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- Comprebensive Automatic Mining of Thin Coal Seam with Manless Working Face 综合自动化无人工作面开采薄煤层
- mining of thin coal seam 薄煤层开采
- 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 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。
- Application of thin coal seam plough 薄煤层刨煤机的应用
- Application on strip mining technology of thin coal seam under hard roof in Yangzhuang coal mine 坚硬顶板薄煤层条带开采技术在杨庄煤矿中的应用
- Research on ways of high production and high efficiency of thin coal seam 薄煤层高产高效途径探讨
- 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;
- Superficial View on Origin of Thin Coal Seam s in Low er Perm ian Tongziyan Form ation,Sanm ing Prefecture,Fujian Province 福建省三明地区下二叠统童子岩组薄煤层成因浅析
- Discrimination of Formative Factor of Thin Coal Seams 薄煤层的形成因素辨析
- 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。
- Hereby the safety of the combined mining of thin seams under the close gob water was evaluated. 根据分析的结果评价了临界距离老空水下薄煤层联合开采的安全性。
- Analysis and Control Countermeasures of Fracture Water Irruption in Roof Sandrock of No.4 Coal Seam in Mine of Hengyuan Co. 恒源公司矿井4煤层顶板砂岩裂隙水突水分析及治理。
- 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 coal seam of fully mechanized top-coal caving face 1151(3) in Xieqiao coal mine of Huainan mining area is soft and loose,and is of low permeability and poor wetting condition. 基于淮南矿区谢桥煤矿1151(3)综放面,煤层松软、渗透性低、湿润性差的特殊条件,采用煤层注水工艺技术降尘,在注水孔布置方式及参数、注水孔封孔工艺、注水工艺等方面采取一定的技术措施。
- And then studied the area channel flowed along and destructiveness to the coal seam, provide a reference for the mining of coal seam 8 in middle to deep part of the minefield. 并对古河流的流经区域和煤层的破坏程度作了研究,为井田中深部八煤层的开采提供了参考依据。
- 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。
- We take the 14# coal seam of Xiaonan coal mine of Tiefa basin as an example and analyse the geologic agent systematically which influences the gas content. 未开采煤层瓦斯含量及影响因素研究,是煤矿安全生产的重要基础研究工作,以铁法盆地晓南矿未开采的14%23煤层为例,系统分析了影响瓦斯含量的地质因素。