Results 71 to 80 of about 1,811 (137)

Reduction of Coal Dust Concentration in the Air by Using Renewable Resources as Dust Suppressants [PDF]

Scientific Journal of Riga Technical University. Environmental and Climate Technologies, 2009
E. Dāce, S. Valtere
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Experimental Research on Bituminous Coal Dust Explosibility

工程科学与技术, 2009
:In order to evaluate and control the hazards of coal dust explosion in coal mines and power plants, the explosion characteristics of bituminous coal dusts were tested in a Siwek 20 litre spherical vessel.
Li Hua, Gao Cong, Su Dan, HuangWei-xing
doaj  

Empirical Models of Zones Protecting Against Coal Dust Explosion

, 2017
The paper presents predicted use of research’ results to specify relations between volume of dust deposition and changes of its concentration in air. These were used to shape zones protecting against coal dust explosion.
Prostański, D., Dariusz Prostański
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High-speed online detection system of coal dust concentration based on hardware acceleration

Meikuang Anquan, 2023
A high speed on-line measuring device for coal dust concentration based on Mie scattering theory equation was designed by using Xilinx ZYNQ-7010 chip. First of all, the binary search method is used to derive the corresponding relationship between the scattered light intensity and the particle size. Then, the overall system control is established on the
Fengyuan ZHANG, Yemin ZHANG, Guibin YAO
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Study on airflow-coal dust dispersion pattern and control technology in fully mechanized mining face

Gong-kuang zidonghua
The shearer in a fully mechanized mining face generates significant turbulent airflow during coal cutting, resulting in changes in airflow velocity in the mining area and causing the lateral dispersion of coal dust particles toward pavements.
GAO Cheng, LIU Liren, ZHENG Lei, LYU Mingjie   +3 more
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Experimental study on characteristics of methane-coal dust explosions and the spatiotemporal evolution of flow field in early flame

Case Studies in Thermal Engineering
To understand the explosion characteristics of methane-lignite coal dust mixtures and the spatiotemporal evolution of the early flame flow field, explosion pressure, OH* emission spectra, and early flame schlieren images were captured in a 60L constant ...
Haiyan Wang, Yanwei Zhang, Siyu Tian, Yang Hu, Jingde Xu   +4 more
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Study on flame fractal characteristics of coal dust explosion at the decompression position of Hartmann tube

Scientific Reports
The explosion of coal dust is powerful and has a wide range of spread, which can easily cause mass death and injury. In this paper, the flame microstructure and propagation characteristics of coal dust explosion are recorded by high-speed photography ...
Zemiao Yang, Ke Gao, Yinhui Wang
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Experimental research on microbial dust suppressant for solidified dust based on MICP

Meikuang Anquan
In order to reduce the concentration of coal dust in open-pit coal mines, reduce and prevent the harm of coal dust, based on the microbial induced calcite precipitation solidification dust technology, the influence of environmental factors（temperature ...
Guangyi GAO
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Laboratory tests for selecting wetting agents for coal dust control [PDF]

"The Bureau of Mines is conducting research to determine whether the use of chemical surfactants improves respirable coal dust control and is evaluating laboratory test criteria for selecting effective surfactants.

core  

Numerical simulation of dust distribution characteristics of double dust sources in open-pit mine

To investigate the impact of various operations in open-pit coal mines on dust pollution, Zhonglian Runshi Xinjiang Open-pit Mine was selected as the engineering background.
Xiangdong YANG, Xuewei TAO, Guoliang XIE, Tieliang HAN, Zhong’an JIANG   +4 more
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