UNDERGROUND VENTILATORY INSTALLATION FOR MAIN AIRING Russian patent published in 2009 - IPC E21F1/08 

FIELD: mining.

SUBSTANCE: invention relates to mining industry and can be used for airing of mine and grooves and other objects of national economy, located under ground. Ventilatory installation includes operating and standby axial fans, located in ventilatory chamber. Ventilatory chamber is divided by means of partition cross inclined to side walls of chamber for two parts, used in the capacity of air-feed and offtake channels. Momtors of fans are located in part of ventilatory chamber, separated from the rest part of chamber by cross inclined - longitudinal partition. Transporting erection connection is connected to butt of ventilatory chamber.

EFFECT: decreasing of capital and operating costs, losses of mineral at development of stratified deposits and providing of safety of miner works.

3 dwg