Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1995-01-05
1996-07-02
Chiesa, Richard L.
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55228, 55233, 55242, 552577, 55270, 55274, B01D 4706
Patent
active
055318002
ABSTRACT:
An automatically controlled water spray-based air purification system having a humidification portion and a dehumidifying portion is operatively installed in an air handling unit used to recirculate air within a conditioned space. A blower within the air handling unit housing operates to draw return air into the housing, flow the air across the entire air purification system, and then discharge the purified and humidified air back into the conditioned space. Upon sensing an excess humidification of the air, a humidistat operates a supply air/return air damper system to cause a portion of the air interiorly traversing the housing to bypass the humidification portion of the purification system to thereby reduce the moisture content of the air discharged from the unit. A water spray portion of the purification system is served by a pump forcing water from a sump structure through a filter, with the spray water draining back into the sump after cleansing air traversing the purification system. Upon a sensed demand therefor, an additive injector adds suitable chemical treatment material to the sump water, and a water pollutant monitor structure operates to backwash the filter upon sensing an undesirable pump back pressure increase or a buildup of particulate and gaseous pollutants in the sump water.
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Jones Barry D.
Sewell Frederic D.
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