Food machinery manufacturer

DLZ-320 Continuous Stretch Film Vacuum Packaging Machine

Abstract:

Vacuum packaging machines can be used for vacuum packaging in medium-sized vacuum-inflation packaging machinery. Vacuum packaging involves immediately and automatically sealing the packaging bag after it has been evacuated to a low-vacuum state. Because a high-vacuum environment is created inside the bag, very little residual air remains, effectively inhibiting the proliferation of bacteria and other microorganisms.

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Stretch film vacuum packaging machine

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Product Description

[Overview]

Vacuum packaging machines are suitable for vacuum packaging using medium-sized vacuum-inflation packaging equipment. Vacuum packaging involves evacuating the packaging bag to a low-vacuum state and then immediately sealing it automatically. Because a high-vacuum environment is created inside the bag, very little residual air remains, effectively inhibiting the proliferation of bacteria and other microorganisms. Single-chamber vacuum packaging machines are particularly well-suited for vacuum packaging of meat products, seasonings, soybean products, pharmaceuticals, as well as various powdered, solid, and liquid foods, thereby extending product shelf life and preventing mold, spoilage, and moisture absorption.

As people’s living standards continue to improve, demand for various convenient foods has also risen sharply, further driving the rapid development of China’s food packaging industry. Vacuum packaging machines are one of the fastest-growing types of packaging machinery and boast a promising future for development.

Application

The single-chamber vacuum packaging machine uses plastic composite films or plastic-aluminum foil composite films as packaging materials, enabling vacuum packaging of solid, liquid, powdered, and paste-like foods, fruits, pickled vegetables, candied fruits, chemical products, electronic components, precision instruments, rare metals, and more. After packaging, this process effectively prevents oxidation, mold growth, spoilage, and moisture absorption, thereby preserving product quality and extending shelf life while maintaining the food’s color, aroma, and taste, and further enhancing the product’s storage duration.

[Function]

Some of the air (oxygen) in the packaging container is removed, thereby effectively preventing food spoilage.

2. By using packaging materials with excellent barrier (airtight) properties and strictly adhering to sealing techniques and requirements, we can effectively prevent gas exchange between packaging materials, thereby avoiding weight loss and flavor degradation of the food while also eliminating secondary contamination.

3. The gas inside the vacuum-packaged container has been removed, which helps accelerate heat transfer, thereby improving the efficiency of thermal sterilization and simultaneously preventing the issue of gas expansion during heating and sterilization.

In the food industry, vacuum packaging is widely used for a variety of cooked food products, such as chicken legs, ham, sausages, and other similar items. It is also increasingly being adopted for preserved foods—including pickled vegetables, soybean products, and candied fruits—that require long-term freshness. After vacuum packaging, the shelf life of these foods is significantly extended, greatly enhancing their marketability and longevity on store shelves.

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