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Reviewing the development of China's glass industry, China's glass industry has made great breakthroughs and progress in process technology, equipment level, production capacity, product quality, etc., and strongly supported industrial and civil construction, decoration and transportation, and transportation. Rapid development of related industries such as trains, ships, solar energy, and information industries. Especially in recent years, China's glass industry has implemented energy conservation and emission reduction in the whole process of production, especially the successful expansion of the glass furnace. The average daily melting capacity of the national float glass production line has exceeded 500t/d.
In addition, China's glass industry has completed the transformation of the flat glass forming process while improving product quality and output, and has transformed the drawing process into a float process, which has greatly reduced energy consumption and soot emissions.
Analysis of the status quo of the glass industry At present, the basic situation of China's glass industry is summarized as follows:
Capacity distribution of float glass area in 2009—According to preliminary statistics, about 210 float glass production lines have been put into operation nationwide, with an average daily melting capacity of about 510t/d.
The production line with Chinese float glass technology, technical equipment and physical quality have reached the international advanced level - through the weighing of raw materials, melting furnace, tin bath, annealing kiln three thermal equipment and automatic control system software A series of scientific and technological research, and then systematic integration and engineering transformation of various key technologies, formed a new generation of Chinese float glass technology with independent intellectual property rights and fully reached the international advanced level.
China's flat glass technology has formed a certain international competitiveness--the first float glass production line with a melting capacity of 300t/d was built in Indonesia in the 1990s, which pioneered the export of Chinese float technology and complete sets of equipment. Subsequently, China successively exported complete sets of technology and equipment to Indonesia, India, Iran, Bangladesh, Vietnam and North Korea, and put into operation 10 float glass production lines. The largest export scale is 900t/d, and there are currently 10 production lines under construction. . The construction of these float glass production lines has been carried out in accordance with the international engineering general contracting model, which has achieved great success and effectively promoted the further development of Chinese float glass technology and equipment to the world.
China's glass industry has gradually shaken off the impact of the global financial crisis. The global financial crisis sweeping the world has caused a big impact on China's glass industry in the second half of 2008, but it has been driven by the country's series of policies to expand domestic demand, since the second quarter of 2009. China's glass industry has gradually shaken off the impact of the global financial crisis, and prices have steadily rebounded. At present, the glass industry is booming in production and sales, and corporate profits have doubled.
Problems in the glass industry—the industrial layout is unreasonable.
There are still some shortcomings in the industrial layout of China's glass. First, when the overall efficiency of the glass industry is good, some regions that have neither resource advantages, energy advantages, and transportation location advantages, nor close to the market consumption terminals, have also built flat panels. The glass production line; second, the overlapping of the layout of large enterprise groups, resulting in fierce competition in the local market; third, the number of production lines in some areas is too concentrated, resulting in more serious environmental pollution.
--- The overall efficiency of the industry fluctuated greatly, and periodic losses caused by overcapacity occurred.
The scope and severity of the impact of the financial crisis on the world economy are unprecedented, and it has directly led to the emergence of staged overcapacity in China's glass industry in the second half of 2008. Since the second quarter of 2009, the glass industry has quickly stepped out of the trough. The significant rebound in prices has not only induced the desire of companies in the industry to expand production, but also has the potential to cause capital from other industries to flow into the glass industry, paving the way for the next phase of overcapacity.
Therefore, under the new situation that the world is vigorously promoting a low-carbon economy and the Chinese government has given new materials, new energy, energy conservation and environmental protection, and information industries as strategic emerging industries, China's glass industry must upgrade its technology and upgrade its products. Combining and realizing strategic transformation through structural adjustment can make a due contribution to the sustainability of the national economy while realizing its own scientific development.
The direction of structural adjustment of the glass industry adheres to independent innovation and provides strong power for structural adjustment of the glass industry. In recent years, China's glass science and technology workers have vigorously carried out independent innovation, and have achieved a number of important independent innovation and scientific and technological achievements, which have laid a solid foundation for the structural adjustment of the glass industry. Foundation. Adhering to independent innovation, we can lead the Chinese glass industry to get rid of low-level redundant construction and price wars, and find the right direction for industrial restructuring.
The use of composite processing technology to develop energy-efficient glass with excellent performance and promote the national strategy of building energy efficiency has achieved early results. Building energy conservation is a comprehensive system engineering, and scientifically and rationally using processed glass with energy-saving, safety and environmental protection characteristics is this One of the most important aspects of system engineering, if this link can not get enough attention and effective implementation, it is difficult to achieve substantial progress in building energy conservation work. China has a vast territory and large climate differences. It has many climatic features such as “three north alpine regionsâ€, “winter cold summer hot regions†and “summer hot winter warm regionsâ€. Therefore, it is necessary to develop and process processed glass products that can adapt to different climatic characteristics. To meet the requirements of building energy efficiency, the implementation of the country's future energy strategy and sustainable economic and social development.
Actively carrying out research and development, innovation, energy conservation and emission reduction of forward-looking and strategic energy-saving emission reduction technologies is not only China's basic national policy, but also a topic of common concern around the world. The development of energy-saving emission reduction technologies and equipment with independent intellectual property rights is to promote China Glass. Industrial structure adjustment, leading the inevitable requirement of China's glass industry to embark on the road of sustainable development.
At present, the self-developed waste heat power generation technology and equipment, flue gas desulfurization technology and equipment, quartz tail sand purification and comprehensive utilization technology have successfully realized the engineering application; the first engineering application project of oxyfuel combustion technology and equipment is about to start. Construction.
Oxygen combustion technology is an important development direction of the glass industry. It is the core technology for energy saving and emission reduction in the future glass industry. The use of oxy-combustion technology can not only simplify the structure of the furnace, save investment in furnaces and plants, save fuel consumption, improve melting quality and The finished glass quality, and can reduce the emission of nitrogen oxides by more than 80%, companies no longer need to invest additional costs for the treatment of nitrogen oxides. Therefore, we must rely on the close cooperation between technology development units and flat glass enterprises, coupled with the guidance and support of national policies, thereby promoting the engineering conversion of all-oxygen combustion and related supporting technologies, and achieving breakthrough progress in energy saving and emission reduction in the flat glass industry.
Looking forward to the future, the strategic measures that should be taken by flat glass industry are: adhere to independent innovation, actively improve and promote all-oxygen combustion technology, effectively reduce oxygen production costs, and implement the batch preheating technology, flue gas desulfurization technology and waste heat power generation technology. Thereby achieving breakthrough progress in energy saving and emission reduction.
Vigorously develop new types of glass and provide basic materials for the emerging strategic industries supported by the state. The country has clearly identified new energy industries, information industries, energy conservation and emission reduction as key new strategic industries, which will surely drive energy-saving glass and solar glass. The rapid expansion of new glass applications such as flat panel displays (LCD, PDP, OLED) glass.
The development of China's glass industry has ushered in the dual opportunities of accelerating urbanization and urbanization, and the country's emerging strategic industries super-normal and sustained growth. It is also facing energy conservation and emission reduction, developing forward-looking technological innovation, researching and developing new products, and realizing industrialization. Breaking the challenges of foreign technology monopoly. As long as we rely on the state's policy advantages of encouraging independent innovation, supporting the development of new strategic industries, and expanding domestic demand, we will seize the market opportunity of expanding new glass applications, increase independent innovation, and continuously develop new types to meet the needs of emerging industries. Glass products will surely accelerate the structural adjustment and upgrading of the glass industry, and usher in the new glory of scientific and healthy development of the glass industry!
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