PLANT FOR MAKING CAST IRON AND/OR SPONGE CAST IRON AND METHOD OF MAKING CAST IRON AND/OR SPONGE CAST IRON

PLANT FOR MAKING CAST IRON AND/OR SPONGE CAST IRON AND METHOD OF MAKING CAST IRON AND/OR SPONGE CAST IRON

FIELD: metallurgy. SUBSTANCE: proposed plant includes at least one reactor with fluidized bed which is used for loading fine-grain ore. Reactor is equipped with supply pipe line for reducing gas, pipe line for discharge of used gas escaping from reactor and unit for discharge of reduced product obta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MILIONIS KONSTANTIN, ZIUKA DITER, VIZINGER KHORST, KEPPLINGER LEOPOL'D VERNER
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
MANUFACTURE OF IRON OR STEEL
METALLURGY
METALLURGY OF IRON
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:FIELD: metallurgy. SUBSTANCE: proposed plant includes at least one reactor with fluidized bed which is used for loading fine-grain ore. Reactor is equipped with supply pipe line for reducing gas, pipe line for discharge of used gas escaping from reactor and unit for discharge of reduced product obtained in reactor; discharge unit is connected with briquetting unit. Waste gas exhaust pipe line is included in cleaning device, scrubber, for example and then to heating unit and then to reducing gas supply pipe line. Heat exchanger is provided to be used as heating unit for reducing gas; provision is also made for unit for partial after-burning of reducing gas at delivery of oxygen. EFFECT: improved quality of product at minimum power requirements. 5 cl, 1 dwg