C - Chemistry – Metallurgy – 03 – B
Patent
C - Chemistry, Metallurgy
03
B
C03B 3/02 (2006.01) C03B 5/00 (2006.01) C03B 5/12 (2006.01)
Patent
CA 2050323
An apparatus and method are disclosed for processing glass- making materials under oxidizing conditions, and for processing materials, such as hazardous or toxic wastes, or smelting under re- ducing conditions. As a glass-making apparatus the invention includes a cyclone melt reactor for forming a liquid glass melt and a combus- tion preheater for receiving the glass-making materials and combusting the fuel and oxidant therein to heat the glass batch materials to a temperature at least equal to the melt temperature of the glass batch material. The combustion preheater has an outlet connected to the glass melt reactor, and at least one inlet is provided into the com- bustion preheater for introducing oxidizing materials and for creating a well-stirred region within the combustion preheater means. Supple- mental heat can be provided by introducing a heated transfer gas into the combustion preheater, and a fuel gasifier can be provided for pro- ducing a fuel gas before the fuel gas is injected into the combustion preheater. For processing materials under reducing conditions, the cyclone melt reactor is connected to a preheater/reducing chamber and preheated reducing gas is introduced into the reducing chamber in such a manner that a well-stirred region is created within the reducing chamber. Heated transfer gas from a supplemental heat source and re- ducing gas from a fuel gasifier can also be introduced into the re- ducing chamber.
Hnat James G.
Ridout & Maybee Llp
LandOfFree
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