DE3783220D1 - Verfahren zur reduktion des energiebedarfs in mehreinheitenreaktoren fuer die heterogene synthese und verwandte reaktoren. - Google Patents

Verfahren zur reduktion des energiebedarfs in mehreinheitenreaktoren fuer die heterogene synthese und verwandte reaktoren.

Info

Publication number
DE3783220D1
DE3783220D1 DE8787115768T DE3783220T DE3783220D1 DE 3783220 D1 DE3783220 D1 DE 3783220D1 DE 8787115768 T DE8787115768 T DE 8787115768T DE 3783220 T DE3783220 T DE 3783220T DE 3783220 D1 DE3783220 D1 DE 3783220D1
Authority
DE
Germany
Prior art keywords
diameter
height
reactors
wall
reducing energy
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
DE8787115768T
Other languages
English (en)
Other versions
DE3783220T2 (de
Inventor
Umberto Zardi
Giorgio Pagani
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.)
Casale SA
Original Assignee
Ammonia Casale SA
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 Ammonia Casale SA filed Critical Ammonia Casale SA
Publication of DE3783220D1 publication Critical patent/DE3783220D1/de
Application granted granted Critical
Publication of DE3783220T2 publication Critical patent/DE3783220T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0417—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the synthesis reactor, e.g. arrangement of catalyst beds and heat exchangers in the reactor
    • C01C1/0423—Cold wall reactors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0207—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly horizontal
    • B01J8/0214—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly horizontal in a cylindrical annular shaped bed
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
    • C01C1/0447—Apparatus other than synthesis reactors
    • C01C1/0452—Heat exchangers
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Radiation-Therapy Devices (AREA)
DE8787115768T 1986-11-03 1987-10-27 Verfahren zur reduktion des energiebedarfs in mehreinheitenreaktoren fuer die heterogene synthese und verwandte reaktoren. Expired - Lifetime DE3783220T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH433586 1986-11-03

Publications (2)

Publication Number Publication Date
DE3783220D1 true DE3783220D1 (de) 1993-02-04
DE3783220T2 DE3783220T2 (de) 1993-04-29

Family

ID=4274176

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787115768T Expired - Lifetime DE3783220T2 (de) 1986-11-03 1987-10-27 Verfahren zur reduktion des energiebedarfs in mehreinheitenreaktoren fuer die heterogene synthese und verwandte reaktoren.

Country Status (7)

Country Link
US (1) US4935210A (de)
EP (1) EP0269854B1 (de)
CN (1) CN1014206B (de)
AT (1) ATE83684T1 (de)
CA (1) CA1296870C (de)
DE (1) DE3783220T2 (de)
IN (1) IN170364B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68901115D1 (de) * 1988-06-27 1992-05-07 Ammonia Casale Sa Verfahren und reaktor fuer die exotherme heterogene synthese mit hilfe verschiedener katalytischer betten und mit externer rueckgewinnung der reaktionswaerme.
EP0555777B1 (de) * 1992-02-12 1997-07-16 Ammonia Casale S.A. Verfahren zur Modernisierung von Braun-Konvertoren für heterogene Synthese und entspechend modernisierten Konvertoren
US5779988A (en) * 1992-02-12 1998-07-14 Ammonia Casale, S.A. Heterogeneous synthesis method and apparatus including wall temperature protection
EP0650760B1 (de) * 1993-10-29 2001-01-03 Ammonia Casale S.A. Verfahren zur Nachrüstung eines heterogenen exothermischen Synthesereaktors
US5427760A (en) * 1994-02-22 1995-06-27 Brown & Root Petroleum And Chemicals Axial-radial reactors in the braun ammonia synloop with extrnal heat sink

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721532A (en) * 1971-02-08 1973-03-20 Braun Co C Ammonia synthesis system
IT1141102B (it) * 1980-11-28 1986-10-01 Ammonia Casale Sa Reattore assiale-radiale per sintesi eterogenee
US4554135A (en) * 1982-11-26 1985-11-19 C F Braun & Co. Ammonia converter
IN165082B (de) * 1985-05-15 1989-08-12 Ammonia Casale Sa

Also Published As

Publication number Publication date
CA1296870C (en) 1992-03-10
ATE83684T1 (de) 1993-01-15
EP0269854A3 (en) 1989-02-08
US4935210A (en) 1990-06-19
IN170364B (de) 1992-03-21
DE3783220T2 (de) 1993-04-29
EP0269854B1 (de) 1992-12-23
EP0269854A2 (de) 1988-06-08
CN87107596A (zh) 1988-06-08
CN1014206B (zh) 1991-10-09

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