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Model-based performance monitoring in a recovery boiler: proof of concept
RISE - Research Institutes of Sweden, Bioeconomy.
RISE - Research Institutes of Sweden, Bioeconomy.
RISE - Research Institutes of Sweden, Bioeconomy.
Stora Enso, Sweden.
Show others and affiliations
2017 (English)In: International chemical recovery conference, May 24-26, 2017, Halifax, Canada, 2017Conference paper, Published paper (Refereed)
Abstract [en]

The concept of model-based performance monitoring has been tested in a recovery boiler operating in a Swedish kraft pulp mill. Key performance indicators (KPI) have been calculated and used to visualise the degree of fouling of boiler bank, super heaters and economiser of the recovery boiler. The KPIs illustrate the actual degree of fouling independently from the actual thermal load. The presented tool enables an early warning for massive fouling in the boiler. Even smaller changes in boiler performance can be followed enabling operation close to maximum capacity. The tool may also support operators to test modifications of the operation, for instance. A trend for the sticky temperature of dust particles has been added as a first approach to provide a measure for a critical flue gas temperature. That trend in combination with an indirectly measured flue gas temperature adds further value to model-based performance monitoring.

Place, publisher, year, edition, pages
2017.
Keywords [en]
model, performance, performance evaluation, recovery furnace, cleanliness, temperature, heat transfer, modelling
National Category
Paper, Pulp and Fiber Technology
Identifiers
URN: urn:nbn:se:ri:diva-33023OAI: oai:DiVA.org:ri-33023DiVA, id: diva2:1172765
Conference
International chemical recovery conference (ICRC 2017), May 24-26, 2017, Halifax, Canada
Available from: 2018-01-10 Created: 2018-01-10 Last updated: 2018-01-11Bibliographically approved

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CiteExportLink to record
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  • apa
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