Monitoring solid flow in a circulating fluidised bed with external heat exchanger by electrical capacitance tomography

H. G. Wang, G. Z. Qiu, G. R. Zhao, X. Z. Mou, Q. G. Lu, W. Q. Yang

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

    Abstract

    Two circular electrical capacitance tomography (ECT) sensors have been designed and used to monitor the solids flow in a cold circulating fluidised bed (CFB) with an external heat exchanger (EHE). The ECT sensors have eight electrodes and were mounted in the side tube and return tube above the EHE via pneumatically controlled loop seal respectively. Dynamics test with different process conditions are given. Image reconstruction results in the cross-sectional of the two tubes are compared and averaged measured signals are given. The results indicate that the solid flow can be controlled in the EHE based on ECT measurement. © 2012 IEEE.
    Original languageEnglish
    Title of host publicationIST 2012 - 2012 IEEE International Conference on Imaging Systems and Techniques, Proceedings|IST - IEEE Int. Conf. Imaging Syst. Tech., Proc.
    Place of PublicationUSA
    PublisherIEEE
    Pages78-82
    Number of pages4
    ISBN (Print)9781457717741
    DOIs
    Publication statusPublished - 2012
    Event2012 IEEE International Conference on Imaging Systems and Techniques, IST 2012 - Manchester
    Duration: 1 Jul 2012 → …

    Conference

    Conference2012 IEEE International Conference on Imaging Systems and Techniques, IST 2012
    CityManchester
    Period1/07/12 → …

    Keywords

    • CFB
    • ECT
    • External heat exchanger
    • Solid flow

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