dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

MicroCHeapcontract

TH/Asia Pro Eco/05 (101302)

opening remarks by DGS-PresidentJan Kai Dobelmann

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

WP 5 in the project framework

WP4: Co-ordination of European research activities

Will exchange information with WP2, WP3 and WP5, and feed information to WP6

WP2: Elaboration of the current state of the art and market size

Will exchange information with WP3 and WP4 and feed information to WP6

WP3: Mapping of current research activities and centres of excellence

Will exchange information with WP2 and WP4, and feed information to WP5 and WP6

WP5: Investigation of links between renewable energy systems and micro-CHP

Will receive input from WP2 – WP4, and feed information to WP6

WP6: Technology transfer and staff secondments

Will make use of results from WP2 – WP5

Start Month 13

End Month 30

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Tasks of the partners I

Work package number: 5 Start date or starting event: Month 13 Title: Investigation of links between renewable energy systems and micro-CHP

Leader: DGS

Participant ID Person-months

Partner roles

DGS 3 Co-ordinate all technological investigation, to ensure no duplication between partners. Lead analysis of technologies to highlight the most promising systems. Investigate technologies that can be linked to geothermal, and solar systems

EC NET 1.5 Lead consideration of industrial, and market relevance of potential technologies. Cost analysis of technologies compared to existing micro-CHP systems and modern central heating systems

BTG 2.5 Specification of the most promising biomass conversion systems to be linked with micro-CHP. Documentation of the potential for liquid biofuels to be used within micro-CHP engine systems

CRES 1.25 Investigation of the potential for biomass to be linked with fuel cells. Documentation of biomass to hydrogen conversion systems

STSL 0.5 Evaluate the potential of non-Stirling combustion engines to be developed into renewable micro-CHP systems. Aid in the analysis of technologies for their industrial potential

FHG-ISE 1 Evaluate potential of low band-gap photovoltaic cells for the conversion of heat radiation into electricity

EAT 1 Aid in the consideration of technologies for their industrial and market potential. Consider highlighted technologies with regards to market trends and predicted future market scenarios and energy pricing

GAIA 0.5 Aid in the evaluation of technologies with regards to market trends and future scenarios

ECN 0.75 Investigate the potential for existing types of Stirling engines for the potential to be linked with new renewable energy systems. To highlight technologies that aid the integration of Stirling engines with renewable systems

LUND 0.9 Aid ECN in the investigation of Stirling engines, renewable energy systems, and integration technologies

CHALEX 0.75 Investigate the potential for thermoelectric technology to be integrated into micro-CHP systems

UB 0.75 Investigation for the potential of biogas within existing micro-CHP systems CODES 2 Planning of format for work package review. Collection of information,

preparation of documentation, and distribution to partners. Distribute documentation through appropriate dissemination channels

ISET 0.25 Assist DGS and FHG-ISE with analyses of solar technologies DK TEKNIK 0.5 Evaluate potential of straw and other biomasses as fuels for CHP and micro-

CHP systems BEAMA 0.5 Contribution from SME perspective and dissemination AUE 0.25 Assist DK TEKNIK with its tasks AF

0.5 Micro-CHP, small-scale combustion, renewable fuels

ASTON 0.5 Assist DK TEKNIK with its tasks ARMINES 0.75 Contribution of expertise relating to advanced modelling of complex energetic

systems TOTAL 19.65 Labour cost (€) 127,560

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Tasks of the partners II

Work package number: 5 Start date or starting event: Month 13 Title: Investigation of links between renewable energy systems and micro-CHP

Leader: DGS

Participant ID Person-months

Partner roles

DGS 3 Co-ordinate all technological investigation, to ensure no duplication between partners. Lead analysis of technologies to highlight the most promising systems. Investigate technologies that can be linked to geothermal, and solar systems

EC NET 1.5 Lead consideration of industrial, and market relevance of potential technologies. Cost analysis of technologies compared to existing micro-CHP systems and modern central heating systems

BTG 2.5 Specification of the most promising biomass conversion systems to be linked with micro-CHP. Documentation of the potential for liquid biofuels to be used within micro-CHP engine systems

CRES 1.25 Investigation of the potential for biomass to be linked with fuel cells. Documentation of biomass to hydrogen conversion systems

STSL 0.5 Evaluate the potential of non-Stirling combustion engines to be developed into renewable micro-CHP systems. Aid in the analysis of technologies for their industrial potential

FHG-ISE 1 Evaluate potential of low band-gap photovoltaic cells for the conversion of heat radiation into electricity

EAT 1 Aid in the consideration of technologies for their industrial and market potential. Consider highlighted technologies with regards to market trends and predicted future market scenarios and energy pricing

GAIA 0.5 Aid in the evaluation of technologies with regards to market trends and future scenarios

ECN 0.75 Investigate the potential for existing types of Stirling engines for the potential to be linked with new renewable energy systems. To highlight technologies that aid the integration of Stirling engines with renewable systems

LUND 0.9 Aid ECN in the investigation of Stirling engines, renewable energy systems, and integration technologies

CHALEX 0.75 Investigate the potential for thermoelectric technology to be integrated into micro-CHP systems

UB 0.75 Investigation for the potential of biogas within existing micro-CHP systems CODES 2 Planning of format for work package review. Collection of information,

preparation of documentation, and distribution to partners. Distribute documentation through appropriate dissemination channels

ISET 0.25 Assist DGS and FHG-ISE with analyses of solar technologies DK TEKNIK 0.5 Evaluate potential of straw and other biomasses as fuels for CHP and micro-

CHP systems BEAMA 0.5 Contribution from SME perspective and dissemination AUE 0.25 Assist DK TEKNIK with its tasks AF

0.5 Micro-CHP, small-scale combustion, renewable fuels

ASTON 0.5 Assist DK TEKNIK with its tasks ARMINES 0.75 Contribution of expertise relating to advanced modelling of complex energetic

systems TOTAL 19.65 Labour cost (€) 127,560

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

WP5 Objectives + Results

Objectives:• To identify renewable energy technologies to be combined with micro-CHP systems• To assess the market feasibility of new renewable micro-CHP systems in comparison with systems analysed in WP1• To steer future research in micro-CHP towards sustainable energy systems

Deliverables:

D21 Documented review of technological links to renewable energy systems and market potential (Month 30)

Expected results and corresponding milestones:

M5.1 Identification of suitable technologies for investigation (Month 18)

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

WP 5 description of work

Description of work:

• identify technologies for new renewable micro-CHP systems or conversion with renewable energy sources. • Basis on information from WP1 and WP2.• Technology criteria:Efficiency of energy conversion, Cost of production, Reliability and maintenance, Cost of integration, Environmental benefits and impact, payback time, costs of energy production outlined within WP, existing research recorded within WP2 • Feasibility studies on new or converted technologies. • Evaluation of the results for overcoming the barriers of implementation highlighted within WP1.

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Vision: Bio-Solar Cogeneration

-Technische und wirtschaftliche Betrachtungen-

vorgestellt: von Dipl.- Ing. Gunnar Böttger

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Holzgasauto nach dem 2. Weltkrieg

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Funktionsprinzip Holzgasentstehung

Trocknung: Entstehung von Wasserdampf Temperatur: 100°C - 200°C

Pyrolyse: Entgasung und thermische Zersetzung Temperaturen: 300°C - 600°C, =0

Oxidation: Oxidation des Kohlenstoffs und Wasserstoffs Temperatur über 600°C

Reduktion: Entstehung des eigentlichen Holzgases durch die Reduktion der Oxidationsprodukte CO2 und H2O an der glühenden Kohle

Temperatur ca. 500°C

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Funktionsprinzip Holzgasentstehung

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Aufbau eines Joos-Vergasers

Eingabetrichter (1) Schneckenförderer (2) Reaktor (3)

Zyklon (4) Wärmetauscher (5)

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Funktion, Energie und Stoffströme

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Modell einer Vergasungsanlage

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Messdaten: 200 h - Dauertest

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Wassergehalt des Versuchholzes

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

spezifischer Energieertrag kWh/m³

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Ergebnisse Dauertest

• Verfügbarkeit von 100 %• konstante Leistungsabgabe während der 200 stündigen

Versuchsphase • optisch keinerlei Teerbeläge in der Gasführungsstrecke • pro Kubikmeter Holzhackschnitzel wurden knapp 200

kWh Strom erzeugt • Ascheanfall: im Zyklon ca. 30 l/d

in den Kiesfiltern ca. 5 l/d• Schlammanfall: im Wasserbadfiltersystem 0,5 l/d bis 2

l/d

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Wirtschaftliche Betrachtung

• Annahmen für die Wirtschaftlichkeitsberechnung:

• Zinssatz: 8% bei einem vollkommenen Kapitalmarkt

• Zahlungsreihe: 10 Jahre

• Anlagelaufzeit: 6000 h/a

• Nutzbare Wärme: 33% der produzierten Wärme

• Stromeinspeisevergütung durch EEG: 10 Cent/kWh

• Wert der produzierten Wärme: 4 Cent/kWh (abhängig vom Ölpreis)

• Wartungskosten: 10% der Investitionssumme

• Arbeitszeit: 0,5 h/d mit 15 Euro/h (220 Arbeitstage)

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Wirtschaftliche Betrachtung

Wirtschaftlichkeitsrechnung Holzvergaser: Leistung: 12 kW el., 24 kW therm.

Kosten: Annahme: Holzpreis (8€ / Kubikmeter)einmalig:Investition Holzvergasungsanlage ? Zahlungsreihe: 0 1 bis 10jährlich: -12.733 € 1.898 €Motorteile: 1.000 € Kapitalwert: 0 €Entsorgung Asche: 100 € Annuität: -1.757 €Wartung (10% der Investitionssumme) 1.273 € interner Zinsfuß: 8%Motoröl: 300 €Arbeitszeit: 1.650 €Brennstoff: 2.880 €

Summe: 7.203 €Nutzen: Erzeugung Strom: 7.200 €Erzeugung Wärme: 1.901 €

Summe Nutzen: 9.101 €

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Wirtschaftliche Betrachtung

Wirtschaftlichkeitsrechnung Holzvergaser: Leistung: 30 kW el., 60 kW therm.

Kosten: Annahme: Holzpreis (8 €/Kubikmeter)einmalig:Investition Holzvergasungsanlage ? Zahlungsreihe: 0 1 bis 10jährlich: -48.597 € 7.242 €Motorteile: 1.000 € Kapitalwert: 0 €Entsorgung Asche: 200 € Annuität: -6.706 €Wartung (10% der Investitionssumme) 4.860 € interner Zinsfuß: 8%Motoröl: 600 €Arbeitszeit: 1.650 €Brennstoff: 7.200 €

Summe: 15.510 €Nutzen: Erzeugung Strom: 18.000 €Erzeugung Wärme: 4.752 €

Summe Nutzen: 22.752 €

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Wirtschaftliche Betrachtung

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Holzgasanlage im Heimbetrieb

12 KW el.24 kW therm.2000 Betriebsstunden

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Zukunftsvision: Bio-Solare Hauskraftwerke

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Fazit

• Praxistauglichkeit im 200 Stunden Test und in über 2000 Betriebsstunden bewiesen

• Wirtschaftlichkeit im unteren Leistungsbereich nur bedingt erreichbar

• Das Bio-Solare Hauskraftwerk bleibt momentan noch eine Vision

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Zukunftsvision: Mikro-Holzvergaser als Bio-Solare Hauskraftwerke

Kontakt: boettger@sesolutions.de

www.keinGeldverheizen.de (Energieberatung für KfW

Förderkredite)

dobelmann@dgs.de

Dipl.-Ing. (EUR ING) Jan Kai Dobelmann MScDGS-president

Datenaufzeichnung

Generator

L1L2L3 Stromauf nehmer

V +

V out

C+

GND

C-

Messgleichrichter

V in

GND

V ref

D1

D4

Sign

ENB

Microcntroller

RS232

A/D Wandler

DCF 77 Antenne

P-1

Widerstand

• Aufnahme, Signalverarbeitung, und Signalausgabe über einen Mikroprozessor

• Computergestützte Aufzeichnung der Leistungsdaten am PC• Eingang für Funkantenne ermöglicht Verknüpfung der Messwerte

mit der offiziellen Zeit der PTB in Braunschweig manipulationsfreie Aufzeichnung der Messdaten