Patent ID: 6086817
Filing Date: 2000-07-11
Classification: C21C,F27D,Y02P

Abstract:
A furnace hood device for exhausting furnace gas from a work area, said furnace hood device comprising:a) at least two panels fastened together to provide a flue positioned at a location to receive gases generated by a furnace, each of said at least two panels comprising:i) an inlet header for receiving cooling water;ii) an outlet header;iii) a plurality of tubes attached to and distributing the cooling water from said inlet header to said outlet header, said tubes being arranged adjacent to one another to define an inside surface exposed to said gases and an outside surface opposite to said inside surface, wherein said inlet header and said outlet header are offset back from said inside surface such that said inlet header and said outlet header remain substantially apart from said gases, said tubes having turns at opposite ends of the inside surface, each turn being toward a respective one of said inlet header and outlet header, to accommodate said offset; andiv) at least one jumper pipe forming a fluid connection between an outlet header in a first panel and an inlet header in a second panel of said at least two panels, said jumper pipe providing means for distributing cooling water between the panels.