1. ČVUT v Praze Fakulta stavební Katedra technických zařízení budov ČVUT v Praze Fakulta stavební Katedra technických zařízení budov Building Services Systems 20 District Heating

2. District heating Heat source Heat source Distribution network Distribution network Transfer plant Transfer plant Heating system Heating system Heat source Distribution Primary network Distribution Secondary network Transfer plant

3. Distribution network duct duct ductless ductless collector collector surface surface a)b)c)d)

4. Heat exchangers Tubular Tubular U-tubes U-tubes Kit Kit Plate Plate sealed and screwed sealed and screwed soldered soldered

5. Heat transfer plant Pressure dependent, water-water Pressure dependent, water-water

6. Heat transfer plant Pressure independent - water - water Pressure independent - water - water Consumer network Heat exchager Secondary network manifold Safety and expansion device

7. Heat transfer plant Pressure dependent - steam - steam Pressure dependent - steam - steam Condensate meter Secondary network manifold Reduction valve Condensate tank Repumping of the condensate Steam trap

8. Example of heat transfer plant water- water

9. Example of transfer plant