Integrated application of sterilization technology in beverage canning process

Aseptic processing of beverages and foods, so that the beverages do not rise in the warranty period, no deterioration, provide consumers with safe and reliable products, is also the social responsibility of beverage manufacturers. Due to the fierce competition in the domestic beverage industry, most beverage manufacturers pay more attention to the sales terminal competition. The relative investment in quality and safety is insufficient, resulting in the occasional occurrence of excessive or unstable colony, and the shortening of the warranty period. The chaos of the headache.

In fact, to ensure the quality and safety of beverages and foods, as long as the two sterilization technologies or two companies can be studied.

One is Sweden Tetra Pak, one of the leaders in the field of liquid food packaging, which has been committed to providing customers with a complete line of solutions from pre-treatment to filling to final product packaging. Packaging technology. In the specific product production process, an innovation in ultra-high temperature sterilization, a key process in the aseptic production of liquid foods, can help companies improve efficiency and reduce production costs.

The other is Shanghai Kangjiu Disinfection Co., a pioneer in dynamic disinfection technology. The company has been committed to providing customers with a comprehensive, full-process environmental sterilization solution. In the specific product production process, we will provide professional dynamic sterilization technology and equipment to effectively reduce secondary pollution and secondary cross infection by aligning with key production areas or processes such as clean and dressing areas, clean tank areas, raw water, CIP cleaning. To effectively improve food safety.

The difference between the above two companies is: just inside and outside the liquid food safety production, Sweden Tetra Pak specializes in the rapid production of aseptic packaging materials in aseptic filling equipment; Shanghai Kangjiu Company focuses on the external production environment, operators Dynamic sterilization of filling equipment to prevent external pollution and secondary cross-infection of inherent packaging materials and filling equipment. The complete combination of the technologies of the above two companies forms a systematic aseptic production solution. The following, combined with the sterilization technology of the two companies to analyze:

Swedish Tetra Pak's UHT solutions can be divided into two broad categories. The first is the direct heating type of ultra-high temperature, that is, the steam is directly mixed with the product to instantly raise the temperature to the required sterilization temperature. The other type is called indirect heating type ultra-high temperature, which is the most widely used treatment method in sterilizer. Indirect ultra-high temperature systems use a variety of different types of heat exchangers, such as plate, tube, and the latest coil type, to meet the application needs of different products.

If indirect and direct UHT sterilization is compared, it can be found that the advantage of indirect heating UHT is efficient heat recovery. In this way, the lowest energy consumption and overall operating cost can be achieved. Directly heated ultra-high temperature sterilization can reduce the thermal load of the product and reduce the chemical reaction of the product during the heating process. It is a good processing method for some products with high heat sensitivity and easy coking, but its The disadvantage is that the energy consumption is relatively high in steam consumption. In addition to indirect and direct ultra-high temperatures, Tetra Pak also introduces the latest Tetra Vertico ultra-high temperature sterilization equipment that can handle almost all types of products.

Ultra-high temperature processing combines the optimum temperature time during liquid food processing to bring the product to a sterile state and then deliver it to the filling machine for aseptic packaging. For example, the raw materials of the products are more or less all kinds of fungi, and most of them can be killed by general heat treatment. However, among these fungi, one of the fungi called spores is very tenacious, especially heat-resistant spores, and it is usually necessary to use ultra-high temperature sterilization to kill. In the ultra-high temperature sterilization process, the sterilization effect must first be ensured, but in the heating process of the product, a chemical reaction often occurs, so the sterility of the product should be considered, and the chemical change caused by the heat should be avoided as much as possible. Changes in flavor or odor, thereby reducing the negative impact on the product itself.

The UHT production process is mainly divided into three steps. The first is pre-sterilization, allowing the production equipment to be sterile. Next, the production operation, the product will continue to enter the ultra-high temperature sterilizer, through the heating, sterilization to achieve the product aseptic state; then transported to the filling machine, and finally into the package. After the end of the production, the sterilizer needs to be cleaned. In a complete production cycle, Tetra Pak uses various configurations and various methods to extend the overall production run time, including controlling the coking of the product, reducing the energy consumption and reducing the production. Product loss, etc.

An important function of Tetra Pak's ultra-high temperature sterilization equipment is aseptic dormancy. During the operation of the sterilizer, when the upstream and downstream equipment is abnormal, it can be switched into a sterile dormant state, and the operating flow is reduced by the sterile water circulation to maintain the sterility of the entire device. Sterile water can be formulated with Tetra Pak, or with AORODO's dual-core ozone water technology, which is more cost-effective. Wait until the upstream and downstream equipment is removed and put it back into production. This can effectively avoid the process of re-sterilization, heating and cleaning after shutdown, greatly saving production costs, and saving 75% for steam, water and electricity. For semi-flow or lower flow operation, Tetra Pak also configures the form of segment heating to reduce the thermal load of the product and ensure product quality.

The filling workshop of beverages belongs to the clean area. The cleanliness is generally between 1000 and 100,000. The whole workshop is uniform and positive pressure air supply, and the purification and air supply facilities of many beverage manufacturers are imported from abroad. Shanghai Kangjiu Company used its own dynamic disinfection technology to make up for a design loophole. That is, the purification company used ozone, ultraviolet and other sterilization measures in the design, but unfortunately ignored the design details that the ozone could not be used at work and the ultraviolet sterilization effect was unstable; When the purification system is working, it is equipped with a dynamic sterilization system. The bacteria-containing air is sterilized once every time it is cycled, so that the controlled environment is always controlled in the online sterilization state, effectively avoiding the secondary pollution of the bacteria-containing air.

In the CIP five-step disinfection process carried out on the floor of the production workshop and the inside of the filling equipment, a large amount of disinfectant such as trisodium phosphate, sodium hydroxide and orthosilicate is used, and a sufficient amount of disinfection is required after the disinfection is completed. Rinse the water until the wash solution is completely removed, wasting a lot of disinfection time and waste of water resources. Shanghai Kangjiu's AORODO dual-core ozone water technology can not only replace many chemical disinfectants, but also cost less, without any secondary pollution, and no need for secondary flushing of water during the disinfection process, saving 65% of water resources. The CIP rinsed water can be reused again without any chemicals in the water.

For the hand disinfection of personnel, Shanghai Kangjiu has a complete disinfection program. Because food safety is the ultimate commitment to every customer, in order to ensure 100% quality and safety, we hope that through the integrated application of sterilization technology, through continuous technological innovation, the beverage food is safer and more sanitary.

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