VENTILATION COMPLEX Russian patent published in 2001 - IPC

FIELD: mining industry; applicable in ventilation of stagnant zones of deep opencasts. SUBSTANCE: ventilation complex includes flexible pipeline whose one end is connected through adapting member to stationary ventilation plant, and the other end is attached to turning hinge of suction head located on self-propelled mount. Suction head has air-heating device and guard. Flexible pipeline is made of inflatable links interconnected with help of corrugated sections. Inflatable links are circular in cross-section and filled with gas so as to provide for suspended position of flexible pipeline in ambient atmosphere. EFFECT: reduced expenditures for ventilation and higher labor safety of personnel. 3 dwg