CN1098450C - 空气分离 - Google Patents
空气分离 Download PDFInfo
- Publication number
- CN1098450C CN1098450C CN97113063.9A CN97113063A CN1098450C CN 1098450 C CN1098450 C CN 1098450C CN 97113063 A CN97113063 A CN 97113063A CN 1098450 C CN1098450 C CN 1098450C
- Authority
- CN
- China
- Prior art keywords
- oxygen
- low
- liquid
- tower
- distillation tower
- 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
- 238000000926 separation method Methods 0.000 title description 6
- 239000001301 oxygen Substances 0.000 claims abstract description 108
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 108
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 105
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 239000012535 impurity Substances 0.000 claims abstract description 57
- 229910052786 argon Inorganic materials 0.000 claims abstract description 41
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000004821 distillation Methods 0.000 claims description 93
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 34
- 229910052757 nitrogen Inorganic materials 0.000 claims description 22
- 238000012856 packing Methods 0.000 claims description 20
- 239000000284 extract Substances 0.000 claims description 17
- 238000009833 condensation Methods 0.000 claims description 14
- 230000005494 condensation Effects 0.000 claims description 14
- 238000002309 gasification Methods 0.000 claims description 11
- 238000009835 boiling Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims description 4
- 238000005194 fractionation Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 241000282326 Felis catus Species 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002829 nitrogen Chemical class 0.000 description 2
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 150000001485 argon Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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
- F25J3/04406—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
- F25J3/04763—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
- F25J3/04854—Safety aspects of operation
- F25J3/0486—Safety aspects of operation of vaporisers for oxygen enriched liquids, e.g. purging of liquids
-
- 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
- F25J2200/34—Processes or apparatus using separation by rectification using a side column fed by a stream from the 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/90—Details relating to column internals, e.g. structured packing, gas or liquid distribution
- F25J2200/94—Details relating to the withdrawal point
-
- 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
- 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
- F25J2215/56—Ultra high purity oxygen, i.e. generally more than 99,9% 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
- F25J2220/00—Processes or apparatus involving steps for the removal of impurities
- F25J2220/52—Separating high boiling, i.e. less volatile components from oxygen, e.g. Kr, Xe, Hydrocarbons, Nitrous oxides, O3
-
- 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
- Y10S62/923—Inert gas
- Y10S62/924—Argon
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9607200.4 | 1996-04-04 | ||
| GBGB9607200.4A GB9607200D0 (en) | 1996-04-04 | 1996-04-04 | Air separation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1171533A CN1171533A (zh) | 1998-01-28 |
| CN1098450C true CN1098450C (zh) | 2003-01-08 |
Family
ID=10791666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97113063.9A Expired - Lifetime CN1098450C (zh) | 1996-04-04 | 1997-04-04 | 空气分离 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US5928408A (enExample) |
| EP (1) | EP0805323B1 (enExample) |
| JP (1) | JP3980114B2 (enExample) |
| CN (1) | CN1098450C (enExample) |
| DE (1) | DE69723906T2 (enExample) |
| GB (1) | GB9607200D0 (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2807150B1 (fr) * | 2000-04-04 | 2002-10-18 | Air Liquide | Procede et appareil de production d'un fluide enrichi en oxygene par distillation cryogenique |
| US6526755B1 (en) * | 2001-05-07 | 2003-03-04 | Joseph W. C. Harpster | Condensers and their monitoring |
| US6811592B2 (en) * | 2002-03-01 | 2004-11-02 | Johnson & Johnson Vision Care, Inc. | Thin film in-line degasser |
| US7717982B2 (en) * | 2003-02-26 | 2010-05-18 | Johnson & Johnson Vision Care, Inc. | Thin film in-line degasser |
| US20050217332A1 (en) * | 2004-04-05 | 2005-10-06 | Keller William W | Environmentally friendly poultry litter fertilizer |
| JP6427359B2 (ja) * | 2014-08-12 | 2018-11-21 | 神鋼エア・ウォーター・クライオプラント株式会社 | 超高純度酸素の製造方法および超高純度酸素製造装置 |
| US10359231B2 (en) | 2017-04-12 | 2019-07-23 | Praxair Technology, Inc. | Method for controlling production of high pressure gaseous oxygen in an air separation unit |
| IT202000016126A1 (it) * | 2020-07-03 | 2022-01-03 | Itelyum Regeneration S P A | Colonna di distillazione ausiliaria e suo uso |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4560397A (en) * | 1984-08-16 | 1985-12-24 | Union Carbide Corporation | Process to produce ultrahigh purity oxygen |
| US4615716A (en) * | 1985-08-27 | 1986-10-07 | Air Products And Chemicals, Inc. | Process for producing ultra high purity oxygen |
| US4838913A (en) * | 1988-02-10 | 1989-06-13 | Union Carbide Corporation | Double column air separation process with hybrid upper column |
| US4822395A (en) * | 1988-06-02 | 1989-04-18 | Union Carbide Corporation | Air separation process and apparatus for high argon recovery and moderate pressure nitrogen recovery |
| JPH0672740B2 (ja) * | 1989-01-20 | 1994-09-14 | ル・エール・リクイツド・ソシエテ・アノニム・プール・ル・エチユド・エ・ル・エクスプルワテション・デ・プロセデ・ジエオルジエ・クロード | 空気分離及び超高純度酸素製造方法並びに装置 |
| US5049173A (en) * | 1990-03-06 | 1991-09-17 | Air Products And Chemicals, Inc. | Production of ultra-high purity oxygen from cryogenic air separation plants |
| US5100448A (en) * | 1990-07-20 | 1992-03-31 | Union Carbide Industrial Gases Technology Corporation | Variable density structured packing cryogenic distillation system |
| FR2670278B1 (fr) * | 1990-12-06 | 1993-01-22 | Air Liquide | Procede et installation de distillation d'air en regime variable de production d'oxygene gazeux. |
| US5425241A (en) * | 1994-05-10 | 1995-06-20 | Air Products And Chemicals, Inc. | Process for the cryogenic distillation of an air feed to produce an ultra-high purity oxygen product |
| US5469710A (en) * | 1994-10-26 | 1995-11-28 | Praxair Technology, Inc. | Cryogenic rectification system with enhanced argon recovery |
| US5528906A (en) * | 1995-06-26 | 1996-06-25 | The Boc Group, Inc. | Method and apparatus for producing ultra-high purity oxygen |
| US5590543A (en) * | 1995-08-29 | 1997-01-07 | Air Products And Chemicals, Inc. | Production of ultra-high purity oxygen from cryogenic air separation plants |
| JPH09184681A (ja) * | 1995-11-02 | 1997-07-15 | Teisan Kk | 超高純度窒素及び酸素の製造装置 |
| US5582033A (en) * | 1996-03-21 | 1996-12-10 | Praxair Technology, Inc. | Cryogenic rectification system for producing nitrogen having a low argon content |
-
1996
- 1996-04-04 GB GBGB9607200.4A patent/GB9607200D0/en active Pending
-
1997
- 1997-03-21 DE DE69723906T patent/DE69723906T2/de not_active Expired - Fee Related
- 1997-03-21 EP EP97301948A patent/EP0805323B1/en not_active Expired - Lifetime
- 1997-04-02 US US08/828,905 patent/US5928408A/en not_active Expired - Fee Related
- 1997-04-04 JP JP08660197A patent/JP3980114B2/ja not_active Expired - Lifetime
- 1997-04-04 CN CN97113063.9A patent/CN1098450C/zh not_active Expired - Lifetime
-
1999
- 1999-03-25 US US09/276,373 patent/US6089041A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0805323B1 (en) | 2003-08-06 |
| DE69723906D1 (de) | 2003-09-11 |
| DE69723906T2 (de) | 2004-07-15 |
| GB9607200D0 (en) | 1996-06-12 |
| EP0805323A3 (en) | 1998-05-27 |
| US6089041A (en) | 2000-07-18 |
| US5928408A (en) | 1999-07-27 |
| CN1171533A (zh) | 1998-01-28 |
| EP0805323A2 (en) | 1997-11-05 |
| JP3980114B2 (ja) | 2007-09-26 |
| JPH1030880A (ja) | 1998-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20030108 |