C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 5/225 (2006.01) C03B 5/20 (2006.01) C03B 5/235 (2006.01)
Patent
CA 2283252
The invention concerns a method for melting and refining materials capable of being vitrified, such that all or part of the heat energy required for melting said materials capable of being vitrified is supplied by burning fossil fuel(s) with at least an oxidant gas, said fuel(s)/gas(es) or gas products derived from combustion being injected beneath the mass of materials capable of being vitrified (7). The refining of the melted materials capable of being vitrified comprises at least a step of pressurisation at sub-atmospheric pressure level. The invention also concerns the device for implementing the method and its applications.
L'invention a pour objet un procédé de fusion et d'affinage de matières vitrifiables, tel que tout ou partie de l'énergie thermique nécessaire à la fusion desdites matières vitrifiables est apportée par la combustion de combustible(s) fossile(s) avec au moins un gaz comburant, le(s)dit(s) combustibles/gaz ou les produits gazeux issus de la combustion étant injectés sous le niveau de la masse des matières vitrifiables (7). L'affinage des matières vitrifiables après fusion comprend au moins une étape de mise sous pression sous-atmosphérique. L'invention concerne également le dispositif de mise en oeuvre du procédé et ses applications.
Berthereau Anne
Jeanvoine Pierre
Massart Tanguy
Goudreau Gage Dubuc
Saint-Gobain Vitrage
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