1) full mechanized sublevel caving bow incline mining
综放俯斜开采
1.
On the basis of the theory analysis and site observation,the power and performance of coal_cutters in steep seam full mechanized sublevel caving bow incline mining have been studied.
以理论分析、现场实测为基础,研究了大倾角煤层综放俯斜开采采煤机的受力及工作状态;提出了加高滑靴,调整摇臂摆动范围的采煤机防斜试验设计方案,并进行了现场试验与测试。
2) sloping mining approach
俯斜开采
1.
The sloping mining approach will lead to high productivity and efficiency and result in better economic benefits.
对陈四楼煤矿21108综采工作面大倾角俯斜开采中所遇到的技术管理难题进行了分析,特别指出了在设备防滑、防窜矸、皮带巷防煤(矸)滚落伤人等方面的安全技术管理难点和重点,提出了解决问题的有效措施,使大倾角综采工作面俯斜开采实现了高产高效,取得了较好的经济效益,为大倾角综采工作面俯斜开采积累了经验。
3) oblique mining
伪俯斜开采
4) down-dip strip mining
俯斜式开采
1.
In order to effectively use resources to enhance mine recovery rate,the paper studied down-dip strip mining method under the village,different plans were compared based on the actual situation.
为了有效利用资源,提高矿井采出率,对村庄下压煤区域条带开采方法进行研究,根据实际情况,进行方案比较,认为采煤工作面沿走向布置,倾向向下推进、俯斜式开采优点突出,应用该方法可以缩短采面准备工期,提高产能,实现连续生产。
5) pitching oblique mining
俯伪斜开采
1.
Aimed at the problem on protection scope demarcation of upper steeply inclined protective seam of pitching oblique mining,based on the method of three dimensional fast Lagrange method,the dynamic development process of stress distribution and deformation of protected coal seam with exploitation of steeply inclined protective seam of pitching oblique mining were simulated using FLAC~(3D).
针对急倾斜煤层上保护层俯伪斜开采的保护范围划定问题,采用三维快速拉格朗日法,通过模拟上保护层俯伪斜开采后被保护层的应力场及变形场的动态发展过程,确定了随着上保护层工作面的推进,被保护层的垂直层理面应力和煤层变形规律;根据上保护层开采后的应力卸压保护准则和煤层变形保护准则,确定了上保护层沿走向和倾向的保护范围。
6) full-mechanized caving mining
综放开采
1.
Aiming at the characteristics of large falling height and complex falling configuration in full-mechanized caving mining,three-dimensional distinct element code-3DEC is employed to simulate falling rules of surrounding rock in gob,movement direction of rock beam and possible dynamic loading brought by it with different collapse geometry parameters in full-mechanized caving mining face.
基于综放开采,采空区冒落高度大、冒落形态复杂的特征,采用三维离散元程序3DEC模拟分析了综放工作面岩层不同垮断几何参数时的采空区覆岩冒落规律、岩梁运动趋势及其对采场可能带来的动载荷。
2.
According to Datong "dual hard" full-mechanized caving mining conditions,the practice of fire prevention and extinguishment technology by optimizing the ventilation systems,balancing gas pressure,spraying frog in working face,injecting nitrogen into coal seam,and grouting into gob in full-mechanized caving mining face was discussed.
针对大同两硬条件综放开采的特点,论述了利用通风系统优化、均压防灭火、工作面喷雾阻化、注氮惰化、采空区注浆等综合防灭火技术防治自然发火的实践,对其他矿区有一定的参考价值。
3.
Based on in-situ observation of underground pressure in full-mechanized caving mining coal seam with large dip angle and 1000m deep in Zhaogezhuang Colliery,Kailuan Group,the behavior of underground pressure of mining face with large dip angle is fully analyzed in this paper.
结合开滦赵各庄矿千米深部大倾角综采放顶煤的开采,通过现场矿压观测,较全面地分析研究了大倾角工作面的矿压显现规律,提出了影响大倾角煤层开采矿压的因素及大倾角工作面综放开采矿压显现的新特征。
补充资料:令狐相公俯赠篇章斐然仰谢
【诗文】:
鄂渚临流别,梁园冲雪来。旅愁随冻释,欢意待花开。
城晓乌频起,池春雁欲回。饮和心自醉,何必管弦催。
【注释】:
【出处】:
全唐诗:卷358-12
鄂渚临流别,梁园冲雪来。旅愁随冻释,欢意待花开。
城晓乌频起,池春雁欲回。饮和心自醉,何必管弦催。
【注释】:
【出处】:
全唐诗:卷358-12
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条