Cold set catalyst supply and fume incinerator for a foundry core

Details Cold set catalyst supply and fume incinerator for a foundry core Cold set catalyst supply and fume incinerator for a foundry core

1973-10-29

1976-02-10

Husar, Francis S.

Metal founding

Means to shape a forming surface

110 8A, 164 16, 164 67, 164259, B22C 912, B22D 2714, F23G 300

Patent

active

039372723

ABSTRACT:
The apparatus comprises high pressure injection means for supplying during an accurately adjustable controlled cycle time an accurately adjustable controlled volume of atomized cold set catalyst into a high pressure dry air, nitrogen and/or CO.sub.2 gas stream passing through the core box to cure the resin followed by a continuing air, nitrogen or CO.sub.2 gas purging of the core box. The fumes from the core box are drawn through a natural gas or propane fired fume incinerator wherein an excess air-fuel mixture causes oxidation of the fumes during a controlled temperature and residence time. The fume incinerator operates continuously at a constant temperature under control by an automatic temperature sensor regardless of fume input and includes suction means to prevent back flow of gasses from the incinerator to the core box.

REFERENCES:
patent: 2824345 (1958-02-01), Zifferer
patent: 2876510 (1959-03-01), Zifferer
patent: 3030675 (1962-04-01), Chiabotti
patent: 3038221 (1962-06-01), Hansberg
patent: 3248178 (1966-04-01), Hoskinson
patent: 3728797 (1973-04-01), Worden
patent: 3787171 (1974-01-01), Cromp
patent: 3795726 (1974-03-01), Zifferer
patent: 3837813 (1974-09-01), Ebeling

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