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2 191 832

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C1

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IPC

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Application

2001110158/02, 2001-04-13

(24)

Start date

2001-04-13

(22)

Actual filing date

2001-04-13

(45)

Published

2002-10-27

(72)

Inventor

Grachev V.A.Kirin E.M.Gorelov N.A.Chernyj A.A.Anfinagentov I.Ju.

(73)

Holder

Penzenskij Gosudarstvennyj Universitet

METHOD OF CAST IRON RECARBURIZATION Russian patent published in 2002 - IPC

Abstract RU 2191832 C1

FIELD: ferrous metallurgy, particularly, methods of production of cast iron with high content of carbon. SUBSTANCE: method includes passing of liquid metal through layer of heated product of combustion of gas-oxygen mixture of carbon-containing carburizing material and its subsequent dissolving in liquid cast iron. Carburizer layer is given rotary motion round axis of supplied metal, for which purpose, carburizer is placed into rotating refractory shell to whose upper layers, gas-oxygen flame is directed. EFFECT: increased degree of carbon assimilation by a factor of 1.1-1.2. 1 dwg, 1 ex

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RU 2 191 832 C1

Authors

Grachev V.A.

Kirin E.M.

Gorelov N.A.

Chernyj A.A.

Anfinagentov I.Ju.

Dates

2002-10-27—Published

2001-04-13—Filed

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