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    • 38. 发明授权
    • Method of decoking an installation for steam cracking hydrocarbons, and
a corresponding steam-cracking installation
    • 破坏蒸汽破碎油的安装方法及相应的蒸汽破碎装置
    • US5186815A
    • 1993-02-16
    • US623730
    • 1990-12-12
    • Eric Lenglet
    • Eric Lenglet
    • C10G9/16F28G1/12
    • C10G9/16F28G1/12Y10S585/95
    • A method of decoking the inside walls of a hydrocarbon steam-cracking installation by means of solid particles of very small size, which particles are injected into the hydrocarbon feedstock flowing through tubes (12) of the steam-cracking furnace (10) and through indirect quench means (16). A cyclone (28) at the outlet from said indirect-quench means serving to separate the solid particles from the gaseous products and enabling the solid particles to be recycled through the installation after being mixed with a liquid or a gas and after their pressure has been raised. The invention also relates to a steam-cracking installation enabling the method to be performed.
    • PCT No.PCT / FR90 / 00272 Sec。 371 1990年12月12日第 102(e)1990年12月12日日期PCT提交1990年4月13日PCT公布。 WO90 / 12851 PCT出版物 日期:1990年11月1日。一种利用非常小尺寸的固体颗粒对烃蒸汽裂解装置的内壁进行脱焦的方法,该颗粒被注入流过蒸汽裂化管(12)的烃原料中 炉(10)和间接淬火装置(16)。 来自所述间接骤冷装置的出口处的旋风分离器(28)用于将固体颗粒与气态产物分离,并使固体颗粒在与液体或气体混合之后并且在它们的压力已经被 上调。 本发明还涉及能够执行该方法的蒸汽裂解装置。