EP4396513A1 - Échangeurs à noyau-coque à plaques formé et multi-passes - Google Patents

Échangeurs à noyau-coque à plaques formé et multi-passes

Info

Publication number
EP4396513A1
EP4396513A1 EP22865614.6A EP22865614A EP4396513A1 EP 4396513 A1 EP4396513 A1 EP 4396513A1 EP 22865614 A EP22865614 A EP 22865614A EP 4396513 A1 EP4396513 A1 EP 4396513A1
Authority
EP
European Patent Office
Prior art keywords
core
shell
fphe
heat exchanger
layers
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.)
Pending
Application number
EP22865614.6A
Other languages
German (de)
English (en)
Other versions
EP4396513A4 (fr
Inventor
Matthew C. Gentry
Wesley R. Qualls
Will T. JAMES
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.)
ConocoPhillips Co
Original Assignee
ConocoPhillips Co
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 ConocoPhillips Co filed Critical ConocoPhillips Co
Publication of EP4396513A1 publication Critical patent/EP4396513A1/fr
Publication of EP4396513A4 publication Critical patent/EP4396513A4/fr
Pending legal-status Critical Current

Links

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
    • 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
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
    • F25J1/0022—Hydrocarbons, e.g. natural gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
    • F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
    • F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
    • F25J1/0262—Details of the cold heat exchange system
    • 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
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
    • F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
    • F25J1/0257—Construction and layout of liquefaction equipments, e.g. valves, machines
    • F25J1/0262—Details of the cold heat exchange system
    • F25J1/0264—Arrangement of heat exchanger cores in parallel with different functions, e.g. different cooling streams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • 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
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
    • 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
    • F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing streams
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding
    • F28F2275/061—Fastening; Joining by welding by diffusion bonding

Definitions

  • the FPHE core(s) having a plurality of feed layers fluidly coupled with the inlet(s) and operable to receive an outlet stream or outlet streams of the second core-in-shell heat exchanger and a plurality of cooling layers operable to receive at least a portion of the third cooling fluid therein.
  • the plurality of feed layers has an outlet separated from the inlet by a fluid flow path.
  • the outlet(s) of at least one of the first core-in-shell heat exchanger, the second core-in-shell heat exchanger, the third core-in-shell heat exchanger, and/or one or more of a plurality of core-in-shell heat exchangers can be operably arranged to produce a liquefied gas stream.
  • the first cooling fluid, the second cooling fluid, and/or the third cooling fluid are at least of propane, propylene, methane, ethane, ethylene, a mixture of hydrocarbons, and/or any other common refrigerant or mixture of refrigerants.
  • the shell is formed from an iron-based alloy and the FPHE core is formed of an iron-based alloy, the FPHE core coupled directly with the shell.
  • the shell and/or the FPHE core can be formed of formed of stainless steel, titanium, Invar, and/or a nickel-iron alloy.
  • FIG. 1 illustrates an example simplified flow diagram of a cascade refrigeration process with a nitrogen rejection unit
  • FIG. 2 is a diagrammatic view of an example core-in-shell heat exchanger having at least one formed plate heat exchanger (FPHE) core;
  • FPHE plate heat exchanger
  • FIG. 3 is a diagrammatic view of an example core construction of an FPHE
  • FIG. 4A is a diagrammatic view of an example multi-pass FPHE core
  • FIG. 4B is a section view of an example multi-pass FPHE core taken along A-A of FIG. 4A;
  • FIG. 4C is an exploded diagrammatic view of an example FPHE core;
  • FIG. 5A is a simplified example of flow patterns that may be used in a heat exchanger core.
  • FIG. 5B provides another example flow pattern that may also be used in a heat exchanger core.
  • Indirect heat exchange refers to a process involving a cooler stream cooling a substance without actual physical contact between the cooler stream and the substance to be cooled.
  • Specific examples of indirect heat exchange include, but are not limited to, heat exchange undergone in a shell-and-tube heat exchanger and/or a core- in-shell heat exchanger.
  • the specific physical state of the refrigerant and substance to be cooled can vary depending on demands of the refrigeration system and type of heat exchanger chosen.
  • Indirect heat exchange can be implemented with gases, liquids, liquid/vapor mixtures and/or combinations thereof for heat transfer, evaporation, and/or condensation.
  • a feed stream and/or warm stream is a gas or liquid stream that is cooled in heat exchange
  • a cooling fluid and/or refrigerant is a gas or liquid stream that cools the warm or feed stream in heat exchange.
  • the terms “comprises,” “comprising,” “includes,” “including,” “has,” “having” or any other variation thereof, are intended to cover a non-exclusive inclusion.
  • a process, product, article, or apparatus that comprises a list of elements is not necessarily limited only those elements but can include other elements not expressly listed or inherent to such process, process, article, or apparatus.
  • “or” refers to an inclusive or and not to an exclusive or. For example, a condition A or B is satisfied by any one of the following: A is true (or present) and B is false (or not present), A is false (or not present) and B is true (or present), and both A and B are true (or present).
  • substantially is defined to be essentially conforming to the particular dimension, shape or other word that substantially modifies, such that the component need not be exact.
  • substantially cylindrical means that the object resembles a cylinder, but can have one or more deviations from a true cylinder.
  • any examples or illustrations given herein are not to be regarded in any way as restrictions on, limits to, or express definitions of, any term or terms with which they are utilized. Instead these examples or illustrations are to be regarded as being described with respect to one particular example and as illustrative only. Those of ordinary skill in the art will appreciate that any term or terms with which these examples or illustrations are utilized encompass other examples as well as implementations and adaptations thereof which can or cannot be given therewith or elsewhere in the specification and all such examples are intended to be included within the scope of that term orterms. Language designating such non-limiting examples and illustrations includes, but is not limited to: “for example,” “for instance,” “e.g.,” “In some examples,” and the like.
  • first”, “second”, etc. can be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present disclosure.
  • the systems and methods disclosed herein relate to an implementation of Formed Plate Heat Exchangers (FPHE) for core-in-shell applications, including a multi-pass FPHE, multiple PPHEs (Pillow Plate Heat Exchanger) and/or the like in a core-in-shell application.
  • FPHE Formed Plate Heat Exchangers
  • the LNG process may employ a cascade-type refrigeration process that uses a plurality of multi-stage cooling cycles, each employing a different refrigerant composition, to sequentially cool the natural gas stream to lower and lower temperatures.
  • a first refrigerant may be used to cool a first refrigeration cycle.
  • a second refrigerant may be used to cool a second refrigeration cycle.
  • a third refrigerant may be used to cool a third refrigeration cycle.
  • Each refrigeration cycle may include a closed cycle or an open cycle.
  • the terms “first”, “second”, and “third” refer to the relative position of a refrigeration cycle.
  • the first refrigeration cycle is positioned just upstream of the second refrigeration cycle while the second refrigeration cycle is positioned upstream of the third refrigeration cycle and so forth.
  • operation of the LNG facility 100 begins with the propane refrigeration cycle 30.
  • Propane is compressed in a multi-stage propane compressor 31 driven by, for example, a gas turbine driver (not illustrated).
  • the stages of compression may exist in a single unit or a plurality of separate units mechanically coupled to a single driver.
  • the propane is passed through a conduit 300 to a propane cooler 32 where the propane is cooled and liquefied through indirect heat exchange with an external fluid (such as, air or water).
  • a portion of the stream from the propane cooler 32 can then be passed through conduits 302 and 302A to a pressure reduction system 36A, for example, an expansion valve, as illustrated in FIG. 1.
  • a vaporized propane refrigerant stream exiting the high-stage propane chillers 33A and 33B is returned to a high-stage inlet port of the propane compressor 31 through a conduit 306.
  • An un-vaporized propane refrigerant stream exits the high-stage propane chiller 33B via a conduit 308 and is flashed via a pressure reduction system 43, illustrated, for example, in FIG. 1 as an expansion valve.
  • the liquid propane refrigerant in the high- stage propane chiller 33A provides refrigeration duty for the natural gas stream.
  • a two- phase refrigerant stream enters the intermediate-stage propane chiller 34 through a conduit 310, thereby providing coolant for the natural gas stream (in conduit 116) and the stream entering the intermediate-stage propane chiller 34 through a conduit 204.
  • the vaporized portion of the propane refrigerant exits the intermediate- stage propane chiller 34 through a conduit 312 and enters an intermediate-stage inlet port of the propane compressor 31.
  • the liquefied portion of the propane refrigerant exits the intermediatestage propane chiller 34 through a conduit 314 and is passed through a pressure-reduction system 44, for example an expansion valve, whereupon the pressure of the liquefied propane refrigerant is reduced to flash or vaporize a portion of the liquefied propane.
  • the resulting vapor-liquid refrigerant stream is routed to the low-stage propane chiller 35 through a conduit 316.
  • the ethylene refrigerant stream is at least partially condensed, or condensed in its entirety, through indirect heat exchange 46.
  • the resulting stream exits the low-stage propane chiller 35 through a conduit 208 and may be routed to a separator 47.
  • a vapor portion of the stream if present, is removed through a conduit 210, while a liquid portion of the ethylene refrigerant stream exits the separator 47 through a conduit 212.
  • the liquid portion of the ethylene refrigerant stream exiting the separator 47 may have a representative temperature and pressure of about -24°F (about -31 °C) and about 285 psia (about 1 ,965 kPa). However, other temperatures and pressures are contemplated.
  • the liquefied ethylene refrigerant stream in the conduit 212 enters an ethylene economizer 56, and the stream is further cooled by an indirect heat exchange 57 at the ethylene economizer 56.
  • the resulting cooled liquid ethylene stream is output into a conduit 214 and routed through a pressure reduction system 58, such as an expansion valve.
  • the pressure reduction system 58 reduces the pressure of the cooled predominantly liquid ethylene stream to flash or vaporize a portion of the stream.
  • the cooled, two-phase stream in a conduit 215 enters the high-stage ethylene chiller 53.
  • the high-stage ethylene chiller 53 At least a portion of the ethylene refrigerant stream vaporizes to further cool the stream in the conduit 120 entering an indirect heat exchange 59.
  • the vaporized and remaining liquefied ethylene refrigerant exits the high-stage ethylene chiller 53 through conduits 216 and 220, respectively.
  • the vaporized ethylene refrigerant in the conduit 216 may re-enter the ethylene economizer 56, and the ethylene economizer 56 warms the stream through an indirect heat exchange 60 prior to entering a high-stage inlet port of the ethylene compressor 51 through a conduit 218.
  • the resulting sub-cooled refrigerant stream exits the ethylene economizer 56 through a conduit 222 and passes a pressure reduction system 62, such as an expansion valve, whereupon the pressure of the refrigerant stream is reduced to vaporize or flash a portion of the refrigerant stream.
  • a pressure reduction system 62 such as an expansion valve
  • the resulting, cooled two- phase stream in a conduit 224 enters the low-stage ethylene chiller/condenser 55.
  • the liquid portion of the reduced-pressure stream exits the high-stage methane flash drum 82 through a conduit 142 and re-enters the main methane economizer 73.
  • the main methane economizer 73 cools the liquid stream through indirect heat exchange 74 of the main methane economizer 73.
  • the resulting cooled stream exits the main methane economizer 73 through a conduit 144 and is routed to a second expansion stage, illustrated as an example in FIG. 1 as intermediate-stage expansion valve 83 and/or expander.
  • the intermediate-stage expansion valve 83 further reduces the pressure of the cooled methane stream, which reduces a temperature of the stream by vaporizing or flashing a portion of the stream.
  • the resulting two-phase methane-rich stream output in a conduit 146 enters an intermediate-stage methane flash drum 84. Liquid and vapor portions of the stream are separated in the intermediate-stage methane flash drum 84 and output through conduits 148 and 150, respectively.
  • the vapor portion (also called the intermediate-stage flash gas) in the conduit 150 re-enters the main methane economizer 73, wherein the vapor portion is heated through an indirect heat exchange 77 of the main methane economizer 73.
  • the resulting warmed stream is routed through a conduit 154 to the intermediate-stage inlet port of methane compressor 71 .
  • a vapor stream exiting the low-stage methane flash drum 86 (also called the low- stage methane flash gas) in a conduit 160 is routed to the main methane economizer 73.
  • the main methane economizer 73 warms the low-stage methane flash gas through an indirect heat exchange 78 of the main methane economizer 73.
  • the resulting stream exits the main methane economizer 73 through a conduit 164.
  • the stream is then routed to a low-stage inlet port of the methane compressor 71.
  • the methane compressor 71 comprises one or more compression stages. In one implementation, the methane compressor 71 comprises three compression stages in a single module. In another implementation, one or more of the compression modules are separate but mechanically coupled to a common driver. Generally, one or more intercoolers (not shown) are provided between subsequent compression stages. [0048] As shown in FIG. 1 , a compressed methane refrigerant stream exiting the methane compressor 71 is discharged into a conduit 166. The compressed methane refrigerant is routed to the methane cooler 72, and the stream is cooled through indirect heat exchange with an external fluid (such as, air or water) in the methane cooler 72.
  • an external fluid such as, air or water
  • the resulting cooled methane refrigerant stream exits the methane cooler 72 through a conduit 112 and is directed to and further cooled in the propane refrigeration cycle 30.
  • the methane refrigerant stream Upon cooling in the propane refrigeration cycle 30 through a heat exchanger 37, the methane refrigerant stream is discharged into a conduit 130 and subsequently routed to the main methane economizer 73, and the stream is further cooled through indirect heat exchange 79.
  • the resulting sub-cooled stream exits the main methane economizer 73 through a conduit 168 and then combined with the stream in the conduit 122 exiting the high-stage ethylene chiller 53 prior to entering the low-stage ethylene chiller/condenser 55, as previously discussed.
  • nitrogen rejection units used in conjunction with a cascade LNG system as described above. Nitrogen is most efficiently removed from natural gas at cryogenic temperatures.
  • the nitrogen rejection unit as described herein can be integrated into one or more insulated elements of the above LNG system. In one implementation a plurality of streams can be run through the nitrogen rejection unit simultaneously.
  • FIG. 2 illustrates a core-in-shell heat exchanger having one or more cores implemented therein.
  • a core-in-shell heat exchanger 400 can be operably implemented in an LNG cascade process as described above with respect to FIG. 1 , including, but not limited to, a propane refrigeration cycle, an ethylene refrigeration cycle, a methane refrigeration cycle, and/or a nitrogen rejection unit.
  • the core-in-shell heat exchanger 400 can be implemented with gases, liquids, liquid/vapor mixtures, and/or combinations thereof for heat transfer, evaporation, and/or condensation.
  • the cooled gas is directed in from one side, turns down, and is directed out the bottom.
  • the bath of refrigerant acts as a thermosyphon pulling refrigerant from the bottom into the core, where it heats and boils out the top.
  • the cooled fluid or gas is then chilled both by the liquid refrigerant and the phase change from liquid to gas.
  • different heat exchange may have different size limitations for the core-in-shell heat exchangers. As such, the amount of material used and footprint of the heat exchanger is reduced in the presently disclosed technology.
  • the cores are constructed considering cost, shell size, and number of cores as a function of the amount of material being processed, including volume and rate.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un échangeur de chaleur à noyau-coque comprenant une enveloppe ayant une partie coque intérieure utilisable pour recevoir un fluide de refroidissement à l'intérieur de celle-ci et au moins un noyau d'échangeur à plaques formé (FPHE) disposé de manière fonctionnelle à l'intérieur de la partie coque intérieure. Le noyau FPHE comprend une entrée couplée à un courant d'alimentation, une pluralité de couches d'alimentation en communication fluidique avec l'entrée, et une pluralité de couches de refroidissement couplées de manière fluidique à la partie coque intérieure et pouvant servir à recevoir au moins une partie du fluide de refroidissement à l'intérieur de celle-ci.
EP22865614.6A 2021-09-02 2022-09-02 Échangeurs à noyau-coque à plaques formé et multi-passes Pending EP4396513A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202163240142P 2021-09-02 2021-09-02
PCT/US2022/042487 WO2023034583A1 (fr) 2021-09-02 2022-09-02 Échangeurs à noyau-coque à plaques formé et multi-passes

Publications (2)

Publication Number Publication Date
EP4396513A1 true EP4396513A1 (fr) 2024-07-10
EP4396513A4 EP4396513A4 (fr) 2025-07-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP22865614.6A Pending EP4396513A4 (fr) 2021-09-02 2022-09-02 Échangeurs à noyau-coque à plaques formé et multi-passes

Country Status (5)

Country Link
EP (1) EP4396513A4 (fr)
AU (1) AU2022339868A1 (fr)
CA (1) CA3229821A1 (fr)
MX (1) MX2024002693A (fr)
WO (1) WO2023034583A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3323568B2 (ja) 1993-01-11 2002-09-09 株式会社神戸製鋼所 プレートフィン熱交換器内蔵型の多段サーモサイホン
US7310971B2 (en) 2004-10-25 2007-12-25 Conocophillips Company LNG system employing optimized heat exchangers to provide liquid reflux stream
US20020166656A1 (en) * 2001-05-09 2002-11-14 Howard Lee Jarvis Heat exchanger column
US7266976B2 (en) * 2004-10-25 2007-09-11 Conocophillips Company Vertical heat exchanger configuration for LNG facility
US20130153172A1 (en) * 2011-12-20 2013-06-20 Conocophillips Company Method and apparatus for reducing the impact of motion in a core-in-shell heat exchanger
EP3114421B1 (fr) * 2014-03-04 2019-05-29 ConocoPhillips Company Échangeur de chaleur pour une installation de gaz naturel liquéfié
US11624565B2 (en) * 2018-05-25 2023-04-11 Hangzhou Sanhua Research Institute Co., Ltd. Header box and heat exchanger
US20210048257A1 (en) * 2019-08-14 2021-02-18 Honeywell International Inc. Heat exchanger
US11300359B2 (en) * 2019-12-30 2022-04-12 Westinghouse Electric Company Llc Block style heat exchanger for heat pipe reactor
JP7439354B2 (ja) 2020-02-21 2024-02-28 株式会社神戸製鋼所 冷却装置

Also Published As

Publication number Publication date
MX2024002693A (es) 2024-03-20
EP4396513A4 (fr) 2025-07-30
CA3229821A1 (fr) 2023-03-09
AU2022339868A1 (en) 2024-03-07
WO2023034583A1 (fr) 2023-03-09

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