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Quality ASME Boiler Preheater Power Plants Oem Types Of Air Preheater In Boiler factory
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Quality ASME Boiler Preheater Power Plants Oem Types Of Air Preheater In Boiler factory
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ASME Boiler Preheater Power Plants Oem Types Of Air Preheater In Boiler

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
Tags

air preheater

tubular air preheater

air pre heater

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
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asme boiler preheater

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oem types of air preheater in boiler

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asme types of air preheater in boiler

Product Description

Boiler Air Preheater ASME Certified High Efficiency for Thermal Power Plants

Usage and Application
The boiler air preheater (APH) is a critical heat recovery component in utility-scale thermal power generation. Its core function is to extract residual heat from the flue gas exiting the boiler's tail flue and transfer it to the incoming combustion air before it enters the furnace. Preheating this air significantly accelerates fuel ignition, stabilizes the combustion process, and drastically reduces overall coal consumption. For large-scale operations, such as a 330MW coal-fired power plant, installing a highly optimized air preheater is one of the most effective strategies to lower the exhaust gas temperature and maximize overarching thermal cycle efficiency.
 
Technical Advantages
Our air preheaters are engineered to resolve the most common operational challenges in the tail flue, such as severe fouling and acid dew point corrosion. We offer versatile material selections, including ordinary steel, Corten steel, and ND steel tubes, fitted into precision laser-drilled tube sheets to ensure structural stability and high-efficiency heat transfer (utilizing advanced profiles like spiral grooved tubes).
 
To combat severe operational environments, we offer specialized enamel-coated tubes. These feature an ultra-smooth surface that resists ash accumulation while providing exceptional corrosion resistance. Furthermore, our advanced heat pipe air preheaters feature independent, non-contact spaces for flue gas and air. This zero-leakage design operates with remarkable stability and is highly effective at mitigating the severe blockages and corrosion typically caused by ammonium bisulfate ((NH₄)HSO₄) deposition in modern emission-controlled plants.
 
Typical Parameter Specifications
 
Specification Technical Details (Utility-Scale Boilers)
Preheater Types Tubular, Heat Pipe, and Regenerative
Tube Materials Corten Steel, ND Steel, Ordinary Steel
Advanced Coatings Enamel-coated cold-end tubes
Primary Application Coal, Biomass, and Dual-Fuel Thermal Power Plants
Key Performance Feature Exceptional (NH₄)HSO₄ and acid dew point corrosion resistance
Manufacturing Standard ISO 9001, ASME, CE/PED compliant capabilities
About BOYU Heavy Industry
BOYU Heavy Industry is a premier global manufacturer of advanced power generation equipment and a trusted partner for comprehensive Power project execution. With decades of thermal engineering expertise, we deliver robust boiler components that are specifically engineered to optimize efficiency, lower lifecycle maintenance costs, and ensure reliable commercial operation for international power projects.
 
OEM & Custom Manufacturing Available
We provide comprehensive OEM services and custom manufacturing for all air preheater configurations. Whether you need an entirely new heat pipe APH module, enamel-coated replacement tubes for the cold-end sections of a tubular APH, or replacement heating elements and seals for a rotary unit, our engineering team delivers precision-fit solutions designed to meet your precise performance guarantees.
 
Frequently Asked Questions (FAQ)
 
  • How does a heat pipe air preheater differ from a traditional tubular APH?
    In a heat pipe APH, the flue gas and combustion air flow through completely isolated channels. Heat is transferred via the phase change of the working fluid inside the sealed heat pipes. This guarantees zero cross-leakage between the gas and air, ensuring stable operation even under heavy fouling conditions.
  • Why use enamel-coated or ND steel tubes in the air preheater?
    As flue gas cools in the back end of the boiler, sulfuric acid vapor can condense, causing severe "cold-end" corrosion. Enamel coatings provide an impermeable, smooth barrier against this acid and prevent sticky ash buildup, while ND steel provides superior inherent resistance to sulfuric acid dew point corrosion compared to standard carbon steel.
  • Can you supply replacement components for our existing units to meet our COD schedule?
    Yes. We specialize in fast-track manufacturing for EPC contractors and plant operators, providing exact drop-in replacements—from individual tubes to fully fabricated modular blocks—to ensure your project stays strictly on schedule.

Product Highlights

Boiler Air Preheater ASME Certified High Efficiency for Thermal Power Plants Usage and Application The boiler air preheater (APH) is a critical heat recovery component in utility-scale thermal power generation. Its core function is to extract residual heat from the flue gas exiting the boiler's tail ...

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