Many people have seen molded glass bottles, but have not seen how glass bottles are made. Glass bottle production process mainly includes.
Raw material pre-processing. The lumpy raw materials (quartz sand, soda ash, limestone, feldspar, etc.) will be crushed, so that the wet raw materials are dry, and the iron-containing raw materials will be de-ironed to ensure the quality of glass.
Compound preparation.
Melting. Glass with materials in the pool kiln or pool furnace for high temperature (1550 ~ 1600 degrees) heating, so that the formation of uniform, bubble-free, and meet the requirements of forming liquid glass.
Forming. The liquid glass into the mold into the required shape of glass products, such as flat panels, a variety of vessels, etc.
Heat treatment. Through annealing, quenching and other processes to eliminate or produce the internal stress, phasing or crystallization of the glass, as well as change the structural state of the glass.
Thus the complete glass bottle comes out
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