Pre-qualification for the turnkey delivery of district heating accumulator to Nuijala heat station (Espoo, Finland)

ature is 98°C. Design temperature 100°C. The top of the tank is equipped with a steam blanket blocking the air to get inside the tank. The design pressures (at the roof ) -500 Pa /+2500 Pa. The site is designed for 25,2 m wide (inner diameter) and ~40 m high steel tank. The maximum water level of wa

ter in the non-pressurized tank is 39,9 m. Tank roof is conical, 15° roof angle. Corrosion allowance1mm for wet parts. Tank roof is conical, 15° roof angle. Corrosion allowance1mm for wet parts. Insulation according to PSK 3707 (jacket 300