了一种冲击倾向性煤层防冲钻机旋喷系统，包括钻机、空压机(8)以及高压喷浆泵(7)，所述空压机(8)以及高压喷浆泵(7)均分别通过高压空气管路(5)、喷浆管路(4)与钻机的钻杆(6)内部管路连通，所述钻杆(6)末端连接转动钻头(11)，所述转动钻头四周设有出煤装置用于导出钻头破碎的煤块，所述钻杆(6)内部管路上设有喷浆口。本发明还提供了一种冲击倾向性煤层防冲钻机旋喷方法。本发明通过在钻孔煤壁内形成固结材料层，从而实现了卸压钻孔成孔支护一体化，降低了施工时间，提高了煤矿施工的安全性。
Impact tendency coal seam anti-impact drilling machine rotary jet grouting system and method
The invention provides an impact tendency coal seam anti-impact drilling machine rotary jet grouting system. The rotary jet grouting system comprises a drilling machine, an air compressor (8) and a high-pressure guniting pump (7), the air compressor (8) and the high-pressure guniting pump (7) respectively communicate with an internal pipeline of a drill rod (6) of the drilling machine through a high-pressure air pipeline (5) and a guniting pipeline (4), the tail end of the drill rod (6) is connected with a rotary drill bit (11), coal discharging devices are arranged on the periphery of the rotary drill bit and used for guiding out coal briquettes crushed by the drill bit, and a guniting opening is formed in the internal pipeline of the drill rod (6). The invention further provides an impact tendency coal seam anti-impact drilling machine rotary jet grouting method. A consolidation material layer is formed in the drilled coal wall, so that pressure relief, drilling and pore-forming support integration is achieved, the construction time is shortened, and the safety of coal mine construction is improved.
本发明提供了一种冲击倾向性煤层防冲钻机旋喷系统，包括钻机、空压机(8)以及高压喷浆泵(7)，所述空压机(8)以及高压喷浆泵(7)均分别通过高压空气管路(5)、喷浆管路(4)与钻机的钻杆(6)内部管路连通，所述钻杆(6)末端连接转动钻头(11)，所述转动钻头四周设有出煤装置用于导出钻头破碎的煤块，所述钻杆(6)内部管路上设有喷浆口。本发明还提供了一种冲击倾向性煤层防冲钻机旋喷方法。本发明通过在钻孔煤壁内形成固结材料层，从而实现了卸压钻孔成孔支护一体化，降低了施工时间，提高了煤矿施工的安全性。
Impact tendency coal seam anti-impact drilling machine rotary jet grouting system and method
一种冲击倾向性煤层防冲钻机旋喷系统及方法
WANG LEI (author) / CHEN LIPENG (author) / ZOU PENG (author) / YUAN QIUPENG (author) / ZHU CHUANQI (author) / YUAN ANYING (author) / JIAO ZHENHUA (author) / LI QI (author) / LIU HUAIQIAN (author)
2021-01-22
Patent
Electronic Resource
Chinese
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