Liquid purification or separation – Filter – Movable medium
Patent
1996-07-23
1997-04-08
Lithgow, Thomas M.
Liquid purification or separation
Filter
Movable medium
210370, 210376, 2103803, 210402, 425197, B01D 33073, B01D 3329, B01D 3352, B01D 3376
Patent
active
056184239
ABSTRACT:
The present invention concerns an on-the-fly long-running rotary filtration screen device, wherein a split-flow bar and a filtration sleeve are screwed together to form a filtration bar, a filtration screen is inserted onto the cylinder on the filtration sleeve, the cylinder is equipped with round holes, the split-flow bar is equipped with two square slots facing opposite from each other, a large gear to be installed onto the split-flow bar also possesses identical square slots, so that the split-flow bar and the large gear are attached to each other by means of inserting two square keys into the two square slots and then inserting a stopping disc, the bottom of the main housing is equipped with a circular sunk slot connecting to an outlet housing, a residue-removing rod is inserted into a round hole at the lower part of the main housing and, after actuating a motor, the rotating large gear causes the filtration bar to rotate, the action of a hydraulic cylinder pressing against a round rod at the front part of the split-flow bar causes the filtration bar to reciprocate, thereby allowing a plastic raw material to be filtered and agitated by the filtration screen and the small holes on the filtration cylinder to obtain a homogeneous purified plastic raw material, the extraneous matters are collected by a.sub.-- residue-removing rod, and a hydraulic cylinder behind the residue-removing bar pushes the residue-removing bar outward, thereby eliminating the extraneous matters and achieving the excellent effects of obtaining a higher-purity raw material on the fly for a long period of time.
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patent: 4597870 (1986-07-01), Lambertus
patent: 4752386 (1988-06-01), Schulz
patent: 5200074 (1993-04-01), Suzuki
patent: 5387339 (1995-02-01), Lee
patent: 5423977 (1995-06-01), Aoki
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