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2 455 375

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C1

(51)

IPC

C22B23/00(2006-01-01)

(21) (22)

Application

2011101318/02, 2011-01-13

(24)

Start date

2011-01-13

(22)

Actual filing date

2011-01-13

(45)

Published

2012-07-10

(72)

Inventor

Shashmurin Pavel IvanovichZagajnov Vladimir SemenovichStukov Mikhail Ivanovich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo Nauchno-Proizvodstvennoe Ob"Edinenie Nauchno-Issledovatel'Skij Uglekhimicheskij Institut"

METHOD TO PRODUCE NICKEL MATTE Russian patent published in 2012 - IPC C22B23/00 

Abstract RU 2455375 C1

FIELD: metallurgy.

SUBSTANCE: agglomerate oxidised nickel ore and fuel reducing agent are loaded into the furnace. Oxygenated blasting is fed to the combustion zone and recovery-sulfided melting is carried out. Supply of oxygenated blasting is performed through the blast tuyeres placed at least at two levels Through the first level of the tuyeres the main blast is supplied, and through the second level of the tuyeres, located above the first level, additional oxygenated blasting is supplied. The distance between the tuyeres of the first and second levels is 660-1000 mm, while the number of primary blasting is greater than the number of additional blasting.

EFFECT: increased efficiency and sustainability of work of the furnace, as well as the melt-through of nickel alongside with reduction of coke consumption.

5 cl, 1 tbl

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RU 2 455 375 C1

Authors

Shashmurin Pavel Ivanovich

Zagajnov Vladimir Semenovich

Stukov Mikhail Ivanovich

Dates

2012-07-10—Published

2011-01-13—Filed

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