Pipeline Heat Exchanger Manufacturer - Yangzhou Darui
Darui Electric recommends to you
Finned tube heat exchanger not only has the inherent characteristics of heat pipes, such as large heat transfer, small temperature difference, light weight, small volume, and rapid thermal response, but also has the advantages of convenient installation, simple maintenance, long service life, low resistance loss, and easy separation of inlet and outlet air ducts without mutual leakage.
Specifically, the finned tube heat exchanger has the following characteristics.
1. The heat transfer surfaces on both sides of the cold and hot fluids can be freely arranged.Finned tube heat exchanger The heat exchange element is the finned tube, and the lengths of its evaporation section, condensation section, and fin ratio are determined by the given
heat transfer amount, fluid temperature, flow rate, and the properties and cleanliness of each fluid, independently on each side, without affecting each other. Structurally, it ensures that the finned
tube heat exchanger can be used for heat transfer between two fluids with greatly different temperatures, flow rates, and cleanliness.
2. Good overall heat transfer performance.Finned tube heat exchanger relies on the phase change of the internal working medium to achieve heat transfer. The fins on the outside of the heat pipe greatly increase the heat transfer area,
greatly reducing the convective heat transfer resistance on both sides, making it very economical for recovering low-grade heat energy; in addition, the finned tube heat exchanger can easily achieve vertical cross-flow outside the tubes
and pure counterflow of cold and hot fluids, increasing the average temperature difference for heat exchange without changing the inlet temperatures of the cold and hot fluids.
3. When the heat transfer surface is partially damaged, it can ensure that the two fluids do not mix with each other. During the operation of the finned tube heat exchanger, the cold and hot media are completely separated. During operation
if a single finned tube is damaged due to wear, corrosion, overtemperature, etc., only that single heat pipe fails, and there is no mixing of cold and hot fluids,
and it is convenient to replace a single damaged finned tube. Therefore, it is more suitable for heat exchange occasions with flammable, explosive, corrosive fluids, and has high reliability.
4. It has efficient resistance to low-temperature corrosion. Whenfinned tube heat exchanger is used for waste heat recovery of corrosive flue gas, the heat transfer area can be adjusted to adjust the tube wall temperature of the heat exchange tubes
so that the heat exchange tubes can avoid the most corrosive areas as much as possible.
5. It has high resistance to ash accumulation and blockage. The flue gas flows across the outside of the tubes for heat exchange, which enhances the disturbance of the flue gas. In addition, the finned tubehas a high wall temperature, and the outside of the tube is always
in a dry state, so it will not coke, is not easy to stick dust, and can effectively prevent blockage.
Finned tube heat exchanger
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