Results 111 to 120 of about 1,770 (209)
Meikuang AnquanIn view of the lack of methane monitoring points in coal mine fully mechanized mining face, it is difficult to achieve for high coverage methane concentration monitoring in the mining face area.
Jing ZHANG +3 more
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Meitan kexue jishuThe congestion of coal flow in fully-mechanized mining face may cause the scraper conveyor to operate under overload or even be crushed, which significantly affects the production efficiency of the fully-mechanized mining face.
Yuan WANG +5 more
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Research on the Dust Transport Law in Large Mining Height Fully Mechanized Mining Face
Scientific Journal of TechnologyThe fully mechanized mining face with high mining height has always been a high-risk area for coal mine dust pollution. In order to further understand the spatiotemporal transport law of dust in the zoning of the high mining height fully mechanized mining face, the 122109 high mining height fully mechanized mining face of Caojiatan Coal Mine was taken ...
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Fracture mechanism of acid fracturing of sandstones gangue layer in fully mechanized mining face
Meikuang Anquan, 2021 Taking the coal seam sandstone intercalated gangue layer at 112201 large mining height face in Xiaobaodang Mining Area of Yulin as the research object, the special rock acid fracturing method based on trace CO2 hydrate is proposed through the comprehensive experimental analysis of the physical, mechanical, and chemical properties of the sandstone in ...
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Characters Evaluation of Ground Pressure in Fully Mechanized Top Coal Caving Face in Soft Coal Seams
, 2011 Based on the big thickness, low stiffiness and other characters of No. 8 coal seam in Huaibei mining area, the moving laws of top coal seam and roof, and distribution law of ground pressure were studied under the fully mechanized top coal caving.
Yang Li, Xiao Hua Wu, Wei Dong Pan
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Research on conductive knowledge mining for dust removal strategy in fully mechanized mining faces
Procedia Computer Science, 2023 Ziyuan Liang, Chunyan Yang
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Gong-kuang zidonghuaTo address the limited effectiveness of dust prevention technologies such as ventilation dust removal and spray dust suppression in fully mechanized mining faces with high dust concentrations, the study used the 11309 fully mechanized mining face at ...
LIU Ziwen
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Optimization design of video monitoring system on fully-mechanized mining face
Gong-kuang zidonghua, 2020 In view of problems of current video monitoring system on fully-mechanized mining face such as occupying large network bandwidth, incomplete video storage, unobtrusive cutting pictures of the shearer, and uneven video stitching pictures, optimization design was carried out from aspects of system hardware and software, video compression and stitching ...
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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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Design of Automatic Combination Cutting-and-conveying Unit of Fully Mechanized Coal Face
, 2011 In order to improve automation level and production efficiency of fully mechanized coal face, the paper proposed a design scheme of automatic combination cutting-and-conveying unit of fully mechanized coal face.
WU Qing +5 more
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