método para fundir material de formação do vidro em um forno de fusão de vidro

A method of melting glass forming material in a glass melting furnace, said furnace having a back wall, breast walls above sidewalls, and a downstream front wall connected to a roof, wherein at least one batch charger for charging glass forming batch material is contained in at least one of the back...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	JOHN R. LEBLANC, GREG FLOYD PRUSIA, ANDREW PETER RICHARDSON, NEIL GEORGE SIMPSON, THOMAS G. CLAYTON
Format:	Patent
Sprache:	por
Schlagworte:	AIR AIR SUPPLY BLASTING BURNERS CHEMISTRY COMBUSTION APPARATUS COMBUSTION PROCESSES DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE DRAUGHT-INDUCING FURNACES GLASS HEATING KILNS LIGHTING MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES MECHANICAL ENGINEERING METALLURGY METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN MINERAL OR SLAG WOOL OVENS RETORTS SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS WEAPONS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A method of melting glass forming material in a glass melting furnace, said furnace having a back wall, breast walls above sidewalls, and a downstream front wall connected to a roof, wherein at least one batch charger for charging glass forming batch material is contained in at least one of the back wall and the sidewall, comprising providing at least one oxy-fuel burner in the roof of said furnace over said batch material, wherein said at least one oxy-fuel burner is adapted for staged combustion; providing a flow of fuel to said at least one oxy-fuel burner; providing a flow of gaseous oxidant in association with said at least one oxy-fuel burner; injecting the fuel and the oxidant into the furnace, wherein the fuel jet comprises one of a substantially fuel only jet and a fuel rich fuel-oxidant mixture, and wherein the oxidant jet comprises one of a substantially oxidant only jet and a fuel lean fuel-oxidant mixture, wherein the injected fuel jet and the injected oxidant jet are separated, and are optionally angled with respect to the other, by an amount sufficient to cause the respective flows to converge proximate to or at the surface of the glass forming material, preferably wherein the fuel jet and oxidant jet are separated and angled with respect to each other from 0 DEG to about 90 DEG ; and, combusting said fuel from at least said one oxy-fuel burner such that at least a portion of combustion is effected in the vicinity of said glass forming material to enhance convective and radiative transfer of heat to said glass forming material without substantially disturbing said glass forming material; optionally wherein the mixing of said fuel and said oxidant is delayed to localize combustion proximate to or at the surface of said glass forming material, optionally including staging the flow of fuel from the oxy-fuel burner, and further optionally including fully combusting reactive intermediate species proximate to or at the glass forming material surface.