Uncovering the mysterious veil of cold storage evaporator aluminum row

According to the bulk non-ferrous net reprint: Why use aluminum row as a cold storage evaporator?

Because the aluminum row has good thermal conductivity, the evaporator of the cold storage refrigeration system using the aluminum row can save more than 30% energy compared with the conventional steel row, cooling fan and the like. The projected area and evaporation area ratio of the aluminum row can be 1:3 or 1:4, and can be installed on the top surface of the cold storage. In this way, the heat exchange capacity per unit area can be made higher and more energy efficient than the use of wall discharge, and there is also a certain effect of cold storage, so that the frequent start-up rate of the compressor during operation is reduced, the service life of the compressor is prolonged, and a certain amount of electrical energy is saved. Consumption. At the same time, the aluminum row also has the characteristics of light weight, easy installation and low refrigerant consumption. So many cold storage builders chose to use aluminum rows as evaporators for cold storage.

What are the advantages of aluminum row?

Good thermal conductivity

Aluminum alloy has excellent thermal conductivity. At this time, the evaporating temperature of the refrigerant and the temperature difference of the aluminum outer surface will decrease, the evaporation temperature will increase, the energy efficiency ratio of the compressor will increase, and the energy consumption will decrease. Take the frost source aluminum row as an example, its raw material is pure aluminum ingot, so its thermal conductivity is 237W/mk. More than 30% energy saving than other evaporator products.

Special structure design cooling and cooling fast

The fins of the aluminum alloy fin tube are parallel to the aluminum tube and form a sheet shape. The formed aluminum row fixes the sheet fin tube in parallel and forms a number of parallel passages. When the refrigeration system is working, cold air forms a flue in the passage. The effect is accelerated and sinks, and the convection speeds up, so the cooling rate is fast. When the set temperature is reached, the compressor stops running, saving a lot of electric energy. Taking the frosted aluminum row as an example, its special structural design enables the cooling system to quickly reach the set temperature in a short period of time. In addition, the unique process in the aluminum pipe can ensure the cleanliness of the aluminum pipe. The use of acid sand technology on the surface of the aluminum tube ensures its airtightness, forms an oxidation protection film, and prolongs the service life of the aluminum row. It has been learned that there have never been any problems with the Xiangjiang Hotel in Xingtai, which used the frost-source aluminum row for 10 years.

High heat transfer efficiency with cold storage

According to the reporter of the Refrigeration Express, the projection area and evaporation area ratio of the aluminum row can be one to three or one to four, and can all be installed on the top of the cold storage, and the heat transfer capacity per unit area can be higher than the wall discharge efficiency. More energy-saving, and aluminum storage at this time a certain effect of cold storage, can make the compressor when the frequent start-up rate is reduced to extend the life of the compressor. The situation of the use of frost-source aluminum customers learned by reporters shows that, so far, there has not been a case of frost-sourced aluminum rows in which refrigeration compressors cannot operate normally due to aluminum displacement.

Light weight, easy installation and less refrigerant

The density of pure aluminum is 2.7g/cm3. Compared with other evaporator materials, the weight per unit area is lighter and therefore easier to install. As is well known, the fin tube used in the aluminum source row of frost is the inner fin structure of the outer fins, and the refrigerant charge will be greatly reduced, which can save the cost of the refrigerant.

The aluminum row is installed on the top of the warehouse to form direct-cooled natural convection heat transfer, which minimizes the consumption of dried foods. The dry food consumption of the food is intensified when the compressor is in operation, and is relieved when the compressor is stopped. Because the cooling rate of the aluminum discharge is particularly fast, the working time of the compressor is shortened, and the downtime is long, the cold storage made by the aluminum row is compared with the traditional cold storage, and the food is dried. Less consumption, better food preservation effect, less frost on the aluminum row, so that the humidity in the warehouse is moderate, the temperature is stable, and the constant temperature and humidity are good. For example, the aluminum source of frost source is often used in food cold storage, including: cold storage of grapes, cold storage of fragrant pears, cold storage of peppers, and logistics cold storage.

According to the reporter of the Refrigeration Express, Frost Source Aluminum has eliminated the above-mentioned characteristics. It also has a unique use of tungsten pulsed argon arc welding in the welding process, which not only damages the original aluminum row structure, but also guarantees its airtightness. The appearance is also clean and beautiful. In the pressure leak detection, the frost source aluminum row pressured with nitrogen, can be a good guarantee of the aluminum row of air tightness, pressure resistance, let it eliminate the risk of leakage. In terms of product design, the design of the frost-source aluminum row is flexible and can be skillfully used in various types of cold storage, and the energy-saving effect is obvious.