meet increasing need for air conditioning by using renewable energies most efficiently!
SK SonnenKlima is one of the pioneers for absorption chiller for solar cooling The technical principle is easy and well known
Idea
suninverse
System
State of
The innovation lies in small units with low driving temperatures
development
Solar chillers usually need driving temperatures over 100°C , therefor they can only be run by expensive high efficiancy evacuated tubes. The solar chiller of SonnenKlima GmbH needs driving temperatures under 60°C, the nominal output of 10 kW is achieved by 75°C. That makes it suitable for small applications with flat plate collectors.
State of development history Until 2000 ZAE Bayern develops a functional absorption chiller model which is designed to run with low driving temperatures,.suitable for solarthermal systems Idea
suninverse
System
State of development
From 2001 Phönix SonnenWärme AG develops a solar cooling system in cooperation with ZAE Bayern and TU Berlin (3-year EU-project) 2003 Phönix SonnenWärme AG secures the economic utilization of the developments based on license agreements 2004 Rights are secured by patents for important details 2005 4th generation prototypes start running in demonstration projects 2006 Founding SK SolarKlima GmbH
Absorption chiller
Idea
suninverse
System
State of
80
mm
1925 mm
694 mm
10
development
Operational results (15°/18°) - configuration Operational results for fan-coils with low driving temperatures:
Idea
suninverse
Driving temperatures: 60 -95°C @1,2m³/h
Chilled water 13-15°C @ 2,9m³/h
System
State of development
Reject heat at maschine inlet 27°C, outlet 29°C to 39°C @2,6m³/h
Operational results (15°/18°) - summary of the measurements -
Idea
suninverse
System
State of development
Operational results (6°/9°) - configuration Operational results for fan-coils with low driving temperatures:
Idea
suninverse
Driving temperatures: 60 -95°C @1,2m³/h
Chilled water 5-9°C @ 1,2-2m³/h
System
State of development
Reject heat at maschine inlet 27°C, outlet 29°C to 35°C @2,6m³/h
Operational results (15°/18°) - summary of the measurements -
Idea
suninverse
System
State of development
Transient operation with fan-coils and flat plate collectors (09 / 2005)
Transient operation with fan-coils and flat plate collectors (09 / 2005)
Idea
suninverse
System
State of development
Application system: general 1.
Idea
Possible heat sources: •
solarthermal
•
district heating
•
CHP
suninverse
System
2.
Solar Absorption Chiller
3.
Cold distribution
State of development
Solar cooling Solar cooling since 2003: • Solar cooling Phönix Sonnenwärme AG since 2003 • Solar cooling DBU project Osnabrück since July 2005 Idea
suninverse
System
Topics: control development
State of development
flat plate collectors vacuum tubes wet cooler development air handling ceiling fan coils purge System
Cooling by district heating District heating since June 2005
Idea
suninverse
System
Topics: control development
State of development
hydraulics wet cooler monitoring air handling ceiling purge System
operational results and experiences
Idea
•
About 6.000 operation hours
suninverse
•
Long term operation of purge system proved
•
COP and performance data proved
•
Control solutions for different systems
•
Remote supervision system
System
State of development
SK SonnenKlima GmbH
• Founding 25. September 2006 • Share capital 25.000 € Idea
suninverse
System
State of development
• Shareholder •
PHÖNIX SonnenWärme AG
•
Enus GmbH
• Management -
Dr. Georg Buchholz
• Technical staff -
Frank Göbel
-
Volker Clauß
Contact
SK SonnenKlima GmbH Dr. Georg Buchholz Frank Göbel Volker Clauß Am Treptower Park 28-30 D-12435 Berlin Tel: 030 / 53 0007 272 Tel: 030 / 53 0007 233 Fax: 030 / 53 0007 17
