DE60207689D1 - Wärmetauscher mit gewickelten Rohrschlangen - Google Patents

Wärmetauscher mit gewickelten Rohrschlangen

Info

Publication number
DE60207689D1
DE60207689D1 DE60207689T DE60207689T DE60207689D1 DE 60207689 D1 DE60207689 D1 DE 60207689D1 DE 60207689 T DE60207689 T DE 60207689T DE 60207689 T DE60207689 T DE 60207689T DE 60207689 D1 DE60207689 D1 DE 60207689D1
Authority
DE
Germany
Prior art keywords
coil wound
tubing
tubes
bundle
heat exchanger
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
DE60207689T
Other languages
English (en)
Other versions
DE60207689T2 (de
DE60207689T3 (de
Inventor
Timothy Truong
Yu-Nan Liu
Glenn Eugene Kinard
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.)
Air Products and Chemicals Inc
Original Assignee
Air Products and Chemicals 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29414691&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60207689(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Priority to DE60207689T priority Critical patent/DE60207689T3/de
Publication of DE60207689D1 publication Critical patent/DE60207689D1/de
Publication of DE60207689T2 publication Critical patent/DE60207689T2/de
Application granted granted Critical
Publication of DE60207689T3 publication Critical patent/DE60207689T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
    • F25J1/006—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the refrigerant fluid used
    • F25J1/008—Hydrocarbons
    • F25J1/0087—Propane; Propylene
    • 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
    • F25J1/003—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
    • F25J1/0055—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 originating from an incorporated cascade
    • 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
    • F25J1/0211—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
    • F25J1/0214—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle
    • F25J1/0215—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle with one SCR cycle
    • F25J1/0216—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 using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a dual level refrigeration cascade with at least one MCR cycle with one SCR cycle using a C3 pre-cooling cycle
    • 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
    • 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
    • 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
    • F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
    • 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
    • F28D7/02—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 helically coiled
    • F28D7/024—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 helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
    • 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
    • F25J2220/00—Processes or apparatus involving steps for the removal of impurities
    • F25J2220/60—Separating impurities from natural gas, e.g. mercury, cyclic hydrocarbons
    • F25J2220/64—Separating heavy hydrocarbons, e.g. NGL, LPG, C4+ hydrocarbons or heavy condensates in general
    • 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
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/40—Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval
    • 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/12—Particular process parameters like pressure, temperature, ratios

Landscapes

  • 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)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
DE60207689T 2002-05-27 2002-05-27 Wärmetauscher mit gewickelten Rohrschlangen Expired - Lifetime DE60207689T3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE60207689T DE60207689T3 (de) 2002-05-27 2002-05-27 Wärmetauscher mit gewickelten Rohrschlangen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE60207689T DE60207689T3 (de) 2002-05-27 2002-05-27 Wärmetauscher mit gewickelten Rohrschlangen
EP02011583A EP1367350B2 (de) 2002-05-27 2002-05-27 Wärmetauscher mit gewickelten Rohrschlangen

Publications (3)

Publication Number Publication Date
DE60207689D1 true DE60207689D1 (de) 2006-01-05
DE60207689T2 DE60207689T2 (de) 2006-06-14
DE60207689T3 DE60207689T3 (de) 2013-01-24

Family

ID=29414691

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60207689T Expired - Lifetime DE60207689T3 (de) 2002-05-27 2002-05-27 Wärmetauscher mit gewickelten Rohrschlangen

Country Status (4)

Country Link
EP (1) EP1367350B2 (de)
AT (1) ATE311580T1 (de)
DE (1) DE60207689T3 (de)
ES (1) ES2254555T5 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114555258A (zh) * 2019-10-08 2022-05-27 气体产品与化学公司 热交换系统及组装方法

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101233378B (zh) * 2005-07-29 2010-08-04 林德股份公司 具有不同管径的缠绕式换热器
WO2007014617A1 (de) * 2005-07-29 2007-02-08 Linde Aktiengesellschaft Gewickelter wärmetauscher mit unterschiedlichen materialien
DE102009018248A1 (de) * 2009-04-21 2010-10-28 Linde Aktiengesellschaft Verfahren zum Verflüssigen einer Kohlenwasserstoff-reichen Fraktion
US10215485B2 (en) * 2010-06-30 2019-02-26 Shell Oil Company Method of treating a hydrocarbon stream comprising methane, and an apparatus therefor
EP2857782A1 (de) 2013-10-04 2015-04-08 Shell International Research Maatschappij B.V. Wärmetauscher mit gewickelter Spule und Verfahren zur Kühlung eines Prozessstroms
US20160209118A1 (en) * 2015-01-16 2016-07-21 Air Products And Chemicals, Inc. Shell-Side Fluid Distribution in Coil Wound Heat Exchangers
US10359228B2 (en) 2016-05-20 2019-07-23 Air Products And Chemicals, Inc. Liquefaction method and system
FR3075942B1 (fr) * 2017-12-22 2020-07-17 Axens Echangeur de chaleur bobine pour hydrotraitement ou hydroconversion
DE102019002704A1 (de) * 2019-04-12 2020-10-15 Linde Gmbh Stegdesign - und Anordnung zur Verringerung einer radialen Fehlverteilung in einem gewickelten Wärmeübertrager
CN111964482B (zh) * 2020-08-21 2024-07-02 仲恺农业工程学院 一种缠绕管式蒸发器
US20230147084A1 (en) 2021-11-05 2023-05-11 Air Products And Chemicals, Inc. Mitigation of Shell-Side Liquid Maldistribution in Coil Wound Heat Exchanger Bundles
CN115388675B (zh) * 2022-08-18 2024-06-07 上海核工程研究设计院股份有限公司 一种可涡流检查的环绕堆内组件式螺旋缠绕管换热组件
CN115894145A (zh) * 2022-10-28 2023-04-04 山东京博装备制造安装有限公司 一种丙烷脱氢工艺
CN117006867B (zh) * 2023-09-25 2024-01-26 江苏双勤新能源科技有限公司 一体式热交换器

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2952985A (en) * 1954-09-20 1960-09-20 Clarence W Brandon Apparatus for fractionating and refrigerating with or by miscible fluids
FR1381767A (fr) * 1963-02-06 1964-12-14 Sulzer Ag Echangeur de chaleur disposé dans un récipient sous pression de section circulaire
GB1135871A (en) * 1965-06-29 1968-12-04 Air Prod & Chem Liquefaction of natural gas
US3516261A (en) * 1969-04-21 1970-06-23 Mc Donnell Douglas Corp Gas mixture separation by distillation with feed-column heat exchange and intermediate plural stage work expansion of the feed
NO146511C (no) * 1977-02-02 1982-10-13 Kaehler & Breum Beholder Og Ma Varmeveksler, saerlig vannvarmer for bruksvann
US4504296A (en) 1983-07-18 1985-03-12 Air Products And Chemicals, Inc. Double mixed refrigerant liquefaction process for natural gas
MY113525A (en) † 1995-10-05 2002-03-30 Bhp Petroleum Pty Ltd Liquefaction process
DE19848280C2 (de) † 1998-10-20 2003-01-30 Linde Ag Wärmetauscher zum Verflüssigen eines Kohlenwasserstoff-reichen Stromes
US6119479A (en) 1998-12-09 2000-09-19 Air Products And Chemicals, Inc. Dual mixed refrigerant cycle for gas liquefaction
US6347532B1 (en) * 1999-10-12 2002-02-19 Air Products And Chemicals, Inc. Gas liquefaction process with partial condensation of mixed refrigerant at intermediate temperatures
TW480325B (en) † 1999-12-01 2002-03-21 Shell Int Research Plant for liquefying natural gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114555258A (zh) * 2019-10-08 2022-05-27 气体产品与化学公司 热交换系统及组装方法

Also Published As

Publication number Publication date
ES2254555T5 (es) 2013-02-15
DE60207689T2 (de) 2006-06-14
EP1367350A1 (de) 2003-12-03
EP1367350B1 (de) 2005-11-30
EP1367350B2 (de) 2012-10-24
ATE311580T1 (de) 2005-12-15
DE60207689T3 (de) 2013-01-24
ES2254555T3 (es) 2006-06-16

Similar Documents

Publication Publication Date Title
DE60207689T2 (de) Wärmetauscher mit gewickelten Rohrschlangen
WO2009009222A3 (en) Dialysis fluid heating systems
BR0108658A (pt) Ferramenta de enrolamento para um carretel, método para bobinar tubo enrolado sobre um carretel e sistema para estender e recuperar tubo enrolado de compósito em um furo de poço
DE602006011254D1 (de) Wärmetauscher zur Verwendung in der Medizin
US20180195807A1 (en) Heat exchange array
TW270170B (en) Heat exchange coil assembly and its composite body
CA2425586A1 (en) Heat exchanger having improved header
CA2416970A1 (en) Heat exchanger flow through tube supports
FR2852658B1 (fr) Conduite tubulaire flexible pour le transport d'un fluide
NO20081063L (no) Viklet varmeveksler med forskjellige rordiametere
JP2003156294A5 (de)
NO20081064L (no) Viklet varmeveksler med forskjellige materialer
DK151513B (da) Afstandsholder for koaksial varmeveksler
RU2009139458A (ru) Трубчатая печь для крекинга
EP4090901B1 (de) Energieaustasuchapparat zwischen medien mit verbesserter struktur und leistung
RU62694U1 (ru) Теплообменный элемент
JP2021183905A (ja) 熱交換器用スペーサ
DE3071913D1 (en) Method of producing multiple coil, multiple tube heat exchanger
EP0435839B1 (de) Wärmetauscher und Verfahren zu dessen Herstellung
NO20082829L (no) Viklet varmeveksler
DE60318113D1 (de) Wärmetauschereinheiten
CN111895841A (zh) 一种缠绕形成的强化管内对流传热的内插芯
CN116592670A (zh) 免焊接螺旋换热器
SU1746185A1 (ru) Теплообменник
FR2853398B1 (fr) Echangeur de chaleur helicoidal a ailettes et chaudiere equipee d'un tel echangeur

Legal Events

Date Code Title Description
8363 Opposition against the patent
R102 Epo decision maintaining patent in amended form now final

Ref document number: 1367350

Country of ref document: EP

Effective date: 20121024