US3841271A - Heat exchanger having a plurality of modular tube bundles - Google Patents

Heat exchanger having a plurality of modular tube bundles Download PDF

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Publication number
US3841271A
US3841271A US00120423A US12042371A US3841271A US 3841271 A US3841271 A US 3841271A US 00120423 A US00120423 A US 00120423A US 12042371 A US12042371 A US 12042371A US 3841271 A US3841271 A US 3841271A
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US
United States
Prior art keywords
vessel
primary
tube bundle
heat exchanger
disposed
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.)
Expired - Lifetime
Application number
US00120423A
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English (en)
Inventor
W Harris
A Massaro
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Priority to US00120423A priority Critical patent/US3841271A/en
Priority to GB1430371A priority patent/GB1331134A/en
Priority to CA132,115A priority patent/CA1022153A/en
Priority to DE19722209119 priority patent/DE2209119A1/de
Priority to CH293872A priority patent/CH538657A/de
Priority to AT172772A priority patent/AT317947B/de
Priority to IT21310/72A priority patent/IT949803B/it
Priority to JP47021137A priority patent/JPS5218416B1/ja
Priority to BE780075A priority patent/BE780075A/xx
Priority to FR7207249A priority patent/FR2128534B1/fr
Application granted granted Critical
Publication of US3841271A publication Critical patent/US3841271A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/06—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium
    • F22B1/063—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being molten; Use of molten metal, e.g. zinc, as heat transfer medium for metal cooled nuclear reactors
    • 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
    • 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
    • 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
    • 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
    • F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
    • F28F2009/226—Transversal 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
    • F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/12—Safety or protection arrangements; Arrangements for preventing malfunction for preventing overpressure

Definitions

  • This invention relates to heat exchange apparatus for converting water to vapor or heating vapor to a higher temperature, and more particularly to a heat exchanger of this type having modular separately enclosed J- shaped tube bundles.
  • the demand for electrical power in the United States doubles approximately every ten years.
  • fossil fuels provide the majority of the heat energy for producing the needed electrical power.
  • a heat exchanger for transferring heat from a primary to a secondary fluid made in accordance with this invention comprises a plurality of tube bundles having a channel head at each end thereof.
  • the tubes are preferably of J-shape with a long stem portion, a short stem portion and a transverse bent portion joining the stem portions; a secondary fluid port in each head of each tube bundle so disposed that the secondary fluid flows through the tubes of each tube bundle; a separate tubular shell portion for the long stem of each J-shaped tube bundle; a primary fluid port disposed in each of the long stem shell portions; a main vessel having a primary fluid port therein; the lower portions of the tube bundles being disposed in the main vessel; and the tubular shells enwrapping the long stem portion of the tube bundles and being in communication with the main vessel so that primary fluid flows along the outer surface of the tubes forming the long stem portion of the J-shaped tube bundle, when flowing between the primary port in the primay port in the shell portion of the long stem
  • FIG. 1 is an elevational view of a heat exchanger made in accordance with this invention
  • FIG. 2 is a plan of the heat exchanger
  • FIG. 3 is an enlarged vertical sectional view of the heat exchanger taken on line III-III of FIG. 2;
  • FIG. 4 is an enlarged cross sectional view taken on line lV-IV of FIG. 3, and showing a single module.
  • FIGS. 1 through 4 show an evaporator or a heat exchanger for a liquid metal fast breeder nuclear reactor power plant (not shown).
  • the heat exchanger 1 is shown to comprise a plurality of (in this instance, three) modular J- shaped tube bundle units 2.
  • a typical modular J-shaped tube bundle unit 2 comprises a tube bundle 3 having a plurality of tubes 4.
  • the tube bundle 3 has a long stem portion 5 generally vertical, forming the major portion thereof, a generally vertical short stem portion 7 and a base, reverse bend, or arcuate portion 9 joining the generally parallel stem portions 5 and 7.
  • a channel head portion 11 and 13 At the free end of each stem portion 5 and 7 is a channel head portion 11 and 13, respectively.
  • the channel head portions 11 and 13 each have a tube sheet 15 and 17, respectively, which cooperate with the associated tube sheets to form head chambers 23 and 25.
  • Each channel head 11 and 13 has a centrally disposed port or nozzle 27 and 29, respectively, for secondary fluid, which may be either water or steam depending on whether the heat exchanger is utilized as an evaporator, a superheater or a reheater. Because of its flow characteristic, a heat exchanger made in accordance with this invention will serve equally well in any of the above capacities, the only changes necessary are sizing the various elements 'to correspond to the changes in heat transfer rates, flow rates, temperatures and pressures, which differ extensively for the different services herebefore mentioned.
  • the long stem 5 has a tubular shell portion 30 extending from adjacent the head portion 1 1 to a location above the lower tube bend 9.
  • a primary fluid or liquid sodium inlet port or nozzle 31 is disposed in the upper end of the shell 30 adjacent the channel head portion 11.
  • the tubular shell 30 has an enlarged cross sectional area adjacent the primary inlet port 31 as indicated at 33 to provide sufficient annular area for facilitating the turning of the incoming primary fluid.
  • a sleeve or shroud 35 is disposed in the shell 30 of the long stem portion 5 of the tube bundle 3.
  • the sleeve 35 extends from below the tube sheet 15 and above the primary inlet port 31 to a location adjacent the beginning of the bend 9 and below the lower end of the tubular shell 30.
  • the lower end of the tubular shell 30 and sleeve 35 are open.
  • a seal ring 36 is disposed between the tubular shell 30 and the sleeve 35 below the primary fluid inlet nozzle 31 and below the enlarged area 33 of the tubular shell 30.
  • the seal ring 36 substantially blocks the flow of primary fluid from flowing downwardly in the annular space 37 between the tubular shell 30 and the sleeve 35.
  • a plurality of vibration supports 39 are disposed between the shell 30 and sleeve 35 to center the sleeve 35 within the shell 30 and support the sleeve against vibration.
  • the tubes 4 are supported against vibration and spaced by a plurality of tube supports or flow bafat least minimized the damage to the tube bundle and shell, if such a reaction occurs.
  • the short stem portion 7 of the tube bundle 3 has a tubular shell portion 45 extending partially down the length thereof.
  • the lower ends of the shells 30 and 45 and the lower end of the tube bundle or arcuate portion 9 nest in a vessel 47.
  • the vessel 47 comprises a tubular wall portion 49, a bottom closure or head 51 and a flat upper head portion 53.
  • the head 51 has 9. depending primary fluid outlet port or nozzle 55 centrally disposed therein.
  • the vessel 47 is supported on a peripheral skirt 57, which forms a base for the entire apparatus 1.
  • the flat head 53 has a plurality of oblong openings 59, which receive the lower portion 9 of the tube bundle 3 and the lower portion of the tube bundle stems and 7 and the shells 30 and 45.
  • Covers 61 form closures forthe openings 59 and encompass the shells 30 and 45 of the stems 5 and 7, respectively.
  • the covers 61 are bolted and seal welded to the flat head portion 53 of the vessel 47 to form a positive seal and in such a manner that the tube bundles 3 can be easily and rapidly removed for inspection, repair and/or replacement.
  • the vessel 47 and modular J shaped tube bundle units 2 can be shipped separately and installed in the field, eliminating the need for special handling required, when such heat exchangers are shipped in one piece.
  • a rupture disc 63 is provided in the flat head portion 53 of the vessel 47 to relieve the pressure in the vessel in event of a reaction between the sodium and water.
  • a blanket of inert gas is provided as indicated at 65 and 66 below each tube sheet 15 and 17. Inert gas also blankets the flat head portion 53 of the vessel 47, as indicated at 67, to maintain the level of the liquid sodium, or primary fluid in the vessel 47 below the lower open end of the shell 45 of the short stern portion 7.
  • Perforated sheets 69 are disposed inside the vessel 47 between adjacent reverse bend portions 9 of the tube bundles to direct the primary fluid in downward direction and to stop a reaction between sodium and water from damaging adjacent tube bundles, if there is a malfunction in one tube bundle in the area not protected by a shell or sleeve portions.
  • the oblong covers 61 are so disposed relatively to the tubular shells 30 and 45 of the tube bundles and the vessel 47 that the modular tube bundle units 2 can be removed from the vessel by removing a seal weld 75 and bolts 77 which fasten the oblong cover to the flat heads 53.
  • the tube bundles 3 are, so disposed within the shells 30 and 45 that when the J-shaped modules are removed from the vessel 47 the tube bundles 3 may be easily removed from the shells 30 and 45.
  • the sleeves 35 enwrapping the long stem portions 5 of the tube bundles have a plurality of longitudinal seams 79 as shown in FIG. 4 so that they may be removed from the large stem portions to in spect the outer surfaces of the tubes 4.
  • the tube bundle units 2 and vessel 47 may be utilized as an evaporator, a stem superheater or a steam reheater in a liquid metal fast breeder nuclear reactor turbine generator power plant.
  • a heat exchanger having such modular tube bundle units advantageously can be manufactured with any number of modular units so that the tube length in each modular can be limited to to feet, which is the length which can be presently supplied from tube manufacturers without special facilities and without butt welding the tubes together to provide the required length.
  • Tube welds increase the danger of tube failure from sodium reacting with the tube material in the weld area and are therefore undesirable.
  • the modular J-shaped tube bundle units provide easy access to the tube sheets, and smaller diameter tube sheets which can be made thinner and manufactured to closer tolerances utilizing presently known shop procedures.
  • each modular may be inspected inside and out when the unit is fabricated and when it is overhauled.
  • the J- shaped design with the long radius reverse bends also provide free linear expansion of the tubes to occur in the main vessel 47 without undue stresses at the tube bends or the tube sheet welds.
  • heat exchangers made in accordance with this invention are well suited to operate as a superheater or a reheater, they function exceptionally well as a once through steam generator or evaporator as their thermal and hydraulic characteristicsprovide a very stable once through steam generator.
  • primary fluid liquid sodium
  • the primary fluid flows over the upper end of the sleeve 35 and down the inside of the sleeve passing over the outside surfaces of the tubes 4 forming the long stem portion 5 of the tube bundle 3.
  • the primary fluid then flows out the lower open end of the sleeve, over the reverse bends, and out the primary outlet port 55 centrally disposed in the lower closure 51 of the vessel 47, as indicated by the arrows with the solid shafts.
  • the primary fluid passes through the heat exchanger 1, it transfers its heat to the secondary fluid and becomes cooler and more dense exhancing natural circulation of the primary fluid through the heat exchanger.
  • the secondary fluid changes its state from water to steam and in the upper end of the long stem portion 5, the steam is superheated.
  • the flow of the secondary fluid is indicated by arrows having dotted shafts.
  • the J- shaped modular tube bundles thus provide for natural circulation of the secondary fluid flowing through the tubes and a counter flow relation between the primary and secondary fluid as the fluids flow through the long stem portion 5 of the modules.
  • the secondary fluid may then flow through another heat exchanger (not shown) having one or more J-shaped tube bundles, this other heat exchanger serving as a superheater.
  • this other heat exchanger serving as a superheater.
  • the steam preferably may enter the secondary fluid ports 29 in the short stern portion of ,the tube bundles and flow through the tubes to the secondary fluid ports 27 in the long stern portion of the tube bundles receiving heat from primary fluid, liquid sodium, flowing on the outside of the tubes of the tube bundles and through the vessel 47 in the same manner as herebefore described for the steam generator.
  • the steam flows through a high pressure turbine (not shown) and then it may flow through a reheat heater, very similar to the superheater with a flow path of primary and secondary fluid generally similar to the flow path of these fluids through the superheater.
  • heat exchangers hydraulic and thermal characteristics it is suited to be employed as an evaporator, a superheater or a reheater, thus providing reliable heat exchangers for a liquid metal fast breeder reactor, which are economical to produce, ship and erect and service in the field.
  • a heat exchanger for transferring heat from a primary to a secondary fluid, said heat exchanger comprising at least one tube bundle having a head at each end thereof, a long stem portion, and an arcuate portion extending from said long stem portion,
  • tubular shell being in communication with said vessel and arranged to permit flow of primary fluid along the outer surface of said tubes in the long stern portion of said tube bundle, when flow between said primary port in said vessel and said primary port in said shell portion is established.
  • a heat exchanger for transferring heat from a primary to a secondary fluid, said heat exchanger comprising a vessel having a primary port therein,
  • a secondary fluid port so disposed in each head to permit secondary fluid to flow through the tubes of said tube bundles
  • each tube bundle being disposed in said vessel
  • a primary fluid port being disposed in each tubular shell
  • tubular shells being in communication with said vessel and disposed to permit primary fluid to flow over the outer surface of said tubes in said major portion of said tube bundle when a flow between said primary ports in said shells and said primary ports in said vessel is established, and
  • said vessel having a plurality of openings for receiving the shells and tube bundles and closure means for forming a seal between the shells and the vessel.
  • a heat exchanger for transferring heat from a primary to a secondary fluid, said heat exchanger comprising a vessel having a primary port therein,
  • a secondary fluid port so disposed in each head to permit secondary fluid to flow through the tubes of said tube bundles
  • each tube bundle being disposed in said vessel
  • a primary fluid port being disposed in each tubular shell
  • tubular shells being in communication with said vessel and disposed to permit primary fluid to flow over the outer surface of said tubes in said major portion of said tube bundle when a flow between said primary ports in said shells and said primary ports in said vessel is established.
  • a heat exchanger for transferring heat from a primary to a secondary fluid comprising a vessel having a primary port therein,
  • a secondary fluid port so disposed in each head to permit secondary fluid to flow through the tubes of said tube bundles
  • each tube bundle having a reverse bend portion which is disposed in said vessel
  • a primary fluid port being disposed in each tubular shell
  • tubular shells being in communication with said vessel and disposed to permit primary fluid to flow over the outer surface of said tubes in said major portion of said tube bundle when a flow between said primary ports in said shells and said primary ports in said vessel is established.
  • a heat exchanger for transferring heat from a primary to a secondary fluid comprising a vessel having a primary port therein,
  • a secondary fluid port so disposed in each head to permit secondary fluid to flow through the tubes of said tube bundles
  • each tube bundle having a short portion and a reverse bend joining the short portion and the major portion said reverse bend being disposed in said vessel
  • a primary fluid port being disposed in each tubular shell, and said tubular shells being in communication with said vessel and disposed to permit primary fluid to flow over the outer surface of said tubes in said major portion of said tube bundle when a flow between said primary ports in said shells and said primary ports in said vessel is established.
  • 24. A heat exchanger as set forth in claim 23 wherein the major portion of each tube bundle extends in the vertical direction and the lower portion of each tube bundle is disposed in the vessel.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
US00120423A 1970-07-31 1971-03-03 Heat exchanger having a plurality of modular tube bundles Expired - Lifetime US3841271A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
US00120423A US3841271A (en) 1971-03-03 1971-03-03 Heat exchanger having a plurality of modular tube bundles
GB1430371A GB1331134A (en) 1970-07-31 1971-05-11 Heat exchanger having a plurality of modular tube bundles
CA132,115A CA1022153A (en) 1971-03-03 1972-01-11 Heat exchanger having a plurality of modular tube bundles
DE19722209119 DE2209119A1 (de) 1971-03-03 1972-02-26 Wärmetauscher
CH293872A CH538657A (de) 1971-03-03 1972-03-01 Wärmeaustauscher
AT172772A AT317947B (de) 1971-03-03 1972-03-02 Wärmetauscher
IT21310/72A IT949803B (it) 1971-03-03 1972-03-02 Scambiatore di calore avente una molteplicita di fasci tubieri modulari
JP47021137A JPS5218416B1 (enrdf_load_stackoverflow) 1971-03-03 1972-03-02
BE780075A BE780075A (fr) 1971-03-03 1972-03-02 Echangeur de chaleur pourvu de faisceaux modulaires de tubes
FR7207249A FR2128534B1 (enrdf_load_stackoverflow) 1971-03-03 1972-03-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00120423A US3841271A (en) 1971-03-03 1971-03-03 Heat exchanger having a plurality of modular tube bundles

Publications (1)

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US3841271A true US3841271A (en) 1974-10-15

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Application Number Title Priority Date Filing Date
US00120423A Expired - Lifetime US3841271A (en) 1970-07-31 1971-03-03 Heat exchanger having a plurality of modular tube bundles

Country Status (9)

Country Link
US (1) US3841271A (enrdf_load_stackoverflow)
JP (1) JPS5218416B1 (enrdf_load_stackoverflow)
AT (1) AT317947B (enrdf_load_stackoverflow)
BE (1) BE780075A (enrdf_load_stackoverflow)
CA (1) CA1022153A (enrdf_load_stackoverflow)
CH (1) CH538657A (enrdf_load_stackoverflow)
DE (1) DE2209119A1 (enrdf_load_stackoverflow)
FR (1) FR2128534B1 (enrdf_load_stackoverflow)
IT (1) IT949803B (enrdf_load_stackoverflow)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198929A (en) * 1977-09-28 1980-04-22 Commissariat A L'energie Atomique Steam generator for a pressurized-water power station
US4323114A (en) * 1979-03-26 1982-04-06 Fansteel Inc. Cluster heat exchanger
US20050150230A1 (en) * 1998-08-31 2005-07-14 Rollins William S.Iii High density combined cycle power plant process
DE19505403C5 (de) * 1995-02-17 2006-02-23 Donghwan Ind. Corp., Changwon Hochleistungsklimaanlage für Busse
ITRM20110014A1 (it) * 2011-01-18 2012-07-19 S R S Servizi Di Ricerche E Svilup S R L Sottoassieme modulare msu per la realizzazione di scambiatori di calore di processo e generatori di vapore e relativi accessori
US20130152877A1 (en) * 2011-12-19 2013-06-20 Hitachi Power Europe Gmbh Method for reducing the oxygen content in steam generator wall tubes
US20160003551A1 (en) * 2013-02-18 2016-01-07 Mitsubishi Hitachi Power System, Ltd. Heat exchanger and gas turbine plant provided therewith
US20160265850A1 (en) * 2015-03-13 2016-09-15 General Electric Company Tube in cross-flow conduit heat exchanger
US10006369B2 (en) 2014-06-30 2018-06-26 General Electric Company Method and system for radial tubular duct heat exchangers
US10378835B2 (en) 2016-03-25 2019-08-13 Unison Industries, Llc Heat exchanger with non-orthogonal perforations
US11306972B2 (en) 2017-11-01 2022-04-19 Holtec International Shell and tube heat exchangers
US11512902B2 (en) 2017-11-01 2022-11-29 Holtec International Flow baffles for shell and tube heat exchangers
EP4230944A1 (en) * 2022-02-17 2023-08-23 Bosal Flanders NV Heat exchanger module, method for manufacturing such a module and tubular heat exchanger comprising such modules
US11796255B2 (en) 2017-02-24 2023-10-24 Holtec International Air-cooled condenser with deflection limiter beams
CN119509203A (zh) * 2025-01-21 2025-02-25 自然资源部第三海洋研究所 一种用于同位素分离的循环冷却装置
US12259194B2 (en) 2023-07-10 2025-03-25 General Electric Company Thermal management system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593760U (enrdf_load_stackoverflow) * 1978-12-25 1980-06-28
JPH0419488A (ja) * 1990-05-14 1992-01-23 Miyata Ind Co Ltd 配管用連結ユニット
DE102011005481A1 (de) * 2011-03-14 2012-09-20 Siemens Aktiengesellschaft Wärmetauscher

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2220045A (en) * 1938-02-09 1940-10-29 Lummus Co Oil treating apparatus
US2229554A (en) * 1938-11-30 1941-01-21 Sun Oil Co Boiler for utilizing molten salt to generate steam
US3251404A (en) * 1961-12-26 1966-05-17 North American Aviation Inc Liquid metal heated steam generator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187807A (en) * 1961-05-03 1965-06-08 Babcock & Wilcox Co Heat exchanger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2220045A (en) * 1938-02-09 1940-10-29 Lummus Co Oil treating apparatus
US2229554A (en) * 1938-11-30 1941-01-21 Sun Oil Co Boiler for utilizing molten salt to generate steam
US3251404A (en) * 1961-12-26 1966-05-17 North American Aviation Inc Liquid metal heated steam generator

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198929A (en) * 1977-09-28 1980-04-22 Commissariat A L'energie Atomique Steam generator for a pressurized-water power station
US4323114A (en) * 1979-03-26 1982-04-06 Fansteel Inc. Cluster heat exchanger
DE19505403C5 (de) * 1995-02-17 2006-02-23 Donghwan Ind. Corp., Changwon Hochleistungsklimaanlage für Busse
US20050150230A1 (en) * 1998-08-31 2005-07-14 Rollins William S.Iii High density combined cycle power plant process
US7131259B2 (en) 1998-08-31 2006-11-07 Rollins Iii William S High density combined cycle power plant process
US20070204623A1 (en) * 1998-08-31 2007-09-06 William Rollins High density combined cycle power plant process
ITRM20110014A1 (it) * 2011-01-18 2012-07-19 S R S Servizi Di Ricerche E Svilup S R L Sottoassieme modulare msu per la realizzazione di scambiatori di calore di processo e generatori di vapore e relativi accessori
US20130152877A1 (en) * 2011-12-19 2013-06-20 Hitachi Power Europe Gmbh Method for reducing the oxygen content in steam generator wall tubes
US10378757B2 (en) * 2011-12-19 2019-08-13 General Electric Technology Gmbh Method for reducing the oxygen content in steam generator wall tubes
US10365044B2 (en) * 2013-02-18 2019-07-30 Mitsubishi Hitachi Power Systems, Ltd. Heat exchanger and gas turbine plant provided therewith
US20160003551A1 (en) * 2013-02-18 2016-01-07 Mitsubishi Hitachi Power System, Ltd. Heat exchanger and gas turbine plant provided therewith
US10006369B2 (en) 2014-06-30 2018-06-26 General Electric Company Method and system for radial tubular duct heat exchangers
US9835380B2 (en) * 2015-03-13 2017-12-05 General Electric Company Tube in cross-flow conduit heat exchanger
US20160265850A1 (en) * 2015-03-13 2016-09-15 General Electric Company Tube in cross-flow conduit heat exchanger
US10378835B2 (en) 2016-03-25 2019-08-13 Unison Industries, Llc Heat exchanger with non-orthogonal perforations
US11796255B2 (en) 2017-02-24 2023-10-24 Holtec International Air-cooled condenser with deflection limiter beams
US11306972B2 (en) 2017-11-01 2022-04-19 Holtec International Shell and tube heat exchangers
US11512902B2 (en) 2017-11-01 2022-11-29 Holtec International Flow baffles for shell and tube heat exchangers
EP4230944A1 (en) * 2022-02-17 2023-08-23 Bosal Flanders NV Heat exchanger module, method for manufacturing such a module and tubular heat exchanger comprising such modules
US12259194B2 (en) 2023-07-10 2025-03-25 General Electric Company Thermal management system
CN119509203A (zh) * 2025-01-21 2025-02-25 自然资源部第三海洋研究所 一种用于同位素分离的循环冷却装置

Also Published As

Publication number Publication date
FR2128534B1 (enrdf_load_stackoverflow) 1974-12-13
DE2209119A1 (de) 1972-10-05
FR2128534A1 (enrdf_load_stackoverflow) 1972-10-20
CH538657A (de) 1973-06-30
JPS5218416B1 (enrdf_load_stackoverflow) 1977-05-21
IT949803B (it) 1973-06-11
AT317947B (de) 1974-09-25
CA1022153A (en) 1977-12-06
BE780075A (fr) 1972-09-04

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