SHAFT ELECTRIC RESISTANCE FURNACE Russian patent published in 2006 - IPC C21D1/76 F27B1/09 F27B5/04 

FIELD: electrothermal equipment, in particular intermittent shaft electric resistance furnace for thermal treatment of parts in controlled atmosphere.

SUBSTANCE: claimed shaft resistance furnace includes heating chamber arranged on bearer and containing sealed case with cladding; heaters, muffle, and bonnet, which has hole for cut of stock conveyance controlling mechanism; pipe for inlet and outlet of controlling medium, such as argon; catch, arranged under muffle bed door; and cooling chamber in form of demountable reservoir environed with water casing, which is tightly joined with bed door by releasable connection through adapter, and catch is sealed. Reservoir and adapter have pipes to charge and exhaust cooling medium. Heaters are divided along chamber height into sections with independent feeding and controlling. Cooling chamber is arranged on rolls.

EFFECT: furnace of increased productivity.

10 cl, 1 dwg