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  • Overview of Fabric Air Ducts and Their Operation Modes Overview of Fabric Air Ducts and Their Operation Modes
    Ⅰ. Overview of fabric air duct productsFabric air duct system is the use of fiber fabric as air conditioning ventilation cooling air supply system, with the advantages of environmental protection, en...
  • Fiber Cloth Duct Design Guide Fiber Cloth Duct Design Guide
    Fabric cloth air ducts can be designed to achieve air delivery effects that traditional air delivery systems cannot achieve through the microscopic holes that open on the surface of the duct wall. The...
  • The Air Supply Mode of the Cloth Air Duct The Air Supply Mode of the Cloth Air Duct
    Cloth air ducts have many advantages over traditional air supply modes, such as uniform air supply, anti-condensation, and easy installation no matter how complex the structural space is.As an emergin...

The Air Ducts Can Provide a Storage Environment of Low Temperature to Extend the Shelf Life of Vegetables

The cold chain of fruits and vegetables refers to the links from the farm to the dining table, that is, from the commercialization of the origin, pre-cooling, refrigeration, transportation, sales, and consumer home freshness. It is a special supply chain system, which is always in a prescribed low-temperature environment without breaking the chain to ensure the quality of vegetables and reduce losses, prevent pollution, and meet the consumers’ demands. If anyone of these links is not in place, it will affect the quality of the product. The cold chain logistics technology is more complicated than other logistics technologies. It requires refrigeration technology to pre-cool and refrigerate the perishable products, and to prolong the storage period and the shelf life of products. The cold storage ventilation is also needed in the process. The current cold chain logistics preservation technology is a physical technology, which is generally safe for use in vegetable preservation.

Some vegetables are more sensitive to low temperatures. If stored at unsuitable temperatures, it will be easy to cause physiological and metabolic disorders and cause damage to the cell membrane structure, resulting in the disease resistance and storage tolerance of vegetables reduced, and causing serious rot and quality deterioration.

The fabric air duct system and refrigeration equipment can ensure the even distribution of the cooling capacity in the storage, improve the heat transfer efficiency, reduce the dry consumption of vegetables, improve the storage quality of vegetables, and achieve the purpose of energy-saving. The cold air can be transported to the work area at a speed of 0.07-0.18m / s through the cloth air duct. In spaces that require a large amount of cold air supply, when the ground cooling load is up to 300W / m2, the air ducts can achieve air supply without obvious blowing feeling, and as a surface-type air supply method, the air supply is uniform and can guarantee a very high-temperature uniformity, and can create a low-temperature storage environment for vegetables and extend the shelf life of vegetables.

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