A cupola furnace is a type of melting furnace commonly used in foundries for melting cast iron and other metal alloys. It is a vertical, cylindrical structure typically made of steel or lined with refractory material, allowing it to withstand high temperatures. ### Key Features of Cupola Furnaces: 1. **Structure:** The furnace usually has an upper charging area where raw materials (such as scrap metal, coke, and limestone) are loaded, and a tap hole at the bottom for removing the molten metal.
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