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ORC-Technology for Micro-CHP in combination with renewable energey resources

ORC-Technology for Micro-CHP in combination with renewable energey resources. Dipl.-chem. R. Niesner. Month 6 meeting in Potsdam, 04./05. of April 2005. 1. Short introduction of GMK Clausius-Rankine-Process 2.1. ORC 2.2. working fluids ECOCAL ® -Biomasseheizkraftwerk 3.1. Aufbau

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ORC-Technology for Micro-CHP in combination with renewable energey resources

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  1. ORC-Technologyfor Micro-CHP in combination with renewable energey resources Dipl.-chem. R. Niesner Month 6 meeting in Potsdam, 04./05. of April 2005

  2. 1. Short introduction of GMK Clausius-Rankine-Process 2.1. ORC 2.2. working fluids ECOCAL®-Biomasseheizkraftwerk 3.1. Aufbau 3.2. Aufbau ORC-Modul 4. Aims in R&D work Agenda

  3. Engineering and selling of combined heat and power stations up to 2 MWel Construction and Engineering Realisation Marketing Research and Developmend 1. Short introduction of GMK

  4. ECOCAL® ORC-power stations used heat of thermal oil circuit at a temperature level of 320°C. Primary heat is delivered by biomass firing. GEOCAL ORC-power stations used geothermal heat at a temperature level higher than 95°C. INDUCAL ORC-power stations used industrial waste heat or exhaust gases. 1. Short introduction of GMK - products

  5. 2. Clausius rankine process

  6. 2.1. ORC - organic rankine cycle

  7. Carbon compounds saturated (n-pentane) unsaturated (toluene) Fluorated carbon compounds perfluorated (perfluoropentane) partialy fluorated (Heptafluorpropane R227ea) Silicon oils Siloxane (Octamethyltrisiloxane) Ammonia (Kalina-Cycle) 2.2. Working fluids

  8. 3. ECOCAL®-Biomasseheizkraftwerk

  9. 3.1. Aufbau - allgemein • Biomassefeuerung • Brennstofflager und -zuführung • Brennkammer • Ascheaustrag • Thermalölkessel • Automatische Flugascheabreinigung • Thermalöl-Economizer • Thermalölverrohrung • ORC-Modul • Stromeinspeisung • Heizwärmeanschluß • Abgasstrecke • Staubabscheidung (Multizyklon, Elektrofilter) • Schornstein

  10. 3.2 Aufbau – ORC-Modul BM 1.500 Thermalölkreislauf Therminol 66Vorlauftemperatur 310°CRücklauftemperatur 220°CMassenstrom 42,0 kg/s Kühlkreislauf WasserkühlungVorlauftemperatur 90°CRücklauftemperatur 70°CMassenstrom 84,3 kg/s GeneratorAsynchron 1.800 kWel (F/F)Bruttoleistung 1.610 kWelDrehzahl 3.000 U/min 1 6 2 3 5 4 1 Turbine mit Generator (AFA 10), 2 Rekuperator, 3 Kondensator, 4 Speisepumpe, 5 Vorwärmer, 6 Verdampfer

  11. The market of ORC-moduls for biomass is rapidly growthing in the last 5 years (6 – 10 moduls per year). The power generation with geothermal heat by ORC technology increases constantly since 1985. Use of industrial waste heat and heat of exhaust gases has a high potential for CO2 reduction. Individual solutions for industrial waste heat Uses of exhaust gases to increase the efficiency of biogas engines (for instance approx. 55 kW is additionally produced for an 1-MW-engine) 4. Aims in R&D work

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