Heat exchanger material optimization possibilities with corrosion probe measurements

Satu Tuurna (Corresponding author), Pekka Pohjanne, Tuomo Kinnunen

    Research output: Contribution to conferenceConference articleScientificpeer-review

    Abstract

    As the world moves towards zero emission solutions, the substitution of fossil fuels through alternative fuels, e.g. waste and biomass, is of great interest. One of the most serious problems such plants face is severe corrosion. Often corrosion limits the maximum achievable operation temperature and pressure, and in worst-case uncontrolled corrosion leads to the emergency shutdown of boiler. The repair actions due to corrosion failures are highly expensive. Thus different monitoring systems are used to follow and estimate the progress of corrosion phenomena in the processes. Corrosion monitoring gives valuable information from the boiler operation and its effects on the corrosion and thus provide tools for proactive boiler operation to avoid hazardous operating modes and to extend the life of tubes and pipings. Systematic monitoring provides a cost-effective way to improve reliability of critical components, reduces unscheduled breakdowns and increases overall business profitability. Probes can also be used to define the critical temperature ranges of materials for example during the planning of foreseeing changes in operational parameters. The paper describes the corrosion measurement campaigns carried out at boiler burning industrial and municipal solid waste. Two types of air-cooled probes were used in the studies: One multisample probe to compare corrosion behaviour of alternative superheater materials and one temperature gradient probe to determine the temperature regions with acceptable corrosion rates in the operation conditions.
    Original languageEnglish
    Number of pages12
    Publication statusPublished - 9 May 2018
    MoE publication typeNot Eligible
    EventNACE International - High Temperature Corrosion Mitigation in Energy Sectors Conference: Poland Corrosion Conference 2018 - Krakow, Poland
    Duration: 9 May 201810 May 2018
    https://10times.com/high-temperature-corrosion-mitigation-conference

    Conference

    ConferenceNACE International - High Temperature Corrosion Mitigation in Energy Sectors Conference
    Abbreviated titleHTCMESC 2018
    CountryPoland
    CityKrakow
    Period9/05/1810/05/18
    Internet address

    Fingerprint

    Heat exchangers
    Corrosion
    Boilers
    Monitoring
    Superheaters
    Municipal solid waste
    Alternative fuels
    Corrosion rate
    Fossil fuels
    Thermal gradients
    Temperature
    Profitability
    Biomass
    Repair
    Substitution reactions
    Planning
    Air
    Costs
    Industry

    Keywords

    • high temperature monitoring
    • corrosion
    • power production

    Cite this

    Tuurna, S., Pohjanne, P., & Kinnunen, T. (2018). Heat exchanger material optimization possibilities with corrosion probe measurements. Paper presented at NACE International - High Temperature Corrosion Mitigation in Energy Sectors Conference, Krakow, Poland.
    Tuurna, Satu ; Pohjanne, Pekka ; Kinnunen, Tuomo. / Heat exchanger material optimization possibilities with corrosion probe measurements. Paper presented at NACE International - High Temperature Corrosion Mitigation in Energy Sectors Conference, Krakow, Poland.12 p.
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    Tuurna, S, Pohjanne, P & Kinnunen, T 2018, 'Heat exchanger material optimization possibilities with corrosion probe measurements', Paper presented at NACE International - High Temperature Corrosion Mitigation in Energy Sectors Conference, Krakow, Poland, 9/05/18 - 10/05/18.

    Heat exchanger material optimization possibilities with corrosion probe measurements. / Tuurna, Satu (Corresponding author); Pohjanne, Pekka; Kinnunen, Tuomo.

    2018. Paper presented at NACE International - High Temperature Corrosion Mitigation in Energy Sectors Conference, Krakow, Poland.

    Research output: Contribution to conferenceConference articleScientificpeer-review

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    AU - Tuurna, Satu

    AU - Pohjanne, Pekka

    AU - Kinnunen, Tuomo

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    N2 - As the world moves towards zero emission solutions, the substitution of fossil fuels through alternative fuels, e.g. waste and biomass, is of great interest. One of the most serious problems such plants face is severe corrosion. Often corrosion limits the maximum achievable operation temperature and pressure, and in worst-case uncontrolled corrosion leads to the emergency shutdown of boiler. The repair actions due to corrosion failures are highly expensive. Thus different monitoring systems are used to follow and estimate the progress of corrosion phenomena in the processes. Corrosion monitoring gives valuable information from the boiler operation and its effects on the corrosion and thus provide tools for proactive boiler operation to avoid hazardous operating modes and to extend the life of tubes and pipings. Systematic monitoring provides a cost-effective way to improve reliability of critical components, reduces unscheduled breakdowns and increases overall business profitability. Probes can also be used to define the critical temperature ranges of materials for example during the planning of foreseeing changes in operational parameters. The paper describes the corrosion measurement campaigns carried out at boiler burning industrial and municipal solid waste. Two types of air-cooled probes were used in the studies: One multisample probe to compare corrosion behaviour of alternative superheater materials and one temperature gradient probe to determine the temperature regions with acceptable corrosion rates in the operation conditions.

    AB - As the world moves towards zero emission solutions, the substitution of fossil fuels through alternative fuels, e.g. waste and biomass, is of great interest. One of the most serious problems such plants face is severe corrosion. Often corrosion limits the maximum achievable operation temperature and pressure, and in worst-case uncontrolled corrosion leads to the emergency shutdown of boiler. The repair actions due to corrosion failures are highly expensive. Thus different monitoring systems are used to follow and estimate the progress of corrosion phenomena in the processes. Corrosion monitoring gives valuable information from the boiler operation and its effects on the corrosion and thus provide tools for proactive boiler operation to avoid hazardous operating modes and to extend the life of tubes and pipings. Systematic monitoring provides a cost-effective way to improve reliability of critical components, reduces unscheduled breakdowns and increases overall business profitability. Probes can also be used to define the critical temperature ranges of materials for example during the planning of foreseeing changes in operational parameters. The paper describes the corrosion measurement campaigns carried out at boiler burning industrial and municipal solid waste. Two types of air-cooled probes were used in the studies: One multisample probe to compare corrosion behaviour of alternative superheater materials and one temperature gradient probe to determine the temperature regions with acceptable corrosion rates in the operation conditions.

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    Tuurna S, Pohjanne P, Kinnunen T. Heat exchanger material optimization possibilities with corrosion probe measurements. 2018. Paper presented at NACE International - High Temperature Corrosion Mitigation in Energy Sectors Conference, Krakow, Poland.