EP0130122B1 - Apparat zum Verdampfen einer Flüssigkeit durch Wärmeaustausch mit einem zweiten Fluid und Luftdestillationsanlage mit einem solchen Apparat - Google Patents

Apparat zum Verdampfen einer Flüssigkeit durch Wärmeaustausch mit einem zweiten Fluid und Luftdestillationsanlage mit einem solchen Apparat Download PDF

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Publication number
EP0130122B1
EP0130122B1 EP84401284A EP84401284A EP0130122B1 EP 0130122 B1 EP0130122 B1 EP 0130122B1 EP 84401284 A EP84401284 A EP 84401284A EP 84401284 A EP84401284 A EP 84401284A EP 0130122 B1 EP0130122 B1 EP 0130122B1
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EP
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Prior art keywords
passages
heat exchanger
liquid
exchanger according
openings
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EP84401284A
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English (en)
French (fr)
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EP0130122B2 (de
EP0130122A1 (de
Inventor
Pierre Petit
Maurice Grenier
Jean-François Deschamps
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LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Priority to AT84401284T priority Critical patent/ATE37229T1/de
Publication of EP0130122A1 publication Critical patent/EP0130122A1/de
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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • 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
    • F25J5/00—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants
    • F25J5/002—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger
    • F25J5/005—Arrangements of cold exchangers or cold accumulators in separation or liquefaction plants for continuously recuperating cold, i.e. in a so-called recuperative heat exchanger in a reboiler-condenser, e.g. within a column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0062—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements
    • F28D9/0068—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by spaced plates with inserted elements with means for changing flow direction of one heat exchange medium, e.g. using deflecting zones
    • 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
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/04—Down-flowing type boiler-condenser, i.e. with evaporation of a falling liquid film
    • 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
    • F25J2290/32—Details on header or distribution passages of heat exchangers, e.g. of reboiler-condenser or plate heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0033—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cryogenic applications
    • 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
    • Y10S62/902—Apparatus
    • Y10S62/903—Heat exchange structure

Definitions

  • the present invention relates to a heat exchanger intended for the vaporization of a liquid by heat exchange with a second fluid, as defined in the preamble of claim 1. It applies in particular to installations for the distillation of l 'air.
  • the liquid oxygen which is in the bottom of the low pressure column is vaporized by heat exchange with the nitrogen gas taken off at the head of the medium pressure column.
  • the temperature difference between oxygen and nitrogen made necessary by the structure of the heat exchanger imposes the operating pressure of the medium pressure column. It is therefore desirable that this temperature difference is as small as possible, in order to minimize the expenses linked to the compression of the air to be treated injected into the medium pressure column.
  • a heat exchanger of the type comprising a parallelepiped body formed by an assembly of parallel vertical plates defining between them a multitude of flat passages, means for distributing the liquid in two stages in a first set of passages, provided at the upper end of each of these passages, and means for sending the second fluid into the remaining passages (FR-A-2 007 887).
  • the two distribution stages are obtained the first thanks to an oblique wave, the second thanks to holes.
  • a double distribution of the liquid comprising a final distribution by means of holes is also provided in FR-A-2 017 807.
  • the object of the invention is to provide a heat exchanger of the same type which is better suited to the actual operating conditions of air distillation installations.
  • the subject of the invention is a heat exchanger of the aforementioned type, characterized in that said distribution means comprise openings for predistribution of the liquid in the passages of said first assembly and over their entire length, these openings opening onto a lining for fine distribution of the liquid over the entire length of the same passages.
  • the invention also relates to an air separation installation by distillation, of the type comprising a first distillation column operating at a relatively high pressure, a second distillation column operating at a relatively low pressure, and a heat exchanger allowing to put the liquid oxygen in the tank of the second column in heat exchange relation with the nitrogen gas at the top of the first column, characterized in that the heat exchanger is as defined above, and in that that the installation comprises supply means for supplying liquid oxygen to said predistribution openings, and means for supplying gaseous nitrogen to said remaining passages.
  • FIG. 1 illustrates a possibility of installing an oxygen-nitrogen heat exchanger in an air distillation installation of the double column type.
  • This installation comprises a medium pressure column 1 at the bottom of which the air to be treated is injected, under a pressure of the order of 6 bars absolute.
  • the oxygen-enriched liquid which is collected in the tank of column 1 is sent under reflux in the middle of the height of a second column (not shown), called the low pressure column, which operates slightly above atmospheric pressure.
  • the nitrogen gas which is at the head of column 1 is brought into heat exchange relationship with the liquid oxygen collected in the bottom of the low pressure column; the resulting condensed nitrogen serves as reflux in column 1 and in the low pressure column, while the resulting vaporized oxygen is returned to the bottom of the low pressure column.
  • the heat exchanger 2 consists of a sealed envelope 3, the main height of which contains a set of parallel plates 4 of shape rectangular aluminum, with a length of the order of 1 to 1.5 m and a height of the order of 3 to 6 m, between which waves also made of aluminum are fixed by brazing.
  • the space located above the plates 4 contains a liquid oxygen bath 5 supplied by a line 6 coming from the tank of the low pressure column and provided with a pump (not shown).
  • the latter can be controlled by a regulator of the level of the bath 5, which is shown diagrammatically by a tube 6A for level measurement, or, as a variant, by a flow regulator.
  • a pipe 7 for returning oxygen vaporized above the bath 5 to the bottom of the low pressure column, resulting from the heat inputs at the pump and the pipes.
  • the set of plates 4 is supplied at its upper part with gaseous nitrogen by a horizontal feed box 8 which communicates by a pipe 9 with the head of the medium pressure column 1.
  • the evacuation of the condensed nitrogen takes place at the base of the plates 4 by a horizontal collecting box 10 which communicates by a pipe 11 with a guarded channel 12 disposed at the head of the column 1.
  • On the box 10 is stuck a pipe 13 for discharging incondensable rare gases.
  • a pipe 14 connects the tank of the low pressure column to the space located in the casing 3 below the plates 4. This pipe penetrates vertically into this space through the bottom point of the casing 3, and its upper end is surmounted by a conical deflector 15. From the bottom of the casing 3 also leaves a pipe 16 intended to return to the bottom of the low pressure column the excess liquid oxygen.
  • the casing 3 has a parallelepiped shape.
  • the plates 4 define a multitude of passages intended alternately for the flow of oxygen (passages 17) and for the flow of nitrogen (passages 18). Over most of their height, the passages 17 and 18 each contain a wave 19 consisting of a corrugated perforated aluminum sheet with vertical generators.
  • the waves 19 of the nitrogen passages end, above and below, before the waves 19 of the oxygen passages.
  • these waves of the passages 18 are extended by oblique waves of nitrogen collection (not shown) which lead to the inlet of the manifold 10.
  • these same waves 19 are extended by oblique waves 20 of nitrogen distribution which open at the outlet of the feed box 8.
  • the nitrogen passages 18 are closed by horizontal bars 21.
  • each nitrogen passage comprises a liquid oxygen tank 22 containing a vertical wave 23 of perforated aluminum sheet, with vertical generators, the thickness and pitch of which are clearly greater than those of waves 19.
  • the waves 23 have only a function of spacers between the plates 4, so as to allow the assembly of the exchanger by a single brazing operation.
  • the tanks 22 are open upwards to communicate with the liquid oxygen bath 5.
  • the waves 19 of the oxygen passages 17 extend downwards to the lower end of the plates 4, so that these passages are open down.
  • These waves extend upwards to the upper edge of the bars 21, then are extended by a lining 24.
  • the latter consists of a wave of the "serrated " type which is illustrated in more detail in FIG. 6.
  • the wave 24 is an unperforated aluminum sheet with horizontal generators (so-called "hard way” arrangement with respect to the flow of liquid oxygen).
  • each horizontal or pseudo-horizontal facet 25 of the wave 24 is provided with a puncture 26 offset upwards by a quarter of a wave step.
  • the width of the punctures 26, measured along a generatrix of the wave, is of the same order as the distance which separates each of them from the two adjacent punctures situated on the same facet 25.
  • each plate 4 comprises, above the lining 24, a horizontal row of holes 27 arranged at regular intervals over the entire length of the exchanger, the holes of the successive plates being arranged at the same height but in a staggered arrangement. As a variant, these holes could moreover be provided only in every second plate.
  • the oxygen passages are closed by horizontal bars 28, arranged at the upper end of the plates 4. To avoid the risk of obstruction of certain holes 27 by waves 23, these are interrupted for a short height at the level of said holes.
  • the regulating device of the pump for supplying the exchanger 2 with liquid oxygen maintains above the plates 4 a level of the bath 5 sufficient to overcome the various pressure drops which oppose the flow of oxygen.
  • the height of liquid oxygen above the plates 4 is for example of the order of 20 cm.
  • Liquid oxygen fills the reservoirs 22 and passes through the holes 27, at a flow rate defined by the passage section of the latter and by the height of liquid which overcomes it. As this height is constant in steady state, the flow of liquid oxygen is that supplied by the pump for raising this liquid.
  • the holes 27 therefore ensure a rough predistribution of the liquid oxygen along the passages 17-, and the liquid oxygen thus pre-distributed reaches the lining 24, which ensures a fine distribution over the entire length of each passage 17
  • Liquid oxygen thus approaches waves 19 by flowing in a perfectly uniform manner over all the walls (waves 19 and plates 4) of the passages which are assigned to it, that is to say by forming on these walls a continuous descending film.
  • the nitrogen gas arrives in the exchanger through the box 8 and the distribution waves 20, then flows down along the passages 18. In so doing, it gradually gives off heat to the oxygen. liquid which is in the adjacent passages 17, so that the oxygen vaporizes and that, simultaneously, the nitrogen condenses.
  • the condensed nitrogen is collected in the box 10 and flows in the pipe 11 as far as the channel 12.
  • this liquid overflows from the channel and falls into reflux in the medium pressure column after a portion has been withdrawn through a pipe 11A to ensure the reflux of the low pressure column. This creates suction in the passages 17, which ensures the circulation of nitrogen.
  • the liquid oxygen flow rate is adjusted so as to guarantee an excess of liquid oxygen over the entire height of the plates 4.
  • a total vaporization of the oxygen in a region of the passages 17 would lead to this location at a concentration of acetylene dissolved in liquid oxygen, which could cause a local explosion.
  • this risk of explosion it would also result in a drop in performance of the exchanger by neutralization of the non-wetted surface. This risk is limited thanks to the high efficiency of the fine distribution provided by the lining 24.
  • the bars 21 which limit the upper passages 18 are arranged at the upper end of the plates 4, like the bars 28.
  • the holes 27 are eliminated and replaced by vertical holes 29 drilled at regular intervals in the bars 28, all along these.
  • the liquid oxygen in the bath 5 flows through the holes 29, at a flow rate corresponding to that of the pump for raising the liquid oxygen, and is thus predistributed over the entire length of the passages 17; these liquids then fall onto the lining 24 located just below (this lining has been shown very schematically in FIG. 3).
  • the lining 24 ensures a uniform fine distribution of the liquid oxygen over the entire length of the passages 17, and this liquid then flows along the waves 19 and the corresponding walls 4.
  • the heat exchange between oxygen and nitrogen begins during the passage of liquid oxygen through the linings 24, which are at the same level as the nitrogen gas distribution waves.
  • the holes 29 of the bars 28 instead of being of a constant diameter over the entire height of these bars, can have a diameter widened in the greater part of their height by a counterbore 29A made from the bottom.
  • FIG. 5 shows that similar holes can also be obtained by perforating the upper core 30 of U-shaped profiles constituting the bars 28.
  • the advantage of these two embodiments lies in the fact that the useful part of the holes 29, which defines the liquid oxygen passage section is short and therefore less subject to the appearance of blockages or undesirable vaporization.
  • the vaporized oxygen is evacuated from below at the same time as the excess liquid oxygen.
  • the vaporized oxygen is free to escape both from the top and from the bottom.
  • the exchanger of FIG. 6 is identical to that of FIG. 2 from the bottom of the plates 4 to the level of the upper edge of the bars 21 which limit the nitrogen passages 18 above.
  • each plate 4 has a horizontal row of holes 31. Above these, the plates 4 extend over a significant height, up to a level higher than that of the surface free from the liquid oxygen bath 5.
  • waves - spacers 32 with vertical generators similar to the waves 23 of FIG. 2.
  • a free space 33 is provided at the holes 31, above the waves 19, and this space is overcome, from bottom to top by the lining 24 previously described, by a bar 28 with holes 29 similar to those of FIG. 3, and by a wave-spacer 34 similar to waves 32 but with horizontal generatrices .
  • the bath 5 is fed laterally by a feed box 35 located above the box 8 and opening into the spaces occupied by the waves 34.
  • the bars 36 which close on this side the oxygen passages 17 extend upwards only up to the level of the upper edge of the bars 28.
  • the nitrogen circuit is conventional. It can therefore be replaced by other known types of nitrogen circuits, in particular by those described in patent FR-A-2431 103 of the applicant.
  • one or more heat exchangers according to the invention can be installed inside a double air distillation column whose low pressure column is superimposed on the medium pressure column.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Claims (16)

1. Wärmetauscher zum Verdampfen einer Flüssigkeit durch Wärmetausch mit einem zweiten Fluid, mit einem parallelepipedischen Körper, der aus einer Ansammlung von vertikalen, parallelen Platten (4) gebildet ist, welche zwischen sich eine Vielzahl von flachen Durchgängen (17, 18) bilden, mit Verteilungsmitteln der Flüssigkeit in zwei Schritten in einer ersten Gesamtheit von Durchgängen (17), die am oberen Ende jedes dieser Durchgänge vorgesehen sind, und mit Mitteln, um das zweite Fluid in die übrigen Durchgänge (18) zu schicken, dadurch gekennzeichnet, dass die Verteilungsmittel Vorverteilungsöffnungen (27; 29, 29A) aufweisen, die die Flüssigkeit in den Durchgängen (17) der ersten Gesamtheit und auf der ganzen Länge dieser Durchgängen hinein vorverteilen, welche Öffnungen in eine Packung (24) für die Feinverteilung der Flüssigkeit auf der ganzen Länge derselben Durchgänge (17) münden.
2. Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnungen (27; 29, 29A) eine horizontale Reihe von Löchern aufweisen.
3. Wärmetauscher nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass er Speichermittel (21, 18) aufweist, um ein Bad für Flüssigkeit (5) über den Öffnungen zu bilden.
4. Wärmetauscher nach Anspruch 3, dadurch gekennzeichnet, dass die Speichermittel Balken (21) aufweisen, welche die Durchgänge (18) der zweiten Gesamtheit an ihrem oberen Ende in einem gewissen Abstand von oberen Ende der vertikalen Platten (4) begrenzen, wobei die Öffnungen (27) in die Platten über diesem Balken durchstochen sind.
5. Wärmetauscher nach Anspruch 3, dadurch gekennzeichnet dass, die Speichermittel Balken (28) aufweisen, welche die Durchgänge (17) der ersten Gesamtheit an ihrem oberen Ende begrenzen, wobei die Öffnungen (29, 29A) vertikal in diesen Balken angeordnet sind.
6. Wärmetauscher nach Anspruch 5, dadurch gekennzeichnet, dass jede Öffnung (29, 29A) durch ein gegengebohrtes Loch gebildet ist.
7. Wärmetauscher nach Anspruch 5, dadurch gekennzeichnet, dass jeder Balken (28) ein nach unten offenes Profil in U-Form ist und in seinem Kern (30) eine Reihe von Löchern (29) aufweist.
8. Wärmetauscher nach einem der Ansprüche 3 bis 7, dadurch gekennzeichnet, dass er Mittel (31) aufweist, um einen Bereich der Durchgänge (17) der ersten Gesamtheit, der über der Feinverteilungspackung (24) angeordnet ist, mit einem freien Raum zu verbinden, der über dem Bad (5) angeordnet ist.
9. Wärmetauscher nach den Ansprüchen 5 und 8 zusammen, dadurch gekennzeichnet, dass die Platten (4) sich bis über das Niveau des Bades (5) erstrecken, dass Zusatzbalken (21) nach oben die Durchgänge (18) der zweiten Gesamtheit begrenzen und dass die Verbindungsmittel Öffnungen (31) aufweisen, welche in den Platten (4) über den Hilfsbalken und unter der Feinverteilungspackung (24) angeordnet sind.
10. Wärmetauscher nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Pakkung (24) aus einer Welle mit horizontalen Erzeugenden und mit teilweiser vertikaler Versetzung gebildet ist.
11. Wärmetauscher nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Feinverteilungspackung (24) auf demselben Niveau angeordnet ist wie eine Verteilervorrichtung (20) des zweiten Fluids in den Durchgängen (18) der zweiten Gesamtheit.
12. Wärmetauscher nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Feinverteilungspackung (24) ganz über einer Verteilungsvorrichtung (20) des zweiten Fluid in den Durchgängen (18) der zweiten Gesamtheit angeordnet ist.
13. Lufttrennanlage durch Destillation mit einer ersten Destillationssäule (1), die unter einem relativ hohen Druck arbeitet, einer zweiten Destillationssäule, die unter einem relativ geringen Druck arbeitet, und einem Wärmetauscher (2), welcher erlaubt, den flüssigen Sauerstoff von der Wanne der zweiten Säule in Wärmeaustausch mit dem gasförmigen Stickstoff vom Kopf der ersten Säule zu bringen, dadurch gekennzeichnet, dass der Wärmetauscher so beschaffen ist, wie in einem der Ansprüche 1 bis 12 definiert und dass die Anlage Versorgungsmittel (6, 6A; 35) aufweist, um den flüssigen Sauerstoff zu den Vorverteilungsöffnungen (27; 29, 29A) zuzuführen, und Versorgungsmittel für gasförmigen Stickstoff (8) der übrigen Durchgänge (18).
14. Anlage nach Anspruch 13, dadurch gekennzeichnet, dass die Versorgungsmittel (6, 6A; 35) Mittel aufweisen, um ein Bad (5) aus flüssigem Sauerstoff an der Spitze des Austauschers (2) zu bilden.
15. Anlage nach Anspruch 14, dadurch gekennzeichnet, dass die Versorgungsmittel (6, 6A; 35) Mittel (6A) für das Regulieren des Niveaus des Bades aufweisen.
16. Anlage nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, dass die Öffnungen (27; 29, 29A) geeignet sind, um einen Überschuss an flüssigem Sauerstoff derselben Grössenordnung wie der Durchsatz an verdampfter Flüssigkeit zu liefern.
EP84401284A 1983-06-24 1984-06-21 Apparat zum Verdampfen einer Flüssigkeit durch Wärmeaustausch mit einem zweiten Fluid und Luftdestillationsanlage mit einem solchen Apparat Expired - Lifetime EP0130122B2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84401284T ATE37229T1 (de) 1983-06-24 1984-06-21 Apparat zum verdampfen einer fluessigkeit durch waermeaustausch mit einem zweiten fluid und luftdestillationsanlage mit einem solchen apparat.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8310472A FR2547898B1 (fr) 1983-06-24 1983-06-24 Procede et dispositif pour vaporiser un liquide par echange de chaleur avec un deuxieme fluide, et leur application a une installation de distillation d'air
FR8310472 1983-06-24

Publications (3)

Publication Number Publication Date
EP0130122A1 EP0130122A1 (de) 1985-01-02
EP0130122B1 true EP0130122B1 (de) 1988-09-14
EP0130122B2 EP0130122B2 (de) 1994-04-06

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EP84401284A Expired - Lifetime EP0130122B2 (de) 1983-06-24 1984-06-21 Apparat zum Verdampfen einer Flüssigkeit durch Wärmeaustausch mit einem zweiten Fluid und Luftdestillationsanlage mit einem solchen Apparat

Country Status (14)

Country Link
US (1) US4599097A (de)
EP (1) EP0130122B2 (de)
JP (1) JPS6017601A (de)
KR (1) KR850000658A (de)
AT (1) ATE37229T1 (de)
AU (1) AU566656B2 (de)
BR (1) BR8403038A (de)
CA (1) CA1245627A (de)
DE (1) DE3474059D1 (de)
ES (1) ES8600489A1 (de)
FR (1) FR2547898B1 (de)
IN (1) IN160739B (de)
PT (1) PT78780A (de)
ZA (1) ZA844598B (de)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN107208986A (zh) * 2015-02-06 2017-09-26 乔治洛德方法研究和开发液化空气有限公司 包括液体‑制冷剂分配装置的热交换器
CN107208986B (zh) * 2015-02-06 2019-08-06 乔治洛德方法研究和开发液化空气有限公司 包括液体-制冷剂分配装置的热交换器

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US4599097A (en) 1986-07-08
ES533634A0 (es) 1985-09-16
EP0130122B2 (de) 1994-04-06
EP0130122A1 (de) 1985-01-02
KR850000658A (ko) 1985-02-28
PT78780A (fr) 1984-07-01
BR8403038A (pt) 1985-05-28
AU566656B2 (en) 1987-10-29
JPH0531042B2 (de) 1993-05-11
ES8600489A1 (es) 1985-09-16
FR2547898B1 (fr) 1985-11-29
ATE37229T1 (de) 1988-09-15
DE3474059D1 (en) 1988-10-20
CA1245627A (fr) 1988-11-29
AU2956384A (en) 1985-01-31
FR2547898A1 (fr) 1984-12-28
ZA844598B (en) 1985-02-27
IN160739B (de) 1987-08-01
JPS6017601A (ja) 1985-01-29

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