fully mechanized coal mining technology

fully mechanized coal mining technology

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 performance of new types o

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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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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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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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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

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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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Development and prospect on fully mechanized mining in ...

2014-10-10  Fully mechanized mining (FMM) technology has been applied in Chinese coal mines for more than 40 years. At present, the output of a FMM face has reached

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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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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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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

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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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Fully mechanized coal mining technology for thin coal

170 Fully mechanized coal mining technology for thin coal seam under complicated geological conditions 1. INTRODUCTION Based on their thickness, coal seams have been classified into several categories: seams with thickness of 0.8~1.3 m are in the thin coal seam group and thickness of

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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

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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 performance of new types o

Read More
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

Read More
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

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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 comprehensive evaluation ...

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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 deduced into four ...

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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 ...

Read More
Strata behavior at fully-mechanized coal mining and solid ...

2016-9-20  Miao XX, Zhang JX, Guo GL (2010a) Method and technology of full-mechanized coal mining with solid waste filling. China University of Mining and Technology Press, Xuzhou. Google Scholar Miao XX, Zhang JX, Guo GL (2010b) Study on waste-filling method and technology in fully-mechanized coal mining. J China C Soc 35:1–6

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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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Fully mechanized coal mining technology for thin coal

170 Fully mechanized coal mining technology for thin coal seam under complicated geological conditions 1. INTRODUCTION Based on their thickness, coal seams have been classified into several categories: seams with thickness of 0.8~1.3 m are in the thin coal seam group and thickness of

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Key technology for fully-mechanized top coal caving with ...

2013-12-15  Fully-mechanized top coal caving with large mining height is the main mining method for extra-thick coal seam.Howeveras the hight of coal cutting and coal caving increasesprominent problems such as severe mine pressurebehavioursevere rib spalling in working facelow top coal recovery rate and high gas emission rate and so on emerge.

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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 comprehensive evaluation ...

Read More
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 deduced into four ...

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Mechanized Development Technology Solutions for

2021-10-14  Recent Developments in Mechanized Technology for Mining. In China in 2014, fully mechanized mining (FMM) face output reached 10 million tons (Mt) of coal, out of a total of 3465 Mt. China is the biggest producer of coal, being responsible for over 50% of total global output in 2020. As explained before, thin-seam coal mining is present in ...

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Strata behavior at fully-mechanized coal mining and solid ...

2016-9-20  Miao XX, Zhang JX, Guo GL (2010a) Method and technology of full-mechanized coal mining with solid waste filling. China University of Mining and Technology Press, Xuzhou. Google Scholar Miao XX, Zhang JX, Guo GL (2010b) Study on waste-filling method and technology in fully-mechanized coal mining. J China C Soc 35:1–6

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Backfilling technology and strata behaviors in fully ...

Backfilling technology and strata behaviors in fully mechanized coal mining working face March 2012 International Journal of Mining Science and Technology 22(2):151–157

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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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New advances in automatic shearer cutting technology for ...

2021-10-18  Wang, F, Tu, S, Bai, Q (2012) Practice and prospects of fully mechanized mining technology for thin coal seams in China. Journal of the Southern African Institute of Mining and Metallurgy 112: 161 – 170. Google Scholar

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