self-sufficient energy production
TRANSCRIPT
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Self-sufficient energy production
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Case: Ecovillage
Off grid –residential area -> proof of concept
Electricity and heat from wood chips (wood gas)
Completed in 2009
RIL: Building enterprise #1 in Finland 2010
1. energy independent residential area in Finland
Green energy for 10 families
High valued area, satisfied residents
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Case: Ecovillage
30kWe + 80kWth
Heat grid temperature +65 oC
Hot water reservoirs 10m3 + 10x 0,75m3
Battery package 320kWh, for 24h need
Low energy houses, led -lightning
No electric heating, no elecric stowes
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This is how it works
• High level of automation enables unattended operation and remote control
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Model: Volter 30 (40)
Fuel: Wood chips (birch, spruce, pine, aspen)
Fuel moisture: <18%
Particle size: 8mm ≤ P ≤ 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.)
Output: Generator output 30kW (40kW), thermal 80kW (100kW)
Plant usage (e): ca. 1,5-2,5kW
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: 7000h
Maint. interval: once a week
Other:
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Remote monitoring
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“I have done gasification research and development at VTT since 1981, Volter´s gasifier is the first ideal working downdraft gasifier that I have come across. Congratulations! Esa Kurkela, Development manager at VTT
Gasification and Gas Cleaning Technologies
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Case: Volter 30 + fuel terminal
Volter 30
Green energy for machine shop and a large house
Biomass dryer and storage
Grid connection
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Case: Majbacka
Volter 30
Green energy for a large house and garages
High design requirements
Smart elecric grid
On/Off Grid system
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Case: Nurmes
Volter 40
Large farm
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Case: Nurmes
Volter 40
Fuel dryer
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University of Eastern Finland
Volter 30
Installed inside an existing building
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Case: Alpua
Volter 40
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Case: UK Farm
Volter 30
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Fuel handling