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The importance of sterilization and sterilization of beverage machinery equipment have?

by:Xinmao     2021-05-18
It is well known in the beverage processing, sterilization is a very important link. Beverage sterilization with medical and biological sterilization have certain difference. Beverage sterilization has two meanings: one is asked to kill pathogens, corruption, pollution in destroys enzymes in the food and beverage in the specific environment, such as airtight bottle inside, tank, or other packaging container, have certain storage life; 2 it is to require protection drink as much as possible in the process of sterilization in nutrients and flavour. So, after sterilization beverage belongs to the commercial asepsis. Beverage sterilization methods include physical disinfection and chemical disinfection two kinds big. Chemical make use of hydrogen peroxide sterilization, ethylene oxide, sodium hypochlorite disinfectant, etc. As a result of chemical sterilization, such as chemical residues, contemporary food sterilization method tends to physical sterilization method. Physical sterilization method is divided into heat sterilization method and the cold sterilization method. Heat sterilization method is divided into is heat sterilization method, dry heat sterilization method, microwave sterilization method and the far infrared ray heat sterilization method. Cold sterilization method is divided into ultraviolet radiation sterilization method, ionizing radiation sterilization method and freezing sterilization method. In the wet and heat sterilization method, pasteurization, high temperature short time sterilization method and instantaneous ultra high temperature sterilization. The so-called pasteurized ( 巴氏灭菌) Sterilization method is low temperatures over long periods of time, the sterilization temperature below 100 ℃, holding time is 30 min. High temperature short time sterilization method ( HTST) , usually in the sterilization temperature of 100 ℃, such as milk HTST sterilization temperature is 85 ℃, keep more than 15 s. Instantaneous ultra high temperature sterilization ( UHT) , the sterilization temperature above 120 ℃, keep only a few seconds. HTST and UHT sterilization method, not only high efficiency, and the structure and appearance of the food and nutrition and flavor preservation were compared with other sterilization methods. Developed according to the sterilization method and corresponding beverage sterilization equipment sort is more, in order to be processed material shape classification respectively has the following three kinds: 1, canned beverage sterilization equipment, canned drinks and bottled drinks such as a packaging container of beverage, sterilization equipment for handling such materials according to the sterilization temperature can be divided into different atmospheric pressure sterilization equipment and pressure sterilization equipment. Atmospheric pressure sterilization equipment sterilization temperature is below 100 ℃, for pH value is less than 4. Five drinks products sterilization. Use canned pasteurized principle design of sterilization equipment category. Pressure sterilization equipment generally conducted in airtight device, the pressure is greater than zero. 1 mpa, commonly used temperature about 120 ℃. Atmospheric pressure and pressure sterilization equipment can be divided into intermittent and continuous in operation. According to the sterilization equipment can be divided into different heat source and direct steam heating sterilization equipment, water heating sterilization equipment, fire continuous sterilization machine, etc. 2, fluid beverage sterilization equipment, fluid without packaging of milk, fruit juice drinks, etc materials. To deal with this kind of material of sterilization equipment and has a direct or indirect. Direct type sterilization is tidy spray directly into the material. Indirect use plate, pipe heat changer for drinks heat sterilization. 3, the use of electromagnetic wave physical sterilization equipment sterilization equipment for this class is to use the physics such as microwave, infrared, ultraviolet radiation for heating sterilization, sterilization equipment is a kind of future development.
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