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2 138 749

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Application

98101058/02, 1998-01-05

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Start date

1998-01-05

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Actual filing date

1998-01-05

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Published

1999-09-27

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Inventor

Frantsenjuk L.I.Belen'Kij A.M.Berdyshev V.F.Berembljum G.B.Kon'Shin A.P.Pribytkov I.A.Semjannikov S.V.Basukinskij B.M.

(73)

Holder

Ao Metallurgicheskij Kombinat"Moskovskij Gosudarstvennyj Institut Stali I Splavov Universitet)

METHOD OF COOLING METAL IN BELL-TYPE FURNACE Russian patent published in 1999 - IPC

Abstract RU 2138749 C1

FIELD: thermal treatment of tightly wound coils of sheet cold-rolled steel strips, for example, sheet iron, automobile body sheets, etc. SUBSTANCE: cooling the charge is the most extensive stage of the coil annealing cycle in bell-type furnace: heating takes 30 to 50 hours at delays and cooling takes 60 to 90 hours. Method consists in watering the muffle from above from header of special-purpose cooling bell mounted on stand after removal of heating bell. Cooling water is fed by stepped manner, not continuously; ratio of duration of supply to duration of disconnected ranges from 0.1 to 100 and may change in the course of cooling the charge. EFFECT: intensification of charge cooling process; reduced consumption of water.

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RU 2 138 749 C1

Authors

Frantsenjuk L.I.

Belen'Kij A.M.

Berdyshev V.F.

Berembljum G.B.

Kon'Shin A.P.

Pribytkov I.A.

Semjannikov S.V.

Basukinskij B.M.

Dates

1999-09-27—Published

1998-01-05—Filed

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