The structure of an aluminum melting furnace includes several components that help regulate the heat and ensure even melting. The furnace's refractory lining, made from materials like alumina, ensures that the heat is contained and helps prevent damage to the furnace body. The design of the furnace also includes a system for introducing scrap aluminum, which may come in various forms,... https://www.silcarb.com/industrial-furnaces/crucible-type-aluminium-melting-furnaces.php