Steam-cracking in a fluid bed reaction zone
    32.
    发明授权
    Steam-cracking in a fluid bed reaction zone 失效
    在流化床反应区内进行蒸汽裂化

    公开(公告)号:US5039395A

    公开(公告)日:1991-08-13

    申请号:US192447

    申请日:1988-05-11

    摘要: The invention is directed to steam-cracking in a fluid bed reaction zone, of a charge of hydrocarbons having at least two carbon atoms per molecule.In this process the charge (3) circulates with steam (2) and inert solid particles, heated at a temperature T.sub.1 from 500.degree. to 1,800.degree. C., through at least one enclosure (7). A gas effluent is separated from the particles in the enclosure and fed to a quenching zone (8) opening into said enclosure. Said effluent is circulated with cooling second solid particles which are at a temperature T.sub.2 lower than T.sub.1 and at most equal to 800.degree. C. A steam-cracking effluent is then recovered through line (15).This process can be used in petrochemistry, particularly for producing ethylene and propylene.

    摘要翻译: 本发明涉及在流化床反应区中的蒸汽裂解,每分子具有至少两个碳原子的烃的电荷。 在这个过程中,电荷(3)与蒸汽(2)和惰性固体颗粒一起循环,惰性固体颗粒通过至少一个外壳(7)在温度T1从500℃加热到1800℃。 气体流出物与外壳中的颗粒分离并进料到通向所述外壳的淬火区域(8)。 所述流出物与冷却的第二固体颗粒一起循环,第二固体颗粒的温度T2低于T1,最多等于800℃。然后通过管线(15)回收蒸汽裂解流出物。 该方法可用于石油化学,特别是用于生产乙烯和丙烯。