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1)  degassing hole
排放瓦斯钻孔
2)  firedamp drainage drill
排放瓦斯钻机
3)  high-positioned bore-hole for gas extraction
高位钻孔瓦斯抽放
4)  gas discharging
瓦斯排放
1.
Study of intelligent gas discharging system based on switch resistance motor;
基于开关磁阻电机智能瓦斯排放系统的研究
2.
It is effective to apply it in gas discharging in order to improve accuracy of control and communicate with other equipment the technology since S7 serial PLC has been mature.
目前的S7系列PLC技术已经非常成熟 ,将其应用在煤矿井下会提高瓦斯排放的可靠性和控制精度 ,并且便于实现与其他设备的通讯 ,根据井下瓦斯排放要求制定了相应的控制策略 ,并选用适当的硬件设施和软件编程 ,在五阳矿的应用证明 :基于S7- 2 0 0的瓦斯排放装置能非常好地适应现场工作环境 ,并且运行可靠 ,必将会有广阔的市
3.
Through the analysis on gas discharging in Jining coalmine II, and on the basis of the gas density and the specific conditions of roadways arrangement, this aritcle, in order to achieve promptness, safety and high efficiency, integrates many effective gas discharging methods, such as full pressure ventilation, auxiliary fans and drill-holl ventilation, and so forth.
通过对济宁二号矿瓦斯排放工作的分析,根据井下的巷道具体情况及瓦斯含量,采取全风压通风系统排放、局部通风机排放、钻孔压风排放等方法,达到了快速、安全的目的。
5)  gas drainage
瓦斯排放
1.
Based on analyzing the defects from which traditional gas drainage suffers,the paper offers a new gas exhausting method without over-limitation and a closed-loop control system for gas exhausting based on frequency conversion technology.
在分析传统瓦斯排放方法所存在缺陷的基础上,提出了一种瓦斯无超限自动排放方法,设计了一种基于变频调速技术的闭环型瓦斯排放系统,介绍了其基本构成和工作原理。
2.
The partial ventilator in the coal mine is important in mine digging, its dependability and efficiency affect directly the safety of gas drainage.
智能瓦斯排放系统是以DSP为控制核心 ,采用变频调速驱动局部通风机 ,根据瓦斯浓度自动进行风量调节 ,控制瓦斯排放系统的排放速度 ,实现煤矿安全生产自动化 ,达到既节能又安全排放瓦斯的目
3.
Using the RFPA~(2D)-Flow to simulating the process of the gas drainage in low air permeability coal bed by slotting, it prove that slotting is an efficient technique to reduce the risk of coal and gas out bursting.
同时,数值试验对难以准确监测的煤层内瓦斯压力和瓦斯渗流场的变化规律进行了较好的模拟,为进一步理解瓦斯排放、煤与瓦斯突出机理等提供理论基础和科学依据。
6)  gas discharge
瓦斯排放
补充资料:排放
1.排泄放出。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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