Glass melting furnace and process

Details Glass melting furnace and process Glass melting furnace and process

C - Chemistry, Metallurgy

03

B

49/77

C03B 5/16 (2006.01) C03B 5/235 (2006.01)

Patent

CA 1059322

GLASS MELTING FURNACE AND PROCESS Abstract: There is disclosed a process and apparatus for use with a glass-melting furnace having a melting zone and a refin- ing zone separated by a bridge wall. Two pairs of burners are mounted in a wall of the furnace for melting the raw batch material within the melting zone of the furnace. The angle between the two burners of each pair of burners is adjusted to increase the mixing of fuel and combustion air so as to ensure complete combustion within the melting zone of the furnace. This enables a substantial reduction in the excess oxygen required in the flue gases from the furnace to maintain an acceptable carbon monoxide level in these flue gases. The burners may also be accurately adjusted during operation of the furnace to maximize the area of the raw batch material covered by the burner flames. The invention permits the economically feasible use of oxygen-en- riched combustion air to further boost production. Despite increases in production in the order of 25%, the level of pollutant emissions in the flue gases is not increased.

190723

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