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2 078 830

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Application

5049379/02, 1992-06-23

(22)

Actual filing date

1992-06-23

(45)

Published

1997-05-10

(72)

Inventor

Shchukin Ju.P.Novikov V.S.Derjabin A.A.Sedinkin V.I.Kosachenko I.E.Nikonorov A.D.Volkov V.V.Gostenin V.A.Chaplouskij A.A.Milakova N.I.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Institut Metallov"Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD FOR BLAST MELTING OF ZINC-BEARING IRON ORE MATERIALS Russian patent published in 1997 - IPC

Abstract RU 2078830 C1

FIELD: metallurgy. SUBSTANCE: method involves periodically feeding at least two charges of raw material into blast furnace; reducing flow rate of natural gas, when raw material charges reach furnace bosh extension, and cutting off supply of natural gas for time interval equal to 0.5-0.8 of pause between openings of holes; increasing flow rate of natural gas to initial value upon releasing of cast iron and slag. EFFECT: increased efficiency, simplified method and improved quality of molten metal. 1 tbl

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RU 2 078 830 C1

Authors

Shchukin Ju.P.

Novikov V.S.

Derjabin A.A.

Sedinkin V.I.

Kosachenko I.E.

Nikonorov A.D.

Volkov V.V.

Gostenin V.A.

Chaplouskij A.A.

Milakova N.I.

Dates

1997-05-10—Published

1992-06-23—Filed

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