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- Keywords simulation experiment;deep inclined thin coal seam;anthracitic column mining; 模拟实验;大倾角薄煤层;无煤柱开采;
- Deep inclined thin coal seam 大倾角薄煤层
- Blasting coal mining method with deep bore holes applied to deep inclined thin seam and medium thick seam 深孔爆破采煤法在急倾斜薄及中厚煤层中的应用
- 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。
- The movement of top coal and top roof is discussed with the data observed from the caving mining of deeply inclined thick coal seam with horizontal section in Zhaogezhuang colliery of Kailuan Group. 就开滦集团赵各庄矿在急倾斜厚煤层采用水平分段开采过程中的现场观测，探讨顶煤和顶底板运移。
- 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。
- 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。
- Coal Pillar Design of Strip Mining in Deeply Inclined Coal Seam under Buildings 建筑物下急倾斜煤层条带开采的煤柱设计
- Application of plough in thin coal seam face 刨煤机在薄煤层工作面中的应用
- 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
- Further description is made on the application and testing results of hydraulic prop in the deep well mining of slowly inclined thin ore vein. 还进一步介绍了水压支柱在深井缓倾斜薄矿脉开采中的使用情况和一些测试结果。
- hydraulic support in the thin coal seam 薄煤层液压支架
