Ventilating system for industrial machines

Metallurgical apparatus – Having means for contacting a solid metalliferous material... – With heating means – e.g. – flame contact

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Details

55385A, 55DIG18, 266158, 266159, F23J 1100

Patent

active

041080513

ABSTRACT:
Contaminated exhaust gases being generated at a work table or work station having one or more open sides adjacent the area above the work table, and normally tending to rise into the atmosphere surrounding the work station, are collected in an exhaust hood which includes an inlet extending parallel to and generally above each of the open sides. A first portion of such exhaust gases collected are passed on to be filtered in conventional pollution abatement equipment; however, a second portion of the contaminated exhaust gases are rerouted and introduced through an air nozzle directed at the aforementioned inlet to the exhaust hood to improve the exhaust gas collecting, as well as reducing the requisite capacity of the filtration equipment and reducing the intake of make up air from the room surrounding the work table.

REFERENCES:
patent: 3303839 (1967-02-01), Tavan
patent: 3340788 (1967-02-01), Landingham et al.
patent: 3397631 (1968-08-01), Simons
patent: 3425335 (1969-02-01), Black
patent: 3708414 (1973-01-01), Laube
patent: 3800689 (1974-04-01), Brown

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