Glass kiln for reducing nitrogen oxides

Abstract

The invention discloses a glass kiln for reducing nitrogen oxides. The glass kiln at least comprises a melting tank (3), the upper space of the melting tank (3) is provided with a partition wall (6), the melting tank (3) is divided into a right half melting tank clarification area (3b) and a left half melting tank shallow area (3a), the bottom surface of the partition wall (6) is separated from the bottom surface of the melting tank and is not immersed in molten glass or is immersed in the molten glass, one side or a plurality of positions of the left half melting tank shallow area (3a) are communicated with a feeding tank (12), and the right half melting tank clarification area (3b) is communicated with a working tank (11), and the melting tank is provided with a plurality of kiln ridges (8) with different heights. The glass kiln is used for reducing the concentration of nitric oxide, the overall structure of the kiln is greatly improved, and the partition wall and an oxygen spraying gun are additionally arranged for heating to assist clarification, homogenization, the control of glass oxidability, so that the whiteness and gloss of glass are improved.

Description

technical field [0001] The invention relates to the technical field of glass production, in particular to a glass furnace for reducing nitrogen oxides. Background technique [0002] At present, the society has higher and higher requirements on environmental quality, the emission standards of industrial furnaces are becoming more and more strict, and the pressure of survival of glass production enterprises is increasing. Whether the environmental protection meets the standards is directly related to the survival of glass enterprises. Therefore, how to make the emission index of the glass furnace reach the national standard without making the production cost too high is the basis for the survival of glass enterprises, and it is also an advantage for enterprises to be competitive. [0003] In the current existing technology, the glass industry currently has two ways to deal with nitrogen oxides: one is to reduce the generation of nitrogen oxides, that is, low-nitrogen combustio...

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Problems solved by technology

[0011] For ordinary white soda-lime silica glass, the current technical difficulty is relatively small or can be overcome by technical means, but there is currently no better solution for high-value-added high-white material and crystal material products. The color requirements of the product are very strict, and this technical measure to reduce nitrogen oxides cannot be overcome. The top international glass furnace technology companies also have no solution in China.

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