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U.S. Department of Energy
Office of Scientific and Technical Information

Furnace exhaust system

Patent ·
OSTI ID:7345315

Apparatus is disclosed for attachment adjacent to an open end of a rotary furnace, having a first effluent furnace gas exhaust duct projecting into the furnace and a dust collecting hood adjacent to the furnace opening. A pressurized air duct plenum having a plurality of air jet holes directs a curtain of air across the furnace open end, and a receiving air duct plenum having a plurality of openings collects the air curtain for exhausting via a filter system. The hot effluent furnace gas is passed through a gas-to-gas heat exchanger and to the aforementioned filter system.

Assignee:
General Resource Corp.
Patent Number(s):
US 3963416
OSTI ID:
7345315
Country of Publication:
United States
Language:
English