1) drawing out gas
排放瓦斯
1.
New method of drawing out gas before the roadway threaded together -full air pressure drill draw method;
巷道贯通前排放瓦斯新方法——全风压钻孔排放法
2) 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。
3) 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。
5) gas discharge laneway
瓦斯排放巷
1.
According to the theory of filtration flow and ventilation network,numerical simulation on three zones distribution in goaf was made under the condition of without gas discharge laneway,one gas discharge laneway and two gas discharge laneways,as well as when the position of discharge laneway varies.
为了解瓦斯排放巷对采空区"三带"的影响,运用滤流及通风网络理论,模拟研究了无瓦斯排放巷和存在1条、2条瓦斯巷以及瓦斯巷位置发生变化时采空区"三带"分布。
6) gas drainage well
瓦斯排放井
1.
Designed depth of gas drainage well in Dingji coalmine is 851m,in which overburden 531m.
丁集煤矿瓦斯排放井设计井深851m,净直径630mm,其中表层土厚度约531m。
2.
Casings used in gas drainage wells have large diameter and heavy weight,during the lowering process,compressive collapsing is an ordinary phenomenon.
瓦斯排放井的套管具有直径大、重量大,在下入井筒过程中,经常出现套管被挤毁的现象。
补充资料：《大气污染物综合排放标准》(GB16297—1996)
《大气污染物综合排放标准》(GB16297—1996)
Integrated Emission Standard of Air Pollutants
、产切‘沪，‘，丫lO闪iwuronwuZonghe而而ngBicozhun《大气污染物综合排放标准)( GB 16297一19%)(加吨哪翻召动‘3fon及翔舰么rd ofA介护bll~)该标准于1卯7年l月1日起实施，是在原有工业“三废”排放试行标准废气部分和有关行业大气污染物排放标准的基础上制定，在技术内容上与原有各标准有一定的继承关系，亦有相当大的修改和变化。规定了二氧化硫、氮氧化物、颗粒物等33种大气污染物的排放限值，其指标体系为最高允许排放浓度、最高允许排放速率和无组织排放监控浓度限值。大气污染物综合排放标准主要控制对象为工业生产过程中排放的工艺尾气。按照综合性排放标准与行业性排放标准“不交叉执行”的原则，除锅炉、工业炉窑、火电厂、炼焦炉、水泥厂、恶臭物质、机动车执行各自的大气污染排放标准外，其他大气污染物排放均执行本标准。 (葛大陆膝静)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条