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2 009 201

(13)

C1

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IPC

(21) (22)

Application

5024590/02, 1991-12-20

(22)

Actual filing date

1991-12-20

(45)

Published

1994-03-15

(72)

Inventor

Savast'Janov Ju.V.Manaenkov S.K.Kozoderov V.I.Zavidonskij V.A.Gudkov A.V.

(73)

Holder

Novolipetskij Metallurgicheskij Kombinat Im.Ju.V.Andropova

METHOD FOR BLAST-FURNACE SMELTING Russian patent published in 1994 - IPC

Abstract RU 2009201 C1

FIELD: metallurgy. SUBSTANCE: method includes preheating the natural gas prior to injecting it into the hot air flow enriched with oxygen. Preheating is effected by addition of steam having temperature of 300-600 C and volume equal 10-50% of that of the natural gas. Then mixture is delivered to a cooler where condensation is carried out and the moisture is removed. The cooler outlet natural gas temperature is maintained at 85-150 C, and the moisture content at 25% at most. EFFECT: enlarged operating capabilities. 1 dwg

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RU 2 009 201 C1

Authors

Savast'Janov Ju.V.

Manaenkov S.K.

Kozoderov V.I.

Zavidonskij V.A.

Gudkov A.V.

Dates

1994-03-15—Published

1991-12-20—Filed

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