Results 31 to 40 of about 31,129 (166)

Study on slurry mass concentration prediction method driven by multi-source data fusion [PDF]

open access: yesPeerJ Computer Science
In coal preparation processes, slurry mass concentration is a critical parameter affecting key operations such as dense medium separation, flotation, and thickening/filtration.
Hongyan Wang   +5 more
doaj   +2 more sources

Research of automatic control technology of dense medium coal preparatio

open access: yesGong-kuang zidonghua, 2014
The paper introduced existing status and characteristics of automatic control technology of dense medium coal preparation, outlined several systems included in automatic control of dense medium coal preparation and common instruments used in dense medium
GUO Nan, CHEN Zhen, LUO Xuhui
doaj   +1 more source

Framework and key technologies of intelligent coal preparation plant

open access: yesGong-kuang zidonghua, 2019
According to connotation of intelligent coal preparation plant, framework of intelligent coal preparation plant was introduced from aspects of Internet of things layer, control layer, management layer and decision-making layer.
WANG Ranfeng, GAO Jianchuan, FU Xiang
doaj   +1 more source

Impact of Al3+ Concentration on Montmorillonite Sedimentation: Insights Into Particle Size Behavior

open access: yesChemistryOpen
Particle size is crucial for sedimentation processes. However, there is limited research on how varying particle sizes influence the sedimentation of fine‐grained particles.
Hanyu Zhao   +12 more
doaj   +1 more source

Collector Optimization for Lyulin Plant's Coal Flotation

open access: yesKuangchan zonghe liyong
This is an article in the field of mineral processing engineering. Three samples of 5#, 9# and Mugua coal from Coal Preparation Plant of Lyulin Energy & Chemical Co., Ltd. were collected as the research objects. Screening, proximate analysis and ultimate
Chongyi YANG   +5 more
doaj   +1 more source

Intelligent prediction of clean coal ash content based on multi-source heterogeneous information fusion

open access: yesGong-kuang zidonghua
To address the issue that X-ray detection alone is insufficient to fully capture the complex material changes during the flotation clean coal process, an intelligent flotation system based on multi-source heterogeneous information fusion, integrating X ...
CHENG Rongjie, CUI Teng
doaj   +1 more source

Domestic coal deposits and the possibilities their utilisation for requirements in Slovakia [PDF]

open access: yesActa Montanistica Slovaca, 1998
The information on coal exploitation and deposits of brown coal in Slovakia is presented are stated. The Slovak coal industry is struggling with the economic and quality problems of energetic coal.
Turèániová Ľudmila   +1 more
doaj  

Coal Dust and Methane as a Hazard in Coal Preparation Plants

open access: yesApplied Sciences
This article presents the results of analysis of the hazards posed by coal mine dust and methane in the coal preparation plants of hard coal mines in Poland. It was shown how the number of workplaces in plants at risk of coal dust explosion and the highest permissible dust concentration changed in the period from 2003 to 2022 when compared with coal ...
Aleksander Lutyński, Marcin Lutyński
openaire   +2 more sources

A new perspective on the interaction of refractory coal and polar collector: molecule docking and induced fit effect

open access: yesMeitan kexue jishu
Studying the interaction between coal slime and flotation agents will be the hot and difficult point of flotation process strengthening. In view of the strong hydrophilic chemical structure characteristics of the surface of difficult flotation coal, this
Pengcheng QU   +5 more
doaj   +1 more source

Analysis of present state of sludge basins of OKD, joint stock company and a proposal of measures to improve [PDF]

open access: yesActa Montanistica Slovaca, 1996
From the environmental point of view, the Ostrava - Karviná region can be numbered among the most affected areas. One of the reasons for developing this situation is the existence of sludge basins of particular mines.
Hudeèek Vlastimil
doaj  

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