Laboratory distillation apparatus

专利名称：Laboratory distillation apparatus发明人：DUFFAS, DANIEL,SERNA, PIERRE申请号：EP90401808.2申请日：19900626公开号：EP0406093A1公开日：19910102

专利附图：

摘要：Laboratory distillation device for extracting compounds from crude petroleum,consisting of a flask-shaped boiler vessel (1) connected to a vapour extraction column(16) comprising in the boiler part (1) a stack (4) made of perforated sheet metal defininga heating space between itself and the walls (13) of the boiler, a heating collar (20)

surrounding at least a part of the outer surface of the boiler in the region of the stack(4), characterised in that it comprises means (30, 31, 6) for injection at the base of theheating space of a neutral gas whose flow rate is regulated (62, 63, ) as a function ofthe flow rate of the vapour.

申请人：SOCIETE NATIONALE ELF AQUITAINE (PRODUCTION)

地址：TOUR ELF, 2, PLACE DE LA COUPOLE, LA DEFENSE 6; F-92400 COURBEVOIE,TourElf, 2, Place de la Coupole, La Défense 6 F-92400 Courbevoie FR

国籍：FR

代理机构：Boillot, Marc

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