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At present, the world packaging industry competition is very fierce, paper containers, plastic bottles, glass bottles, aluminum cans and so fully display a variety of means to seize the packaging market.
Glass packaging industry in order to be in a favorable position in the competition, has been committed to High-tech, low-cost direction of development. Glass packaging industry in order to compete with new packaging materials such as paper containers and plastic bottles, manufacturers of glass jars in developed countries have been working to make products more reliable, more beautiful, cheaper and cheaper.
In order to achieve these goals, the development trend of foreign glass packaging industry mainly in the following areas: The use of advanced energy-saving technology: energy conservation, improve melting quality, extend the furnace to save energy is another way to increase the amount of broken glass, foreign glass to join the amount reached 60%-70%.
The ideal is to use 100% of broken glass, to achieve the "ecological" glass production goals. Bottle can be lightweight: in Europe, America, Japan and other developed countries, light Shi Ping has been the leading product of glass jars. German Obedand Company production of glass jars, 80% is a lightweight disposable bottle. The precise control of raw materials, the precision control of the whole process of melting, the small mouth pressure blowing technology (NNPB), the hot and cold end spraying of bottle cans and the on-line inspection are the basic guarantee for the realization of the light weight of bottle cans.
A number of countries are developing new bottle surface enhancement techniques to try to reduce the weight of bottle cans further. Increasing labor productivity: the key to improving the productivity of glass bottles is how to improve the molding speed of glass bottles. At present, developed countries generally adopt the method is to select a number of groups, many drops of the molding machine.
High-speed molding machine matching the large kiln, must have a large number of stable supply of high-quality glass liquid, the drop temperature and viscosity to meet the requirements of the best molding conditions. Therefore, the raw material ingredient must be very stable, the developed country glass bottle production enterprise uses the refined standard raw material mostly by the specialized raw material production enterprise to provide.
The numerical control system is adopted to realize the optimal control of the furnace thermal parameters to ensure the melting quality. Improve production concentration: In order to adapt to the glass packaging industry faced with the challenges of other new packaging products caused by the severe competition situation, a large number of glass packaging production enterprises began to merge and reorganize, improve the concentration of glass container industry, in order to optimize the allocation of resources, improve scale, reduce disorderly competition, enhance development This has become the current world glass packaging industry trend.