Article (Scientific journals)
Integration of heat storage system into district heating networks fed by a biomass CHP plant
Sartor, Kevin; Dewallef, Pierre
2018In Journal of Energy Storage, 15, p. 350-358
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Keywords :
Heat storage; Biomass; CHP; DHN; District heating network; Combined heat and power
Abstract :
[en] Biomass Combined Heat and Power (CHP) plants connected to district heating networks (DHN) are recognized as a very good opportunity to increase the share of renewable sources into energy systems. However, as CHP plants are not optimized for electricity production, their operation is profitable only if a sufficient heat demand is available throughout the year. On the other hand, these plants often work for baseline operations and back-up boilers are used to supply the peak demand. To extend the use of the CHP plants and reduce costs, conventional fuel use and emissions, it is proposed to study the feasibility of using the DHN itself or additional high temperature heat storage as retrofit of an existing CHP plant. This work is based on a simple and effective methodology that provides accurate estimations of economic, environmental and energetic performances of CHP plants connected to district heating networks. The focus is performed on the integration of the heat storage as retrofit of existing DHN considering the local policies. The DHN of the University in Liège (Belgium) is used as an application framework to demonstrate the effectiveness of the selected approach. The potential energy, pollutant emissions savings and resulting energy costs are estimated and the current policy limitations will be discussed.
Disciplines :
Energy
Author, co-author :
Sartor, Kevin ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes de conversion d'énergie pour un dévelop.durable
Dewallef, Pierre ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Systèmes de conversion d'énergie pour un dévelop.durable
Language :
English
Title :
Integration of heat storage system into district heating networks fed by a biomass CHP plant
Publication date :
February 2018
Journal title :
Journal of Energy Storage
ISSN :
2352-1538
eISSN :
2352-152X
Publisher :
Elsevier, Oxford, United Kingdom
Volume :
15
Pages :
350-358
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 01 June 2018

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