fully mechanized coal mining technology

fully mechanized coal mining technology

Fully mechanized coal mining technology for thin coal

2021-7-7  Fully mechanized coal mining technology for thin coal seam under complicated geological conditions Guimei Wang1*, Shanlin Jiao1 and Guangxing Cheng2 1College of Mechanical and Electrical Engineering, Hebei University of Engineering, Handan 056038, China 2Jizhong Energy Fengfeng Group, Handan 056000, China *Author for corresponding. E-mail ...

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ultra thin coal seam, fully mechanized mining technology ...

The paper introduced existing status of domestic mining technology of ultra thin coal seam and pointed out that existing fully mechanized mining equipments are not suitable for mining ultra thin coal seam. It introduced structure and

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Fully Mechanized Coal Mining Technology for Thin Coal

2011-6-1  Fully Mechanized Coal Mining Technology for Thin Coal Seam under Complicated Geological Conditions Guimei Wang, Shanlin Jiao, and Guangxing Cheng Energy Exploration Exploitation 2011 29 : 2 , 169-177

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Fully-mechanization Mining,Underground Mining,Coal

Advanced Manless Intelligent Fully-mechanized Coal Mining Technology. Recent years, ‘manless intelligent fully-mechanized coal mining technology’ is very popular in coal mining industry of China. The study and application of manless fully-mechanized coal mining technology and equipment which used for the thickness of coal seam from 1.4m to 2.2m. ...

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Present situation of fully mechanized mining technology ...

2014-8-5  In some coal mines, fully mechanized mining technology has been successfully applied, and working face outputs were increased remarkably. This paper analyzes the main technical difficulties in applying fully mechanized mining technology, such as surrounding rock control, mining equipment stability control, skidding prevention, and flying gangue ...

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我国煤矿综采技术应用现状与发展

The paper stated the development history of fully mechanized coal mining technology in China.Based on the introduction on the representative hydraulic powered support,coal shearer,conveyor and other advanced modernized fully mechanized coal mining equipment ...

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Research situation and prospect of fully mechanized

2009-9-1  The 6 th International Conference on Mining Science Technology Research situation and prospect of fully mechanized mining technology in thick coal seams in China Tu Shi-hao a,b, *, Yuan Yong a,b , Yang Zhen a,b , Ma Xiao-tao a,b , Wu Qi a,b a State Key Laboratory of Coal Resource and Mine Safety, China University of Mining Technology, Xuzhou 221008, China

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Key technologies and equipment for a fully mechanized

2015-7-21  Thick and ultra-thick coal seams are main coal seams for high production rate and high efficiency in Chinese coal mines, which accounts for 44 % of the total minable coal reserve. A fully mechanized top-coal caving mining method is a main underground coal extraction method for ultra-thick coal seams. The coal extraction technologies for coal seams less than 14 m

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Key technologies and equipment for a fully mechanized

2017-8-26  mechanical coal extraction from thick coal seams. The mining technologies and systems for thick and ultra-thick coal seams have been gradually developed in China. Until recently, there have been three major mechanical mining methods for thick coal seams, i.e., a fully mechanized longwall top-coal caving mining method (thereafter LTCC

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Backfilling technology and strata behaviors in fully ...

2012-3-1  This is its major difference compared with traditional fully mechanized coal mining methods. To the best of our knowledge, there are seldom researches on backfilling and coal mining technology. This article mainly introduces this technology from the above two points based on the mining conditions of Xingtai Coal Mine. 2.

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Fully mechanized coal mining technology for thin coal

2021-7-7  Fully mechanized coal mining technology for thin coal seam under complicated geological conditions Guimei Wang1*, Shanlin Jiao1 and Guangxing Cheng2 1College of Mechanical and Electrical Engineering, Hebei University of Engineering, Handan 056038, China 2Jizhong Energy Fengfeng Group, Handan 056000, China *Author for corresponding. E-mail ...

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Gas Drainage Technology in Fully Mechanized Caving Face ...

Sun, B. (2020) Gas Drainage Technology in Fully Mechanized Caving Face with Horizontal Sublevel Mining in Steep and Extra-Thick Coal Seam. Open Journal of Geology, 10, 957-970. doi: 10.4236/ojg.2020.109043.

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Fully-mechanization Mining,Underground Mining,Coal

Advanced Manless Intelligent Fully-mechanized Coal Mining Technology. Recent years, ‘manless intelligent fully-mechanized coal mining technology’ is very popular in coal mining industry of China. The study and application of manless fully-mechanized coal mining technology and equipment which used for the thickness of coal seam from 1.4m to 2.2m. ...

Read More
ultra thin coal seam, fully mechanized mining technology ...

The paper introduced existing status of domestic mining technology of ultra thin coal seam and pointed out that existing fully mechanized mining equipments are not suitable for mining ultra thin coal seam. It introduced structure and

Read More
Fully Mechanized Coal Mining Technology for Thin Coal

2011-6-1  Fully Mechanized Coal Mining Technology for Thin Coal Seam under Complicated Geological Conditions Guimei Wang, Shanlin Jiao, and Guangxing Cheng Energy Exploration Exploitation 2011 29 : 2 , 169-177

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我国煤矿综放开采40年:理论与技术装备研究进展 - CHINACAJ

Fully-mechanized top-coal caving technology is one of the main methods for mining thick and extra thick coal seams in China. Since it was introduced into China for nearly 40 years, the theory and technology practice of top-coal caving mining in China has made ...

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Research and Practice on Filling Technology of Fully ...

Taking the fully mechanized mining face (FMMF) through the abandoned roadway (AR) in a coal mine in Shanxi Province, China as the engineering background, the field investigation, theoretical analysis, numerical simulation and field test were comprehensively used to study the instability mechanism of the trend AR. The deformation and failure evolution of the trend AR roof were

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Adaptability evaluation of fully mechanized coal mining ...

According to the characteristics of fully mechanized mining technique in thinner middle thick coal seam of Yuanzhuang coal mine, using the principle of fuzzy mathematics to build up the hierarchy analysis model of thinner middle thick coal seam mining technology of geological condition and comprehensive evaluation system. The influence factors and evaluation index of

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China University of Mining and Technology - 中国矿业大学 ...

2017-5-17  43. Zhang Qiang, Zhang Jixiong, Huang Yanli, Ju Feng. Backfilling technology and strata behaviors in fully mechanized coal mining working face[J]. International Journal of Mining Science and Technology, 2012, 22(2): 151-157. (EI检索)

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Optimization and Application of End Bracket in China Coal ...

摘 要: From the current situation of fully mechanized mining in coal mine, the basic support technology of working face has been more mature, there are many types and styles of support to meet the different geological conditions of fully mechanized mining face support, but the support technology at the end of the working face, is relatively slow development, has become the

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Research and Practice on Filling Technology of Fully ...

Taking the fully mechanized mining face (FMMF) through the abandoned roadway (AR) in a coal mine in Shanxi Province, China as the engineering background, the field investigation, theoretical analysis, numerical simulation and field test were comprehensively used to study the instability mechanism of the trend AR. The deformation and failure evolution of the trend AR roof were

Read More
A remote VR operation system for a fully mechanised coal ...

In a fully mechanised coal-mining face, the means to train machine operators are inadequate. A remote virtual reality (VR) operation system for a fully mechanised coal-mining face using real-time data and collaborative network technology is presented in this study.

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Advanced Unmanned Fully-mechanized Coal Mining

Advanced Unmanned Intelligent Fully-mechanized Coal Mining Technology . Recent years, unmanned intelligent fully-mechanized coal mining technology is very popular in coal mining industry of China. The study and application of unmanned fully-mechanized coal mining technology and equipment which used for the thickness of coal seam from 1.4m to 2.2m.

Read More
我国煤矿综放开采40年:理论与技术装备研究进展 - CHINACAJ

Fully-mechanized top-coal caving technology is one of the main methods for mining thick and extra thick coal seams in China. Since it was introduced into China for nearly 40 years, the theory and technology practice of top-coal caving mining in China has made ...

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Strata behavior at fully-mechanized coal mining and

2017-8-24  Strata behavior at fully-mechanized coal mining and solid backfilling face Wei Yin *, Zhiwei Chen, Kai Quan and Xiancheng Mei Abstract Taking Ping Dingshan Coal Mine Group 12 as an example, this paper explains the system layout, key equipment and backfilling technology in

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Adaptability evaluation of fully mechanized coal mining ...

According to the characteristics of fully mechanized mining technique in thinner middle thick coal seam of Yuanzhuang coal mine, using the principle of fuzzy mathematics to build up the hierarchy analysis model of thinner middle thick coal seam mining technology of geological condition and comprehensive evaluation system. The influence factors and evaluation index of

Read More
Optimization and Application of End Bracket in China Coal ...

摘 要: From the current situation of fully mechanized mining in coal mine, the basic support technology of working face has been more mature, there are many types and styles of support to meet the different geological conditions of fully mechanized mining face support, but the support technology at the end of the working face, is relatively slow development, has become the

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Waste rock filling in fully mechanized coal mining for goaf ...

The study results enrich goaf-side entry retaining theory in thin coal seam and mechanized filling technology and provide a theoretical foundation for thin coal seam mining with

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A remote VR operation system for a fully mechanised coal ...

2018-5-9  In a fully mechanised coal-mining face, the means to train machine operators are inadequate. A remote virtual reality (VR) operation system for a fully mechanised coal-mining face using real-time data and collaborative network technology is presented in this study. The overall framework and key technologies are introduced.

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Application of Combined Technology of Fully-mechanized ...

the higher slice and coal pillars is mined with the technology of fully-mechanized coal winning and the combined technology of fully-mechanized coal winning and sub-level caving.The resource yield is increased and the intense mining situation in coal mine ...

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