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Product Bulletin

Tilting Barrel Furnace

Tilting Barrel Furnace for Aluminum Melting

SECO/WARWICK tilting barrel furnaces are designed employing the natural advantages of an arch configuration to provide a compact melting furnace that is both productive and economical.  The self-supporting steel shell and refractory lining offers the greatest resistance to thermal expansion or motion distortion.  This design produces improved heat transfer for faster melting rates.  By rotating the entire furnace chamber on its base, controlled pouring is achieved without the need for complicated equipment.  The combination of fundamental design and rugged construction has provided the solution to the problems of production melting.

Application

Die casters, sand casters and permanent molders find barrels are ideal central melters for supplying hot metal to holding and dispensing equipment.  Low loss melting of chips, flash and other fine section scrap is achieved by charging through an external end well to avoid flame impingement.  Ingot, heavy scrap and returns may be easily charged through a full width access door at the opposite end.  Together, these give users efficient charging and melting centralized in one furnace.

Advantages

• Increased melting rate to size ratio - The cylindrical roof focuses re-radiated heat on the bath for efficient melting.  Burners are mounted to fire across the roof before spreading at low velocity to return over the bath creating a double pass firing pattern.  The cylindrical floor increases the surface to bath ratio speeding heat transfer.
• Alternate charging - Solids are charged in the end door for fast loading.  Fine section material can be charged continuously into the end well to avoid the metal loss that occurs from flame impingement.
• Controlled pouring - Tilting on its own axis, a barrel can pour any quantity up to capacity.  The operator can easily adjust the rate of discharge by varying the degree of furnace tilt.
• Longer furnace life - The combination of a cylindrical steel shell and an interlocking circular refractory lining provides self-supporting construction that eliminates hangers or separate roof construction.
• Cleaner Metal - The well opening has a submerged arch that extends below the normal bath level to keep dross originating with the scrap charge from contaminating the main bath.  The wall mounted luminous flame burners reduce the superheating and oxide buildup caused by short flame roof burners.
• Low Maintenance - Simplified design and construction improve furnace life and reduce maintenance to a minimum.