Patent Number: 6,253,578

Title: Glass melting process and apparatus with reduced emissions and refractory corrosion

Abstract: A glassmelting apparatus which reduces alkali corrosion comprising: a glassmelting furnace having a plurality of walls, a crown, a charge end, a batch melting area and a fining area; at least two low momentum oxy-fuel burners located in at least one of the walls of the glassmelting furnace, each burner having at least one gas exit port, the lowest point of each gas exit port of each burner having a vertical position that is raised to a height of about 18 inches to about 36 inches above the surface of the glass; each oxy-fuel burner generating a flame along a path directed towards an opposite vertical wall of the glassmelting furnace; and said interior intersection of said walls and said crown of said glassmelting furnace being located at a height of between about 5.5 feet and 9 feet above the glassmelt surface.

Inventors: Kobayashi; Hisashi (Putnam Valley, NY), Wu; Kuang-Tsai (Yorktown, NY)

Assignee: Praxair Technology, Inc.

International Classification: C03B 5/00 (20060101); C03B 5/235 (20060101); C03B 005/225 (); C03B 005/435 ()

Expiration Date: 07/03/2018