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2 371 483

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IPC

C21C5/28(2006-01-01)

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Application

2007111811/02, 2007-03-30

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Start date

2007-03-30

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Actual filing date

2007-03-30

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Published

2009-10-27

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Inventor

Kirichkov Anatolij AleksandrovichKozlov Vladillen AleksandrovichKushnarev Aleksej VladislavovichKulik Vadim MikhajlovichPetrenev Vladimir VeniaminovichJur'Ev Aleksej Borisovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

PROCESSING METHOD OF VANADIUM-BEARING CAST IRONS Russian patent published in 2009 - IPC C21C5/28 

Abstract RU 2371483 C2

FIELD: metallurgy.

SUBSTANCE: invention relates to ferrous metallurgy, particularly to processing method vanadium-bearing cast irons. Method includes pouring of cast iron into converter, feeding of oxidant-cooler and slagging materials, blowing off of metal by oxygen, flushing of it into ladle, accumulation in converter of vanadium slag from cycle two-four previous melting and its canting into slag pot. At finishing melting of accumulation cycle of vanadium slag in the capacity of oxidant-cooler into converter there are added crushed up to 200 mm vanadium-bearing slags of monoprocess and/or steel slags of duplex-process in amount 1.5-20.0 kg/t of cast iron and provide temperature of metal in the end of blowing off for 100-200°C higher than liquidus temperature.

EFFECT: usage of invention will provide receiving of marketable vanadium-bearing slags, increasing of yield.

4 ex, 3 tbl

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RU 2 371 483 C2

Authors

Kirichkov Anatolij Aleksandrovich

Kozlov Vladillen Aleksandrovich

Kushnarev Aleksej Vladislavovich

Kulik Vadim Mikhajlovich

Petrenev Vladimir Veniaminovich

Jur'Ev Aleksej Borisovich

Dates

2009-10-27—Published

2007-03-30—Filed

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