This article describes a new, cost-effective alternative to traditional technology based on transferring refractory reflected heat into the melt charge.
Oxyfuel melting of aluminum scrap has been used for nearly 30 years. Industrial gas companies that provide combustion technology led its commercialization, while justification for implementing oxyfuel technology was mainly driven by productivity improvements. Depending on the type of scrap, process and equipment used, furnace throughput typically increased between 10 and 25%. Higher throughput offset the higher operating costs stemming from oxygen consumption.