Double Oven Blast Furnace consists of a brick lined structure with fire brick oven in the middle and a metal Exo-skeletal structure outside. The Blast Furnace is mainly used to produce secondary lead metal. The Blast Furnace is offered with a oven in 600mm top diameter and 250mm bottom diameter range. Double Oven Blast Furnace is provided with an air pollution control device to facilitate ease of operation.