VENTILATION SYSTEM FOR PLANT

摘要

FIELD: ventilation. ^ SUBSTANCE: ventilation system comprises exhaust air duct for contaminated air that has fan provided with the electric motor. The ventilation system is provided with the controller of air flow rate connected with the pickup of concentration of harmful agents and converter of the speed of rotation of the electric motor of the fan. ^ EFFECT: enhanced efficiency and improved quality of air. ^ 1 dwg