Otto Fuchs orders Aluminium Multi Chamber Melting Furnace from Hertwich Engineering

Otto Fuchs KG is supplementing its casthouse in Meinerzhagen with one Ecomelt-PS150 melting furnace and two tilting holding and casting furnaces from SMS Group’s Hertwich Engineering. The new recycling furnace will be the fifth Ecomelt furnace and with a capacity of 7.7 tonnes per hour.. Both casting furnaces, which are also part of the scope of supply, are designed for a capacity of 20 tonnes.

The Ecomelt-PS150 furnace currently on order with a melting capacity of 7,7 tonnes per hour is the largest multi chamber melting furnace installed at Otto Fuchs to date. It combines scrap preheating and submersion melting of decoated scrap in one compact unit. The entire furnace process is fully automated by a measurement and control system. Scrap is top charged into the vertical arranged preheat shaft and preheated to a maximum temperature of 500°C. Within this temperature range, partial melting is ruled out. Combustion gases are ducted from the main chamber to the melting chamber and the preheat shaft. At the bottom end of the preheating shaft, the preheated material directly immerses into the flowing melt bath of the melting chamber. An electromagnetic liquid metal pump ensures the proper melt flow between the furnace chambers and the flooding of the shaft floor.

Two single chamber furnaces, which are part of this order as well, are placed between the melting furnace and the casting unit. Molten metal is transferred from the Ecomelt melting furnace in one of these furnaces for possible re-alloying. Finally, melt is transferred via the casting launder to the casting machine as needed. Both of these furnaces are hydraulically tiltable. This arrangement ensures a continuous casting operation and reduces downtime for alloy change.

Otto Fuchs KG supplies forgings, extrusion products and rolled rings made of aluminium or other metals and forged car wheels ready for mounting. The high load on these components as well as the extraordinary safety requirements already require precise control of all production steps for the semi-finished products. Hence, Otto Fuchs consistently relies on its own extrusion billet production to ensure product quality.

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