Large Heat Pumps in Europe - High temperature heat pumps ...
Transcript of Large Heat Pumps in Europe - High temperature heat pumps ...
Grant Agreement No 723576 - Energy Efficiency Innovation
Action H2020-EE-2016-2017
www.dry-f.eu
Large Heat Pumps in Europe -High temperature heat pumps for drying
DryFiciency
Grant Agreement No 723576 – Energy Efficiency
The DryFiciency Partners
Austrian Institute of Technology, Project Coordinator
Bitzer KühlmaschinenbauGmbH, Germany
EPCON Evaporation Technology AS, Norway
European Heat Pump Association, Belgium
ROTREX AS, Denmark
AGRANA STÄRKE GmbH,Austria
Chemours Deutschland GmbH, Germany
Fuchs Europe Schmierstoffe GmbH, Germany
SINTEF ENERGI AS, Norway
RTDS Association, Austria
Mars GmbH, Germany
Wienerberger AG, Austria
Grant Agreement No 723576 – Energy Efficiency
Motivation
§ to lead the European energy intensive industry to high energy efficiency and a reduction of fossil carbon emissions
§ to foster competitiveness, improve security of energy supply and promote sustainable production in Europe.
§ By making use of waste heat potentials of industrial drying and dehydration processes, the most energy intensive and wide-spread processes in a number of industrial sectors
Copyrght: Agrana
Grant Agreement No 723576 – Energy Efficiency
Motivation
Final Energy Consumption, EU-28 (Eurostat, 2014)
Transport33.2%
Industry25.9%
Households24.8%
Services13.3%
Agricultureand forestry
2.2%
Other0.6%
Grant Agreement No 723576 – Energy Efficiency
Motivation
Transport33.2%
Industry25.9%
Households24.8%
Services13.3%
Agricultureand forestry
2.2%
Other0.6%
Final Energy Consumption, EU-28 (Eurostat, 2014)
Grant Agreement No 723576 – Energy Efficiency
Motivation
100% Final Energy Consumption in Industry
25% Industrial Drying
85% Convective Drying
99% Without Heat Recovery
(Source: Mujumdar, Arnu S., Handbook of Industrial Drying, 2014)
Grant Agreement No 723576 – Energy Efficiency
Motivation
Grant Agreement No 723576 – Energy Efficiency
Motivation
Grant Agreement No 723576 – Energy Efficiency
Motivation
0
0.5
1
1.5
2
2.5
Conventional Conventional (advanced)
Heat Pump Heat Pump (advanced)
Energy Consumption for Drying
SEE
(Spe
cific
Ener
gy o
f Eva
pora
tion)
in k
Wh/
kg-w
ater
(Source: Mujumdar, Arnu S., Handbook of Industrial Drying, 2014)
- 83% - 95%
- 67% - 90%
Grant Agreement No 723576 – Energy Efficiency
Key goals of DryFiciency
§ Reduction of specific energy consumption by 60-80 % for drying/dehydration/evaporation processes, by recovering of waste heat
§ Phase-in of renewable energy sources into thermal processes ideally resulting in CO2-free production
§ Development of cost-efficient high temperature industrial heat pumps for industrial thermal processes with minimum global warming potential (GWP) & minimum negative environmental impact
§ Increasing competitiveness of the European industry§ Become the leading pioneers by being the first to deliver to
market
Grant Agreement No 723576 – Energy Efficiency
Required Temp. ºC
180
Motivation
Manufacturer Refrigerant Max. Temp. ºC
Cofely Refrigeration R717, R134a
»100
Combitherm R134a, R245fa
Friotherm Different
GEA Refrigeration R717
Hybrid Energy R717, R718
Johnson Controls R410A, R134a, R245fa
KKT Chillers
Klima Jentzsch Different
KWT/Viessmann Different
Mayekawa R717
Ochsner R134a, R407C, Öko1
Oilon Scancool R410A, R134a
Star Renewable Heating R717
Thermea R744
(Source: Wolf, S., Chancen und Risiken von Industrie WP, Chillventa, 2014)
Grant Agreement No 723576 – Energy Efficiency
Technical objective of DryFiciency
§ To elaborate technically and economically viable solutions for upgrading idle waste heat streams to process heat streams at higher temperature levels up to 180°C
§ Key elements of the solution are two advanced high temperature vapour compression heat pumps
à a closed loop heat pump for air drying processes up to 160ºC and
à an open loop heat pump for steam driven drying processes up to 180ºC
Grant Agreement No 723576 – Energy Efficiency
Pilot 1: Brick Drying at Wienerberger
Drying chamber
Exhaust air
Dryingair
19 t/h @115 °C
27 t/h @160 °C
Burner 418 kW
Supply air
19 t/h @55 °C
Recirculation air8 t/h @55 °C
Heatpump
Drying chamber
27 t/h @90(max.160) °C
27 t/h @70 °C
30 t/h @93(max. 163) °C
44 t/h @44 °C
237 kWel
Supply air = Recirculation air
Hot media cycle
Cold media cycle
05
1015202530
end energy savings (GWh) primary energy savings (GWh) CO2 savings (Mt-CO2/a) cost savings (%/kg-Product)
Wienerberger Agrana Mars
05
1015202530
end energy savings (GWh) primary energy savings (GWh) CO2 savings (Mt-CO2/a) cost savings (%/kg-Product)
Wienerberger Agrana Mars
Grant Agreement No 723576 – Energy Efficiency
05
1015202530
end energy savings (GWh) primary energy savings (GWh) CO2 savings (Mt-CO2/a) cost savings (%/kg-Product)
Wienerberger Agrana Mars
05
1015202530
end energy savings (GWh) primary energy savings (GWh) CO2 savings (Mt-CO2/a) cost savings (%/kg-Product)
Wienerberger Agrana Mars
Dry product
Flow streamdryer
Drying airExhaust air
SteamWet product 196 t/h @158 °C
8736 kW
196 t/h @13 °C732 kW
158 t/h @90 °C
Hot water (HRC)
HRC158 t/h @70 °C
196 t/h @90 °C5009 kW
109 t/h @160 °C
Heatpump241 kWel
Dry product
Flow streamdryer
Drying airExhaust air
Wet product
196 t/h @13 °C 732 kW
Steam3727 kW
196 t/h @158 °C 8736 kW
Pilot 2: Starch Drying at Agrana
Grant Agreement No 723576 – Energy Efficiency
05
1015202530
end energy savings (GWh) primary energy savings (GWh) CO2 savings (Mt-CO2/a) cost savings (%/kg-Product)
Wienerberger Agrana Mars
05
1015202530
end energy savings (GWh) primary energy savings (GWh) CO2 savings (Mt-CO2/a) cost savings (%/kg-Product)
Wienerberger Agrana Mars
Wet product10t/h @90°CM.C 25%
Dry product8 t/h @105°CM.C 5%
SuperheatedSteam dryer
Fan
Heater
Excess steam2 t/h @100°C1200kW
50 t/h @110°C
50 t/h @180°C1200kW
SuperheatedSteam dryer
Fan
20 t/h @110°C
Water 1 t/h @100°C
650kWsensible
20 t/h @155°C
600kWlatent
1 t/h @100°C
2 stagecompressor
140 kWel
600kWlatent
@155°CWet product5t/h @90°CM.C 25%
Dry product4 t/h @105°CM.C 5%
Pilot 3: Pet Food Drying at Mars
Grant Agreement No 723576 – Energy Efficiency
Summary and next steps
§ Adaption of components (end of 2017)
§ Heat Pump development (beginning of 2018)
§ On site Integration (end of 2018)
§ Demonstration phase (2019 - 2020)
Grant Agreement No 723576 – Energy Efficiency
Project contacts
Coordination:
Dr. Michael Hartl
Dr. Michael LauermannResearch EngineerEnergy DepartmentSustainable Thermal Energy Systems
AIT Austrian Institute of Technology GmbHGiefinggasse 2 | 1210 Vienna AustriaT +43 50550 - 6414M +43 664 88390714
[email protected] http://www.ait.ac.atwww.dry-f.eu