矿井

The sensor connecting the LED and annunciator,so it can detect the atmosphere of the coal mine a...

传感器利用数码管进行显示，并连接危险报警器，能够及时准确地监测矿井的气氛环境并对瓦斯爆炸等潜在危险进行预警，以保证矿井的安全。

The vast majority of China's coal mine gas, gas production in coal mine accident was the worst natural disaster in one of the accurate determination of coal seam gas pressure on the mine to the development of effective and reasonable gas control measures, forecasting coal and gas outburst danger , and are of great significance.

我国煤矿绝大多数是瓦斯矿井，瓦斯事故是煤矿生产中最严重的自然灾害之一，准确的测定煤层瓦斯压力对矿井有效而合理地制定瓦斯防治措施、预测预报煤与瓦斯突出的危险性，都具有重要的意义。

On the basis of a great deal of the experimental data processing and analysis, the combustion converted account reaction rate constant, the unstable heat-exchange coefficient variation law between the airflow and the roadway rock and the codomain determined under different fire conditions have been provided with the correctness of the theoretical calculation formula for description of the airflow energy loss of the fire area tested and verified, a large number of the basic data concerning mine fires obtained.

通过大量实验数据的整理分析，给出了矿井火灾时期燃烧折算反应速率常数、风流与巷道岩石间的不稳定换热系数的变化规律及不同火灾条件下的取值范围，验证了火区风流能量损失理论计算式的正确性，并获得了大量的矿井火灾基础数据。

A theoretical computation equation for determining air way reliability during mine fire is put forward. The failure mode of air way during mine fire is analyzed. A disjoint minimal path set algorithm based on network simplification technology and truncation error theory for computing the reliability of large scale ventilation network during mine fire is put forward.

提出了矿井火灾时期风路可靠度的理论计算式，分析了矿井火灾时期风路失效模式，提出了适合计算大型通风系统在火灾时期可靠度的"基于截断误差理论和网络简化技术的不交化最小路集算法"。

This paper has discussed three main modes of coal mine construction and development, This paper also points out that the development core is an independent innovation and energy economization.

结合矿井开采发展的历程及我国矿井建设和发菜的三大模式。通过机器技术经济效益评价指标的分析，提出了煤炭工业发展的核心是自主创新和节能。

At the same time, the technology of coal mining also developer quickly, compare with before mine exploitation is much more centralize, production and new building mine are increasing accretion. Because of this the character of mine size, exploitation deep, assistant exaltation and gas effuse are gradually increasing.

同时，采煤技术也迅速发展，矿井开采的集中化程度日益提高，生产和新建矿井的井型日益增大，逐渐形成井田尺寸小、开采深度大、辅助提升任务大和瓦斯涌出量增加等特点。

Various mining type explosion-proof equipments and apparatus, gas alarming apparatus , ventilator and ventilation testing apparatus , mining type wire rope and its flaw detector, mine engine transportation surveillance controlling system, hydraulic pressure supporter, mining type sensor ,breathing protection apparatus, mine escaping/self-saving apparatus, rescuing apparatus, communication apparatus, TV surveillance controlling apparatus, mine safety surveillance controlling system, mine information management system ,dust removing apparatus, mine temperature lowering apparatus, noise-proof apparatus, under-well lighting apparatus, safety sign, exposure suit, safety detecting ,supervising, surveillance controlling technology and apparatus, fire forecasting system, fire fighting apparatus ,tool ,fire engine ,fire extinguisher and so on.

煤矿安全、视频监控、劳动防护、矿山救护与灾害防治技术设备等：各种矿用防爆器材及电器、瓦斯报警设备、风机及通风测试设备、矿用钢丝绳及钢丝绳探伤仪、矿井机车运输监控系统、矿用传感器、呼吸防护设备、矿山逃生/自救设备、抢险装备、通讯设备、电视监控设备、矿山安全监控系统、矿山信息管理系统、除尘设备、矿井降温设施、噪声防护设备、井下照明设备、安全标志、防护服装、安全检测、监测、监控技术及设备、火情预报系统、救火设备、工具、消防车辆、灭火器材、通风、排水等各环节技术装备等。

On the base of the analysis of the safety situation and the safety evaluation,this paper put forward that the mine produce system is constituted by person,thing and environment,and the system is complex disaster three-dimensional system in space distributing.So Mine safety evaluation ought to be established in person,thing and environment,and then analyze and judge on mine safety system from the danger factor,the safety evaluation index,the frame model of safety evaluation and the comprehensive evaluation m...

本文在分析我国矿山安全生产严峻局势和矿山矿井安全评价国内外现状的基础上，提出矿山井下生产系统是一个由人、机、环境三方面所组成的、空间分布极其复杂的灾害系统，其安全评价应立足于人、机、环境三方面进行系统的分析与判断，并从危险因素、安全评价指标及权重、隶属函数、安全评价结构模型、综合评价方法等方面出发，以掌握矿山矿井系统的安全状态，为矿山安全管理体系的整改提供依据。

An embedded mine refuge chamber lifesaving cabin body is arranged inside a mine chamber; the cabin body is a sealed inflated flame-retarding double-layer lifesaving cabin body; a compressed air pipeline port running through the cabin body and a communication data interface are arranged on the cabin body; and a double-line central oxygen supply lifesaving system, a carbon dioxide absorber, a power carrier communication machine, a UPS power source, an RFID personnel identification system, a visual safety monitoring system, an automatic toxic and harmful gas detector, a sealed physiological excretion discharger and a survival food storage cabinet are arranged inside the cabin body.

本发明提供了一种嵌入式矿井避难硐室双气路集中供氧救生系统，它为在矿井硐室内部安设有嵌入式矿井避难硐室救生舱体，舱体为阻燃密封双层结构充气式救生舱体，在舱体上设置有穿过舱体的压风管路接口和通讯数据线接口，其内部设有双气路集中供氧救生系统、二氧化碳吸收器、电力载波通讯机、UPS电源、RFID人员身份识别系统、视频安全监控系统和有毒有害气体自动检测仪、密封生理排泄器和生存食品储备柜，双气路集中供氧救生系统连接有空气、氧气集中供氧面罩，并连接压风管路接口，电力载波通讯机连接通讯数据线接口。

With increasing the production capacity of the mine, more hoisting ability and more safety performance of AC drived hoist are much required.

目前矿井交流提升机在我国矿井生产中仍占有很大的比例，随着矿井生产能力的不断提高，对交流提升机的提升能力和安全性能提出了更高的要求。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。