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2 071 973

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Application

5055729/02, 1992-07-21

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Actual filing date

1992-07-21

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Published

1997-01-20

(72)

Inventor

Moskalina Fedor Nikolaevich[Ua]Ikkonen Arnol'D Konstantinovich[Ru]Loginov Valerij Nikolaevich[Ru]Kotov Anatolij Pavlovich[Ru]Egorov Nil Dmitrievich[Ru]Netronin Valerij Ivanovich[Ru]Zubar' Sergej Nikolaevich[Ru]

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa

METHOD FOR WASHING OF HEARTH OF BLAST FURNACE Russian patent published in 1997 - IPC

Abstract RU 2071973 C1

FIELD: metallurgy, namely, pig iron production. SUBSTANCE: method comprises detecting of gas content along radial directions in upper portion of shaft and determining the clogging factor Qd of hearth; washing the hearth when values of said factor is equal to 60-90% in any point of cross section of mouth; determining the value of factor Qd according to relation x 100%, where Fed, quantity of ferrum reduced to direct way for 1 cu. m of hearth gas, kg/cu.m; Fek, quantity of ferrum reduced by indirect way for 1 cu.m of hearth gas, kg/cu.m. EFFECT: increased efficiency of blast furnace, lowered coke consumption. 3 tbl

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RU 2 071 973 C1

Authors

Moskalina Fedor Nikolaevich[Ua]

Ikkonen Arnol'D Konstantinovich[Ru]

Loginov Valerij Nikolaevich[Ru]

Kotov Anatolij Pavlovich[Ru]

Egorov Nil Dmitrievich[Ru]

Netronin Valerij Ivanovich[Ru]

Zubar' Sergej Nikolaevich[Ru]

Dates

1997-01-20—Published

1992-07-21—Filed

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