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Electric heating furnace for continuous annealing

Electric heating furnace for continuous annealing

Electric heating 2-strand furnace for continuous annealing Wokop-T by German company KOHNLE GmbH is used for annealing of clad strips in coils.

The maximum temperature in four heating zones, 850˚C, is set by operator andis maintained by a digital control system with thermocouples in each zone. Annealing takes place under protective atmosphere of pure nitrogen, which prevents oxidation of the strip surface.

The furnace is equipped with a heat resistant steel conveyor belt; the conveyor speed is synchronized with the speed of strip coiling on the mandrel, which allows to avoid strip surface quality depreciation due to friction of strip onthe conveyor.

Speed is one of major parameters for the process of annealing in continuous strand-type furnaces, so it is continuously controlled between 0.5 and 5.5 m/min, with an accuracy of ± 5%.

The furnace is equipped with a water-cooled condenser to avoid oxidation of the hot strip surface at the exit of the heating zones.

Electric heating 2-strand furnace for continuous annealing Wokop-T by KOHNLE GmbH