Biomass CHP plant based on an ORC cycle and a newly developed fuzzy logic control system / Stadtwärme Lienz - EU-THERMIE demonstration project (Tyrol, Austria)
Relevant technical data
- Nominal electric capacity: 1.00 MW
- Nominal thermal capacities: 6.0 MW (thermal oil boiler) + 7.0 MW (pressurised hot water boiler) + 1.5 MW (heat recuperation in economiser)
- Start of operation: October 2001
Link: 
The ORC process
Biomass CHP Plant Lienz
- Fig. 1 – Click to zoom
Biomass CHP Plant Lienz - acts & facts
| Roofed storage capacity | 5,000 | m2 |
| Open storage capacity | 10,000 | m2 |
| Solar thermal collector | 630 | m2 |
| Nominal power thermal oil boiler | 6,000 | kW |
| Nominal power thermal oil ECO | 500 | kW |
| Nominal power pressurised hot water boiler | 7,000 | kW |
| Nominal power hot water ECO | 1,500 | kW |
| Nominal power oil boiler (peak load coverage) | 11,000 | kW |
| Maximum thermal power solar thermal collector | 350 | kW |
| Net electric power ORC | 1,000 | kW |
| Production of heat from biomass | 60,000 | MWh/a |
| Production of heat from solar energy | 250 | MWh/a |
| Production of electricity from biomass | 7,200 | MWh/a |
Biomass CHP Plant Lienz - acts & facts II
| Primary Energy | ||
| Bark, saw dust, wood chips from local saw mills | 90,000 | m2/a |
| Rural wood chips | 10,000 | m2/a |
| Investment costs | ||
| CHP plant | 7.7 | Mio € |
| District heating grid | 15.4 | Mio € |
Technological innovations
- First 1,000 kWel biomass combined heat and power plant based on the ORC-process worldwide
- First use of a specially developed heat recuperation system for thermal oil boilers to increase the electric efficiency
- Use of a Fuzzy Logic control for process optimisation
- Efficient, multi-stage flu gas cleaning system consisting of multi-cyclone, economiser and wet electrostatic precipitator combined with a flue gas condensation unit
Graphics
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Images
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Biomass CHP plant based on an ORC process - realised EU-demonstration project in Admont/Austria – PDF#0070
Presentation-Obernberger-ORCAdmont-2000-12-01.pdf • (575.22 kB)FUZZY LOGIC CONTROLLED CHP PLANT FOR BIOMASS FUELS BASED ON A HIGHLY EFFICIENT ORC PROCESS - EU DEMONSTRATION PROJECT LIENZ – PDF#0001
Heinz Reisinger*, Gerold Pointner*, Ingwald Obernberger**, Peter Thonhofer**, Erwin Reisenhofer**
*STADTWAERME LIENZ, Schulgasse 1, A-9900 Lienz, Österreich
**BIOS BIOENERGIESYSTEME GmbH, Inffeldgasse 21b, A-8010 Graz, Österreich
Report-ORCLienz-Thermie-2003-08-29.pdf • (1.15 MB)Biomasse-KWK auf Basis des ORC-Prozesses - Vorstellung der EU-Demonstrationsprojekte Holzindustrie STIA/Admont und Fernheizwerk Lienz (Österreich) – PDF#0004
Ingwald Obernberger*
*BIOS BIOENERGIESYSTEME GmbH, Inffeldgasse 21b, A-8010 Graz, Austria
STATE-OF-THE-ART AND FUTURE DEVELOPMENTS REGARDING SMALL-SCALE BIOMASS CHP SYSTEMS WITH A SPECIAL FOCUS ON ORC AND STIRLING ENGINE TECHNOLOGIES – PDF#0005
Ingwald Obernberger*, Henrik Carlsen**, Friedrich Biedermann*
*BIOS BIOENERGIESYSTEME GmbH, Inffeldgasse 21b, A-8010 Graz, Austria
**Technical University of Denmark, Section Energy Engineering, Dept. of Mechanical Engineering, Denmark