About double chamber vacuum packaging machine

Composition structure:

The dual chamber vacuum packaging machine consists of a color touch screen, a vacuum system, a temperature control system, a cooling system, and an inflation system. The food vacuum packaging machine's PLC, control system, photoelectric switch and other electrical equipment use world brand components, such as Japan "OMEON", Taiwan "MCN", France "TE", etc., mechanical technology design introduces Japanese technology, reasonable design, coordinated action, High reliability, strong stability, small food vacuum packaging machine at reasonable prices, programmable control (PLC), color screen touch operation, servo motor operation not only meets the requirements of preservation, but also can save for a long time, electronic vacuum packaging machine By filling with an inert gas such as nitrogen, it can achieve better corrosion protection, moisture resistance, oxidation resistance and other quality assurance effects.

Product Series:

Vacuum packaging machine, baler, strapping machine, sealing machine, bagging machine, carton forming machine, packing machine, winding machine, labeling machine, stacking machine, and designing various conveying lines; simultaneously producing and selling packing belts , stretch film and other packaging materials, products are exported to more than 50 countries and regions. The company has branches in Beijing, Shanghai, Beijing, Shanghai, Suzhou, Xiamen, Hefei, Guangzhou, Wuhan, Qingdao, Kunming and Chongqing. The company utilizes its good geographical environment advantages, exerts its strong production technology capabilities, adheres to the business philosophy of "professional, quality, service and integrity", and is committed to the development of finished packaging machinery business, focusing on the planning and design of the downstream automated packaging process. Coordination of product materials.

Uses and features:

Uses and features: Single chamber vacuum packaging machine is a small packaging machine for vacuum packaging. The machine has the advantages of superior functions, convenient maintenance, easy operation and wide application. Applicable to flexible packaging materials such as plastic composite thin wax or plastic aluminum foil bags and anti-static bags. Vacuum packaging of solid, liquid, powdery, paste-like electronic products, circuit boards, SMT patch trays, toys, tea, food, fruit, chemical products, electronic components, precision instruments and the like. The packaged product can prevent oxidation, mildew, decay, moisture, vibration, and can maintain the shelf life of the product.

The vacuum machine uses plastic composite film or plastic aluminum foil composite film as packaging material for various instruments and medicines, food, fruit, pickles, preserved fruits, aquatic products, native products, chemical raw materials, electronic components and supplies. It can effectively prevent the decay and deterioration of the products caused by the oxidation of lipids and aerobic bacteria, and achieve the shelf life of the functions of quality preservation, preservation, taste preservation and color retention. At the same time, some soft articles are vacuum-packed. Reduce the packaging volume for easy transportation and storage.

vacuum:

A vacuum chamber is closed, the vacuum pump works, the vacuum chamber starts to vacuum, the vacuum inside the packaging bag, the vacuum gauge pointer rises, reaches the rated vacuum (controlled by the time relay ISJ), the vacuum pump stops working, and the vacuum stops. While working under vacuum, the two-position three-way solenoid valve IDT works, heat seals the chamber vacuum, and the hot press holder remains in place.

Heat seal:

IDT is broken, the outside atmosphere enters the heat-sealed air chamber through the upper air inlet hole, and the pressure difference between the vacuum chamber and the heat-sealed air chamber is utilized, and the heat-sealed air chamber is inflated and expanded, so that the upper heat pressing frame is moved down, and the bag is pressed. At the same time, the transformer is heat-sealed and begins to seal; at the same time, the time relay 2SJ works, after a few seconds, the heat seal ends.

Back to gas:

The two-position two-way solenoid valve 2DT is open, the atmosphere enters the vacuum chamber, the vacuum gauge pointer returns to zero, the hot press frame is reset by the return spring, and the vacuum chamber is opened.

cycle:

Move the upper vacuum chamber to another vacuum chamber, that is, enter the next working process, and the left and right chambers alternately work and circulate.

Vacuum packaging machine use and maintenance

Preservation principle:

The main function of vacuum packaging is to remove oxygen, which is beneficial to prevent food spoilage. The principle is also relatively simple. Because the deterioration of food mold is mainly caused by the activity of microorganisms, the survival of most microorganisms requires oxygen, and vacuum packaging is the application. This principle removes oxygen from the inside of the package and the food cells, causing the microorganisms to lose the "environment of survival." Vacuum packaging can not inhibit the deterioration and discoloration of food caused by anaerobic bacteria and enzyme reaction, so it needs to be combined with other auxiliary methods, such as refrigeration, quick freezing, dehydration, high temperature sterilization, irradiation sterilization, microwave sterilization, salting, etc. .

In addition to inhibiting the growth and reproduction of microorganisms, vacuum deoxidation is another important function to prevent oxidation of foods. Oils and fats contain a large amount of unsaturated fatty acids, which are oxidized by the action of oxygen to make foods taste and deteriorate. In addition, oxidation also causes loss of vitamin A and vitamin C, and unstable substances in the food coloring matter are subjected to oxygen to darken the color. Therefore, oxygen scavenging can effectively prevent food from spoiling and maintain its color, aroma, taste and nutritional value. The same effect can be achieved by a small vacuum packaging machine as long as it can achieve a certain degree of vacuum.

In addition to oxygen removal, vacuum packaging also has an inflating link. The main function of vacuum air-packing is not only the Anti-oxidation and quality-preserving functions of vacuum packaging, but also the functions of anti-pressure, gas-blocking and fresh-keeping. It can effectively maintain the original color, fragrance, taste and shape of food for a long time. Nutritional value. In addition, there are many foods that are not suitable for vacuum packaging, but must be vacuum-filled. Such as crispy and fragile food, easy to agglomerate food, easy to deform oily food, food with sharp edges or high hardness will pierce the bag. After the food is vacuum-inflated and packaged by the food vacuum packaging machine, the inflation pressure in the packaging bag is stronger than the atmospheric pressure outside the packaging bag, which can effectively prevent the food from being crushed and deformed without affecting the appearance and printing decoration of the packaging bag.

The vacuum aerated package is filled with a mixture of nitrogen, carbon dioxide, oxygen, or a mixture of two or three gases under vacuum. Nitrogen is an inert gas that acts as a filling to maintain a positive pressure inside the bag to prevent air outside the bag from entering the bag and to protect the food. Carbon oxide gas can be dissolved in various fats or water to form weakly acidic carbonic acid, and has the activity of inhibiting microorganisms such as mold and decay bacteria. Oxygen inhibits the growth and reproduction of anaerobic bacteria, keeps the freshness and color of fruits and vegetables, and high-concentration oxygen keeps fresh meats bright red.

Features:

1. Exclude part of the air (oxygen) in the packaging container, which can effectively prevent food from rot and deterioration.

2, the use of barrier (airtight) excellent packaging materials and strict sealing technology and requirements, can effectively prevent the exchange of packaging content, can avoid food weight loss, loss of taste, but also prevent secondary pollution.

3. The gas inside the vacuum packaging container has been eliminated, which accelerates the heat conduction, which can improve the heat sterilization efficiency and avoid the rupture of the packaging container due to the expansion of the gas during the heat sterilization.

In the food industry, vacuum packaging applications are very common, a variety of cooked products such as chicken legs, ham, sausage, grilled fish fillets, beef jerky, etc.; pickled products such as a variety of pickles and soy products, preserved fruit and other foods that need to be preserved Vacuum packaging is increasingly being used. The vacuum-packed food has a long shelf life and greatly extends the shelf life of the food.

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