B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/366, 165/66
B01D 53/34 (2006.01) B01D 53/72 (2006.01)
Patent
CA 1079495
ABSTRACT OF THE DISCLOSURE An apparatus and method for chemically altering and scrubbing the noxious constituents from foundry core manufacturing and arc welding operations is disclosed. An upstanding closed container is provided and a gas washing liquid is disposed within the container to a predetermined level. A horizontal baffle is mounted stationarily within the container at an elevation spaced slightly above the level of the gas washing liquid therein and spaced peripheral portions of the baffle are spaced inwardly of the opposing inner surface of the container. A gas drive pipe extends into the container, downwardly past the baffle, and opens downwardly in a central lower portion of the container, below the baffle and near the bottom of the liquid. The container includes a top cover and an outlet duct is provided which opens outwardly of the container through a central portion of the cover. The gases are pumped into the drive pipe to achieve a critical velocity at the exit of the drive pipe of about 900-6000 linear feet per minute. Entering the liquid in a substantially vertical downward direction within the critical velocity range, small gas-containing bubbles, on the order of 1/8-3/8 inches is diameter, are formed as the gas stream rises, which bubbles impact against the horizontal baffle. The high velocity gases impart sufficient kinetic energy to the system to enable the necessary chemical reactions and scrubbing to proceed.
264092
Schauer Dennis J.
Schauer John M.
Schauer Dennis J.
Schauer John M.
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