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- Full mechanized caving mining 综放开采
- The company has created conditions for reasonable centralized production, improved whole effect of high full mechanized caving, and accelerated high productive and efficient mine construction. 创造合理集中生产条件,提高大采高综采整体效能,促进了矿井高产高效建设。
- The application of elevated fully mechanized caving mining technology is an economical and efficient means for an old coal mine with an exploitation history of 38 years. 应用高位综放工艺回采煤柱资源对于已有38年开采历史的老矿来说是一种经济、高效的手段。
- During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span. 在综采放顶煤工作面顺槽掘进过程中,由于顺槽煤层顶板松动破碎,并且顺槽采用矩形断面,顶板跨距较大,不利于巷道支护。
- Analyses that system mechanization caving mining roadway is the whole coal and was beared stress complex.Discusses the important meaning for studing its roadway surround rock stability. 分析了综采放顶煤回采巷道为全煤巷道,并且所受应力复杂,阐述了对该巷道围岩稳定性研究的重要意义。
- Research on reasonable layout of open-off cut in full mechanized caving face 综放工作面切眼合理布置探析
- fully mechanized caving mining face with extra long mining length 大采长综放面
- Design of large angle arc rotary mining for fully mechanized caving mining face 综放工作面大角度弧线旋转开采的设计
- fully - mechanical caving mining 综采放顶煤
- Keywords the coal pillar in gobs;full mechanized caving coal extraction;movement curve;movement growth gradient; 孤岛煤柱;综放开采;位移曲线;位移增长梯度;
- Long distance and isochronous swerve technology of transporter, feed conveyor and face-end support in carrying roadway of full mechanized caving face 综放面运输巷胶带输送机转载机端头支架长距离同步转弯技术
- Maintenance technology of coal slide and roof fall in full mechanized caving face in soft roof, soft coal and soft floor seam 煤层综放工作面片帮冒顶维护技术
- Complex Control of Gas at Upper Corner Angle of Medium-thick Seam with Fully Mechanized Caving Mining 中厚煤层综放工作面上隅角瓦斯综合治理
- Elementary Analysis on Dangerous Spontaneous Combustion Place in Fully Mechanized Caving Mining in Xinglongzhuang Mine 兴隆庄煤矿综采放顶煤自然发火隐患点浅析
- Control and applied technology of inclination, mining height and dinting for fully mechanized caving mining face 综采工作面倾角与采高及挖底量的控制技术和应用
- Application of water injection to soften coal seam at mechanized caving mining face of the first mine of Meihe 注水法软化煤层在梅河一井综放中的应用
- Advance Roof Caving Technology under Hard Roof in Full Mechanization Caving Faces 综放工作面坚硬顶板超前放顶技术
- Application practice on box type high ranking mechanized caving mining technology under wire mesh 网下箱型高档普采放顶煤技术应用实践
- Analysis on Factors Affecting Recovery Coefficient of Fully Mechanized Caving Mining 影响放顶煤综采回采率的因素分析
- Technological innovation on preventing support inclining and sliding upward on fully mechanized caving mining 综采放顶煤支架防倒防窜技术改造