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How does the Continuous High Frequency Welded Finned Tube prevent frost cracking due to low temperatures?
2022-04-06
Continuous High Frequency Welded Finned Tube is a derivative product of finned tube. Finned tube is a kind of heat exchange element. The main thing is to add fins on the surface of the heat exchange tube to improve the heat exchange efficiency. Change the fins to spiral After the shape, its heat transfer area is several times or even dozens of times higher than before, and the spiral-shaped fins are more heat transfer elements. At present, this product has been widely used in various boilers, and the product can also be manufactured by various methods, such as integral spiral finned tube, high frequency resistance welded spiral finned tube, etc. The product is frequently used, regular maintenance and appropriate maintenance methods is essential.
Regularly check the adhesion of the rubber gasket to each finned tube to avoid leakage due to degumming of the rubber gasket. Each time the fin is re-compressed, it is necessary to pay attention to the scale position of the last compression to prevent the rubber gasket from being over-extruded and reducing the service life. When replacing the rubber gasket of the spiral finned tube, it is necessary to update the entire section to avoid uneven gaps between the sheets and affect the heat transfer effect.
Regularly check the adhesion of the rubber gasket to each finned tube to avoid leakage due to degumming of the rubber gasket. Each time the fin is re-compressed, it is necessary to pay attention to the scale position of the last compression to prevent the rubber gasket from being over-extruded and reducing the service life. When replacing the rubber gasket of the spiral finned tube, it is necessary to update the entire section to avoid uneven gaps between the sheets and affect the heat transfer effect.
The design of the heating system should try to avoid the system being connected to the large oxygen, that is, as closed as possible, such as the location of the exhaust cock, the sealing of the circulating pump, etc. At the same time, the low pressure should be avoided during the operation of the equipment, which also avoids unnecessary dehydration. When the heating is stopped, the finned tubes are filled with dry or deoxygenated water for maintenance. When the newly installed finned tube is pressure tested, the water pressure test medium should be added with water solvent and non-toxic rust inhibitor.
