EP0567674A1 - Echangeur de chaleur pour le refroidissement du gaz de synthèse produit dans une installation de gazéification du charbon - Google Patents
Echangeur de chaleur pour le refroidissement du gaz de synthèse produit dans une installation de gazéification du charbon Download PDFInfo
- Publication number
- EP0567674A1 EP0567674A1 EP92107283A EP92107283A EP0567674A1 EP 0567674 A1 EP0567674 A1 EP 0567674A1 EP 92107283 A EP92107283 A EP 92107283A EP 92107283 A EP92107283 A EP 92107283A EP 0567674 A1 EP0567674 A1 EP 0567674A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- tube
- synthesis gas
- tube plate
- pipe
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/002—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using inserts or attachments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/04—Constructions of heat-exchange apparatus characterised by the selection of particular materials of ceramic; of concrete; of natural stone
-
- 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
Definitions
- the invention relates to a heat exchanger for cooling synthesis gas generated in a coal gasification plant with the features of the preamble of patent claim 1.
- Synthesis gas which is produced by gasification of coal, contains constituents which, like ash particles, lead to erosion or, like sulfur compounds, to high-temperature corrosion on the pipe plate and in the pipe inlet.
- waste heat exchangers for gases from ammonia synthesis (Chem.-Ing.-Tech. 56 (1984), pages 356 to 358) it is known to protect the gas inlet-side tube plate by a cover with a ceramic ramming compound and by the ramming compound into the pipe inlet Guide the inlet tube.
- the invention has for its object to effectively protect the generic heat exchanger by measures which are matched to the synthesis gas to be cooled, which comes from a coal gasification plant, on the gas inlet side against high-temperature corrosion and erosion.
- the grommets used can be made from a ceramic material which is characterized by high resistance to temperature changes and high erosion resistance.
- the grommets serve as a conically elongated pipe inlet and, when installed, form a closed assembly that covers the entire pipe plate including the pipe inlet of the heat exchanger pipes and thus protects them.
- the special conical inlet shape of the spouts prevents the synthesis gas contained in it from caking Solid particles that would lead to a blockage of the pipe inlet through bridging. Due to the conical inlet shape of the spout according to the invention, a constant increase in speed is achieved, as a result of which possible deposits are removed by the acceleration of the synthesis gas and the solid particles contained in the synthesis gas.
- the two-layer coating on the tube plate, the pipe welding and in the pipe inlet gives these parts a high resistance to high-temperature corrosion and erosion. This protection is effective when a spout is destroyed.
- the heat exchanger has a bundle of heat exchanger tubes 1, two of which are shown.
- the heat exchanger tubes 1 are each held in a tube plate 2, 3 at both ends.
- the tube plates 2, 3 are fastened in a jacket 4 which encloses the heat exchanger tubes 1.
- a gas inlet chamber 5 is connected to the upper tube plate 2 in the drawing and a gas outlet chamber 6 to the lower tube plate 3.
- the gas inlet chamber 5 is connected via a pipe, not shown, to a reactor, also not shown, in which coal is gasified.
- the synthesis gas generated by the gasification enters the gas inlet chamber 5, flows through the heat exchanger tubes 1 while releasing heat, and exits the gas outlet chamber 6 in a cooled state.
- the jacket 4 of the heat exchanger is provided with an inlet nozzle 7 and an outlet nozzle 8.
- water is fed into the interior of the jacket 4 as a coolant, which evaporates through the heat exchange with the hot synthesis gas flowing through the heat exchanger tubes 1 and is discharged as a water vapor mixture through the outlet connector 8.
- the water vapor mixture is fed to the steam drum of a steam generation system, not shown.
- the heat exchanger tubes 1 are designed as composite tubes and contain an austenitic inner tube 9 in order to counteract high-temperature corrosion of the heat exchanger tubes 1 by the hot synthesis gas.
- the inner tube 9 is closely enclosed by an outer tube 10, which is fastened in the tube plate 2 via a tube weld 11.
- the tube plate 2 on the gas inlet side is provided with a ceramic layer on the side facing the gas inlet chamber 5, which layer consists of individual ceramic nozzles 12.
- the spout 12 has a cuboid outer contour 13 in the upper part, which tapers downwards and ends in a tube section 14.
- Each grommet 12 has an opening 15 which starts from the rectangular outer contour 13, narrows conically and merges into the inner cross section of the pipe section 14.
- the outside diameter of the pipe section 14 of the grommet 12 is slightly smaller than the inside diameter of the heat exchanger pipe 1, so that the pipe section 14 can be inserted into the inlet of the heat exchanger pipe 1.
- the pipe section 14 extends into the inlet of a heat exchanger pipe 1 so that the lower edge of the pipe section 14 engages over the inner pipe 9.
- the grommets 12 are placed on the tube plate 2 so that the pipe section 14 of a grommet 12 is inserted into one of the heat exchanger tubes 1 and that the outer contour 13th abut adjacent spouts 12 at a distance above the tube plate 2. In this way, a closed bandage is formed, which covers and protects the entire tube plate 2 on the gas inlet side.
- the grommet 12 is provided with an edge recess 16 which extends over a quarter-circular arc.
- a bolt 17 is guided through the edge recesses 16 of the abutting spouts 12 and is fastened on the tube plate 2.
- the spouts 12 are fixed on the tube plate 2 by means of a nut 18 screwed onto the bolt 17.
- the tube plate 2 and the tube weld 11 of the heat exchanger tubes 1 are provided with a two-layer coating 20.
- the first layer which is applied to the metallic material of the tube plate 2, is an atmospheric plasma-sprayed metallic layer which serves as protection against oxidation and high-temperature corrosion of the base material and as an adhesion promoter for the second layer.
- the second layer is an atmospheric plasma-sprayed ceramic layer, which is resistant to high temperatures and erosion.
- the coating 20 is also applied in the tube inlets of the heat exchanger tubes 1 in order to counteract the increased risk of erosion and the introduction of heat, which is caused by eddy formation in the turbulent area of the tube inlet section, in particular at the end of the spout 12.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE92107283T DE59200074D1 (de) | 1992-04-29 | 1992-04-29 | Wärmetauscher zum Kühlen von in einer Kohlevergasungsanlage erzeugtem Synthesegas. |
EP92107283A EP0567674B1 (fr) | 1992-04-29 | 1992-04-29 | Echangeur de chaleur pour le refroidissement du gaz de synthèse produit dans une installation de gazéification du charbon |
US07/931,822 US5246063A (en) | 1992-04-29 | 1992-08-18 | Heat exchanger for cooling synthesis gas generated in a cool-gasification plant |
JP28810592A JP3362170B2 (ja) | 1992-04-29 | 1992-09-15 | 石炭ガス化装置で発生した合成ガスを冷却する熱交換器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP92107283A EP0567674B1 (fr) | 1992-04-29 | 1992-04-29 | Echangeur de chaleur pour le refroidissement du gaz de synthèse produit dans une installation de gazéification du charbon |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0567674A1 true EP0567674A1 (fr) | 1993-11-03 |
EP0567674B1 EP0567674B1 (fr) | 1994-02-23 |
Family
ID=8209584
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92107283A Expired - Lifetime EP0567674B1 (fr) | 1992-04-29 | 1992-04-29 | Echangeur de chaleur pour le refroidissement du gaz de synthèse produit dans une installation de gazéification du charbon |
Country Status (4)
Country | Link |
---|---|
US (1) | US5246063A (fr) |
EP (1) | EP0567674B1 (fr) |
JP (1) | JP3362170B2 (fr) |
DE (1) | DE59200074D1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0706014A1 (fr) * | 1994-10-07 | 1996-04-10 | ANGELO PO GRANDI CUCINE S.p.A. | Ecran de protection contre la chaleur pour échangeur de chaleur |
DE19534823A1 (de) * | 1995-09-20 | 1997-03-27 | Ruhr Oel Gmbh | Rohrbündel-Wärmeübertrager |
DE10028568C1 (de) * | 2000-06-09 | 2001-06-07 | Uwe Schwerdtfeger | Röhrchen-Wärmetauscher |
EP1139056A2 (fr) | 2000-03-28 | 2001-10-04 | Borsig GmbH | Dispositif pour l'entrée de gaz chauds dans les tubes d'une surface chauffante, soudés à la plaque tubulaire d'une chaudière de récupération |
EP1674815A1 (fr) * | 2004-12-21 | 2006-06-28 | Borsig GmbH | Echangeur de chaleur pour le refroidissement de gaz chargés de particules |
DE102005032118A1 (de) * | 2005-07-07 | 2007-01-11 | Ruhr Oel Gmbh | Rohrbündelwärmeübertrager mit verschleißbeständiger Rohrbodenauskleidung |
WO2007073436A1 (fr) * | 2005-12-20 | 2007-06-28 | Caterpillar Inc. | Echangeur thermique resistant a la corrosion |
EP2122013B1 (fr) * | 2007-03-22 | 2015-08-05 | Alstom Technology Ltd | Système d'épuration et de refroidissement des gaz de combustion |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19501422C2 (de) * | 1995-01-19 | 2002-03-28 | Borsig Gmbh | Gekühltes Übergangsstück zwischen einem Wärmetauscher und einem Reaktor |
US5775412A (en) * | 1996-01-11 | 1998-07-07 | Gidding Engineering, Inc. | High pressure dense heat transfer area heat exchanger |
US5647432A (en) * | 1996-04-10 | 1997-07-15 | Blasch Precision Ceramics, Inc. | Ceramic ferrule and ceramic ferrule refractory wall for shielding tube sheet/boiler tube assembly of heat exchanger |
AU4090600A (en) | 1999-06-30 | 2001-01-04 | Rohm And Haas Company | High performance heat exchangers |
US6284324B1 (en) | 2000-04-21 | 2001-09-04 | Eastman Chemical Company | Coal gasification burner shield coating |
US8828107B2 (en) | 2006-01-31 | 2014-09-09 | Linde Process Plants, Inc. | Process and apparatus for synthesis gas heat exchange system |
US7574981B1 (en) * | 2006-10-05 | 2009-08-18 | Citgo Petroleum Corporation | Apparatus and method for improving the durability of a cooling tube in a fire tube boiler |
US20080118310A1 (en) * | 2006-11-20 | 2008-05-22 | Graham Robert G | All-ceramic heat exchangers, systems in which they are used and processes for the use of such systems |
GB2515330B (en) * | 2013-06-20 | 2015-11-04 | Boustead Internat Heaters Ltd | Improvements in waste heat recovery units |
EP2881691A1 (fr) * | 2013-12-09 | 2015-06-10 | Balcke-Dürr GmbH | Échangeur de chaleur avec une plaque tubulaire et un manchon inséré |
DK3355022T3 (da) * | 2017-01-31 | 2020-02-10 | Alfa Laval Corp Ab | Anordning og fremgangsmåde til beskyttelse af en syngas- kredsløbskedels rørplade |
CN106969659B (zh) * | 2017-04-14 | 2018-10-30 | 林州市桃园散热科技有限公司 | 一种散热器循环水过滤器及其制成的散热器 |
EP3499171A1 (fr) * | 2017-12-15 | 2019-06-19 | ALFA LAVAL OLMI S.p.A. | Dispositif anti-érosion pour équipement à faisceau tubulaire |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1222655A (fr) * | 1959-01-19 | 1960-06-13 | Pechiney Prod Chimiques Sa | Perfectionnements aux échangeurs de chaleur |
DE1451225A1 (de) * | 1964-12-19 | 1969-05-14 | Linde Ag | Rohr,insbesondere fuer Roehrenwaermeaustauscher |
DE1601947A1 (de) * | 1968-03-16 | 1970-08-27 | Siegener Ag Geisweid Eisenkons | Waermeaustauscher fuer gasfoermige,staubhaltige und/oder aggressive Bestandteile aufweisende Waermemedien |
FR2075946A1 (fr) * | 1970-01-06 | 1971-10-15 | Surface Tech Corp | |
US3707186A (en) * | 1971-01-18 | 1972-12-26 | Foster Wheeler Corp | Cooling tube ferrule |
US3903964A (en) * | 1973-05-15 | 1975-09-09 | Shell Oil Co | Heat exchanger for cooling hot gases |
FR2571839A1 (fr) * | 1984-10-12 | 1986-04-18 | Pecquet Tesson Soc Ind | Perfectionnements aux plaques tubulaires d'echangeurs thermiques |
DE3541887A1 (de) * | 1985-11-27 | 1987-06-04 | Krupp Koppers Gmbh | Waermetauscher zur kuehlung feststoffe enthaltender gase |
EP0277070A1 (fr) * | 1987-01-28 | 1988-08-03 | Jean-Claude Lelant | Plaque tubulaire d'échangeur de générateur thermique |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3150714A (en) * | 1955-09-01 | 1964-09-29 | Ind Co Kleinewefers Konst | Cast heat exchanger tube assembly |
DE1185420B (de) * | 1959-10-06 | 1965-01-14 | Sulzer Ag | Auskleidung zum Schutz von Gegenstaenden, die von schroffen Temperaturaenderungen unterworfenen Medien hohen Druckes durchstroemt werden und gegen solche Temperaturaenderungen empfindlich sind |
US3185210A (en) * | 1962-05-23 | 1965-05-25 | American Schack Company Inc | High temperature recuperator |
GB1259111A (fr) * | 1968-03-15 | 1972-01-05 | ||
SU817396A1 (ru) * | 1979-04-27 | 1981-03-30 | Предприятие П/Я В-2636 | Защитное устройство теплообменныхТРуб |
US4254819A (en) * | 1979-10-12 | 1981-03-10 | Atlantic Richfield Company | Protecting entry portions of tubes of emergency cooling system |
US4294312A (en) * | 1979-11-09 | 1981-10-13 | Borsig Gmbh | Tube-bundle heat exchanger for cooling a medium having a high inlet temperature |
US4585057A (en) * | 1982-09-30 | 1986-04-29 | Krw Energy Systems Inc. | Cooled tubesheet inlet for abrasive fluid heat exchanger |
-
1992
- 1992-04-29 EP EP92107283A patent/EP0567674B1/fr not_active Expired - Lifetime
- 1992-04-29 DE DE92107283T patent/DE59200074D1/de not_active Expired - Lifetime
- 1992-08-18 US US07/931,822 patent/US5246063A/en not_active Expired - Lifetime
- 1992-09-15 JP JP28810592A patent/JP3362170B2/ja not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1222655A (fr) * | 1959-01-19 | 1960-06-13 | Pechiney Prod Chimiques Sa | Perfectionnements aux échangeurs de chaleur |
DE1451225A1 (de) * | 1964-12-19 | 1969-05-14 | Linde Ag | Rohr,insbesondere fuer Roehrenwaermeaustauscher |
DE1601947A1 (de) * | 1968-03-16 | 1970-08-27 | Siegener Ag Geisweid Eisenkons | Waermeaustauscher fuer gasfoermige,staubhaltige und/oder aggressive Bestandteile aufweisende Waermemedien |
FR2075946A1 (fr) * | 1970-01-06 | 1971-10-15 | Surface Tech Corp | |
US3707186A (en) * | 1971-01-18 | 1972-12-26 | Foster Wheeler Corp | Cooling tube ferrule |
US3903964A (en) * | 1973-05-15 | 1975-09-09 | Shell Oil Co | Heat exchanger for cooling hot gases |
FR2571839A1 (fr) * | 1984-10-12 | 1986-04-18 | Pecquet Tesson Soc Ind | Perfectionnements aux plaques tubulaires d'echangeurs thermiques |
DE3541887A1 (de) * | 1985-11-27 | 1987-06-04 | Krupp Koppers Gmbh | Waermetauscher zur kuehlung feststoffe enthaltender gase |
EP0277070A1 (fr) * | 1987-01-28 | 1988-08-03 | Jean-Claude Lelant | Plaque tubulaire d'échangeur de générateur thermique |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0706014A1 (fr) * | 1994-10-07 | 1996-04-10 | ANGELO PO GRANDI CUCINE S.p.A. | Ecran de protection contre la chaleur pour échangeur de chaleur |
DE19534823A1 (de) * | 1995-09-20 | 1997-03-27 | Ruhr Oel Gmbh | Rohrbündel-Wärmeübertrager |
DE19534823C2 (de) * | 1995-09-20 | 2002-08-22 | Ruhr Oel Gmbh | Rohrbündel-Wärmeübertrager |
EP1139056A2 (fr) | 2000-03-28 | 2001-10-04 | Borsig GmbH | Dispositif pour l'entrée de gaz chauds dans les tubes d'une surface chauffante, soudés à la plaque tubulaire d'une chaudière de récupération |
DE10015343A1 (de) * | 2000-03-28 | 2001-10-11 | Bbp Environment Gmbh | Vorrichtung für den Eintritt von Heißgas in mit einer Rohrplatte eines Abhitzekessels verschweißten Heizflächenrohren |
DE10015343C2 (de) * | 2000-03-28 | 2002-05-23 | Borsig Gmbh | Abhitzkessel mit in einer Rohrplatte verschweißten Heizflächenrohren |
EP1139056A3 (fr) * | 2000-03-28 | 2003-08-27 | Borsig GmbH | Dispositif pour l'entrée de gaz chauds dans les tubes d'une surface chauffante, soudés à la plaque tubulaire d'une chaudière de récupération |
DE10028568C1 (de) * | 2000-06-09 | 2001-06-07 | Uwe Schwerdtfeger | Röhrchen-Wärmetauscher |
EP1674815A1 (fr) * | 2004-12-21 | 2006-06-28 | Borsig GmbH | Echangeur de chaleur pour le refroidissement de gaz chargés de particules |
DE102005032118A1 (de) * | 2005-07-07 | 2007-01-11 | Ruhr Oel Gmbh | Rohrbündelwärmeübertrager mit verschleißbeständiger Rohrbodenauskleidung |
WO2007073436A1 (fr) * | 2005-12-20 | 2007-06-28 | Caterpillar Inc. | Echangeur thermique resistant a la corrosion |
US7357126B2 (en) | 2005-12-20 | 2008-04-15 | Caterpillar Inc. | Corrosive resistant heat exchanger |
EP2122013B1 (fr) * | 2007-03-22 | 2015-08-05 | Alstom Technology Ltd | Système d'épuration et de refroidissement des gaz de combustion |
Also Published As
Publication number | Publication date |
---|---|
US5246063A (en) | 1993-09-21 |
DE59200074D1 (de) | 1994-03-31 |
EP0567674B1 (fr) | 1994-02-23 |
JP3362170B2 (ja) | 2003-01-07 |
JPH05306893A (ja) | 1993-11-19 |
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