炮采放顶煤工作面,blasting coal face with sublevel caving
1)blasting coal face with sublevel caving炮采放顶煤工作面
英文短句/例句
1.Research on Law of the Presentation of the Mine Pressure with caving-working-face炮采放顶煤工作面矿压显现规律研究
2.Practice of "Two Wining and One Caving" Technique on Blasting and Top-coal Caving Working Face“两采一放”工艺在炮采放顶煤工作面的实践
3.Study on Laws of Rock Pressure Appearance at Blasting Caving Coal Face in Hezhuang Coal Mine何庄煤矿炮采放顶煤工作面矿压显现规律研究
4.Practice on Mining Method Changing from Top Coal Caving Mining to Top Slice Mining工作面由放顶煤开采改为顶分层开采的实践
5.Application of High-pressure Water Injection in Coal Seam at Fully Mechanized Caving Face煤层高压注水在综采放顶煤工作面的应用
6.Application of the Light Breaking Props on the Comprehensive Mechanized Mining Faces in Malan Coalmine轻型放顶煤支架在马兰矿综采工作面的应用
7.Study on Reliability of the Man-Machine-Environment System of Top-Coal Caving Fully-Mechanized Face;放顶煤综采工作面人—机—环境系统可靠性研究
8.On the Valid Way of Preventing Dust Ash on Synthetical Coal Face;谈综采放顶煤工作面综合防尘的有效途径
9.Mining Practice of Crossing the Working Surface Which Put Goes Against the Coal By Support Hangs Moving悬移支架放顶煤工作面跨石门回采实践
10.Study on Top-Coal Caving and Drawing Capability and Roof Control in Hard Coal and Hard Roof Short Sub-Level Caving Fully Mechanized Face“两硬”短工作面综放开采顶煤冒放性及顶板控制技术研究
11.Top Coal Crushing Mechanism and Determination of Roof Caving Height in Roof Caving Workface放顶煤工作面顶煤破碎机理及放煤高度的确定
12.Support Density Calculation and Roof Management in Blast Mining Face炮采工作面支护密度计算及顶板管理
13.Brief analysis of the issues needing to be paid attention when forced caving of full-mechanized mining face of coal mine浅析煤矿综采工作面强制放顶时应注意的几个问题
14.Making Trial of Forward Supporting Hydraulic Support for Fully Mechanized Coal Caving超前支护式液压支架在综采放顶煤工作面的试用
15.Study and Application on Safety Control of Roof at Coal Face;采煤工作面顶板安全管理的应用研究
16.Evaluation of Top Coal Caving Characteristics for 1604 Fully Mechanized Caving Face of Lutian Coal Mine路天煤矿1604综放工作面顶煤冒放性评价
17.Increasing Rate of Coal Mining with Improving Coal Caving Technology at Fully Mechanized Face改进综放工作面放煤工艺提高回采率
18.Thin seam mining coal face pressure gun control and production safety薄煤层炮采工作面矿压控制与安全生产
相关短句/例句
fully mechanized top coal caving face综采放顶煤工作面
1.Based on the analysis of surrounding rock movement of an old roof collapsed roadway parallel to afully mechanized top coal caving face, the new technique of filling this kind of roadway with the material with high water content was put forward.基于对综采放顶煤工作面高冒空巷围岩活动规律的分析 ,采用高水速凝材料充填高冒空巷 。
3)fully mechanized coal face with top-coal drawing放顶煤综采工作面
1.Application of water-spraying dust control technique for thefully mechanized coal face with top-coal drawing;喷雾降尘技术在放顶煤综采工作面的应用
4)caving-working-face炮采放顶煤
1.Research on Law of the Presentation of the Mine Pressure withcaving-working-face炮采放顶煤工作面矿压显现规律研究
5)top-coal caving face放顶煤工作面
1.The ZDYJ-ⅡB infrared instrument was used to observe the strata and the strata behavior of C142top-coal caving face of Ciyaopu No.为了研究高韧性煤层综采放顶煤工作面的矿压显现规律,采用ZDYJ-ⅡB红外式综采支架压力监测仪,对宁夏磁窑堡二矿C142高韧性煤层综放工作面矿压进行了监测。
2.The special emphasis is put on studying the changes of caving zone height and rock-fracture zone position intop-coal caving face of the down-seam after excavation of the upper-seam.根据相似理论,以义马常村煤矿开采条件为地质原型,采用中比例相似材料模型进行重复试验,研究近距离煤层上层煤开采时顶板岩层移动特征,重点研究上层煤采后下层煤放顶煤开采时,垮落带高度和裂隙带层位的变化,揭示了“砌体梁”结构向高层位的发展,以及“岩-矸”类拱结构的存在,说明了放顶煤工作面以静载荷为主、动载系数较小的原因。
6)Caving mining face放顶煤工作面
1.Introduces technical parameter,structure characteristic,manufacture and under ground test of SGZ730/110 type conveyor before supports and conveyor behind supports that use in a shortwall all mechanise caving mining face.详细地介绍了用于短壁综采放顶煤工作面的SGZ730/110型前、后部刮板输送机的主要技术参数、结构特点、制造及井下试验情况。
延伸阅读
综采放顶煤综采放顶煤：厚煤层煤炭开采技术之一。把原来分层开采的煤炭，一次采完。方法是，在煤层底部按传统方法开采，使上面的煤炭在矿压的作用下，自动落下来。
