Liquid purification or separation – Gravitational separator – Mechanical constituent mover
Patent
1999-02-24
2000-06-13
Wyse, Thomas G.
Liquid purification or separation
Gravitational separator
Mechanical constituent mover
210241, 210525, B01D 2120, B01D 2124
Patent
active
060737794
ABSTRACT:
A sludge vacuum trolley (14) propels a sludge vacuum manifold (12) along the bottom of a settling basin or tank along a track (16) attached to the bottom of the settling basin. The sludge vacuum trolley (14) incorporates two drive wheels (26,27) that selectively engage the track to propel the sludge vacuum system therealong. The drive wheels (26, 27) are actuated by respective pneumatic rotary actuators (24, 25) whose rotary output shafts are connected to either air clutches or roller clutches, which in turn, drive the drive wheels. Air-actuated clamping cylinders (32, 33) selectively engage or disengage the drive wheels (26, 27) from the track so that the drive wheels will frictionally engage the track, and that rotation of the drive wheels by respective pneumatic rotary actuators will propel the sludge vacuum trolley along the track. Various embodiments of the sludge vacuum trolley utilize slightly different mechanical configurations and a variety of sequences of actuation of the respective pneumatic rotary actuators, air clutches, and clamping cylinders to propel the sludge vacuum trolley along the track in an incremental and step-wise progression.
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Gammell Kathleen R.
Shea Edward M.
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