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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;
- unmanned coal face mining 无人工作面开采
- This old coal face is to be reworked next week. 这个旧的采煤工作面下周将重新开采。
- He has worked at the coal face for eight hours. 这矿工在工作面上已经干了八小时了。
- Cutting dust is the rootstock in coal face by analyzing the dust root in mine. 通过对煤矿尘源的分析可知,截割粉尘是采掘工作面粉尘的根源;
- Air leak seriously influences coal face supersedure at second air road of Dongyi mining area. 东一采区二段风道小井漏风严重影响了采煤工作面的接续,制约采区巷道维修。
- 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;
- It is a main part of the aspirating system of the coal face. 设计的任务主要是对喷雾泵进行设计并进行必要的校核。
- This paper introduces the methods and measures of the adjustment of support tilt caused by ultrahigh mining in fully mechanized coal face. 本文介绍了综采工作面回采超高时倾斜歪倒支架调整的方法及措施。
- The blasting mining caving coal face,large indination and overhand mining technology is successfully applied in Chaohua Coal Mine of Zhengzhou Coal Industry Group Comp. 郑州煤业集团超化煤矿采用炮采放顶煤工作面大倾角仰采技术取得成功,解决了大倾角采煤工作面的支架失稳问题。
- We carried similar material imitation with up-dip mining method experiment,with it we studied the cover rock movement and breach laws in incline fully mechanized coal face. 本课题在实验室做了“仰斜开采覆岩结构破坏规律相似材料模拟”试验,通过试验研究了倾斜综放采场覆岩移动破坏规律。
- The paper described in detail the high undercover large mining coal face roof control the basic requirements of the roof control and the strengthening of specific measures. 该文详细叙述了大采高卧底煤工作面顶板控制的基本要求和加强顶板控制的具体措施。
- Analyses the factor that effect on the percentage of recovery in longwall mining with caving coal face,approaches the access to raise the percentage of recovery. 分析了影响综采放顶煤回收率的因素,探讨了提高回采率的途径。
- HE Ye,PENG Fei,HU Xue-jun,et al.Monitoring and control of rock burst in island coving coal face[J].Journal of China University of Mining &Technology,2004,33(5):569-572. [4]何烨;彭飞;胡学军;等.;济二矿首例孤岛综放面冲击矿压监测治理[J]
- Study on efficient unmanned coal planer working platform mining technique 高效无人刨煤机工作面的开采技术研究
- The article summarize by the numbers construction practice and mine of high effciency on safety in the single hydraulic prop cannon coal face and quality in Huainan mine area. 文章系统地总结了淮南矿区单体液压支柱炮采面安全高效开采的基本经验和具体做法,提出了淮南矿区单体液压支柱炮采面今后的发展方向。
- I am quite unmanned by the news. 那消息使我茫然若失。
- Study was conducted on the roof of No. 3604S4 coal face and the actual mining roadway with fractals, and a few kinds of functional values of subsidence velocity of this face were obtained. 用分形对3604S4工作面和回采巷道顶板进行了研究,得到了该工作面下沉速度的几种分维值。
- Unmanned by grief he broke down and wept. 他悲伤得不像个男子汉不禁哭了起来。
- Two models for output of mechanized coal face are constructed with Markovian theory. 利用马尔可夫理论,构造了两个机采工作面产量的模拟模型。
