Thermally driven water chillers : Market status and new developments Daniel Mugnier TECSOL SA Aix les Bains 25/04/2006
Introduction The chiller is one the key element of the closed solar cooling systems. What are the main technologies and the market actors??! Absorption chillers :! H2O/LiBr!H2O/LiCl!NH3/H2O! Adsorption chillers :!Zeolithe/H2O!Silica gel/h2o
Market situation Adsorption 8% DEC 29% Absorption 63% Thermally driven chiller share : 71% Source : Task 38 survey ; 75 existing installations with detailed informations (chiller manuf.)
Adsorption Historical actors! 2 commercial systems (Japanese manufacturers)! Nishyodo (70-500 kw) => GBU GmbH! Maekawa (50-350 kw) => Mycom From 70 kw to several hundred kw... Source : UniklinikumFreiburg
New development Sortech (Germany) : 10 kw Nom. capacity : 10 kw - COP : 0,6 Generator temp. : 80/75 C Evaporator temp. : 6/12 C Condensor temp. : 30/35 C Weight in operation : 180 kg H2O/Zeolith H2O/Silicagel Silicagel => Zeolith Source : Sortech
Absorption! Lot of products > 100 kw (Carrier,MacQuay, Toshiba,Hitachi, Ebara, Sulzer Escher Wyss, Trane, LG, Mitsubishi, Entropie,York, Colibri)! Main chillers used in solar cooling systems : YAZAKI WFC SC 10 (35 kw) / Thermax (Spain) Single effect absorption chillers! New machines available on the market :! EAW (Westenfeld) : 15 kw! Sonnenklima (Berlin): 10 kw! Rotartica (Bilbao) : 4,5 kw! Climatewell (Sweden/Spain) : 10 kw! Pink (Austria) : 10 kw! Other developments FH Stuttgart/Ge, SolarFrost/Au, Aosol/Port,...
Absorption Broad 6% Climatewell 2% Pink 2% Others (Trane, LG ) 10% YAZAKI 40% Thermax 6% Rotartica 8% Sonnenklima 4% EAW 22% Solar cooling chiller «market» share Source : Task 38 survey ; 75 existing installations with detailed informations (chiller manufacturer)
Historical actor! YAZAKI WFC SC 10 : 35 kw Source : Yazaki H2O/LiBr And a new 17 kw chiller within the end of the year...
Historical actor! Thermax : 35 kw H2O/LiBr Source : Thermax
New actor! EAW (Westenfeld) : 15 kw Nom. capacity : 15 kw - COP : 0,71 H2O/LiBr Generator temp. : 80/90 C Evaporator temp. : 11/17 C Condensor temp. : 30/36 C Electric consump. : 300 W Weight in operation : 700 kg Source : EAW
New actor! EAW (Westenfeld) : 15 kw T recooling : 40 C H2O/LiBr Source : EAW
New actor! Sonnenklima (former Phönix Sonnenwärme, Berlin): 10 kw H2O/LiBr Nom. capacity : 10 kw - COP : 0,7 Generator temp. : 95/85 C Evaporator temp. : 12/16 C Condensor temp. : 27/35 C Electric consump. : 120 W Weight in operation : 550 kg Source : Sonnenklima
New actor! Sonnenklima (Berlin): 10 kw H2O/LiBr Source : Sonnenklima
New actor! Rotartica (Bilbao) : 4,5 kw H2O/LiBr Source : Rotartica
New actor! Climatewell (Sweden) : 10 kw H2O/LiCl 2000 -> 2007 Source : Climatewell
New actor! Climatewell (Suède) : 10 kw H2O/LiCl Source : Climatewell
New actor H2O/LiCl! Climatewell (Suède) : 10 kw Source : Climatewell
New actor NH3/H2O Pink (Austria) : Nom. capacity : 6-20 kw 2 first commerical installations in Sweden & Austria Contact with SolarNext Source : Pink
New developments Aosol (Portugal) Not yet commercialised Few information on the technical features NH3/H2O Source : Aosol
New developments NH3/H2O Solar Frost (Austria) : 2 kw Not yet commercialised Source : Solarfrost
New developments Robur (Italy) : NH3/H2O NOMINAL HEATING PERFORMANCES (1) Nominal heating output (hot water outlet temp. 50 C) kw 35.3 Outside air temperature dry/wet bulb C 7/6 G.U.E. heating efficiency based on gas consumption % 140 Outside air temperature dry bulb min/max C -20/35 Hot water inlet temperature min/max C 2/50 Maximum hot water outlet temperature (T=50 C) COOLING PERFORMANCES (2) Nominal cooling output (chilled water outlet temp. 7 C) C 60 kw 16.9 Outside air temperature C 35 G.U.E. cooling efficiency based on gas consumption % 67 Outside air temperature min/max C 0/45 Chilled water inlet temperature min/max C 6/45 Minimal chilled water outlet temperature C 3 GENERAL DATA Nominal thermal input (burner) kw 25.7 Nominal electrical wattage drawn (230V-50Hz) kw 0.9 Source : Robur
New developments Broad double effect chiller : R&D H2O/LiBr Future demo installation in France (Cartech/CNRS), Perpignan
New developments Broad double effect chiller R&D H2O/LiBr Direct gas BZH chiller Hot water BCT chiller
Machine & system distribution
Conclusion * Thermally driven chillers : central position in solar cooling systems * A growing «market» with several actors * Interesting developments and concepts * Next steps : - organisation of the sector? www.iea-shc-task38.org - reduction of costs, adaptation to technical specificity of solar cooling * To know further on these new actors of the solar cooling world. THE NEXT FRENCH EVENT
DERBI Renewable Energy conference : Perpignan, 31 st 2 nd June 2007 Solar cooling Workshop : Friday 1 st June, 11. am Content : Solar cooling market data and future trends Participants : - Arsenal Research (Austria) - Spain (Aiguasol) - Climatewell (Sweden/Spain) - Schüco (Germany/France) - Sonnenklima (Germany/France) - TECSOL (France) Per Olofson, CEO