Service life of Jiaao spiral finned tube steel finned tube radiator

Description :

　　Service life of Jiaao spiral finned tube steel finned tube radiator

　　Fin tubes are heat exchangers composed of round or light tubes. So, how can we improve the heat transfer of round tubes? One effective method is to use an extended surface on the outer surface of the tube, namely the flue gas side, to make finned tubes. Assuming that the actual heat transfer area of the finned tube is several times the original surface area of the light tube, although the heat transfer coefficient of the flue gas is still very low, the heat transfer effect reflected in the surface area of the light tube will be greatly increased, thereby enhancing the entire heat transfer process. With a constant total heat transfer, the metal consumption of the equipment will be reduced, and the economy will be improved.

　　Spiral fins are formed by wrapping a steel strip perpendicular to the axis of the pipe in a spiral pattern around the outer surface of the pipe. With the gradual promotion of heat pipe technology, spiral finned tubes are widely used in air preheaters of boilers and various other heat exchangers. The heat exchanger using spiral finned tubes as heat exchange elements has the following characteristics: increasing the heat transfer area outside the tube. The spiral finned tubes expand the heat transfer area outside the light tube, and under the same external dimensions, their heat transfer area is several times or even tens of times that of the light tube, thus significantly improving the heat transfer capacity on the outside of the tube and the heat transfer efficiency of the heat exchanger.

　　The diameter of finned tubes: Our company's industrial finned tube radiators have developed a new design that does not use baffles as the head, but instead uses light tubes larger than the main radiator pipe as the head. This not only improves the heat dissipation effect on the basis of the original heat dissipation capacity, but also enhances the pressure bearing capacity of the radiator. The radiator diameter is relatively thick, and the instantaneous pressure during water supply pressure testing is high, avoiding many accidents caused by sudden cracking of the old baffle head.

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• spiral finned tube