Electric heating – Heating devices – Combined with container – enclosure – or support for material...
Patent
1974-09-20
1977-01-04
Bartis, A.
Electric heating
Heating devices
Combined with container, enclosure, or support for material...
28 62, 57 34HS, 165105, 219341, 219530, H05B 300, F27B 908, D02J 1300, F28D 1500
Patent
active
040015483
ABSTRACT:
Heating apparatus for the heat treatment of synthetic yarns having a lower evaporator zone partially filled with a liquid, vaporizable heat transfer mechanism. The hot vapors of the medium heat a plurality of straight or convexly curved profile tubes having yarn contact surface or a plurality of thread guide tubes inside heating jacket tubes. The vapors are condensed in an upper condenser. Branch tube lines communicate the profile or jacket tubes with the evaporator and the condenser. One or more return lines return the condensate from the condenser to the evaporator. The evaporator has transverse baffle plate walls at spaced, axial intervals, which walls are at least substantially coextensive with the entire liquid-moistened portion of the evaporator zone for effectively damping any liquid pressure waves created in the evaporator. Recesses in the damper plate walls allow liquid flow between zones between respective baffle plate walls. Heating elements, such as electrical resistance heating members, extend in the axial direction of the evaporator and may be surrounded by perforate members which, in turn, may be filled with metal pieces, such as wire coils, lath shavings, or metal cuttings.
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Barmag Barmer Maschinenfabrik Aktiengesellschaft
Bartis A.
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