Feed Water Heater

The needs of the power generation industry include year-in and year –out reliability, optimum performance for maximum efficiency, and absolute on-time delivery to meet plant outage schedules. AAHANA Giffard system has superior technology and competitiveness for basic and detailed design of LP&HP Feedwater Heaters which are installed in thermoelectric, nuclear power plant. AAHANA carries out the vibration, stress analysis and fatigue analysis to provide customer with improved quality and confidence.

All of AAHANA Feed Water Heaters are designed in accordance with HEI standards, TEMA and ASME section VIII code. AAHANA uses state-of –the art computer programs to perform the thermal-hydraulic and mechanical design of each feed water heater we fabricate. AAHANA designs and manufactures both low pressure and high pressure feed water heaters which may be installed either vertically or horizontally, depending on the plant design requirements.

Each AAHANA Feed water heater will contain from one to three separate heat transfer areas of zones including the Condensing, De-superheating and Sub-cooling zones. Our heaters can be provided with multiple zones within the shell side:

  • Condensing Zone – Included in all heaters, steam is condensed in this zone and non-condensable gases are removed.
  • Drain Cooling Zone – Reduces temperature of drains leaving the condensing zone to below the saturation temperature. AAHANA Giffard system is able to provide both fullflow and partial flow drain cooling zones to meet specific plant requirements. DC zones can be applied in any horizontal or vertical heater as needed to meet plant requirements.
  • Desuperheater Zone – Floating design and shielding at the tubesheet minimise thermal stresses. All operating cases are analysed to ensure wet wall conditions are prevented. DSH zones can be applied any horizontal or vertical heater as needed to meet plant requirements.
  • AAHANA’s engineers are always available to assist you in determining those design parameters and how they will impact performance in your power plant.
  • AAHANA understand the unique needs of the power generation industry and provides it feed water heaters that withstand years of rigorous service.

AAHANA’s engineers are always available to assist you in determining those design parameters and how they will impact performance in your power plant. Call today to experience the unique performance difference of AAHANA, from engineering to manufacturing to installation to longer and more reliable service life from your Feed Water Heaters.

AAHANA understand the unique needs of the power generation industry and provides it Feed Water Heaters that withstand years of rigorous service. All shell and tube heat exchangers, irrespective of the type of service for which they were designed, must withstand severe service conditions. The service life of feed water heaters, however, is one of the toughest because of the longevity and reliability factors inherent in power plant equipment designs.

AAHANA Feed Water Heaters are designed for specific thermal conditions and manufactured for a singular purpose. Whether it be sophisticated designs involving extreme superheat, abnormal flow conditions or dissipation of high energy fluids. In addition , AAHANA provides innovative and practical concepts to ensure peak heater performance from installation to testing through full or part-load operation.

We offer a multitude of design configurations for De-superheater and drains cooler zones as well as the latest in channel closure techniques. AAHANA has been melting the needs to the power generation industry for more than three decades. AAHANA’s quality makes the company the most respected supplier of heat transfer equipment.