A New and Effective Approach to Colliery Heading Ventilation Using Hydraulically Driven Fans

Smit J G,
Organization: The Australasian Institute of Mining and Metallurgy
Pages: 8
Publication Date: Jan 1, 1988
Following an increase in the number of methane ignitions in South African coal mines a new ventilation system was developed. The "Hydravert" system conceived in late 1979 for use in low seam coal mines, where the bord and pillar method of working is used, has been extensively developed to include applications for mining seams up to 4.5 metres high. A brief history of the development is supplied including some of the pitfalls encountered in the hydraulic equipment design and selection.
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