EP1077356A1 - Condenseur à circulation multiétagé - Google Patents

Condenseur à circulation multiétagé Download PDF

Info

Publication number
EP1077356A1
EP1077356A1 EP99117878A EP99117878A EP1077356A1 EP 1077356 A1 EP1077356 A1 EP 1077356A1 EP 99117878 A EP99117878 A EP 99117878A EP 99117878 A EP99117878 A EP 99117878A EP 1077356 A1 EP1077356 A1 EP 1077356A1
Authority
EP
European Patent Office
Prior art keywords
liquid
circulation
section
circulation section
passages
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.)
Withdrawn
Application number
EP99117878A
Other languages
German (de)
English (en)
Inventor
Wilhelm Rohde
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Linde GmbH filed Critical Linde GmbH
Publication of EP1077356A1 publication Critical patent/EP1077356A1/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • 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
    • F25J2250/02—Bath type boiler-condenser using thermo-siphon effect, e.g. with natural or forced circulation or pool boiling, i.e. core-in-kettle heat exchanger
    • 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
    • F25J2250/10—Boiler-condenser with superposed stages
    • 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
    • F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams

Definitions

  • the invention relates to a device for evaporating a liquid with a Heat exchanger, the evaporation passages for the liquid and Has liquefaction passages for a heating medium and at least two Circular sections arranged one above the other, the Evaporation passages in each case at the lower end of the circulation section Inlet opening for the liquid and in each case from the upper end of the circulation section have an outlet opening for the liquid and means for guiding liquid from the outlet opening of a circulation section to the inlet opening of the underlying circulation section are provided.
  • the heat exchanger is essentially in two different basic forms realized.
  • the Condenser block in the liquid bath from which liquid is to be evaporated The liquid enters the evaporation passages of the condenser block from below one and becomes partially against that flowing through the liquefaction passages Heating medium evaporates.
  • the resulting gas cracks a considerable amount Liquid with.
  • the residual liquid and gas emerge from the top Evaporation passages off and the liquid runs back into the liquid bath.
  • the liquid to be evaporated is passed through Distribution system, which also forms a gas seal, in the top Evaporation passages initiated.
  • the liquid runs over the liquid film Heating surface down, partially evaporating.
  • the resulting gas and the Undevaporated residual liquid emerges from the bottom of the falling film evaporator.
  • the Liquid collects in the collecting space under the condenser, while the gas portion is being forwarded.
  • a heat exchanger is known from EP 0 795 349 A1, in which a Falling film evaporator is coupled to a circulating condenser.
  • the lower part of the Falling film evaporator from which the gas-liquid mixture emerges is with the Liquid entry of a circulation condenser arranged below it on the flow side connected.
  • the gas liquid outlets of both condensers forming one unit are roughly on the same level.
  • a combined falling film circulation condenser is known from US Pat. No. 5,775,129 that of the falling film evaporator with two circulating condensers underneath is coupled.
  • the liquid bath of the top of the two circulation condensers will by a gallery-like one that extends around the entire heat exchanger block Collection vessel realized.
  • the collecting vessel running around the heat exchanger block however, complicates the manufacture of the heat exchanger considerably.
  • the object of the present invention is therefore a device of the beginning to create mentioned type that is inexpensive and technically easy to implement.
  • This object is achieved in that at least two spaced, parallel heat exchangers are provided and that at least in the space between the heat exchangers a liquid holding device is located.
  • the device according to the invention for evaporating liquid consists of at least two heat exchangers that are at a certain distance from each other are arranged.
  • Each heat exchanger can consist of several subunits exist, both in parallel and in series for heat exchange between the evaporating liquid and the heating medium.
  • each heat exchanger has at least two circulation sections, which are arranged one above the other and that of the liquid to be evaporated flow through one after the other.
  • circulation section in following understood a section of a heat exchanger in which the function a circulation evaporator or liquid bath evaporator is realized.
  • each circulation section also has one Liquid bath in connection, from which the circulation section is fed with liquid becomes.
  • the invention is in the space between the at least two spaced heat exchangers at least one receiving device for Liquid with which the inlet opening is connected to at least one circulation section is.
  • the number of in the space between the Heat exchangers for liquid by one less than the number of circulation sections arranged one above the other.
  • the entire device for evaporating liquid according to the invention is located usually in a liquid bath, from which liquid to the bottom Circulation section can flow.
  • the liquid holding devices in the Gap serve as a liquid reservoir for the other circulation sections and are each corresponding to the entry opening or the entry openings Circular section connected.
  • the heat exchangers are advantageously arranged mirror-symmetrically to one another. All provided in the space between the heat exchangers Devices, in particular the receiving device (s) for liquid, can thus be connected to both or all heat exchangers. A device in the Gap can thus have a certain function, e.g. Liquid storage or Transfer of liquid, simultaneously for several heat exchangers perceive.
  • the liquid intake device between the heat exchangers preferably realized in that the space between the Heat exchangers are closed at the bottom and sides.
  • the space itself thus forms the space for storing liquid. Specific Storage devices in the space are therefore not required.
  • With two circulation sections arranged one above the other preferably become the upper one Circulating section is supplied with liquid from the space while the lower one Circulation section is connected to a liquid bath in which the Heat exchangers are standing. If there are more than two circulation sections, then the space is preferably divided into several by further horizontal divisions Sections divided, each forming a liquid receiving device.
  • the heating surface can advantageously be increased in that everyone Heat exchangers consisting of two to four parallel, side by side arranged blocks, each of which in turn has at least two Has circulation sections.
  • the liquid holding devices are preferably designed such that in operation, the liquid in the cradle to the top of the Circulation section stands, the inlet opening with the receiving device is connected on the liquid side.
  • the circulation section is thus completely immersed in it assigned liquid bath.
  • the inlet opening with the receiving device is connected on the liquid side, above the maximum liquid level in the Cradle are located.
  • the immersion depth of the associated Change circulation section in the liquid it is possible, by appropriate execution of the Recording device for liquid the immersion depth of the associated Change circulation section in the liquid. This can be done, for example achieved that an overflow is provided, which the level of Cradle limited to a certain height. Depending on how high the negative influence of large liquid heights, the height of the Circulating sections and / or the execution of the associated receiving device chosen. Immersion depths of more than 75%, preferably more than, have proven successful 90% of the height of the circular section.
  • the liquefaction passages for the heating medium preferably run continuously over the entire height of a heat exchanger, i.e. by all Circular sections.
  • the density of the liquefaction passages can be favorable to vary over the height of the heat exchanger.
  • the inlet opening (s) are into the evaporation passages of a circulation section and the outlet opening / s from the evaporation passages of the underlying circulation section opposite sides of the heat exchanger.
  • a section of the plate heat exchanger can diagonally into the Transition zone from the entrance opening to the passages of the upper one Circulation section and into the transition zone from the passages to the outlet opening of the underlying circulation section. In this way, the Height of the heat exchanger can be reduced.
  • the heat exchanger has more than two circulation sections, it is advantageous to if there is a difference between the lowest and the highest Circulation section lying circulation section (s) the entry opening / s into the Evaporation passages and the outlet opening (s) from the evaporation passages are on the same side of the heat exchanger.
  • the from the outlet openings the non-evaporated residual liquid emerging from the evaporation passages can then directly into that belonging to the corresponding circulation section Liquid intake device can be introduced. Lines for return the residual liquid from the outlet opening to the receiving device is unnecessary.
  • the construction according to the invention can be added in the horizontal direction further blocks connected in parallel and / or in the vertical direction Expand subdivision into additional circulation sections as required. So on smallest space very large heat exchanger volumes and thus very large Heating surfaces can be realized. The supply of the heating medium to be condensed and the discharge of the resulting liquid can be done via a single one Lead happen. The pressure losses of the heating medium are thus minimized.
  • the device for vaporizing according to the invention has in particular proven to be Main condenser in cryogenic air separation plants with a double column proven. Their use for vaporizing bottom liquid in is equally advantageous a single column device for low-temperature air separation. So swamp liquid can with an oxygen content of 45 to 50% from a column operated at about 3 bar by means of the device according to the invention against pressure nitrogen from the head thereof Column are evaporated.
  • Figure 1 shows a section of a double column of an air separation plant. Between the upper end 1 of the pressure column and the lower end 2 of the The main condenser 3 is located in the low-pressure column.
  • the main condenser 3 has two heat exchangers 4, each of which, as can be seen in FIG. 2, consists of three Blocks 5 exist.
  • Each block 5 has a cross section of 1.2 m x 1.2 m and a height of 3.5 m.
  • the individual blocks 5 each consist of a lower circulation section a and an upper circulation section b.
  • the evaporation passages 7, 10 are Heat exchanger 4 shown.
  • the evaporation passages 7, 10 and the liquefaction passages alternate in the direction perpendicular to the drawing plane.
  • the lower circulation sections a have vertical ones Evaporation passages 7, which are open at the bottom. Above the vertical Evaporation passages 7 are followed by slats 8 arranged at an angle the fluid flowing in the evaporation passages 7 to that on the outside of the heat exchanger 4 located outlet opening 9 is passed.
  • the top Circulation sections b consist of vertical evaporation passages 10, which are open to the top and from an area 11 in which the Evaporation fits 10 through sloping fins to the inlet opening 12 be extended, which on the opposite side of the outlet opening 9 Heat exchanger 4 is located.
  • the inlet opening 12 for the liquid in the upper circulation section b is evaporated, is at the same level as that Outlet opening 9 of the lower circulation section a.
  • the two heat exchangers 4 are at a distance of 0.5 m with the Inlet openings 12 of the upper circulation section b facing each other.
  • the gap 13 between the heat exchangers 4 is below and at the Sides closed with flat plates 14 and serves as a liquid bath for the upper Circulation sections b.
  • the distance between the top edge of the side plates 14 and the top edge of the Heat exchanger 4 is 150 mm.
  • the upper circulation sections b are thereby Operation about 90% immersed in liquid. By choosing the appropriate height the side plates 14 can the immersion depth of the upper circulation section b in the Liquid can be specified.
  • liquid oxygen runs from the lower end of the Low pressure column 2 through an opening 15 in the space 13 in which the liquid oxygen accumulates.
  • the collected liquid passes over the Entry openings 12 into the upper circulation sections b and is against gaseous Nitrogen partially evaporated from the pressure column 1.
  • the one in the Evaporation passages 10 non-evaporated liquid portion of the evaporated gas entrained and at the upper end of the circulation section b Baffles 16 passed back into the space 13.
  • the gaseous nitrogen serving as the heating medium from the pressure column 1 is the Liquefaction passages, not shown, are supplied at their upper end.
  • the Nitrogen flows through the entire heat exchanger 4 in countercurrent to that in the evaporation passages 10, 7 ascending oxygen is liquefied and led back into the pressure column 1 as reflux liquid.
  • liquid oxygen runs over the side walls 14 into the room 17 in which are the heat exchangers 4.
  • the liquid oxygen accumulating in the space 17 enters the bottom from the lower circulation sections a and is in indirect heat exchange with the in nitrogen flowing at least partially against the liquefaction passages evaporates.
  • the gas evolving occurs with the entrained gas Liquid in each case approximately in the middle of the heat exchanger 4 through the Exit opening 9 from.
  • the entrained liquid runs back into the lower bath 17.
  • each heat exchanger 4 in turn consists of three blocks 5, this is done evaporation simultaneously and in parallel in six blocks b.
  • the one from these blocks b escaping liquid oxygen collects in the intermediate space 13 and is after it has flowed into the lower bath 17 via the side plates 14, in one second evaporation stage evaporated in the six lower circulation sections a.
  • FIG. 3 shows a main condenser which likewise has two heat exchangers 20, each of which in turn consists of three blocks connected in parallel and not shown in the drawing.
  • the blocks are each composed of 4 circulation sections a, b, c, d arranged one above the other.
  • Each block has a size of approximately 1.2 mx 1.2 mx 6.0 m, which results in a total heating area of approximately 20,000 m 2 .
  • the two heat exchangers 20 are mirror-symmetrical to one another Distance of 0.5 m arranged in the main oxygen bath 22. Between the two Heat exchangers 20 are attached to side walls 23 which extend over the height of the three upper circumferential sections b, c, d extend. The side walls 23 are on her lower end connected by a lower wall 24b. The one through the Side walls 23 and the lower wall 24b limited space between the Heat exchangers 20 is additionally at the lower end of the two upper ones Circulating sections c and d divided by horizontal floors 24c and 24d, which in three liquid reservoirs 30b, 30c, 30d are formed in the intermediate space.
  • Each liquid reservoir 30b, 30c, 30d has an overflow 31b, 31c, 31d the liquid from a certain level in the memory 30b, 30c, 30d in can drain the liquid storage underneath.
  • the overflow is through a from the respective floor 24b, 24c, 24d into the liquid reservoir 30b, 30c, 30d extending vertical tube 31b, 31c, 31d realized.
  • flow deflections 32 ensures that the out liquid flowing away from the liquid stores 30d, 30c initially only in each case underlying liquid storage 30c or 30b occurs.
  • Flow deflections 32 can also be done in other ways, for example by horizontally staggered overflows 31 b, 31 c, 31 d, ensure that the overflowing liquid gradually from one liquid store to the next running.
  • the outlet openings 9 of the middle circulation sections b, c are on the liquid side each connected to the corresponding liquid reservoirs 30b, 30c. This can, as shown in Figure 3, through a circumferential gallery 33 and openings 34 in the Side walls 23 can be realized. But it is also possible to use pipe connections between the outlet openings 9 and the corresponding liquid stores 30b, 30c to be provided.
  • the individual circulation sections a, b, c, d are in the same way as those in the figures 1 and 2 device shown.
  • the liquefaction passages extend also over the entire height of the heat exchanger 20, i.e. over all four Orbital sections a, b, c, d.
  • the gaseous nitrogen accumulating at the top of the pressure column 1 becomes the Entry opening 25 of the liquefaction passages at the upper end of the uppermost Circulation section d supplied and flows through all circulation sections d, c, b, a, wherein he heat at the in the evaporation passages 40a, 40b, 40c, 40d counter-flowing liquid oxygen and at least partially is liquefied.
  • the liquid nitrogen leaves the heat exchanger 20 through the Outlet opening 26 and is used as reflux liquid in the pressure column 1.
  • liquid oxygen flows out of the Liquid storage 30d in the underlying liquid storage 30c.
  • the liquid oxygen enters from the liquid storage 30c Evaporation passages 40c of the circulation section c, in turn becomes partial evaporates and exits the circulation section c through the outlet opening 9.
  • the non-evaporated liquid portion is via the two heat exchangers 20 and gallery 33 surrounding the space between the two heat exchangers 20 and returned to the liquid reservoir 30c via the openings 34.
  • the liquid level in the reservoir 30c also rises above the height of the inlet opening of the corresponding overflow 31c, so the liquid oxygen in the underlying liquid reservoir 30b initiated. After at least partially Evaporation in the umlaub section b will the remaining liquid portion Oxygen is returned to the reservoir 30b via a gallery 33 and openings 34 and when a certain liquid level is exceeded via the overflow 31 b in the main oxygen bath 22 passed.
  • the liquid oxygen in the main oxygen bath 22 finally emerges from below into the evaporation passages 40a of the lowermost circulation section a partially evaporated.
  • the remaining liquid portion of oxygen is in the Main oxygen bath 22 returned.
  • the in the individual circulation sections a, b, c, d each resulting gaseous oxygen rises into the low-pressure column 2.

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)
EP99117878A 1999-08-19 1999-09-10 Condenseur à circulation multiétagé Withdrawn EP1077356A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999139294 DE19939294A1 (de) 1999-08-19 1999-08-19 Mehrstöckiger Umlaufkondensator
DE19939294 1999-08-19

Publications (1)

Publication Number Publication Date
EP1077356A1 true EP1077356A1 (fr) 2001-02-21

Family

ID=7918880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99117878A Withdrawn EP1077356A1 (fr) 1999-08-19 1999-09-10 Condenseur à circulation multiétagé

Country Status (2)

Country Link
EP (1) EP1077356A1 (fr)
DE (1) DE19939294A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011113671A1 (de) 2011-09-20 2013-03-21 Linde Ag Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
DE102011113668A1 (de) 2011-09-20 2013-03-21 Linde Aktiengesellschaft Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
WO2013041229A1 (fr) 2011-09-20 2013-03-28 Linde Aktiengesellschaft Procédé et dispositif de séparation cryogénique de l'air
DE102015009563A1 (de) 2015-07-23 2017-01-26 Linde Aktiengesellschaft Luftzerlegungsanlage und Luftzerlegungsverfahren

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10027139A1 (de) 2000-05-31 2001-12-06 Linde Ag Mehrstöckiger Badkondensator
DE10137103A1 (de) * 2001-07-30 2003-02-13 Linde Ag Mehrstöckiger Kondensator-Verdampfer
EP3910274A1 (fr) 2020-05-13 2021-11-17 Linde GmbH Procédé de séparation cryogénique de l'air et installation de séparation de l'air

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2064065A7 (en) * 1969-10-01 1971-07-16 Linde Ag Condenser evaporator for oxygen and - nitrogen prodn
US4124069A (en) * 1975-08-01 1978-11-07 Linde Aktiengesellschaft Heat exchanger with spirally wound sheets
US4606745A (en) * 1984-05-30 1986-08-19 Nippon Sanso Kabushiki Kaisha Condenser-evaporator for large air separation plant
EP0795349A1 (fr) * 1996-02-14 1997-09-17 Linde Aktiengesellschaft Dispositif et procédé pour l'évaporation d'un liquide

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2064065A7 (en) * 1969-10-01 1971-07-16 Linde Ag Condenser evaporator for oxygen and - nitrogen prodn
US4124069A (en) * 1975-08-01 1978-11-07 Linde Aktiengesellschaft Heat exchanger with spirally wound sheets
US4606745A (en) * 1984-05-30 1986-08-19 Nippon Sanso Kabushiki Kaisha Condenser-evaporator for large air separation plant
EP0795349A1 (fr) * 1996-02-14 1997-09-17 Linde Aktiengesellschaft Dispositif et procédé pour l'évaporation d'un liquide

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011113671A1 (de) 2011-09-20 2013-03-21 Linde Ag Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
DE102011113668A1 (de) 2011-09-20 2013-03-21 Linde Aktiengesellschaft Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
EP2573492A1 (fr) 2011-09-20 2013-03-27 Linde Aktiengesellschaft Procédé et dispositif destinés à la décomposition à basse température d'air
WO2013041229A1 (fr) 2011-09-20 2013-03-28 Linde Aktiengesellschaft Procédé et dispositif de séparation cryogénique de l'air
DE102015009563A1 (de) 2015-07-23 2017-01-26 Linde Aktiengesellschaft Luftzerlegungsanlage und Luftzerlegungsverfahren

Also Published As

Publication number Publication date
DE19939294A1 (de) 2001-02-22

Similar Documents

Publication Publication Date Title
EP1287302B1 (fr) Condenseur a bain a plusieurs etages
DE19605500C1 (de) Vorrichtung und Verfahren zum Verdampfen einer Flüssigkeit
DE3028304C2 (de) Plattenwärmeaustauschereinheit
EP1287303A2 (fr) Condenseur a bain a plusieurs etages
DE3317951C2 (de) Rieselfilmverdampfer
DE1053469B (de) Fraktionierkolonne
DE2602679A1 (de) Verfahren zur herstellung eines luftgekuehlten, atmosphaerischen waermeaustauschers
DE3220774A1 (de) Plattenverdampfer oder -kondensator
DE102012004900A1 (de) Vorrichtung zur Kühlung und/oder zur Wärmerückgewinnung
DE69933202T2 (de) Fallfilm-Verdampfer als Kondensationsverdampfer
DE1949609C3 (de) Kondensatorverdampfer für einen Doppelsäulenrektifikator
DE2222269A1 (de) Rektifizierturm oder -kolonne
DE3107151C2 (de) Anlage zum Verflüssigen und Zerlegen von Luft
EP1077356A1 (fr) Condenseur à circulation multiétagé
DE102007003437A1 (de) Mehrstöckiger Badkondensator im Flüssigkeitsbad
DE60006321T2 (de) Verdampferkondensor mit hartgelöteten Platten und deren Verwendung in einer Luftdestillationsvorrichtung
EP0066790A1 (fr) Procédé et dispositif pour la distillation à trajet court
EP3159648B1 (fr) Évaporateur-condensateur-échangeur thermique à plaques et procédé cryogénique de séparation d'air
DE2302374C3 (de) Wärmetauscheranlage zur Rückkühlung von Kühlwasser mit Hilfe von Umgebungsluft
DE2430836A1 (de) Waermeaustauschermodell
DE10137103A1 (de) Mehrstöckiger Kondensator-Verdampfer
DE1444458A1 (de) Einrichtung zur Zerlegung eines Gasgemisches durch Rektifikation oder durch Absorption einzelner Bestandteile mit Hilfe eines Loesungsmittels
EP1429098A1 (fr) Echangeur de chaleur
DE102018005505A1 (de) Wärmeübertrager mit Block als Fallfilmverdampfer und Verfahren zur indirekten Wärmeübertragung
DE102010051526A1 (de) Mehrstöckiger Badkondensator

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20010724

AKX Designation fees paid

Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17Q First examination report despatched

Effective date: 20021205

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20040707