Although the development of PET aseptic cold filling time is not lengthy, but the world-known manufacturer of beverages and brewing equipment, has a far more mature aseptic cold filling method. Comparison of the filling procedure.
The standard hot filling can be divided into two varieties of high temperature hot filling, 1 is the temperature soon after the product filling temperature to 65 ~ 75 for pasteurization. These two strategies do not require the product, sterilizing bottles and lids separately, just the item at high temperature could be maintained long sufficient to be on the bottle and cap sterilization. Aseptic cold filling very first need the item, bottles, lids were sterilized just before filling sterile conditions, until completely sealed to leave the sterile environment. Â From the flow chart of comparison between the two terms, the biggest difference is that beverages heat are distinct. As we all know, the longer the heat treatment, quality and taste of the drink the greater the effect. Aseptic cold filling with UHT ultra high temperature sterilization, heat treatment of supplies less than 30 seconds, and under high temperature sterilization effect can be fully guaranteed, even though the hot filling approach utilized in the sterilization of materials under high temperature in a long time seriously affect item taste, color and heat-sensitive nutrients (eg vitamin) content. Furthermore, the production line configuration from the point of view, when the filling machine failure downtime elbow, by hot filling supplies handled there – some heat will be extended back to the time, this will seriously have an effect on the whole batch of item high quality, and Aseptic cold filling won’t have this phenomenon, the material has been sterilized right after the temperature down, put sterile tank won’t impact its top quality. PET bottles utilized for comparison. From the above process might be seen filling the two techniques on PET bottle filling requirements are various. PET bottle hot-fill method requirements to withstand 85 ~ 92 high temperature and change, which calls for growing the crystallinity of PET material, whilst blowing induced tension when the production limit. The use of PET bottles have the following characteristics: bottle thickness, sidewall ribs to avoid clear heat shrinkable; calls for such crystal bottle, bottle design significantly limits the degree of freedom. Aseptic cold filling it is possible to use lightweight bottles (maximum heat temperature 60 ) and regular cap, thereby significantly lowering the cost of the bottle and also the lid can also be a free choice design bottle. Aseptic cold filling technologies characteristics Hot filling method, the drinks stay a lengthy time at high temperatures – will be like to kill bacteria and microorganisms, and also add preservatives, such beverages security higher. So, aseptic cold filling is to ensure that drinks of this? Most crucial factor is to establish and protect the sterile environment. Compared with the hot filling, aseptic cold filling material sterilization is used on ultra high temperature UHT sterilization, material heating time is brief, very small nutrient loss, top quality and taste has not changed substantially. The most recent aseptic cold filling method can be carried out with the cold chain of production of pasteurized, so the nutritional content of the material losses caused by lower, and within the cold chain conditions, product safety might be guaranteed. Packaging sterilization, aseptic cold filling technology is the most crucial step. Because the non-heat-resistant PET material, may be sterilized making use of chemical reagents, bottles and caps to guarantee efficient sterilization, and do not permit chemicals impact the material, aseptic filling has taken the following measures: initial blow requests bottle method does not exceed the original colonies 5cf / bottle; transport bottles with sterile air, to have the air conveyor; bottles with peracetic acid disinfectant inside (PAA) for sterilization, disinfection might be achieved extremely high (up 7log) ; although externally disinfectant bottle sterilization; disinfectant with automatic recovery and concentration measurement method to make certain the stability of disinfectant concentration; bottle with sterile water to rinse the residual disinfectant, and then sterile air dry, to ensure Residual disinfectant won’t affect the material; caps commonly used disinfectant immersion sterilization, by controlling the soaking time can be a extremely good effect to make certain sterilization. Aseptic cold filling of the main equipment requirements meet the health-level design, mainly inside the pipeline and valve technology, the polishing surface, an crucial area of surface design, selection of corrosion-resistant material has several benefits also having a total automatic cleaning (CIP) systems, sterilization (SIP) systems and equipment outside the bubble washing system (COP), Additionally, the aseptic cold filling machine is developed to have its own special aseptic filling valve, all of these measures guarantee that equipment will not the second time pollution. As cold filling PET bottles will not shrink soon after, so there will likely be between the material and the cap – component of the air, where oxygen in the oxide material deposited throughout the slow, resulting in or drink. Consequently, the aseptic cold filling equipment will add a nitrogen (or other inert gas) replacement system, the air blown off the leading to make sure that supplies are not oxidized. Sterile space environment to maintain the general use of quarantine measures for clean rooms. D100 primary filling machine designed to level air purification, the outside you’ll find 10 000 clean rooms (some of aseptic filling equipment is not needed), by way of the clean room filtration program to ensure cleanliness of air filling the environment, to ensure that material will not be airborne microbial secondary pollution. Can not for neutral hot filling beverage production procedure, as a result of manner of its use of inverted bottle cap for sterilization, high-acid drinks can also inhibit microbial growth, while neutral beverages can not guarantee product safety product defect rate is high. If the production of neutral with hot tea beverage filling procedure, we ought to add preservatives. For aseptic cold filling, because it’s filling under sterile conditions, the method to adapt ashamed Gen, and it can create a wide range of item kinds, including neutral tea drinks, milk drinks as well as other beverages, just on the adjusted pre-processing equipment can change the sort of item. Operator aspects within the environment system, the operator is the largest source of pollution, designing air purification air purifying room at the very same time, well the pollution caused by decreased personnel; operators enter 10000 class clean rooms, make soon after spray disinfection; 100 clean room design small and practical, the operator can not destroy the sterile environment of operation; purification equipment, automatic inner surface can be cleaned and disinfected. Management factors. Aseptic cold filling beverage highly technical, demands a high level of technical staff and management of high-quality unified management, are typically applied HACCP management method. All management systems need to be documented, and specialists responsible for the implementation. Only do standardized management; can really guarantee that no
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