CONTINUOUS TREATMENT OF MOLTEN SLAG AND DEVICE THEREFOR

• Main Authors: OKUO TERUAKI, NAKAJIMA MINORU, TSUJIBE HIROICHI, GOTO HIROSHI, ENDO CHUICHI
• Format: Patent
• Language: English
• Published: 16.03.1990
• Subjects: ARTIFICIAL STONE; BLASTING; CEMENTS; CERAMICS; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE; FERROUS OR NON-FERROUS ALLOYS; FURNACES; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; KILNS; LIGHTING; LIME, MAGNESIA; MANUFACTURE OF IRON OR STEEL; MECHANICAL ENGINEERING; METALLURGY; METALLURGY OF IRON; OVENS; PRETREATMENT OF RAW MATERIALS; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL; PRODUCTION AND REFINING OF METALS; REFRACTORIES; RETORTS; SLAG; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS; TREATMENT OF NATURAL STONE; WEAPONS

PURPOSE:To prevent the deposition and solidification of a metal in a cooling vessel by discharging the molten slag generated in a converter, etc., into the cooling vessel, separating the solidified slag and metal, and continuously treating the slag. CONSTITUTION:The molten slag generated in a converter, etc., is directly discharged into the cooling vessel 12 on a truck 11, and conveyed into a crushing building E to solidify the slag. The vessel 12 is then tilted by a tilting machine 13, hence the solidified slag and metal are dropped onto a grizzly 14, the metal is separated from the slag by a partition material 121 set on the bottom plate 122 of the vessel 12 and the drop impact, and the metal left on the grizzly 14 is discharged into a metal pit 15 by a cleaner 141. Meanwhile, the slag is crushed by the drop impact, and introduced into a skip car 20 through a chute 142. The car is hoisted for each charge, and turned by a dumper 21. The slag is charged into a slag truck 22 and then continuously cooled. By this method, slag and metal are easily separated, and the generation of a skull of metal in the vessel 12 is eliminated.