US20110290460A1 - Multipass tubular heat exchanger and associated pass partition plate, channel cover, and methods - Google Patents

Multipass tubular heat exchanger and associated pass partition plate, channel cover, and methods Download PDF

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Publication number
US20110290460A1
US20110290460A1 US12/789,779 US78977910A US2011290460A1 US 20110290460 A1 US20110290460 A1 US 20110290460A1 US 78977910 A US78977910 A US 78977910A US 2011290460 A1 US2011290460 A1 US 2011290460A1
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US
United States
Prior art keywords
tubesheet
tubes
partition plate
heat exchanger
groove
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.)
Abandoned
Application number
US12/789,779
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English (en)
Inventor
Jaan Taagepera
Les Jackowski
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.)
Chevron USA Inc
Original Assignee
Chevron USA Inc
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 Chevron USA Inc filed Critical Chevron USA Inc
Priority to US12/789,779 priority Critical patent/US20110290460A1/en
Assigned to CHEVRON U.S.A. INC. reassignment CHEVRON U.S.A. INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TAAGEPERA, JAAN, JACKOWSKI, LES
Priority to KR1020127033987A priority patent/KR20130122537A/ko
Priority to PCT/US2011/034294 priority patent/WO2011149617A2/en
Priority to EP11787076.6A priority patent/EP2577207A4/en
Priority to JP2013504025A priority patent/JP5563715B2/ja
Priority to CA2800872A priority patent/CA2800872A1/en
Publication of US20110290460A1 publication Critical patent/US20110290460A1/en
Abandoned 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
    • F28D7/06—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 having a single U-bend
    • 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
    • F28D7/16—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 in parallel spaced relation
    • F28D7/163—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
    • F28D7/1638—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing with particular pattern of flow or the heat exchange medium flowing inside the conduits assemblies, e.g. change of flow direction from one conduit assembly to another one
    • F28D7/1646—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 in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing with particular pattern of flow or the heat exchange medium flowing inside the conduits assemblies, e.g. change of flow direction from one conduit assembly to another one with particular pattern of flow of the heat exchange medium flowing outside the conduit assemblies, e.g. change of flow direction
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • 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
    • F28F9/0202—Header boxes having their inner space divided by partitions
    • 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
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F28F2225/08—Reinforcing means for header boxes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2230/00—Sealing means

Definitions

  • the present disclosure relates generally to multipass tubular heat exchangers, more particularly to multipass tubular heat exchangers having tubesheets and pass partition plates.
  • Multipass tubular heat exchangers which exchange heat from one fluid to another without mixing the fluids are widely used in a variety of sizes, configurations and applications.
  • Heat is exchanged by flowing a first heat exchange fluid referred to as the tubeside fluid within a plurality of tubes surrounded by a second heat exchange fluid.
  • the tubeside fluid traverses the length of the tubes multiple times.
  • a cover enclosing a space in fluid communication with the tubes, which is commonly referred to by a variety of terms such as a channel, bonnet, header box, or head, depending on the particular type of heat exchanger and application.
  • a planar tubesheet with holes for receiving the ends of the tubes.
  • a pass partition plate is typically provided within the enclosed space(s).
  • the plate is welded within the cover, and the cover with the plate is structurally secured to the rest of the heat exchanger so that the plate is held firmly against the tubesheet.
  • a gasket is typically included between the plate and the tubesheet, creating a seal so that tubeside fluid cannot bypass the tubes. In other words, fluid entering an inlet side of the enclosed space is directed through the tubes before flowing into an outlet side of the enclosed space.
  • the fluid pressure on the inlet side exceeds the pressure on the outlet side.
  • This differential pressure also referred to as the interpass pressure
  • the interpass pressure generally increases over time as fouling or tube plugging occurs. On occasion this pressure is sufficient to cause the plate to deform and to break contact with the tubesheet. This can have several detrimental effects. For one, once contact between the partition plate and the tube sheet is broken, the tubeside fluid is permitted to bypass the tubes, thus decreasing the flow and the amount of heat exchange accomplished by the exchanger.
  • a plurality of tubes configured to contain a tubeside fluid, the plurality of tubes having at least one set of terminal ends;
  • a planar tubesheet comprising apertures for receiving the ends of the tubes and a groove for receiving a pass partition plate, the groove having a length, a thickness, two endpoints and a midpoint;
  • a channel having a tubeside fluid inlet and a tubeside fluid outlet, the channel positioned adjacent the tubesheet such that the channel and tubesheet together define an internal space in fluid communication with the tubes;
  • the groove of the tubesheet and the mating edge of the pass partition plate each have a radius of curvature about an axis extending generally perpendicular to the tubesheet such that the midpoint of the groove is a greater distance from a straight line passing through the endpoints of the groove than the thickness of the groove.
  • a plurality of tubes configured to contain a tubeside fluid, the plurality of tubes having at least one set of terminal ends;
  • a planar tubesheet comprising a plurality of apertures for receiving the ends of the tubes
  • a channel having a tubeside fluid inlet and a tubeside fluid outlet, the channel positioned adjacent the tubesheet such that the channel and tubesheet together define an internal space in fluid communication with the tubes;
  • a nonplanar pass partition plate positioned in the internal space configured to divide the internal space into an inlet space in fluid communication with the tubeside fluid inlet and an outlet space in fluid communication with the tubeside fluid outlet, thereby to prevent direct fluid communication between the tubeside fluid inlet and the tubeside fluid outlet and to direct fluid flow through the tubes;
  • the pass partition plate has an edge which is fixed to the tubesheet, the edge having a radius of curvature about an axis extending generally perpendicular to the tubesheet.
  • a planar tubesheet comprising apertures for receiving ends of heat exchanger tubes and a groove for receiving a pass partition plate, the groove having a length, a thickness, two endpoints and a midpoint;
  • the groove of the tubesheet and the mating edge of the pass partition plate each have a radius of curvature about an axis extending generally perpendicular to the tubesheet such that the midpoint of the groove is a greater distance from a straight line passing through the endpoints of the groove than the thickness of the groove.
  • a semi-enclosed channel having a planar open end and configured to define an internal space when the open end is positioned adjacent a planar tubesheet;
  • nonplanar pass partition plate having peripheral edges fixed within the channel and a free edge in the plane of the open end wherein the free edge has a radius of curvature about an axis extending generally perpendicular to the plane of the open end.
  • Another embodiment of the invention relates to a method of retrofitting a multipass tubular heat exchanger having an existing tubesheet and an existing pass partition plate, comprising:
  • planar tubesheet comprising a plurality of apertures for receiving ends of heat exchanger tubes and a groove for receiving a pass partition plate
  • groove of the tubesheet and the mating edge of the pass partition plate each have a radius of curvature about an axis extending generally perpendicular to the tubesheet.
  • Another embodiment of the invention relates to a method of exchanging heat between a tubeside fluid flowing through a plurality of tubes in a multipass tubular heat exchanger and a fluid surrounding the plurality of tubes, comprising:
  • a tubeside fluid into an internal space defined by a channel and a planar tubesheet having a plurality of apertures, the internal space being in fluid communication with a plurality of tubes having a plurality of a tubeside fluid inlet ends aligned with a first portion of the plurality of apertures of the tubesheet and a plurality of tubeside fluid outlet ends aligned with a second portion of the plurality of apertures of the tubesheet;
  • tubeside fluid exiting the tubes is separated from the tubeside fluid entering the tubes by a nonplanar pass partition plate dividing the internal space having an edge in contact with the tubesheet which has a radius of curvature about an axis perpendicular to the tubesheet;
  • FIG. 1 is a perspective view of a heat exchanger according to the prior art.
  • FIG. 2 is an end view of a tubesheet for use in a heat exchanger according to one embodiment of the invention.
  • FIG. 2A is a section view partially illustrating the tubesheet of FIG. 2 , as seen along line 2 A- 2 A.
  • FIG. 3 is a perspective view of a combination of a matching pass partition plate and tubesheet according to one embodiment of the invention.
  • FIG. 4A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 4B-4D are diagrammatic end views of tubesheets for use in heat exchangers according to alternative embodiments of the invention.
  • FIG. 5A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 5B-5D are diagrammatic end views of tubesheets for use in heat exchangers according to additional alternative embodiments of the invention.
  • FIG. 6A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 6B-6D are diagrammatic end views of tubesheets for use in heat exchangers according to additional alternative embodiments of the invention.
  • FIG. 7A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 7B-7D are diagrammatic end views of tubesheets for use in heat exchangers according to additional alternative embodiments of the invention.
  • FIG. 8A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 8B-8D are diagrammatic end views of tubesheets for use in heat exchangers according to additional alternative embodiments of the invention.
  • FIG. 9A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 9B-9D are diagrammatic end views of tubesheets for use in heat exchangers according to additional alternative embodiments of the invention.
  • FIG. 10A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 10B-10D are diagrammatic end views of tubesheets for use in heat exchangers according to additional alternative embodiments of the invention.
  • FIG. 11A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 11B-11D are diagrammatic end views of tubesheets for use in heat exchangers according to additional alternative embodiments of the invention.
  • FIG. 12A is a diagrammatic end view of a tubesheet for use in heat exchangers according to the prior art
  • FIGS. 12B-12D are diagrammatic end views of tubesheets for use in heat exchangers according to additional alternative embodiments of the invention.
  • FIG. 1 illustrates a multipass tubular heat exchanger 10 according to the prior art.
  • the heat exchanger includes a plurality of tubes 4 for containing a heat exchange fluid referred to as a tubeside fluid.
  • the plurality of tubes 4 has at least one set of coplanar terminal ends.
  • the tubes of the heat exchanger can be U-shaped tubes, also referred to as U tubes, as illustrated in FIG. 1 , having all terminal ends, i.e., both the tubeside fluid inlet and outlet ends, in a single plane.
  • a heat exchanger utilizing U tubes is referred to herein as a U tube heat exchanger.
  • the tubes may be straight, having inlet ends and outlet ends at opposite ends of the tubes.
  • a heat exchanger utilizing straight tubes is referred to herein as a straight tube heat exchanger.
  • At one or both ends of the plurality of tubes is an internal space in fluid communication with the tubes defined by a semi-enclosed cover and a tubesheet.
  • the semi-enclosed cover is commonly referred to by a variety of terms such as channel, channel cover, bonnet, header box, head and floating head, depending on the particular type of heat exchanger and application.
  • channel is used to refer to the semi-enclosed cover regardless of the specific type of heat exchanger.
  • a U tube heat exchanger has a channel 8 at one end of the plurality of tubes, as shown in FIG. 1 .
  • the channel includes a tubeside fluid inlet 8 A and a tubeside fluid outlet 8 B.
  • a straight tube heat exchanger has a channel at each end of the plurality of tubes (not shown). Regardless of whether the heat exchanger utilizes U tubes or straight tubes, the ends of the tubes are received by apertures 5 A in a planar tubesheet 5 located adjacent the channel between the channel and the plurality of tubes. The ends of the tubes are sealed to the tubesheet 5 .
  • the tubes may be supported by cross-flow baffles 13 .
  • a tubeside fluid In a tubular heat exchanger, heat is exchanged by flowing a tubeside fluid within tubes in a plurality of tubes surrounded by a second heat exchange fluid.
  • the tubeside fluid traverses the length of the tubes multiple times.
  • the pass partition plate has a mating edge 1 A which fits into groove 5 B of the tubesheet 5 . This groove is typically 3-8 mm deep. Alloy or carbon steel is typically used as the material for the channel, the pass partition plate and the tubesheet.
  • the pass partition plate divides the internal space within the channel into at least an inlet space in fluid communication with the tubeside fluid inlet and outlet space in fluid communication with the tubeside fluid outlet.
  • the groove of the tubesheet and the mating edge of the pass partition plate each have a radius of curvature.
  • FIG. 2 illustrates a tubesheet 6 for use in a heat exchanger according to one embodiment of the invention. Apertures 6 A are provided for receiving the ends of heat exchanger tubes. At least one groove 6 B is provided for receiving the edge of the pass partition plate. Unlike the prior art groove(s) which are in the form of straight lines, the groove according to the invention has a radius of curvature. Referring to FIG. 2 , the distance 16 between the midpoint of groove 6 B and an imaginary line 14 between the endpoints of groove 6 B is greater than the thickness of groove 6 B.
  • Distance 16 may be greater than the length of line 14 divided by 100, even greater than the length of line 14 divided by 50.
  • the desired amount of curvature and the direction of the curvature i.e. in the direction of the tubeside fluid inlet or the direction of the tubeside fluid outlet, will vary depending on the particular mechanical design considerations and process design considerations for the intended application. Relevant design considerations may include the particular materials for use in the pass partition plate, channel and tubesheet, the particular heat exchange fluids being used, the use of pulsating fluid, operating temperature and pressure, and two-phase phenomena such as boiling and condensing. As illustrated in FIG.
  • the radius of curvature of the both the groove and pass partition plate is defined about an axis that extends generally perpendicular to the tubesheet, i.e., the radius of curvature is defined by the profile of the groove and plate when viewed in a direction perpendicular to the plane of the tubesheet.
  • a matching tubesheet and pass partition plate are provided, collectively denoted by reference numeral 20 in FIG. 3 .
  • Pass partition plate 2 has a radius of curvature along its mating edge 2 A to correspond to the radius of curvature of the groove 6 B, therefore the pass partition plate is nonplanar.
  • the thickness of the pass partition plate will vary according to the particular design considerations of the intended application. In some cases, the pass partition plate and the groove can be curved to be convex when viewed from the direction of the tubeside fluid inlet, i.e., so that a positive differential pressure tends to flatten the pass partition plate.
  • the pass partition plate and the groove can be curved to be concave when viewed from the direction of the tubeside fluid inlet, i.e., so that a positive differential pressure tends to bend the pass partition plate to a greater curvature.
  • a convexly or concavely curved pass partition plate can provide more stiffness compared to a flat pass partition plate of otherwise similar dimensions.
  • the plate has a radius of curvature and is therefore able to withstand greater differential pressure, a thinner plate may be possible than conventional flat plates.
  • greater differential pressures can be tolerated during operation than using conventional flat plates.
  • a gasket 22 is typically positioned immediately adjacent and between the channel and the tubesheet 6 .
  • the gasket may include a rib portion which acts as a gasket between the pass partition plate 2 and the groove 6 B of the tubesheet, also referred to as a pass partition gasket.
  • the material used for the gasket and the rib can be any suitable material for the application such as, but not limited to, metal, paper board, composite material, elastomeric material, and the like.
  • Multipass tubular heat exchangers which exchange heat from one fluid to another without mixing the fluids are widely used in a variety of sizes, configurations and applications.
  • Heat exchangers utilizing the features of the embodiments disclosed herein are not limited in these regards and are likewise useful in a wide variety of sizes, configurations and applications.
  • the heat exchanger is a shell and tube heat exchanger.
  • FIG. 1 illustrates a typical shell and tube heat exchanger wherein the tubes are housed within a shell 12 for containing a shell fluid, the shell having a shell fluid inlet 12 A and a shell fluid outlet 12 B.
  • the tubesheet 6 is secured to one end of the shell 12 .
  • the heat exchanger is an air cooled heat exchanger which does not include a shell, in which heat is exchanged between the tube fluid within the tubes and air moving over the tubes.
  • the pass partition plate is fixed within the channel cover and also fixed to the tubesheet rather than fitted into a groove as described above.
  • the plate may be fixed to the tubesheet via welding or may be otherwise formed integrally with the tubesheet.
  • the heat exchanger may have a floating tubesheet and floating head, as are known to those of ordinary skill in the art.
  • FIGS. 4-12 illustrate nonlimiting examples of additional shapes (end view profiles) of pass partition plate which may be used to partition the channel, according to the prior art as well as to the present invention.
  • the “A” view illustrates the end view profile of the pass partition plate(s) known in the prior art.
  • the “B” through “D” views illustrate nonlimiting examples of various end view profiles of pass partition plates according to the present invention, in which curvature has been introduced to the corresponding prior art profile.
  • multiple pass partition plates and multiple grooves may be present in a given tubesheet. Many passes of tubeside fluid through the multipass tubular heat exchanger are possible according to the present disclosure.
  • a method for exchanging heat between a tubeside fluid and a fluid surrounding the heat exchanger tubes.
  • Tubeside fluid is introduced into the internal space defined by the channel and planar tubesheet and flows through a portion of the apertures in the tubesheet and through the corresponding tubes.
  • the tubeside fluid exits through a second portion of the apertures in the tubesheet back into the internal space.
  • the tubeside fluid exiting the tubes is separated from the tubeside fluid entering the tubes by the nonplanar pass partition plate dividing the internal space having an edge in contact with the tubesheet which has a radius of curvature about an axis perpendicular to the tubesheet.
  • the method can be run with high differential pressure or multipass pressure, and no bypassing of tubeside fluid occurs around the pass partition plate.
  • a method for retrofitting an existing multipass tubular heat exchanger. This method is particularly appropriate to repair heat exchangers in which the pass partition plate has already been damaged by high differential pressure use, or to make a conventional heat exchanger suitable for high differential pressure use.
  • the existing tubesheet and existing pass partition plate are removed from the heat exchanger and replaced with a curved pass partition plate as described herein and corresponding tubesheet.
  • the curved pass partition plate and corresponding tubesheet are provided as a matched set.
  • a semi-enclosed channel cover is conveniently provided in which the nonplanar pass partition plate is fixed within the channel and the free edge of the pass partition plate is curved.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
US12/789,779 2010-05-28 2010-05-28 Multipass tubular heat exchanger and associated pass partition plate, channel cover, and methods Abandoned US20110290460A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US12/789,779 US20110290460A1 (en) 2010-05-28 2010-05-28 Multipass tubular heat exchanger and associated pass partition plate, channel cover, and methods
KR1020127033987A KR20130122537A (ko) 2010-05-28 2011-04-28 다중 패스 관형 열교환기 및 연관된 패스 분할 판, 채널 커버, 및 방법
PCT/US2011/034294 WO2011149617A2 (en) 2010-05-28 2011-04-28 Multipass tubular heat exchanger and associated pass partition plate, channel cover, and methods
EP11787076.6A EP2577207A4 (en) 2010-05-28 2011-04-28 TUBE MULTIPASS HEAT EXCHANGER AND RELATED THROUGHPARTMENT PLATE, CHANNEL COVER AND METHOD THEREFOR
JP2013504025A JP5563715B2 (ja) 2010-05-28 2011-04-28 マルチパス管状熱交換器、並びに関連する通路仕切り板、チャネル・カバー及び方法
CA2800872A CA2800872A1 (en) 2010-05-28 2011-04-28 Multipass tubular heat exchanger and associated pass partition plate, channel cover, and methods

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/789,779 US20110290460A1 (en) 2010-05-28 2010-05-28 Multipass tubular heat exchanger and associated pass partition plate, channel cover, and methods

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US20110290460A1 true US20110290460A1 (en) 2011-12-01

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US (1) US20110290460A1 (ja)
EP (1) EP2577207A4 (ja)
JP (1) JP5563715B2 (ja)
KR (1) KR20130122537A (ja)
CA (1) CA2800872A1 (ja)
WO (1) WO2011149617A2 (ja)

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CN112432521A (zh) * 2020-10-30 2021-03-02 新乡航空工业(集团)有限公司 一种抗压列管式热交换器结构
WO2022131523A1 (ko) * 2020-12-17 2022-06-23 삼성전자주식회사 열교환기 및 이를 포함하는 공기조화기
CN115554631A (zh) * 2022-09-23 2023-01-03 中国商用飞机有限责任公司 存储及喷洒装置和灭火飞机

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CN103528423B (zh) * 2012-07-06 2016-01-27 珠海格力电器股份有限公司 壳管式换热器用均流板、壳管式换热器及其均流方法
NO342528B1 (no) * 2016-01-29 2018-06-11 Sperre Coolers As System for varmeveksling
KR101995982B1 (ko) 2017-09-29 2019-10-01 정우이앤이 주식회사 액화천연가스 연료 선박용 기화기
CN109959275B (zh) * 2017-12-22 2023-03-28 考克利尔维修工程有限责任公司 换热器以及包括至少一个换热器系列的熔盐蒸汽生成器
KR102035920B1 (ko) * 2018-01-16 2019-10-23 인제대학교 산학협력단 쉘 앤드 튜브 타입 열교환기의 맥동유동방지장치

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EP2577207A2 (en) 2013-04-10
KR20130122537A (ko) 2013-11-07
JP2013524158A (ja) 2013-06-17
JP5563715B2 (ja) 2014-07-30
WO2011149617A2 (en) 2011-12-01
WO2011149617A3 (en) 2012-02-23
EP2577207A4 (en) 2015-01-14

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