06.07.2015 Aufrufe

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

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