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مواد و طراحی
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • corrosion evaluation of one dry desulfurization equipment – circulating fluidized bed boiler

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 418
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     as a clean fuel combustion technology, circulating fluidized bed (cfb) possesses various advantages. among them, flexibility in fuels and superiority in desulfurization are the two prominent ones and can hereby facilitate sufficient utilization of high-sulfur fuels. but unfortunately, these low-grade fuels always introduce harsh service environment within the cfb boilers and consequently result in severe degradation extent on relevant equipments, especially the high-temperature sulfur corrosion. in this event, by nearly ten characterization methods, comprehensive investigation was carried out on a whole cfb boiler during downtime, and special emphasis was particularly laid on the failure components including one perforated nozzle along with its fractured inlet tube for primary air, and one perforated manhole door of refeed valve. finally, countermeasure and suggestion was put forward, which can provide instructive significance in corrosion prevention for the cfb boilers, even other desulfurization equipments, running under similar aggressive conditions in engineering practice.

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