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horizontal belt filter; improvement and method for maintaining a drainage hole alignment on a drainage belt with an underlying vacuum sump on a horinzontal filter belt
horizontal belt filter; improvement and method for maintaining a drainage hole alignment on a drainage belt with an underlying vacuum sump on a horinzontal filter belt
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机译:水平带式过滤器;排水管道上排水孔对准的改进和方法,卧式过滤带上有下面的真空槽
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摘要
A mechanism in a horizontal belt filter controls the position of the drainage belt to ensure its alignment with the vacuum pan. A section of belt rollers supporting the drainage belt is mounted on a movable structure capable of shifting the rollers laterally to the degree necessary to compensate for misalignments between the drain holes and the vacuum pan. The control operation is implemented with a detector capable of sensing the position of the drain holes in the belt with respect to the vacuum pan. A signal is sent to an actuator that causes the belt rollers to move laterally in the direction required to maintain alignment of the drain holes with the vacuum pan. A dual-drive system is preferably utilized to provide a more uniform force distribution along the drive pulley and to increase torque, thereby also advantageously increasing the capacity of the filter.
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