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2 340 682

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(51)

IPC

C21C7/00(2006-01-01)

(21) (22)

Application

2006143253/02, 2006-12-06

(24)

Start date

2006-12-06

(22)

Actual filing date

2006-12-06

(45)

Published

2008-12-10

(72)

Inventor

D'Jachenko Viktor FedorovichSarychev Aleksandr ValentinovichVelikij Andrej BorisovichNikolaev Oleg Anatol'EvichPavlov Vladimir Viktorovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD FOR STEEL CHEMICAL HEATING Russian patent published in 2008 - IPC C21C7/00

Abstract RU 2340682 C2

FIELD: metallurgy.

SUBSTANCE: method of steel chemical heating supports inlet of aluminum into metal, oxygen blow through dipped into metal tuyere and further blow by inert gas, and after achieving of predetermined temperature metal is treated by calcium. For definition of calcium consumption it is used relation: Q_Ca=441.2-0.00057×Q_O2-0.96Q_Al-9.06 (oxidation before - oxidation separately), where Q_Ca - calcium consumption, kg; Q_O2 - oxygen consumption for chemical heating, m³; Q_Al - aluminum consumption for chemical heating, kg; O oxygen before, O oxygen sep - oxidation of metal before calcium addition and demanded level of oxidation for metal casting; 441.2; 0.00057; 0.96; 9.06 - empirically determined coefficient, received experimentally.

EFFECT: optimal content of oxygen at achieving of defined temperature of metal heating, forming of easy removing nonmetallic, improving of steel casting on varietals continuous caster, increasing of assorted output.

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RU 2 340 682 C2

Authors

D'Jachenko Viktor Fedorovich

Sarychev Aleksandr Valentinovich

Velikij Andrej Borisovich

Nikolaev Oleg Anatol'Evich

Pavlov Vladimir Viktorovich

Dates

2008-12-10—Published

2006-12-06—Filed