Patent ID: 6979399
Filing Date: 2005-12-27
Classification: B01D,B03D,C02F,G05D

Abstract:
1. An apparatus for controlling the water level in a paint spray booth sludge recovery system having said paint spray booth discharging spent paint and water, comprising a sludge tank, the sludge tank having chemicals treatment section, a weir separating the chemicals treatment section and downstream from the chemicals treatment section, a weir box downstream of the weir receiving at least some of the flow from the weir, a separator withdrawing spent paint and water from the weir box and returning at least some of the cleaned water to the spray booth sludge recovery system, measuring means for measuring the water level in the weir box and adjusting means for adjusting the water level in the weir box to keep it essentially constant, further including means for agitating the water in the weir box to keep materials therein in suspension.