Elliptical Carbon Steel Finned Tube for Heat Exchanger

A brief introduction to Elliptical Carbon Steel Finned Tube for Heat Exchanger

This product adopts the hot-dip galvanizing process with uniform sheet spacing, firm contact between tube sheets, and good anti-corrosion performance. It can be widely used in power station air coolers and various heat exchangers.

Rectangular elliptical fin tube (T-type fin tube):

Features: It adopts automatic high-speed punching machine and sheet-string production process, and the sheet spacing is stable. The fin tube is hot-dip galvanized as a whole, the zinc layer is uniform, the zinc layer thickness is not less than 0.06mm, the tube sheet is firmly combined, and it has the characteristics of high heat transfer efficiency and small wind side resistance. Compared with the round tube with the same cross-section, the heat transfer coefficient can be increased by about 25%, and the air resistance can be reduced by about 15-25%.

Application of rectangular elliptical fin tubes:

This product adopts the hot-dip galvanizing process, with uniform sheet spacing, firm tube sheet contact, and good anti-corrosion performance. It can be widely used in power station air coolers and various heat exchangers.

1. Corrosion resistance of galvanized elliptical fin tubes

After galvanizing, a dense zinc layer will form on the surface of the galvanized elliptical fin tube. This zinc layer can effectively isolate oxygen and moisture in the air and prevent corrosion of the substrate. This corrosion resistance enables the galvanized elliptical fin tube to maintain good performance in harsh environments such as humidity, acid and alkali, thereby significantly extending its service life.

Specifically, the zinc layer can prevent oxygen and moisture from directly contacting the fin tube substrate, thereby avoiding the occurrence of electrochemical reactions.

At the same time, the zinc layer itself also has a certain self-repairing ability. Even if the zinc layer is slightly damaged, it can repair the damaged part through the oxidation reaction of zinc to prevent further spread of corrosion. This anti-corrosion mechanism enables the galvanized elliptical fin tube to maintain stable performance during long-term use.

2. Heat transfer performance of galvanized elliptical fin tubes

Galvanizing not only improves the corrosion resistance of the elliptical fin tube, but also has a positive effect on its heat transfer performance. The fin structure of the fin tube can increase the heat exchange area and improve the heat transfer efficiency. The galvanizing treatment can enhance the thermal conductivity of the fin tube surface, allowing heat to be transferred more quickly. This efficient heat transfer performance allows the galvanized elliptical fin tube to fully play its role in heat exchange equipment and improve the thermal efficiency of the equipment.

The enhancement of the thermal conductivity of the fin tube surface by galvanizing is mainly attributed to the high thermal conductivity of the zinc layer. Zinc is an excellent thermal conductive material, and its thermal conductivity is much higher than that of the fin tube substrate.

After a layer of zinc layer is formed on the surface of the fin tube, the thermal conductivity of the fin tube surface can be significantly improved. This enhancement makes the heat transfer on the surface of the fin tube more rapid and uniform, thereby improving the heat transfer efficiency of the entire fin tube.

3. Service life of galvanized elliptical fin tube

Galvanizing has a significant effect on the service life of elliptical fin tubes. As mentioned above, galvanizing can significantly improve the corrosion resistance of the fin tube and prevent corrosion and aging of the substrate. This anti-corrosion mechanism enables the fin tube to operate stably for a long time in harsh environments, thereby extending its service life.

Galvanizing can also enhance the hardness and wear resistance of the fin tube surface. During the use of the fin tube, the surface of the fin tube may be worn and impacted due to factors such as medium flow and vibration.

The galvanized layer has high hardness and wear resistance, which can effectively resist the effects of these factors and maintain the integrity and smoothness of the fin tube surface. This enhancement further extends the service life of the fin tube.

4. Comprehensive performance of galvanized elliptical fin tubes

Galvanizing also has a positive effect on the comprehensive performance of elliptical fin tubes.

First, galvanizing can improve the appearance quality of the fin tube. The zinc layer has a silvery-white metallic luster, which can improve the appearance of the fin tube.

Secondly, galvanizing can also improve the mechanical properties of the fin tube. A tight alloy layer is formed between the zinc layer and the substrate, which can enhance the strength and toughness of the fin tube. This enhancement enables the fin tube to withstand greater loads and impacts during use.

The galvanizing of galvanized elliptical fin tubes has a significant effect on their performance and life. Galvanizing can significantly improve the corrosion resistance and heat transfer performance of finned tubes, extend their service life, and improve their overall performance.

In practical applications, galvanizing elliptical finned tubes is a very effective way to improve their performance and life.