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- Gas drainage from roadway in roof rock is used in Yangquan Coal Mining Administration and comprehensive gas drainage based on gas source is used in Songzao Coal Mining Administration. 阳泉局采用顶板岩巷抽放法,松藻局采用针对瓦斯源的综合抽放方法。
- Comprehensive Gas Drainage Technique for Coal-plough Face 刨煤机工作面瓦斯综合抽放技术
- Practice on comprehensive gas drainage to improve mine gas drainage rate 实施瓦斯综合抽放提高矿井抽放率
- comprehensive gas drainage 瓦斯综合抽放
- Transforming Mine Gas Drainage System and Raising Gas Drainage Rate? 粉尘作业人员的饮食要注意什么?
- One of the major problems is that the designed gas drainage schemes have no scientific theon basis. 但是瓦斯抽放方案设计没有科学的理论依据是目前存在的主要问题之一。
- A kind of hydraulics system for CKS-I hydraulic gas drainage drilling rig was designed. 介绍了一种自主设计的CKS-I型全液压瓦斯抽排放钻机的液压系统。
- The practice of gas measuring and gas drainage when shaft developed through gasy seams in Hudi mine is introduced. 介绍了胡底煤矿在竖井开凿遭遇高瓦斯煤层时,进行瓦斯测定和瓦斯抽排的工程实践。
- Combining with the actual situation in Qianqiu coal mine, the technology for comprehensive gas treatment in spontaneously inflammable and specially thick coal seam is introduced. 结合千秋煤矿实际情况,介绍了易自燃特厚煤层瓦斯综合治理技术。
- In order to obtain a good result of gas drainage in gob roof, the control methods of gas from goaf are discussed. 摘要为了在采空区顶板实施瓦斯抽放技术获得较高的瓦斯抽放效果，对采空区瓦斯治理方法进行了探讨。
- HDPE with fire retardance and antistatic property has been developed and used to make gas drainage pipe in the coalseams. 研制了具有阻燃及抗静电性能的HDPE,并将其用于制作煤层瓦斯抽放管。
- Research result shows that controlling blasting technique is feasible to improve gas drainage under suction in hardness and low dialyzing coal bed. 研究表明，该技术用于坚硬低透气煤层，提高矿井瓦斯抽放率是可行的。
- Connecting with the actual situation of Yinying Coal Mine of Yangquan City, Shanxi province, this paper probes into the safety measures of comprehensive gas control and other problems. 结合山西省阳泉荫营煤矿的实际情况,就瓦斯综合治理的安全措施等有关问题进行了探讨。
- Gas drainage in high gassy coal seam with low gas permeability is always an hard solved significant technology problem in the process of safety production. 高瓦斯低透性煤层的瓦斯抽放,一直是煤矿安全生产过程中的重大技术难题。
- CMM is one of the most dangerous factors which affect mine safety.China has preliminarily set up a comprehensive gas control system which needs to be perfected both in content and form. 煤矿瓦斯是影响煤矿生产安全的最大危险因素之一,我国已经初步确立了煤矿瓦斯综合治理制度体系,但在形式和内容上均有待完善。
- Through the testing research about gas drainage on outsize coal sample, the relativity of coal mass deformation and drainage quantity &time is opened out. 通过大煤样的瓦斯排放试验研究,揭示了顺序加载与逆序加载下的煤体变形与瓦斯排放量以及排放时间的相关性。
- The paper describes the determination of rational location of high-located gas drainage roadways in Laowuji Mine of Panjiang Coal & Electricity (Group)Company. 介绍了盘江煤电(集团)公司老屋基矿高位瓦斯抽放巷道合理位置确定的有关情况。
- It proved that gas drainage with high position bores and elevation bores can both reduce laneway digging work and get fairly good gas extracting result. 实践表明高位抽放与仰角抽放方法相结合,既可减少钻场施工,又有较好的抽放效果。
- The partial ventilator in the coal mine is an important equipment in mine digging,its dependability and efficiency affect directly the safety of gas drainage. 局部通风机是煤矿井下掘进过程的重要设备,其使用的可靠性和效能直接影响着瓦斯的安全排放。
- The model quantitatively describes the influence of gas production, gas drainage radius, gas pay thickness, and permeability, etc. on highness and distribution of water cones. 建立了底水气藏水锥高度与分布模型的求解方法:假定气相流动为平面径向流并不考虑气相非达西流动,可以求出模型的解析解;
