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2 083 685

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C1

(51)

IPC

(21) (22)

Application

95103828/02, 1995-03-15

(22)

Actual filing date

1995-03-15

(45)

Published

1997-07-10

(72)

Inventor

Verevkin V.I.Butorin V.K.Koshelev A.E.Shtajger A.F.Groshev I.V.Obsharov M.V.Poteshkin E.G.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF PROMPT MEASUREMENT OF POSITION OF LANCE NOZZLE RELATIVE TO SURFACE OF MELT DURING ITS BLOWING IN LADLE Russian patent published in 1997 - IPC

Abstract RU 2083685 C1

FIELD: metallurgy. SUBSTANCE: relation between pressure before lance and depth on lance immersion into melt is described on the basis of experiment. Pressure is registered during the entire period of blowing. Position of lance relative to metal surface is determined continuously by inverse relationship: in lowering the lance to lower position - in function of measured pressure; and in the lower position of lance - by the last absolute minimum of smoothed time relationship of pressure. EFFECT: higher efficiency. 1 dwg

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RU 2 083 685 C1

Authors

Verevkin V.I.

Butorin V.K.

Koshelev A.E.

Shtajger A.F.

Groshev I.V.

Obsharov M.V.

Poteshkin E.G.

Dates

1997-07-10—Published

1995-03-15—Filed

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