Finned heat exchanger GJ-CP03

Finned heat exchangers significantly increase the heat transfer area by adding fins to the surface of the base tube, compensating for the insufficient heat transfer performance of gases or fluids with low thermal conductivity, thereby enhancing the heat exchange efficiency.

Characteristics

High heat transfer efficiency

The fins attach to the base tube or base plate surface, significantly increasing the effective heat transfer area of the heat exchanger.

Flexible structural design

The fin types are diverse, including flat fins, corrugated fins, serrated fins, and perforated fins.

Adaptability to complex conditions

By selecting materials and strengthening the structure, it can be applied to high-temperature flue gas waste heat recovery or high-pressure refrigeration systems.

Economy and maintenance

The cost of the fin material is low, and through efficient heat transfer, the equipment volume is reduced, lowering the overall cost. The modular design allows for segmented cleaning and some types can be disassembled for maintenance.

Product Introduction

Finned heat exchangers are common heat exchange equipment compared with detachable plate heat exchangers and shell and tube heat exchangers. They have significant differences in structure, working principle, application scenarios, etc. The following are their main differences:

‌Characteristic‌ ‌Finned Heat Exchanger‌ ‌Detachable Plate Heat Exchanger‌
Heat Transfer Efficiency High gas-side efficiency (fin-enhanced surface area)36 Superior overall coefficient (turbulence-enhanced flow)37
Pressure Drop Low gas-side resistance (optimized fin design)3 Significant (complex flow channels)6
Pressure Resistance High (robust base tube structure)3 ≤2.5 MPa (gasket limitations)67
Suitable Media Gas-liquid/gas-vapor multiphase flows3 Clean liquids/steam (anti-clogging design)67
Maintenance Challenging fin-side cleaning3 Detachable plate cleaning system67
Compactness Bulkier (fin spacing requirements)3 High density (1000 m²/m³ compact ratio)6

 

‌Characteristic‌ ‌Finned Heat Exchanger‌ ‌Shell-and-Tube Heat Exchanger‌
Heat Transfer Efficiency Enhanced convection (fin optimization)36 Moderate (baffle-dependent flow)37
Pressure Drop Elevated (tortuous flow paths)3 Reduced (streamlined configuration)6
Pressure Rating Medium-low (≤4.0 MPa)3 High-pressure design (≤10 MPa)67
Media Compatibility Gas-gas/gas-liquid versatility3 Liquid-liquid/high-viscosity fluids6
Serviceability Specialized tools required3 Retractable tube bundle maintenance6
Space Efficiency Area/volume ratio >700 m²/m³3 Spacious layout (maintenance allowance)

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