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- coal face supports 回采工作面支护
- 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。
- Research and practice of monitoring coal face supporting quality in composite roof 复合顶板采场支护质量监测方法研究与实践
- Through changing the face support fashion,the hard roof is managed by cutter top supports to increased cutter top resistance in Qitaihe Tiexi Coal Mine. 七台河铁西煤矿通过改变工作面支护方式,使用切顶支架增大切顶阻力来管理坚硬顶板,使坚硬顶板得到了较好的控制,杜绝了顶板事故的发生。
- 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 middle pan of scraper conveyor not only is main transport passage way of coal face,but also the base of shearer haulage and connector with hydraulic supports. 刮板输送机中部槽是输送煤炭的通道,是采煤机运行的基座,是液压支架的连接体,对其进行优化设计可以降低生产成本,提高整机的可靠性。
- 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;
- A brief comment has been made on the structure models of the overlying strataand the principles for determining the load acting upon the face supports. 本文简述了采场上覆岩层的结构模型及其形成的“给定变形”概念以及原有采场支架受载大小的计算原则、实际测定结果及其存在的问题。
- 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。
- 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。
- Stem to wedge connection is inside the seating faces supporting the wedge ears during opening. More robust with less mass. 在开启期间,阀杆与楔板的连接位于阀座表面支撑内。既降低重量,又增加稳固性。
