Description
The boiler finned tube is a precision-machined product used in boilers to enhance heat transfer efficiency. It features extended surface areas or fins that increase the heat exchange area, thereby improving the overall performance of the boiler system.

Key Features

Enhanced Heat Transfer: The finned tube design significantly increases the heat transfer surface area, allowing for improved heat exchange between hot gases and fluid within the boiler. This results in enhanced heat transfer efficiency and optimized energy utilization.

Efficient Cooling and Heating: The finned tube facilitates efficient cooling of high-temperature flue gases and efficient heating of the fluid inside the boiler. It promotes rapid heat dissipation from the gas side while maximizing heat absorption by the fluid, leading to improved overall thermal performance.

Wide Range of Applications: Boiler finned tubes are widely used in various boiler systems, including industrial boilers, power plants, heating systems, and other applications requiring efficient heat transfer. They are compatible with different fuel types and operating conditions, making them versatile and adaptable to diverse industries.

Durable Construction: The finned tube is manufactured using high-quality materials such as carbon steel, stainless steel, or other suitable alloys. This ensures durability, corrosion resistance, and long-lasting performance even in challenging environments.

Specifications

Boiler finned tubes are available in various specifications to meet specific requirements and optimize heat transfer efficiency. Common parameters include outer diameter, fin height, fin thickness, fin pitch, length, and tube material. These specifications are tailored to suit different boiler sizes, fuel types, and operating temperatures.

Standard Sizes

Standard sizes for finned tubes can vary depending on the specific boiler model and design. Typical outer diameters range from approximately 25 mm to 60 mm, while lengths can vary from 1 meter to 10 meters. Fin heights usually range from 8 mm to 20 mm, and fin thicknesses range from 0.8 mm to 2 mm. Custom sizes are available to meet the unique requirements of individual boiler systems.

Material and Manufacturing Process

Boiler finned tubes are manufactured using high-quality tube materials such as carbon steel or stainless steel. The fins are usually made from aluminum or copper alloys due to their excellent thermal conductivity. The manufacturing process involves precision machining, tube forming, and finning techniques to ensure accurate dimensions, proper fin attachment, and optimal heat transfer performance. Boiler Finned Tube

Technical Structural Features

The finned tube consists of a base tube with attached fins along its external surface. The fins can be either spiral-wound or extruded into various shapes, such as square, rectangular, or elliptical, depending on the specific application and heat transfer requirements. The fin arrangement and geometry enhance turbulence and promote effective heat transfer between the gas and fluid sides of the boiler.

Installation and Usage

Boiler finned tubes are installed within the boiler system, typically in the heat exchange section where maximum heat transfer occurs. They are positioned to optimize contact with hot gases while facilitating efficient fluid flow. Proper installation ensures a secure attachment of the fins to the base tube and proper alignment within the boiler. Regular inspection and maintenance are necessary to keep the finned tubes clean and free from debris, ensuring optimal heat transfer efficiency.

Processing advantage

1. The spiral blade produced by the continuous cold rolling method overcomes the shortcomings of the traditional spiral blade production process, such as poor precision, difficult forming and high consumption of materials, and low production efficiency.

2. After the blade is formed, the surface is smooth and the dimensional accuracy and surface hardness are high.

3. Provide continuous integral blades according to the helical length required by customers, with good rigidity, convenient and fast welding and assembly during use.

Finished Product

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