ES2153144T3 - Metodo de control de la capacidad de un sistema de rectificacion criogenico. - Google Patents
Metodo de control de la capacidad de un sistema de rectificacion criogenico.Info
- Publication number
- ES2153144T3 ES2153144T3 ES97109126T ES97109126T ES2153144T3 ES 2153144 T3 ES2153144 T3 ES 2153144T3 ES 97109126 T ES97109126 T ES 97109126T ES 97109126 T ES97109126 T ES 97109126T ES 2153144 T3 ES2153144 T3 ES 2153144T3
- Authority
- ES
- Spain
- Prior art keywords
- criogenic
- control method
- capacity control
- level controller
- rectification system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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
-
- 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
- F25J3/04642—Recovering noble gases from air
- F25J3/04648—Recovering noble gases from air argon
- F25J3/04654—Producing crude argon in a crude argon column
- F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
- F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
- F25J3/04678—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms
-
- 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
- F25J3/04836—Variable air feed, i.e. "load" or product demand during specified periods, e.g. during periods with high respectively low power costs
-
- 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
- F25J3/04848—Control strategy, e.g. advanced process control or dynamic modeling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/939—Partial feed stream expansion, air
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Flow Control (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
SE PRESENTA UN METODO PARA OPERAR UNA PLANTA DE RECTIFICACION CRIOGENICA, DONDE EL PUNTO DE CONSIGNA DE UN CONTROLADOR DE NIVEL DEL CONDENSADOR SUPERIOR O TANTO DE UN CONTROLADOR DE NIVEL DEL CONDENSADOR SUPERIOR COMO DE UN CONTROLADOR DE NIVEL DEL COLECTOR SE CAMBIA EN RESPUESTA A UN CAMBIO EN LA VELOCIDAD DE FLUJO DE ALIMENTACION PARA CONTROLAR EL FUNCIONAMIENTO DE LA PLANTA CON OBJETO DE EVITAR CAMBIOS EN LA PUREZA DEL PRODUCTO SIN LA NECESIDAD DE UN ALMACENAMIENTO ADICIONAL O DE UN DEPOSITO DE CONTENCION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/250,240 US5406800A (en) | 1994-05-27 | 1994-05-27 | Cryogenic rectification system capacity control method |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2153144T3 true ES2153144T3 (es) | 2001-02-16 |
Family
ID=22946921
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95108139T Expired - Lifetime ES2110800T3 (es) | 1994-05-27 | 1995-05-26 | Metodo de control de la capacidad de un sistema de rectificacion criogenica. |
ES97109126T Expired - Lifetime ES2153144T3 (es) | 1994-05-27 | 1995-05-26 | Metodo de control de la capacidad de un sistema de rectificacion criogenico. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95108139T Expired - Lifetime ES2110800T3 (es) | 1994-05-27 | 1995-05-26 | Metodo de control de la capacidad de un sistema de rectificacion criogenica. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5406800A (es) |
EP (2) | EP0798523B1 (es) |
JP (1) | JP3065229B2 (es) |
KR (1) | KR100212873B1 (es) |
CN (1) | CN1088182C (es) |
BR (1) | BR9502566A (es) |
CA (1) | CA2150284C (es) |
DE (2) | DE69501287T2 (es) |
ES (2) | ES2110800T3 (es) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2704632B1 (fr) * | 1993-04-29 | 1995-06-23 | Air Liquide | Procede et installation pour la separation de l'air. |
FR2716816B1 (fr) * | 1994-03-02 | 1996-05-03 | Air Liquide | Procédé de redémarrage d'une colonne auxiliaire de séparation argon/oxygène par distillation, et installation correspondante. |
GB9617642D0 (en) * | 1996-08-22 | 1996-10-02 | Boc Group Plc | Fractionation column |
US5778700A (en) * | 1997-04-30 | 1998-07-14 | The Boc Group, Inc. | Method of producing gaseous oxygen at variable rate |
US6073463A (en) * | 1998-10-09 | 2000-06-13 | Air Products And Chemicals, Inc. | Operation of a cryogenic air separation unit which intermittently uses air feed as the repressurization gas for a two bed PSA system |
DE19921949A1 (de) * | 1999-05-12 | 2000-11-16 | Linde Ag | Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft |
US6182471B1 (en) | 1999-06-28 | 2001-02-06 | Praxair Technology, Inc. | Cryogenic rectification system for producing oxygen product at a non-constant rate |
US20030213688A1 (en) * | 2002-03-26 | 2003-11-20 | Wang Baechen Benson | Process control of a distillation column |
US6647745B1 (en) | 2002-12-05 | 2003-11-18 | Praxair Technology, Inc. | Method for controlling the operation of a cryogenic rectification plant |
US6988370B2 (en) * | 2003-06-12 | 2006-01-24 | Michael Iarocci | Cryogenic storage system with improved temperature control |
FR2855872A1 (fr) * | 2004-06-25 | 2004-12-10 | Air Liquide | Appareil de distillation, procede et appareil de separation d'air par distillation cryogenique |
FR2896860A1 (fr) * | 2006-01-31 | 2007-08-03 | Air Liquide | Procede de separation d'air par distillation cryogenique et installation correspondante |
FR2910604B1 (fr) * | 2006-12-22 | 2012-10-26 | Air Liquide | Procede et appareil de separation d'un melange gazeux par distillation cryogenique |
FR2916039B1 (fr) * | 2007-05-11 | 2013-11-01 | Air Liquide | Procede de regulation d'une unite de distillation cryogenique. |
US7789939B2 (en) * | 2008-07-29 | 2010-09-07 | Praxair Technology, Inc. | Adsorbent bed repressurization control method |
US9291388B2 (en) * | 2009-06-16 | 2016-03-22 | Praxair Technology, Inc. | Method and system for air separation using a supplemental refrigeration cycle |
JP6130567B1 (ja) * | 2016-08-25 | 2017-05-17 | 神鋼エア・ウォーター・クライオプラント株式会社 | 酸素ガスの製造方法、およびその装置 |
JP7378695B2 (ja) * | 2020-01-06 | 2023-11-14 | 日本エア・リキード合同会社 | 空気分離システム |
JP7460973B2 (ja) | 2020-03-05 | 2024-04-03 | 日本エア・リキード合同会社 | 空気分離装置 |
KR20220021253A (ko) | 2020-08-13 | 2022-02-22 | 주식회사 엘지화학 | 에스터의 제조방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB890342A (en) * | 1960-04-25 | 1962-02-28 | Union Carbide Corp | Low temperature air separation with improved argon recovery |
JPS4846387A (es) * | 1971-10-13 | 1973-07-02 | ||
JPS5419165B2 (es) * | 1973-03-01 | 1979-07-13 | ||
US4566887A (en) * | 1982-09-15 | 1986-01-28 | Costain Petrocarbon Limited | Production of pure nitrogen |
DE3663997D1 (en) * | 1985-08-23 | 1989-07-20 | Daido Oxygen | Oxygen gas production unit |
US4784677A (en) * | 1987-07-16 | 1988-11-15 | The Boc Group, Inc. | Process and apparatus for controlling argon column feedstreams |
DE3913880A1 (de) * | 1989-04-27 | 1990-10-31 | Linde Ag | Verfahren und vorrichtung zur tieftemperaturzerlegung von luft |
US5129932A (en) * | 1990-06-12 | 1992-07-14 | Air Products And Chemicals, Inc. | Cryogenic process for the separation of air to produce moderate pressure nitrogen |
US5148680A (en) * | 1990-06-27 | 1992-09-22 | Union Carbide Industrial Gases Technology Corporation | Cryogenic air separation system with dual product side condenser |
US5224336A (en) * | 1991-06-20 | 1993-07-06 | Air Products And Chemicals, Inc. | Process and system for controlling a cryogenic air separation unit during rapid changes in production |
CN1071444C (zh) * | 1992-02-21 | 2001-09-19 | 普拉塞尔技术有限公司 | 生产气体氧的低温空气分离*** |
US5351492A (en) * | 1992-09-23 | 1994-10-04 | Air Products And Chemicals, Inc. | Distillation strategies for the production of carbon monoxide-free nitrogen |
-
1994
- 1994-05-27 US US08/250,240 patent/US5406800A/en not_active Expired - Lifetime
-
1995
- 1995-05-26 DE DE69501287T patent/DE69501287T2/de not_active Expired - Lifetime
- 1995-05-26 KR KR1019950013386A patent/KR100212873B1/ko not_active IP Right Cessation
- 1995-05-26 ES ES95108139T patent/ES2110800T3/es not_active Expired - Lifetime
- 1995-05-26 EP EP97109126A patent/EP0798523B1/en not_active Expired - Lifetime
- 1995-05-26 JP JP7151138A patent/JP3065229B2/ja not_active Expired - Lifetime
- 1995-05-26 CA CA002150284A patent/CA2150284C/en not_active Expired - Fee Related
- 1995-05-26 BR BR9502566A patent/BR9502566A/pt not_active IP Right Cessation
- 1995-05-26 EP EP95108139A patent/EP0684436B1/en not_active Expired - Lifetime
- 1995-05-26 DE DE69519875T patent/DE69519875T2/de not_active Expired - Lifetime
- 1995-05-26 CN CN95105528A patent/CN1088182C/zh not_active Expired - Lifetime
- 1995-05-26 ES ES97109126T patent/ES2153144T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69501287T2 (de) | 1998-07-09 |
DE69501287D1 (de) | 1998-02-05 |
EP0798523B1 (en) | 2001-01-10 |
CA2150284A1 (en) | 1995-11-28 |
KR950031154A (ko) | 1995-12-18 |
EP0798523A2 (en) | 1997-10-01 |
CN1122440A (zh) | 1996-05-15 |
DE69519875T2 (de) | 2001-05-31 |
EP0684436B1 (en) | 1997-12-29 |
CN1088182C (zh) | 2002-07-24 |
EP0684436A1 (en) | 1995-11-29 |
KR100212873B1 (ko) | 1999-08-02 |
ES2110800T3 (es) | 1998-02-16 |
BR9502566A (pt) | 1996-03-05 |
US5406800A (en) | 1995-04-18 |
JP3065229B2 (ja) | 2000-07-17 |
DE69519875D1 (de) | 2001-02-15 |
CA2150284C (en) | 1997-10-14 |
EP0798523A3 (en) | 1997-11-05 |
JPH07332845A (ja) | 1995-12-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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