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- fully mechanized high mining 大采高综采
- fully mechanized high cutting longwall coal mining 大采高综采
- fully mechanized high cutting mining 大采高综采
- Strata pressure behavior and control for fully mechanized high cutting coal mining face 大采高综采工作面矿压显现及其控制
- The paper is on the basis of big thickness, high ductility, bad cavibility of second coal seam in Lingwu mining district, and the fully mechanized top coal caving method is hard to broaden. 本论文选题针对灵武矿区二号煤层厚度大、高韧性、冒放性差,综采放顶煤开采工艺难以推广的技术难题展开研究。
- It is key problem to raise the top coal recovery rate of the fully mechanized sublevel caving mining. 提高顶煤放出率是综放开采的一个重大课题,预注水弱化顶煤是解决这一问题的有效方法之一。
- Finally, the paper considers that the fully mechanized coal caving mining is helpful to control outburst hazard. 认为:具突出危险性的厚煤层采用综采放顶煤开采法对消突是有积极作用的.
- This paper introduces the methods and measures of the adjustment of support tilt caused by ultrahigh mining in fully mechanized coal face. 本文介绍了综采工作面回采超高时倾斜歪倒支架调整的方法及措施。
- This article introduced applications,observation and research's actuality and developing trend of fully mechanized top coal caving mining under water. 介绍放顶煤开采技术在水体下采煤领域中的应用情况、观测研究现状及其发展趋势。
- We carried similar material imitation with up-dip mining method experiment,with it we studied the cover rock movement and breach laws in incline fully mechanized coal face. 本课题在实验室做了“仰斜开采覆岩结构破坏规律相似材料模拟”试验,通过试验研究了倾斜综放采场覆岩移动破坏规律。
- In early application of fully mechanized top coal mining,Spontaneous fire took place when the backout of fully mechanized top coal caving face was stopped mining. 在应用综放开采的初期,每当综放工作面停采回撤时,就会发生自燃发火。
- During the preparative and mining process of fully mechanized coal mining face, meeting small fold is a premonitor that there may be concealed fault around the face. 在综采工作面的准备和回采过程中,小褶曲是可能存在隐伏断层的征兆。
- This technique has been used successfully in the air-return gate oJ" 1310 fully mechanized roof coal caving face in Zhangcun Coal Mine. 该项研究在漳村1310综放面回风巷的工程实践中得到了成功应用和检验。
- This paper analyses the reasons for the gob fire of the face with fully mechanized mining caving method in free burning seam and gives the gob fire eradication means. 分析了王营矿极易自燃煤层综放工作面采空区自燃发火的原因，提出了防治措施。
- Valorite Ore is hardest to find, Iron Ore the easiest. A miner with a high mining skill is more likely to find a colored ore vein than less skilled miner. 蓝矿最难挖得,普通铁矿则最简单。挖矿技能越高越容易挖得高级矿脉。
- The application of elevated fully mechanized caving mining technology is an economical and efficient means for an old coal mine with an exploitation history of 38 years. 应用高位综放工艺回采煤柱资源对于已有38年开采历史的老矿来说是一种经济、高效的手段。
- The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine,such as shallow buried depth,thin bed rock and thick aeolian sand. 大采高液压支架是针对上湾矿煤层浅埋深、薄基岩、厚风积沙等特定地质条件而研制的一种高性能综采液压支架。
- The coal seam of fully mechanized top-coal caving face 1151(3) in Xieqiao coal mine of Huainan mining area is soft and loose,and is of low permeability and poor wetting condition. 基于淮南矿区谢桥煤矿1151(3)综放面,煤层松软、渗透性低、湿润性差的特殊条件,采用煤层注水工艺技术降尘,在注水孔布置方式及参数、注水孔封孔工艺、注水工艺等方面采取一定的技术措施。
- The theory of the gas emission used for high gassy and fully mechanized coal face at the adjacent layers is stated in the paper by means of the theory of stope three dimensional gas flow. 应用采场三维瓦斯流动理论，论述了高沼气综采工作面邻近层瓦斯抽放的基本原理。
- Simultaneously, the gas control in roof caving and fully mechanized mining is the unsubstantial aspect of prevention measures for gas disasters in all over the world. 同时,放顶煤综采工作面的瓦斯治理也是世界各国煤矿瓦斯灾害防治技术的薄弱环节。
