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Monthly Archives: 9月 2025

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Choosing the Right Finned Tube for Air-Cooled Heat Exchanger?

Choosing the Right Finned Tube for Air-Cooled Heat Exchanger? How to Choose the Right Finned Tube for an Air-Cooled Heat Exchanger Selecting the right finned tube for an air-cooled heat exchanger requires comprehensive consideration of factors such as material, spacing, and structural parameters. The following are key points: Material Selection Base Tube Material: Aluminum [...]

Reasons for High Air Preheater Exhaust Temperature

Reasons for High Air Preheater Exhaust Temperature Reasons for High Air Preheater Exhaust Temperature Because the exhaust temperature of air preheaters in power plant boilers is generally high, this high exhaust temperature reduces boiler efficiency, resulting in insufficient drying output in the pulverizing system, making long-term operation very uneconomical. This is a common problem [...]

What is Air Finned Cooler?

What is Air Finned Cooler? An air finned cooler (also known as an air cooler or air cooled heat exchanger) uses ambient air as the cooling medium, performing forced convection heat transfer through finned tubes. Its core structure consists of a tube bundle, bracket, fan, and finned tubes (typically aluminum fins for enhanced heat transfer). [...]

What are Extruded Aluminum Fins?

What are Extruded Aluminum Fins? Extruded aluminum fins are heat dissipation components made by tightly attaching aluminum to a base tube (such as a steel or copper tube) through an extrusion process. They offer high heat transfer efficiency and structural stability. Extruded aluminum fins are heat dissipation components manufactured through aluminum extrusion and are widely [...]

Why L Type Finned Tubes Are Used in Air Coolers?

Why L Type Finned Tubes Are Used in Air Coolers? The core reason for choosing L type finned tubes for air coolers is that their unique structural design effectively solves the problem of low air-side heat transfer efficiency. The specific advantages are as follows: I. Heat Transfer Enhancement Mechanism Increased Heat Transfer Area L type finned [...]

What is a Finned Tubular Heater?

What is a Finned Tubular Heater? A finned tubular heater, also known as a finned electric heating tube, features metal fins wrapped around the surface of a conventional element. This increases the heat dissipation area by 2-3 times compared to conventional elements, meaning the surface power load allowed by finned elements is 3-4 times that [...]

What is a Fin Pipe?

What is a Fin Pipe? A fin pipe is a heat exchange element that increases the heating surface and improves heat transfer efficiency. A fin pipe (or finned tube) is a heat exchange element that increases heat transfer efficiency by expanding the heating surface. It is primarily used in heat exchange equipment such as waste [...]

What are Helical Finned Tubes?

What are Helical Finned Tubes? Helical finned tubes are heat exchange elements that utilize spiral fins to enhance heat transfer. They are energy-saving heat transfer components for equipment such as boilers and pressure vessels. Their heat transfer area can reach several to dozens of times that of plain tubes. Manufacturing processes include high-frequency resistance welding, [...]

Basic Guide to Serrated Fin Tubes

Basic Guide to Serrated Fin Tubes Heat exchangers are complex devices that require a careful selection of tubes to achieve optimal heat transfer efficiency. Serrated finned tubes are becoming increasingly popular in various industries due to their unique design and ability to improve heat exchange processes. What Are Serrated Finned Tubes? Serrated finned tubes [...]

What is the Difference Between Extruded and Embedded Fins?

What is the Difference Between Extruded and Embedded Fins? Extruded fin tubes are integrally molded, offering efficient heat dissipation and a stable structure. Embedded fin tubes are lower cost but offer slightly weaker heat dissipation. Choose based on your needs, balancing performance with your budget. In the field of fin tubes, a crucial heat [...]

The Effect of Economizers on Boilers

The Effect of Economizers on Boilers A boiler economizer is a highly efficient, energy-saving device widely used in industrial boiler systems. Its primary function is to utilize flue gas waste heat to raise boiler feed water temperature, reducing fuel consumption and thereby achieving energy conservation and emission reduction. What is a boiler economizer? A [...]