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- Keywords extremely thin coal seam;shortwall mining method in the dip;unmanned coal face mining;medium-deep borehole blasting;gob-side entry reserved for next sublevel; 极薄煤层;倾斜短壁采煤法;无人工作面开采;中深孔爆破;沿空留巷;
- extremely thin coal seam 极薄煤层
- The technology of roadway protection with coal waste residue concrete and application in thin coal seam are introduced. 介绍了煤矸渣混凝护巷技术及其在薄煤层中的应用。
- The reserves of thin coal seam shearer and the developing trend of coal seam shearer of our country are analysed. 分析我国薄煤层储量以及薄煤层采煤机的发展状况及趋势。
- Using individual hydraulic prop in thin coal seam face is better than the others in the aspect of support strength,premary supporting force,shrink amount and safety. 在薄煤层工作面中使用单体液压支柱,在支护强度、初撑力、可缩量、安全保障及操作人员安全上,都优于其它单体支护材料。
- How to extract thin coal seam remains a problem faced by all hydromines.Hydraulic mining of such seam in a hydromine proves to be superior to the conventional mining method. 薄煤层如何开采是水采矿井共同面临的一个问题,在水采矿井搞水采比搞旱采有优势。
- The craft manner of full-mechanized mining in thin coal seam is reformed and optimized by computer simulation, optimization and spot test in this paper. 通过计算机模拟、优化和现场实测,对薄煤层综采工艺方式进行了改造和创新,优化了薄煤层综采工艺方式。
- This article recommends a mining technology for thin coal seam with mixed mining,exceeding length and double unit face mining method innovated by Tianchen coal mine. 本文介绍了田陈煤矿创新的综采与普机采混合、工作面超长布置、对拉、旋转调采、矩形和梯形不规则形状的薄煤层开采技术;
- This mining technology is innovations in the layout of this kind working face,mining method and technologies act and solves many technological difficult problems for the thin coal seam mining. 该开采技术在工作面巷道布置、开采机械、采煤方法、回采工艺等开采技术上进行综合创新,解决了薄煤层开采的技术难题。
- The technology of coal plough have been applied in the exploitation of medium-sized and thin coal seam through analysing and comparing the characteristic of cylinder mining machine and coal plough. 对比分析了滚筒采煤机与刨煤机的特性,并将刨煤机开采技术运用于中等及薄煤层的开采中,提高了煤炭生产效率,实现了工作面采煤的全部自动化,具有广泛的推广和应用价值。
- Application of plough in thin coal seam face 刨煤机在薄煤层工作面中的应用
- The State shall encourage coal mining enterprises to carry out second mining or extract residual coal at the margins of mining areas and very thin coal seams. 国家鼓励煤矿企业进行复采或者开采边角残煤和极薄煤。
- Application of thin coal seam plough 薄煤层刨煤机的应用
- thin coal seam super day labor makes noodles 薄煤层超长工作面
- full-mechanized mining in thin coal seam 薄煤层综采面
- hydraulic support in the thin coal seam 薄煤层液压支架
- Combined Mining Practice of Full-mechanized Mining Face in Extremely Anomalistic Thin Coal Seam 极不规则薄煤层综采工作面联合开采实践
- Application of Homemade Slicer in Mining Thin Coal Seam 国产刨煤机在薄煤层开采中的应用浅析
- To make or become extremely thin, especially as a result of starvation. 使消瘦使或变得极瘦,尤指饥饿所致
- Application of air bag support in Taiyuan thin coal seam 气垛支架在太原组薄煤层中的应用