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- Practice on large ton grade compound mining face rapid moving 大吨位综采工作面快速搬家的实践
- Way of realizing high production and efficient in compound mining face with complex geology 在地质复杂区域综采面实现高产高效的途径
- compound mining face 综采面
- In the coal mining face underground, there are three core equipments including supporters, conveyors and shearers. 煤炭井工开采中,最核心设备是工作面的支架、运输机和采煤机。
- Cantilever beam of key strata breaks and caves into blocks,which is periodic weighting of mining face. 关键层悬臂梁破断垮落成承压砌块,其垮落及沿架后切落,形成工作面周期来压。
- The autumn wind marks a road trace on mine face, proves me in thissection of sentimental harvest. 秋风在我的脸上画上一道道痕迹,证明在这段感情上的收获。
- The feed way of the shearer is the important component of coal technology,it directly affects the output and benefit of the coal mining face. 采煤机的进刀方式是采煤工艺的重要组成部分,它直接影响到工作面的产量和效益。
- In large dip angle mining face,the antis-kid and anti-collapse question on hydraulic support is a key to mining successfully. 在大倾角工作面中,液压支架的防倒防滑问题是工作面能否顺利实现开采的关键。
- The charts were used to illustrate the dust distribution laws of coal mining face, heading face, during haulage, car-loading and tipping. 使用图表反映出采煤面、掘进工作面、运输过程、装车过程以及翻车时粉尘的分布规律。
- The advance support of intake and return aircourse needs a lot of plate girders in the comprehensive mechanized coal mining face. 综采工作面的进回风巷超前支护要用很多板梁。
- With the measured information, the paper analyzed the surrounding rock control results of the gob-side entry driving along the coal mining face. 在实测资料基础上,分析了综放沿空留巷围岩控制效果,得出的结论对综放沿空留巷推广应用具有指导意义。
- Several mud and sand flow accidents occurred from the goaf to mining face,which had seriously affect to the mine safety production. 梅河四井为急倾斜特厚煤层,采用水平分层综合机械化放顶煤开采,曾经多次发生采空区泥砂流溃入工作面事故,严重影响了安全生产。
- Dangerous strips with coal and gas bursting in mining face is divided to ensure safety mining and realization of high production and high efficiency. 对工作面进行煤与瓦斯突出危险条带划分,保证矿井安全生产的同时实现了工作面的高产高效。
- A new type self-walking advance timbering support set is adopted in longwall coal mining face of Halagou Coal Mine,Shendong Coal District by Shenhua Group Co. 神华集团神东矿区哈拉沟煤矿在长壁工作面回风巷中采用了一种新型自移式超前支护支架组。
- Two-prop shield powered support with high resistance and high reliability is development trend of modem powered support of mining face at home and aboard. 摘要国内外现代化矿井工作面液压支架发展趋势是高工作阻力、高可靠性的两柱掩护式高端液压支架。
- As the mining face of a certain accumulational bauxite deposit is large, the property of the stope soil has great influences on the mining activity during rains. 堆积型铝土矿床开采工作面大,雨季采场土壤的性质对生产影响严重。
- The air temperature of the mining face in the deep and high temperature mine to be over the limitation or not would be one of the main factors of the production capacity. 随着深部矿产资源的开发和机械化生产的集中,井下空气温度不断升高,高温矿井工作面空气温度是否超限是决定矿井生产能力的重要因素之一。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- During the preparative and mining process of fully mechanized coal mining face, meeting small fold is a premonitor that there may be concealed fault around the face. 在综采工作面的准备和回采过程中,小褶曲是可能存在隐伏断层的征兆。
- Taking the maintenance technology for a mine crosscut roadway under a mining face in above seam in a mine,the paper analyzed the cause of the mine roadway failure. 以某矿石门巷道受上部煤层工作面跨采影响条件下的维护技术为例,对巷道破坏的原因进行了分析,从提高围岩强度的角度出发,提出了在原支护条件下对被保护巷道进行注浆加固的方案。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
