Machine for washing plastic fragments to prepare them for recycl

Details Machine for washing plastic fragments to prepare them for recycl Machine for washing plastic fragments to prepare them for recycl

1991-11-14

1993-01-19

Morris, Theodore

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 251, 134 33, 134 61, 134 63, 134 65, 134 79, 1341043, 1341044, 134153, 134108, 134119, 134182, B08B 300, B08B 304, B08B 314

Patent

active

051804379

ABSTRACT:
A process of, and apparatus for, washing fragments, such as plastic fragments, in a continuous fashion as part of a recycling operation. The plastic fragments are fed into an axially rotating perforated tube, wherein a stationary washing and rinsing spray header are mounted therethrough for spraying the plastic fragments revolving with the tube. Wash and rinse water pass through the perforations, carrying with the water residue and unwanted particles. The wash water, rinse water and unwanted particles pass into a trough arranged below the revolving tube which collects the water and residue and transports same to either a screen separator in the case of the wash water, or a holding tank in the case of the rinse water. Auxiliary systems are disclosed for using recycled wash water and recycled rinse water for the process. A drying system which receives the plastic fragments from the washing apparatus is also disclosed.

REFERENCES:
patent: 1132597 (1915-03-01), Marlin
patent: 2503556 (1950-04-01), McCargar
patent: 2684560 (1954-07-01), Swanson
patent: 3400871 (1968-09-01), Davis
patent: 4106518 (1978-08-01), Buzga et al.
patent: 4173493 (1979-11-01), Kallas
patent: 4436104 (1984-03-01), Kashiwagi
patent: 4453556 (1984-06-01), Corbett

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