Journal ArticleDOI
Numerical simulation study on dust pollution characteristics and optimal dust control air flow rates during coal mine production
Reads0
Chats0
TLDR
In this article, a highly simulated physical model of the goaf and multiple dust sources were established in order to obtain the optimal dust-removal air flow rate in the roadway, by combining the numerical simulation method, the influence of the flow rate on dust diffusion rules of the dust sources was analyzed.About:
This article is published in Journal of Cleaner Production.The article was published on 2020-03-01. It has received 160 citations till now. The article focuses on the topics: Airflow & Coal mining.read more
Citations
More filters
Journal ArticleDOI
The preparation of a novel hydrogel based on crosslinked polymers for suppressing coal dusts
TL;DR: In this paper, a new dust suppression gel was prepared by graft copolymerization of itaconic acid-acrylic acid polymer and bentonite, which had excellent wind erosion resistance and could effectively reduce the occurrence of coal dust during coal transportation.
Journal ArticleDOI
Study of the microscopic mechanism of lauryl glucoside wetting coal dust: Environmental pollution prevention and control.
Wenjin Niu,Wen Nie,Mingyue Yuan,Qiu Bao,Weiwei Zhou,Jiayi Yan,Fengning Yu,Chengyi Liu,Ning Sun,Qianqian Xue +9 more
TL;DR: The dynamics simulation results showed that APG-12 molecules can be easily adsorbed on the surface of coal molecules and then adsorb water molecules around them under the action of hydrogen bonds, consistent with the results of an analysis of the system's radial distribution function and the relative concentration distribution of each component in the Z-axis direction.
Journal ArticleDOI
Effect of nitric acid on the pore structure and fractal characteristics of coal based on the low-temperature nitrogen adsorption method
TL;DR: In this paper, the pore structure and fractal characteristics of acid-treated coal were analyzed using the low-temperature nitrogen adsorption method, scanning electron microscopy and the fractal theory.
Journal ArticleDOI
Determining the effect of the non-ionic surfactant AEO9 on lignite adsorption and wetting via molecular dynamics (MD) simulation and experiment comparisons
Mingyue Yuan,Wen Nie,Weiwei Zhou,Jiayi Yan,Qiu Bao,Changjian Guo,Peng Tong,Haihan Zhang,Lidian Guo +8 more
TL;DR: By combining a molecular dynamics (MD) simulation approach with experimental measurements, the authors elucidated the molecular interactions between the fatty alcohol polyoxyethylene ether-9 (AEO9; ie, a surfactant) and lignite.
Journal ArticleDOI
Preparation and performance study of a novel polymeric spraying dust suppression agent with enhanced wetting and coagulation properties for coal mine
Haihan Zhang,Wen Nie,Jiayi Yan,Qiu Bao,Hongkun Wang,Hu Jin,Huitian Peng,Dawei Chen,Zhiqiang Liu,Qiang Liu +9 more
TL;DR: In this article, an environmental friendly spray dust suppressant with improved wettability and coagulation properties was developed by a chemical modification method, which was synthesized by nucleophilic substitution reaction between natural polymer guar gum and propylene oxide.
References
More filters
Journal ArticleDOI
Research on tunnel ventilation systems: Dust Diffusion and Pollution Behaviour by air curtains based on CFD technology and field measurement
TL;DR: In this paper, the authors made an in-depth analysis of the effects of an air curtain generator's radial and axial pressure airflow rate and a dust removal fan's exhaust airflow rate on the diffusion and pollution behaviors of dust through CFD technology and field measurements.
Journal ArticleDOI
Effect of air flowrate on pollutant dispersion pattern of coal dust particles at fully mechanized mining face based on numerical simulation
TL;DR: In this article, the effect of air flowrate on pollutant dispersion pattern of coal dust particles at the fully mechanized mining face is investigated. And the authors aim to reduce the dust concentration through adjusting the air flow rate parameter.
Journal ArticleDOI
Effects of air volume ratio parameters on air curtain dust suppression in a rock tunnel’s fully-mechanized working face
TL;DR: In this paper, the effects of the air volume ratio parameters (axial-to-radial flow ratio of the wall-attached air cylinder "δ" and the forced-toexhaust ratio "β") on the air curtain dust suppression in a rock tunnel's fully-mechanized working face, the eastern belt of Huipodi mining company (Shanxi Mineral Group Co., Ltd., China) was numerically simulated by CFD software in this study.
Journal ArticleDOI
Multi-factor numerical simulation study on spray dust suppression device in coal mining process
TL;DR: In this article, the authors used computational fluid dynamics (CFD) for numerical simulation of spray nozzles with three pore diameters of 1.6, 2.0, and 2.4.
Journal ArticleDOI
Diffuse pollution characteristics of respirable dust in fully-mechanized mining face under various velocities based on CFD investigation
TL;DR: Wang et al. as discussed by the authors used the Finite Volume Method to simulate and study the diffusion behavior characteristics of respirable dust of 52305-1 fully-mechanized mining face in Daliuta coal mine at different areas under full section independent negative pressure ventilation conditions based on airflow streamline, airflow vector, and dust trace.