Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Coal seam roof aquifer advanced drilling staged fracturing grouting curtain device and method
The invention discloses a system for a coal seam roof aquifer advanced drilling staged fracturing grouting curtain, which comprises a first releasing tool, a lower centralizer, a hydraulic anchor, an upper centralizer, an oil passing pipe packer, an ejector, a pressure maintaining packer and a pressure guide falling device which are sequentially and coaxially connected from back to front, according to the method provided by the invention, the stable crack space body can be formed in the coal seam roof aquifer, and the grouting transformation crack filling body which can be used as a stable water-blocking and waterproof wall body is formed by grouting in the crack space body, so that the direction of groundwater runoff in the roof aquifer is changed; groundwater runoff cannot rush to a coal face in a large range; a plurality of horizontal branch wells are arranged, a relatively continuous water-blocking and water-resisting wall body is formed in the vertical direction, and a water-blocking and water-resisting wall body in a roof aquifer is built, so that the water inflow of the coal face is greatly reduced, water reduction of the coal face of the mine is realized, the safety production requirement of the mine is guaranteed, and the advanced productivity of the mine is fully released.
本发明公开一种煤层顶板含水层超前钻进分段压裂注浆帷幕用系统，包括由后向前依次同轴连接设置的第一丢手、下扶正器、水力锚、上扶正器、过油管封隔器、喷射器、保压封隔装置和压力导引脱落器，本发明提供的方法能够在煤层顶板含水层中形成稳定的裂缝空间体，通过在裂缝空间体内注浆形成可以作为稳定的阻水隔水墙体的注浆改造裂缝充填体，改变顶板含水层中地下水径流的方向，使得地下水径流无法大范围涌向采煤工作面；通过设置多个水平分支井，在垂向上形成相对连续的阻水隔水墙体，建立顶板含水层中的阻水隔水墙体，极大地降低了采煤工作面的涌水量，实现矿井采煤工作面的减水，保障了矿井的安全生产要求，充分释放矿井的先进产能。
Coal seam roof aquifer advanced drilling staged fracturing grouting curtain device and method
The invention discloses a system for a coal seam roof aquifer advanced drilling staged fracturing grouting curtain, which comprises a first releasing tool, a lower centralizer, a hydraulic anchor, an upper centralizer, an oil passing pipe packer, an ejector, a pressure maintaining packer and a pressure guide falling device which are sequentially and coaxially connected from back to front, according to the method provided by the invention, the stable crack space body can be formed in the coal seam roof aquifer, and the grouting transformation crack filling body which can be used as a stable water-blocking and waterproof wall body is formed by grouting in the crack space body, so that the direction of groundwater runoff in the roof aquifer is changed; groundwater runoff cannot rush to a coal face in a large range; a plurality of horizontal branch wells are arranged, a relatively continuous water-blocking and water-resisting wall body is formed in the vertical direction, and a water-blocking and water-resisting wall body in a roof aquifer is built, so that the water inflow of the coal face is greatly reduced, water reduction of the coal face of the mine is realized, the safety production requirement of the mine is guaranteed, and the advanced productivity of the mine is fully released.
本发明公开一种煤层顶板含水层超前钻进分段压裂注浆帷幕用系统，包括由后向前依次同轴连接设置的第一丢手、下扶正器、水力锚、上扶正器、过油管封隔器、喷射器、保压封隔装置和压力导引脱落器，本发明提供的方法能够在煤层顶板含水层中形成稳定的裂缝空间体，通过在裂缝空间体内注浆形成可以作为稳定的阻水隔水墙体的注浆改造裂缝充填体，改变顶板含水层中地下水径流的方向，使得地下水径流无法大范围涌向采煤工作面；通过设置多个水平分支井，在垂向上形成相对连续的阻水隔水墙体，建立顶板含水层中的阻水隔水墙体，极大地降低了采煤工作面的涌水量，实现矿井采煤工作面的减水，保障了矿井的安全生产要求，充分释放矿井的先进产能。
Coal seam roof aquifer advanced drilling staged fracturing grouting curtain device and method
煤层顶板含水层超前钻进分段压裂注浆帷幕装置及方法
JI YADONG (Autor:in) / LIU LEI (Autor:in) / GUO XIAOMING (Autor:in) / LI KAI (Autor:in) / ZHU KAIPENG (Autor:in) / LIU YINGFENG (Autor:in) / LI XIAOLONG (Autor:in) / WANG FANG (Autor:in) / ZHANG YIYAN (Autor:in) / LIU CHENKAI (Autor:in)
12.01.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E21F
Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels
,
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
/
E02D
FOUNDATIONS
,
Gründungen
/
E21B
EARTH OR ROCK DRILLING
,
Erd- oder Gesteinsbohren
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