Talk about the selection of Brazed Radiatorrequirements
1. Thermal performance requirements Brazed Radiator heat transfer coefficient K value is higher, indicating the better the heat dissipation performance. The method of increasing the heat dissipation of the radiator and increasing the heat transfer coefficient of the Brazed Radiatorcan be used to increase the heat dissipation area of the external wall to improve the velocity of the air flow around the Brazed Radiatorand increase the radiating force of the radiator.
2. Economic requirements, Brazed Radiator to the room unit of heat required for the smaller metal consumption, the lower the cost, the better its economy. The thermal strength of the Brazed Radiatoris a sign of the radiator economy. Metal thermal strength refers to the radiator heat medium temperature and indoor air temperature difference of 1 ℃. Per cent of the mass of the radiator per unit of time scattered heat. This indicator can be used as an indicator of the economics of the same material radiator. For a variety of different materials Brazed Radiator, the economic evaluation criteria should be the radiator unit heat dissipation cost (yuan / w) to measure.
3. Installation and use of the requirements of the Brazed Radiator should have a certain mechanical strength and pressure capacity; structure should be easily combined into the required heat dissipation area, the structure size is small, less room area and space, Brazed RadiatorThe production process should meet the requirements of mass production.
4. Hygienic and aesthetic requirements, the appearance of smooth, not fouling and easy to clean, Brazed Radiator installation should not affect the room perception.
5. Service life requirements, Brazed Radiator should not be easily corroded and damaged, long service life.
In terms of Brazed Radiator material, the thermal conductivity of each material is different, according to the thermal conductivity from high to low arrangement, respectively, silver, copper, aluminum, steel. However, if the use of silver for Brazed Radiator will be too expensive, so the best program for the use of copper. Although aluminum is much cheaper, but obviously the thermal conductivity is not as good as copper (about only about 50% of copper).
Brazed Radiators are the most common heat exchanger used in gas and liquid heat exchangers. It is through the ordinary base pipe to install fins to achieve the purpose of enhanced heat transfer. The base pipe can be made of steel pipe; stainless steel pipe; Fins can also use steel; stainless steel, copper, aluminum and so on. Brazed Radiator in the fin structure can be divided into winding-type; string-type; solder-type; Currently the most commonly used is the aluminum-aluminum composite finned tube, which uses the steel pipe pressure and aluminum high thermal conductivity, in a dedicated machine tool compound. The contact resistance is almost zero at 210 ° C. Steel-aluminum composite pipe with other types of finned tube radiator irreplaceable advantages.
1. Thermal performance aspects of the Brazed Radiator heat transfer coefficient K value is higher, indicating the better the thermal performance. Improve the heat dissipation of the radiator and increase the heat transfer coefficient of the brazed radiator. It can be used to increase the heat dissipation area of the outer wall to improve the velocity of the air around the Brazed Radiatorand increase the radiator outward radiation intensity.
2. Economic aspects of the request, Brazed Radiator to the room the amount of metal calories required less, the lower the cost, the better its economy. The thermal strength of the Brazed Radiatoris a sign of weighing the economics of the radiator. Metal thermal strength refers to the radiator heat medium temperature and indoor air temperature difference of 1 ℃. Per cent of the mass of the radiator per unit of time scattered heat. This indicator can be used as an indicator of the economy of the same material radiator. For a variety of different materials Brazed Radiator, the economic evaluation criteria should be the radiator unit heat dissipation of the cost (yuan / w) to weigh.
3. Installation and application of the requirements of the Brazed Radiator should have a certain mechanical strength and pressure capacity; structure should be easy to combine into the required cooling area, the structure size is small, less room size and space, Brazed RadiatorConsumption process should meet the plea of large quantities of consumption.
4. Hygienic and aesthetic requirements, the appearance of smooth, not fouling and easy to clean, Brazed Radiator installation should not affect the room perception.
5. The use of life requirements, Brazed Radiator should not be easy to be corrosion and damage, the use of long life.
