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Regenerative Furnace

The Siemens regenerative furnace is composed of three divisions, including the producers, where the crude gas is generated; the regenerators, chambers containing a network of fire-brick passages through which the heated gases and flame may circulate and the heat be stored as they escape from the furnace, to be again mixed with the gases from the producer and the air as they pass through the regenerator to the furnace hearth; and the furnace itself, which is the third division. By this arrangement the outgoing heated volatile products heat the mass of bricks in the chamber, and this again heats the incoming air and gas supplied to the furnace. See SIEMENS-MARTIN STEEL.