Sand reclamation system

Details Sand reclamation system Sand reclamation system

1974-08-21

1976-01-27

Kelly, Donald G.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51 15, B24C 314, B24C 700

Patent

active

039343740

ABSTRACT:
A sand reclamation system is disclosed for reconditioning and sizing sand utilized in precision molding. The system includes particulate blasting wheels for breaking down the sand molds and reducing them to discrete particles. A conveyor, a first air wash for separating the particulate used for blasting from the granular sand and a second special air wash for separating undersized sand particles from those which may be reused for further molding. The second air wash utilizes a modified air wash separator employing a surge bypass arrangement to insure a constant feed rate therethrough.

REFERENCES:
patent: 2452362 (1948-10-01), Erisman
patent: 3005547 (1961-10-01), Freeman
patent: 3690066 (1972-09-01), Rowe
patent: 3694964 (1972-10-01), Bowling
patent: 3716946 (1973-02-01), Graf
patent: 3742650 (1973-07-01), Graf et al.
patent: 3782643 (1974-01-01), Carpenter

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