Status of La Pereda 1,7MWt pilot test facility
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Status of La Pereda 1,7MWt pilot test facility for postcombustion CO2 capture by Ca-looping
Andrés Sánchez-Biezma Sacristán - 3rd IEAGHG Network Meeting on High Temperature Solids Looping Cycles, Vienna
3 0 | 0 8 | 1 1endesa Subdirección de Ingeniería e I+D
Status of La Pereda 1,7MWt pilot test facility
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The research leading to these results has received funding from the European Community's Seventh Framework Programme (FP7/2007-2013) under GA 241302-CaOling Project and from PCTI Asturias.
Status of La Pereda 1,7MWt pilot test facility for postcombustion CO2 capture by Ca-looping
Status of La Pereda 1,7MWt pilot test facility
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CaOling Project - Development of Calcium looping
CaOling Project started on December 2009 as a three-years project to develop and demonstrate post-combustion calcium looping in a pilot-scale unit which is fully integrated with a power plant.
Partners:
Status of La Pereda 1,7MWt pilot test facility
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Postcombustion carbonate looping concept:
Main advantage: CO2 capture at high temperature Recovery of part of the energy used in the regeneration process.
Concept
Low energy penalty compared with other CO2 capture technologies
Status of La Pereda 1,7MWt pilot test facility
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CaOling Project. Work plan
WP1: Lab-Scale pilot testing
WP2: Sorbent Properties
WP3: Reactor modelling and scale-up tools
WP4: 1,7MWt Plant design and erection
WP5: Experimental campaigns in the 1,7Mw test facility
WP6: Scaling parameters for industrial plant demo
WP7: Coordination and dissemination
Leader Other partners
All
Status of La Pereda 1,7MWt pilot test facility
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24 m
To evaluate and optimise the concept in the 1,7 MW test facility, in operating conditions equivalent to large-scale industrial units and integrated in a commercial plant.
To analyse the controllability and stability of the process
To find the optimum set of operating conditions to minimize sorbent make-up flow cost.
To measure the effects of initial particle size and attrition phenomena in the continuous circulating fluidized bed system.
To analyse the effects of the flue gas impurities in the sorbent performance and the effects of coal ash and sulphur content.
Status of La Pereda 1,7MWt pilot test facility
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Height: 15 m
Weight: 131 ton
Made of refractory and Carbon Steel.
Made of Flanged Modules
Double recirculation loop. Recirculation Control flow in loopseal
Fully instrumentalized:
12 Pressure points
10 Temperature points
6 hold points
3 viewports
La Pereda CO2 capture pilot plant - Reactors
Reactors
Status of La Pereda 1,7MWt pilot test facility
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La Pereda pilot plant - Concept
Status of La Pereda 1,7MWt pilot test facility
CO2 design capture rate 75-95 %Flue gas flow to carbonator 680-2300 kg/hMaximum coal flow to calciner 325 kg/hCalciner Thermal input 0,4-1,8 MWtMaximum fresh limestone flow 300 kg/hOxygen flow to calciner 300-600 kg/hCO2 flow to calciner 700-2250 kg/hCalciner design T 950 ºCCarbonator design T 650 ºCFlue Gases:
Temperature 136 ºCPressure 40 mmH2O
CO2 12,6 %volSO2 740 ppmH2O 7 %volN2 74,1 %volO2 5,5 %vol
La Pereda CO2 capture pilot plant - Main inputs
Status of La Pereda 1,7MWt pilot test facility
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La Pereda CO2 capture pilot plant - Location
Status of La Pereda 1,7MWt pilot test facility
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The 1,7MWt experimental facility will be located at the La Pereda power plant.La Pereda is an existing 50MWe CFB power plant that belongs to HUNOSA.
La Pereda CO2 capture pilot plant
Facility Area
Status of La Pereda 1,7MWt pilot test facility
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Air heater ESP Stack
Pilot Plant
Return Conection
Conection
Material feeding system
Bottom ash system
La Pereda CO2 capture pilot plant
Status of La Pereda 1,7MWt pilot test facility
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La Pereda CO2 capture pilot plant - Layout
Fans
Flue gas outlet
Flue gas inletPropane tank
Electrical Heater
Burners and valves skids
Flue gas cooler
CO2 y O2 Tanks
Mixer
Ash removal system
Coal feeding system
Limestone feeding system
Gas cooler and pipes
Reactors
Structure
Control room
Storage
ESP STACK
Status of La Pereda 1,7MWt pilot test facility
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Civil works
Status of the construction
O2/CO2 Tanks
Gas Mixer
Reactors
Coal silo Limestone silo
Stairs
Status of La Pereda 1,7MWt pilot test facility
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Status of the construction – Structure erection
Structure
Height: 24 m
Area: 11,6 m x 8,6 m
Weight: 180 ton
Status of La Pereda 1,7MWt pilot test facility
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Status of the construction
Coal and limestone feeding system
Limestone silo
Coal silo
Limestone and coal bins
Common bin and final cooled screw
Status of La Pereda 1,7MWt pilot test facility
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Status of the construction – Reactors assembly
Reactors
Status of La Pereda 1,7MWt pilot test facility
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Status of the construction – Reactors assembly
Expansion Joints
• 12 Units
• New design for the purpose.
Status of La Pereda 1,7MWt pilot test facility
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Status of the construction – Reactors assembly
CO2-O2 supplyO2 Tank 20 Ton
CO2 Tank 50 Ton2 O2 atmospheric gasifiers
2 Pressure levels of CO2 Recirculating gasSealing and
Solid inyection1 CO2 Electric gasifiers 300 KW
O2 heater 20 KW
CO2 heater 15 KW
WITT Gas Mixer
%Vol O2/CO2 max ratio 41,5/58,5
Additional Gas Heater 100 KW
CaOling Midterm MeetingStatus of the construction – Fans
Fans
Nominal Power
Flue gases Fan 55 KWPrimary air Fan 55 KW
Cooling air Fan 75 KWHP air Fan 37 KW
• Variable Speed Drive
• Water cooler exchanger before flue gas fan
Status of La Pereda 1,7MWt pilot test facility
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Current Status of the construction
Reactors
Limestone
Control room
CO2 Tank
Gasifiers
O2 TankCoal
Mixer
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
T M/A T T M/A T M/A T M/A M/A T T M/A M/A T M/A T M/A T M/A T M/A M/A T M/A T M/A T M/A T M/A T M/A T M/A T M/A
July Agoust September OctoberMarch April May JuneNovember December January FebruaryEXPERIMENTAL TEST MATRIX
PHASE I PHASE II PHASE IV PHASE V PHAS.VI PH.VII EXTRA TESTS (To define during test matrix development)PH.VIIIPH III
CALCINER IN AIR MODE CALCINER IN OXYCOMBUSTION
PHASE IPHASE IIPHASE IIIPHASE IVPHASE VPHASE VIPHASE VIIPHASE VIII
Preliminary non stationary tests
Coal with high S and high ashesDynamic tests oxycombustionLong duration tests. Second limestone
Carbonatation stationary - calciner airReactivity tests- calciner airCalciner stationary - calciner oxyLong duration tests. Real conditions
Test matrix under CaOling project
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CaOling Workshop and La Pereda 1,7MWt CO2 capture plant open-day event.
Workshop will be held next February 2012 at Oviedo, highlighting the first results of the plant and other major research activities in calcium looping. After that an open-day visit to the plant will be organised.
More information soon in www.caoling.eu
You are welcome!
Status of La Pereda 1,7MWt pilot test facility
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