Energie mit Zukunft
Forschungsmag 2015 des Instituts für neue Energie-Systeme (InES) an der Technischen Hochschule Ingolstadt (THI)
Forschungsmag 2015 des Instituts für neue Energie-Systeme (InES) an der Technischen Hochschule Ingolstadt (THI)
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Projekt-Information<br />
Projektstart:<br />
Projektlaufzeit:<br />
Förder<strong>mit</strong>telgeber:<br />
Förderprogramm:<br />
Projektbudget:<br />
Ansprechpartner:<br />
2009<br />
3 Jahre<br />
Bayerisches Staatsministerium für<br />
Wissenschaft, Forschung und Kunst<br />
Bayerischer Forschungsverbund<br />
energieeffiziente Technologien und<br />
Anwendungen (BayFORETA)<br />
317.154 €<br />
Prof. Dr.-Ing. Wilfried Zörner (Projektleiter)<br />
Tel: 0841 / 9348 – 2270<br />
wilfried.zoerner@thi.de<br />
Dr. Christoph Trinkl<br />
Tel: 0841 / 9348 – 3720<br />
christoph.trinkl@thi.de<br />
Kooperationspartner:<br />
Herrnbräu GmbH & Co. KG<br />
Zott GmbH & Co. KG<br />
Abstract<br />
The focus of the research project<br />
entitled “Solar Thermal Energy in the<br />
Bavarian Food Industry“ was, with real<br />
data from industry partners (in this<br />
case the Ingolstadt brewery Herrnbräu<br />
and Zott dairy), to develop tailored concepts<br />
for solar thermal supported heat<br />
supply. A significant part of the project<br />
involved the integration of unused waste<br />
heat into the heat energy supply at<br />
low temperatures. Using simulations,<br />
the interaction between the solar thermal<br />
systems and other heat sources<br />
in the facility were carefully examined<br />
and matched through efficient delivery<br />
to the heating demands. In order to<br />
acquire an overall impression of the current<br />
situation of both partner facilities,<br />
an initial inspection of the brewery and<br />
dairy was undertaken and the findings<br />
analyzed. Based on the energy data,<br />
specific key figures regarding energy<br />
consumption and CO2 emissions were<br />
calculated. Eventually appropriate processes<br />
and applications regarding the<br />
general suitability for a supply with heat<br />
energy at lower temperatures (< 100°C)<br />
were identified. In breweries, for example,<br />
most processes and applications do<br />
indeed take place below 100 °C. In the<br />
dairy facility from the company Zott, this<br />
corresponded to approximately 90% of<br />
the heat energy demand of the process.<br />
Higher temperature demand was found<br />
in processes such as milk powder production<br />
and the processing of sterilized,<br />
long-life milk products, for example. Not<br />
only the temperature, but also duration<br />
of heating demand is a significant factor<br />
in solar thermal energy production.<br />
Based on the information gathered, the<br />
possibilities for the integration of heat<br />
sources at lower temperatures (e.g.<br />
waste heat recovery, solar thermal systems)<br />
could be properly investigated.<br />
33