Patent ID: 6010562
Filing Date: 2000-01-04
Classification: B01D,B05B,Y02A,Y02P,Y10S

Abstract:
A ventilating system for an enclosure defining a work space, said enclosure containing a water scrubber and being provided ventilation air intake and exhaust openings; an air supply fan coupled to said enclosure for effecting a flow of ventilation air from said intake opening to said exhaust opening, with said water scrubber being located for contact by the flow of ventilation air; an air recirculation fan having an inlet coupled to said exhaust opening and an outlet coupled to said intake opening; a desiccant dehumidifier having a recirculation air inlet coupled to said recirculation fan outlet; flow control means for limiting the flow to said desiccant dehumidifier inlet to a minor portion of the air flow exiting said recirculation fan; said desiccant dehumidifier including a recirculation air outlet coupled for returning dehumidified recirculation air to said ventilation air intake opening.