FIELD: metallurgy.
SUBSTANCE: invention relates to an oxidative furnace for oxidative treatment of fibres, primarily for making carbon fibres. Oxidative furnace contains a body which, except for passage areas for hydrocarbon fibres, is gas-tight, technological chamber located inside housing, a device for supply of hot air into chamber, deflecting rollers that flank said process chamber and fibre through said process chamber located nearby zigzag in form of a mat, fibre mat forms between opposite deflecting rollers one plane. Air supply device is made so that hot air is directed to opposite process chamber side of deflecting rollers so that hot air flows around corresponding deflecting roller and fibre until entry input into said process chamber.
EFFECT: invention provides high positive energy balance.
16 cl, 15 dwg
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