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Fixed Tube Sheet Type Shell&Tube Heat Exchanger

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Fixed Tube Sheet Type Shell&Tube Heat Exchanger

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Overview

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Product Description

Fixed Tube Sheet Type Shell and Tube Heat Exchanger

Fixed Tube Sheet Type Shell & Tube Heat Exchanger is a robust and reliable heat exchanger type widely utilized in various industrial applications. Featuring a stationary tube sheet that securely anchors the tubes within the shell, this shell and tube heat exchangers ensure efficient heat transfer between two fluids. Expertise in making heat exchangers ensures precision engineering and superior durability, making it ideal for demanding environments. Suitable for both low and high-pressure systems, this heat exchanger combines high performance with ease of maintenance.

Structure and Components

Shell: Typically cylindrical, the shell houses the tube bundle and encloses the fluids involved in heat exchange. It is designed to withstand the pressure and temperature conditions of the operating environment.
Tube Bundle: A set of parallel tubes arranged within the shell, through which one of the fluids (tube-side fluid) flows. The tubes are made of materials that can resist corrosion and withstand the temperature and pressure of the fluid.
Tube Sheets: These are flat plates that secure the ends of the tube bundle. They are welded to the shell at both ends, fixing the tubes in place. The tube sheets also provide a surface for sealing and connecting piping to the heat exchanger.
Baffles: Installed inside the shell, baffles are used to enhance the turbulence of the shell-side fluid. They direct the fluid to flow in a zigzag path, increasing the fluid's velocity and promoting better heat transfer.
Tube Boxes: Located at the ends of the shell, tube boxes provide inlets and outlets for the tube-side fluid. They also serve as a housing for the tube bundle connections and seals.

Working Principle

The Fixed Tube Sheet Type Shell and Tube Heat Exchanger operates on the principle of heat transfer through conduction and convection. Two fluids, one hot and one cold, flow through the heat exchanger. The hot fluid flows through the tubes (tube-side fluid), while the cold fluid circulates around the tubes (shell-side fluid).As the fluids move through the heat exchanger, heat energy transfers from the hot fluid to the cold fluid through the walls of the tubes. The temperature difference between the two fluids drives the heat transfer process. The baffles within the shell enhance the turbulence of the shell-side fluid, ensuring more efficient heat transfer by increasing the fluid's mixing and contact with the tube walls.

02 Fixed Tube Sheet Type Shell and Tube Heat Exchanger

Benefits and Advantages

High Efficiency and Energy Saving: The Fixed Tube Sheet Type Shell and Tube Heat Exchanger offers a heat transfer coefficient ranging from 6000 to 8000 W/m²·K. This high efficiency results in significant energy savings, making it a cost-effective solution for various industrial applications.
Compact Structure: The compact design of the heat exchanger minimizes the occupied space, allowing for easy installation and integration into existing systems. Its lightweight nature also facilitates handling and transportation.
Design Flexibility: The Fixed Tube Sheet Type Shell and Tube Heat Exchanger comes in a variety of sizes, specifications, and materials to cater to diverse applications. This design flexibility ensures that the heat exchanger can be tailored to meet specific process requirements.
Robust and Reliable: Constructed from high-quality materials, the heat exchanger is durable and can withstand harsh operating conditions. The fixed tube sheets provide a stable structure, ensuring long-term reliability and performance.
Wide Range of Applications: Suitable for a wide range of pressures, temperatures, and fluid media, the Fixed Tube Sheet Type Shell and Tube Heat Exchanger is versatile enough to be used in various industries, including chemicals, petrochemicals, refineries, food processing, and pharmaceuticals.

03 Fixed Tube Sheet Type Shell and Tube Heat Exchanger

Technical Specifications

Shell Diameter: Ranges from small diameters suitable for low-flow applications to large diameters capable of handling high-flow rates.
Tube Diameter and Length: The tube diameter can vary depending on the fluid flow rate and pressure requirements. Typical tube lengths range from a few meters to tens of meters.
Tube Material: Common materials include stainless steel, titanium, nickel alloys, and copper alloys. The choice of material depends on the fluid properties and operating conditions.
Tube Arrangement: Tubes can be arranged in equilateral triangles or squares on the tube sheets. The equilateral triangle arrangement offers a more compact design with high turbulence, while the square arrangement facilitates easier tube-side cleaning.
Pressure and Temperature Ratings: The heat exchanger is designed to operate within specific pressure and temperature ranges. These ratings depend on the material selection and construction details.
Baffle Design: Baffles can be flat, segmented, or other configurations to optimize fluid flow and enhance heat transfer.

Applications

Chemical Industry: Used in processes such as distillation, condensation, and heating of chemical solutions. The heat exchanger's ability to handle aggressive fluids and high pressures makes it ideal for this industry.
Petrochemical Industry: Utilized in refining processes, where high temperatures and pressures are common. It helps in the separation, heating, and cooling of hydrocarbons and other petrochemicals.
Refineries: Essential in the cooling and heating of various refinery streams, ensuring efficient process operations.
Food Processing: Used in pasteurization, sterilization, and cooling of food products. The heat exchanger's ability to handle sanitary fluids and easy cleaning makes it suitable for this industry.
Pharmaceutical Industry: Critical in the heating, cooling, and sterilization of pharmaceutical solutions and products. The material compatibility and precision in temperature control make the Fixed Tube Sheet Type Shell and Tube Heat Exchanger ideal for this application.

Installation and Maintenance

Installation:

1. Site Preparation: Ensure the installation site is clean, level, and capable of supporting the heat exchanger's weight. Provide access for maintenance and inspection.

2. Alignment and Positioning: Properly align and position the heat exchanger to ensure accurate connections and minimize stress on the equipment.

3. Piping Connections: Connect the inlet and outlet piping to the tube boxes using suitable fittings and seals. Ensure all connections are tight and leak-free.

4. Inspection and Testing: Conduct a thorough inspection of the heat exchanger and piping system before starting operations. Perform pressure testing to verify the integrity of the equipment.

Maintenance:

1. Regular Inspection: Perform regular inspections to check for signs of wear, corrosion, or leaks. Inspect tube ends, baffles, and tube sheets for damage.

2. Cleaning: Regularly clean the tube sides and shell sides to remove deposits and scale, ensuring efficient heat transfer. Use suitable cleaning methods and chemicals compatible with 3. the heat exchanger material and fluid media.

4. Pressure Testing: Periodically perform pressure testing to ensure the heat exchanger remains in good condition and capable of handling the operating pressures.

5. Repair and Replacement: Promptly repair any damage or replace worn-out parts to maintain the heat exchanger's performance and reliability.

Fixed Tube Sheet Type Shell and Tube Heat Exchanger is a reliable and efficient heat transfer equipment suitable for various industrial applications. Its robust construction, design flexibility, and high heat transfer efficiency make it a preferred choice for handling diverse fluids and operating conditions. By understanding its structure, working principle, benefits, specifications, and typical applications, you can select and operate the heat exchanger effectively, ensuring optimal performance and reliability.

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