FIELD: mining industry. SUBSTANCE: according to method, fresh air is delivered into mine working by major fan. Ventilation in quarry is effected by combination of non-isothermic free flows which are created by electrically driven quarry fans and convective flows created by hydrogen steam generators with electrolyzers which decompose quarry water. Electricity for driving motors of major and quarry fans is produced by wind-driven generator units which are installed on waste piles of mine or on dumps and surface of quarry. Some wind-driven generator units are located in zone of action of mine ventilation flow with dust suppression in mind. EFFECT: high efficiency. 2 cl, 1 dwg
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