logo
Quality H Finned Tube Boiler Air Preheater For Compact Heat Recovery Extended Surface factory
<
Quality H Finned Tube Boiler Air Preheater For Compact Heat Recovery Extended Surface factory
>

H Finned Tube Boiler Air Preheater For Compact Heat Recovery Extended Surface

Brand Name: Boyu
Place of Origin: China
Certification: ISO9001:2015, ISO14001:2015, ISO45001:2018
Minimum Order Quantity: 1 Set
Price: USD 5,000-50,000 / Set
Supply Ability: 10,000 MT per Month
Delivery Time: 30-60 working days after deposit
Payment Terms: T/T,L/C at sight
Standard Packaging: Seaworthy packing in fumigation-free wooden cases with anti-rust protection film and desiccant

Product Details


Product Name: Tubular Air Preheater Assembly Application: Boiler Flue Gas Heat Recovery & Combustion Air Preheating
Tube Material: Q235 (SA-179) / 20G (SA-210) Carbon Steel Fin Configuration: H-Type Double-Sided, High-Frequency Resistance Welded
Fin Material: Carbon Steel (Q235) Feature: Anti-Corrosion
Highlight

H Finned Tube Boiler Air Preheater

,

Compact Boiler Air PreheaterBoiler Air Preheater

,

recuperative air preheater Double Sided

Product Description

H-Finned Tube Air Preheater for Compact High-Efficiency Heat Recovery with Extended Surface Area

 

The H-Finned Tube Air Preheater is a compact, high-efficiency flue gas heat recovery component fabricated by Boyu Heavy Industry using our H-type finned tube manufacturing and tube bundle fabrication capabilities, designed for applications where space is limited and high heat transfer density is required. As a boiler component manufacturer with in-house H-fin welding production lines, Boyu produces H-finned tube air preheaters that deliver significantly higher heat transfer area per unit volume compared with bare tube designs. This assembly serves the primary function of recovering flue gas waste heat through extended surface H-finned tubes, preheating combustion air while occupying 40-50% less floor space than equivalent bare tube air preheaters. As boiler plants face increasing space constraints and demand for higher efficiency, the H-finned tube air preheater has become a preferred compact solution.

The H-Finned Tube Air Preheater is specifically constructed with carbon steel base tubes (Q235/SA-179 or 20G/SA-210) fitted with H-type fin plates welded on both sides of the tube in a continuous, symmetrical arrangement. The H-fin configuration consists of two parallel rectangular fin plates connected at the tube surface, creating an H-shaped cross-section that maximizes heat transfer area while maintaining structural rigidity. Boyu welds the H-fins using high-frequency resistance welding, ensuring full metallurgical bond between fin and tube with minimal thermal resistance. Standard fin heights range from 20-50mm, fin thickness 2-4mm, and fin pitch 4-12 fins per 100mm, providing 3-5 times the external heat transfer area of bare tubes.

Manufactured using certified base tubes with in-house H-fin welding, precision tube sheet drilling, tube expanding and seal welding, every H-Finned Tube Air Preheater undergoes fin weld quality inspection (visual + ultrasonic), fin pitch verification, coating inspection and comprehensive leak testing. The H-fin welding process produces consistent, full-penetration welds with bond strength exceeding 100MPa, ensuring reliable heat transfer from tube to fin. Boyu's H-fin production line enables high-volume, consistent quality with competitive lead times, with typical delivery of 30-45 days for complete assemblies. Complete fin quality reports, material certificates and leak test records accompany every shipment.

One significant advantage of Boyu H-Finned Tube Air Preheaters is the compact footprint achieved through extended surface area. The H-fin configuration provides 3-5 times the external heat transfer area of bare tubes, allowing the same heat duty to be accomplished with 40-50% fewer tubes and significantly reduced housing dimensions. This is particularly valuable for retrofit projects where existing boiler room space is limited, and for new installations optimizing plant layout. Additionally, the H-fin design provides excellent self-cleaning characteristics in moderate-dust flue gas applications, as the open fin geometry allows soot blowers and rapping devices to effectively remove accumulated ash.

The H-Finned Tube Air Preheater is adaptable to various boiler types, capacities and space constraints, making it suitable for power generation, coking, petrochemical, steelmaking, biomass energy and waste-to-energy industries. Its versatility enables application in both new installations and retrofit projects, with horizontal or vertical flow configurations. Furthermore, the assembly can be customized for specific flue gas conditions, including different fin heights, fin pitches, tube diameters and material configurations, ensuring optimal heat transfer performance, pressure drop and dust accumulation characteristics for each application.

In addition to functional benefits, the H-Finned Tube Air Preheater is designed with durability and maintenance convenience in mind. The high-frequency resistance welded fins provide strong, reliable bonds that withstand thermal cycling and mechanical cleaning without fin detachment. The modular tube bundle design allows for individual section replacement during maintenance. Boyu provides technical support for fin geometry optimization, thermal design calculation, pressure drop analysis and dust accumulation assessment, helping clients achieve the optimal balance between heat transfer enhancement and operational reliability.

To summarize, the Boyu H-Finned Tube Air Preheater represents a compact, high-efficiency heat recovery solution leveraging our in-house H-fin welding expertise. By delivering extended-surface tube bundles with verified weld quality and leak-tested construction, it achieves 3-5x heat transfer area, reduces footprint by 40-50% and maintains reliable performance in space-constrained applications. Our integrated manufacturing capability, systematic fin design optimization and expert technical support make this product an ideal choice for boiler operators and EPC contractors seeking compact, high-efficiency air preheater solutions. Investing in H-finned tube air preheaters is a strategic decision that supports space optimization, energy efficiency and long-term operational reliability.

Features

·        Boyu in-house H-fin welding: high-frequency resistance welding, bond strength >100MPa

·        H-fin configuration: two parallel rectangular fin plates, 3-5x external heat transfer area vs bare tube

·        Compact design: 40-50% smaller footprint than equivalent bare tube APH

·        Fin height 20-50mm, fin thickness 2-4mm, fin pitch 4-12 fins/100mm

·        Open H-fin geometry facilitates soot blowing and ash removal in moderate-dust service

·        Base tube: Q235(SA-179) / 20G(SA-210), OD 32-51mm

·        Full metallurgical fin-to-tube bond, minimal thermal contact resistance

·        Modular tube bundle for individual section replacement

·        Suitable for new installation and retrofit projects with space constraints

·        Expert support for fin geometry optimization and pressure drop analysis

Technical Parameters

Product Name

H-Finned Tube Air Preheater

Application

Compact High-Efficiency Flue Gas Heat Recovery

Base Tube Material

Q235 (SA-179) / 20G (SA-210) Carbon Steel

Fin Material

Carbon Steel (Q235)

Fin Configuration

H-Type Double-Sided, High-Frequency Resistance Welded

Fin Height

20mm - 50mm

Fin Thickness

2mm - 4mm

Heat Transfer Area Multiplier

3 - 5x vs Bare Tube

Footprint Reduction

40% - 50% vs Bare Tube APH

Standard Delivery

30 - 45 Days

 

Applications

The Boyu H-Finned Tube Air Preheater is a compact high-efficiency heat recovery component fabricated using our in-house H-fin welding capabilities. Manufactured in Shandong, China, this assembly is designed for applications where space is limited and high heat transfer density is required. Certified with ISO9001, ASME, Grade A and SGS, the product guarantees high quality and reliable heat transfer performance.

This H-Finned Tube Air Preheater is widely used in power station boilers, industrial boilers, coking waste heat boilers, biomass boilers, waste-to-energy boilers and retrofit projects where compact footprint and high efficiency are required. Its extended surface design delivers 3-5x heat transfer area, reducing installation space while maintaining reliable flue gas heat recovery.

 

Product Highlights

H-Finned Tube Air Preheater for Compact High-Efficiency Heat Recovery with Extended Surface Area The H-Finned Tube Air Preheater is a compact, high-efficiency flue gas heat recovery component fabricated by Boyu Heavy Industry using our H-type finned tube manufacturing and tube bundle fabrication ...

Related Products
Quality Complete Boiler Superheater Integrated Assembly Reheater Economizer Htp Boiler Parts factory

Complete Boiler Superheater Integrated Assembly Reheater Economizer Htp Boiler Parts

Complete Boiler Pressure Parts Integrated Assembly - Superheater, Reheater, Economizer, Water Wall, Header and Drum with Full Customization Boiler Pressure Parts are core pressure-bearing heating surface components of thermal power boilers, industrial steam boilers, biomass boilers and coking waste ...

Quality Vitreous Enamel Coated Steel Boiler Tube Replacement Anti Corrosion Customizable Size factory

Vitreous Enamel Coated Steel Boiler Tube Replacement Anti Corrosion Customizable Size

High-Performance Vitreous Enamel-Coated Steel Tubes for Anti-Corrosion Boiler Heating Surface with Customizable Dimensions The Vitreous Enamel-Coated Steel Tube is a critical anti-corrosion component engineered for low-temperature heating surfaces in industrial boilers, waste heat recovery systems ...

Quality SA213 T11 Alloy Steel Superheater Panel For Boiler Section Customizable Configuration factory

SA213 T11 Alloy Steel Superheater Panel For Boiler Section Customizable Configuration

SA213 T11 Alloy Steel Superheater Panel for High-Temperature Boiler Section with Customizable Configuration The SA213 T11 Alloy Steel Superheater Panel is a high-temperature pressure-bearing heating surface component designed for power station boilers and high-temperature waste heat boilers. ...

Quality Low Temperature Reheater Coil Boiler Pressure Parts For Reheat Systems factory

Low Temperature Reheater Coil Boiler Pressure Parts For Reheat Systems

Low-Temperature Reheater Coil for Industrial and Utility Boiler Reheat Systems with Optimized Gas Flow The Low-Temperature Reheater Coil is a pressure-bearing heating surface component arranged in the low-temperature flue gas zone of industrial and utility boilers to reheat turbine exhaust steam, ...

Request A Quote

Please use our online inquiry contact form below if you have any questions, our team will get back to you as soon as possible.

You can upload up to 5 files and Each file sized 10M max.