Results 91 to 100 of about 8,734 (226)
Review of automation technology for fully mechanized coal face of thin seam
Gong-kuang zidonghua, 2013 The paper analyzed development status of automation technology for fully mechanized coal face of thin seam at home and abroad, introduced structure of automation system of fully mechanized coal face of thin seam, and automation control technology for ...
YU Yue-sen +4 more
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THE NIGERIAN COAL CORPORATION: AN EVALUATION OF PRODUCTION PERFORMANCE(1960 1987) [PDF]
COAL WAS DISCOVERED IN NIGERIA IN 1909 AND COAL MINING STARTED WITH A DRIFT MINE AT OGBETE, ENUGU IN 1915. SINCE 1958/59, WHEN COAL PRODUCTION REACHED ITS PEAK, THERE HAS BEEN A PERSISTENT FLUCTUATION IN THE AMOUNT OF COAL PRODUCED IN SUBSEQUENT YEARS ...
DR. GODWIN CHUKWUDUM NWAOBI
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Advances in Civil Engineering, Volume 2026, Issue 1, 2026.The accuracy of straightness monitoring of scraper conveyors seriously restricts the development of unmanned mining technology in underground coal mines. Fiber Bragg grating (FBG) sensors have the characteristics of passive intrinsic safety and have broad application prospects in coal mine underground monitoring technology.
Shangyu Du, Hongyu Shi, Jianyong Han
wiley +1 more source
Designing of innovative mining equipment for safe and successful work in mines [PDF]
, 2016 The article analyses contemporary problems of economic development in Russia. An innovative approach to designing of industrial products based on the assessment of their performance and economic characteristics makes it possible to develop, manufacture ...
Esaulov, Vladimir Nikolaevich +2 more
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Research of Fully Mechanized Mining Technology of Ultra-thin Coal Seam and Its Applicatio
Gong-kuang zidonghua, 2011 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.
SU Jun-yan +4 more
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Evaluation of coal longwall caving characteristics using an innovative UDEC Trigon approach [PDF]
, 2016 Author version of article. The version of record is available from the publisher via DOI: 1016/j.compgeo.2013.09.020Copyright © 2013 Elsevier Ltd. All rights reserved.The paper presents an innovative numerical approach to simulate progressive caving of ...
Coggan, John, Gao, Fuqiang, Stead, Doug
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Design of multivariate early warning management system for fully-mechanized coal mining equipment
Gong-kuang zidonghua, 2018 In view of problems of low accuracy, low efficiency and poor timeliness in current management mode of fully-mechanized coal mining equipment, a multivariate early warning management system for fully-mechanized coal mining equipment was designed.
YANG Rui, CAO Kai, WANG Jiyu
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Study on unmanned mining technology of fully mechanized coal mining face
Gong-kuang zidonghua, 2017 The paper analyzed present situation of development of fully mechanized coal mining face, including application situation and existing problems of technologies of memory coal cutting, hydraulic support automation, coal and rock identification and so on.
openaire +1 more source
Scientific ReportsIn 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
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Study of Application of L.E.D. Lighting System in Mines [PDF]
, 2012 The work done on the project contains field observations for lighting in underground and open-cast mines showing general requirements of lighting and sources of lighting. Regulations related to mine lighting are briefly enumerated.
Mishra, Hitesh
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