Process flow of glass bottle

The glass bottle production process mainly includes:

　　①The raw materials are pre-processed, the massive raw materials (quartz sand, soda ash, limestone, feldspar, etc.) are broken, the wet raw materials are dried, and the iron-containing raw materials are processed for iron removal to ensure the quality of the glass;

　　②Batch preparation;

　　③Melting, glass bottle China's traditional beverage packaging container, glass is also a kind of packaging material with a long history. With many packaging materials pouring into the market, glass containers still occupy an important position in beverage packaging, which is inseparable from its packaging characteristics that other packaging materials cannot replace. The glass batch material is heated at a high temperature (1550~1600 degrees) in a pool furnace or a pool furnace to form a uniform, bubble-free liquid glass that meets the molding requirements;

　　④Forming, putting liquid glass into a mold to make glass products of the required shape, such as flat plates, various utensils, etc.;

　　⑤ Heat treatment, through annealing, quenching and other processes, cleans up or produces internal stress, phase separation or crystallization of the glass material, and changes the structural state of the glass.