Thermal Process Engineering Energy optimization of industrial sites
- Slides: 6
Thermal Process Engineering Energy optimization of industrial sites Ala Modarresi Anton Friedl amodarre@mail. zserv. tuwien. ac. at Achema 2012 Institute of Chemical Engineering page 1
Thermal Process Engineering Energy optimization of industrial sites § Data extraction and analysis § Heat Exchanger Network (HEN) optimization § HEN synthesis software „TVTHENS“ for industrial-scale problems* § New process technologies § Absorption chillers/heat pumps simulation with „TRNSYS“ § Renewable energy systems § Geothermal/solar thermal systems simulation with „TRNSYS“ [*] A. Modarresi, A. Miltner, A. Friedl, M. Wiesinger, BESTENS AUSGENUTZT, Chemie Technik, 04 (2011), pp. 64 -66 Achema 2012 Institute of Chemical Engineering page 2
Thermal Process Engineering Energy optimization of industrial sites § Heat exchanger network optimization • Pinch analysis • Grand Composite curves • Exergy block diagram • Maximum heat integration and minimum * Utilities demand ENS • Targeting • Minimization of the Utilities demand • Heat load distribution • Minimization of the number of heat H T V T ode of c s e 0 lin 0 0 ica an 6 t h a t m e Mor athe M in exchangers • HEN Optimization • Simultaneous minimization of the Utilities demand number of heat exchangers as well as minimization of overall heat exchange area • Retrofit [*] A. Modarresi, P. Kravanja, A. Friedl, Pinch and exergy analysis of lignocellulosic ethanol, biomethane, heat and power production from straw, Applied Thermal Engineering, 2012, http: //dx. doi. org/10. 1016/j. applthermaleng. 2012. 01. 026 Achema 2012 Institute of Chemical Engineering page 3
Thermal Process Engineering Energy optimization of industrial sites Prepared data Pinch analysis Mixed Integer Linear Program Extracted data Heat exch. network Achema 2012 Institute of Chemical Engineering page 4
Thermal Process Engineering Energy optimization of industrial sites § New process technologies and renewable energy systems § Simulation of geothermal/solar thermal assisted absorption chillers/heat pumps imulation TRNSYS S Achema 2012 Institute of Chemical Engineering page 5
Thermal Process Engineering Energy optimization of industrial sites Solar thermal energy Simulation Heat pump Absorption Chiller Geothermal energy Acknowledgements The project is supported by the “Klima- und Energiefonds“(NEUE ENERGIEN 2020) and the “FFG“ as well as by the „Lenzing Fibers Gmb. H“. www. klimafonds. gv. at Achema 2012 Institute of Chemical Engineering page 6