Process for the production of ammonia

Details Process for the production of ammonia Process for the production of ammonia

C - Chemistry, Metallurgy

01

C

C01C 1/04 (2006.01) C01B 3/02 (2006.01) C01B 3/38 (2006.01) F22B 1/18 (2006.01) F28D 7/00 (2006.01) F28D 7/06 (2006.01) F28F 9/26 (2006.01)

Patent

CA 2728858

Process for the production of am-monia from a hydrocarbon feedstock all steam produced in the waste heat boilers of the reform-ing and ammonia section of the plant is superheat-ed in one or more steam superheaters located downstream the ammonia converter in the ammonia section of the plant. There is no need for steam superheater (s) in the reforming section of the plant to cool the synthesis gas. A steam super-heater for use in the process is also provided. The superheater comprises two compartments in which the first and second compartments are con-nected in series with respect to the steam flow and in parallel with respect to the process gas flow.

Processus de production dammoniac à partir dune charge dhydrocarbures, toute la vapeur produite dans les chaudières à chaleur résiduelle de la section de reformage et dammoniac de linstallation étant surchauffée dans un ou plusieurs surchauffeurs de vapeur situés en aval du convertisseur dammoniac dans la section dammoniac de linstallation. Aucun surchauffeur de vapeur nest nécessaire dans la section de reformage de linstallation pour refroidir le gaz de synthèse. L'invention concerne également un surchauffeur de vapeur destiné à être utilisé dans le processus de linvention. Ledit surchauffeur comporte un premier et un deuxième compartiment, ces deux compartiments étant reliés en série par rapport à la circulation de vapeur et en parallèle par rapport à la circulation du gaz de processus.

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