Method of removing exhaust gases from plastic binded sand molds

Details Method of removing exhaust gases from plastic binded sand molds Method of removing exhaust gases from plastic binded sand molds

1974-02-21

1976-03-02

Rutledge, L. Dewayne

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

164 76, 423224, 423245, B01D 4700

Patent

active

039418685

ABSTRACT:
In casting operations using molds made of plastic-bonded sands, the exhaust gases generated from the plastic binder are collected within an enclosure to which the mold passes from a casting location, the gases are mixed with combustion air supplied into the enclosure and an ignition source is arranged within the enclosure to ignite the combined exhaust gases and combustion air. The enclosure is insulated to retain the heat generated in the combustion operation. An outlet is provided from the enclosure so that any unburnt gases remaining from the exhaust gases can be collected and harmful substances removed to avoid any pollution of the atmosphere.

REFERENCES:
patent: 3545918 (1970-12-01), Frundl
patent: 3637343 (1972-01-01), Hirt
patent: 3804079 (1974-04-01), Schrader
patent: 3806322 (1974-04-01), Tabak
patent: 3838974 (1974-10-01), Hemsath

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