Finned heat exchangers are a type of heat-exchangers, mainly used for the heating of process air. These heat-exchangers have high thermal conductivity and are designed to be light in weight. They are suitable for application to various fluids, such as hot water, steam, or thermal oil.Fins increase the rate of heat transfer, as well as the temperature gradient in a flow. Compared to traditional heat-exchangers, fins can be formed from a number of materials, such as aluminium, copper, steel, or stainless steel. It is important to choose the best material for your application.
The manufacturing process for finned heat exchangers involves several labour-intensive phases. For example, pressure tests are required to ensure the proper operation of the equipment.The optimal heat exchanger design should find a balance between rating and sizing, which minimizes the cost of the equipment. Several factors can affect the cost, such as the thickness of the cooling tube. Other factors include the nature of the basic material and the amount of off-cuts.
In addition, the geometry of the fins and plates determines the amount of material that is consumed. While the shape of the fins is relatively easy to calculate, the dimensions of the fins and the size of the tubular passages can be difficult to calculate.In order to reduce the cost and waste, the manufacture of finned heat exchangers may be automated. This invention breaks with traditional technologies and provides a semi-automatic process for the manufacture of strip finned heat-exchangers.