Lanzhou New Fine Chemical Products Help Glass Bottle Industry Development

On January 4th, the research project of “Fluid Groove Lubrication Coatings” tackled by Lanzhou Industrial Research Institute passed the expert review. The research of this project has reached the advanced level of domestic similar research, which fills the gap of independent research and development in our province and even the western region. The glass and bottle making industry has been replaced since then. The process has been widely used in bottle-making enterprises, breaking the past situation in which small-scale fine chemical products have always been produced or imported by Sino-US joint ventures.

"Fluid Groove Lubricant Coating" is a fine chemical product for small varieties. Although the amount is small, the added value is high. At present, there are no fewer than 500 large and small glass bottle makers in the country, of which only about 100 are in the glass manufacturing industry in the western region. The annual demand for “fluid channel lubrication coating” is about 5,000 sets. At present, the “floating trough lubricating coating” products used by domestic glass makers are basically produced by Sino-American joint venture “Yantai Enfuo Special Lubricant Co., Ltd.” and a few companies use imported products, but the price expensive. In the market, Sino-American joint venture “Enfoo” flow channel lubrication coating is priced at 150 yuan/500g. The Lanzhou Industrial Research Institute produced a feed trough lubricating coating set of 120 yuan/500 g. Taking the Lanzhou Yellow River Brewery Co., Ltd. as an example, it needs about 100 sets per year. Only “fluid channel lubrication coating” can be saved. With a cost of RMB 3,000, glass bottle makers in the western region can save 150,000 yuan annually. It is understood that the special fine chemical products used in glass bottle production, such as “glass mold lubricant”, “cold end coating” and “fluid channel lubrication coating” developed and produced by Lanzhou Industrial Research Institute, are already in and around our province. Dozens of glass bottle companies in several provinces and regions have been widely used, with good economic and social benefits.

According to reports, the bottle-making machine, widely used in the glass-making industry, is specially equipped with a feed trough that allows high temperature glass gobs to slide smoothly into the metal glass mold. The flow chute is made of metal and is generally made of cast iron or aluminum alloy. In the past, in order to prevent the feed trough from causing the glass liquid to adhere and accelerate the dropping speed of the feed droplet, a lubricated fuel injection system was installed on the flow trough, and surface lubrication was performed by periodically spraying the flow trough with mechanical oil. This method is called the "wet blanking" lubrication process. Due to the large amount of mechanical oil consumed in the production operation and the mechanical oil evaporates or even burns due to high temperature, harmful fumes are formed around the ranks of machines, which both wastes mechanical oil and pollutes the production environment. Therefore, the “wet blanking” lubrication process has been Eliminated by glass bottle makers. Now, the glass trough machine's flow channel adopts a more economical and convenient “dry blanking” lubrication process, which is pre-coated with a lubricant coating on the inner surface of the trough of the convection trough (we call it “fluid channel lubrication coating”. ")) After the coating is cured and then deposited into the machine, the gob of high-temperature glass (approx. 900°C) does not directly contact with the metal surface of the flowing groove, which can significantly speed up the sliding speed of the gob, reducing wrinkles and increasing The smoothness of the surface of the finished bottle wall; the surface coating tank coated with the coating is not required to repeatedly perform the surface oil injection operation, and a “dry blanking” lubrication process is realized. In this way, the operation flow is reduced, the environmental pollution in the production workshop is reduced, and at the same time, a large amount of mechanical oil consumed is also saved. At present, the "dry blanking" process has been adopted by most glass bottle manufacturers.

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