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    • 1. 发明申请
    • Method and apparatus for carrying out exothermic gas phase reactions
    • 进行放热气相反应的方法和装置
    • US20060024222A1
    • 2006-02-02
    • US11193972
    • 2005-07-29
    • Josef DachsWolfgang SchusterRolf BankManfred Lehr
    • Josef DachsWolfgang SchusterRolf BankManfred Lehr
    • F28D7/00C01B15/013
    • F28F1/40B01J8/06B01J8/067B01J19/002B01J2208/00238B01J2208/0084B01J2208/00849B01J2219/00263
    • With a method for operating a tube bundle reactor for exothermic gas phase reactions having a tube bundle with catalyst-filled reaction tubes (2), wherein the one ends of the reaction tubes are spanned by a gas inlet hood and the other ends are spanned by a gas outlet hood and wherein around the outside of the reaction tubes a heat transfer medium flows to carry off reaction heat. An explosive gas mixture (G) is introduced into the reaction tubes (2) via the gas inlet hood and after reaction the gas mixture (G), that may still be explosive, it is led off from the reaction tubes via the gas outlet hood. A limit temperature in the reaction tubes (2) is specified that lies above the normal operating temperatures in the reaction tubes (2) but at most equals the ignition temperature of the explosive gas mixture (G) Each non-operating high temperature region (7) forming in the reaction tubes (2) whose temperature is at least equal to the limit temperature and which migrates in the respective reaction tube (2) in the longitudinal direction thereof is stopped while still in the reaction tube (2) so that the high temperature region (7) is prevented from advancing into the gas inlet hood or the gas outlet hood.
    • 使用具有管束的放出气相反应管管式反应器的方法,其中催化剂填充的反应管(2),其中反应管的一端由气体入口罩跨过,另一端被 气体出口罩,并且其中在反应管的外部,传热介质流动以携带反应热。 爆炸性气体混合物(G)通过进气口引入反应管(2),反应后气体混合物(G)可能仍然是爆炸性的,通过气体出口罩从反应管中引出 。 规定反应管(2)中的极限温度高于反应管(2)的正常工作温度,但最多等于爆炸性气体混合物(G)的点火温度。每个非工作高温区域(7) )在反应管(2)中形成,其温度至少等于极限温度,并且在反应管(2)的纵向方向上迁移到反应管(2)中,同时停留在反应管(2)中,使得高 温度区域(7)被阻止进入气体入口罩或气体出口罩。