Patent ID: 8025835

Claim:
A furnace for use in a galvannealing or a galvanizing process including: a chamber including multiple zones defined by four walls, a first opening and a second opening; a first heating input capable of delivering warmed gas into a first zone of the chamber; a second heating input capable of delivering warmed gas into a second zone of the chamber; a first cooling input capable of delivering cooled gas into one zone of the chamber; a second cooling input capable of delivering cooled gas into another zone of the chamber; a first set of baffles positioned in the chamber and moveable between a substantially open position and a substantially closed or partially closed position; a first set of adjustable doors capable of substantially covering the first opening and a second set of adjustable doors capable of substantially covering the second opening; and a third heating input capable of delivering warmed gas into the chamber and a fourth heating input capable of delivering warmed gas into the chamber, and wherein each of the heating and cooling inputs are separate from one another and attach directly to the chamber, and separate fans are provided for the warmed gas and the cooled gas.