Recently, large international companies such as American O&I Corporation, Australian ACI Corporation, Hong Kong New World Group and French Saint-Gobain Group have poured into China and established a number of joint ventures or wholly-owned glass bottle manufacturers. These international large-scale glass packaging companies generally adopt advanced energy-saving technologies; they reduce the weight of glass bottles and bottles; they increase labor productivity and increase production concentration.
It is reported that saving energy, improving melting quality and prolonging the service life of kiln are goals that foreign glass packaging industry continues to explore. The oxy-fuel combustion technology that is being promoted in foreign glass packaging industry is the second revolution after regenerative glass furnaces, and can achieve significant effects of low investment, low energy consumption, low NOx and powder emissions. Another way to save energy is to increase the amount of broken glass. The amount of broken glass added abroad reaches 60% to 70%. The ideal is to use 100% broken glass to achieve the goal of 'ecological' glass production.
In developed countries such as Europe, America and Japan, lightweight bottles are the leading products for glass bottles and cans. 80% of glass bottle jars manufactured by Obe-dand in Germany are light weight disposable bottles. Precise control of raw material composition, precise control of the entire process of melting, NNPB, spraying of hot and cold ends of bottles and cans, on-line detection and other advanced technologies are fundamental guarantees for realizing the lightweight of bottles and cans. Some countries are developing new surface enhancement technology for glass jars in an attempt to further reduce the weight of glass jars. The company has applied a thin layer of primary resin to the surface of the glass bottle wall to produce a one-liter concentrated juice bottle of only 295 grams, which can prevent the glass bottle from being scratched, thereby increasing the pressure strength of the bottle by 20%. The popular plastic film sleeve labels are also beneficial to the lightweight of glass bottles and cans.
It is reported that saving energy, improving melting quality and prolonging the service life of kiln are goals that foreign glass packaging industry continues to explore. The oxy-fuel combustion technology that is being promoted in foreign glass packaging industry is the second revolution after regenerative glass furnaces, and can achieve significant effects of low investment, low energy consumption, low NOx and powder emissions. Another way to save energy is to increase the amount of broken glass. The amount of broken glass added abroad reaches 60% to 70%. The ideal is to use 100% broken glass to achieve the goal of 'ecological' glass production.
In developed countries such as Europe, America and Japan, lightweight bottles are the leading products for glass bottles and cans. 80% of glass bottle jars manufactured by Obe-dand in Germany are light weight disposable bottles. Precise control of raw material composition, precise control of the entire process of melting, NNPB, spraying of hot and cold ends of bottles and cans, on-line detection and other advanced technologies are fundamental guarantees for realizing the lightweight of bottles and cans. Some countries are developing new surface enhancement technology for glass jars in an attempt to further reduce the weight of glass jars. The company has applied a thin layer of primary resin to the surface of the glass bottle wall to produce a one-liter concentrated juice bottle of only 295 grams, which can prevent the glass bottle from being scratched, thereby increasing the pressure strength of the bottle by 20%. The popular plastic film sleeve labels are also beneficial to the lightweight of glass bottles and cans.
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