Shell and Tube Heat exchanger : Design & Fabrication

Temperature and energy management play an important role in every aspect of our lives. Our shell and tube heat exchanger fabrications company offers the most innovative and high quality solutions in this field.

Specially designed shell and tube heat exchangers for our customers provide excellent performance even in the most demanding applications thanks to their high efficiency and durability. Our products are designed to be used in a wide range of applications and can be customised for any application.

By using environmentally friendly and energy efficient technologies, our heat exchangers minimise our customers' energy consumption and reduce their impact on the environment. In addition, the low maintenance requirements of our products help our customers to reduce their operating costs.

You can benefit from the advantages of energy saving and environmentally friendly technologies by working with our company, which offers the most innovative and high quality solutions for your heat exchanger needs. By visiting our contact page, you can get more information and contact us for special solutions for your demands.

Shell and Tube Heat Exchanger Design

Shell and tube heat exchanger design involves the engineering process of creating a highly efficient device to transfer heat between two fluids with different temperatures. This type of heat exchanger consists of a bundle of tubes enclosed in a shell, and the fluids flow on opposite sides of the tubes.

The design process considers factors such as heat transfer rates, pressure drop, tube material, fluid flow rates, and overall size to ensure optimal performance and energy efficiency. Engineers use various software tools, calculations, and simulations to determine the appropriate tube diameter, length, and arrangement to achieve the desired heat exchange capacity.

 

Shell and Tube Heat Exchanger Calculation       

Shell and tube heat exchanger calculations involve determining various parameters to design an efficient heat exchanger. Key calculations include:

Calculation	Description
Heat transfer rate	The rate at which heat is transferred from one fluid to another in a heat exchanger. This is calculated using the following equation: Q = U * A * ΔTm
Overall heat transfer coefficient	It is calculated using the following equation: U = 1/Rt, where Rt is the total thermal resistance of the heat exchanger.
Log mean temperature difference	A measure of the temperature difference between the hot and cold fluids in a heat exchanger. It is calculated using the following equation: ΔTm = ln(Th,in - tC,out) / ln(Th,in - tC,in)
Heat exchanger area	The surface area of the heat exchanger that is exposed to the hot and cold fluids. It is calculated using the following equation: A = Q / U * ΔTm
Number of tube passes	The number of times the hot fluid flows through the tubes in a shell and tube heat exchanger. This affects the heat transfer rate and the pressure drop in the heat exchanger.
Tube diameter	The diameter of the tubes in a shell and tube heat exchanger. This affects the heat transfer rate and the pressure drop in the heat exchanger.
Tube length	The length of the tubes in a shell and tube heat exchanger. This affects the heat transfer rate and the pressure drop in the heat exchanger.

Frequently Asked Questions about Shell & Tube Heat Exchanger and Comments from our Experts;

 

What is a shell and tube heat exchanger?          

A shell and tube heat exchanger is a type of heat exchanger used for heat transfer. The tube heat exchanger is a structure in which small pipes called tubes are neatly arranged and connected to each other. It is used for two different fluids (usually liquid or gas) to transfer heat.

 

How does a shell and tube heat exchanger work?          

A shell and tube heat exchanger works by transferring heat between two fluids with different temperatures. One fluid flows through the tubes, while the other flows around the tubes in the shell. Heat is exchanged through the tube walls, allowing the hotter fluid to transfer its heat to the cooler fluid. This process increases the temperature of the cooler fluid while decreasing the temperature of the hotter fluid, achieving efficient heat transfer and maintaining a continuous flow of the two fluids.

What are the different types of shell and tube heat exchangers?

Type	Description
Fixed tube sheet heat exchanger	The most common type of shell and tube heat exchanger. The tubes are fixed in place in the tube sheet, which is located at the end of the shell.
Floating head heat exchanger	A type of shell and tube heat exchanger in which the tube sheet is not fixed in place. Instead, the tube sheet is free to float within the shell.
U-tube heat exchanger	A type of shell and tube heat exchanger in which the tubes are bent into a U-shape.
Baffled heat exchanger	A type of shell and tube heat exchanger that has baffles installed in the shell.
Plate and shell heat exchanger	A type of heat exchanger that combines the features of a shell and tube heat exchanger with a plate heat exchanger.

Each type of shell and tube heat exchanger is designed for specific applications, offering unique advantages to suit various industry needs.

What are the advantages of shell and tube heat exchangers?   

Advantages of Shell and Tube Heat Exchangers:

 1. High Heat Transfer Efficiency: Provide efficient heat transfer due to a large surface area and turbulent flow within the tubes.

 2. Versatility: Suitable for a wide range of fluids and temperature differences.

 3. Compact Design: Offer high heat transfer rates in a compact footprint, saving space.

 4. Easy Maintenance: Tube bundles can be removed for cleaning or replacement, facilitating maintenance.

 5. Resistant to Pressure and Temperature: Can handle high pressures and temperature variations.

 6. Durability: Constructed with robust materials, ensuring long-term performance.