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2 319 751

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(51)

IPC

C21C7/06(2006-01-01)

(21) (22)

Application

2005128231/02, 2005-09-09

(24)

Start date

2005-09-09

(22)

Actual filing date

2005-09-09

(45)

Published

2008-03-20

(72)

Inventor

Stadnichuk Aleksandr ViktorovichStadnichuk Viktor IvanovichMerker Ehduard Ehdgarovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Institut Stali I Splavov" Universitet)

METHOD FOR DEOXIDATION AND ALLOYING OF METAL MELTS Russian patent published in 2008 - IPC C21C7/06

Abstract RU 2319751 C2

FIELD: metallurgy, in particular, deoxidation and alloying of metal melts using ferroalloys of, preferably, small-sized fractions.

SUBSTANCE: method involves using small-sized fractions of ferroalloys with lumps sized up to 40 mm; introducing said fractions into melt, with 10-20-mm thick slag coat being preliminarily formed on lump surfaces. Ferroalloy/slag weight ratio is within the range of 1:(0.2-0.6).

EFFECT: reduced waste of basic ferroalloy element owing to decreased time for contacting of ferroalloys with gaseous medium and slag within working space of melting unit.

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RU 2 319 751 C2

Authors

Stadnichuk Aleksandr Viktorovich

Stadnichuk Viktor Ivanovich

Merker Ehduard Ehdgarovich

Dates

2008-03-20—Published

2005-09-09—Filed