The molding-filling-sealing equipment used for aseptic processing is manufactured using flexible packaging materials and can be sterilized around the packaging. Forming, filling and sealing of tubular packagings are carried out under overpressure generated by sterile air, and can produce 8 tubular packagings per cycle, with a production capacity of approximately 20,000/hour.
The packaging material is a flexible multi-layer composite film output from the drum. Through a special cutting process, the multilayer composite film is divided into four. The film is only cut to the position of the sealing layer, but it is still a short film (less than 3 mm). connected together. In the immersion tank, the membrane material is sterilized around the perimeter and then sent to a sterile room. Under aseptic conditions, special packaging shoulders are used for each packaging material to form four double 3-sided tubular packaging bags.
When the film material runs to the forming shoulder, the precut multi-layer film material is further divided into four individual pieces, which can then be sealed longitudinally. Formed and completed longitudinally sealed tubing, leaving the sterile tubing through a gate. At this point, the bag is filled with aseptic product under aseptic conditions. Outside the sterile pipe, the transfer of packaging material is accomplished through a device that incorporates unloading, lateral sealing, and lateral cutting. In the transverse sealing process, the top seal seals the filled package. At the same time, the machine seals the bottom of the tube package. Finally, the complete tube package product is separated from the remaining packaging film. As for the longitudinal separation process of the double bag product, it is performed outside the sterile zone between the sterile pipe gate and the discharge device.
The packaging technology is mainly designed for convenience foods (puddings and snack foods) and dairy products (preparation of desserts and white cheeses, etc.). Aseptic packaging can provide a longer shelf life while protecting high quality products.
The packaging material is a flexible multi-layer composite film output from the drum. Through a special cutting process, the multilayer composite film is divided into four. The film is only cut to the position of the sealing layer, but it is still a short film (less than 3 mm). connected together. In the immersion tank, the membrane material is sterilized around the perimeter and then sent to a sterile room. Under aseptic conditions, special packaging shoulders are used for each packaging material to form four double 3-sided tubular packaging bags.
When the film material runs to the forming shoulder, the precut multi-layer film material is further divided into four individual pieces, which can then be sealed longitudinally. Formed and completed longitudinally sealed tubing, leaving the sterile tubing through a gate. At this point, the bag is filled with aseptic product under aseptic conditions. Outside the sterile pipe, the transfer of packaging material is accomplished through a device that incorporates unloading, lateral sealing, and lateral cutting. In the transverse sealing process, the top seal seals the filled package. At the same time, the machine seals the bottom of the tube package. Finally, the complete tube package product is separated from the remaining packaging film. As for the longitudinal separation process of the double bag product, it is performed outside the sterile zone between the sterile pipe gate and the discharge device.
The packaging technology is mainly designed for convenience foods (puddings and snack foods) and dairy products (preparation of desserts and white cheeses, etc.). Aseptic packaging can provide a longer shelf life while protecting high quality products.
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