Karl H Lange

US Patent:

39531902, Apr 27, 1976

Filed:

Jul 28, 1975

Appl. No.:

5/599440

Inventors:

Karl H. Lange - Allison Park PA

Assignee:

Pullman Incorporated - Chicago IL

International Classification:

C03B 516

US Classification:

65335

Abstract:

A glass making furnace having a preheater and recycling structure including a tubular housing having a lower gas receiving stack section, a top in the form of an inverted cone, a glass batch pellet containing intermediate section, having a lower portion over the cone and about the intermediate section, gas ports in the side of the cone, shield means over the ports, a discharge valve in the lower portion below the cone part, a hot gas stack extending over the upper portion of the pellet section, a fan or hot gas ejector at the top of the stack, a damper above the fan or hot gas ejector connecting with a pressure controller within the furnace for maintaining the pressure in the furnace slightly above atmospheric, an inlet valve outwardly of the upper portion of the pellet section to control the entrance of the pellets, a regenerator on each side of the melting section and port and burner means communicating with each regenerator, a reversing valve connected with the regenerators and the melting section, and a portion of the reversing valve connected with the cooler outside air and the regenerator being fired.

US Patent:

RE296228, May 2, 1978

Filed:

Feb 28, 1977

Appl. No.:

5/772610

Inventors:

Karl H. Lange - Allison Park PA

Assignee:

Pullman Incorporated - Chicago IL

International Classification:

C03B 516

US Classification:

65 27

Abstract:

A glass making furnace having a preheater and recycling structure including a tubular housing having a lower gas receiving stack section, a top in the form of an inverted cone, a glass batch pellet containing intermediate section, having a lower portion over the cone and about the intermediate section, gas ports in the side of the cone, shield means over the ports, a discharge valve in the lower portion below the cone part, a hot gas stack extending over the upper portion of the pellet section, a fan or hot gas ejector at the top of the stack, a damper above the fan or hot gas ejector connecting with a pressure controller within the furnace for maintaining the pressure in the furnace slightly above atmospheric, an inlet valve outwardly of the upper portion of the pellet section to control the entrance of the pellets, a regenerator on each side of the melting section and port and burner means communicating with each regenerator, a reversing valve connected with the regenerators and the melting section, and a portion of the reversing valve connected with the cooler outside air and the regenerator being fired.