Melting Process Up to 75 % Lower Energy Demand with New Furnace Technology

While smaller plants have already been running new, energy-efficient recuperation gas burners at lower CO₂ emissions, this technology is now also available for the tried and tested RAUCH Furnace Technology's dosing and melting furnaces with high melting performances.

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Ing. Rauch Fertigungstechnik GmbH

Fondarex SA

GF Casting Solutions AG

The core of this environmentally conscious technology is the reuse of waste heat which the incineration process produces. This heat is reintroduced into the system and thus reduces the energy demands for the pre-heating of the air in the furnace. Thanks to an integrated heat exchange, noticeably less gas is needed to warm the air. Based on detailed simulations of heat and current relationships in the furnace, the burner arrangement was also optimized. Depending on the production site, the clients will now save up to 75 % in annual energy costs in the melting process when compared to electrically heated furnaces.

Thanks to the significantly more efficient incineration, up to 35 % can also be saved on cold air burners' combustibles costs - which also represents an immense reduction in in CO₂ emissions. At the same time, the removal of waste gases no longer requires a high-temperature resistant chimney. Redirecting the escaped warmth makes the remaining outgoing air considerably cooler.

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