Patent ID: 7842255
Filing Date: 2010-11-30
Classification: B01D,B01J,C07C,F28D,F28F,Y02P

Abstract:
1. A carbamate condensation unit of the submerged type for carbamate condensation of a carbon dioxide/ammonia gaseous phase in a liquid phase, comprising: a heat exchange tube bundle having a predetermined number of first tubes intended for carbamate condensation at their interior and a predetermined number of second tubes intended for circulation of said liquid phase inside said condensation unit from an upper portion of the condensation unit to a lower portion of the condensation unit; a gas distribution chamber for collecting said gas phase fed to said condensation unit; and a plurality of connecting ducts extending from said gas distribution chamber to the interior of said first tubes intended for condensation, so as to obtain a direct gas communication between said chamber and said first tubes.