Rapid glass melting or premelting

C - Chemistry – Metallurgy – 03 – B

Patent

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Details

C03B 5/16 (2006.01) C03B 3/00 (2006.01) C03B 5/18 (2006.01) C03B 5/193 (2006.01) C03B 5/235 (2006.01)

Patent

CA 2446251

A method for melting glass forming batch material includes charging the glass forming batch material (6) to a glass melting apparatus (1); impinging a flame (7) proximate to the surface (4) of the batch materials to form a glass melt (8) from the batch material; and bubbling the glass melt in proximity to the impinging flame with a fluid (10), advantageously producing a shearing action sufficient to enhance the solution rate of the glass forming batch material relative to the same system without bubbling, but without splashing glass and without significant production of seeds or blisters in the glass melt. Melting of the glass forming batch material with bubbling proceeds more quickly, and/or at lower temperatures than occurs in a comparable conventional glass melting furnace.

L'invention concerne un procédé pour assurer la fusion du matériel de fournée en verre. Ce procédé consiste à charger ce matériel de fournée (6) dans un appareil de fusion du verre (1) ; rapprocher une flamme (7) de la surface (4) du matériel pour provoquer la fusion du verre (8) et assurer la formation de bulles du verre fondu près de la flamme avec un fluide (10). Ce système génère une action de cisaillement suffisante pour améliorer la vitesse de mise en solution du matériel de la fournée par rapport au même système sans bulle, mais permet de ne pas provoquer d'éclaboussure de verre et de ne pas produire de grains ou de cloques dans le verre fondu. La fusion du matériel de la fournée avec formation de bulles se produit plus rapidement et/ou à des températures inférieures par rapport à un four de fusion de verre traditionnel.

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