Feedwater Heater

Feedwater Heater

Our Feedwater Heater systems are engineered to optimize the regenerative steam cycle of modern power plants. By utilizing extraction steam from the turbine to preheat boiler feedwater, our heaters significantly reduce fuel consumption, minimize thermal shock to the boiler, and boost overall...

Product Introduction

Changzhou Vrcooler Refrigeration Co., Ltd. is one of the most reliable manufacturers and suppliers of feedwater heater in China, featured by quality products and good price. Please feel free to buy advanced feedwater heater for sale here from our factory. Also, aftermarket service is available.

 

Our Feedwater Heater systems are engineered to optimize the regenerative steam cycle of modern power plants. By utilizing extraction steam from the turbine to preheat boiler feedwater, our heaters significantly reduce fuel consumption, minimize thermal shock to the boiler, and boost overall plant thermodynamic efficiency. Available in both High-Pressure (HP) and Low-Pressure (LP) configurations, we provide the precision engineering needed for utility-scale and industrial power generation.

 

Engineering for Peak Cycle Efficiency

The Problem: Cold feedwater entering a boiler requires immense amounts of fuel to reach steam-generating temperatures, causing inefficient combustion and significant thermal stress on the boiler drum.

 

The Solution: Our feedwater heaters act as the primary energy recovery bridge. By capturing the latent heat of extraction steam, they raise the feedwater temperature closer to the boiler's operating point. This reduces the "heat rate" of your plant-meaning more electricity produced for every ton of fuel burned.

 

 Key Features & Benefits

Optimized Multi-Zone Heat Transfer: Our heaters feature distinct zones  for Desuperheating, Condensing, and Subcooling (Drain Cooling), ensuring maximum energy extraction from the extraction steam.

High-Pressure Reliability (HP Heaters): Engineered to withstand the extreme pressures of the boiler feed pump discharge, featuring forged tubesheets and high-strength hemi-head or channeled closures.

Low-Pressure Versatility (LP Heaters): Designed for large volume flows with minimal pressure drop, typically located between the condensate pump and the deaerator.

Thermal Stress Resistance: Precision-welded tube-to-tubesheet joints and advanced baffle designs accommodate rapid load changes and thermal cycling common in modern grid-balancing operations.

Advanced Metallurgy: Available in various materials, including high-grade Carbon Steel, SS304/316L, or specialized Monel/Inconel alloys for aggressive chemical environments.

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Typical Location Downstream of Feed Pump | Upstream of Deaerator
Max Pressure Up to 4500 PSI (310 Bar) | Up to 600 PSI (40 Bar)
Tube Type Straight or U-Tube Bundle
Zones 2-Zone or 3-Zone Design | 1-Zone or 2-Zone Design
Closure Type Hemispherical or Pressure Seal | Bolted or Welded Channel 

 

Help FAQ
Common Problem
  • How does a 3-zone heater differ from a standard heat exchanger?

     A 3-zone feedwater heater includes a desuperheating zone for high-temperature steam, a condensing zone for latent heat, and a subcooling zone to cool the drains before they leave the heater, maximizing total heat recovery.

  • Can you provide replacement bundles for existing FWH units?

    Yes! We specialize in custom "form-fit-function" replacement bundles for HP and LP heaters, helping plants restore original performance without full vessel replacement.

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Boost Your Power Plant Performance

Don't let valuable energy escape. Our thermal engineers can provide a full cycle analysis to show how our latest Feedwater Heater designs can lower your plant's heat rate. Contact us today for a custom technical proposal.

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