Coal Working Face

Technology and control of first roof caving in coal working face

采煤工作面初次放顶的技术与管理

Study of Effect of Shearer Parameters on Noise and Temperature of Coal Working Face

采煤机参数对工作面噪声和温升影响的研究

The fixing method of pillar resistance force on the top coal working face

综采放顶煤工作面支架工作阻力确定方法探讨

Improving Rear Conveyer in Full-mechanized Caving Coal Working Face

综放工作面后部输送机的改进

The Study on the Technique of Spraying Dust-proof in the Synthetical Mining Caving Coal Working Face

综采放顶煤工作面喷雾降尘技术

Research of Intelligent Inference and Graphical Presentation of Excavate Coal Working Face Supersedure in Coal Mine

煤矿采煤工作面接替的智能推理与图形化研究

On the basic of influence which shearer parameters acted on environment of coal working face , the article spread out analysis and research .

论文围绕采煤机参数对工作面环境的影响展开了分析与研究。

Analysis and Treatment of Drag-flight Conveyer 's Jumping and Sliding on the Low-roof Coal Working Face

低位放顶煤工作面刮板输送机窜滑分析及调整

The disaster of roof , methane , dust , flood , fire etc. on coal working face take a great part in the total accident of the whole coal mine .

采煤工作面的顶板、瓦斯、粉尘、水灾、火灾等灾害在煤矿事故占有相当大的比例。

The paper analysis the influence factors of spontaneous combustion in coal working face of underground coalmines and build a model to evaluate the risk of spontaneous combustion for coal working face .

通过对煤矿井下采煤工作面自然发火危险性影响因素的分析，论文建立了采煤工作面自燃危险性评价模型。

Based on the requirements of the full-mechanized caving coal working face and coal caving supporter , introduces the methods that how to improve rear conveyer using the existing conveyor , and analyzes its function .

根据综放工作面和放顶煤支架对后部输送机的要求，介绍了如何利用现有的输送机改造成后部输送机的方法，并分析了改造后输送机的性能。

This paper introduces the course of the accident of drag - flight conveyer 's jumping and sliding on the low - roof coal working face and the loss caused by it , analyzes the reasons of this accident , and puts forward some corresponding measures .

介绍了低位放顶煤工作面刮板输送机发生窜滑事故的工程及其造成的损失，分析了事故发生的原因，提出了相应的处理措施。

Application of roadway along goaf in coal mining working face oblique crossing fault

沿空留巷在采煤工作面过斜交断层中的应用

Analysing and preventing the troubles of the cable in machinery coal mining working face

机采工作面电缆故障的分析及预防

Simple discuss on abutting joint installation of fully-mechanized coal winning working face

浅论综采工作面的对接安装

The fast measurement principium and its application of the consistent coefficient of distant coal beyond working face

深部煤体煤的坚固性系数快速测定原理及其应用

It analyzed the feature of mountainous shallow-buried coal seam working face strata behavior through survey and measurement .

通过现场调研和现场实测对山地浅埋煤层开采工作面矿压显现特征进行了研究。

Practice of Support in the Air Return Roadway and the Loose Coal Seam Working Face with High-Methane

高瓦斯极松软煤层工作面及上风巷支护实践

The principle-auxiliary juxtaposition forward leading type with termination point supporting is of wide application in the fully-mechanized coal winning working face .

主副并列迈步前移式端头支架在综采综放工作面端头支护应用较广，虽有较好的支护效果，但也存在一些不足。

When long wall mining to the dip in fully-mechanized coal winning working face is inclined area , we may can 't use existing drift draw off water .

当倾斜长壁开采的综放工作面初采范围处于向斜构造区，造成初采放水无法利用已有巷道形成自流放水，必须考虑动力排水或其他的放水方式。

This paper has a statistics analysis with the water inrush coefficient from the mined lower-group coal mining working face and puts forward the limit of the water inrush coefficient in Yanzhou coal mine area .

统计分析已开采下组煤工作面的突水系数，提出了兖州矿区突水系数界线。

BP Neural Network Modeling for Predicting Coal Production of Working Face

预测煤矿回采工作面产量的BP网络模型

The analysis of breaking result of caving top coal on a working face

放顶煤工作面顶煤破碎效果分析

This result were validated at the mining experiment in Sima Coal Mine 1101 working face .

研究结果在司马矿1101工作面的开采试验中得到了验证。

Review and Determination of Leading Infection Zones of Coal Mining at Working Face of Comprehensive Light - duty

轻放工作面超前采动影响带范围考察确定

Study of elimination outburst mechanism of middle-high pressure injecting water measure in coal mine drilling working face

煤巷掘进工作面中高压注水措施消突机理研究

Using 2D - a finite element numerical simulation software , has carried on the numerical simulation experiment to study to the systematic model of coal rock of working face .

采用2D-σ有限元数值模拟软件，对工作面煤岩系统模型进行了数值模拟实验研究。

Both sides coal pillar of working face and coal-rock mass below coal pillar are located in support stress area , supporting stress concentration factor gradually reduces with the increasing of depth , but the affection areas gradually expand to both sides .

工作面两侧煤柱及下方一定范围的煤岩体处于支撑应力区，支撑应力的集中系数随层间距的加大逐渐减小，但影响范围逐渐向两侧扩大。

Methods and measures of increasing the coal recovery at comprehensive working face

提高综放面回采率的方法及措施

Simulation Research on Top Coal Movement at Fully-Mechanized Working Face

综采放顶煤的离散元模拟研究