EP 0452177 A1 19911016 - Process and installation for the production of gaseous nitrogen and system for its provision.
Title (en)
Process and installation for the production of gaseous nitrogen and system for its provision.
Title (de)
Verfahren und Vorrichtung zur Produktion gasförmigen Stickstoffs und System zu dessen Bereitstellung.
Title (fr)
Procédé et installation de production d'azote gazeux, et système de fourniture d'azote correspondant.
Publication
Application
Priority
FR 9004566 A 19900410
Abstract (en)
Upon installation start-up there is introduced into the head of the column (10) a flow of liquid nitrogen at least equal to the rated flow of gaseous nitrogen. The flow of liquid nitrogen is then adjusted to a small fraction of this rated flow. <??>Application to the production of gaseous nitrogen with a variable and moderate flow. <IMAGE>
IPC 1-7
IPC 8 full level
F25J 3/04 (2006.01)
CPC (source: EP US)
F25J 3/04018 (2013.01 - EP US); F25J 3/04054 (2013.01 - EP US); F25J 3/04254 (2013.01 - EP US); F25J 3/044 (2013.01 - EP US); F25J 3/04818 (2013.01 - EP US); F25J 3/04824 (2013.01 - EP US); F25J 3/04836 (2013.01 - EP US); F25J 3/04951 (2013.01 - EP US); F25J 3/04963 (2013.01 - EP US); F25J 2210/42 (2013.01 - EP US); F25J 2230/02 (2013.01 - EP US); F25J 2250/40 (2013.01 - EP US); F25J 2250/42 (2013.01 - EP US); F25J 2270/904 (2013.01 - EP US); F25J 2290/60 (2013.01 - EP US); F25J 2290/62 (2013.01 - EP US); Y10S 62/913 (2013.01 - EP US)
Citation (search report)
- [X] EP 0190355 A1 19860813 - DAIDO OXYGEN [JP]
- [X] FR 2225705 A1 19741108 - CRYOPLANTS LTD [GB]
Designated contracting state (EPC)
BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0452177 A1 19911016; EP 0452177 B1 19950419; AU 642991 B2 19931104; AU 7418191 A 19911017; CA 2039939 A1 19911011; DE 69108973 D1 19950524; DE 69108973 T2 19950831; ES 2071246 T3 19950616; FR 2660741 A1 19911011; FR 2660741 B1 19950428; JP 3231799 B2 20011126; JP H0587446 A 19930406; US 5157927 A 19921027; ZA 912591 B 19920129
DOCDB simple family (application)
EP 91400784 A 19910322; AU 7418191 A 19910409; CA 2039939 A 19910408; DE 69108973 T 19910322; ES 91400784 T 19910322; FR 9004566 A 19900410; JP 7160791 A 19910404; US 67351891 A 19910322; ZA 912591 A 19910408