Using computational fluid dynamics to modify a waste-heat boiler design

Yongxiang Yang*, Ari Jokilaakso, Pekka Taskinen, Markku Kyto

*Corresponding author for this work

    Research output: Contribution to journalArticleScientificpeer-review

    12 Citations (Scopus)


    This article describes the use of a general-purpose computational-fluid-dynamics code for improving and optimizing waste-heat boilers in the Outokumpu flash smelting process. The codes offer opportunities to study the transport phenomena for fluid and particulate flow and heat and mass transfer. The simulation includes gas- and dust-flow behaviors and gas cooling by convection and radiation. The results were used in the boiler modification for increased capacity and higher cooling efficiency. The modified boiler, with its unique design, has been in use at Outokumpu's Harjavalta copper smelter since June 1995 with excellent performance.

    Original languageEnglish
    Pages (from-to)36-39
    Number of pages4
    Issue number5
    Publication statusPublished - 1999
    MoE publication typeA1 Journal article-refereed


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