Lord Fin Tube--What is gilled tube?

What is gilled tube?

A gilled tube is a type of heat exchanger tube that is commonly used in heat recovery systems to improve energy efficiency and reduce operating costs. Gilled tubes have small metal strips, called gills, that are attached to the outside of the tubes. The gills increase the surface area of the tubes, which enhances heat transfer efficiency.

The gills are typically shorter and thicker than fins and can be straight, spiral or helical in shape. They are usually made of aluminum or copper, and are commonly used in water-cooled heat exchangers, where they help to increase the heat transfer coefficient between the hot water and the cooling fluid.

Gilled tubes can be made using a variety of manufacturing processes, such as extrusion, stamping, or welding. They can be arranged in a variety of configurations, such as in-line, staggered or parallel, depending on the specific application and design requirements.

Overall, gilled tubes are an effective heat transfer solution for heat recovery systems, particularly in water-cooled applications. They offer a high surface area-to-volume ratio, which helps to maximize heat transfer efficiency and reduce energy consumption.

Gilled Tube Economizers:

Gilled tube economizers are similar to finned tube economizers in that they also increase the surface area of the tubes. However, instead of using fins, they use small metal strips, called gills, that are attached to the outside of the tubes. The gills are typically shorter and thicker than fins and can be straight, spiral or helical in shape. Gilled tubes are commonly used in water-cooled heat exchangers, where the gills help to increase the heat transfer coefficient between the hot water and the cooling fluid.

Is gilled tubes different with fin tube?

Yes, gilled tubes and finned tubes are different in their structure and appearance, although they are both used in heat exchangers to increase heat transfer efficiency.

Finned tubes, also known as finned heat exchanger tubes or extended surface tubes, have thin metal fins that are attached to the outside of the tubes. The fins increase the surface area of the tubes, which enhances heat transfer efficiency. Finned tubes are commonly used in air-cooled heat exchangers, where the fins help to increase the heat transfer coefficient between the hot air and the cooling fluid.

Gilled tubes, on the other hand, have small metal strips, called gills, that are attached to the outside of the tubes. The gills increase the surface area of the tubes, which enhances heat transfer efficiency. Gilled tubes are typically shorter and thicker than fins and can be straight, spiral or helical in shape. They are commonly used in water-cooled heat exchangers, where they help to increase the heat transfer coefficient between the hot water and the cooling fluid.

In summary, both finned tubes and gilled tubes are effective heat transfer solutions for heat recovery systems. The choice between the two types will depend on the specific application, such as the type of cooling fluid, the operating temperature and pressure, and the available space for the heat exchanger. In general, finned tubes are better suited for air-cooled applications, while gilled tubes are better suited for water-cooled applications.

Gilled Tube|Gilled Tube Economizers