초록 ▼

Air contaminated with combustible dust particles is removed and subjected to a high density air scrubber which safely removes the fine combustible dust particles from the contaminated air. The resulting water saturated, cleansed air is mixed with a continuously regulated amount of drier outside air

Air contaminated with combustible dust particles is removed and subjected to a high density air scrubber which safely removes the fine combustible dust particles from the contaminated air. The resulting water saturated, cleansed air is mixed with a continuously regulated amount of drier outside air until a desired absolute humidity is achieved, the regulation being responsive to the relative humidity changes within a work area in which the humidity is to be controlled. The air mixture is then conveyed into the work area which imparts a known temperature rise thereto. The temperature rise lowers the relative humidity of the air mixture to the desired level.

대표청구항 ▼

Method for maintaining the humidity of air within an enclosed, heat-imparting work area while removing combustible dust particles from contaminated return air removed therefrom comprising the steps of: a. collecting said contaminated air from said work area and moving it through a conduit to a retur

Method for maintaining the humidity of air within an enclosed, heat-imparting work area while removing combustible dust particles from contaminated return air removed therefrom comprising the steps of: a. collecting said contaminated air from said work area and moving it through a conduit to a return air treating apparatus; b. spraying a fine water mist into all of the dust contaminated return air to simultaneously saturate the air with moisture and to coalesce the combustible dust particles with water droplets; c. separating said water droplets from the saturated air; d. mixing a prescribed, regulated portion of the resulting purified, water saturated air with a prescribed, regulated quantity of outside air; e. conveying the air mixture obtained in step (d) to said work area where said air mixture undergoes a predetermined temperature rise to reduce the relative humidity to a desired level; f. the relative amount of return air and outside air used in said mixing step being automatically determined responsive to the existing relative humidity of said work area to thereby achieve a desired relative humidity when the mixture is heated in said work area.