Results 11 to 20 of about 34,337 (295)

Backfilling technology and strata behaviors in fully mechanized coal mining working face

open access: yesInternational Journal of Mining Science and Technology, 2012
Abstract Based on the principle of fully mechanized backfilling and coal mining technology and combined with the Xingtai Coal Mine conditions, we mainly optimized the coal mining equipment and adjusted the coal mining method in the Xingtai Coal Mine 7606 working face for implementation this technology.
Qiang Zhang   +3 more
openaire   +3 more sources

Straightness solution of the fully mechanized working face based on VR and DT technology

open access: yesGong-kuang zidonghua, 2023
The straightness problem is one of the neck problems in the intelligent construction of the fully mechanized working face. The key to solve this problem is to obtain the position and posture of the scraper conveyor or hydraulic support group. At present,
YAN Zewen   +5 more
doaj   +2 more sources

Top coal thickness detection method for intelligent fully-mechanized working face

open access: yesGong-kuang zidonghua, 2021
Detecting the thickness of the top coal in a fully mechanized working face in advance can provide a basis for precise control of the top coal caving, which is beneficial to achieving a balance between the coal caving recovery rate and coal quality.
YANG Xiuyu1   +3 more
doaj   +2 more sources

Emulsion pump station system for super high fully mechanized working face

open access: yesGong-kuang zidonghua, 2021
In order to meet the emulsion demand of 8.8 m super high fully mechanized working face, and solve the problems of the existing emulsion pump station system, such as low flow rate of single pump station, insufficient reliability of transmission system ...
CHEN Wei, WANG Cunfei, BIAN Yan
doaj   +2 more sources

Application status and development tendency of automation control technology for fully mechanized working face

open access: yesGong-kuang zidonghua, 2013
The paper introduced research development and actual application status of automation control technology for fully mechanized working face at home and abroad, indicated development tendency of automation control technology for fully mechanized working ...
HUANG Zeng-hua
doaj   +2 more sources

Research of noise in audio system of fully mechanized working face

open access: yesGong-kuang zidonghua, 2014
Major sources of noise in audio system of fully mechanized working face were researched in the practice. Advices of design of filter were given for different application requirements, and band-pass active filter was designed.
HE Yonghua
doaj   +2 more sources

Research and application of automatic production technology of fully mechanized longwall working face

open access: yesMeitan kexue jishu
The five procedures in a fully mechanized Longwall working face is coal cutting, coal loading to convey, coal convey out of the Longwall working face, roof supporting and goaf disposal. The fully mechanized mining face equipped with intelligent equipment
Donghui LIAN   +5 more
doaj   +2 more sources

Research on state perception and analysis technology of hydraulic support in fully mechanized working face

open access: yesGong-kuang zidonghua, 2023
The intelligence of fully mechanized working face is a key link in the intelligence of coal mines. The perception and analysis of hydraulic support state is the premise and foundation of intelligent control of fully mechanized working face.
LI Jian, REN Huaiwei, GONG Shixin
doaj   +2 more sources

Research on overburden structural characteristics and support adaptability in cooperative mining of sectional coal pillar and bottom coal seam [PDF]

open access: yesScientific Reports
In the mining process of the II1 coal seam at Zhaogu No. 2 coal mine, a method of stratified mining is employed, leaving relatively wide coal pillars in sections.
Du Feng   +6 more
doaj   +2 more sources

Migration law of respirable dust on a super-long fully mechanized double-shearer working face

open access: yesInternational Journal of Mining Science and Technology, 2016
Abstract In order to understand the migration law of respirable dust and gain reasonable design parameters for dust control on a super-long double-shearer fully mechanized working face, this paper describes research carried out using a numerical simulation package (Fluent) based on gas-solid coupling dispersed multiphase flow model and field ...
Min Jia   +5 more
openaire   +3 more sources

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