METHOD FOR COOLING STEEL STRIP IN CONTINUOUS ANNEALING

METHOD FOR COOLING STEEL STRIP IN CONTINUOUS ANNEALING

PROBLEM TO BE SOLVED: To provide a cooling method of a steel strip in a continuous annealing, in which liquid spray or mixed jet of gas and water and gas jet are combined and by which and the oxidation of the steel strip and the consumption of water are remarkably reduced and the uniform and rapid c...

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Hauptverfasser: OSHIDA HIROYUKI, KUZE YUTAKA
Format: Patent
Sprache:eng
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CHEMISTRY
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
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creator OSHIDA HIROYUKI
KUZE YUTAKA
description PROBLEM TO BE SOLVED: To provide a cooling method of a steel strip in a continuous annealing, in which liquid spray or mixed jet of gas and water and gas jet are combined and by which and the oxidation of the steel strip and the consumption of water are remarkably reduced and the uniform and rapid cooling can be executed. SOLUTION: In the continuous annealing of the steel strip, when the steel strip advanced in the furnace is cooled, a plurality of lines of liquid spouting devices and gas jet spouting devices are alternately arranged in the advancing direction faced to the steel strip surface in the furnace, and the liquid film is formed by spraying the liquid onto the steel strip surface from the liquid spouting devices. Successively, the gas jet is blown onto this liquid film from the gas jet spouting devices to cool the steel strip.
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SOLUTION: In the continuous annealing of the steel strip, when the steel strip advanced in the furnace is cooled, a plurality of lines of liquid spouting devices and gas jet spouting devices are alternately arranged in the advancing direction faced to the steel strip surface in the furnace, and the liquid film is formed by spraying the liquid onto the steel strip surface from the liquid spouting devices. 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subjects CHEMISTRY
GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS
MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS
METALLURGY
METALLURGY OF IRON
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS
title METHOD FOR COOLING STEEL STRIP IN CONTINUOUS ANNEALING
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