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2 017 830

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Application

4897326/02, 1990-12-27

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Actual filing date

1990-12-27

(45)

Published

1994-08-15

(72)

Inventor

Chirikhin V.F.Belunichev L.V.Vasil'Ev L.M.Nechaev E.A.Perfil'Ev V.G.Veselov N.A.Myl'Nikov S.Ju.Fiskin Ja.P.

(73)

Holder

Cherepovetskij Metallurgicheskij Kombinat

METHOD OF METAL PURIFICATION PROCESS CONTROL IN DIRECT-FLOW STEEL MELTING AGGREGATE Russian patent published in 1994 - IPC

Abstract RU 2017830 C1

FIELD: metallurgy. SUBSTANCE: method of metal purification process control in direct-flow steel melting aggregate provides for change of feeding of oxygen and natural gas, number of hard oxidizer additions, graphite containing powder-shaped material, blow-through lances position, determination of time sequence of graphite containing powder-shaped material feeding and taking into consideration mismatch of estimated metal temperature for time of purification process end with its given value, correction of oxygen and natural gas consumption and blow-through lances position. In the case, estimated value of carbon share and metal temperature is calculated according to corresponding mathematical functions. EFFECT: method is used for automatization of melted metal purification process in direct-flow steel aggregates. 1 dwg

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RU 2 017 830 C1

Authors

Chirikhin V.F.

Belunichev L.V.

Vasil'Ev L.M.

Nechaev E.A.

Perfil'Ev V.G.

Veselov N.A.

Myl'Nikov S.Ju.

Fiskin Ja.P.

Dates

1994-08-15—Published

1990-12-27—Filed

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