The Safe Use of Controlled Recirculation Techniques in the Ventilation of United Kingdom Coal Mines

Mitchell D,
Organization: The Australasian Institute of Mining and Metallurgy
Pages: 10
Publication Date: Jan 1, 1988
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In recent years the need to provide increased ventilation to improve environmental conditions rather than to dilute firedamp has led to increasing interest in the use of recirculation. Present UK mining law prohibits recirculation in ventilation, but it has been permitted selectively by exemption granted by Hm Inspectorate of Mines and Quarries. The conditions of use imposed by these exemptions to safeguard the safety and health of miners are examined in detail, dealing separately with primary and auxiliary recirculation systems.
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