ORC – Biomass CHP plant

SERVING THE WORLD´S DEMAND FOR ENERGY
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Founded 1995, with heat transfer plants for organic heat transfer media
Since 2004 combining heat transfer plants with ORC-Modules, 300kWe to
2,4MWe for Co-Generation with biomass and high temperature waste heat.
Installations in more than 45 countries worldwide.
Increasing demand for
energy worldwide
Increasing prices for fossil
fuels
Maxxtec‘s products
Heat Sources

Heat transfer

Exhaust heat
recovery system

All heat sources
sufficiently available and
not in competition with
other applications
Political support for CO2 –
neutral energy generation


Combined heat
and power (CHP)
generation
Power generation
ORC module

District heating grid
Trend towards
decentralised CHP units
Since More than 100 heat transfer systems for ORC-Modules and more than 30 ORC Modules
within 300kWe and 2400kWe installed.
Target of the ZIM-Project
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Developing a small scale ORC-Plant with a electrical capacity < 300kWe
SOURCES
ADVANTAGES
 Combustion of solid biomass
 Using renewable energy
 Industrial waste heat
 Using free waste heat
 Waste heat of Stationary engines
 low operating costs
POTENTIAL
 The use of biomass combustion is already approved for

short amortization periods

no additional CO2 emissions

High potential for full use of the heat due to small plant
sizes.
larger capacities. More than 1.000 small scale combustion
plants are produced for the western European market every
year.
 Waste heat of industrial processes has been utilized to a
very low extent until today: significant results of pre-studies
from three Austrian steel-working companies are:
5% of the own energy use can be generated through
the usage of waste heat
Primary energy consumption can be reduced by 10%
 More than 3000 gas engines are running only in Germany.
Experts assume that only the annual unused industrial waste heat potential amounts to 140 TWh
in Europe, implying a CO2 reduction potential of 14 Mio CO2 per annum.
Technical content
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Existing technology cannot be simply downsized, for turbine and generator as well
as for heat exchangers and pumps new solutions have to be developed.
SIMPLIFIED DELINEATION OF A COMBINED HEAT AND POWER GENERATION PROCESS
Concepts as they are used in larger plants are physically not working for small scale units and
would be not cost effective.
Technical challenges
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 Completely integrated standardized and pre-assembled modules
 Surface cleaning systems for biomass combustion
 wide range of usable primary and condensation temperatures
 Easy operation and wide control range
 Reasonable investment and ROI
“Classical” ORC Plant
New concept
Typical capacity range
Existing concepts
Steam-power process
ORC process
planned
Stirling engine
Hot gas turbine
10
100
1,000
10,000
Electrical power [kW]
Market maturity
No market maturity given yet; technologies still in pilot phase
Integration, standardization and simplification are the main challanges for this project.
Example: Bioenergy Pfalzgrafenweiler
Fuel:
Bark, wood chips
Thermal Capacity:
WT – Oil = 3.350kWt
Electrical Capacity: 560kWe
Use of Heat:
District heating, wood chip drying
Start of Operation:
2007
ORC – Biomass CHP plant
Contact
Thank you for your kind attention
Maxxtec AG
Rolf Schleicher
Breite Seite 1
74889 Sinsheim
Tel. +49 7261 9279 15
E-Mail: rolf.schleicher@maxxtec.com
www.maxxtec.com
We are looking for co-operation partners for:
Development of a ORC-Turbine
Development of an integrated control system