[China Glass Network] 2017-2022 China's glass products industry development prospect analysis and development strategy research report shows that with the improvement of float process and people's gradual improvement of glass quality demand, heavy oil becomes a new glass fuel and soon It has been recognized that heavy oil has been used as the main fuel for glass production in the past forty or fifty years. However, heavy oil is a heavy distillate in crude oil, accounting for up to 50% of glass production costs. As the price of heavy oil goes up, it brings huge cost pressure to the production enterprises. In addition, the exhaust gas burned by heavy oil is discharged into the atmosphere through the chimney, causing serious environmental pollution. The state pays more and more attention to the phenomenon of high energy consumption and high pollution in the glass industry, and has formulated relevant policies such as “Planning Conditions for Flat Glass Industry†and “Twelfth Five-Year Development Plan for Flat Glass Industryâ€.
Analysis of the characteristics of glass fuel
The fuel used in the glass industry should have the characteristics of “high calorific value, low price, sufficient supply and low pollutionâ€:
1, high calorific value. High-temperature melting is an important way to increase production, improve glass quality and reduce unit energy consumption. Therefore, the choice of glass fuel in production enterprises is the first consideration of the melting temperature that glass fuel can provide.
From this we can see that the melting temperature that the fuel can provide not only plays a key role in the production and quality of the glass production line, but also plays a role in reducing energy consumption and reducing pollution.
2, low price. The cost of fuel accounts for a considerable proportion of the cost of glass production. Finding a lower-priced fuel has become another challenge for the glass industry, while ensuring that the heat values ​​it provides are up to standard.
3. Adequate supply. In the "Platform Glass Industry Access Conditions", the kiln age required for new or modified furnaces must be more than 8 years. Since the glass production line is ignited, it must be produced 24 hours a day. If fuel changes are made during this period, it will be necessary to stop production and cold repair will cause huge economic losses. Therefore, for the glass industry, it is not only concerned about the current, but also the future.
4. Reduce energy consumption and reduce pollution. The glass industry is a high-energy, high-pollution industry, so it is also known as the “sunset industry†in the West. China's "Platform Glass Industry Access Conditions" is clearly defined: strict implementation of industry access conditions, pollutant discharge standards and elimination of backward production capacity plans. Establish an energy measurement management system, carry out energy management system certification and energy efficiency benchmarking, and implement energy-saving renovation for non-standard enterprises. Promote advanced energy-saving and emission reduction technologies such as total oxygen combustion, flue gas desulfurization and denitrification, waste heat power generation, and variable frequency speed regulation, and improve the comprehensive level of energy conservation and emission reduction. Implement technological transformation, promote clean production, and build demonstration projects for sulfur dioxide and nitrogen oxide emission reduction. According to the requirements of the regulations, enterprises have certain requirements for the heat production rate, sulfur, nitrogen and other indicators in the fuel.
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