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NCC Ost
NürnbergMesse, Arbeitstitel, Datum
Chillventa CONGRESS 2018
INDUSTRIAL HEAT PUMPS IN AUSTRIACurrent status and future potential
V. Wilk, A. Arnitz, R. Rieberer
ENERGY USE IN AUSTRIA
Statistics Austria, STATcube – Statistische Datenbank von STATISTIK AUSTRIA, Nutzenergieanalyse 2016 (useful energy analysis), access 23.03.2018
Final energy consumption in Austria in 2016: 1 121 042 TJ
HEAT PUMP POTENTIAL IN AUSTRIA
406/11/2018
Statistics Austria, STATcube – Statistische Datenbank von STATISTIK AUSTRIA, Nutzenergieanalyse 2016 (useful energy analysis), access 23.03.2018
INDUSTRIAL HEAT PUMPS:
NOW AND THE FUTURE
Hartl et al. Österreichische Technologie- und Umsetzungsroadmap für Wärmepumpen, Berichte aus Energie- und Umweltforschung Nr. 8/2016, im Auftrag des
Bundesministeriums für Verkehr, Innovation und Technologie, June 2016
EXAMPLESFood, metal, plastics, power plants…
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Production of meat and sausages
FOOD INDUSTRY
• F. Krainer
• AMT Kältetechnik GmbH
• CO2 heat pump
• 2018
• Cooling capacity: 600 kW
• Heating capacity: 800 kW
• Heat source: brine, -6°C
• Heat sink: hot water for cleaning
purposes, 60°C
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Further details: D. Kraxner, AMT Kältetechnik GmbH, www.amt-kaelte.com
Dairy
FOOD INDUSTRY
• Berglandmilch eGen / Tirol Milch Wörgl
• Joint project with Stadtwerke Wörgl
• Installed by Frigopol in 2015
3 heat pumps with a total
• cooling capacity: 3.2 MW
• heating capacity: 4.2 MW
• Heat source: flue gas condensation and
chillers, up to 45°C
• Heat sink: 78°C, for district heating
8Photo: Frigopol Hochtemperatur-Wärmepumpen, http://www.frigopol.com/wp-content/uploads/54b8ce0cdfdd6.pdf
Further details: A. Baumhakel, Frigopol Kälteanlagen GmbH, www.frigopol.com
Brewery
FOOD INDUSTRY
• Puntigamer
• C&P Immobilien AG
• KELAG Energie&Wärme GmbH
2 heat pumps with a total heating capacity
of 1220 kW (Frigopol, installed in 2018)
• Heat source: ammonia chiller,
14-25°C
• Heat sink: 46 and 75°C, residential area
(Brauquartier Puntigam)
9Photo: https://www.puntigamer.at/brauereifuehrung/#lg=1&slide=6, 30.05.2018
Koglbauer, Zanker, District heating by heat recovery from the brewing process of the brewery Puntigam, ISEC 2018, Graz, p118-124.
Rolling Mill
METAL INDUSTRY
• Steel and rolling mill Marienhütte GmbH
• Energie Graz GmbH & Co KG
2 heat pumps (Friotherm) with a total
heating capacity of 11 MW
• Heat source: process waste heat
(cooling baths)
• Heat sink: district heating at 70 and
95°C, residential area (Graz City center
and Reininghaus)
10Photo: http://www.energie-graz.at/energie/fernwaerme/projekte/reininghaus , 10.05.2017
Unger, H., 2018, Energiemodell Reininghaus – Abwärmeauskopplung Marienhütte durch Energie Graz, Technischer Kurzbericht
Injection moulding
PLASTICS INDUSTRY
• Bergs Kunststofftechnik GmbH
• Ochsner Energietechnik GmbH
1 heat pump with a total heating capacity of
110 kW (2010)
• Heat source: process waste heat
(cooling water), 10-20°C
• Heat sink: 60°C, heating applications
11Further information: K. Ochsner, Ochsner Energietechnik GmbH, Ochsner-Straße 1, 3350 Haag
Wien Energie
POWER PLANTS
Power Plant Simmering (installed capacity
of 1.2 GWel / 1 GWth)
Start up by end of 2018
2 heat pumps with a total heating capacity
of 27-39 MW
• Heat source: cooling circuit of the power
plants, river water also possible, 6-27°C
• Heat sink: district heating, up to 95°C
12C. Segalla, Power 2 Heat Anwendungen für das Fernwärmenetz, Großwärmepumpenforum Vienna, May 2018.
Biomass cogeneration plant Klagenfurt East
POWER PLANTS
• Bioenergie Kärnten
• SOLID
• Riegler & Zechmeister
Absorption heat pump with a total heating
capacity of 20 MW (Ebara, installed in 2017)
• Heat source: Flue gas condensation,
45/35°C
• Heat sink: district heating, 60/70°C
• Driving temperatures: 130/120°CPhoto: https://www.solid.at/de/referenzen/absorptionswaermepumpe
Link: www.bioenergie-kaernten.at
Further information: M. Jeilter, Riegler & Zechmeister GmbH,
M. Schuber, S.O.L.I.D, Gesellschaft für Solarinstallation und Design GmbH
Heat sources:
• waste heat from chillers: ca. 30°C
• waste heat from process cooling (cooling water): ca. 50°C
• waste water: 20 – 40°C, also contaminated
• off gas: 60 – 80°C, high humidity, contaminated
Heat demand:
• process water: 50 – 80°C
• steam: 105 – 210°C
• air preheating, feed water preheating
Capacity:
• up to the MW range
WHERE TO USE HEAT PUMPS IN INDUSTRY?
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Planning process of industrial heat pumps:
• interaction of multiple stakeholders
Optimization of industrial sites:
• interaction of multiple heat suppliers, storages and consumers
• design optimization
• operation optimization
Method development:
• dynamic simulations: interaction of heat pump and process
• mathematical programming: complex and dynamic systems, discontinuous
processes
RESEARCH QUESTIONS:
PROCESS INTEGRATION
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INDUSTRIAL HEAT PUMPS:
NOW AND THE FUTURE
Hartl et al. Österreichische Technologie- und Umsetzungsroadmap für Wärmepumpen, Berichte aus Energie- und Umweltforschung Nr. 8/2016, im Auftrag des
Bundesministeriums für Verkehr, Innovation und Technologie, June 2016
WHY USING HEAT PUMPS IN INDUSTRY?
CO2 AND ENERGY COST REDUCTION
CO2 emissions electricity = 300 g/kWh, gas = 249 g/kWh, gas price= 3.8 ct/kWh, electricity non-household > 150 GWh/a = 5.4 ct/kWh, 20–70 GWh/a = 8.8 ct/kWh
Challenges:
• refrigerants
• temperature resistant materials
• heat sources with high temperatures
• pressure recovery
Requirements:
• reliability
• short payback time
RESEARCH QUESTIONS:
HIGH TEMPERATURE HEAT PUMPS
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• Develop viable solutions for upgrading idle waste heat streams to
process heat streams at higher temperatures up to 160C
• Key elements of the solution are three advanced high
temperature vapour compression heat pumps
=> two closed loop heat pumps for air drying processes and
=> one open loop heat pump for steam driven drying processes
DRYFICIENCY
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The project has received funding from the European Union’s Horizon 2020 programme for energy efficiency and innovation action under grant agreement No. 723576.
INCREASE OF COP WITH EJECTOR
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Layout with EjectorStandard layout
G. Drexler-Schmid et al.: Messung und Simulation einer 50 kW Butan-Hochtemperaturwärmepumpe mit Ejektor, DKV Tagung Kassel 2016.
THANK YOU!
Dr. Veronika Wilk
Sustainable Thermal Energy Systems
AIT Austrian Institute of Technology GmbH
Giefinggasse 2 | 1210 Vienna | Austria