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Water wash booths collect overspray using a constant stream/curtain of water where overspray particles are scrubbed from the air that the booth exhausts. While the water curtain collects most of the overspray, the section where the scrubbing action occurs is most important. Fixed baffles force the exhaust air to constantly change direction and, as this occurs, the water scrubs the particulates from the air or they simply fall into the water trough.
Water wash spray booths are ideal when using large quantities of coatings, usually more than 5 gallons per day per square foot of face area. These booths are available in any type of booth design small, large, open, closed, crossdraft, down draft, semi-down draft.
Dynaprecipitor Water Wash Booth
This booth employs two well-known engineering principles to remove paint particles from exhaust air in painting operations. First, by drawing air through a continuous curtain of moving water, suspended paint particles are scrubbed out. Second, when air carrying paint particles makes a sudden change in direction of flow, centrifugal force slings the solid particles out of the air stream (called impingement). Entrained paint particles are thrown against adjacent walls and curtains. Water then flushes the particulate into the collecting pan. Through these two actions the air reaching the exhaust stack is virtually free of airborne particles keeping the stack area cleaner longer.
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