公开(公告)号：US4563274A

公开(公告)日：1986-01-07

申请号：US642193

申请日：1984-08-20

Applicant: Stephen Rothon ,  Ronald Collis

Inventor： Stephen Rothon ,  Ronald Collis

IPC: C02F1/40 ,  B01D17/02 ,  B01D17/032 ,  B01D21/34 ,  B03B13/00 ,  B05B15/12 ,  G05D9/12 ,  B01D21/24

CPC classification number: G05D9/12 ,  B01D17/0214 ,  B03B13/00 ,  B05B15/1266

Abstract: An aqueous solution carrying paint solids is fed through an inlet into a floatation tank. The clean liquid exits through an orifice whose size is controlled by a movable gate. The level of the liquid within the tank is sensed by an ultrasonic rangefinder and the distance signals output from this rangefinder are fed to an electronic controller. During normal operation, this controller periodically supplies power signals to an electric actuator to adjust the position of the gate whereby the level of the liquid in the tank can be maintained substantially at the a first predetermined level. The controller may also include means for causing the liquid to rise to a second predetermined level after a preset time such that the paint solids are transferred over a weir into a collecting vessel. Thereafter the liquid level is caused to rapidly drop and is again maintained at the first level.

Abstract translation: 携带涂料固体的水溶液通过入口进料到浮选槽中。 清洁的液体通过孔口离开，孔口的尺寸由可移动的门控制。 罐内液体的液位由超声波测距仪感测，并将从该测距仪输出的距离信号送入电子控制器。 在正常操作期间，该控制器周期性地向电动执行机构提供电力信号以调节闸门的位置，由此可以将罐中液体的液面基本维持在第一预定水平。 控制器还可以包括用于使液体在预设时间之后上升到第二预定水平的装置，使得油漆固体在堰上传送到收集容器中。 此后，使液面快速下降并再次保持在第一水平。