• examination of a failure detected in the convection zone of a cracking furnace

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 612
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
      heat-transfer investigation and a failure analysis of a cracking furnace are presented. the cracking furnace, in which thermal decomposition of hydrocarbons occurs in its radiant section, represents a plug-flow reactor placed in a firebox in point of fluid mechanics and heat-transfer processes. the reacting mixture that consists of hydrocarbons and dilution steam is heated up by means of natural gas in the burners of radiant section. the aim of the investigation was to characterize the mechanical, chemical, and corrosion transformation processes occurring inside the convection zone and to examine a specific failure (leakage) process and damage. the geometrical model of the convection zone of the furnace was established by fluent software as well as the fluid mechanical model of the heating stage which covered the calculation of the flow characteristics and the temperature field resulted by the corresponding heat flow processes.

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