Since aluminum rack pipe has good thermal conductivity, it can save energy by more than 30% compared with conventional steel rack pipes and air coolers. The ratio of the projected area to the evaporation area of the aluminum tube can be 1:3 or 1:4, and all can be installed on the top surface of the cold storage. In this way, the heat exchange capacity per unit area can be higher and more energy-saving than the use of wall rows, and it also has a certain cold storage effect, which reduces the frequent startup rate of the compressor during operation, prolongs the service life of the compressor, and saves a certain amount of electrical energy. Consumption. At the same time, the aluminum tube also has the characteristics of light weight, convenient installation, and low refrigerant consumption. Therefore, many cold storage builders choose to use aluminum tube as the evaporator of the cold storage.
What are the advantages and characteristics of aluminum tube?
1. Good thermal conductivity
Aluminum alloy has excellent thermal conductivity. At this time, the difference between the evaporation temperature of the refrigerant and the outer surface of the aluminum tube 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 tube as an example. Its raw material is pure aluminum ingot, so its thermal conductivity is 237W/m.k. Compared with other evaporator products, it can save more than 30% energy.
2. Special structure design, fast cooling and cooling
The fins of the aluminum alloy fin tube are parallel to the aluminum tube to form a sheet shape. The formed aluminum tube fixes the sheet fin tube in parallel to form several parallel channels. When the refrigeration system is working, cold air forms smoke in the channel. The channel effect is accelerated to sink and convection speeds up, so the cooling speed is fast. When the set temperature is reached, the compressor stops running, saving a lot of electricity. Take the frost source aluminum pipe as an example, its special structure design can make the refrigeration system quickly reach the set temperature in a short time. Moreover, a unique process is used in the aluminum tube to ensure the cleanliness of the aluminum tube. The acid sand process on the surface of the aluminum tube can ensure its air tightness, form an oxide protective film, and extend the service life of the aluminum tube.
3. High heat exchange efficiency with cold storage effect
The ratio of the projection area to the evaporation area of the aluminum row tube can be one to three or one to four, and can be installed on the top surface of the cold storage, which can make the heat exchange capacity per unit area more efficient and more energy-saving than the use of wall rows. The certain cold storage effect of the aluminum tube can reduce the frequent startup rate of the compressor during operation and extend the service life of the compressor. According to the customer’s use of Frost Source aluminum rack pipe pipes learned by reporters, so far, there has not been a single case of Frost Source aluminum rack pipe pipes causing refrigeration compressors to fail to operate normally due to aluminum rack pipe tubes.
4. Light weight, convenient installation, and low refrigerant consumption
The density of pure aluminum is 2.7g/cm3. Compared with other evaporator materials, its weight per unit area is lighter, so it is easier to install. The fin tube used in the well-known frost source aluminum rack pipe has an outer fin and internal thread structure, and the refrigerant charge will be greatly reduced, which can save refrigerant costs.
5. Less dry food consumption
Aluminum row pipes are hoisted on the top of the warehouse to form a direct cooling type natural convection heat transfer to minimize the dry consumption of the cooled food. The dry consumption of food is aggravated when the compressor is working, and is relieved when the compressor is stopped. Because the aluminum tube cools down very quickly, the compressor work time is shortened, and the downtime is long. Therefore, the cold storage made of this aluminum tube is compared with the traditional cold storage. Food consumption is less, the food preservation effect is better, and there is less frosting on the aluminum tube, so that the humidity in the warehouse is moderate, the temperature is stable, and the effect of constant temperature and humidity is good. For example, Frost source aluminum pipes are often used in food cold storage, including: grape cold storage, fragrant pear cold storage, pepper cold storage, logistics cold storage, etc.