Results 31 to 40 of about 36,299 (243)

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

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

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

Integral Characteristics of Stability of Coal-Water Slurries and Coal-Water Slurries Containing Petrochemicals By Evaluation of Separation Into Layers

MATEC Web of Conferences, 2016
For wide use of coal and oil processing wastes in heat power industry we investigated the structural stability of coal-water slurries (CWS) and coal-water slurries containing petrochemicals (CWSP).
Dmitrienko Margarita A., Nyashina Galina S., Vershinina Ksenia Yu., Lyrschikov Sergey Yu.   +3 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

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

Development of coal-feeding systems at the Morgantown Energy Research Center [PDF]

, 1977
Systems for feeding crushed and pulverized coal into coal conversion reactor vessels are described. Pneumatic methods for feeding pulverized coal, slurry feeders, and coal pumps, methods for steam pickup, and a method for drying a water-coal slurry in a ...
Hobday, J. M.
core   +1 more source

Ignition of the Soaring Droplet Sets of Waste-Derived Coal-Water Slurry With Petrochemicals [PDF]

, 2016
We have analyzed the ignition of droplet sets of waste-derived coal-water slurry with petrochemicals for the case of their soaring inside special combustion chamber.
Dmitrienko, Margarita Aleksandrovna, Egorov, Roman Igorevich, Shevyrev, Sergey Anatolievich, Valiullin, Timur   +3 more
core   +2 more sources

Novel Functional Materials via 3D Printing by Vat Photopolymerization

Advanced Functional Materials, EarlyView.
This Perspective systematically analyzes strategies for incorporating functionalities into 3D‐printed materials via Vat Photopolymerization (VP). It explores the spectrum of achievable functionalities in recently reported novel materials—such as conductive, energy‐storing, biodegradable, stimuli‐responsive, self‐healing, shape‐memory, biomaterials, and
Sergey S. Nechausov, Patrick Fesser, Boris A. Bulgakov, Ulrich S. Schubert   +3 more
wiley   +1 more source

An Advanced High‐Performance Ultrafast Ammonium‐Ion Aqueous Battery Based on Dual‐Metal Redox Open Framework Molecular Magnet

Advanced Science, EarlyView.
The Prussian Blue Analogue molecular magnet KMnFeHCF is demonstrated as a high‐performance cathode for ultra‐fast aqueous ammonium‐ion batteries. A full cell using KMnFeHCF and graphite delivers ~71 mAh g−1 at 1.25 A g−1 and ~51 mAh g−1 at 2.2 A g−1, retaining 50% capacity after 1850 cycles. Its scalability, cycling stability, and low cost offer strong
Nilasha Maiti, Pramod Bhatt, Manoj K Sharma, Sher Singh Meena, Mayuresh D Mukadam, Soumen Samanta   +5 more
wiley   +1 more source