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

michael.lauermann@ait.ac.at  http://www.ait.ac.atwww.dry-­f.eu