DE2933973A1 - Verfahren und vorrichtung zum erzeugen von sauerstoff niedriger reinheit durch niedertemperaturrektifikation - Google Patents
Verfahren und vorrichtung zum erzeugen von sauerstoff niedriger reinheit durch niedertemperaturrektifikationInfo
- Publication number
- DE2933973A1 DE2933973A1 DE19792933973 DE2933973A DE2933973A1 DE 2933973 A1 DE2933973 A1 DE 2933973A1 DE 19792933973 DE19792933973 DE 19792933973 DE 2933973 A DE2933973 A DE 2933973A DE 2933973 A1 DE2933973 A1 DE 2933973A1
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- Germany
- Prior art keywords
- pressure
- nitrogen
- compressed
- air
- combustion
- 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.)
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Classifications
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- 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
- F25J3/04109—Arrangements of compressors and /or their drivers
- F25J3/04115—Arrangements of compressors and /or their drivers characterised by the type of prime driver, e.g. hot gas expander
- F25J3/04127—Gas turbine as the prime mechanical driver
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- 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
- F25J3/04012—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling
- F25J3/04018—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of main feed air
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- 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
- F25J3/04012—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling
- F25J3/0403—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of nitrogen
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- 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
- F25J3/04109—Arrangements of compressors and /or their drivers
- F25J3/04115—Arrangements of compressors and /or their drivers characterised by the type of prime driver, e.g. hot gas expander
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- 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
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- 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
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- 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
- F25J3/04539—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the H2/CO synthesis by partial oxidation or oxygen consuming reforming processes of fuels
- F25J3/04545—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the H2/CO synthesis by partial oxidation or oxygen consuming reforming processes of fuels for the gasification of solid or heavy liquid fuels, e.g. integrated gasification combined cycle [IGCC]
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- 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
- F25J3/04563—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating
- F25J3/04575—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating for a gas expansion plant, e.g. dilution of the combustion gas in a gas turbine
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- 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
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- 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
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- 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
- F25J3/04612—Heat exchange integration with process streams, e.g. from the air gas consuming unit
- F25J3/04618—Heat exchange integration with process streams, e.g. from the air gas consuming unit for cooling an air stream fed to the air fractionation unit
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- 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
- F25J2200/20—Processes or apparatus using separation by rectification in an elevated pressure multiple column system wherein the lowest pressure column is at a pressure well above the minimum pressure needed to overcome pressure drop to reject the products to atmosphere
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- 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
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
- F25J2240/10—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being air
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- 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
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/10—Mathematical formulae, modeling, plot or curves; Design methods
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- 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
- Y10S62/915—Combustion
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- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Separation By Low-Temperature Treatments (AREA)
Description
verstanden, bei dem der Energiebedarf der Luftzerlegungsanlage für einen gegebenen Sauerstoffproduktstrom-Abgabedruck ein Minimum erreicht.
Molprozenten angegeben.
95 und 99,5 %.
8500 Nm /h stickstoffreiches Gas mit einer Reinheit von 99,85 %
TABELLE I-A | Temperatur (0K) |
Druck (kPa) |
Sauerstoffgehalt (Mol JB) _ |
- | |
Leitung Nr. |
Durchflußmenge (Nm3/h χ 10"3) |
320 | 101 | 21 | |
1 | 732,8 | 670 | 1034 - | 21 | |
3 | 732,8 | 670 | 1034 | 21 | |
4 | 293,9 | 670 | 1034 | 21 | |
5 | 438,9 | 317 ' | 241 | 98,0 | |
29 | 58,6 | — | — | ||
31 | 0 | 317 | 965 | 0,15 | |
31A | 8,5 | 317 | 241 | 2,0 | |
37 | 226,9 | 640 | 1034 | 2,0 | |
40 | 226,9 | 1100 | 1034 | - — | |
8 | 665,8 * | 650 | 103 | ||
10 | 665,8 * |
TABELLE H-A | Temperatur | Druck | Sauerstoffgehalt | |
Leitung | Durchflußmenge | (°K) | (kPa) | (Mol %) |
Nr. | (Nm3/h χ 10"3) | 320 | 101 | 21 |
1 | 699,4 | 625 | 827 | 21 |
3 | 699,4 | 625 | 827 | 21 |
4 | 378,0 | 320 | 2068 | 21 |
202 | 378,0 | 625 | 827 | 21 |
5 | 321,4 | 317 | 621 | 98 |
29 | 58,6 | — | — | — |
31 | 0 | 317 | 1999 | 0,15 |
31A | 8,5 | 317 | 621 | 7,1 |
37 | 310,9 | 595 | 827 | 7J |
40 | 310,9 | 1100 | 827 | — |
8 | 632,3 | 681 | 110 | — |
10 | 632,3 |
Betriebsdruck der Niederdruckkolonne
Erforderlicher Brennstoff entsprechend
Betriebsdruck der Niederdruckkolonne
Erforderlicher Brennstoff entsprechend
Claims (1)
- PATENTANWALT DlPL-ING. CEKHA* D SCHWANELFENSTRASSE 32 ■ D-8000 MÜNCHEN S3 2933373L-I0891-GAnsprüche1/ Verfahren zum Erzeugen von Sauerstoff niedriger Reinheit durch Niedertemperaturrektifikation von Luft, dadurch gekennzeichnet, daß
(α) Eihsatzluft auf mindestens 585 kPa verdichtet wird,(b) die vernichtete Luft in einen ersten Teil und einen zweiten Teil aufgeteilt wird,(c) der erste Teil als Oxidationsmittel für einen Verbrennungsstrom mit Brennstoff gemischt wird/(d) der Verbrennungsstrom in einer Brennzone auf einem Zünddruck von mindestens 550 kPa zum Erhitzen des Verbrennungsstroms gezündet wird,{e) der erhitzte Verbrennungsstrom in einer Arbeitsturbine unter Erzeugung von äußerer Arbeit entspannt wird,(f) mindestens ein Teil der äußeren Arbeit als Energie fur das Verdichten der Einsatzluft zurückgewonnen wird,(g) tier zweite Teil der verdichteten Luft abgekühlt wird, (h) die gekühlte Luft in eine Hochdruckrektifikationsstufe eingeleitet wird, deren oberes Ende in Wärmeaustausch mit dem unteren Ende einer Miederdruck-'6012039 · KABEL:4leCTK?CFERNSPRECHER: 089/6012039 · KABEL:TLECTICfCPATENT MÜNCHENrektifikationsstufe steht,(i) die gekühlte Luft in der Hochdruckrektifikationsstufe in eine mit Sauerstoff angereicherte Flüssigkeit und eine stickstoffreiche Flüssigkeit zerlegt wird,(j) mindestens ein Teil der Flüssigkeiten aus dem Verfahrensschritt (i) in die Niederdruckrektifikationsstufe zwecks Zerlegung in Sauer stoffgas niedriger Reinheit und in stickstoffreiches Gas übergeleitet wird,(k) die Nie.derdruckrektifikationsstufe bei einem Druck betrieben wird, der mindestens 135 kPa unter dem Zünddruck des Verfahrensschrittes (d) liegt,(1) aus der Niederdruckrektifikationsstufe ein Produktstrom aus Sauerstoff niedriger Reinheit und mindestens ein stickstoffreicher Gasstrom ausgetragen werden, -". : - " --"_ V _(m) mindestens ein Teil des im Verfahrensschritt (IJ ausgetragenen stickstoffreichen Gases auf einen Drück verdichtet wird, der mindestens gleich dera Zünddruck des Verfahrensschrittes (d) ist, und(n) der verdichtete stickstoffreiche Ström stromaufwärts von der Arbeitsturbine in den Verbrennungsstrom eingeleitet wird.030009^092029333732. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Einsatzluft auf einen Drück zwischen 690 und 1725 kPa verdichtet wird und daß die Niederdruckrektifikationsstufe bei einem Druck betrieben wird, der mindestens205 kPa niedriger als der Zünddruck des Verfahrensschrittes (d) ist.3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Durchflußmenge des ersten Teils der verdichteten Luft größer als diejenige des zweiten Teils ist und daß im wesentlichen die gesamte im Verfahrensschritt (e) erzeugte Arbeit verwendet wird, um die Einsatzluft zu verdichten und um das dem Verbrennungsstrom zugeführte stickstoffreiche Gas zu verdichten.4. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß mindestens ein Teil des verdichteten, stickstof freichen Stroms- vor dem Zünden gemäß eiern Verfahrenssehritt (d\ irv den Verbrenn tmgsstromeinge'-5·. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß; mindestens ear» Teil; des. verdiehieterty stickstoffreichen Srtrewrvs nach dem Zünden gemäß dem Verfahr ens schritt Cd^ fn^ den Verbrennttngs:Stront eingebracht wird..6. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Arbeitsturbine im wesentlichen mit ihrem optimalen Einlaßdruck betrieben wird.7. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Hochdruckrektifikationsstufe im wesentlichen auf ihrem optimalen Arbeitsdruck betrieben wird.8. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der zweite Teil der Einsatzluft vor dem Kühlen weiter verdichtet wird.9. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein zusätzlicher Einsatzluftstrom auf mindestens 585 kPa verdichtet wird, der zusätzliche Einsartzluftstrom gekühlt wird und der gekühlte zusätzliche Einsatzluftstrom der Höchdruckrektifikgtionsstofe zugeführt wird.δ-. Verfahreirr nach Ansprach 9t dadurch gekennzeichnet, daß die Kfengenflußdichte des zusätzlichen Einsatzluftstroms im wesentlichen gleich der Gesamtmengertflußdichte der ProduktströTtne ist.- - 5 - ■_■.■■.293387311. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der zweite Teil der verdichteten Einsatzluft vor dem Einleiten in die Hochdruckrektifikationsstufe entspannt wird.12. Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der erste Teil der verdichteten Einsatzluft weiter verdichtet; wird.13. Vorrichtung zum Erzeugen von Sauerstoff ^niedriger Reinheit durch Niedertemperaturrektifikation, gekennzeichnet durch(a) einen Kompressor zum Verdichten von Einsatzluft auf einen Druck von mindestens 585 kPa,{b) eine Verbrennungseinrichtung mit einer Brennkammer/ einer Leitungsanordnung zum Überführen eines ersten Teils der verdichteten Einsatzluft von dem Kompressor (a) zu der Brennkammer, einer Einrichtung zum Einspeisen von Brennstoff in die Brennkammer und einer Leitungsanordnung zum Überleiten von Verbrennungsgas von der Brennkammer zy{c) einer Turbine zum Entspannen des Verbrennungsgases auf einen niedrigeren Druck unter Erzeugung von äußerer Arbeit,(d) eine Einrichtung zum Übertragen von äußerer Arbeit von der Turbine (c) zu dem Kompressor (α),030009/0926(e) eine Einrichtung zum Kühlen eines zweiten Teils der verdichteten Einsatzluft,(f) eine Doppelrektifikationskolonne mit einer mindestens bei einem Druck von etwa 585 kPa arbeitenden Hochdruckstufe, einer Niederdruckstufe, einem Wärmetauscher, der das obere Ende der Hochdruckstufe und das untere Ende der Niederdruckstufe verbindet, und einer gesonderten Leitungsanordnung zum Überführen von mit Sauerstoff angereicherter Flüssigkeit und stickstoffreicher Flüssigkeit von der Hochdruckstufe zu der Niederdruckstufe,(g) eine Leitungsanordnung zum Überleiten des gekühlten zweiten Teils der verdichteten Einsatzluft zu der Hochdruckstufe zwecks Rektifikation in dieser Stufe,(h) einen Kompressor zum Verdichten von stickstoffreichem Gas auf einen Druck von mindestens 5B5 kPa,(i) eine Leitungsanordnung zum Überführen von .-stickstoffreichem Gas von der Niedexdrockrektifikationsstufe zum Kompressor {h)y(j) eine Leitungsanordnung zum Überleiten von stickstof f reichem Gas vom Kompressor (h) zur Verbrennungseinrichtung (b) und(k) eine Leitungsanordnung zum Austragen von Sauerstoff niedriger Reinheit aus der Niederdruckrektifikationsstufe.030009/0926293337314. Vorrichtung nach Anspruch 13, gekennzeichnet durch eine Einrichtung zum Übertragen von äußerer Arbeit von der Turbine (c) zu dem Kompressor (h).15. Vorrichtung nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß die Leitungsanordnung (j) mindestens einen Teil des verdichteten stickstoffreichen Gases in die Verbrennungseinrichtung (b) stromaufwärts von der Brennkammer einleitet.16. Vorrichtung nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, daß die Leitungsanordnung (j) mindestens einen Teil des verdichteten stickstoffreichen Gases in die Verbrennungseinrichtung (b) stromabwärts von der Brennkammer einleitet.17. Vorrichtung nach einem der Ansprüche Ϊ3 bis \6, gekennzeichnet durch einen Zusatzkompres~sor zum weiteren Verdichten des zweiten=. Teils der Einsatzluft.18. Vorrichtung nach Artspruch 1-7, gekennzeichnet durch einen Hilfskompressor lunt Verdichten- eines zusätzlichen Einsatzlfcfcftstromes auf einen Druck van mindestens 585 kPa und eine Leitungsanordnung zum fetberfuhren des zusätzlichen Einsatzluftstroms zu dem Zusdtzlcompressor,
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/936,093 US4224045A (en) | 1978-08-23 | 1978-08-23 | Cryogenic system for producing low-purity oxygen |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2933973A1 true DE2933973A1 (de) | 1980-02-28 |
DE2933973C2 DE2933973C2 (de) | 1982-03-25 |
Family
ID=25468164
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2953796A Expired DE2953796C1 (de) | 1978-08-23 | 1979-08-22 | Verfahren und Vorrichtung zum Erzeugen von Sauerstoff niedriger Reinheit durch Tieftemperaturrektifikation |
DE2933973A Expired DE2933973C2 (de) | 1978-08-23 | 1979-08-22 | Verfahren und Vorrichtung zum Erzeugen von Sauerstoff niedriger Reinheit durch Tieftemperaturrektifikation |
DE2953795A Expired DE2953795C1 (de) | 1978-08-23 | 1979-08-22 | Verfahren und Vorrichtung zum Erzeugen von Sauerstoff niedriger Reinheit durch Tieftemperaturrektifikation |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2953796A Expired DE2953796C1 (de) | 1978-08-23 | 1979-08-22 | Verfahren und Vorrichtung zum Erzeugen von Sauerstoff niedriger Reinheit durch Tieftemperaturrektifikation |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2953795A Expired DE2953795C1 (de) | 1978-08-23 | 1979-08-22 | Verfahren und Vorrichtung zum Erzeugen von Sauerstoff niedriger Reinheit durch Tieftemperaturrektifikation |
Country Status (8)
Country | Link |
---|---|
US (1) | US4224045A (de) |
JP (1) | JPS5563372A (de) |
CA (1) | CA1100863A (de) |
DE (3) | DE2953796C1 (de) |
FR (1) | FR2434351A1 (de) |
GB (1) | GB2028991B (de) |
IN (1) | IN153048B (de) |
ZA (1) | ZA794302B (de) |
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- 1979-08-22 DE DE2953796A patent/DE2953796C1/de not_active Expired
- 1979-08-22 JP JP10611679A patent/JPS5563372A/ja active Granted
- 1979-08-22 FR FR7921197A patent/FR2434351A1/fr active Granted
- 1979-08-22 DE DE2933973A patent/DE2933973C2/de not_active Expired
- 1979-08-22 DE DE2953795A patent/DE2953795C1/de not_active Expired
- 1979-08-23 CA CA334,372A patent/CA1100863A/en not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3059438A (en) * | 1957-05-13 | 1962-10-23 | Air Prod & Chem | Apparatus and method for fractionation of gas |
US3731495A (en) * | 1970-12-28 | 1973-05-08 | Union Carbide Corp | Process of and apparatus for air separation with nitrogen quenched power turbine |
DE2434238A1 (de) | 1974-07-16 | 1976-01-29 | Linde Ag | Verfahren zur speicherung und rueckgewinnung von energie |
DE2835852A1 (de) | 1978-08-16 | 1980-02-21 | Kraftwerk Union Ag | Kombinierte gas-dampfkraftanlage mit einer vergasungseinrichtung fuer den brennstoff |
Also Published As
Publication number | Publication date |
---|---|
DE2933973C2 (de) | 1982-03-25 |
FR2434351B1 (de) | 1981-10-16 |
DE2953796C1 (de) | 1982-07-22 |
IN153048B (de) | 1984-05-26 |
GB2028991A (en) | 1980-03-12 |
ZA794302B (en) | 1980-08-27 |
JPS5745993B2 (de) | 1982-09-30 |
CA1100863A (en) | 1981-05-12 |
GB2028991B (en) | 1982-10-27 |
JPS5563372A (en) | 1980-05-13 |
FR2434351A1 (fr) | 1980-03-21 |
US4224045A (en) | 1980-09-23 |
DE2953795C1 (de) | 1982-09-09 |
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