Heating Supply System of St. Petersburg, Russia

摘要

The heating system of St. Petersburg, Russia, operates as an open system (the domestic hot water is tapped directly form the heat- ing system). This is the greatest open system, which has no analogues in the world. This system was designed to reduce intensive corrosion provoked by the aggressive water. Most systems are connected to the heating network through heat- Ing centers. The advantages and disadvantages of these systems are dis- Cussed.