Solar Thermal Application in Industry

Transcription

1 Solar Thermal Application in Industry AHK Conference Johannesburg, South Africa, 30 th May Dr. Uli Jakob Solem Consulting Johannesburg, South Africa,

2 Global solar radiation kwh/m 2 /a Germany: 1,000 kwh/m 2 /a South Africa: 2,000 kwh/m 2 /a Source: Meteonorm (data), Friedemann Jung

3 Solar thermal collectors for process heat and cooling Volumetric air Flat plate Evacuated tube Source: Fraunhofer ISE Parabolic trough Source: Wagner & Co Fresnel Source: Ritter XL Solar Source: Smirro Source: Industrial Solar

4 Temperature ranges for process heat and cooling C Large troughs and Fresnel Utility scale power Generation Industrial Process Heat C Small troughs and Fresnel Industrial Process Heat Solar Cooling (double-, triple-effect H 2 O-LiBr) Commercial Water Heating Distributed Power Generation C Vacuum tube CPC Collectors Solar Cooling (single-effect NH 3 -H 2 O) Low Temperature Process Heat C Source: Industrial Solar Flat Plate Collectors Domestic Water Heating Space Heating Solar Cooling (single-effect H 2 O-LiBr, -Silica gel, -Zeolite)

5 Opportunities Solar thermal energy in Germany German technology leaders (selected examples): Process Heat and CSP players Engineering and services: 11 companies Component suppliers: 28 companies Implementation: 3 companies Research institutes: 3 institutes Solar Cooling players Engineering and services: 3 companies Component suppliers: 13 companies Implementation: 3 companies Research institutes: > 10 institutes Source: Prof. Dr. Kohlenbach, Solem Consulting

6 Solar Process Heat

7 Industrial Energy Consumption 2/3 of industrial end energy consumption is thermal energy 1/3 of the industrial process heat demand is below 200 C Lighting Space heating Hot Water Mechanical energy < 200 C Process Heat

8 General scheme of solar process heat system Source: JER

9 Solar process heat installations in Europe (2015) Source: JER, Data from AEE Intec Approx. 85 installations with a total capacity of 20 MW th

10 Solar process heat collector types in Europe (2015) Source: JER, Data from AEE Intec

11 Collector size of installed SHIP systems in Europe (2015) Source: JER, Data from AEE Intec

12 World map of solar process heat specialists (2017) Source: solrico 71 suppliers of turnkey SHIP systems in 22 countries More than 500 installations worldwide (280 MW th )

13 Cost of solar process heat System components: Solar collectors (air / flat plate / vacuum / parabolic trough / Fresnel) Mounting system Puffer storage Piping, heat exchangers, insulation, etc. Control system Hydraulic integration in the process Specific costs (net): of a solar process heat system based on gross collector area m 2 : EUR/m 2 > m 2 : EUR/m 2 Source: Solem Consulting

14 REEMAIN study on solar process heat potential in Europe Source: REEMAIN (2016) Thermal output of 0.2 MW th at 80 C process temperature for a continuous process of a small company or a sub-process of a large company

15 Industry specific potential of solar process heat Source: Uni Kassel (2011)

16 Market segments of solar process heat Source: IEA SHC Task 49

17 Potential of solar process heat According to a study by the International Energy Agency (IEA) the volume of the European market for solar process heat is > 100 Billion EUR Still small production volumes rather high prices, cost reduction expected with growing production volumes Huge market potential, but market has to be developed

18 SHIP Application (Galvanic, Germany, 221 m 2 ) Source: Ritter XL Solar

19 SHIP Application (Meat production, Austria, MW th ) Source: Fleischwaren Berger, Solera

20 SHIP Application (Dairy, Spain, 1 MW th solar steam) Source: Solera

21 SHIP Application (Eco-Paintshop for car industry) Source: Industrial Solar

22 Solar Cooling

23 Solar cooling Solar resource vs. Cooling demand Resource and demand are in phase Global radiation Cooling demand Heat demand Excess solar heat in summer Source: SolarNext

24 Solar collector technologies Applications for solar cooling Solar thermal collector Heat transfer medium Collector temperature Application for cooling Air collector Air 40-60ºC Air-conditioning 20ºC Flat plate collector Water, Water-Glycol 70-90ºC Air-conditioning, slab cooling 15ºC Evacuated tube collector Water, Water-Glycol ºC Air-conditioning, slab cooling 0ºC Parabolic trough / Fresnel collector Thermal oil, Water ºC Refrigeration, air-conditioning, slab cooling -20ºC

25 General scheme of a solar cooling system collector field M Cooling water heat exchanger hot water storage tank M heating system absorption chiller M M cooling tower fan-coils Source: Solem Consulting compression chiller cold water storage tank Solar Hot water Chiller(s) Chilled water

26 Development of Solar Cooling Market Source: TECSOL / Solem Consulting

27 specific costs of solar cooling kits [EUR/kW cold] Cost development of solar cooling Kits ( ) 9000 Source: Solem Consulting / Green Chiller % year small capacity up to 10 kw medium capacity up to 50 kw large capacity above 50 kw Cost reduction of 45-55% within last 5 years!

28 Commercial available standardised solar cooling kits SolarNext (Germany) chillii Cooling Kit WFC175 Schüco (Germany) LB15 System Package Source: SolarNext Source: Schüco

29 SAC Application (Cosmetic industry, Greece, 700 kw c ) Sources: Sarantis

30 SAC Application (Winery, Tunisia, 12 kw c ) Sources: ANME Source: Domaine Neferis

31 Further information

32 Links BMUB funded Solar Payback project Solar Heat for Industry (involved countries Brazil, Mexico, India and South Africa) SHIP plant database ( EU funded SHIP projects InSun, FRESH NRG, REEMAIN ( IEA SHC Task 49 on Solar Process Heat ( IEA SHC Task 48 and Task 53 on Solar Cooling (

33 Thanks for your attention! AHK Conference Johannesburg, South Africa, 30 th May Contact: Dr. Uli Jakob Solem Consulting