Fjernvarmeforskningen i IEA District heating &
cooling
Heidi Juhler, Alternate member ExCo
IEA-DHCǀCHP Annex X: towards 4 th generation
district heating. Experiences with and potential of
low-temperature district heating.
Presentation of the status report at the ExCo meeting
New York, USA – 19 - 21 September, 2013
Hongwei Li
Technical University of Denmark (DTU)
INTERNATIONAL ENERGY AGENCY
District Heating and Cooling, including the integration of CHP
Project summary
The goal of the project is to bring experience, knowledge and solutions for the 4 th
Generation District Heating systems to a level where they are ready to be implemented
widely.
• Phase I: document experiences in mature DH countries with very low temperature
systems serving highly energy-efficient new-build developments
• Phase II: analyze and extend the scope of lessons arising from early examples of low-
temperature systems, in order to improve the cost-effectiveness and environmental
benefits, effectively formulating a blueprint for a new generation of district heating.
slide 3
INTERNATIONAL ENERGY AGENCY
District Heating and Cooling, including the integration of CHP
Economic and Design Optimization in
Integrating Renewable Energy and Waste
Heat with District Energy Systems
Presentation of the status report at the ExCo
meeting
New York City, USA - Sept. 19-21, 2013
Mark Spurr
FVB Energy Inc.
INTERNATIONAL
INTERNATIONAL
ENERGY
ENERGY
AGENCY
AGENCY
DistrictHeating
Heating and
and Cooling,
the the
integration
of CHPof CHP
District
Cooling,including
including
integration
5
Renewable Energy & Waste Heat (REWH)
High Grade Resources
•
Have reliably high temperatures that always exceed the DES supply temperature,
and can be used directly whenever it is available.
Low Grade Resources
•
Have lower temperatures that are sometimes or always insufficient relative to the
DES supply temperature but always sufficient relative to the DES return
temperature.
•
If the temperature of the source falls below the DES supply temperature, the
temperature must be polished with other energy sources.
Below Grade Resources
•
Always have temperatures lower than the return temperature in the DES, and
must be upgraded with a heat pump.
INTERNATIONAL ENERGY AGENCY
District Heating and Cooling, including the integration of CHP
7
Temperature of REWH resource
C
F
248
100
212
80
176
60
140
40
104
20
68
0
32
Industrial waste heat
Geothermal
Reciprocating engines
Flue gas
Heat pumps
Geo-exchange
120
Sewage heat recov.
284
Chiller heat recov.
140
Condensing heat rec.
320
Lubricating oil
160
Jacket water
356
Geothermal heat
180
Smelter off gas
392
Arc furnance (after rec.)
200
•
At what temperature is
the Renewable Energy
or Waste Heat (REWH)
available, and how does
it compare with the
supply and return
temperatures of the
DES?
•
Representative resource
temperatures (at left),
with heat pump increase
shown in grey.
INTERNATIONAL ENERGY AGENCY
District Heating and Cooling, including the integration of CHP
8
Project Improved maintenance strategies for
district heating pipe-lines
Presentation of the status report at the ExCo meeting
New York (USA) 19-21 September 2013
Nazdaneh Yarahmadi, SP Technical Research Institute of Sweden
INTERNATIONAL ENERGY AGENCY
District Heating and Cooling, including the integration of CHP
Objectives of project
•
Tools for obtaining actual technical status of pre-
insulated bonded pipes in operation
•
A model for decision making regarding actions to be
taken based on
– Technical status
– Forecasted operational parameters
– Requirements on robustness & redundancy
– Costs for energy loss, maintenance & reconstruction
•
Predicted degradation & remaining technical life based
on
– Accelerated aged pipes
– Pipes from field operation
– Synthesis of available studies
slide 10
INTERNATIONAL ENERGY AGENCY
District Heating and Cooling, including the integration of CHP
Status of project 1(3)
•
The accelerated ageing of pipes with both a
standard and a thinner casing is continuing.
•
The pipes are exposed to an ambient temperature
of 70°C. The service pipes are kept at four levels:
70°C, 130°C, 140°C and 150°C
•
Hence, accelerated ageing cause both deterioration
of PUR at service pipe and deterioration of
polyethylene casing.
slide 11
INTERNATIONAL ENERGY AGENCY
District Heating and Cooling, including the integration of CHP
Development of Universal Calculation Model and Calculation
Tool for Primary Energy Factors and CO Equivalents in District
Heating and Cooling including CHP
Contract number: IEA-X-C-004
Presentation of the status report at the ExCo meeting
New York, USA of ExCo meeting – 19th, 20nd to 21st of September 2013
Jacob Stang
SINTEF Energy
INTERNATIONAL ENERGY AGENCY
District Heating and Cooling, including the integration of CHP
Additives
Elec.
Fuel
handling
Power
grid
Distribution
net
Production
Construction
and
dismantling
Construction
and
dismantling
Ashes
INTERNATIONAL ENERGY AGENCY
Elec.
(pumps)
District Heating and Cooling, including the integration of CHP
Building
Ny utlysning for annex XI
Temaer:
 Cost Reduction in District Heating & Cooling
 System Transformation from High to Low
Temperature District Heating Operation
 Resource Planning and Business Development
 Søknadsfrist: 30. januar 2014
 Tildeling: Mai 2014
 Se for øvrig: http://iea-dhc.org/home.html