ES2105452T3 - Metodo para la reduccion de la temperatura de encendido de una reaccion catalitica y exotermica. - Google Patents

Metodo para la reduccion de la temperatura de encendido de una reaccion catalitica y exotermica.

Info

Publication number
ES2105452T3
ES2105452T3 ES94114279T ES94114279T ES2105452T3 ES 2105452 T3 ES2105452 T3 ES 2105452T3 ES 94114279 T ES94114279 T ES 94114279T ES 94114279 T ES94114279 T ES 94114279T ES 2105452 T3 ES2105452 T3 ES 2105452T3
Authority
ES
Spain
Prior art keywords
gas
ignition temperature
diameter
channels
reducing
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
ES94114279T
Other languages
English (en)
Inventor
Ivar Ivarsen Primdahl
Thomas Sandahl Christensen
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.)
Topsoe AS
Original Assignee
Haldor Topsoe AS
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 Haldor Topsoe AS filed Critical Haldor Topsoe AS
Application granted granted Critical
Publication of ES2105452T3 publication Critical patent/ES2105452T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion
    • F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2340/00—Dimensional characteristics of the exhaust system, e.g. length, diameter or volume of the exhaust apparatus; Spatial arrangements of exhaust apparatuses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • F01N2350/06—Fitting ceramic monoliths in a metallic housing with means preventing gas flow by-pass or leakage

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Catalysts (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

UN METODO DE REDUCIR TEMPERATURA DE IGNICION DURANTE REACCIONES CATALITICAS EXOTERMICAS EN REACTIVOS GASEOSOS EN UN PROCESO EN QUE ES PASADO GAS A TRAVES DE UNA UNIDAD CATALITICA MONOLITICAMENTE ESTRUCTURADA DOTADA CON UNA PLURALIDAD DE CANALES (2) HIDRAULICOS DE PEQUEÑO DIAMETRO Y UNA PLURALIDAD DE CANALES HIDRAULICOS (4) DE AMPLIO DIAMETRO, CUYO METODO COMPRENDE PASAR UNA PRIMERA PORCION (8) DEL GAS DE PROCESO A TRAVES DE LOS CANALES (2) DE PEQUEÑO DIAMETRO Y UNA SEGUNDA PORCION (10) DEL GAS PROCESADO A TRAVES DE LOS CANALES (4) DE DIAMETRO AMPLIO, DE MODO QUE LA PRIMERA PORCION (8) DEL GAS A UNA REDUCIDA VELOCIDAD DE FLUJO Y UNA ELEVADA PROPORCION DE REACCION EN LA UNIDAD Y EL EXCESO DE CALOR DESARROLLADO DURANTE EL PROCEDIMIENTO DE REACCIONES CATALITICAS A ELEVADA PROPORCION EN LOS CANALES DE PEQUEÑO DIAMETRO ES TRANSFERIDO A LA SEGUNDA PORCION (10) DE GAS PROCESADO PARA REDUCIR LA TEMPERATURA DE IGNICION DEL PROCEDIMIENTO DE REACCIONES CATALITICAS EN LOS CANALES (4) DE DIAMETRO AMPLIO.
ES94114279T 1993-09-27 1994-09-12 Metodo para la reduccion de la temperatura de encendido de una reaccion catalitica y exotermica. Expired - Lifetime ES2105452T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK931089A DK108993D0 (da) 1993-09-27 1993-09-27 Fremgangsmaade til reduktion af taendingstemperatur

Publications (1)

Publication Number Publication Date
ES2105452T3 true ES2105452T3 (es) 1997-10-16

Family

ID=8100874

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94114279T Expired - Lifetime ES2105452T3 (es) 1993-09-27 1994-09-12 Metodo para la reduccion de la temperatura de encendido de una reaccion catalitica y exotermica.

Country Status (5)

Country Link
EP (1) EP0645527B1 (es)
JP (1) JPH07208743A (es)
DE (1) DE69404104T2 (es)
DK (1) DK108993D0 (es)
ES (1) ES2105452T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107828B (fi) * 1999-05-18 2001-10-15 Kemira Metalkat Oy Dieselmoottoreiden pakokaasujen puhdistusjärjestelmä ja menetelmä dieselmoottoreiden pakokaasujen puhdistamiseksi
US6179608B1 (en) * 1999-05-28 2001-01-30 Precision Combustion, Inc. Swirling flashback arrestor
ZA200306075B (en) * 2001-02-16 2004-09-08 Battelle Memorial Institute Integrated reactors, methods of making same, and methods of conducting simultaneous exothermic and endothermic reactions.
DE10219747B4 (de) * 2002-05-02 2005-06-23 Daimlerchrysler Ag Verfahren zur Vermeidung einer Rückzündung in einem einen Reaktionsraum anströmenden Gemisch und Reaktor zur Durchführung des Verfahrens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH086582B2 (ja) * 1986-10-31 1996-01-24 マツダ株式会社 エンジンの排気ガス浄化用触媒装置
DE3828644A1 (de) * 1988-08-24 1990-03-01 Bayerische Motoren Werke Ag Verzweigte abgasleitung einer brennkraftmaschine
DE4024942A1 (de) * 1990-08-06 1992-02-13 Emitec Emissionstechnologie Monolithischer metallischer wabenkoerper mit variierender kanalzahl

Also Published As

Publication number Publication date
EP0645527B1 (en) 1997-07-09
JPH07208743A (ja) 1995-08-11
DE69404104D1 (de) 1997-08-14
DE69404104T2 (de) 1997-10-30
EP0645527A1 (en) 1995-03-29
DK108993D0 (da) 1993-09-27

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