ZA82159B - Synthesis gas cooler and waste heat boiler - Google Patents

Synthesis gas cooler and waste heat boiler

Info

Publication number
ZA82159B
ZA82159B ZA82159A ZA82159A ZA82159B ZA 82159 B ZA82159 B ZA 82159B ZA 82159 A ZA82159 A ZA 82159A ZA 82159 A ZA82159 A ZA 82159A ZA 82159 B ZA82159 B ZA 82159B
Authority
ZA
South Africa
Prior art keywords
waste heat
synthesis gas
heat boiler
gas cooler
cooler
Prior art date
Application number
ZA82159A
Other languages
English (en)
Inventor
Wolfgang Koog
Frank Edward Guptill
Original Assignee
Texaco Development 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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of ZA82159B publication Critical patent/ZA82159B/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/86—Other features combined with waste-heat boilers
    • 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
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F22B1/1838—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines the hot gas being under a high pressure, e.g. in chemical installations
    • F22B1/1846—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines the hot gas being under a high pressure, e.g. in chemical installations the hot gas being loaded with particles, e.g. waste heat boilers after a coal gasification plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes
    • F22B21/04—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely
    • F22B21/06—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged annularly in sets, e.g. in abutting connection with drums of annular shape
    • F22B21/065—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged annularly in sets, e.g. in abutting connection with drums of annular shape involving an upper and lower drum of annular shape
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/06—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with the heat-exchange conduits forming part of, or being attached to, the tank containing the body of fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0012—Recuperative heat exchangers the heat being recuperated from waste water or from condensates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1884—Heat exchange between at least two process streams with one stream being synthesis gas
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
    • C10J2300/1861—Heat exchange between at least two process streams
    • C10J2300/1892—Heat exchange between at least two process streams with one stream being water/steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0075—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for syngas or cracked gas cooling systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
ZA82159A 1981-02-12 1982-01-11 Synthesis gas cooler and waste heat boiler ZA82159B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/233,752 US4377132A (en) 1981-02-12 1981-02-12 Synthesis gas cooler and waste heat boiler

Publications (1)

Publication Number Publication Date
ZA82159B true ZA82159B (en) 1983-05-25

Family

ID=22878551

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA82159A ZA82159B (en) 1981-02-12 1982-01-11 Synthesis gas cooler and waste heat boiler

Country Status (14)

Country Link
US (1) US4377132A (ja)
JP (2) JPS57150791A (ja)
KR (1) KR880000048B1 (ja)
AU (1) AU546321B2 (ja)
BE (1) BE892110A (ja)
BR (1) BR8108218A (ja)
CA (1) CA1168527A (ja)
DE (1) DE3147864A1 (ja)
ES (1) ES8400478A1 (ja)
FR (1) FR2499699B1 (ja)
GB (1) GB2093175B (ja)
IT (1) IT1149611B (ja)
SE (1) SE454992B (ja)
ZA (1) ZA82159B (ja)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH656637A5 (de) * 1981-10-26 1986-07-15 Sulzer Ag Gaskuehler-anordnung zu kohlevergasungsanlage.
NL187177C (nl) * 1982-07-12 1991-06-17 Stork Ketel & App Vertikale stralingsketel.
US4479809A (en) * 1982-12-13 1984-10-30 Texaco Inc. Apparatus for gasifying coal including a slag trap
CH661585A5 (de) * 1983-07-07 1987-07-31 Sulzer Ag Waermeuebertrager fuer gase, vorzugsweise synthesegaskuehler.
US4545330A (en) * 1984-04-10 1985-10-08 Cool Water Coal Gasification Program Self-cleaning liner
US4520760A (en) * 1984-04-23 1985-06-04 Combustion Engineering, Inc. Heat exchanger outlet arrangement
DD227980A1 (de) * 1984-10-29 1985-10-02 Freiberg Brennstoffinst Apparat fuer die vergasung von kohlenstaub
US4708819A (en) * 1985-04-26 1987-11-24 Texaco Inc. Reduction of vanadium in recycle petroleum coke
US4657702A (en) * 1985-04-26 1987-04-14 Texaco Inc. Partial oxidation of petroleum coke
US4681700A (en) * 1985-04-26 1987-07-21 Texaco Inc. Partial oxidation of upgraded petroleum coke
US4650497A (en) * 1985-05-06 1987-03-17 Texaco Development Corp. Quench chamber structure for a down flow high pressure gasifier
DD252734A3 (de) * 1985-11-12 1987-12-30 Freiberg Brennstoffinst Apparat zur kohlenstaubvergasung
CH670501A5 (ja) * 1986-07-02 1989-06-15 Sulzer Ag
GB8620994D0 (en) * 1986-08-29 1986-10-08 Shell Int Research Synthesis gas
DE3711314A1 (de) * 1987-04-03 1988-10-13 Babcock Werke Ag Vorrichtung zum kuehlen eines synthesegases in einem quenchkuehler
DE3737359A1 (de) * 1987-11-04 1989-05-18 Krupp Koppers Gmbh Abhitzekessel zur kuehlung von partialoxidationsrohgas
US4876987A (en) * 1988-06-27 1989-10-31 Texaco, Inc. Synthetic gas cooler with thermal protection
US4936376A (en) * 1988-06-27 1990-06-26 Texaco Inc. Synthetic gas cooler with thermal protection
DE3844347A1 (de) * 1988-12-30 1990-07-05 Krupp Koppers Gmbh Verfahren und strahlungskuehler zur strahlungskuehlung eines aus dem vergasungsreaktor austretenden produktgasmengenstromes
US4946476A (en) * 1989-08-24 1990-08-07 Texaco Inc. Partial oxidation of bituminous coal
US4948387A (en) * 1989-11-24 1990-08-14 Texaco Inc. Synthesis gas barrier and refractory support
US5251575A (en) * 1991-06-12 1993-10-12 Sulzer Brothers Limited Installation for cooling hot, dust-charged gas in a steam generator, and a process for operating said installation
US5234552A (en) * 1991-09-10 1993-08-10 Mcgrew Robert Glycol reboiler vapor condenser
DE4230124A1 (de) * 1992-09-09 1994-03-10 Babcock Energie Umwelt Vorrichtung zur Kühlung von heißen Gasen
DE4229895C2 (de) * 1992-09-11 1997-01-30 Steinmueller Gmbh L & C Vorrichtung zur Kühlung eines heißen Gases, insbesondere eines in einer Verbrennungs- bzw. Vergasungkammer durch Verbrennung von kohlenstoffhaltigem Brennstoff erzeugten heißen Nutzgases
US5271243A (en) * 1992-10-27 1993-12-21 Deutsche Babcock Energie- Und Umwelttechnik Ag Device for cooling hot gases
US5803937A (en) * 1993-01-14 1998-09-08 L. & C. Steinmuller Gmbh Method of cooling a dust-laden raw gas from the gasification of a solid carbon-containing fuel
US5319924A (en) * 1993-04-27 1994-06-14 Texaco Inc. Partial oxidation power system
US6116196A (en) * 1997-02-28 2000-09-12 Miura Co., Ltd. Water-tube boiler
US6550252B2 (en) 2000-10-12 2003-04-22 Texaco Inc. Nitrogen stripping of hydrotreater condensate
TW517147B (en) * 2001-04-19 2003-01-11 Ebara Corp Waste heat boiler
JP4599291B2 (ja) * 2005-01-07 2010-12-15 三菱重工業株式会社 加圧高温ガス冷却器
US20060228284A1 (en) * 2005-04-11 2006-10-12 Schmidt Craig A Integration of gasification and ammonia production
US7931710B2 (en) * 2005-07-27 2011-04-26 Babcock & Wilcox Power Generation Group, Inc. Steam generator to contain and cool synthesis gas
ITMI20051834A1 (it) * 2005-09-30 2007-04-01 Eni Spa Scambiatore di calore
US7803216B2 (en) 2005-12-28 2010-09-28 Mitsubishi Heavy Industries, Ltd. Pressurized high-temperature gas cooler
US8828107B2 (en) 2006-01-31 2014-09-09 Linde Process Plants, Inc. Process and apparatus for synthesis gas heat exchange system
DE102006031816B4 (de) * 2006-07-07 2008-04-30 Siemens Fuel Gasification Technology Gmbh Verfahren und Vorrichtung zur Kühlung von heißen Gasen und verflüssigter Schlacke bei der Flugstromvergasung
JP2008056808A (ja) * 2006-08-31 2008-03-13 Babcock & Wilcox Co:The 合成ガスを収容及び冷却するための蒸気発生装置
CN101135432B (zh) * 2006-09-01 2013-04-24 巴布考克及威尔考克斯公司 用于容纳和冷却合成气体的蒸汽发生器
US9051522B2 (en) 2006-12-01 2015-06-09 Shell Oil Company Gasification reactor
US7740671B2 (en) 2006-12-18 2010-06-22 Pratt & Whitney Rocketdyne, Inc. Dump cooled gasifier
US8191617B2 (en) * 2007-08-07 2012-06-05 General Electric Company Syngas cooler and cooling tube for use in a syngas cooler
CN101161792B (zh) * 2007-09-29 2010-11-17 上海惠生化工工程有限公司 一种煤气化制合成气过程的热量回收工艺方法
US7846226B2 (en) * 2008-02-13 2010-12-07 General Electric Company Apparatus for cooling and scrubbing a flow of syngas and method of assembling
DE102008022696A1 (de) * 2008-05-07 2009-11-12 Solvis Gmbh & Co. Kg Feuerungseinrichtung mit einer Reinigungseinrichtung
US8398730B2 (en) * 2008-07-23 2013-03-19 General Electric Company Method and apparatus to facilitate substitute natural gas production
US8960651B2 (en) 2008-12-04 2015-02-24 Shell Oil Company Vessel for cooling syngas
DE102009020367B4 (de) * 2009-04-27 2011-02-17 Siemens Aktiengesellschaft Abhitzedampferzeugersystem für einen Vergasungsprozess
US8769964B2 (en) * 2010-01-05 2014-07-08 General Electric Company System and method for cooling syngas produced from a gasifier
DE102012215898B4 (de) * 2012-09-07 2019-03-21 Siemens Aktiengesellschaft Vorrichtung zur zuverlässigen Füllstandsregelung in einer der Flugstromvergasung nachgeschalteten Quenchkammer mit Inertgasspülung der Druck aufnehmenden Messstelle
CN103013578A (zh) * 2012-12-11 2013-04-03 中国东方电气集团有限公司 一体化束状辐射锅炉预热锅炉混合式能源利用装置
CN103013580A (zh) * 2012-12-11 2013-04-03 中国东方电气集团有限公司 一体化束状辐射锅炉预热锅炉混合式热回收装置
CN103102993B (zh) * 2013-02-20 2014-07-09 上海锅炉厂有限公司 一种非激冷防结渣辐射废热锅炉及其应用
US9109171B2 (en) * 2013-11-15 2015-08-18 General Electric Company System and method for gasification and cooling syngas
US9404054B2 (en) * 2013-12-20 2016-08-02 General Electric Company Tubular radiant syngas cooler
DE102014201890A1 (de) * 2014-02-03 2015-08-06 Siemens Aktiengesellschaft Kühlung und Waschung eines Rohgases aus der Flugstromvergasung
JP6621310B2 (ja) * 2015-11-18 2019-12-18 三菱日立パワーシステムズ株式会社 ガス化装置、制御装置、ガス化複合発電設備及び制御方法
CN106147878A (zh) * 2016-08-18 2016-11-23 安徽科达洁能股份有限公司 高温显热回收装置
CN106190326A (zh) * 2016-08-29 2016-12-07 安徽科达洁能股份有限公司 粉煤气化设备

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US946310A (en) * 1909-05-03 1910-01-11 David John Archer Hot-water furnace.
US1838511A (en) * 1927-05-11 1931-12-29 Walter C Wilson Device for cleaning air
US2538450A (en) * 1948-02-16 1951-01-16 Colon L Gardner Engine muffler
US2775958A (en) * 1953-02-24 1957-01-01 Babcock & Wilcox Co Tubular fluid heater with built-in soot blower, and method effected thereby
US3063221A (en) * 1958-12-31 1962-11-13 American Air Filter Co Dust collector apparatus
US3269366A (en) * 1964-10-20 1966-08-30 Combustion Eng Vapor generator furnace wall deslagger
FR2026997B2 (ja) * 1968-12-24 1974-08-09 Oschatz Gmbh
US3529579A (en) * 1969-04-24 1970-09-22 Leon Jacques Wanson Multitubular boiler
US3951198A (en) * 1972-08-15 1976-04-20 Rose Shuffman, executrix Apparatus and method for recovering pure water from natural sources and industrial polluted waste sources
US4005999A (en) * 1975-03-03 1977-02-01 Carlson Drexel T Vapor reactor
SU689707A1 (ru) * 1977-05-13 1979-10-05 Предприятие П/Я В-8796 Устройство дл мокрой очистки газа
DE2933514B1 (de) * 1979-08-18 1980-03-27 Gutehoffnungshuette Sterkrade Vorrichtung zum Behandeln von durch Kohlevergasung erzeugtem Synthesegas
DE2933548B1 (de) * 1979-08-18 1980-03-27 Gutehoffnungshuette Sterkrade Vorrichtung zum Reinigen von durch Kohlevergasung erzeugtem Synthesegas
DE2940257C2 (de) * 1979-10-04 1984-11-08 Ruhrchemie Ag, 4200 Oberhausen Strahlungskessel für die Abkühlung eines feste und schmelzflüssige Partikel enthaltenden Gasstromes
DE2951153C2 (de) * 1979-12-19 1981-11-12 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen Vorrichtung zum Reinigen und durch Kohlevergasung erzeugtem Synthesegas
CH653360A5 (de) * 1980-09-19 1985-12-31 Sulzer Ag Heissgaskuehler an einer kohlevergasungsanlage.

Also Published As

Publication number Publication date
DE3147864C2 (ja) 1987-03-19
JPH0435681Y2 (ja) 1992-08-24
FR2499699A1 (fr) 1982-08-13
JPS6422101U (ja) 1989-02-03
KR880000048B1 (ko) 1988-02-20
ES509501A0 (es) 1983-11-01
FR2499699B1 (fr) 1986-03-21
AU546321B2 (en) 1985-08-29
SE454992B (sv) 1988-06-13
JPS57150791A (en) 1982-09-17
IT8219590A0 (it) 1982-02-10
CA1168527A (en) 1984-06-05
US4377132A (en) 1983-03-22
BR8108218A (pt) 1982-10-05
IT1149611B (it) 1986-12-03
GB2093175B (en) 1984-07-18
AU8032182A (en) 1982-08-19
DE3147864A1 (de) 1982-08-19
ES8400478A1 (es) 1983-11-01
GB2093175A (en) 1982-08-25
BE892110A (fr) 1982-08-11
SE8200460L (sv) 1982-08-13

Similar Documents

Publication Publication Date Title
GB2093175B (en) Synthesis gas cooler and waste heat boiler
EP0057251A3 (en) Hot gas particulate removal
GB2107441B (en) Gas or liquid-fired hot water boiler
GB2093581B (en) Heat exchanger
GB2112516B (en) Heat pipe heat exchanger
ZA843197B (en) Heat exchanger for gases
IL66225A0 (en) Heat exchanger and its manufacture
JPS57148197A (en) Heat exchanger
JPS57148193A (en) Heat exchanger
GB2108648B (en) Heat exchanger
DE3170290D1 (en) Heat exchanger and use thereof
JPS57157973A (en) Heat exchanger
GB2096758B (en) Heat exchanger
DE3175002D1 (en) Heat pipe
GB2096303B (en) Heat exchanger
DE3260180D1 (en) Heat exchanger
JPS57136094A (en) Heat exchanger and making thereof
GB2168637B (en) Heat exchanger
GB2123127B (en) Waste heat boilers
DE3262274D1 (en) Heat exchanger
JPS57153172A (en) Heat exchanger
JPS57188905A (en) Heat exchanger
DE3261628D1 (en) Heat exchanger
GR80198B (en) Heat exchanger for exploitating the heat of boiler exhaust gas
JPS57153173A (en) Heat exchanger