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    • 7. 发明申请
    • TEMPERING FURNACE FOR A GLASS SHEET AND A METHOD FOR HEATING A GLASS SHEET FOR TEMPERING
    • WO2021001599A1
    • 2021-01-07
    • PCT/FI2020/050459
    • 2020-06-25
    • GLASTON FINLAND OY
    • VEHMAS, JukkaKETO, Kyösti
    • C03B29/08C03B27/04F27B9/10F27B9/30F27B9/36
    • The invention relates to a tempering furnace for a glass sheet, which has a conveyor for the glass sheet (G), first convection blow means over the conveyor to heat the glass sheet by hot air jets blown onto its top surface, whereby the first convection blow means include a blower pressurising air sucked from the tempering furnace, air channels to lead air from the blower to blow enclosures (6) which have, in their bottom surface, first blow openings (9) from which air is discharged as jets towards the top and / or bottom surface of the glass sheet, electric elements (8) inside the blow enclosures, warming up air, and second convection blow means with which pressurised air external to the tempering furnace may be led to second blow nozzles (11) from which air is discharged as jets towards the bottom surface of the glass sheet, and the electric elements form a matrix-like separately-adjustable electric element field, whereby the heating effect of the air jets of the first convection blow means onto the glass sheet (G) is arranged to be adjustable by adjusting the feeding of electric current to the electric elements, and the blow nozzles (11) of the second convection blow means of the tempering furnace form a plurality of blow zones separately-adjustable in a matrix-like manner, the heating effect onto the glass sheet of the jets discharging from the second blow nozzles within these blow zones being arranged to be adjustable by adjusting the blow pressure of feed pipes. The invention additionally relates to a method for heating a glass sheet for tempering.
    • 8. 发明申请
    • TEMPERING FURNACE FOR GLASS SHEETS
    • WO2020188147A1
    • 2020-09-24
    • PCT/FI2020/050168
    • 2020-03-18
    • GLASTON FINLAND OY
    • VEHMAS, JukkaKETO, Kyösti
    • C03B29/08C03B27/04F27B9/10F27B9/30F27B9/36
    • The present invention relates to a tempering furnace (1) for a glass sheet (G), which has a conveyor (2) for the glass sheet (G), first convection blow means over the conveyor (2) to heat the glass sheet (G) by hot air jets blown on its top and/or bottom surface, whereby the first convection blow means include a blower (4) pressurizing air sucked from the tempering furnace (1), air channels to lead air from the blower (4) to blow enclosures (6) which have, at their bottom surfaces, first blow openings (9) from which air is discharged as jets towards the top and/or bottom surfaces of the glass sheet (G), electric elements (8) inside the blowing channels heating air, and second convection blow means with the aid of which pressurized air from outside the tempering furnace (1) may be led to second blow nozzles (11) from which air is discharged as jets towards the top and/or bottom surface of the glass sheet (G), and the electric elements (8) form a matrix-like separately adjustable electric element field whereby the heating effect of the air jets on the glass sheet (G) is arranged to be adjustable by adjusting the feeding of electric current to the electric elements (8), and the blow nozzles (11) of the second convection blow means of the tempering furnace (1) form blow zones, separately-adjustable in a matrix-like manner, the heating effect on the glass sheet (G) of the jets discharged from the second blow nozzles (11) inside the blow zones being arranged to be adjustable by adjusting the blowing pressure of feed pipes.
    • 10. 发明申请
    • OFEN
    • WO2018234126A1
    • 2018-12-27
    • PCT/EP2018/065716
    • 2018-06-13
    • EISENMANN SE
    • MUCK, MatthiasSABELFELD, Dimitri
    • F27B5/16D01F9/32F27B9/08F27B9/28F27B9/30F27D17/00
    • Es ist ein Ofen (10) zur thermischen Behandlung, insbesondere zur Carbonisierung und/oder Graphitisierung, von Material, insbesondere von Fasern (12), insbesondere von Fasern (14) aus oxidiertem Polyacrylnitril PAN, wobei aus dem Material bei der thermischen Behandlung ein Pyrolysegas freigesetzt wird, angegeben. Der Ofen (10) umfasst ein Gehäuse (16), einen im Innenraum (18) des Gehäuses (16) befindlichen Prozessraum (22), der durch ein Prozessraumgehäuse (24) begrenzt ist und durch welchen das Material hindurchführbar ist, ein Heizsystem (32), mittels welchem eine in dem Prozessraum (22) herrschende Prozessraumatmosphäre (30) aufheizbar ist, und ein Abzugsystem (48), mittels welchem mit Pyrolysegas beladene Prozessraumatmosphäre (30) aus dem Prozessraum (22) absaugbar ist. Das Abzugsystem (48) weist wenigstens eine Absaugeinrichtung (52) mit einem durch eine Kanalwand (58) begrenzten Absaugkanal (60) auf, der über eine Absaugöffnung (62) mit dem Prozessraum (22) verbunden ist. Die Absaugöffnung (62) ist in einem Bereich (68) des Prozessraumes (22) angeordnet, in dem im Betrieb des Ofens (10) eine Temperatur herrscht, bei der es zu keiner oder nur zu moderaten chemischen Reaktionen zwischen dem Pyrolysegas und dem Prozessraumgehäuse (24) und/oder der Kanalwand (58) kommt.