工作面通风方式和风量对采空区沼气涌出量的影响不容忽视，作者通过模型实验对这种影响进行了定量分析。
The Face ventilation systems and airflow quantity influence the goaf gas emission to a considerable extent. This influence is quantitatively analysed by means of model experiment.
本文介绍了实验方法、装置和结果，提出了关于风量以及常见的几种工作面通风方式对采空区沼气涌出量影响的修正方法和系数。
The design, apparatus and results of the experiment are shown. The modification of goaf gas emission under the conditions of several common face ventilation systems and airflow quantity is given.
本文提出了一种全新的综放工作面通风系统：顶层瓦斯巷小煤柱外错底层回风顺槽布置，具体是一种放顶煤工作面顶板排瓦斯巷位置的改进。
This paper proposes a new working face ventilation system: top gas tunnel small pillar outside the bottom return air laneway layout, in other words, which is gas tunnel location evolution.
本文用统计分析法介绍和分析了我国煤炭开采中，采煤工作面采用的各种通风系统并对比其优点和适用范围。
This paper analysis a variety of ventilating systems adopted in the coal face in mining coal of our country by using the method of statistics and compares their advantages and the range available.
介绍了煤巷掘进工作面局部通风管理方法及管理经验。
The paper intrtroduced some partial ventilation management methods at driving face in coal tunnel.
开展综合防尘达标活动，加强贯通地点通风管理，强化工作面隅角等重点区域气体监测。
Undertake a comprehensive dust compliance activities to strengthen the linking site ventilation management, and strengthen key areas such as face corner gas monitor.
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.
给出了回流区平均速度、最大回流速度及射流作用距离的计算模型，为掘进工作面合理有效通风提供了新的理论依据。
The calculation models are set up on average speed and Max speed in back field and jet effect distance, new theoretical reference is provided for effective ventilation in heading fa.
提出了高沼气综采工作面沼气涌出的预测方法及合理通风参数的确定方法。
The authors propose a method of gas emission forecast and that of determining reasonable ventilation parameters in fully mechanized face with high contents of methane.
局部通风：矿山生产期间对无贯穿风流的独头工作面或独头硐室采用局扇加强通风。
Local ventilation: Portable blow is adopted by the airless end or airless adit for ventilation.
采用压入式通风时，风筒口距工作面在10米以内较适宜。
As forced draught was used, a distance less than 10 m from the venting duct to heading face was suitable.
回采工作面下行通风在我国许多地方的不同条件下均有使用。
The stope downward ventilation technique has been used under different conditions in many places of our country.
试验表明，采用高效除尘器对巷道凿岩工作面进行就地净化循环通风，能使工作面粉尘质量浓度符合国家工业卫生标准。
The test results show that dust concentrations in tunneling working face can be satisfied with the national health standard by a high efficient deduster.
结合寺河矿2301、3302、 3301工作面应用三进两回偏Y型通风方式，取得良好效果，上隅角瓦斯始终处于受控状态。
The application of three-down-two-up and inclined to Y type ventilation in work surface 2301, 3302, 3301 of Sihe mine has got good effects and the up corner gas is under control.
井下工作面圆环链主要是采用手工锯断或在加强通风条件下利用火焰割断。
At present, circle chain sawed adopts handwork and cutoff by flame under augmenting ventilation in coal work face of our country.
该系统以排放出的瓦斯体积分数为参量，通过PID算法来调节局部通风机转速，实现了掘进工作面瓦斯的安全排放，保障了煤矿井下的生产安全。
The system regards the gas volume fraction as the control parameters and regulates rotational speed of local fans by PID algorithm, thus making possible the safe gas drai...
该系统以排放出的瓦斯体积分数为参量，通过PID算法来调节局部通风机转速，实现了掘进工作面瓦斯的安全排放，保障了煤矿井下的生产安全。
The system regards the gas volume fraction as the control parameters and regulates rotational speed of local fans by PID algorithm, thus making possible the safe gas drai...
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