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

Biomass furnace Biomass technologies Power Heat

Project ID 03KB125

BiotAB - Increase of the energy efficiency of biomass power plants by the technical application of a biofuel catalogue

Icon project BiotAB Increase of the energy efficiency of biomass power plants by the technical application of a biofuel catalogue (Source: DBFZ)

Duration

  • 01.09.2017 – 31.08.2020

Contact

IBR Institut für angewandte Bau- und Reststoff-Forschung
Obergrombacher Straße 29
76646 Bruchsal

Dr.-Ing. Jürgen Reichelt – project leader
Telephone: +49-(0)7257 924 555
E-mail: ibr.reichelt‍@‍t-online.de

Partner

03KB125B - INTEC Engineering GmbH
  • Address:
  • INTEC Engineering GmbH
    John-Deere-Straße 43
    76646 Bruchsal
  • Contact:
  • Jochen Schöner
    Telephone: +49-(0) 7251 93243-31

03KB125C - Sondervermögen Großforschung beim KIT

Associated partners

03KB125 - Heizkraftwerk Pforzheim GmbH
03KB125 - Mannheimer Biomassekraftwerk

Cooperation partners

Subpartner

Results

Final report only available in german.

Key messages:

  1. On the basis of the biofuel catalog, caking and deposits from biomass power plants can be classified, as well as combustion chamber and boiler profiles can be drawn up, to show the relationship between caking and the structure of the combustion chamber as well as the relationship between deposits on heat exchanger surfaces and the structure of the boiler.
  2. Through sintering tests on a laboratory scale, as well as on a pilot plant scale, chemical-mineralogical reactions can be summed up during the thermal treatment of biofuels and biofuel mixtures, which lead to the formation of caking and films.
  3. The technical application of the biofuel catalog is to be used in the future as a generally valid instrument to predict the effect of various biofuels on the formation of caking in the combustion chamber and deposits in the convective boiler area.
  4. An expansion of the biofuel catalog to include the properties of residues from biomass power plants, such as rustscum, is planned.

Topic

The theme of the project is to increase the energy efficiency of biomass power plants by the technical application of a biofuel catalogue (BBC) developed by the applicants. The biomass catalogue should to be used as a general instrument to predict the effect of different biofuels on the formation of slags in the combustion chamber and deposits in the convective boiler area. It also provides the basis for fuel-based and process-oriented optimization options for BHP plants.

Aims

The scientific and technical work objectives are as follows:

  • Validation of the procedure for the preparation of the BBC and the transferability of the technical application of the BBC to BMHP plants, which are equipped with different process technologies
  • Simulation of the predicted chemical-mineralogical reactions for the formation of slags and deposits in the laboratory and technical scale for the combustion of waste wood and other selected biogenic residues and waste materials
  • Development of optimization possibilities for BMHP plants
  • Development of measures for an increased use of technically difficult biofuels

Measures

IBR

  • A comparative study of large scale tests, pilot plant tests and laboratory experiments, with a special focus on mineralogical and fuel-type test results

INTEC

  • Implementation and interpretation of the semi-technical tests at the INTEC test facility

Sondervermögen Großforschung beim KIT

  • Conducting of pilot and laboratory tests and a comparative interpretation of the chemical and fuel-typical test results

Focus

IBR

  • Project management, sampling, evaluation and interpretation of the mineralogical results, interpretation of the project results

INTEC

  • Implementation and interpretation of the experiments at the INTEC test facility

Sondervermögen Großforschung beim KIT

  • Implementation of the KLEAA tests, chemical analysis and evaluation (fuels, deposits and slags), ash utilization, interpretation of the overall results

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