System and process for abatement of casting pollution, reclaimin

Details System and process for abatement of casting pollution, reclaimin System and process for abatement of casting pollution, reclaimin

1980-03-14

1982-04-20

Baldwin, Robert D.

Metal founding

Process

Including recycling of process material

164 7, 164 61, 164255, 164 16, 164 761, 164124, B22D 2300, B22D 2715

Patent

active

043254241

ABSTRACT:
A low vacuum is applied to selected surface areas of a resin bonded sand mold to draw ambient air into selected portions of the mold. The air entering the mold burns out a significant portion of the resin binder to form a low BTU gas fuel and to recover casting heat for use in a waste heat boiler or other heat abstractions device. Therefore, foundry air pollution is reduced, the burned out portion of the molding sand is recovered for immediate reuse, and a savings in fuel and energy.

REFERENCES:
patent: 1031305 (1912-07-01), West
patent: 3165302 (1965-01-01), Krouse
patent: 3617043 (1971-11-01), Hirao
patent: 3941868 (1976-03-01), Riester
patent: 4064926 (1977-12-01), Naegele
patent: 4154055 (1979-05-01), Pulick et al.
patent: 4222429 (1980-09-01), Kemp
patent: 4226277 (1980-10-01), Matalon

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