这两种薄煤层在形态上有相似之处,容易混淆。
These two kinds are morphologically similar and easy to be mixed up.
薄煤层开采是许多矿井煤炭开采中不可避免的问题。
A coal mining in thin seam is an inevitable issue of coal mining in many coal mines.
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。
Hereby the safety of the combined mining of thin seams under the close gob water was evaluated.
详细介绍了电磁滑差调速薄煤层采煤机的开发设计思路、结构特点;
The paper introduced the development, design and structure of the thin seam coal shearer with an electric magnetic sliding differential speed control in detail.
介绍了非正规采煤法“树枝状”采煤法在极薄煤层开采中的实际应用;
The actual application of the irregular mining method "tree branch form" mining method in the coal pipe is introduced.
在含其它结核的薄煤层、普通薄煤层以及中厚、厚煤层同样可以采用。
The invention can be used for mining low coal seams containing other concretions, ordinary low coal seams, medium-thickness coal seams and high coal seams.
神火新庄矿薄煤层综合机械化采煤,主要是解决采煤设备的高度和功率问题。
The low-coal seam synthesis mechanized mining of Shenhuo Xinzhuang mine is mostly to solve the height and power problem of mining equipment.
文章简要介绍中国薄煤层煤炭资源的储存情况、薄煤层开采机械的几种类型。
The paper briefly introduced storage of thin seam coal resources in China as well as several type of mining equipment.
系统介绍了毫秒爆破技术在协合煤矿极薄煤层炮采工作面的试验及应用情况。
This paper systematically described the test and application of millisecond delay detonation technique in blast-Winning face of very thin seal in Xiehe Coal Mine.
介绍了一种薄煤层采煤支护设备—ZY3300/07/13D薄煤层液压支架。
Intrduces a equipment of low seam mining support-ZY3300/07/13D the low seam hydraulic support.
分析介绍了滚筒装煤、最大采煤高度、薄煤层输送机、薄煤层对采煤机的要求等问题。
This paper discusses coal cutting drum, coal loading, maximum coal cutting height, low coal seam conveyor and how the low coal seams restrict the use of coal shearers.
因此提出极近距离薄煤层群联合开采常规错距开采模型,并进行理论和物理模拟试验研究。
Therefore, the conventional staggered distance model of ultra-close thin coal seam group during combined mining is put forward; and the theoretical research and physical simulation are carried out.
介绍了一种新研制的极薄煤层采煤机液压锁的结构特点及工作原理,并对其进行了性能实验。
The structure and work theory of a new type of hydraulic lock of the thinnest coal seam shearer is described in this paper.
薄煤层煤矿的技术、科技及经济因素:第八届国际采煤论坛会议录,波兰,2007年2月。
Technical, Technological and Economical Aspects of Thin-Seams Coal Mining: Proceedings of the 8th International Mining Forum, Cracow - Szczyrk - Wieliczka, Poland, February 2007.
以现场实测结果为基础,利用数值模拟与反演方法分析了薄煤层联合开采的顶、底板破坏范围。
Based on the site actual measurements, the inversion analysis on the destroy range of roof and floor by the combined mining of thin seams was made by using numerical modeling.
介绍了滑差调速薄煤层采煤机的总体及牵引部、割部等各部性能特点;该机的出厂性能试验等。
The paper introduces the performance and the factory performance test of the slip speed-regulating low-vein miner.
本实用新型在保证顶梁强度的前提下有利于工人作业空间的增加,适用于薄煤层开采的液压支护设备。
The top beam according to the utility model is propitious to the increase of operation space for worker, and is more suitable for the hydraulic supporting device for thin coal layer exploitation.
对于极薄煤层煤与瓦斯的突出可能性分析,在以往实践中是个空白,所以在生产过程中认识和重视程度不够。
Regarding the extremely thin coal bed coal and the gas prominentpossibility analysis, in formerly practiced was a blank, therefore inthe production process knew and took the degree to be insufficient.
结合某矿采煤工作面实际情况,阐述了大倾角薄煤层工作面的关键技术处理措施,保证了煤下滑不窜入采空区。
Combining with the actual situation in coal face, expound the key technology for large inclined Angle thin seam face so as to assure that slided coal can't come in goaf.
通过对MG 150pw极薄煤层采煤机的参数、结构设计原理进行分析,论述在极薄煤层开采中的发展前景。
Through analysing the parameter, construction, designing principle of MG150PW extremum thin seam coal winning machine. This paper discusses its developing vista in extremum thin seam mining.
分析了平巷煤壁中预存裂纹尖端产生翼型张裂纹,形成薄煤层壳,薄煤层壳弯曲变形失稳引发冲击地压的机理。
The formation of thin coal shell that is formed by aerofoil cracks engendered at the tip of primary cracks in the entry's surrounding coal is analysed.
介绍了我国薄、极薄煤层赋存及开采状况,分析了薄煤层开采的技术及方法,并对薄煤层液压支架的设计进行浅探。
This paper introduces state of mining and reserving of thin and almost thin seam, analyses technology and methods of mining thin seam, meanwhile discusses design of hydraulic support in thin seam.
介绍了薄煤层前进式采煤的巷道布置、回采工艺及巷旁支护等,制定了切实可行的安全措施,取得了较好的经济效益。
The entry arrangement, actual mining process and side entry support of advanced mining at thin seam are introduced. The safe measures are made and has made good economic benefit.
简要地介绍了薄煤层前进采煤的巷道布置、回采工艺及巷旁支护等,制定了切实可行的安全技术措施,取得较好的经济效益。
The roadway manage, actual mining and support beside roadway in thin coal seam are introduced. Through planing reliable safety technology measures, better economic benefit has been achieved.
白坪井田太原组上段主要由三层灰岩(L7、L8、L9)、泥岩和薄煤层组成,L7灰岩位于该段底部,是一7煤层顶板。
The upper member of Taiyuan Formation in Baiping minefield is composed of three limestone layers(L7, L8 and L9), mudstone and thin coal seams.
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。
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.
对刨煤机工作面加面工艺进行了系统介绍,对合理的煤炭资源开采提供了更好的解决办法,并针对薄煤层开采设备特殊性作了细致的阐述。
The technics of adding face for plow face is introduced. The better solution way to reasonable mining coal resource is provided. The particularity of equipments for thin coal seam is expounded.
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 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.
通过数值模拟和现场实测的方法,研究了司马矿薄基岩厚煤层开采条件下,保证安全开采的极限基岩厚度。
Through the way of numerical simulation and locale measurement, we found the safety utmost bedrock ply at the condition of thin bedrock and thick coal seam in Sima coal Mine.
本文通过技术经济比较,对营城煤矿条件下,薄及中厚煤层群采区分层或分组的合理布置方式作了分析。用经济分析法确定了在这种条件下采区分组布置的合理界限。
Through the comparison of technical economy, this paper has analysed the proper layout of individual beds or separate groups for multiple seams of thin and medium thickness in the Ying Cheng Colliery.
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