Experimental Investigation of Thermochemical Regeneration Technology for Oxy-Fuel Combustion Glass Furnace

Abstract

Abstract: Compared with traditional oxy-fuel combustion technology and air combustion technology, the thermochemical regeneration technology of glass furnace has remarkable energy saving effect and is a cutting-edge and disruptive technology for green and low-carbon development of the future high energy consuming glass industry. The thermochemical regeneration technology of glass furnace was experimentally studied by using atmospheric tube furnace and the effects of different experimental conditions on the thermochemical reforming reaction performance of methane/flue gas were analyzed. The results show that methane/flue gas can spontaneously undergo thermochemical reforming at high temperature without catalyst. When the reforming reaction temperature is lower than 900 ℃, the thermochemical reforming reaction of methane/flue gas does not occur. A reaction temperature of 1 200 ℃ and a reaction time of more than 10 s can ensure the full progress of the reforming reaction. The increase of methane and CO₂ content in the reforming reaction gas is conducive to the increase of hydrogen and carbon monoxide yields in the synthesis gas, respectively.

Key words: thermochemical regeneration technology, oxy-fuel combustion glass furnace, methane/flue gas reforming, reaction temperature, reaction time, energy saving and emission reduction

CLC Number:

TQ171.62

ZENG Hongjie, ZHOU Wencai, GUAN Min, SHEN Zhongjie, CHEN Shuyong, LI Hongqiang, QI Shuai, ZUO Zefang. Experimental Investigation of Thermochemical Regeneration Technology for Oxy-Fuel Combustion Glass Furnace[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(12): 4509-4517.

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