Induction furnance heating module and gas zone

Details Induction furnance heating module and gas zone Induction furnance heating module and gas zone

1997-10-14

1999-07-13

Walberg, Teresa

Industrial electric heating furnaces

Induction furnace device

With internal atmosphere control

373139, 373141, 29527, 219651, F27D 706

Patent

active

059236990

ABSTRACT:
A heating module for use in steel processing is provided. The module includes one or more gas heating zones and one or more induction heating coils intermixed among the gas heating zones. The modules are used to heat steel slabs to a consistent temperature throughout. Generally, the induction coils are used to increase the temperature of the slab, while the gas heating zones function to hold the slab at the increases temperature and to allow the heat to soak into the interior of the slab. The gas heating zones are generally lined with refractory material and include sufficient rollers to carry the steel slabs through the heating modules. The rollers are positioned in such a manner that the majority of the surface area of the roller is not within the interior of the gas heating zone at any one time. At least a segment of the floor of the gas heating zone is pivotable such that debris can be easily removed from the heating zone and such that the interior of the heating zone is easily accessed.

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