EP1050728B1 - Einzelsäulenverfahren und -vorrichtung zur Tieftemperaturzerlegung von Luft - Google Patents
Einzelsäulenverfahren und -vorrichtung zur Tieftemperaturzerlegung von Luft Download PDFInfo
- Publication number
- EP1050728B1 EP1050728B1 EP00108864A EP00108864A EP1050728B1 EP 1050728 B1 EP1050728 B1 EP 1050728B1 EP 00108864 A EP00108864 A EP 00108864A EP 00108864 A EP00108864 A EP 00108864A EP 1050728 B1 EP1050728 B1 EP 1050728B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- single column
- air
- charge
- column
- pressure
- 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
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000000926 separation method Methods 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000001301 oxygen Substances 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000005194 fractionation Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 abstract description 9
- 238000004821 distillation Methods 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
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
- F25J3/04248—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
- F25J3/04296—Claude expansion, i.e. expanded into the main or 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
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04048—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams
-
- 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
- F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
-
- 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
- F25J3/044—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 single pressure main column system only
-
- 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
- F25J2200/72—Refluxing the column with at least a part of the totally condensed overhead gas
-
- 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
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/42—Processes or apparatus involving steps for recycling of process streams the recycled stream being nitrogen
Definitions
- the invention relates to a single column method according to the preamble of Patent claim 1.
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)
Description
Pos. Nr. | T [K] | P [bara] | F [Nm 3 w/h] | VF [%] | N 2 [%] | Ar [%] | O 2 [%] |
2 | 298 | 3,91 | 44268 | 100 | 78,118 | 0,932 | 20,95 |
3 | 298 | 3,91 | 3453 | 100 | 78,118 | 0,932 | 20,95 |
4 | 298 | 3,91 | 40815 | 100 | 78,118 | 0,932 | 20,95 |
5 | 298 | 9,49 | 3453 | 100 | 78,118 | 0,932 | 20,95 |
6 | 143 | 9,39 | 3453 | 100 | 78,118 | 0,932 | 20,95 |
7 | 113 | 3,77 | 3453 | 100 | 78,118 | 0,932 | 20,95 |
8 | 102 | 3,82 | 15215 | 97,4 | 32,4 | 2,6 | 65,0 |
9 | 95 | 3,81 | 40815 | 96,5 | 78,118 | 0,932 | 20,95 |
10 | 98 | 3,82 | 29483 | 0 | 32,4 | 2,6 | 65,0 |
11 | 90 | 1,30 | 29483 | 100 | 32,4 | 2,6 | 65,0 |
12 | 90 | 1,30 | 29483 | 100 | 32,4 | 2,6 | 65,0 |
13 | 90 | 3,66 | 30000 | 100 | 99,86 | 0,14 | 1 ppm |
14 | 297 | 3,56 | 30000 | 100 | 99,86 | 0,14 | 1 ppm |
15 | 297 | 1,20 | 14268 | 100 | 32,4 | 2,6 | 65,0 |
Pos. Nr. | T [K] | P [bara] | F [Nm 3 /h] | VF [%] | N 2 [%] | Ar [%] | O 2 [%] |
2 | 298 | 4,82 | 38488 | 100 | 78,118 | 0,932 | 20,95 |
3 | 298 | 4,82 | 8903 | 100 | 78,118 | 0,932 | 20,95 |
4 | 298 | 4,82 | 29585 | 100 | 78,118 | 0,932 | 20,95 |
5 | 298 | 7,01 | 8903 | 100 | 78,118 | 0,932 | 20,95 |
6 | 115 | 6,91 | 8903 | 100 | 78,118 | 0,932 | 20,95 |
7 | 104 | 4,72 | 8903 | 100 | 78,118 | 0,932 | 20,95 |
8 | 108 | 4,75 | 23660 | 97 | 1 | 4 | 95,00 |
9 | 97 | 4,72 | 29585 | 95 | 78,118 | 0,932 | 20,95 |
10 | 108 | 4,75 | 32148 | 0 | 1 | 4 | 95,00 |
11 | 92 | 1,3 | 32148 | 100 | 1 | 4 | 95,00 |
12 | 92 | 1,3 | 32148 | 100 | 1 | 4 | 95,00 |
13 | 93 | 4,58 | 30000 | 100 | 99,92 | 0,08 | 1 ppm |
14 | 297 | 4,48 | 30000 | 100 | 99,92 | 0,08 | 1 ppm |
15 | 297 | 1,20 | 8488 | 100 | 1 | 4 | 95,00 |
- Pos.Nr.
- in Rechtecke eingeschlossenen Zahlen in der Zeichnung
- T
- Temperatur
- P
- Druck
- F
- Mengenstrom
- VF
- gasförmiger Anteil
- N2
- Stickstoffgehalt
- Ar
- Argongehalt
- O2
- Sauerstoffgehalt
Claims (6)
- Einzelsäulenverfahren zur Erzeugung gasförmigen Stickstoffs durch Tieftemperaturzerlegung von Luft, bei dem verdichtete Einsatzluft (101, 102, 103, 110) abgekühlt (104) und der Einzelsäule (107) zugeführt (105, 114) wird, die einen einzigen Kondensator-Verdampfer (118) zur Erzeugung von Rücklaufflüssigkeit aufweist, und eine sauerstoffreiche Fraktion (116) flüssig aus der Einzelsäule (107) abgezogen, entspannt (117) und in dem Kondensator-Verdampfer (118) durch indirekten Wärmeaustausch mit kondensierendem Stickstoff (120) aus dem oberen Bereich der Einzelsäule (107) mindestens teilweise verdampft wird, wobei mindestens ein Teil (131) des in dem Kondensator-Verdampfer (118) erzeugten Dampfs (129, 130) rückverdichtet (132) und getrennt von der Einsatzluft (105, 114) der Einzelsäule (107) zugeführt (134, 135) wird, dadurch gekennzeichnet, daß mindestens ein Teil (103, 110, 111) der Einsatzluft (101) stromaufwärts der Einleitung (114) in die Einzelsäule (107) arbeitsleistend entspannt (112) wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß ein erster Teil (102) der Einsatzluft (101), der unter einem ersten Druck steht, abgekühlt und teilweise verflüssigt (104) und der Einzelsäule (107) zugeleitet wird und daß ein zweiter Teil (103) der Einsatzluft (101) auf einen zweiten Druck gebracht (108) wird, der höher als der erste Druck ist, auf eine Zwischentemperatur oberhalb der Betriebstemperatur der Einzelsäule abgekühlt (104), der arbeitsleistenden Entspannung (112) zugeführt und anschließend in die Einzelsäule (107) eingeleitet (114) wird.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß der erste und der zweite Teil der Einsatzluft gemeinsam auf den ersten Druck verdichtet werden und der zweite Teil (103) der Einsatzluft in einem Nachverdichter (108) auf den zweiten Druck nachverdichtet wird.
- Vorrichtung zur Erzeugung gasförmigen Stickstoffs durch Tieftemperaturzerlegung von Luft, mit einer Einsatzluftleitung (101, 103, 110, 111, 114), die durch einen Hauptwärmetauscher (104) zu einer Zwischenstelle (115) einer Einzelsäule (107) führt, die einen einzigen Kondensator-Verdampfer (118) zur Erzeugung von Rücklaufflüssigkeit aufweist, mit einer Flüssigkeitsleitung (116) zur Überführung einer flüssigen sauerstoffreichen Fraktion aus der Einzelsäule (107) in den Verdampfungsraum eines Kondensator-Verdampfers (118), dessen Verflüssigungsraum mit dem oberen Bereich der Einzelsäule (107) verbunden (119, 120) ist, mit einem Rückverdichter (132), dessen Eintritt mit dem Verdampfungsraum des Kondensator-Verdampfers (118) und dessen Austritt mit der Einzelsäule (107), aber nicht mit der oder einer der Einsatzluftleitungen (101, 103, 110, 111, 114) verbunden (134, 135; 129, 130, 131) ist, gekennzeichnet durch eine Entspannungsmaschine (112), die in der Einsatzluftleitung (101, 103, 110, 111, 114) angeordnet ist.
- Vorrichtung nach Anspruch 4, gekennzeichnet durch eine erste Einsatzluftleitung (102, 105) zur Einleitung eines ersten Teils der Einsatzluft unter einem ersten Druck in die Einzelsäule (107) und durch eine zweite Einsatzluftleitung (103, 110, 111, 114) zur Zuführung eines zweiten Teils der Einsatzluft unter einem zweiten Druck, der höher als der erste Druck ist, zu der Entspannungsmaschine (112) und zur Einleitung von in der Entspannungsmaschine entspannter Luft in die Einzelsäule (107).
- Vorrichtung nach Anspruch 5, gekennzeichnet durch einen Nachverdichter (108), der in der zweiten Einsatzluftleitung (103, 110) stromaufwärts der Entspannungsmaschine (112) angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19919933 | 1999-04-30 | ||
DE19919933A DE19919933A1 (de) | 1999-04-30 | 1999-04-30 | Einzelsäulenverfahren und -vorrichtung zur Tieftemperaturzerlegung von Luft |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1050728A1 EP1050728A1 (de) | 2000-11-08 |
EP1050728B1 true EP1050728B1 (de) | 2005-06-15 |
Family
ID=7906567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00108864A Expired - Lifetime EP1050728B1 (de) | 1999-04-30 | 2000-04-26 | Einzelsäulenverfahren und -vorrichtung zur Tieftemperaturzerlegung von Luft |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1050728B1 (de) |
AT (1) | ATE298071T1 (de) |
DE (2) | DE19919933A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008064117A1 (de) | 2008-12-19 | 2009-05-28 | Linde Ag | Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft |
EP2236964B1 (de) | 2009-03-24 | 2019-11-20 | Linde AG | Verfahren und Vorrichtung zur Tieftemperatur-Luftzerlegung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1034544B (it) * | 1975-03-26 | 1979-10-10 | Siad | Procedimento ed impianto per il frazionamento dell aria con colon na a semplice rettifica |
US4595405A (en) * | 1984-12-21 | 1986-06-17 | Air Products And Chemicals, Inc. | Process for the generation of gaseous and/or liquid nitrogen |
DE4030750A1 (de) * | 1990-09-28 | 1992-04-02 | Linde Ag | Verfahren und vorrichtung zur tieftemperaturzerlegung von luft |
US5251450A (en) * | 1992-08-28 | 1993-10-12 | Air Products And Chemicals, Inc. | Efficient single column air separation cycle and its integration with gas turbines |
-
1999
- 1999-04-30 DE DE19919933A patent/DE19919933A1/de not_active Withdrawn
-
2000
- 2000-04-26 AT AT00108864T patent/ATE298071T1/de not_active IP Right Cessation
- 2000-04-26 DE DE50010546T patent/DE50010546D1/de not_active Expired - Fee Related
- 2000-04-26 EP EP00108864A patent/EP1050728B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50010546D1 (de) | 2005-07-21 |
ATE298071T1 (de) | 2005-07-15 |
DE19919933A1 (de) | 2000-11-02 |
EP1050728A1 (de) | 2000-11-08 |
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