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Cold storage - storage body
Introduction to Cold Storage Board (Polyurethane)
1. The cold storage panel is made of lightweight polyurethane with good thermal insulation performance as the inner material, and is composed of S1, PVC color steel plate, and stainless steel plate on the outside. The sandwich type storage panel can reduce the heat transfer caused by the temperature difference between the inside and outside, in order to achieve the maximum efficiency of the freezing and refrigeration system.
2. Cold storage board thickness specifications: 80, 100, 120, 150mm
3. Cold storage board size specifications: The standardized width of the storage board is 960mm, and the height is 2 to 10 meters. (Additionally, customization can also be made according to your specific requirements.)
Cold storage - cold air fan
The application of air coolers
Air cooler (also known as air cooler) is a cooling equipment used for various cold storage facilities. Kelly air cooler has three types: KCL, KCD, and KCJ, which are suitable for cold storage at different temperatures.
KCL type is suitable for cold storage with a temperature of around 0 ℃, such as storage for fresh eggs or vegetables;
KCD type is suitable for cold storage with a temperature of around -18 ℃, used for refrigeration of frozen foods such as meat and fish;
KCJ type is suitable for freezing fresh meat or fish products in cold storage with a temperature of -25 ℃ or below.
The main structural characteristics and performance of air coolers
1. The shell adopts spray molding technology, which is corrosion-resistant and has a beautiful appearance.
2. The coils are arranged in a staggered manner, with high heat transfer efficiency. The aluminum sheets are securely connected to the copper tubes through mechanical tubes.
3. This product is factory wiring, and all wiring is placed in one junction box for easy installation and maintenance
4. There is a drainage joint at the lowest point in the center of the drainage tray, ensuring reliable drainage.
5. Trough shaped hanger, easy to install.
6. U-shaped stainless steel tubes and magnesium oxide filled electric heating tubes are placed in coils for good defrosting effect.
7. According to customer needs, long-distance air supply or explosion-proof motors can be used.
Cold storage - refrigeration unit
Typical applicable temperature range for storage:
KCL high-temperature series: storage temperature 0-5 ℃;
KCD medium temperature series: storage temperature -20~0 ℃;
KCJ low-temperature series: storage temperature -31~-18 ℃;
Selection of refrigeration capacity for suspended refrigeration evaporators:
Correctly selecting the evaporation temperature and cooling capacity q0 of the compressor. When the warehouse temperature is around 0 ℃, the difference between the compressor evaporation temperature and the warehouse temperature is 8 ℃. When the warehouse temperature is around -18 ℃, the difference between the compressor evaporation temperature and the warehouse temperature is 7 ℃. When the warehouse temperature is around -25 ℃, the difference between the compressor evaporation temperature and the warehouse temperature is 6 ℃; According to the selected evaporation temperature, select the cooling capacity of the compression mechanism based on 1.15 times the calculated load of the warehouse. Choose the type of fins for the air cooler:
When the temperature of the warehouse is around 0 ℃, the sheet spacing is taken as 4.5;
When the temperature of the warehouse is around -18 ℃, the sheet spacing is taken as 6;
When the temperature of the warehouse is around -25 ℃, the sheet spacing is set to 8.
Select the cooling fan model based on the rated cooling capacity q0 of the selected compressor: when the warehouse temperature is around 0 ℃, select the cooling fan according to 1.0xq0; When the temperature of the warehouse is around -18 ℃, select the air cooler according to 1.1xq0; When the temperature in the warehouse is below -25 ℃, select the air cooler according to 1.27xq0.
The importance of supermarkets for public life is self-evident, and as the end of the cold chain logistics of agricultural and sideline products, supermarkets have high quality requirements for product quality in distribution and retail. The freezing and refrigeration equipment in supermarkets plays a significant role in food preservation, playing an important role in meeting the growing needs of the people for a better life.
Cold chain logistics generally refers to a systematic project in which refrigerated and frozen food products are always in a specified low-temperature environment throughout the production, storage, transportation, distribution, and various stages to the consumer end, in order to ensure food quality and reduce food loss. It was established with the progress of science and technology and the development of refrigeration technology. It is a low-temperature logistics and storage process based on refrigeration technology and using refrigeration technology as a means. The rapid development of China's agricultural cold chain logistics industry requires the country to formulate and implement scientific and effective macro policies.
Food refrigeration is a specialized technology that uses low-temperature technology to lower the temperature of food and maintain it in a low-temperature state to prevent food spoilage and prolong its shelf life. Low temperature preservation can be used for the storage of fresh food materials, as well as widely used in food processing and semi-finished product storage. With the gradual improvement of living standards, people are paying more and more attention to the reasonable intake of nutrients, and the requirements for food preservation are also gradually increasing.
In industrial production, refrigeration equipment can accurately achieve certain cooling processes or perform air conditioning, and is widely used in fields such as chemical, pharmaceutical, medical, and electronics. In the pharmaceutical and medical field, due to the particularity of the industry, high requirements are placed on the environmental temperature, humidity, and cleanliness during the production and storage of pharmaceutical products, which also puts higher demands on related refrigeration equipment.
Star rated hotels and restaurants will be equipped with dedicated cold storage to store food or food ingredients. Hotel catering cold storage is often designed as dual temperature storage (or even multi temperature storage) to meet the optimal storage temperature requirements for different foods: Cold storage is mainly used for storing fruits and vegetables; The freezer is mainly used for storing seafood, frozen meat, etc
Industrial chillers are widely used in various industrial refrigeration processes such as plastics, electroplating, electronics, chemicals, pharmaceuticals, printing, food processing, etc., which require the use of chilled water. They can also provide comfortable air conditioning for activity spaces such as villas, restaurants, hotels, offices, schools, factories, etc. As one of the solutions for ammonia to fluorine conversion, low-temperature chillers are a recommended solution.
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