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2 514 234

(13)

(51)

IPC

C21B5/00(2006-01-01)

(21) (22)

Application

2012139739/02, 2012-09-17

(24)

Start date

2012-09-17

(22)

Actual filing date

2012-09-17

(45)

Published

2014-04-27

(72)

Inventor

Avramenko Vitalij AlekseevichChevychelov Andrej Vital'EvichBeginjuk Vitalij AleksandrovichBondarenko Aleksandr SergeevichNabatchikov Dmitrij Gennad'EvichKuvshinov Mikhail Gennad'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF NATURAL GAS FEED TO BLAST FURNACE Russian patent published in 2014 - IPC C21B5/00

Abstract RU 2514234 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy and can be used for smelting of iron in blast furnace. Proposed method comprises preheating of natural gas before feed to air tuyere by cooling the tuyere elements using the natural gas as a coolant. Heated natural gas is mixed with cold natural gas. Produced mix is fed to hot blast flow of blast tuyere. Temperature of fed mix is adjusted in the range of 10-500°C by varying cold natural gas flow rate in the range of 50-500 m³/h.

EFFECT: higher efficiency of blast furnace.

1 dwg, 1 ex

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RU 2 514 234 C1

Authors

Avramenko Vitalij Alekseevich

Chevychelov Andrej Vital'Evich

Beginjuk Vitalij Aleksandrovich

Bondarenko Aleksandr Sergeevich

Nabatchikov Dmitrij Gennad'Evich

Kuvshinov Mikhail Gennad'Evich

Dates

2014-04-27—Published

2012-09-17—Filed