Optimal design of boiler feedwater pumping system: An approach to increase the energy efficiency of steam power plants

Behnam Zakeri*, Esa Vakkilainen, Juha Kaikko, Nora Lüthen

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

    Abstract

    Boiler feedwater pumps are among the most energy-intensive auxiliary parts in steam boiler plants. Maintaining high availability and reliability has traditionally dominated the optimal design of the boiler feedwater pumping system. The operation of thermal power plants under variable load, e.g. due to the introduction of intermittent renewable energy sources, imposes additional energy losses on the pumping systems. This study aims to establish an algorithm to optimize energy consumption, consequently, life cycle costs of the boiler pumping system under cyclic operation. A mathematical model is presented for the analysis and optimization of various boiler pumping systems, including single and multiple pumps in constant or variable speed. The results indicate considerable potential for energy savings up to 20% by the optimization of stage numbers, pump numbers in parallel, booster pump characteristics, and drive's speed.

    Original languageEnglish
    Title of host publication27th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, ECOS 2014
    EditorsR. Zevenhoven
    PublisherÅbo Akademi University
    ISBN (Electronic)9781634391344
    Publication statusPublished - 2014
    MoE publication typeA4 Article in a conference publication
    EventInternational Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems - Turku, Finland
    Duration: 15 Jun 201419 Jun 2014
    Conference number: 27

    Publication series

    NameInternational conference on efficiency, cost, optimization, simulation and environmental impact of energy systems
    ISSN (Print)2175-5418

    Conference

    ConferenceInternational Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems
    Abbreviated titleECOS
    CountryFinland
    CityTurku
    Period15/06/201419/06/2014

    Keywords

    • Boiler feed pump
    • Energy efficiency
    • Pump optimization
    • Steam power plant
    • Variable speed pumping.

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