| 摘要 |
<p>PURPOSE:To efficiently produce molten steel with a small quantity of energy, by using iron source of iron scrap, etc., as the main raw material. CONSTITUTION:At the time of obtaining the molten steel by the equipment combining a cupola 1, converter and scrap preheating device, combustion heat obtd. by burning CO generated in the cupola is given to the raw material of the iron scrap 7 in the furnace. Further, this heat is used for drying and preheating the charged raw material and also, the exhaust gas containing CO generated from the converter is recovered and supplied to a heat exchanger and the air for blasting into the cupola is made to be hot blast.</p> |
