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AssigneesHans U. Feustel, Joachim Mallon, Michael Schaaf
InventorsHans U. Feustel, Joachim Mallon, Michael Schaaf, Edmund Wilms, Gerhard Neumann, Karl-Heinz Kohler, Ludwig Ruschitzka
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A coke-fired cupola, including: a furnace shaft having a well at one end, a charging device connected to the shaft, a lower-mouth exhaust connected to the shaft below the charging device, and a furnace gas exhaust ring arranged at the shaft below the charging device and the lower-mouth exhaust. Additionally, at least one nozzle is connected to the shaft above the well. The at least one nozzle has a centrally run oxygen lance. A gas recirculating circuit is provided for connecting the furnace gas exhaust ring to the at least one nozzle. The gas recirculating circuit includes an exhaust device connected to the furnace gas exhaust ring, a recirculating gas ring connected to the at least one nozzle and a recirculating gas duct connected between the exhaust device and the recirculating gas ring.
A coke-fired cupola, comprising:
A process for melting iron metallurgical material in a coke-fired cupola having a gas recirculating circuit, comprising the steps of melting the metallurgical material in a well of the cupola;
Dependencies are inferred from the claim text.