BIOPOWER 5 CEX. 1 Wärtsilä 10 January 2012 Presentation name / Author

BIOPOWER 5 CEX 1 Wärtsilä 10 January 2012 Presentation name / Author

GENERAL INFORMATION ELECTRICAL OUTPUT 4.3 5.5 MWe HEAT OUTPUT Up to 10 MWth (16 t/h steam 1,3 bara) FUEL TYPE Wood chips, bark, saw dust, harvest residues, clean recycle wood Moisture 35-50 %...60% Particel size less than 300x50x50 mm 2 Wärtsilä 10 January 2012 Presentation name / Author

3D SITE LAYOUT Stack Fuel storage Boiler hall Turbine hall Radiators 3 Wärtsilä 10 January 2012 Presentation name / Author

3D SITE LAYOUT Fuel unloading Bottom ash removal Fly ash removal Emergency power unit Step-up transformer(optional) Station transformer Radiators Ventilation room 4 Wärtsilä 10 January 2012 Presentation name / Author

FLOW DIAGRAM BIOPOWER 5 CEX Fuel Steam Condensate Water/liquid Flue gas Ash Air TO DISTRICT HEATING NETWORK FROM DISTRICT HEATING NETWORK 5 Wärtsilä 10 January 2012 Presentation name / Author

PLAN LAYOUT +0.000 Transformers Emergency power unit Fly ash conteiner Bottom ash container +0.000 Turbine lube oil module Fan module Stack Feed water pump module +0.000 Workshop/ store Water treatment room Make up water tank Biograte 22 050 8 300 30 350 Vacuum module Cooling water circulation pump module Turbine generator set Heat exchanger Turbine hall Boiler hall +0.000 Blow down tank module 5000 12 800 27 200 6 Wärtsilä 10 January 2012 Presentation name / Author

PLAN LAYOUT +8.710 Step-up Transformer (Optional) Emergency power unit 12 300 ESP +8.710 Stack +0.000 Station Transformer Control room MV-room 12 450 +8.710 Make up water tank Switchgear room Biograte Condenser module Boiler hall Boiler Turbine generator set Turbine hall Feed water tank module Main steam module 7 Wärtsilä 10 January 2012 Presentation name / Author

SECTION A-A +30.000 Main steam module Silencer Monorail +23.690 A A Stack Steam drum +12.890 Boiler Monorail Condenser module Stair tower Turbine generator set Fuel conveyor Turbine drain tank module Heat exchanger module Blow down tank module Feed water tank module Biograte Boiler silo 8 Wärtsilä 10 January 2012 Presentation name / Author

SECTION B-B B B Steam drum Boiler Ventilation room +14.800 Economiser MV room Control room Make up water tank +8.710 Biograte 14 900 27 200 Ducting module Fan module 9 Wärtsilä 10 January 2012 Presentation name / Author

3D LAYOUT ESP Stack Steam drum Boiler Stair tower Feed water tank module Biograte Boiler silo Fan module Feed water pump module Make up water tank module Main steam module Heat exchanger module Condenser module Turbine generator set 10 Wärtsilä 10 January 2012 Presentation name / Author

3D LAYOUT Stack ESP Steam drum Boiler Economiser Stair tower Biograte Fly ash container Bottom ash container Water treatment equipment 11 Wärtsilä 10 January 2012 Presentation name / Author

BUILDING STEEL FRAME Building and process equipment are both built as an independent structure. 12 Wärtsilä 10 January 2012 Presentation name / Author

BIOGRATE BIOGRATE AND FUEL FEEDING Conical rotating grate Fuel feeding with stoker screw to the center of the grate 3-5 rotating grate rings 2-4 fixed grate rings Wide grate area for complete combustion Flexible controlled primary air distribution Effective ash grate with air introduction Wet bottom ash system Grate material temperature measurement flue gas recirculation used for grate cooling 13 Wärtsilä 10 January 2012 Presentation name / Author

BIOPOWER 5 BOILER MEMBRANWALL DRUM BOILER WITH NATURAL CIRCULATION Steam output 17.8 MW Feed water temperature 105 C Feed water pressure 74 bar(a) Operation pressure 64 bar(a) Steam temperature 485 C Steam flow 21.7 t/h Stack temperature 150 C Secondary superheater Primary superheater Convective evaporator Economizers Membranwall combustion chamber 14 Wärtsilä 10 January 2012 Presentation name / Author

TURBINE AND GENERATOR AXIAL MULTI STAGE REACTION TURBINE BP5 CEX Steam flow 21.7 t/h Pressure/temperature 62 bar(a)/480 C Extraction temperature 1.3 bar(a) Exhaust pressure 0.11 bar Temperature 47 C Speed ~12000/1500 rpm Gear box Planet type Speed control Siemens S7 Power output Max 5500 kw Generator voltage 6/11 kv Generator cooling Water circulation 15 Wärtsilä 10 January 2012 Presentation name / Author

FUEL STORAGE ALTERNATIVES GRAB CRANE STORAGE PUSH BAR STORAGE Standard volume 2500m³ 3 days operation Standard volume 500m³ 16 hours operation Fuel silo + magnet and screen (optional) Crab crane Fuel conveyor Magnet and screen (optional) Fuel unloading Fuel unloading Hydraulic push bars 16 Wärtsilä 10 January 2012 Presentation name / Author

COOLING ALTERNATIVES COOLING TOWER Ambient temperature 27 C Water consumption 18 m³/h Power consumption Fans 40 kw CW Pump 90 kw AIR COOLED CONDENSER Ambient temperature 25 C Water consumption 0 m³/h Power consumption Fans 100 KW CW Pump N/A RADIATOR Ambient temperature 20 C Water consumption 0 m³/h Power consumption Fans 125 KW CW Pump 90 KW 17 Wärtsilä 10 January 2012 Presentation name / Author

COOLING ALTERNATIVES 18 Wärtsilä 10 January 2012 Presentation name / Author

BIOPOWER5 AUTOMATION LAYOUT GRAB CRANE ROOM ELECTRICAL ROOM MV ROOM FREQUENCY CONVERTERS GRAB CRANE -PLC + MCC (Optional) MAIN LV-MCC MV-SWITCHGEAR FLUE GAS CONDENSING -PLC + MCC (Optional) DISTRIBUTED I/O-UNIT HUB for PMUs and safety relays ESP CONTROL DISTRIBUTED I/O-UNIT Operation station PROCESS CONTROL SYSTEM DISTRIBUTED I/O-UNIT Operation station SAFETY RELATED SYSTEM DISTRIBUTED I/O-UNIT TURBINE PLC / MCC WATER TREAT. -PLC + MCC Broadband service connection (provided by the customer) Firewall GENERATOR SYNCH. & PROTECTION AUTOMATION ROOM PROCESS AREA BINARY/ANALOG MEASUREMENTS AND DEVICE CONTROLS Ethernet Profibus DP Multicore instrument cable Instrument cable 19 Wärtsilä 10 January 2012 Presentation name / Author

SERIAL PRODUCTION BENEFITS OF SERIAL PRODUCTION Standardized solutions Pre design Variations with options Modular product structure Networked way of working BENEFITS TO THE CLIENT Fast quotation Consistent quality Tested components Clear scope of supply You know what you will get Fast schedule Economically attractive price level 20 Wärtsilä 10 January 2012 Presentation name / Author

MODULARIZATION BENEFITS OF MODULARIZATION Minimized fieldwork Modules are fabricated and tested at factory under controlled working conditions Work is performed according to our high standards Faster and more cost-effective construction Fewer fitting errors Minimized lay-down space on site MODULES COSISTING OF: Valves and instruments Electrical connection to safety switch Instrument connection box Connections for piping Piping supports Installation rack Insulation 21 Wärtsilä 10 January 2012 Presentation name / Author

CONNECTION POINTS OF MODULE CONNECTION POINTS OF FEED WATER PUMP MODULE Feed water inlet (Feed water tank) Feed water outlet (Economiser) Electrical connection Chemical dosing inlet Drain Feed water outlet (Desuperheater & Reduction valves) Feed water outlet (Recirculation) Steel frame connected to foundation 22 Wärtsilä 10 January 2012 Presentation name / Author

LIST OF MODULES B310 Fan module B340 Ducting module H150 Cooling water ciculation pump module (with radiators) T130 Closed cooling water module T140 Turbine drain tank module W110 Condenser module (with radiators) W130 Vacuum Module (with radiators) W140 Condensate pump module (with radiators) W160 Heat exchanger module W170 Condensate pump module W310 Feed water pump module W320 Feed water tank module W410 Blow down module W420 Venting module W540 Live steam module W550 Main steam module X131 Make-up water tank module X132 Make-up water pump module 23 Wärtsilä 10 January 2012 Presentation name / Author

Situation today Motala Vilppula Trollhättan Marks Värme Halmstad 2*Royal Brewery Tranås Grainger sawmills 2* Amel Cogen Kiuruvoima Puulaakso Renko Less Forest 100+ grates operating worldwide 24 Wärtsilä 10 January 2012 Presentation name / Author Baden 6* Best Energy