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ArticleName Main ventilation fan selection for mines in the northeast of Russia
DOI 10.17580/gzh.2018.06.12
ArticleAuthor Alymenko N. I., Kamenskikh A. A.

Mining Institute, Perm Federal Research Center, Ural Branch, Russian Academy of Sciences, Perm, Russia:

N. I. Alymenko, Leading Researcher, Professor, Doctor of Engineering Sciences,
A. A. Kamenskikh, Researcher, Candidate of Engineering Sciences


In order to ensure design air supply of all working places in any ventilation mode in mines, main ventilation installation should be equipped with fans (axial or centrifugal) with sufficient aerodynamic characteristics. The range of industrial use of fans is limited by aerodynamic characteristics and 0.6 efficiency line, and performance of fans should not go beyond this range. The article considers variants of ventilation using ejector fan installation in mines in the the Magadan Region, Chukotka Autonomous Okrug and Khabarovsk Territory. The mode and capabilities of this installation are described. Based on research findings, serviceability of the ejector fan installation as an auxiliary and main ventilation system is discussed. The main results of operation of the ejector fan plant as the main ventilation installation in the Dukat and Mnogovershinny mines are presented. The design and aerodynamic scheme of the ejector fan installation with constant aerodynamic characteristics is considered. The obtained dependences are presented to determine the optimal parameters of the ejector fan installation with diff erent fans are given, and its applicability as a main mine ventilation system in mines accessed by adits and short shafts is substantiated. The variants of the ejector fan installation location on ground surface and in underground mine are discussed. The article shows that the mines in the northeast of Russia are, basically, accessed by adits, small in size and need much less air supply as compared with deep mines.

keywords Mine, ventilation, fan installations, shaft, aerodynamic drag, ventilation method, difficult ventilation zones

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