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
h t i l eo Z / O H2 l e g ca i l i /S O H2
Evaporator temp. : 6/12°C Condensor temp. : 30/35°C Weight in operation : 180 kg
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) / Single effect absorption chillers
Thermax (Spain)
! 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 Climatewell 2%
Broad 6%
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
r B i /L O H2
And a new 17 kW chiller within the end of the year...
Historical actor… ! Thermax : 35 kW
r B i /L O H2
Source : Thermax
New actor… ! EAW (Westenfeld) : 15 kW
Nom. capacity : 15 kW - COP : 0,71
r B i /L O H2
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
r B i /L O H2
Source : EAW
New actor… ! Sonnenklima (former Phönix Sonnenwärme, Berlin): 10 kW
r B i /L O H2 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
r B i /L O H2
Source : Sonnenklima
New actor… ! Rotartica (Bilbao) : 4,5 kW
r B i /L O H2 Source : Rotartica
New actor… ! Climatewell (Sweden) : 10 kW
l C i /L O H2
Source : Climatewell
2000 -> 2007
New actor…
! Climatewell (Suède) : 10 kW
l C i /L O H2
Source : Climatewell
New actor…
l C i /L O H2
! Climatewell (Suède) : 10 kW
Source : Climatewell
New actor… Pink (Austria) :
N
O 2 /H 3 H 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
N
O 2 H / H3
Source : Aosol
New developments N
O 2 H / 3 H
Solar Frost (Austria) : 2 kW
Source : Solarfrost
Not yet commercialised
New developments Robur (Italy) :
N
O 2 /H 3 H
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)
°C
60
Source : Robur
COOLING PERFORMANCES(2) Nominal cooling output (chilled water outlet temp. 7°C)
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
Nominal thermal input (burner)
kW
25.7
Nominal electrical wattage drawn (230V-50Hz)
kW
0.9
GENERAL DATA
New developments Broad double effect chiller : R&D
r B i /L O H2
Future demo installation in France (Cartech/CNRS), Perpignan
New developments Broad double effect chiller R&D
r B i /L O H2
Direct gas BZH chiller
Hot water BCT chiller
Machine & system distribution
Conclusion * Thermally driven chillers : central position in solar cooling systems rg o . 8 3 k s a * A growing « market » with several actors -t c h s ae i . www
* Interesting developments and concepts * Next steps : - organisation of the sector ?
- 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, 31st – 2nd June 2007 Solar cooling Workshop : Friday 1st 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
