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   Articles with "fully mechanized" as a keyword



Development of a novel wind-assisted centralized spraying dedusting device for dust suppression in a fully mechanized mining face

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recommendations! Published in 2018 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-3264-8

Abstract: AbstractAiming at addressing serious pollution in the No. 30106 fully mechanized coal mining face of Shiquan Coal Mine during coal cutting process, the spraying device between hydraulic supports was improved through the combination of experimental… read more here.

Keywords: field; mining face; fully mechanized; assisted centralized ... See more keywords

Research on environmental dust pollution: ventilation and dust space–time evolution law of a fully mechanized mining face with 7-m mining height

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recommendations! Published in 2022 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-021-17967-5

Abstract: To investigate the influence of dust produced by multi-dust sources at a fully mechanized mining face with a large mining height on the safety conditions in a coal mine, the No. 22305 fully mechanized mining… read more here.

Keywords: time; mechanized mining; fully mechanized; mining ... See more keywords
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CFD modeling of coal dust migration in an 8.8-meter-high fully mechanized mining face

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recommendations! Published in 2020 at "Energy"

DOI: 10.1016/j.energy.2020.118616

Abstract: Abstract The largest mining height of the fully mechanized mining face in the world is currently 8.8 m. A working face of this size has various problems, including the production of large amounts of dust, complicated… read more here.

Keywords: mining face; fully mechanized; mechanized mining; dust ... See more keywords

Support-surrounding rock relationship and top-coal movement laws in large dip angle fully-mechanized caving face

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recommendations! Published in 2017 at "International journal of mining science and technology"

DOI: 10.1016/j.ijmst.2017.10.001

Abstract: Abstract When mining the fully-mechanized longwall caving face along strike, the unstable equipment, the low top-coal recovery ratio and the difficulty in controlling surrounding rock may occur due to large dip angle. Considering the effects… read more here.

Keywords: surrounding rock; large dip; support; fully mechanized ... See more keywords

Mechanisms of dust diffuse pollution under forced-exhaust ventilation in fully-mechanized excavation faces by CFD-DEM

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recommendations! Published in 2017 at "Powder Technology"

DOI: 10.1016/j.powtec.2017.04.045

Abstract: Abstract In order to investigate the diffuse pollution mechanisms of high-concentration dusts in the working regions of fully-mechanized excavation faces under forced-exhaust ventilation, a CFD-DEM airflow–dust coupled simulation approach was developed based on k –… read more here.

Keywords: dust particles; dust; diffuse pollution; fully mechanized ... See more keywords

Research on dust control technology and numerical simulation of conical guiding air curtain in fully mechanized excavation face

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recommendations! Published in 2024 at "Scientific Reports"

DOI: 10.1038/s41598-024-63881-4

Abstract: The dust pollution caused by the operation of fully mechanized heading face poses a serious threat to the safety production of operators and working face. To reduce dust concentration at the fully mechanized heading face,… read more here.

Keywords: mechanized heading; air; dust; face ... See more keywords

Coordinated Deformation Mechanism of the Top Coal and Filling Body of Gob-Side Entry Retaining in a Fully Mechanized Caving Face

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recommendations! Published in 2021 at "International Journal of Geomechanics"

DOI: 10.1061/(asce)gm.1943-5622.0001972

Abstract: Abstract When gob-side entry retaining technology is used in a fully mechanized caving face, the load-bearing structure of the filling body and top coal often cannot meet the series of dynamic defo... read more here.

Keywords: gob side; entry retaining; mechanized caving; caving face ... See more keywords

Boundary distribution of top-coal limit-equilibrium zone in fully mechanized caving in steeply dipping coal seams

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recommendations! Published in 2021 at "Geomatics, Natural Hazards and Risk"

DOI: 10.1080/19475705.2021.1969450

Abstract: In fully mechanized caving mining, the earlier the top coal enters the limit-equilibrium zone, the easier it is for leakage to be induced in front of the support. As the dip angle of the seam… read more here.

Keywords: equilibrium zone; top coal; fully mechanized; coal ... See more keywords
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Disastrous Mechanism and Concentration Distribution of Gas Migration in Fully Mechanized Caving Stope in Wuyang Coal Mine

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recommendations! Published in 2021 at "Geofluids"

DOI: 10.1155/2021/4366942

Abstract: The overrunning disaster of harmful gas tends to occur in the working face in thick coal seam with high gas concentration, as the fully mechanized caving stope has the characteristics of high mining intensity, high… read more here.

Keywords: gas; fully mechanized; drainage; concentration ... See more keywords

Deformation Mechanism and Control of the Surrounding Rock during Gob-Side Entry Driving along Deeply Fully Mechanized Caving Island Working Face

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recommendations! Published in 2021 at "Geofluids"

DOI: 10.1155/2021/5515052

Abstract: The deformation control of the surrounding rock during gob-side entry driving along deeply fully mechanized caving island working face is one of the main bottlenecks affecting the successful and efficient production in modern mining. The… read more here.

Keywords: gob side; side entry; island working; fully mechanized ... See more keywords

Simulation on the deformation of surrounding rock in fully mechanized top coal caving face in thick loose seam

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recommendations! Published in 2025 at "Thermal Science"

DOI: 10.2298/tsci2502123l

Abstract: Based on the on-site production geological conditions, this paper comprehensively applies research methods such as numerical modelling and theoretical calcula?tion deeply study the rock pressure behavior and deformation mechanism of the surrounding rock of the… read more here.

Keywords: deformation; coal; rock; fully mechanized ... See more keywords