Heat treatment furnace and method of construction

Details Heat treatment furnace and method of construction Heat treatment furnace and method of construction

1984-10-05

1986-06-17

Albritton, Clarence L.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

373130, 373137, 219531, H05B 306

Patent

active

045958262

ABSTRACT:
An improved heat treatment furnace and method of constructing the same is enclosed wherein the duct work of the furnace includes directional vanes and adjustable plenum vents and chamber dampers to yield a substantially uniform air flow pattern within the heat treatment chamber. The plenum vents and chamber dampers are provided with remotely operable actuating means which permit rapid adjustment of the vents and dampers from the exterior of the furnace during the heat treatment process and/or furnace certification. The furnace additionally incorporates a novel ribbon heating element/fiber insulation assembly and construction method which substantially reduces furnace operating costs and insures that only convectional heat transfer (as opposed to radiant) occurs within the heat treatment chamber of the furnace.

REFERENCES:
patent: 3705253 (1972-12-01), Hicks
patent: 3987237 (1976-10-01), Phillips
patent: 4088825 (1978-05-01), Carr
patent: 4418415 (1983-11-01), Raymond
patent: 4443881 (1984-04-01), Northcutt
patent: 4486888 (1984-12-01), Sevink

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