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2 096 480

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IPC

(21) (22)

Application

96110263/02, 1996-05-21

(22)

Actual filing date

1996-05-21

(45)

Published

1997-11-20

(72)

Inventor

Kozoderov V.I.Jarikov I.S.Grigor'Ev V.N.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

AUTOMATIC NATURAL GAS FLOW RATE REGULATION SYSTEM FOR BLAST FURNACE TUYERE Russian patent published in 1997 - IPC

Abstract RU 2096480 C1

FIELD: ferrous metallurgy. SUBSTANCE: automatic flow rate regulation system has channel adapted for measuring flow rate of hot oxygen-enriched blast furnace gas and provided with measuring diaphragm; hot blast furnace gas temperature measuring channel with thermoelectric couple; channel adapted for measuring oxygen content in blast furnace gas and provided with sensor; channel adapted for measuring natural gas flow rate and provided with measuring diaphragm; natural gas flow rate setter; measuring and electronic units of regulator; power amplifier and actuating mechanism; theoretical combustion temperature setter; device connected with first and second multipliers and adapted for determining coefficients k(1) and k(2) allowing natural gas flow rate to be optimized. Regulator is mounted on natural gas pipeline. EFFECT: increased efficiency of blast furnace, reduced consumption of coke by providing optimum flow rate ratio of natural gas and oxygen-enriched blast furnace gas. 1 dwg , 1 tbl

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RU 2 096 480 C1

Authors

Kozoderov V.I.

Jarikov I.S.

Grigor'Ev V.N.

Dates

1997-11-20—Published

1996-05-21—Filed

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