Project meeting of STEP at the site of the company ATS - Agro Trading & Solutions in Hardegsen (Photo: DBFZ)

HeatValidation market potentialBiomass furnace

Project ID 03EI5426

FlexNOx - Development of an furnace with integrated fuel staging – reduction of NOx emissions and flexibilisation of a biomass combustion plant

Duration

  • 01.02.2021 – 31.01.2024

Contact

Fraunhofer Institute for Environmental, Safety, and Energy Technology UMSICHT, Institute Branch Sulzbach-Rosenberg
An der Maxhütte 1
92237 Sulzbach-Rosenberg

M.Eng. Martin Meiller — project leader / project coordinator
Telephone: +49-(0)9661 8155-421
E-mail: martin.meiller‍@‍umsicht.fraunhofer.de

Partner

03EI5426B - Endress Holzfeuerungsanlagen GmbH
03EI5426C - Friedrich Alexander-University Erlangen-Nürnberg (FAU)

Associated partners

Cooperation partners

Subpartner

Results

Planned results:

  • Plant level: technical center plant
  • Concept level: plant concept
  • Market level: license, components ready for the market
  • Data level: models/modeling, test series/-program
  • Publications: scientific paper (ISI, peer-reviewed)

Topic

The focus of the project is the stronger use of biomass and biogenic residues. Despite the fact that biomass is climate-friendly the utilization of this fuel correlate with high emissions. This contrast is particularly pronounced in the use of biomass residues and waste materials such as agricultural fuels or residual wood (for example residues from wood processing industry). On the one hand, high CO2 savings can be realized, but on the other hand, high emissions like nitrogen oxides occur.
To increase the use of biomass and biogenic fuels new technologies are needed. Therefore we development of a new combustion plant with integrated fuel staging. The combustion plant is able to use biomass with high nitrogen content, like residues from carpentries and wood processing companies, due to the innovative technic. An additional reduction zone ensures the degradation of NOx and increases fuel flexibility at the same time.

Aims

The aim of this project is the development and the test of a new combustion plant, which reduces NOx emissions more than 50 %, comparing with the state of the art. A further advantage of this construction is the increase of fuel flexibility. This innovation ensures also low emissions and high efficiency during part load applications.

Measures

Fraunhofer UMSICHT

AP 1 Assessment of current state
AP 2 Development and engineering
AP 3 Building a prototype and integrate in technical center
AP 4 Testing an developing approaches of optimization
AP 5 Wood dust as reductive
AP 6 Economical and ecological evaluation

Endress Holzfeuerungsanlagen GmbH

AP 1 Assessment of current state
AP 2 Development and engineering
AP 3 Building a prototype and integrate in technical center
AP 6 Economical and ecological evaluation

Friedrich-Alexander-Universität Erlangen-Nürnberg

AP 2 Development and engineering
AP 5 Wood dust as reductive

Focus

Fraunhofer UMSICHT

  • developing a technical measurement concept,
  • development of the firing system (basic engineering),
  • testing and developing of approaches of optimization in the technical center,
  • interpretation and evaluation of single components,
  • environmental assessment

Endress Holzfeuerungsanlagen GmbH

  • data collection,
  • development of the firing system (detail engineering),
  • set-up of the prototype,
  • assessment of economial feasibility

Friedrich-Alexander-Universität Erlangen-Nürnberg

  • CFD-simulation,
  • dimensioning

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