NOZZLE FOR A TEMPERING DEVICE

A device for cooling sheets of glass by jets of air emitted by at least one nozzle in a form of a pipe, including a box supplying the nozzle with air, airflow ejected via an ejection orifice of the nozzle passing successively through a conical part, of which an internal section is reduced in a flow...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	VON DER OHE, RENATE, THUILLIER, SEBASTIEN, FAHL, FOUAD
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS CHEMISTRY GLASS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	A device for cooling sheets of glass by jets of air emitted by at least one nozzle in a form of a pipe, including a box supplying the nozzle with air, airflow ejected via an ejection orifice of the nozzle passing successively through a conical part, of which an internal section is reduced in a flow direction, and then through a cylindrical part including the ejection orifice, of which an internal section corresponds to a smallest internal section of the conical part and to an internal section of the ejection orifice. The cylindrical part of the nozzle has a length greater than 6 times the diameter of the ejection orifice. The device achieves a high level of heat exchange when the sheets of glass are cooled, which makes it possible to increase reinforcing effect on the glass and/or to reduce power of fans used to convey air through the nozzles.