Slagging and fouling prediction by dynamic boiler modelling (slagmod)

Información del proyecto

SLAGMOD

Identificador del acuerdo de subvención: ERK5-CT-1999-00009

Proyecto cerrado

Fecha de inicio 1 Febrero 2000

Fecha de finalización 31 Enero 2003

Financiado con arreglo a

• Programme for research, technological development and demonstration on "Energy, environment and sustainable development, 1998-2002"

Coste total

€ 1 733 034,00

Aportación de la UE

€ 1 171 858,00

Coordinado por

UNIVERSITAET STUTTGART
Germany

Objetivo

In order to promote a wide spread utilisation of decentralised biomass combustion operational problems like slagging, fouling and corrosion have to be solved or reduced. Based on existing and measured steam data, an on-line dynamic model of the A thermodynamic model to monitor the heat transfer of a biomass fired fluidised boiler has been developed and successfully applied. The modular structure of the model makes it a tool for detecting and analysing local slagging and fouling deposits. The model could also be used as a "soft sensor" to analyse the varying fuel quality. If obtained in parallel, fuel and ash measurements can therefore be correlated to the simulation and give an insight in the deposit mechanism. During the project the necessary sub-models and gross plant models have been developed: - Dynamic boiler model (Fortran based) for the Uppsala boiler (USTUTT) - Dynamic boiler model (ACM) for the Nyköping and the Uppsala boiler (TUD) - Steady state boiler model (Fortran based) for the monitoring of Uppsala and Nyköping (IST) - NTUA sub models (radiation model, conduction model, deposit properties model and heat transfer model) Results: During the winter 2000/2001 an extensive measurement campaign at two Swedish power plants was carried out to provide the necessary input data for the offline development and validation of the models. During this campaign the combustion temperature in the plants was measured continuously by acoustic pyrometry.

Furthermore fuel and ash samples were taken and analysed in the IVD fuel laboratory as an additional input for the heat exchanger model (NTUA). During summer 2001 a first set-up of a new designed slagging probe was used in a test facility to receive additional information about the deposit. This was done in co-operation of TUD and USTUTT at the IVD. The available data from the winter measurement campaign have been used in the offline models for further tests. During winter 2001/2002 the steady state model of TUD was successfully tested online at the Uppsala and the Nyköping plant as well as the dynamic model for Nyköping. Included to another measurement campaign AAU provided impactor measurements and fuel / ashes analyses. Essentials of a user interface have been set-up by IST. During summer 2002 the slag characterisation at the USTUTT test facility was continued with an improved probe in co-operation with NTUA and TUD. The integration of the WADA model to the monitoring model of IST was not ready at the end of the project term due to delayed testing of the WADA model at the power plants in Sweden. Both programmes have been tested separately and successfully during the project term to fulfil the objectives of the project. They are working on a stand alone basis at the moment.

Ámbito científico (EuroSciVoc)

• ingeniería y tecnología › ingeniería ambiental › energía y combustibles › energía de biomasa
• ciencias naturales › ciencias físicas › termodinámica
• ingeniería y tecnología › ingeniería eléctrica, ingeniería electrónica, ingeniería de la información › ingeniería electrónica › sensores

Programa(s)

• FP5-EESD - Programme for research, technological development and demonstration on "Energy, environment and sustainable development, 1998-2002"

Tema(s)

• 1.1.4.-5. - Key action Cleaner Energy Systems, including Renewable Energies

Convocatoria de propuestas

Datos no disponibles

Régimen de financiación

CSC - Cost-sharing contracts

Coordinador

UNIVERSITAET STUTTGART

• Aportación de la UE: Sin datos
• Dirección: Pfaffenwaldring 23 ; 70569 STUTTGART ; Alemania
• Coste total: Sin datos

Participantes (5)

AABO AKADEMI UNIVERSITY

Finlandia

• Aportación de la UE: Sin datos
• Dirección: 14-18B,Lemminkäinengatan 14-18 B ; 20500 TURKU / ABO
• Coste total: Sin datos

DELFT UNIVERSITY OF TECHNOLOGY

Países Bajos

• Aportación de la UE: Sin datos
• Dirección: Mekelweg 2 ; 2629 CD DELFT
• Coste total: Sin datos

INSTITUTO SUPERIOR TECNICO

Portugal

• Aportación de la UE: Sin datos
• Dirección: Avenida Rovisco Pais ; 1096 LISBOA
• Coste total: Sin datos

NATIONAL TECHNICAL UNIVERSITY OF ATHENS

Grecia

• Aportación de la UE: Sin datos
• Dirección: HEROON POLYTECHNIOU ST. 9 ; 10682 ATHENS
• Coste total: Sin datos

VATTENFALL AB

Suecia

• Aportación de la UE: Sin datos
• Dirección: Laemtlandsgatan 99 ; 162 87 STOCKHOLM
• Coste total: Sin datos