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BASIC CHARACTERISTICS OF FANS USED IN UNDERGROUND SPACES

Ing.Tomas Kral, Ing. Andrea Mokrosova, doc.Pavel Zapletal, PhD., Ing.Aneta Landecka

Abstract

Since the beginning of deep mining for the acquisition of minerals or driving galleries, later tunnels, man has faced the problem connected with draining used and polluted air (the so-called mine air), and transport of fresh air to the workplace. Since time immemorial, mine air has influenced and prevented the work of miners and drifters, as well as of the mechanized technology. The most significant factors of air pollution include exhaust fumes of mechanisms used in the performance of work, blasting fumes and, obviously, in the case of mines, gases released from the rock mass when its structure is disturbed. Finally, a major problem is blowing dust and unsuitable microclimatic conditions. Therefore, it was necessary to discover a process which would effectively eliminate these problems. As a result, in mines and in areas where mining methods are applied, main or auxiliary (separate) fans have been installed. Fans have made work in mines more effective and, among other things, it increased the safety of employees. The aim of this article is to explain the basic divisions and properties of the most used mining fans in the Ostrava-KarvinпїЅ district. And also the characteristics of the fans used in the drilling of road and railway tunnels in the Czech and Slovak Republics as well as in Europe.

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DOI resolver: doi.org/10.5593/sgem2017/13/s03.014

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