EP0974803A2 - Wärmetauscher zum Kühlen eines heissen Prozessgases - Google Patents
Wärmetauscher zum Kühlen eines heissen Prozessgases Download PDFInfo
- Publication number
- EP0974803A2 EP0974803A2 EP99113759A EP99113759A EP0974803A2 EP 0974803 A2 EP0974803 A2 EP 0974803A2 EP 99113759 A EP99113759 A EP 99113759A EP 99113759 A EP99113759 A EP 99113759A EP 0974803 A2 EP0974803 A2 EP 0974803A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- process gas
- heat exchanger
- tube
- 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
-
- 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 a 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 produced 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.
- They are also heat exchangers known, in which the tubes spiral as coils are trained. All of these are heat exchangers specifically expensive and only time-consuming to maintain repair.
- the invention has for its object the generic Train heat exchangers so that they can be used for different purposes 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 that 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 Ammonia, methanol or hydrogen can be connected.
- 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 recess 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 Inner diameter as the cooling tubes 11.
- Each Connection tube 22 projects with a radial and axial distance in 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 to the lower Water chamber 13 and welded to the transition line 4 is.
- connection pipes 22 The entry-side, widening end of the Connection pipes 22 is in the inner lining 5 of the Transition line 4 is held and is via 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)
Abstract
Description
- Fig. 1
- einen Wärmetauscher mit vorgeschaltetem Prozeßgaserzeuger in perspektivischer Darstellung,
- Fig. 2
- teilweise in Ansicht und teilweise im Längsschnitt den Wärmetauscher mit vorgeschaltetem Prozeßgaserzeuger nach Fig. 1,
- Fig. 3
- den Schnitt III - III nach Fig. 2 und
- Fig. 4
- die Einzelheit Z nach Fig. 1.
Claims (4)
- Wärmetauscher zum Kühlen eines in einem Prozeßgaserzeuger (1) oder einem Reaktor erzeugten, heißen Prozeßgases mit mehreren von jeweils einem Außenrohr (12) umgebenen Kühlrohren (11), wobei jedes Kühlrohr (11) und jedes Außenrohr (12) an beiden Enden an je eine Wasserkammer (13, 14) zur Zuführung und Abführung eines Kühlmediums angeschweißt ist und die Wasserkammer (13, 14) aus einem massiven, streifenförmigen Stück besteht, in das entsprechend der Anzahl der Kühlrohre (11) in einem Abstand voneinander kreisförmige Vertiefungen (15) eingebracht sind, wobei jede Vertiefung (15) ein Kühlrohr (11) umgibt und einen Durchmesser aufweist, der gleich dem oder größer als der Innendurchmesser des Außenrohres (12) ist und die Vertiefung (15) im Bereich der Rohrenden der Kühlrohre (11) einen dünnen, ringförmigen Boden (16) mit einer geringen Restwanddicke aufweist, dadurch gekennzeichnet, daß an den Prozeßgaserzeuger (1) eine horizontale, das heiße Prozeßgas führende Übergangsleitung (4) angeschlossen ist, daß koaxial zu jedem Kühlrohr (11) ein Verbindungsrohr (22) angeordnet ist, das einerseits in das Kühlrohr (11) eingreift und andererseits von der Übergangsleitung (4) ausgeht.
- Wärmetauscher nach Anspruch 1, dadurch gekennzeichnet, daß die Übergangsleitung (4) mit einer feuerfesten Innenauskleidung (5) versehen und jedes Verbindungsrohr (22) von einer feuerfesten Schicht (25) umgeben ist.
- Wärmetauscher nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß ein Ende jedes Kühlrohres (11) in einer Rohrerweiterung (24) endet, die in den dünnen Boden (16) eingeschweißt ist und daß jeweils ein Verbindungsrohr (22) mit radialem und axialem Abstand in die Rohrerweiterung (24) hineinragt.
- Wärmetauscher nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Übergangsleitung (4) mit einem Brenner verbunden ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833004A DE19833004A1 (de) | 1998-07-22 | 1998-07-22 | Wärmetauscher zum Kühlen eines heißen Prozeßgases |
DE19833004 | 1998-07-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0974803A2 true EP0974803A2 (de) | 2000-01-26 |
EP0974803A3 EP0974803A3 (de) | 2000-12-20 |
EP0974803B1 EP0974803B1 (de) | 2003-01-15 |
Family
ID=7874941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99113759A Expired - Lifetime EP0974803B1 (de) | 1998-07-22 | 1999-07-14 | Wärmetauscher zum Kühlen eines heissen Prozessgases |
Country Status (6)
Country | Link |
---|---|
US (1) | US6148908A (de) |
EP (1) | EP0974803B1 (de) |
JP (1) | JP2000065487A (de) |
AT (1) | ATE231233T1 (de) |
DE (2) | DE19833004A1 (de) |
ES (1) | ES2191388T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008033193A1 (en) * | 2006-09-13 | 2008-03-20 | Exxonmobil Chemical Patents Inc. | Quench exchanger with extended surface on process side |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2274724A1 (en) * | 1999-06-16 | 2000-12-16 | Andre Landry | Freeze-protected steam operated heat exchanger |
JP2007501373A (ja) * | 2003-08-06 | 2007-01-25 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | 高温ガスの冷却装置及び方法 |
US7465388B2 (en) * | 2005-07-08 | 2008-12-16 | 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 |
US7749372B2 (en) * | 2005-07-08 | 2010-07-06 | 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 |
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 |
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4445687A1 (de) | 1994-12-21 | 1996-06-27 | Borsig Babcock Ag | Wärmetauscher zum Kühlen von Spaltgas |
DE19622139A1 (de) | 1994-12-21 | 1997-12-04 | Borsig Babcock Ag | Wärmetauscher zum Kühlen von Spaltgas |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1590170A (de) * | 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 |
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 |
-
1998
- 1998-07-22 DE DE19833004A patent/DE19833004A1/de not_active Withdrawn
-
1999
- 1999-06-22 US US09/338,000 patent/US6148908A/en not_active Expired - Fee Related
- 1999-07-14 ES ES99113759T patent/ES2191388T3/es not_active Expired - Lifetime
- 1999-07-14 EP EP99113759A patent/EP0974803B1/de not_active Expired - Lifetime
- 1999-07-14 DE DE59904023T patent/DE59904023D1/de not_active Expired - Fee Related
- 1999-07-14 AT AT99113759T patent/ATE231233T1/de not_active IP Right Cessation
- 1999-07-21 JP JP11206866A patent/JP2000065487A/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4445687A1 (de) | 1994-12-21 | 1996-06-27 | Borsig Babcock Ag | Wärmetauscher zum Kühlen von Spaltgas |
DE19622139A1 (de) | 1994-12-21 | 1997-12-04 | Borsig Babcock Ag | Wärmetauscher zum Kühlen von Spaltgas |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008033193A1 (en) * | 2006-09-13 | 2008-03-20 | Exxonmobil Chemical Patents Inc. | Quench exchanger with extended surface on process side |
US7758823B2 (en) | 2006-09-13 | 2010-07-20 | Exxonmobil Chemical Patents Inc. | Quench exchange with extended surface on process side |
Also Published As
Publication number | Publication date |
---|---|
ES2191388T3 (es) | 2003-09-01 |
US6148908A (en) | 2000-11-21 |
EP0974803A3 (de) | 2000-12-20 |
ATE231233T1 (de) | 2003-02-15 |
DE19833004A1 (de) | 2000-01-27 |
DE59904023D1 (de) | 2003-02-20 |
JP2000065487A (ja) | 2000-03-03 |
EP0974803B1 (de) | 2003-01-15 |
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