EP1930679A1 - Procédé et dispositif de refroidissement de réacteurs à l'aide de liquides en ébullition - Google Patents

Procédé et dispositif de refroidissement de réacteurs à l'aide de liquides en ébullition Download PDF

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Publication number
EP1930679A1
EP1930679A1 EP07121643A EP07121643A EP1930679A1 EP 1930679 A1 EP1930679 A1 EP 1930679A1 EP 07121643 A EP07121643 A EP 07121643A EP 07121643 A EP07121643 A EP 07121643A EP 1930679 A1 EP1930679 A1 EP 1930679A1
Authority
EP
European Patent Office
Prior art keywords
reactor
heat exchanger
cooling
porous
evaporating liquid
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
Application number
EP07121643A
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German (de)
English (en)
Other versions
EP1930679B1 (fr
Inventor
Gerd Kaibel
Dirk Neumann
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.)
BASF SE
Original Assignee
BASF SE
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.)
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Publication date
Application filed by BASF SE filed Critical BASF SE
Priority to EP20070121643 priority Critical patent/EP1930679B1/fr
Publication of EP1930679A1 publication Critical patent/EP1930679A1/fr
Application granted granted Critical
Publication of EP1930679B1 publication Critical patent/EP1930679B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/18—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by applying coatings, e.g. radiation-absorbing, radiation-reflecting; by surface treatment, e.g. polishing
    • F28F13/185—Heat-exchange surfaces provided with microstructures or with porous coatings
    • F28F13/187—Heat-exchange surfaces provided with microstructures or with porous coatings especially adapted for evaporator surfaces or condenser surfaces, e.g. with nucleation sites
    • 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
    • F28D5/00—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, using the cooling effect of natural or forced evaporation
    • 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
    • F28D2021/0022—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for chemical reactors

Definitions

  • the present invention relates to an improved method for cooling a reactor in which an exothermic reaction takes place, wherein within the reactor a heat exchanger dissipates heat produced by means of evaporative cooling.
  • the reaction media present in this case within the reactor can be, for example, gaseous, liquid, gaseous and liquid, liquid with suspended solids or gaseous and liquid with suspended solids.
  • the reactions can be carried out continuously or batchwise.
  • the invention relates to a device for carrying out the method.
  • reactors are used to maintain the desired temperature ranges when carrying out exothermic reactions, which allow an internal or external heat dissipation.
  • reactors with internal heat removal are tube-bundle reactors or reactors with built-in cooling coils, tube registers or plate heat exchangers.
  • the heat of reaction can be dissipated by circulation and recycling of the reaction medium, the cooling can be done by externally mounted heat exchangers of different types. From a reaction engineering point of view, preference is given to reactor designs with internal cooling, since they allow a more precise maintenance of the desired reaction temperatures.
  • Another measure to reduce the investment costs is the replacement of the tube bundles against heat exchanger plates. This design allows lower investment costs. Also for the design with heat exchanger plates is the technically and economically possible maximum pressure level for the generated steam at about 100 bar.
  • the effectiveness of the method according to the invention and the enlargement of the temperature difference made possible here are predetermined by the prevailing general conditions, such as the design of the heat exchanger, type of porous structuring, heat of reaction to be dissipated, and safety-related maximum wall temperatures to be observed, and can be clarified experimentally by a person skilled in the art.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
EP20070121643 2006-12-01 2007-11-27 Procédé et dispositif de refroidissement de réacteurs à l'aide de liquides en ébullition Not-in-force EP1930679B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20070121643 EP1930679B1 (fr) 2006-12-01 2007-11-27 Procédé et dispositif de refroidissement de réacteurs à l'aide de liquides en ébullition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06125203 2006-12-01
EP20070121643 EP1930679B1 (fr) 2006-12-01 2007-11-27 Procédé et dispositif de refroidissement de réacteurs à l'aide de liquides en ébullition

Publications (2)

Publication Number Publication Date
EP1930679A1 true EP1930679A1 (fr) 2008-06-11
EP1930679B1 EP1930679B1 (fr) 2009-07-15

Family

ID=39203324

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070121643 Not-in-force EP1930679B1 (fr) 2006-12-01 2007-11-27 Procédé et dispositif de refroidissement de réacteurs à l'aide de liquides en ébullition

Country Status (1)

Country Link
EP (1) EP1930679B1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321234A (en) * 1979-04-03 1982-03-23 Toyo Engineering Corporation Chemical process and apparatus therefor
US4585055A (en) * 1982-11-19 1986-04-29 Hitachi, Ltd. Liquid film evaporation type heat exchanger
EP0255498A1 (fr) * 1986-07-24 1988-02-03 Eric Granryd Paroi de transfert de chaleur
EP0607839A1 (fr) 1993-01-22 1994-07-27 Wieland-Werke Ag Tube pour échange de chaleur, procédé de fabrication et utilisation d'un tel tube
DE4404357C1 (de) 1994-02-11 1995-03-09 Wieland Werke Ag Wärmeaustauschrohr zum Kondensieren von Dampf
DE10156374C1 (de) 2001-11-16 2003-02-27 Wieland Werke Ag Beidseitig strukturiertes Wärmeaustauscherrohr und Verfahren zu dessen Herstellung
DE10210016A1 (de) 2002-03-07 2003-09-25 Wieland Werke Ag Wärmeaustauschrohr mit berippter Innenoberfläche

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4321234A (en) * 1979-04-03 1982-03-23 Toyo Engineering Corporation Chemical process and apparatus therefor
US4585055A (en) * 1982-11-19 1986-04-29 Hitachi, Ltd. Liquid film evaporation type heat exchanger
EP0255498A1 (fr) * 1986-07-24 1988-02-03 Eric Granryd Paroi de transfert de chaleur
EP0607839A1 (fr) 1993-01-22 1994-07-27 Wieland-Werke Ag Tube pour échange de chaleur, procédé de fabrication et utilisation d'un tel tube
DE4404357C1 (de) 1994-02-11 1995-03-09 Wieland Werke Ag Wärmeaustauschrohr zum Kondensieren von Dampf
DE10156374C1 (de) 2001-11-16 2003-02-27 Wieland Werke Ag Beidseitig strukturiertes Wärmeaustauscherrohr und Verfahren zu dessen Herstellung
DE10210016A1 (de) 2002-03-07 2003-09-25 Wieland Werke Ag Wärmeaustauschrohr mit berippter Innenoberfläche

Also Published As

Publication number Publication date
EP1930679B1 (fr) 2009-07-15

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