Results 21 to 30 of about 3,295 (188)

Aerated atomization of coal water slurry [PDF]

, 1989
In order to better understand the process of slurry atomization, it is important to observe the influence of fluid non-Newtonian rheological behavior on the spray formation process. As a first step, glycerin-water solutions have been atomized. This report describes findings of photographs taken during atomization. 19 figs.
Buckner, H.N., Sojka, P.E., Lefebvre, A.H.   +2 more
openaire   +2 more sources

Effect of concentrated brine on coal slurry stability and sedimentation

矿业科学学报, 2020
In order to solve the problem of comprehensive utilization of concentrated brine in coal chemical industry, the flocculating settlement test was carried out by using concentrated brine instead of coagulant in coal chemical industry, and the effect of pH ...
Xu Hongxiang, Wang Jingzheng, Ning Kejia, Xia Tian, Li Meiyu, Qin Qizheng   +5 more
doaj   +1 more source

Treatment Technology of Roof Watering in Ditch Driving Roadway of Shallow Coal Seam

Meikuang Anquan, 2020
To study the treatment problem of the roof watering of the roadway during the ditch driving of the shallow coal seam, the topography and geological conditions at the ditch of the 4-2 coal centralized auxiliary transport roadway in Zhangjiamao Coal Mine ...
GAO Bin, JI Zhongkui, YANG Fan, ZHANG Chi, REN Zhizhi, LUO Ankun, XUE Xiaoyuan
doaj   +1 more source

Experimental study on performance of fly ash and coal gangue mixed slurry

Meikuang Anquan, 2023
In order to explore the properties of the mixed slurry of fly ash and gangue, fly ash and gangue of different particle sizes were used as the test materials, the orthogonal experimental method was adopted, and the test data were processed by SPSS ...
ZHANG Yong, WANG Qiqing, ZHANG Yubao, LI Linzhe, YUAN Fei, GU Tianyu   +5 more
doaj   +1 more source

Prediction model of thermal conductivity of coal-water slurry based on coal particle-bonded water composite phase

Meitan xuebao
Coal-water slurry gasification is one of advanced coal gasification technologies. The improvement on the efficiency of coal-water slurry gasification is helpful to promote the clean and efficient utilization of coal.
Haifeng JIANG, Huachi ZHANG, Hui ZHAO, Jianliang XU, Qinfeng LIANG, Weifeng LI, Haifeng LIU   +6 more
doaj   +1 more source

Sedimentation in Coal-Water Slurry Pipelining [PDF]

, 2000
In this chapter we present an overview of recent investigations on the problem of sedimentation related to the pipelining of a coal-water slurry. The two main aspects of the problem are the determination of the sedimentation velocity and the understanding and modeling of the dynamics of the sedimentation bed that accumulates on the bottom of the pipe ...
openaire   +2 more sources

Study on the slurry properties of Xinjiang Zhundong coal water slurry controlled by particles size distribution

Meitan xuebao
One of the most important technologies for the effective and clean use of coal is gasification. Currently, one of the most advanced gasification technologies being employed extensively is large-scale water-coal slurry entrained flow gasification.
Jiyuan CHEN, Hui ZHAO, Jianliang XU, Mei ZHONG, Sai XIONG, Zhenghua DAI, Haifeng LIU   +6 more
doaj   +1 more source

Rheological properties study of portland and sulphoaluminate cement composite slurry considering hydration superposition effect

Meitan kexue jishu
The silicate-sulphoaluminate cement (PO−SAC) composite slurry has the advantages of short setting time, high early strength and good impermeability, and has broad application prospects in the treatment of coal mine water inrush.
Jianguo FAN, Rentai LIU, Junchang LI, Xiang SUN, Mengjun CHEN, Jiwen BAI, Zhijing ZHU, Chenyang MA   +7 more
doaj   +1 more source

Coal-water slurry atomization characteristics [PDF]

, 1994
The overall objective of this work was to fully characterize the CWS fuel sprays of a medium-speed diesel engine injection system. Specifically, the spray plume penetration as a function of time was determined for a positive-displacement fuel injection system.
Caton, J. A., Kihm, K. D.
openaire   +2 more sources

Sealing Behavior and Flow Mechanism of Expandable Material Slurry with High Water Content for Sealing Gas Drainage Boreholes

Geofluids, 2018
Predrainage of coalbed gas by underground drilling is one of the main approaches for eliminating gas disasters in coal mines. Owing to the unsatisfactory sealing effect of conventional sealing materials, coalbed gas drainage boreholes face serious air ...
Guozhong Hu, Wenrui He, Changjin Lan
doaj   +1 more source