通过网络并行电法数据体的三维电阻率反演,得到矿井工作面底板下三维空间的电阻率分布特征。
With 3D-resistivity inversion technology of the net parallel electrical data, the resistivity distribution 3D mine face floor is got.
工作面自燃发火是影响矿井安全生产的主要因素之一,对矿井工作面自燃发火进行有效的预防与控制,有着较高的社会效益和经济效益。
Natural fire in the working face is one of the factors impacting on secure manufacture in mines. Defend and control it effectively has upper societal and economical benefits.
利用灰色灾变预测理论,对某矿矿井工作面瓦斯涌出资料进行分析、研究,建立煤矿瓦斯涌出量灰色预测模型,并对矿井瓦斯涌出量变化趋势进行预测。
This method is more accurate than by traditional mine statistic method. Adoption of gray prediction theory, mine gas emission data was analyzed, gray prediction model of gas emiss…
在板定梁煤矿,矿井已被挖进山体深处,卡车司机开了30分钟才到达采煤工作面,装上煤之后满载而归。
At the small Bandingliang colliery, the pit has been dug so far into the hillside that truck drivers take 30 minutes to reach the coalface, fill up and return with their load.
以掘进工作面为例,进行矿井透水事故危险性评价。
Carry on dangerous appraisal of mine water leakage accident while regarding tunneling face as an example.
在塔山煤矿公司,郭海听取了该公司负责人就“六个标准”的编制、矿井安全生产以及2011年工作面衔接等情况的汇报。
Tashan mine in the company, Guo heard of the company responsible for "six standard" preparation, mine safety and the interface between face 2011 report on the situation.
由此得出,降段煤垛与移动抽放相结合的方法是高瓦斯矿井回采工作面瓦斯治理的有效方法。
We can conclude that the method that unites lower-sect coal stack method and mobile drainage method is an effective measure in the control of gas in the working face of high gas mine.
而在许多矿井的生产实践中,掘进工作面瓦斯涌出量却显示出与直接源涌出量不一致的特性,常常出现瓦斯涌出异常现象。
However in the productive practice of mining, the gas gush quantity in dig working face is different with the gas fountain, it often shows abnormity.
试验结果表明,采取的措施不仅对该矿综放工作面采空区火灾防治是合理有效的,对条件类似的矿井也具有参考价值。
The study indicates that the given means not only are effective for Wangying coal mine, but also have reference value for the coalmine with similar conditions.
介绍应用并行电法采集系统,在卧龙湖矿井103工作面进行底板探测。
This paper introduces the floor detection at 103 working face in Wolonghu Coal Mine by the parallel electrical survey system.
应用事故树分析中的最小割集、最小径集和结构重要度,对矿井采煤工作面瓦斯爆炸事故进行了研究。
Gas explosion accidents on the coalface of mines are studied, using minimal cut set, minimal radius set and structural importance.
矿井局部通风设备故障是导致掘进工作面较易发生瓦斯爆炸事故的主要理由之一。
Mine local ventilation facilities failure is one of the main reason which leads to the accident of gas explosions in heading face.
本文介绍煤矿井下掘进巷道锚杆支护工作面用于临时超前支护的一种可调配比式轻型乳化液泵站。
The paper introduces an adjustable compounding light-duty emulsion pump station used for temporary fore support at the roof-bolt face of underground heading roadway.
广泛应用于矿井下巷道,工作面切眼,峒室及其它领域的巷道支护,对处理不稳定围岩效果更佳。
It is widely used in coal mine roadway, working surface, and other fields of roadway. It got better efficacy on unstable surrounding rocks.
井下工作面侧帮超前探测技术是矿井直流电阻率探测新技术之一。
The side leading prospecting technique in underground working face is one of new underground galvanic resistivity prospecting techniques.
简要分析煤矿井下采煤工作面刮板输送机烧毁电机的主要原因,提出预防烧毁电机的管理方法和对策。
This paper briefly introduced the main reason for damage of the scraper conveyor motor in coal mine, providing the management methods and treatment in preventing from motor damage.
煤矿井下炮采工作面是一个非常复杂的灾害环境系统,又由于时间、空间的限制,使得炮采工作面爆破作业引发事故的可能性增加。
The coal face of blasting mine in underground coal mine is a very complicated system of disaster environment, the spatiotemporal limit increases the accident probability of blasting operations.
根据矿井采煤面瓦斯爆炸的一些典型事例,概括出导致瓦斯爆炸的基本事件,编制了采煤工作面瓦斯爆炸事故树。
Based on some typical examples of gas explosions on the coalface, the basic events resulting in gas explosions are generalized and a fault tree is drawn.
并将此技术用于煤矿井下采煤机和炮掘工作面,取得了很好的降尘效果。
It has tnade a good results to use the techniques on the shearers and in the heading faces in coal underground.
阐述了矿井采区工作面供电设备选型方法、供电设计的步骤,及提高采区供电电压的意义。
The paper elaborates the selecting method of power supply equipment, the step of power design as well as the significance of raising voltage in mining area.
从守恒原理出发,导出了描述矿井回采工作面风流紊流流动和温度分布的微分方程。
According to the principle of conservation, differential equation which can describe airflow temperature distribution in state of turbulent flow in mine working face is deduced.
但是由于在煤矿井下采掘工作面使用的电气设备和控制设备,必须是隔爆型或本质安全型设备。
As the use of coal underground mining face of electrical equipment and control equipment, must be flameproof or intrinsically safe type equipment.
根据矿井生产能力和煤层赋存状况,采用工作面装备大功率设备,实现矿井高产高效。
According to present situation about the ability of yield and richness of coal storage, our mining district will be equipped with higher power facilities within working area.
经过优化的三机配套方案后,新矿集团的各生产矿井的短壁综放工作面均实现了高产,取得了较好的经济效益。
With the optimized design, the short-wall top-coal caving face of the mines in Xinjiang Mining Group Co. , Ltd. , increase more or gain good profits.
煤矿井下综放采煤工作面存在瓦斯积聚、治理费用昂贵问题。
There are some questions exist in top-coal caving face like gas accumulation and high cost for treatment.
监测显示了工作面周围岩层的三维破裂形态和范围,为矿井确定防水煤柱的高度提供了可靠的依据;
MS monitoring results also show the 3_D shape and scale of strata fracturing, which are very useful to determine the height of waterproof in coal mine.
适用于有低瓦斯矿井煤层采掘工作面、半煤岩掘进工作面的爆破作业。
Suitable for the coal mining blasting work of mines with little gas inside and the blasting work of half coal rock mining.
适用于有低瓦斯矿井煤层采掘工作面、半煤岩掘进工作面的爆破作业。
Suitable for the coal mining blasting work of mines with little gas inside and the blasting work of half coal rock mining.
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