NDLI: Microwave Drying of Moist Coals

Content Provider	Springer Nature Link
Author	Salomatov, Vl. V. Karelin, V. A. Sladkov, S. O. Salomatov, Vas. V.
Copyright Year	2017
Abstract	Physical principles and examples of practical implementation of drying large bodies of coal by microwave radiation are considered. It is shown that energy consumption in microwave drying of brown coals decreases to 1.5–1.8 (kW·h)/ kg as compared with traditional types of drying, for which the expenditures of energy amount to 3.0 (kW·h)/kg. In using microwave drying, the technological time of drying decreases to 4 h, whereas the time of convective drying, with other things being equal, comes to 8–20 h. Parallel with microwave radiation drying, grinding of a fuel takes place, as well as entrainment of such toxic and ecologically harmful elements as mercury, chlorine, phosphorus, sulfur, and nitrogen. An analysis of the prospects of using a microwave energy for drying coal fuel has shown that microwave radiation makes it possible to considerably economize in energy, increase explosional safety, improve the ecological situation, and reduce the metal content and overall dimensions of the equipment.
Starting Page	497
Ending Page	508
Page Count	12
File Format	PDF
ISSN	10620125
Journal	Journal of Engineering Physics and Thermophysics
Volume Number	90
Issue Number	2
e-ISSN	1573871X
Language	English
Publisher	Springer US
Publisher Date	2017-04-24
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	coal microwave radiation drying dispersion dielectric heating Engineering Thermodynamics, Heat and Mass Transfer Thermodynamics Industrial Chemistry/Chemical Engineering Complex Systems Classical Mechanics
Content Type	Text
Resource Type	Book Review
Subject	Engineering Condensed Matter Physics

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