ELECTRIC ARC FURNACE SYSTEM FOR MAKING STEEL PRODUCTS

PROBLEM TO BE SOLVED: To provide, in an electric arc system for making steels, a method and a structure for ensuring that hang-ups do not arise and ensuring decrease or elimination of the presence of non-metallic inclusions in a final solidified product.SOLUTION: In an electric arc furnace system fo...

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Hauptverfasser:	CHRISTIAN E ERICKSEN, UNDERYS ALGIRDAS A, BRADA GUY A, LIMATAINEN BRUCE C, GULIANA JOHN A
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BLASTING CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS POWDER METALLURGY PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL RETORTS TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide, in an electric arc system for making steels, a method and a structure for ensuring that hang-ups do not arise and ensuring decrease or elimination of the presence of non-metallic inclusions in a final solidified product.SOLUTION: In an electric arc furnace system for making steel, a method and structure for eliminating teeming hang-ups and ensuring temperature homogeneity in a ladle which teems into an ingot mold by gas purging at all possible steps under both atmospheric and vacuum conditions, and for preventing non-metallic inclusions from appearing in the final product by deflecting a granular material 335 in a teeming ladle well block away from the ingot mold by a heat resistant but combustible deflector 352 just prior to entry of a teeming stream 355 into the ingot mold. 【課題】鋼を作製するための電気アーク炉システムにおいて、注入膠着をなくし、最終的な製品の中に非金属含有物が生じることを阻止するための方法及び構造の提供。【解決手段】鋼を作製するための電気アーク炉システムにおける、注入膠着をなくし、大気と真空状態の両方における全ての可能な段階におけるガスパージ作用によってインゴット鋳型内に満ちる取鍋内の温度の均質性を保証し、及び注入ストリーム３５５がインゴット鋳型に進入する直前に、注入取鍋ウェルブロック内の粒状物質３３５を、耐熱性であるが可燃性のデフレクター３５２によってインゴット鋳型から離れるように逸らすことによって、最終的な製品の中に非金属含有物が生じることを阻止する方法及び構造。【選択図】図１８