District heaters are used for heating of the district water. The heater consists of tube bundles made of U-tubes or straight tubes, shell and water chamber. The district heater design is based on thermodynamic calculations, using Doosan Škoda Power’s custom made software and internationally recognized design standards.
Design according to EN standards, ASME code, AD Merkblatt, HEI Standard, TEMA Standard.
Tube bundle arrangement
Internal surfaces arrangement
- Drain sub-cooling zone
- Full flow pass or partial flow pass
- Condensing zone
- Longitudinally welded stainless steel (choice of steel grade is based on the quality of cooling water)
Angular neck’s up to turbine outlet nozzle are optionally in scope of District Heaters supply. Heater placement may be either fixed or on spring supports (optionally expansion joint may be used).