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- coal face machinery 采煤工作面机械
- 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。
- 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。
- 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;
- 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。
- 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。
- The main factors of influencing top corner gas on coal face in production was analysed by example. 通过实测,分析了实际生产中影响采煤工作面上隅角瓦斯的主要因素。
- 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 technology of super long coal face in three soft layers can be realized to excavate safely and effectively by the measurement in site. 通过现场实测表明三软煤层中布置超长工作面能够实现安全高效生产。
- The roadway forming along gob is to form a roadway by supporting along the gob behind the coal face.It serves for this coal face and next coal face. 沿空成巷是直接在工作面后方沿采空区边缘支护形成一条巷道,它服务于本工作面及相邻工作面,一巷两用。
- 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。
- Automatic lifting of shearer drum is one of key techniques of coal face automation, and its core is identification technique of coal and rock interface. 滚筒自动调高是实现采煤工作面自动化的关键技术之一,其核心是煤岩分界识别技术。
- 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。
- According to the characteristic of moving boundary of coal face , the authors set up the heat conduction differential equation and studied the dimensionless form of the equation. 根据回采工作面移动边界的特点,建立了动坐标下的围岩导热微分方程,研究了该方程的无因次形式;
- The result shows that the borehole destruction occurs in the dynamic process of coal face advancing, and it is more stable when the borehole location is close to tailgate. 认为钻孔的破坏是随着工作面推进而发生的动态过程,布置在靠近回风巷侧钻孔更加稳定。
- 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。
- At present the fully-mechanized blasting down coal face continues to use ordinary dustproof measure.In addition, some comprehensive dustproof measures must be adopted. 当前综采放顶煤工作面除沿用普通综采工作面采取的综合防尘措施外,还要采用一些综合的防尘措施。
- In order to study the dip strata displacement and side abutment phenomenon law in incline fully mechanized coal face we observed phenomenon of underground pressure in co. 为了研究倾斜综放采场倾向岩层运动与侧向支承压力显现规律,布置了覆岩破坏测区和侧向支承压力测区。