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Furnace for melting glass

A glass melting furnace, oxygen technology, used in glass furnace equipment, glass production, glass manufacturing equipment, etc.

Inactive Publication Date: 2012-07-11
AGC GLASS EUROPE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] However, the production of oxygen presents other problems

Method used

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  • Furnace for melting glass
  • Furnace for melting glass
  • Furnace for melting glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] figure 1 A schematic diagram of the operation of an oxy-fired furnace such as described in application PCT / EP2009 / 053500 is shown.

[0043] The furnace 12 shown is of the type used in high volume glass production facilities, such as those supplied for the production of float glass. It schematically shows 4 burners 13 . In practice, ten burners are required in large furnaces. The schematic shows only half of the elements: burners, lines and exchangers located on a single side of the furnace. These elements are usually arranged on both sides for better energy distribution over the entire bath surface.

[0044] The burner receives fuel on the one hand via duct 14 . On the other hand they also receive hot oxygen from the reheating unit. Taking into account the requirements specific to this technology, the heating of the oxygen is advantageously carried out in two stages.

[0045] This configuration includes smoke from the furnace F recycling. These fumes pass in a r...

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PUM

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Abstract

The present invention relates to a furnace (12) for melting heated glass using burners (13), wherein the combustion energy is at least partially produced by oxy-fuel combustion, and wherein at least a portion of the oxygen used is produced by separation, on a ceramic separation membrane (18), from a gaseous mixture including oxygen.

Description

technical field [0001] The present invention relates to glass melting furnaces in which the melting energy is substantially generated by burners supplied with fuel and oxygen or very oxygen-enriched gas. These furnaces are often referred to as "oxy-combustion" furnaces. The invention also relates to furnaces in which oxy-combustion is used in a supplementary manner (in particular called "boosting") and also to furnaces in which the combustion is carried out substantially, if not exclusively, with oxygen. Background technique [0002] Oxy-combustion saves energy, at least because the energy of the combustion gases is not partially absorbed by the nitrogen in the air. In conventional furnaces, even though some of the energy carried by the nitrogen is recovered in the regenerator, the final exhaust fumes still carry a significant portion of it. The presence of nitrogen is one of the reasons for this loss. [0003] The considered reduction in energy consumption per unit of pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B13/02C03B5/235
CPCC01B13/0255F25J3/0486C03B5/2353C01B2210/0046Y02P20/129Y02P40/50
Inventor F·比奥尔O·杜坎普斯
Owner AGC GLASS EUROPE SA