BRPI0416372A - process and installation of high purity oxygen by cryogenic air distillation - Google Patents
process and installation of high purity oxygen by cryogenic air distillationInfo
- Publication number
- BRPI0416372A BRPI0416372A BRPI0416372-9A BRPI0416372A BRPI0416372A BR PI0416372 A BRPI0416372 A BR PI0416372A BR PI0416372 A BRPI0416372 A BR PI0416372A BR PI0416372 A BRPI0416372 A BR PI0416372A
- Authority
- BR
- Brazil
- Prior art keywords
- purity oxygen
- column
- high purity
- pressure column
- oxygen
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04951—Arrangements of multiple air fractionation units or multiple equipments fulfilling the same process step, e.g. multiple trains in a network
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/0429—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
- F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low pressure column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
- F25J3/04412—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/0446—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using the heat generated by mixing two different phases
- F25J3/04466—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using the heat generated by mixing two different phases for producing oxygen as a mixing column overhead gas by mixing gaseous air feed and liquid oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04527—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
- F25J3/04551—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the metal production
- F25J3/04557—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the metal production for pig iron or steel making, e.g. blast furnace, Corex
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04593—The air gas consuming unit is also fed by an air stream
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04593—The air gas consuming unit is also fed by an air stream
- F25J3/046—Completely integrated air feed compression, i.e. common MAC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
- F25J3/04593—The air gas consuming unit is also fed by an air stream
- F25J3/04606—Partially integrated air feed compression, i.e. independent MAC for the air fractionation unit plus additional air feed from the air gas consuming unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04812—Different modes, i.e. "runs" of operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04812—Different modes, i.e. "runs" of operation
- F25J3/04824—Stopping of the process, e.g. defrosting or deriming; Back-up procedures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/04—Processes or apparatus using separation by rectification in a dual pressure main column system
- F25J2200/06—Processes or apparatus using separation by rectification in a dual pressure main column system in a classical double column flow-sheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/02—Mixing or blending of fluids to yield a certain product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/50—Oxygen or special cases, e.g. isotope-mixtures or low purity O2
- F25J2215/52—Oxygen production with multiple purity O2
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/50—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being oxygen
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Blast Furnaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
"PROCESSO E INSTALAçãO DE FORNECIMENTO DE OXIGêNIO DE ELEVADA PUREZA POR DESTILAçãO CRIOGêNICA DE AR". Em um processo de fornecimento de oxigênio de alta pureza por destilação criogênica de ar, a partir de uma instalação que compreende um primeiro (1) e um segundo (2) aparelhos de separação de ar, compreendendo uma coluna média pressão, uma coluna baixa pressão termicamente ligada com a coluna média pressão e uma coluna de mistura na qual se envia o ar a destilar à coluna média pressão, se enviam líquidos enriquecidos com oxigênio e com nitrogênio da coluna média pressão à coluna baixa pressão, de acordo com um primeiro funcionamento do aparelho, se envia na cabeça da coluna de mistura uma vazão de líquido enriquecido em oxigênio proveniente da coluna baixa pressão, se estira na cabeça da coluna de mistura, uma vazão de oxigênio baixa pureza e se envia pelo menos uma parte (3) a uma primeira unidade consumidora (5) e o segundo aparelho (2) fornece oxigênio alta pureza (8) a uma segunda unidade consumidora (9), enquanto que, de acordo com um segundo funcionamento, no primeiro aparelho, se reduz essa vazão de oxigênio baixa pureza estirado na cabeça de coluna mistura, se estira na cuba da coluna baixa pressão do primeiro aparelho uma vazão de oxigênio alta pureza e se envia-o (11) a pelo menos a segunda unidade consumidora (9) e o segundo aparelho (2) não fornece oxigênio alta pureza à segunda unidade consumidora."PROCESS AND INSTALLATION OF HIGH PURITY OXYGEN SUPPLY BY CRYOGENIC AIR DISTILLATION". In a process of delivering high purity oxygen by cryogenic distillation of air from an installation comprising a first (1) and a second (2) air separation apparatus, comprising a medium pressure column, a low pressure column. thermally coupled with the mid-pressure column and a mixing column into which the air is distilled to the mid-pressure column, oxygen and nitrogen-enriched liquids from the mid-pressure column are sent to the low-pressure column according to a first run of the apparatus, a flow of oxygen-enriched liquid from the low-pressure column is sent to the head of the mixing column, a low-purity oxygen stream is drawn to the head of the mixing column and at least one part (3) is sent to a first consumer unit (5) and second apparatus (2) deliver high purity oxygen (8) to a second consumer unit (9), whereas according to a second function In the first apparatus, this low purity oxygen flow drawn on the mixing column head is reduced, the high pressure oxygen column of the first apparatus is stretched by a high purity oxygen flow rate and it is sent (11) to at least second consuming unit (9) and second apparatus (2) do not provide high purity oxygen to the second consuming unit.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0350818A FR2862128B1 (en) | 2003-11-10 | 2003-11-10 | PROCESS AND INSTALLATION FOR SUPPLYING HIGH-PURITY OXYGEN BY CRYOGENIC AIR DISTILLATION |
PCT/FR2004/050582 WO2005045340A1 (en) | 2003-11-10 | 2004-11-10 | Method and installation for supplying highly pure oxygen by cryogenic distillation of air |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0416372A true BRPI0416372A (en) | 2007-02-21 |
Family
ID=34508748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0416372-9A BRPI0416372A (en) | 2003-11-10 | 2004-11-10 | process and installation of high purity oxygen by cryogenic air distillation |
Country Status (8)
Country | Link |
---|---|
US (1) | US20070221492A1 (en) |
EP (1) | EP1690054A1 (en) |
JP (1) | JP2007516405A (en) |
CN (1) | CN100538234C (en) |
BR (1) | BRPI0416372A (en) |
FR (1) | FR2862128B1 (en) |
RU (1) | RU2354902C2 (en) |
WO (1) | WO2005045340A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2005225027A1 (en) * | 2005-07-21 | 2007-02-08 | L'air Liquide Societe Anonyme Pour L'etude Et L"Exploitation Des Procedes Georges Claude | Process and apparatus for the separation of air by cryogenic distillation |
FR2895068B1 (en) * | 2005-12-15 | 2014-01-31 | Air Liquide | AIR SEPARATION METHOD BY CRYOGENIC DISTILLATION |
CN101929789B (en) * | 2010-05-12 | 2012-07-18 | 李大仁 | Method for air separation |
DE102011112909A1 (en) * | 2011-09-08 | 2013-03-14 | Linde Aktiengesellschaft | Process and apparatus for recovering steel |
JP6115887B2 (en) * | 2013-03-15 | 2017-04-19 | 住友金属鉱山株式会社 | Oxygen compressor switching flow rate measurement method |
JP7446569B2 (en) | 2020-04-02 | 2024-03-11 | 日本エア・リキード合同会社 | Product gas supply amount adjustment device and air separation device equipped with the same |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT961138B (en) * | 1971-02-01 | 1973-12-10 | Air Liquide | PLANT FOR COMPRESSING A FLUID BY EXPANSION OF ANOTHER FLUID |
JPS5324920B2 (en) * | 1971-12-03 | 1978-07-24 | ||
JP2873469B2 (en) * | 1989-09-29 | 1999-03-24 | 株式会社大分サンソセンター | A device that liquefies and separates and supplies air in response to fluctuations in demand |
FR2677667A1 (en) * | 1991-06-12 | 1992-12-18 | Grenier Maurice | METHOD FOR SUPPLYING AN OXYGEN-ENRICHED AIR STOVE, AND CORRESPONDING IRON ORE REDUCTION INSTALLATION. |
FR2680114B1 (en) * | 1991-08-07 | 1994-08-05 | Lair Liquide | METHOD AND INSTALLATION FOR AIR DISTILLATION, AND APPLICATION TO THE GAS SUPPLY OF A STEEL. |
FR2706195B1 (en) * | 1993-06-07 | 1995-07-28 | Air Liquide | Method and unit for supplying pressurized gas to an installation consuming an air component. |
FR2712383B1 (en) * | 1993-11-12 | 1995-12-22 | Air Liquide | Combined installation of a metal production unit and an air separation unit. |
US5454227A (en) * | 1994-08-17 | 1995-10-03 | The Boc Group, Inc. | Air separation method and apparatus |
US5582036A (en) * | 1995-08-30 | 1996-12-10 | Praxair Technology, Inc. | Cryogenic air separation blast furnace system |
FR2745821B1 (en) * | 1996-03-11 | 1998-04-30 | Air Liquide | METHOD FOR CONDUCTING AN INSTALLATION COMPRISING A METAL PROCESSING UNIT AND A GAS PROCESSING UNIT |
FR2753638B1 (en) * | 1996-09-25 | 1998-10-30 | PROCESS FOR SUPPLYING A GAS CONSUMER UNIT | |
FR2774158B1 (en) * | 1998-01-23 | 2000-03-17 | Air Liquide | COMBINED INSTALLATION OF AN OVEN AND AN AIR DISTILLATION APPARATUS AND METHOD OF IMPLEMENTING IT |
FR2782787B1 (en) * | 1998-08-28 | 2000-09-29 | Air Liquide | PROCESS AND PLANT FOR PRODUCING IMPURED OXYGEN BY AIR DISTILLATION |
FR2789162B1 (en) * | 1999-02-01 | 2001-11-09 | Air Liquide | PROCESS FOR SEPARATING AIR BY CRYOGENIC DISTILLATION |
JP4177507B2 (en) * | 1999-03-09 | 2008-11-05 | 大陽日酸株式会社 | Method and apparatus for producing low purity oxygen |
JP2000309811A (en) * | 1999-04-21 | 2000-11-07 | Nippon Steel Corp | Oxygen supplying equipment and oxygen supplying method |
FR2814178B1 (en) * | 2000-09-18 | 2002-10-18 | Air Liquide | SUPPLY OF OXYGEN-ENRICHED AIR TO A NON-FERROUS METAL PRODUCTION UNIT |
FR2819584B1 (en) * | 2001-01-12 | 2003-03-07 | Air Liquide | INTEGRATED AIR SEPARATION AND ENERGY GENERATION PROCESS AND INSTALLATION FOR CARRYING OUT SUCH A PROCESS |
-
2003
- 2003-11-10 FR FR0350818A patent/FR2862128B1/en not_active Expired - Fee Related
-
2004
- 2004-11-10 US US10/577,885 patent/US20070221492A1/en not_active Abandoned
- 2004-11-10 RU RU2006120410/06A patent/RU2354902C2/en not_active IP Right Cessation
- 2004-11-10 BR BRPI0416372-9A patent/BRPI0416372A/en not_active IP Right Cessation
- 2004-11-10 JP JP2006538912A patent/JP2007516405A/en not_active Ceased
- 2004-11-10 WO PCT/FR2004/050582 patent/WO2005045340A1/en active Application Filing
- 2004-11-10 EP EP04805825A patent/EP1690054A1/en not_active Withdrawn
- 2004-11-10 CN CN200480033074.XA patent/CN100538234C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
RU2006120410A (en) | 2007-12-20 |
US20070221492A1 (en) | 2007-09-27 |
CN1878998A (en) | 2006-12-13 |
CN100538234C (en) | 2009-09-09 |
EP1690054A1 (en) | 2006-08-16 |
JP2007516405A (en) | 2007-06-21 |
WO2005045340A1 (en) | 2005-05-19 |
FR2862128B1 (en) | 2006-01-06 |
FR2862128A1 (en) | 2005-05-13 |
RU2354902C2 (en) | 2009-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2895068B1 (en) | AIR SEPARATION METHOD BY CRYOGENIC DISTILLATION | |
KR930018254A (en) | Low temperature air separation system to produce gaseous oxygen | |
AR027693A1 (en) | CRIOGENIC PROCESS FOR AIR SEPARATION TO PRODUCE LIQUID OXYGEN | |
ATE317965T1 (en) | MULTI-COMPONENT FLUID DISTILLATION PROCESS FOR PRODUCING AN ARGON-ENriched Stream IN A LOW-TEMPERATURE AIR SEPARATION PROCESS | |
BRPI0416372A (en) | process and installation of high purity oxygen by cryogenic air distillation | |
CA2228799A1 (en) | Air separation with intermediate pressure vaporization and expansion | |
WO2013146466A1 (en) | Distillation device | |
MY114177A (en) | Air separation | |
TW341647B (en) | Method of operating a cryogenic distillation column | |
BR9901076A (en) | Cryogenic rectification apparatus for the production of high-purity oxygen or low-purity oxygen. | |
CA2206649A1 (en) | Method and apparatus for producing liquid products from air in various proportions | |
BR0106532A (en) | Process and system for the production of high purity argon product | |
DE69618533D1 (en) | air separation | |
CA2211767A1 (en) | Process to produce nitrogen using a double column plus an auxiliary low pressure separation zone | |
ATE247266T1 (en) | CRYOGENIC RECTIFICATION SYSTEM FOR PRODUCING HIGH PURITY OXYGEN | |
US5996373A (en) | Cryogenic air separation process and apparatus | |
ATE260452T1 (en) | LOW TEMPERATURE DISTILLATION PLANT FOR AIR SEPARATION | |
ZA200002289B (en) | Cryogenic distillation system for air separation. | |
DE60007686D1 (en) | Low temperature rectification system for air separation | |
AU2005218215B2 (en) | Method for revamping a combined blast furnace and air gas separation unit system | |
US6311519B1 (en) | Process and plant for separating a gaseous mixture by cryogenic distillation | |
EP4325151A3 (en) | Air separation unit and air separation method | |
ZA200002402B (en) | Cryogenic distillation system for air separation. | |
EP1271081A3 (en) | Air seperation process | |
DE60028160D1 (en) | Process for the production of oxygen under medium pressure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 7A ANUIDADE. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012. |