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1. WO2014173496 - METHOD FOR OBTAINING AN AIR PRODUCT IN AN AIR SEPARATING SYSTEM WITH TEMPORARY STORAGE, AND AIR SEPARATING SYSTEM

Publication Number WO/2014/173496
Publication Date 30.10.2014
International Application No. PCT/EP2014/000937
International Filing Date 08.04.2014
IPC
F25J 3/04 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
JLIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT
3Processes or apparatus for separating the constituents of gaseous mixtures involving the use of liquefaction or solidification
02by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
04for air
CPC
F17C 2221/011
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
2221Handled fluid, in particular type of fluid
01Pure fluids
011Oxygen
F17C 7/04
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
17STORING OR DISTRIBUTING GASES OR LIQUIDS
CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
7Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
02Discharging liquefied gases
04with change of state, e.g. vaporisation
F25J 2200/94
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS ; OR LIQUEFIED GASEOUS; MIXTURES BY PRESSURE AND COLD TREATMENT ; OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
2200Processes or apparatus using separation by rectification
90Details relating to column internals, e.g. structured packing, gas or liquid distribution
94Details relating to the withdrawal point
F25J 2215/50
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS ; OR LIQUEFIED GASEOUS; MIXTURES BY PRESSURE AND COLD TREATMENT ; OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
2215Processes characterised by the type or other details of the product stream
50Oxygen or special cases, e.g. isotope-mixtures or low purity O2
F25J 2215/56
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS ; OR LIQUEFIED GASEOUS; MIXTURES BY PRESSURE AND COLD TREATMENT ; OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
2215Processes characterised by the type or other details of the product stream
50Oxygen or special cases, e.g. isotope-mixtures or low purity O2
56Ultra high purity oxygen, i.e. generally more than 99,9% O2
F25J 2220/50
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS ; OR LIQUEFIED GASEOUS; MIXTURES BY PRESSURE AND COLD TREATMENT ; OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
2220Processes or apparatus involving steps for the removal of impurities
50Separating low boiling, i.e. more volatile components from oxygen, e.g. N2, Ar
Applicants
  • LINDE AKTIENGESELLSCHAFT [DE]/[DE]
Inventors
  • LOCHNER, Stefan
Agents
  • LINDE AG [DE]/[DE]
Priority Data
13002196.725.04.2013EP
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) VERFAHREN ZUR GEWINNUNG EINES LUFTPRODUKTS IN EINER LUFTZERLEGUNGSANLAGE MIT ZWISCHENSPEICHERUNG UND LUFTZERLEGUNGSANLAGE
(EN) METHOD FOR OBTAINING AN AIR PRODUCT IN AN AIR SEPARATING SYSTEM WITH TEMPORARY STORAGE, AND AIR SEPARATING SYSTEM
(FR) PROCÉDÉ PERMETTANT D'OBTENIR UN PRODUIT AIR DANS UNE INSTALLATION DE SÉPARATION DE L'AIR À STOCKAGE TEMPORAIRE ET INSTALLATION DE SÉPARATION DE L'AIR
Abstract
(DE)
Es wird ein Verfahren zur Gewinnung eines Luftprodukts (GOX-IC) in einer Luftzerlegungsanlage (100), in der aus Einsatzluft (8) eine Flüssigfraktion (41) gewonnen und zur Bereitstellung des Luftprodukts (GOX-IC) verwendet wird, wobei die Flüssigfraktion (41) in einer Tankanordnung (70) zwischengespeichert wird, vorgeschlagen, wobei eine Tankanordnung (70) mit wenigstens zwei Tanks (72) verwendet wird, wobei die Flüssigfraktion (41) zumindest einem der Tanks (72) zugeführt und/oder zumindest einem der Tanks (72) zur Bereitstellung des Luftprodukts (GOX-IC) entnommen wird und dieses dabei keinem der Tanks (72) gleichzeitig zugeführt und entnommen wird, und wobei jeweils vor dem Entnehmen der Flüssigfraktion (41) aus einem Tank (72) die Zusammensetzung der Flüssigfraktion (41) in dem Tank (72) ermittelt wird. Eine Luftzerlegungsanlage (100) ist ebenfalls Gegenstand der vorliegenden Erfindung.
(EN)
The invention relates to a method for obtaining an air product (GOX-IC) in an air separating system (100) in which a liquid fraction (41) is obtained from feed air (8) and used to provide the air product (GOX-IC) and in which the liquid fraction (41) is temporarily stored in a tank arrangement (70). A tank arrangement (70) with at least two tanks (72) is used, and the liquid fraction (41) is fed to at least one of the tanks (72) and/or is removed from at least one of the tanks (72) in order to provide the air product (GOX-IC). In the process, the liquid fraction is not fed to and removed from any one of the tanks (72) at the same time, and the composition of the liquid fraction (41) in a tank (72) is ascertained prior to each removal of the liquid fraction (41) from the tank (72). The invention likewise relates to an air separating system (100).
(FR)
L'invention concerne un procédé permettant d'obtenir un produit air (GOX-IC) dans une installation de séparation de l'air (100), dans laquelle une fraction liquide (41) est obtenue à partir d'un air de charge (8) et utilisée pour fournir le produit air (GOX-IC), la fraction liquide (41) étant stockée temporairement dans un ensemble de réservoirs (70). Un ensemble de réservoirs (70) pourvu d'au moins deux réservoirs (72) est utilisé, la fraction liquide (41) étant amenée à au moins un des réservoirs (72) et/ou prélevée d'au moins un des réservoirs (72) pour fournir le produit air (GOX-IC) et celui-ci ne pouvant être à la fois amené à l'un des réservoirs (72) et en être prélevé, et la composition de la fraction liquide (41) dans le réservoir (72) étant déterminée respectivement avant le prélèvement de la fraction liquide (41) d'un réservoir (72). L'invention concerne également une installation de séparation de l'air (100).
Also published as
Latest bibliographic data on file with the International Bureau