EP0974803B1 - Echangeur de chaleur pour refroidir un gaz de traitement chaud - Google Patents

Echangeur de chaleur pour refroidir un gaz de traitement chaud Download PDF

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Publication number
EP0974803B1
EP0974803B1 EP99113759A EP99113759A EP0974803B1 EP 0974803 B1 EP0974803 B1 EP 0974803B1 EP 99113759 A EP99113759 A EP 99113759A EP 99113759 A EP99113759 A EP 99113759A EP 0974803 B1 EP0974803 B1 EP 0974803B1
Authority
EP
European Patent Office
Prior art keywords
cooling
process gas
tube
heat exchanger
gas generator
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
EP99113759A
Other languages
German (de)
English (en)
Other versions
EP0974803A2 (fr
EP0974803A3 (fr
Inventor
Peter Brücher
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.)
Borsig GmbH
Original Assignee
Borsig GmbH
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 Borsig GmbH filed Critical Borsig GmbH
Publication of EP0974803A2 publication Critical patent/EP0974803A2/fr
Publication of EP0974803A3 publication Critical patent/EP0974803A3/fr
Application granted granted Critical
Publication of EP0974803B1 publication Critical patent/EP0974803B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G9/002—Cooling of cracked gases
    • 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
    • F28D7/106—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 consisting of two coaxial conduits or modules of two coaxial conduits
    • 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
    • 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
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • 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 an in a process gas generator or a reactor Process gas with the features of the preamble of Claim 1.
  • Hot process gases in ammonia plants, in methanol plants, in hydrogen plants and in oil or Residual gasification plants are generated in the Downstream reactor heat exchanger cooled.
  • the thermal energy contained in the process gas is recovered, producing high pressure steam.
  • Waste heat exchangers contain a variety of straight bundle tubes through which the process gas flows.
  • the heat of the process gas is applied to the bundle tubes within a pressure jacket, under boiling pressure standing water discharged.
  • the hot process gas is the Waste heat exchanger arranged horizontally or vertically can be, via a connected to the process gas generator Process gas line supplied.
  • the invention has for its object the generic Train heat exchangers so that they can be used for different Processes such as B. in ammonia, in methanol, in Hydrogen plants or in oil or Residue gasification plants or for combustion processes can be used.
  • the connection is made in the heat exchanger according to the invention to the process gas generator via the transition line, the one Construction element is of simple shape.
  • This Transition line does not need to the internal structure of the Process gas generator to be customized, nor does it make one special design of the heat exchanger required.
  • the Heat exchanger can be due to the relatively free Design options can be standardized.
  • the Heat exchanger process gas generators are connected in which run different processes. So he can Heat exchanger for cooling process gases from the Ammonia production, methanol production, the Hydrogen production or oil or residue gasification be used.
  • the connecting pipes between the Transition line and the water chamber prevent that hot process gas hits the bottom of the water chamber.
  • a process gas generator 1 In a process gas generator 1, the z. B. to an oil or Residual gasification plant is heard, hot process gases generated in a downstream heat exchanger 2nd be cooled.
  • the process gas generator 1 is standing Construction and is in its lower part with a Provide gas outlet 3.
  • the heat exchanger 2 can in the same way also a reactor for the production of Be ammonia, methanol or hydrogen downstream.
  • transition line 4 At the gas outlet 3 of the process gas generator 1 is a horizontally arranged transition line 4 of circular Cross section connected.
  • the transition line 4 is with a fireproof, heat-insulating inner lining 5 Mistake.
  • brackets 6 On the outside of the transition line 4 and also the process gas generator 1 brackets 6 are attached with which the transition line 4 and the process gas generator 1 on supports 7 rest.
  • the heat exchanger 2 contains double tubes 8, which are in a row are arranged side by side.
  • the double tubes 8 are through Bandages 9 connected, which rest on carriers 10.
  • Each double tube 8 consists of a cooling tube 11, which in one Distance to form an annular space from an outer tube 12 is surrounded.
  • the outer tube 12 and the cooling tube 11 are on both ends close to a water chamber 13, 14 for Supply and discharge of a cooling medium welded on.
  • the Water chamber 13, 14 consists of a massive, strip-shaped piece in which a distance from each other circular depressions 15 are introduced, each one surrounded only cooling tube 11.
  • the diameter of the depression 15 is equal to or larger than the inside diameter of the Outer tube 12.
  • the recess 15 has in the area of Tube ends of the cooling tubes 11 have a thin, annular bottom 16 with a small remaining wall thickness. In this floor 16 is the cooling tube 11 welded.
  • the outer tube 12 is on the the side facing away from the thin bottom 16 to the water chamber 13, 14 welded.
  • the strip-shaped piece forming the water chamber 13, 14 consists preferably of individual together, e.g. B. by Welding connected sections of rectangular or square cross section. In every section of the water chamber 13, 14 is a single depression surrounding a cooling tube 11 15 introduced.
  • Each depression 15 opens out at the level of the bottom 16 preferably tangentially into a bore 17.
  • the holes 17 are each via connecting piece 18 with a collector 19 for the supply of a cooling medium or with a Steam drum 20 connected to discharge the cooling medium.
  • the Well 15 is provided with a further bore 21 which at the level of the bottom 16 led outwards and with a lockable drain pipe, not shown, is connected.
  • the cooling tubes 11 are on the gas inlet side via z. B. ceramic connecting pipes 22 with the transition line 4 and on the gas outlet side with a gas manifold 23 in Connection.
  • the connecting pipes 22 are coaxial to the Cooling tubes 11 arranged. They preferably have the same Inside diameter as the cooling tubes 11.
  • each Connecting tube 22 projects with a radial and axial distance a tube extension 24 into it, at the inlet end each cooling tube 11 is provided.
  • Each connecting tube 22 is of a refractory, heat insulating layer 25 surrounded. This layer 25 is from enclosed a pipe section 26 which connects to the lower Water chamber 13 and welded to the transition line 4 is.
  • connection tubes 22 The entry-side, widening end of the Connection tubes 22 is in the inner lining 5 of the Transition line 4 is held and is in through an opening 27 in the inner lining 5 with the leading process gas Cross section of the transition line 4 in connection.
  • the process gas generator 1 can also by a gas or Oil burner to be replaced.
  • the Heat exchanger 2 are operated as a fired auxiliary boiler.

Landscapes

  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Claims (4)

  1. Echangeur thermique pour le refroidissement d'un gaz de fabrication chaud, produit dans un générateur de gaz de fabrication (1) ou dans un réacteur, comprenant plusieurs tubes de refroidissement (11) entourés chacun par un tube extérieur (12), chaque tube de refroidissement (11) et chaque tube extérieur (12) étant soudés sur chacune de leurs deux extrémités sur un compartiment d'eau (13, 14) pour l'arrivée et l'évacuation d'un agent réfrigérant, et le compartiment d'eau (13, 14) se composant d'une pièce massive en forme de ruban, dans laquelle sont pratiqués des creux circulaires (15) à distance mutuelle en conformité avec le nombre de tubes de refroidissement (11), chaque creux (15) entourant un tube de refroidissement (11) et présentant un diamètre égal ou supérieur au diamètre intérieur du tube extérieur (12), et le creux (15) présentant dans la zone des extrémités des tubes de refroidissement (11) un mince fond annulaire (16) d'une faible épaisseur de paroi résiduelle, caractérisé par la disposition d'une conduite de passage horizontale (4), véhiculant des gaz de fabrication chauds, qui peut être raccordée au générateur de gaz de fabrication (1), et en ce qu'un tube de jonction (22), disposé de façon coaxiale par rapport à chaque tube de refroidissement (11), s'engage d'un côté dans le tube de refroidissement (11) et part d'un autre côté de la conduite de passage (4).
  2. Echangeur thermique suivant la revendication 1, caractérisé en ce que la conduite de passage (4) est munie d'un garnissage intérieur réfractaire (5) et chaque tube de jonction (22) est entouré d'une couche réfractaire (25).
  3. Echangeur thermique suivant l'une des revendications 1 et 2, caractérisé en ce qu'une extrémité de chaque tube de refroidissement (11) s'achève dans un élargissement de tube (24), qui est soudé dans le fond mince (16), et en ce qu'un tube de jonction (22) pénètre à distance radiale et axiale dans chaque élargissement de tube (24).
  4. Echangeur thermique suivant l'une des revendications 1 à 3, caractérisé en ce que la conduite de passage (4) est raccordée à un brûleur.
EP99113759A 1998-07-22 1999-07-14 Echangeur de chaleur pour refroidir un gaz de traitement chaud Expired - Lifetime EP0974803B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833004 1998-07-22
DE19833004A DE19833004A1 (de) 1998-07-22 1998-07-22 Wärmetauscher zum Kühlen eines heißen Prozeßgases

Publications (3)

Publication Number Publication Date
EP0974803A2 EP0974803A2 (fr) 2000-01-26
EP0974803A3 EP0974803A3 (fr) 2000-12-20
EP0974803B1 true EP0974803B1 (fr) 2003-01-15

Family

ID=7874941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99113759A Expired - Lifetime EP0974803B1 (fr) 1998-07-22 1999-07-14 Echangeur de chaleur pour refroidir un gaz de traitement chaud

Country Status (6)

Country Link
US (1) US6148908A (fr)
EP (1) EP0974803B1 (fr)
JP (1) JP2000065487A (fr)
AT (1) ATE231233T1 (fr)
DE (2) DE19833004A1 (fr)
ES (1) ES2191388T3 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2274724A1 (fr) * 1999-06-16 2000-12-16 Andre Landry Echangeur de chaleur a vapeur protege contre le gel
ES2282893T3 (es) * 2003-08-06 2007-10-16 Shell Internationale Research Maatschappij B.V. Aparato y proceso para enfriar gas caliente.
US7749372B2 (en) * 2005-07-08 2010-07-06 Exxonmobil Chemical Patents Inc. Method for processing hydrocarbon pyrolysis effluent
US7465388B2 (en) * 2005-07-08 2008-12-16 Exxonmobil Chemical Patents Inc. Method for processing hydrocarbon pyrolysis effluent
US7763162B2 (en) 2005-07-08 2010-07-27 Exxonmobil Chemical Patents Inc. Method for processing hydrocarbon pyrolysis effluent
US8524070B2 (en) * 2005-07-08 2013-09-03 Exxonmobil Chemical Patents Inc. Method for processing hydrocarbon pyrolysis effluent
US7780843B2 (en) * 2005-07-08 2010-08-24 ExxonMobil Chemical Company Patents Inc. Method for processing hydrocarbon pyrolysis effluent
DE102006003317B4 (de) * 2006-01-23 2008-10-02 Alstom Technology Ltd. Rohrbündel-Wärmetauscher
US8701748B2 (en) * 2006-02-17 2014-04-22 Exxonmobil Chemical Patents Inc. Outlet fitting for double pipe quench exchanger
EP2069702A1 (fr) * 2006-09-13 2009-06-17 ExxonMobil Chemical Patents Inc. Échangeur de trempe à surface augmentée sur le côté de traitement
IT1403894B1 (it) * 2010-12-29 2013-11-08 Eni Spa Scambiatore di calore per il raffreddamento di gas caldi e sistema di scambio termico
IT201800020257A1 (it) 2018-12-20 2020-06-20 Hexsol Italy Srl Giunzioni per tubi a doppia parete in scambiatori di calore e scambiatori di calore e scambiatori con tali giunzioni

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1590170A (fr) * 1968-09-27 1970-04-13
US4026006A (en) * 1972-06-26 1977-05-31 Moebius Kurt Otto Method of forming a tube joint
NL7500554A (nl) * 1975-01-17 1976-07-20 Shell Int Research Warmtewisselaar en werkwijze voor het koelen van hete gassen.
DE2551195C3 (de) * 1975-11-14 1981-07-02 Schmidt'sche Heissdampf-Gesellschaft Mbh, 3500 Kassel Wärmeaustauscher zum Kühlen von Spaltgasen
JPS6042843B2 (ja) * 1979-07-30 1985-09-25 東洋エンジニアリング株式会社 廃熱ボイラ−
GB2205373B (en) * 1987-05-23 1991-04-24 Mie Horo Co Ltd Method of making piping joints and joining tool
DE4000527A1 (de) * 1990-01-10 1991-07-11 Borsig Babcock Ag Waermetauscher zum kuehlen von heissem reaktionsgas
DE4404068C1 (de) * 1994-02-09 1995-08-17 Wolfgang Engelhardt Wärmetauscher
DE4416932C2 (de) * 1994-05-13 1997-10-16 Shg Schack Gmbh Wärmetauscher
DE19622139A1 (de) * 1994-12-21 1997-12-04 Borsig Babcock Ag Wärmetauscher zum Kühlen von Spaltgas
DE4445687A1 (de) * 1994-12-21 1996-06-27 Borsig Babcock Ag Wärmetauscher zum Kühlen von Spaltgas
US5813453A (en) * 1996-06-01 1998-09-29 Deutsche Babcock-Borsig Ag Heat exchanger for cooling cracked gas
DE19645390C2 (de) * 1996-11-04 2000-01-13 Metallgesellschaft Ag Mittel- oder Hochdruckwärmetauscher mit einer wärmedämmenden Verkleidung
US5690168A (en) * 1996-11-04 1997-11-25 The M. W. Kellogg Company Quench exchanger
US5816322A (en) * 1997-04-18 1998-10-06 Abb Lummus Global Inc. Quench cooler

Also Published As

Publication number Publication date
JP2000065487A (ja) 2000-03-03
DE59904023D1 (de) 2003-02-20
ATE231233T1 (de) 2003-02-15
EP0974803A2 (fr) 2000-01-26
ES2191388T3 (es) 2003-09-01
US6148908A (en) 2000-11-21
EP0974803A3 (fr) 2000-12-20
DE19833004A1 (de) 2000-01-27

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