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Energy Saving In The Float Glass Production Process

Date:2016-01-12 11:13 From:Zhengzhou Sunrise Refractory Author:admin
Glass industry is a high energy consumption industry, and glass melting furnace is the most energy consumption equipment in the glass production line, fuel cost is about 35%~50% of the glass cost. Molten glass consumption of most of our own design of float glass furnace can reach 6500kJ/kg ~ 7500kJ/kg liquid glass, however, the foreign float glass enterprise is only 5800kJ/kg glass liquid, We have a certain gap with the international advanced level.

The thermal efficiency of glass furnace in developed countries is generally 30% to 40%, but the average thermal efficiency of the glass furnace in China is only 25% to 35%. Unreasonable structure design and thermal insulation measures of the melting furnace and low quality grade of refractory materials lead to the distance between China and foreign countries. Secondly, the domestic float glass process operation technology is backward and the management is not perfect that are also the reasons of high energy consumption, poor quality of melting and short service life of the furnace. At present, China has more than 140 float glass production line, glass production capacity increases rapidly, and the market competition is gradually intensified. Heavy oil as the main fuel of the glass furnace, the price continues to go up and the proportion of the cost in glass is growing. So, glass energy reduction has great significance on reducing production costs, improving the market competitiveness of enterprises, reducing environmental pollution and easing the energy shortage and so on.

Glass enterprise's energy conservation is a long-term task, the domestic and foreign technical actively carry out research, such as Optimize the furnace structure design, oxygen rich combustion, the whole oxygen combustion electric melting, heavy oil emulsification technology, etc. At present, many enterprises have begun to implement energy-saving measures in the production process, and the energy saving measures in the fields of glass production process control are explored.

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