taller internacional sobre energía geotérmica
TRANSCRIPT
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All Rights Reserved© Exergy S.p.A. 2015 Proprietary & Confidential
Taller Internacional
sobre Energía
Geotérmica
Francesco Oppici
18/02/2016
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All Rights Reserved© Exergy S.p.A. 2015 Proprietary & Confidential
EXERGY
ABOUT US
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All Rights Reserved© Exergy S.p.A. 2015Proprietary & Confidential
EXERGY designs, manufactures, supplies and operates Organic Rankine Cycle (ORC) systems for:
EXERGY are unique in having the extremely efficient organic Radial Outflow Turbine.
• SOLAR (CSP)• BIOMASS
• WASTE HEAT RECOVERY
• GEOTHERMAL
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EXERGY is the pioneer of ORC Radial Outflow technology. EXERGY undertake:
Size range: between 0.1 – 10 MW on a single turbine
EXERGY is a subsidiary of the SECI – Maccaferri Industrial Group within the SECI S.p.A holding.
• Development and manufacturing of the ORC turbine and plant internally
• Testing
• Engineering
• Project management
• After Sales service
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ABOUT
SECI ENERGIA
AND
THE MACCAFERRI
GROUP
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ABOUT SECI MACCAFERRI
SECI – MACCAFERRI INDUSTRIAL GROUP STRUCTURE
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SECI MACCAFERRI FIGURES - 2014:
Factories
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ORGANIC
RANKINE CYCLE
TECHNOLOGY
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BINARY PLANT - WORKING PRINCIPLES
ORC POWER PLANT
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Geothermal energy harnessing methods:
• Water Rankine Cycles – Condensing steam turbine
• Dry steam
• Flash
• Organic Rankine Cycles (ORC) – Binary plants
• Combined Cycles
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• Flexibility of operation: partial loads effective matching
• No water consumption
• Easy maintenance: no need for costly and time consuming
service operations
• Easy operation: fully-automatic plant, no need for dedicated
personnel to operate it
• Adaptability: it is possible to produce electric energy with new
kind of resources never exploited before:
• Low temperature
• Low Enthalpy (liquid dominated)
• High NCG content
ORC vs. STEAM TECHNOLOGY
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• In many geothermal plants around the world
the heat content of the brine is “wasted”
• Binary power plants can operate with the hot
liquid brine and produce more electrical power
out of the same wells
• The power production of the geothermal plants
can be enhanced without the risk of drilling
new wells
• Many of these plants are in operation around
the world
• Exergy has constructed the first and unique
commercial geothermal organic turbine
operating in Italy as a bottoming of a single
flash power plant in Bagnore, Tuscany
THE BINARY TECHNOLOGY AS BOTTOMING OF FLASH
PLANTS
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The current situation in MEXICO:
• At the moment only few MW of geothermal energy are produced with the binary
technology
• An average of 223 production wells were active in 2013 in Mexico producing 6.358
t/h of Steam, this represent the 45% w/w of the total amount of fluid extracted.
(Data: Geothermal proceedings WGC 2015) This means that, theoretically, there
are about 7.77 t/h of brine available for producing clean energy without major
drilling risks. Not all of this brine can be used but surely there are good
opportunities to exploit some of this.
• The binary technology can bring to Mexico a significant increase of geothermal
energy production
• More power can be produced with the binary technology by operating existing wells
that could not be exploited with the steam technology (low enthalpy wells, not
flowing wells by means of enhanced lift)
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EXERGY
TECHNOLOGY
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The Radial Outflow Turbine is capable
of converting the energy that is contained
in the fluid with higher efficiency than
competing technologies on the market.
Designed and patented by EXERGY, the Radial Outflow Turbine is unique in the ORC marketplace.
The idea was first conceptualized by EXERGY CEO Claudio Spadacini.
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RADIAL OUTFLOW TURBINE - Advantages
o Low vibrations, meaning high reliability and low O&M
o High conversion efficiency
o Simple construction technology:
Straight blades
Multiple stages and pressures on a single disk
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RADIAL
OUTFLOW
TURBINE
VIDEO
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TECNOLOGIA
Radial Outflow Turbine (video on Youtube Exergy channel)
RADIAL OUTFLOW Turbine - Video
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REFERENCES
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Geothermal 281.5 MW
Heat recovery 20.9 MW
CSP 1.0 MW
Biomass 2.9 MW
Total 306.3 MW
REFERENCES
REFERENCES
Geothermal; 281.5 MW; 92%
Heat recovery; 20.9 MW; 7%
CSP; 1.0 MW; 0% Biomass; 2.9 MW; 1%
Geothermal Heat recovery
CSP Biomass
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REFERENCES
REFERENCES
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REFERENCES
YEAR COUNTRY CUSTOMER PLANT APPLICATION MODEL POWER
2015 Portugal (Azores) EDA Renovaveis Pico Alto Geothermal EPS 400 4
2015 Turkey Bestepeler Enerji (Karizma Enerji) Kubilay Geothermal GEX 2500 24
2015 Turkey Ken Kipaş (Kipaş Holding) Ken Kipaş 2 Geothermal GEX 2500 25
2015 Turkey Ken Kipaş (Kipaş Holding) Ken Kipaş 1 Geothermal GEX 2500 25
2014 Morocco Enerray/IRESEN Benguérir CSP EPS 150 1
2014 Turkey Enerjeo (Energy Holding) Kemaliye Alaşehir 1 Geothermal GEX 1200 12
2014 Turkey Enerjeo (Energy Holding) Kemaliye Alaşehir 2 Geothermal GEX 1200 12
2014 Turkey Greeneco Enerji (Saray Holding) Sarayköy 1 Geothermal GEX 1200 12
2014 Turkey Greeneco Enerji (Saray Holding) Sarayköy 2 Geothermal GEX 1200 12
2014 Turkey Area Impianti/Şişecam Yenisehir Heat Recovery (glass mill) EPS 320 3.2
2014 Turkey Area Impianti/Şişecam Mersin Heat Recovery (glass mill) EPS 500 5.5
2014 Bulgaria Area Impianti/Şişecam Targovishte Heat Recovery (glass mill) EPS 500 4.8
2014 Turkey Karkey (Karadeniz Holding) Umurlu II Geothermal GEX 1200 12
2014 Turkey Karkey (Karadeniz Holding) Umurlu I Geothermal GEX 1200 12
LATEST REFERENCES
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GEOTHERMAL
Plant Type: Geothermal
Model: GEX 1200
Client: Karkey Karadeniz H.
Location: Umurlu, Turkey
REFERENCES
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GEOTHERMAL
Plant Type: Geothermal
Model: GEX 350
Client: Akca Holding
Location: Denizli, Turkey
REFERENCES
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Plant Type: Geothermal
Model: GEX 110
Client: Enel Green power
Location: Bagnore, Italy
REFERENCES
GEOTHERMAL
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REFERENCES
Plant Type: Geothermal
Model: GEX 2300
Power: 22.5 MWe
Client: Celikler Holding
Location: Pamukoren, Turkey
GEOTHERMAL
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REFERENCES
Plant Type: HR Glass
Model: EPS 500
Power: 5500 kWe
Client: Sisecam
Location: Targovishte, Bulgaria
HEAT RECOVERY FROM GLASS MILL
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REFERENCES
Plant Type: HR Glass
Model: EPS 320
Power: 3200 kWe
Client: Sisecam
Location: Bursa, Turkey
HEAT RECOVERY FROM GLASS MILL
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REFERENCES
Plant Type: HR steel
Model: EPSd 110
Power: 1000 kWe
Client: ABS - Danieli
Location: Udine, Italy
HEAT RECOVERY FROM STEEL MILL
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REFERENCES
Plant Type: Biomass
Model: EP 110 ERS 1MWe
Client: Energia Vulture Alto Bradano
Location: Venosa, Italy
BIOMASS
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Plant Type: Biomass
Model: HREX 110
Client: Del Tongo
Location: Arezzo, Italy
BIOMASS
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REFERENCES
Plant Type: HR BIOGAS
Model: EP10 POWERBOX
Power: 100 kWe
Client: Marsica Bioenergie
Location: Celano, Italy
HEAT RECOVERY FROM BIOGAS ENGINES
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CONCLUSIONS
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CONCLUSIONS
• The Organic Rankine Cycle has several advantages compared with the
traditional steam technology. With the developing of the ORC the
possibilities of exploiting the geothermal resource have grown fast
opening a new share of the market.
• The Exergy radial outflow turbine has demonstrated great technology
advantages and is leading the development of Exergy into the market
• Many binary power plants have been constructed demonstrating during
their operation the strengths of the ORC technology in exploiting the
available geothermal resource
• The future of the Geothermal Power industry might be in the ORC
technology and Mexico has the best chances to become the leader of
this growth
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Francesco Oppici:
T: +39 0331 1817 641
M: +39 337 120 2751
Legal Office:
Via degli Agresti, 6
40123 Bologna
(BO) Italy
W: www.exergy-orc.com
Head Office:
via Santa Rita, 14
21057 Olgiate Olona
(VA) Italy
EXERGY S.p.A