EP3567329A1 - Dispositif d'extraction du condensat et échangeur thermique - Google Patents

Dispositif d'extraction du condensat et échangeur thermique Download PDF

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Publication number
EP3567329A1
EP3567329A1 EP18020197.2A EP18020197A EP3567329A1 EP 3567329 A1 EP3567329 A1 EP 3567329A1 EP 18020197 A EP18020197 A EP 18020197A EP 3567329 A1 EP3567329 A1 EP 3567329A1
Authority
EP
European Patent Office
Prior art keywords
condensate
heat exchanger
lock
collection chamber
extraction device
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Withdrawn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
EP18020197.2A
Other languages
German (de)
English (en)
Inventor
Robert Adler
Ekkehardt Klein
Christoph Nagl
Andreas POLLAK
Michael Hernegger
Matthias Kurras
Werner Muchitsch
Thomas Karoschitz
Leopold Hauser
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.)
RAG Austria AG
Linde GmbH
Original Assignee
RAG Austria AG
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 RAG Austria AG, Linde GmbH filed Critical RAG Austria AG
Priority to EP18020197.2A priority Critical patent/EP3567329A1/fr
Priority to EP19722794.5A priority patent/EP3791125B1/fr
Priority to PCT/EP2019/025134 priority patent/WO2019214849A1/fr
Publication of EP3567329A1 publication Critical patent/EP3567329A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28B—STEAM OR VAPOUR CONDENSERS
    • F28B9/00—Auxiliary systems, arrangements, or devices
    • F28B9/08—Auxiliary systems, arrangements, or devices for collecting and removing condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F17/00—Removing ice or water from heat-exchange apparatus
    • F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/08—Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/14—Pull-through rods
    • 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
    • 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
    • F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
    • F28D2021/0063—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/06—Safety or protection arrangements; Arrangements for preventing malfunction by using means for draining heat exchange media from heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/22—Safety or protection arrangements; Arrangements for preventing malfunction for draining

Definitions

  • the invention relates to a condensate extraction device for a heat exchanger, and a heat exchanger.
  • the invention is therefore particularly in the technical field of heat exchangers, preferably for cooling and / or liquefaction of natural gas.
  • Heat exchangers for heating or for cooling a working medium are widely known from the prior art. Without restricting generality, the working medium natural gas will be considered in more detail below. Natural gas from soil reservoirs often has a particularly high percentage of unwanted accompanying substances and particularly high proportions of water. It is desirable to remove the impurities as well as the water content from the natural gas before it is used for further purposes. One possibility for this is the cooling of the natural gas in one or more steps to suitable low temperatures. In particular, in this case, a liquefaction of the natural gas may be appropriate.
  • Condensing and freezing impurities such as water, CO 2 and hydrocarbon compounds separate on the heat transfer surfaces and thus reduce the heat transfer. Even at operating temperatures above the freezing point of water, it may also come to the heat transfer surfaces to form methane hydrate.
  • Cylinder tubes of heat exchangers may for example be provided with a cleaning device by means of which deposits from the heat transfer surfaces in the cylinder tubes can be removed mechanically.
  • a cleaning device by means of which deposits from the heat transfer surfaces in the cylinder tubes can be removed mechanically.
  • the DE 10 2015 010 455 A1 such a cleaning device.
  • such a cleaning device typically has the disadvantage that a condensate collected in a deposition process is present in a reservoir and for extracting the condensate from the reservoir, the condensate must be melted by means of heat supply.
  • the heat to be supplied for this purpose causes not only the desired melting of the condensate, but also at least partial evaporation of volatiles in the heat exchanger.
  • the heat supply can lead to part of the working medium which has previously been cooled and / or liquefied in the heat exchanger, such as natural gas, being reheated or even re-gasifying.
  • the heat input needed to extract the condensate typically results in a reduction of the separation efficiency and, consequently, the efficiency of the heat separator.
  • the invention is therefore based on the object to provide a heat exchanger with improved efficiency and / or improved separation efficiency.
  • the invention in a first aspect, relates to a condensate extraction device for a heat exchanger.
  • the condensate extraction device has a condensate drain opening and a lock device with a condensate collection chamber, wherein the lock device can be arranged in a collection position and in a drain position.
  • the condensate extraction device is attachable to a heat exchanger such that the condensate collection chamber is opened to an interior of the heat exchanger in the collection position and closed to Kondensatablassö réelle, and that the condensate collection chamber in the Ablass ein is closed to the interior of the heat exchanger and is open to Kondensatablassö Maschinen.
  • the invention relates to a heat exchanger with a cylinder tube, wherein a condensation extraction device according to the invention is arranged on the cylinder tube.
  • the interior of the heat exchanger can be formed in particular by an interior of a cylinder tube of the heat exchanger, through which the working medium, such as natural gas, flows for heating or cooling in the heat exchanger.
  • the invention offers the advantage that the condensate obtained in a deposition process or during cooling and / or liquefaction of the working medium can be extracted by the condensate extraction device according to the invention, without the need for heat supply for the previous melting of the condensate.
  • the invention offers the possibility of extracting condensate from the heat exchanger without requiring heating of parts of the heat exchanger and / or of the working medium located therein.
  • the invention offers the advantage that heating of cooled in the heat exchanger working fluid and / or a transition to the gas phase can be avoided by already liquefied in the heat exchanger working fluid. Consequently, the invention makes it possible to increase the efficiency of the heat exchanger or of the deposition processes taking place therein.
  • the invention has the advantage that it can be dispensed with a provision of heating mechanisms integrated in the heat exchanger, which are conventionally necessary in order to liquefy the condensate.
  • the structure of the heat exchanger can be simplified and the manufacturing costs and / or the maintenance costs can be reduced.
  • the condensate collection chamber has a condensate extraction opening, which can be arranged facing the interior of the heat exchanger in the collection position and faces the condensate discharge opening in the discharge position.
  • the condensate extraction opening thereby offers the possibility on the one hand to face the interior of the heat exchanger and to receive the condensate, which is conveyed for example by a cleaning device through the condensate extraction opening into the condensate collection chamber, and on the other hand to face the condensate discharge opening in the drain position, in order in the condensate collection chamber draining or extracting condensate via the condensate drain opening.
  • the lock device has a lock capsule, in which the condensate drain opening is formed and which can be connected to the heat exchanger.
  • the lock device has a lock head element arranged in the lock capsule, in which the condensate collection chamber is formed, and which is pivotable in the lock lock between the collection position and the drainage position.
  • the lock device can be designed in the manner of a ball valve, so that the lock head element in the lock capsule is pivotable or rotatable such that the condensate extraction opening in the collection position faces the interior of the cylinder tube of the heat exchanger and by turning or pivoting the lock head element in the lock capsule the Kondensatablassö réelle is zuwendbar and vice versa.
  • the lock device is preferably designed such that the lock device blocks or closes the condensate discharge opening in the collection position and closes the interior of the heat exchanger at its connection to the condensate extraction device in the discharge position.
  • This allows efficient and safe discharge of condensate from the heat exchanger without having to make a direct opening from the interior of the heat exchanger to the condensate drain opening.
  • this is advantageous in that a much greater pressure can prevail in the interior of the heat exchanger than the ambient pressure at the condensate discharge opening.
  • the lock head element is spherical or cylindrical in shape and is about an axis through the center of the ball or to the cylinder axis pivotable or rotatable.
  • the cylindrical shape or spherical shape of the lock head element does not preclude that the lock head element has the condensate collection chamber or the condensate collection chamber is formed in the lock head element. A therefore touching deviation from the spherical shape or the cylindrical shape is not contrary to the spherical shape or cylindrical shape.
  • the lock head element may have additional elements, which serve for example, the storage and / or the drive or the rotation of the lock head element, which also should not stand in the way of spherical or cylindrical shape. Such a form of the lock head element offers the advantage that a reliable sealing of the lock device can be achieved.
  • the lock device has at least one flushing recess, which extends from an outer side of the lock head element to the condensate collection chamber and is designed to conduct a flushing fluid into the condensate collection chamber.
  • This offers the possibility of assisting the discharge of condensate from the condensate collection chamber through the condensate discharge opening by the introduction of the flushing fluid in order, for example, to achieve particularly rapid and / or thorough removal of the condensate from the condensate collecting chamber.
  • this offers the advantage that preferably also strongly adhering in the condensate collection condensate can be removed reliably.
  • At least one drip edge is formed on the condensate extraction opening. This offers, for example, the advantage that a reliable stripping of condensate conveyed into the condensate collection chamber is made possible and / or reliable draining of the condensate during discharge through the condensate discharge opening is made possible.
  • a heat exchanger further comprises a cleaning device, wherein the heat exchanger is adapted to convey by means of the cleaning device in the cylinder tube condensate via the condensate extraction opening in the condensate collection chamber when the lock device is arranged in the collection position, and the transported condensate in the condensate collecting condensate drain the condensate collection chamber when the lock device is disposed in the Ablassdian.
  • the heat exchanger is adapted to convey by means of the cleaning device in the cylinder tube condensate via the condensate extraction opening in the condensate collection chamber when the lock device is arranged in the collection position, and the transported condensate in the condensate collecting condensate drain the condensate collection chamber when the lock device is disposed in the Ablasswolf.
  • the heat exchanger is designed such that the lock head element is pivotable about an axis perpendicular to a longitudinal direction of the cylinder tube between the collection position and the drainage position.
  • the lock device can be sealed particularly reliably and the construction of the heat exchanger can be made particularly simple.
  • the condensate discharge opening is arranged along the longitudinal direction of the cylinder tube.
  • FIG. 1 shows schematically and fragmentary a longitudinal section (divided on the Figures 1A (left side) and 1 B (right side)) by an embodiment of a Heat exchanger 13, as it can be used in particular for cooling natural gas.
  • the heat exchanger 13 has an outer cylinder tube 1, which surrounds a cylinder tube, which is designed as a cooling coil 2.
  • This cooling coil 2 has at least one, preferably spiral, channel 23 on its outer surface, which serves to guide a coolant.
  • This channel 23 is generated by a corresponding helix 21 on the outer surface of the cooling coil 2.
  • the inner surface of the hollow cylindrical cooling coil 2 has guide grooves, which serve to guide a cleaning element 12, which is also referred to as a scraper.
  • the cleaning element 12 may be formed as an ice scraper.
  • the heat exchanger 13 has a cleaning device 10, which has a threaded spindle 3 located in the interior of the cooling coil 2 and extending in an axial direction 100.
  • the threaded spindle 3 is driven by a coupling element 30 and is mounted in a bearing point, which is preferably designed as an axial / radial mixing bearing 5.
  • this can be stored in a radial bearing, which is preferably designed as a plain bearing bushing 8.
  • a condensate extraction device 38 is formed, which is connected to the cylinder tube.
  • the condensate extraction device 38 has a lock capsule 42, which encloses the lock head element 44 arranged therein.
  • the lock head element 44 is designed spherical, so that the lock device 40 results in an arrangement similar to a ball valve.
  • the condensate collection chamber 46 is formed, which is formed as a recess and has a size, so that the remaining lock head element 44 has sufficient thickness and stability to the inner space 2a of the cylinder tube pressure-tight against the environment or against a in the lock capsule 42nd sealed condensate drain opening 48 to seal.
  • the lock device 40 is in the collection position, in which a condensate extraction opening 50 of the condensate collection chamber 46 faces the interior 2a of the cylinder tube and connects the condensate collection chamber 46 with the interior 2a. This makes it possible that by means of Cleaning element 12 in the interior 2a accumulated condensate can be transported into the condensate collection chamber 46.
  • a threaded spindle 3 is used for example with trapezoidal profile. A reversal of the direction of movement of the reamer 12 requires a reversal of the direction of rotation of the threaded spindle 3.
  • moist, contaminated working medium is introduced into the intermediate space between threaded spindle 3 and between cooling coil 2 and into the interior of the cylinder tube via a working medium inlet opening 14 on both sides and flows in the axial direction 100 to the working medium outlet opening 15 on both sides
  • the working fluid flows on the inner surface of the hollow cylindrical cooling coil 2 along the axial direction 100.
  • Coolant is supplied to the space between the cooling coil 2 and the outer cylinder tube 1 via a coolant inlet opening 16 on both sides, which flows to the other end of the heat exchanger 13 and leaves this through the coolant outlet opening 17.
  • the coolant flows spirally in the axial direction in the channel 23 formed between the outer cylindrical tube 1 and the cooling coil 2.
  • the coolant removes heat from the cooling coil 2, which in turn removes heat from the working medium.
  • the heat exchanger 13 is flowed through counter to the direction 100. If the heat exchanger is operated in countercurrent, inlet and outlet openings of the coolant are correspondingly reversed.
  • the cooling medium for example nitrogen at a maximum of 10 bar
  • the working medium here CNG with impurities including nitrogen from 4 to 220 bar
  • nitrogen as a companion at high pressure eg. At 10 bar
  • liquid nitrogen at low pressure for example, at 1 bar
  • the heat exchanger 13 proposed here can thus also be used for the liquefaction of nitrogen.
  • the threaded spindle 3 is rotated by a drive element via the coupling element 30 in rotation.
  • the cleaning element 12 which engages in the thread of the threaded spindle 3 and thereby forms a second contact surface, is thereby displaced in a translational movement in the axial direction.
  • the cleaning element 12 takes with it the aforementioned condensed accompanying substances. These are then pushed into the condensate collection chamber 46 at the other end of the heat exchanger, provided the lock device 40 is in collection position.
  • the lock head member 44 can be rotated about the axis 102, preferably 180 °, so that the condensate collecting chamber 46 and the condensate collecting chamber 46 Condensate extraction opening 50 of the condensate drain opening 48 are facing and the lock device 40 is thus present in the drainage position.
  • the lock device 40 at all times seals the interior 2a of the cylinder tube from the condensate discharge opening 48.
  • the lock device 40 further comprises a flushing recess 54, via which a flushing fluid can be introduced into the condensate collection chamber 46 in order to flush out condensate located in the condensate collection chamber 46 reliably.
  • the flushing recess 54 is formed as a channel and / or a bore.
  • the lock head element 46 has a drip edge 56 in order to allow reliable draining or draining of the condensate and / or the rinsing fluid in the release position.
  • the transfer of the lock device 40 from the collection position to the release position can be done manually and / or automatically. For example, in predetermined time intervals and / or after each cleaning cycle with the cleaning element 12, a discharge of the condensate with the lock device 40 done.
  • the draining can preferably be assisted by the use of a flushing fluid which can be introduced through the flushing recess 54.
  • the temperature of the flushing fluid may be, for example, between 90 K and 400 K, preferably between 233 K and 373 K. According to a particularly advantageous embodiment, the flushing fluid has a higher temperature than the melting point of the condensate.
  • the flushing recess 54 may be configured as a cylindrical bore and preferably have a diameter of at least 2 mm and at most 10 mm, particularly preferably from 3 mm to 6 mm. According to the embodiment shown, the flushing recess 54 is formed tangentially to the condensate collecting chamber 46, although other embodiments may be advantageous.
  • the heat exchanger 13 explained here can be adapted and used not only for natural gas liquefaction but also for a large number of industrial applications with appropriate working media.
  • the cleaning device 10 and / or the cleaning element 12 and / or the condensate extraction device 38 can be adapted as little complex replacement parts to the needs of the respective application areas and quickly replaced in the event of damage.
  • FIGS. 2A to 2C show cross-sectional views of various preferred embodiments of lock head elements 44.
  • the in FIG. 2A Lock head element 44 shown largely corresponds to that in the heat exchanger of FIG. 1 However, it differs from the latter shown in that the in FIG. 2A Locking head element 44 has two flushing recesses 54, via which flushing fluid can be introduced into the condensate collecting chamber 46.
  • a different number of purge recesses 54 may be provided, such as up to ten purge recesses 54.
  • Sheath head element 44 shown showed a further preferred embodiment, in which a rear wall 46a of the condensate collecting chamber 46 is not rectilinear but curved.
  • the rear wall 46a has a circular segment-shaped curvature, wherein the radius of curvature is greater than the diameter or the width 46b of the condensate collecting chamber 46.
  • the radius of curvature of the rear wall 46a is at least twice and at most 20 times as large as the width 46b of the condensate collecting chamber 46.
  • a purging recess 54 is preferably arranged centrally in the rear wall, wherein a plurality of purging recesses 54 may be formed according to other embodiments. Such an arrangement may be advantageous for reliably draining the condensate from the condensate collection chamber 46.
  • Figure 2C shows a lock head element 44 according to another preferred embodiment, which has three Spgaus Principleungen 54, which are interconnected via a manifold assembly 54a.
  • This allows the easy provision of flushing fluid over several Spgaus Principlelessness 54, for example, to achieve a uniform flushing of the condensate collecting chamber 46, although the flushing fluid must be introduced only via an opening or bore in the manifold assembly 54a.
  • the distributor arrangement 54a may have a centrally arranged bore, via which the flushing fluid can be introduced from outside.
  • the manifold assembly may also include a different number of scavenging recesses 54 branching therefrom, such as up to ten scavenging recesses 54.
  • the branches leading to the scavenging recesses 54 may each enclose an angle of at least 10 ° and at most 135 ° .
  • the adjacent Spgausnaturalept 54 closes the adjacent Spgausnaturalept 54 preferably at an angle of about 60 ° to each other, that of the arranged around the middle Spgausnaturalung (quasi mirrored) Spgausnaturalept 54 is about 120 °.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Float Valves (AREA)
EP18020197.2A 2018-05-09 2018-05-09 Dispositif d'extraction du condensat et échangeur thermique Withdrawn EP3567329A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP18020197.2A EP3567329A1 (fr) 2018-05-09 2018-05-09 Dispositif d'extraction du condensat et échangeur thermique
EP19722794.5A EP3791125B1 (fr) 2018-05-09 2019-05-02 Dispositif d'extraction du condensat et échangeur thermique
PCT/EP2019/025134 WO2019214849A1 (fr) 2018-05-09 2019-05-02 Dispositif d'extraction de condensat et échangeur de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18020197.2A EP3567329A1 (fr) 2018-05-09 2018-05-09 Dispositif d'extraction du condensat et échangeur thermique

Publications (1)

Publication Number Publication Date
EP3567329A1 true EP3567329A1 (fr) 2019-11-13

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP18020197.2A Withdrawn EP3567329A1 (fr) 2018-05-09 2018-05-09 Dispositif d'extraction du condensat et échangeur thermique
EP19722794.5A Active EP3791125B1 (fr) 2018-05-09 2019-05-02 Dispositif d'extraction du condensat et échangeur thermique

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19722794.5A Active EP3791125B1 (fr) 2018-05-09 2019-05-02 Dispositif d'extraction du condensat et échangeur thermique

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EP (2) EP3567329A1 (fr)
WO (1) WO2019214849A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024538243A (ja) 2021-10-25 2024-10-18 チャート・エナジー・アンド・ケミカルズ，インコーポレーテッド 液体窒素を使用するガス精製・液化システムおよび方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789919A (en) * 1971-10-18 1974-02-05 Ecodyne Corp Steam condenser construction
GB2119073A (en) * 1982-04-16 1983-11-09 Steinecker Maschf Gmbh Heat exchanger having a set of pipes
FR2804203A1 (fr) * 2000-01-20 2001-07-27 Baelz Gmbh Helmut Systeme de transmission de chaleur a degazage du condensat
EP1797969A1 (fr) * 2005-12-16 2007-06-20 Siemens Aktiengesellschaft Méthode et dispositif pour le nettoyage de portions d'une centrale électrique par soufflage d'un médium ainsi que appareil de mesure du degré de pureté du médium
WO2008110834A1 (fr) * 2007-03-09 2008-09-18 Edc Uk Limited Appareil et procédé de pyrolyse de déchets organiques
DE202015000066U1 (de) * 2015-01-13 2015-05-11 ZLT Lüftungs- und Brandschutztechnik GmbH Abluftwärmenutzungsgerät
EP2924384A1 (fr) * 2014-03-24 2015-09-30 Siemens VAI Metals Technologies GmbH Échangeur de chaleur à contre-courant avec guidage forcé du gaz/de l'air
WO2017025173A1 (fr) * 2015-08-11 2017-02-16 Linde Aktiengesellschaft Échangeur de chaleur

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789919A (en) * 1971-10-18 1974-02-05 Ecodyne Corp Steam condenser construction
GB2119073A (en) * 1982-04-16 1983-11-09 Steinecker Maschf Gmbh Heat exchanger having a set of pipes
FR2804203A1 (fr) * 2000-01-20 2001-07-27 Baelz Gmbh Helmut Systeme de transmission de chaleur a degazage du condensat
EP1797969A1 (fr) * 2005-12-16 2007-06-20 Siemens Aktiengesellschaft Méthode et dispositif pour le nettoyage de portions d'une centrale électrique par soufflage d'un médium ainsi que appareil de mesure du degré de pureté du médium
WO2008110834A1 (fr) * 2007-03-09 2008-09-18 Edc Uk Limited Appareil et procédé de pyrolyse de déchets organiques
EP2924384A1 (fr) * 2014-03-24 2015-09-30 Siemens VAI Metals Technologies GmbH Échangeur de chaleur à contre-courant avec guidage forcé du gaz/de l'air
DE202015000066U1 (de) * 2015-01-13 2015-05-11 ZLT Lüftungs- und Brandschutztechnik GmbH Abluftwärmenutzungsgerät
WO2017025173A1 (fr) * 2015-08-11 2017-02-16 Linde Aktiengesellschaft Échangeur de chaleur
DE102015010455A1 (de) 2015-08-11 2017-02-16 Linde Aktiengesellschaft Wärmetauscher

Also Published As

Publication number Publication date
EP3791125A1 (fr) 2021-03-17
EP3791125C0 (fr) 2023-10-25
WO2019214849A8 (fr) 2020-04-02
WO2019214849A1 (fr) 2019-11-14
EP3791125B1 (fr) 2023-10-25

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