深部采矿,deep mining英语短句,例句大全

深部采矿,deep mining
1)deep mining深部采矿
2)deep coalmining煤矿深部开采
1.Geological exploration techniques used in deep coalmining in China;中国东部煤矿深部开采中的地质勘探技术

英文短句/例句

1.Study on Heat Harm Investigation and Treatment Technology under Mining in Deep-lying Conditions in JiNing 2～(nd) Coalmine;济二煤矿深部开采热害调查及治理技术研究
2.Application of Integrative Geophysical Exploration in Deep Coalmining for Mine Geological Assurance System煤矿深部开采地质保障中的综合物探技术应用
3.Key Technology About Deep Mining of Surface Mine with Inclined Coal Seam倾斜煤层深凹露天矿深部开采关键技术研究
4.Study on the Coal Pillar Stability of Deep and High Seam Strip-Partial Mining and Its Impact on the Village in Gucheng Coal Mine;古城煤矿深部厚煤层条带开采煤柱稳定性及对村庄的影响研究
5.Study on Mechanized Top-caving Extraction and Gas Preventing Technique in Nantun Deep Uphill Soft Seam;南屯煤矿深部仰斜松软煤层综放开采瓦斯防治技术研究
6.Research on the Mining Effect from Mining Deep-Level Orebody in Jinchuan No.2 Mine金川二矿区深部矿体开采效应的研究
7.Study on Gas Release Regulation and Prevention Technology for Deep Soft Seam on Up-DIP Mining with Fully Mechanized Caving Face in Nantun Mine;南屯煤矿深部仰斜松软煤层综放开采的瓦斯涌出规律与防治技术研究
8.Research on Mining Method in Shallow and Adamancy Coal Seam of Xiegou Coal Mine in Xingxian Area兴县矿区斜沟煤矿浅埋深坚硬厚煤层开采方法研究
9.With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.随着煤矿开采深度增加，综放开采回采巷道易发生冲击地压危害。
10.Study on Comprehensive Gas Control Techniques in Deep Mining Area B of Zhangji Colliery张集矿深部采区B组煤层瓦斯综合治理
11.Prediction of gas content in deep coalbeds at Fengfeng Dacheng Kaiping mining areas峰峰、大城、开平矿区深部煤层含气量预测
12.few exploitable coal-mines少量可开采的煤矿.
13.Study on Technology of Rockburst Prevention and Control in Deep High Coal Seam;深部厚煤层开采冲击地压防治技术研究
14.Studies of Micro-climate in Deep Coal Mining Face深部煤炭资源开采的工作面微气候研究
15.Numerical Simulation of Automatic Coal-dropping Discipline of Deep-state Small Faults Mining深部小断层开采自动落煤规律的数值模拟研究
16.the mining of ore or coal from an open mine.从敞开的矿井提取矿石或煤的采矿。
17.Study on Deep Stope Drift Active Workings's Supporting of the Zhao Gezhuang Mining Iindustry Subsidiary Company;开滦赵各庄矿业公司深部回采巷道支护研究
18.Research and Application of Cooling Technology in Deep Mining of Can Zhuang Gold Mine;蚕庄金矿深部开采降温技术研究与应用

延伸阅读

垂直深孔阶段矿房采矿法垂直深孔阶段矿房采矿法block open-stoping with vertical longhole　　ehu{Zh一shenkongJ一eduon kuangfong eo一k日ongfo垂直深孔阶段矿房采矿法(bloek open一S‘01)-ing with vertieal longhole)用垂直或接近垂直的深孔和柱状药包爆破进行落矿的阶段矿房采矿法这种采矿法常与充填采空区相结合，并分两步骤间隔式开采矿块，先开采矿块两侧都是整体矿石开采后，胶结充填采空区后开采矿块两侧都是胶结充填体_开采后对其下、上部分别进行胶结充填和水砂充填。结构参数和采准矿体厚度小于15或Zom时，矿块沿矿体走向布置，更厚时矿块垂直矿体走向布置矿块长l()一l()0m垂直深孔阶段矿房采矿法的结构和采准布置如图1所示。矿块划分为矿房和间段间柱，主要是底柱。阶段高度取决于矿岩和胶结充填体的稳固性，以及钻机钻孔的有效深度一般为4()一SOm切割槽使用深孔和球状药包爆破形成掘进完采准巷道后就开始凿深孔和中深孔。切割包括:在矿房的一端从矿房下部自下而上拉纵向切割槽。在矿房下面拉底，拉底是以切割槽下部作自由空间爆破中深孔，形成堑沟形拉底空间。爆下矿石都从装矿巷道和运搬巷道用无轨自行设备运搬到溜井中。拉切割槽的深孔和中深孔最先爆破。拉底中深孔与回采深孔爆破平行进行，但略超前。A一月B一B 、B卜~‘巨- 1一卜‘一一一-‘气奋j一广曰‘气-一一飞一~厂悯门阅尸r.K，林厅勺-.，勺丫广4/丫t，了{亡兰当、~ 图1垂直深孔阶段矿房采矿法 l胶结充填体:艺一底柱:3装矿巷道; !运掇巷道;三中深孔;6凿岩碳室: 7下向深孔;8切割槽;9堑沟回采包括矿房和上阶段底柱回采。这两种回采分别用深孔和中深孔落矿:深孔的直径为10。一2。。n、n飞时多用潜孔钻机凿深孔;孔径大于]7()mm时也有采用牙轮钻机钻孔的潜孔钻机的冲击器在。，98一1 .76MPa压力下上作，用增压机供给压气。大部分深孔是垂直向下的，只有在靠近围岩处的深孔是倾斜向下的逐排爆破回采深孔和中深孔，一次爆破3一5排每次爆破回采深孔前先爆破拉底中深孔，使回采深孔中积水和岩碴流出。进行深孔装药前，用带尺度的、下端系橡胶管的测绳测孔深(图2)，用悬吊水泥塞皿图2用带橡胶管测绳测孔深(图3、堵塞孔底，再用不装满河砂的塑料袋进一步封堵孔底用人工吊袋或投装药包或用机械装粉药。炸药上部用河砂或岩碴填塞。用电雷管或非电毫秒雷管起爆系统起爆。每次爆破后将40%落下矿石放出，暂留于采场内的矿石用于支撑周围矿岩或胶结充填体。矿房和仁阶段底柱全部爆破完毕后再大量放矿。多用铲运机运搬矿石。