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2 625 620

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IPC

C21B3/00(2006-01-01)

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Application

2016102024, 2016-01-21

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Start date

2016-01-21

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Actual filing date

2016-01-21

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Published

2017-07-17

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Inventor

Pavlov Aleksandr VladimirovichPolinov Andrej AleksandrovichGostenin Vladimir AleksandrovichSeleznev Dmitrij IvanovichProkhorov Ivan EvgenevichBeginyuk Vitalij AleksandrovichSemenyuk Mikhail AleksandrovichGridasov Viktor PetrovichLogachev Grigorij NikolaevichNeverovskaya Inna Petrovna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

BLAST-FURNACE SMELTING METHOD Russian patent published in 2017 - IPC C21B3/00 

Abstract RU 2625620 C1

FIELD: metallurgy.

SUBSTANCE: blast-furnace smelting method includes the charging material main components loading and the scar removal by the periodic loading of the iron ore charge, having the washing properties. At the same time iron ore charge with washing properties is used, which contains, wt %: non-fluxed pellets - 50-70, agglomerate - 20-45 and mineral part of the converter slag - 5-10. The mentioned iron ore charge loading provide with the shift to the axial furnace area to prevent the furnace lower part refrigerators burnout, and the scar removing process intensification is provided by the increasing of the air blasting amount and its redistributing around the periphery of the furnace by the tuyeres diameter change.

EFFECT: invention allows to increase the air blast furnace service life and output by removing the excess deposits on the stack walls and its profile restore.

1 dwg, 2 tbl, 1 ex

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RU 2 625 620 C1

Authors

Pavlov Aleksandr Vladimirovich

Polinov Andrej Aleksandrovich

Gostenin Vladimir Aleksandrovich

Seleznev Dmitrij Ivanovich

Prokhorov Ivan Evgenevich

Beginyuk Vitalij Aleksandrovich

Semenyuk Mikhail Aleksandrovich

Gridasov Viktor Petrovich

Logachev Grigorij Nikolaevich

Neverovskaya Inna Petrovna

Dates

2017-07-17—Published

2016-01-21—Filed

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