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Biomass CHP – gasification of wood biomass

Eko village Kempele, Finland

Radoslav Irgl COGENERA, Artim d.o.o.

info@cogenera.si www.cogenera.si

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What is biomass gasification?

Thermal decomposition of biomass: Thermal process of

biomass Oxygen proportion

(reaction) Drying 0,0-0,0

Pyrolysis 0,0-0,1 Gasification 0,1-0,4 Combustion 1,0-1,3

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Biomass gasification “Downdraft” gasifier

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Wood Syngas

Uplinjanje biomase

Syngas CO, H2, CH4, CO2, N2

Air (Oxygen)

Biomass

Ash, Carbon

Cogeneration – heat and power

Thermal application process heat

200-650 oC

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Biomass heat and power (CHP) Volter 40 kWe / 100 kWth

Dry wood chips

Heat ( hot water) 100 kWth

Electric power 40 kWe Volter unit CHP

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Volter CHP – frame for container

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Wood chips transport and gasifier

• Fuel is fed from the silo by screw and chain conveyors

• Rotating feeder prevents

from free airflow to the reactor. It also protects from back fire

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Syngas cooling and cleaning

1. Cooling before the filtering phase (heat recovering 1) 2. Dry filtering system (dust filter) 3. Control washing of Syngas (no running water needed) 4. Cooling to the final product gas temperature (heat recovering 2) 5. Cooled and filtered gas to motor

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Heat and power from syngas

• Gas is fed to engine • Heat is recovered from engine and exhaust gas • Engine turns the generator which produces clean electricity •“Agco Sisu Power” adapted diesel engine with electric generator

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Power regulation and control

Main logic processor Schneider M258 logic touch screen control panel

Inverter (ABB ACS800)

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Model: Biomass CHP Volter 30 / 40 Biomass Fuel: Wood chips (birch, spruce, pine, aspen) Fuel moisture: 12 – 15%, max. 18% Particle size: 8mm ≤ biomass ≤ 50mm, fine particles (<3,15mm) <1%, all <63mm Plant structure: Steel frame, Insulated with paroc (or similar) panels Color: As per agreement Fuel supply: Spring agitator, auger, rotating feeder Generator: Agco Sisu Power 4,9L, 4-cyl. / 8,4L, 6-cyl., generator 35 kWe / 45 kWe Output: Generator output 28 kWe / 40 kWe, thermal 80kW / 100 kWe Plant own usage : ca. 1,5-2kWe Fuel consumption: ca. 3,5 m3 / 4,5 m3 - of chips/24h at 100% power level Automation: Schneider electric PLC, GSM –alarms, remote internet control Connections: Electricity cable, Heat channel, water line, broadband, GSM-connection Installation: Asphalt or concrete base Ash removal: Automatic ash removal Max. o.t./a: 7800h Maint. interval: once a week Other: SynGas from gasification reactor is tar free. Gas cleaning is only for solid particles.

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New module for inside installation in engine room / boiler room –

28 kWe or 40 kWe

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New module for inside installation in engine room / boiler room –

28 kWe or 40 kWe

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New module for inside installation in engine room / boiler room –

28 kWe or 40 kWe

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Syngas composition from gasifier

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Reference: Eko village Kempele, Finland (2009)

100% off grid – residential area -> proof of concept Electricity and heat from wood chips Completed in 2009 lRIL: Building enterprise #1 in Finland award 1st energy independent residential area in Finland 100% green energy and heat for 10 families High valued area, satisfied residents

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Reference: Eko village Kempele, Finland (2009)

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Reference: Eko village Kempele, Finland (2009)

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Low and zero energy houses

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Low and zero energy houses

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Thermal substation in each house, hot water tank 750 l, floor heating, low temperature

district heating 45-60 deg. C

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Office building, engine room, wood chips storage, wind turbine

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Power system of eko village Biomass gasification - downdraft Battery pack-320 kWh Wind turbine

26 kW

Central hor water tanks- 10.000 l Genset-Syngas-35 kWe Diesel Genset (back-up) 80kWe

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28kW electricity+ 80kW thermal Micro grid temperature +65 oC / 45 oC Hot water reservoirs: central 10m3 + 10x 0,75m3 Battery package: 320kWh, for 24h need Low energy houses, LED lightning No electric heating, no electric stoves

Reference: Eko village Kempele, Finland (2009)

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Syngas automobil

Car model: Chevrolet El Camino, letnik -87 MEngine: 400 cid (6.5 l), automatic transmission Fuel: Wood Syngas, alternative - bgasoline Fuel consumption: Wood (blocks) - 40 kg / 100 km Fuel expence: 2 € / 100 km Range with one filling: around 200 km Wood Fuel storage: for 1300 km Top speed: over 140 km / h MasTotal weight: ~ 2 000 kg Construction: leta 2007 Emissions: E4 standard Electronic engine control: Motec M800, electrical controlled mixture of lambda-adjustment, gasoline, and wood gas joint use of facilities, auto carburetor ignition

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Example of wood dryer Heat exchanger with fan and container for

biomass drying

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Economic calculation factors

• Installed power • Hours of operation per year • Price of heat • Price of electricity (incentives) • Price of biomass • Service, manpower cost

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Technology for happy customers

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More info: www.cogenera.si, info@cogenera.si

Thank you for your attention!