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2 385 949

(13)

(51)

IPC

C21C5/28(2006-01-01)

(21) (22)

Application

2008126100/02, 2008-06-26

(24)

Start date

2008-06-26

(22)

Actual filing date

2008-06-26

(45)

Published

2010-04-10

(72)

Inventor

Baryl'Nikov Viktor VladimirovichKorobejnikov Anatolij Prokop'EvichFilin Aleksandr Nikolaevich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Industrial'Nyj Universitet"

STEEL-MAKING METHOD IN OXYGENOUS CONVERTER Russian patent published in 2010 - IPC C21C5/28

Abstract RU 2385949 C2

FIELD: metallurgy.

SUBSTANCE: method includes charging feed, pouring of cast iron, blowing off of bath by oxygen, additive by slag-forming material, blowing off of steel by ionised supersonic sound oxygen. During the carbon oxidation period it is increased ultrasound frequency from 2×10⁴ up to 10⁹ Hz during the period of oxygen removing (during the period of reduction) it is increased ultrasound frequency up to 10¹⁴ Hz.

EFFECT: use of this invention provides decreasing in content of sulphur, phosphor, oxygen, nitrogen, hydrogen and steel.

1 ex, 1 tbl

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RU 2 385 949 C2

Authors

Baryl'Nikov Viktor Vladimirovich

Korobejnikov Anatolij Prokop'Evich

Filin Aleksandr Nikolaevich

Dates

2010-04-10—Published

2008-06-26—Filed