FR2984953B1 - Module d'injection et de distribution d'un additif dans un flux de gaz - Google Patents

Module d'injection et de distribution d'un additif dans un flux de gaz

Info

Publication number
FR2984953B1
FR2984953B1 FR1162417A FR1162417A FR2984953B1 FR 2984953 B1 FR2984953 B1 FR 2984953B1 FR 1162417 A FR1162417 A FR 1162417A FR 1162417 A FR1162417 A FR 1162417A FR 2984953 B1 FR2984953 B1 FR 2984953B1
Authority
FR
France
Prior art keywords
module
additive
injecting
dispensing
gas stream
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 - Fee Related
Application number
FR1162417A
Other languages
English (en)
Other versions
FR2984953A1 (fr
Inventor
Christophe Choux
Eduardo Alano
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.)
Faurecia Systemes dEchappement SAS
Original Assignee
Faurecia Systemes dEchappement SAS
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 Faurecia Systemes dEchappement SAS filed Critical Faurecia Systemes dEchappement SAS
Priority to FR1162417A priority Critical patent/FR2984953B1/fr
Publication of FR2984953A1 publication Critical patent/FR2984953A1/fr
Application granted granted Critical
Publication of FR2984953B1 publication Critical patent/FR2984953B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01N3/24—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 constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
    • B01F25/31331—Perforated, multi-opening, with a plurality of holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0427—Numerical distance values, e.g. separation, position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2215/00—Auxiliary or complementary information in relation with mixing
    • B01F2215/04—Technical information in relation with mixing
    • B01F2215/0413—Numerical information
    • B01F2215/0418—Geometrical information
    • B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
    • 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
    • F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
    • F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

Module (2) d'injection et de distribution d'un additif dans un flux de gaz, ledit module comprenant un dispositif d'injection (4) de l'additif comportant un tronçon d'injection (9), le tronçon d'injection étant muni d'un orifice d'injection (16), et un dispositif de mélange (6) de l'additif agencé sur le tronçon d'injection. Le module est caractérisé en ce que le dispositif de mélange comprend une bordure plane d'arrêt frontal du flux de gaz, et en ce que ladite bordure présente une arête (19) avec un angle interne inférieur ou égal à 90°.
FR1162417A 2011-12-23 2011-12-23 Module d'injection et de distribution d'un additif dans un flux de gaz Expired - Fee Related FR2984953B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1162417A FR2984953B1 (fr) 2011-12-23 2011-12-23 Module d'injection et de distribution d'un additif dans un flux de gaz

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1162417A FR2984953B1 (fr) 2011-12-23 2011-12-23 Module d'injection et de distribution d'un additif dans un flux de gaz

Publications (2)

Publication Number Publication Date
FR2984953A1 FR2984953A1 (fr) 2013-06-28
FR2984953B1 true FR2984953B1 (fr) 2015-04-10

Family

ID=45688833

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1162417A Expired - Fee Related FR2984953B1 (fr) 2011-12-23 2011-12-23 Module d'injection et de distribution d'un additif dans un flux de gaz

Country Status (1)

Country Link
FR (1) FR2984953B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11828214B2 (en) 2020-05-08 2023-11-28 Cummins Emission Solutions Inc. Configurable aftertreatment systems including a housing
US11982219B2 (en) 2022-11-29 2024-05-14 Cummins Emission Solutions Inc. Systems and methods for mixing exhaust gases and reductant in an aftertreatment system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6484891B2 (ja) * 2015-09-30 2019-03-20 ヤンマー株式会社 排気浄化装置
FR3102684B1 (fr) * 2019-10-31 2021-11-12 Faurecia Systemes Dechappement Dispositif de purification de gaz d’échappement, ligne d’échappement et véhicule associés

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11166410A (ja) * 1997-12-04 1999-06-22 Hino Motors Ltd 排ガス浄化装置
JP4397402B2 (ja) * 2007-04-20 2010-01-13 株式会社日本自動車部品総合研究所 排気浄化装置
JP4787817B2 (ja) * 2007-12-27 2011-10-05 三菱ふそうトラック・バス株式会社 エンジンの排気浄化装置
FR2955266B1 (fr) * 2010-01-18 2012-02-03 Peugeot Citroen Automobiles Sa Dispositif pour le melange entre un flux gazeux principal et un flux gazeux auxiliaire
FI20105451A0 (fi) * 2010-04-26 2010-04-26 Waertsilae Finland Oy Järjestely ja menetelmä pelkistimen sekoittamiseksi pakokaasun kanssa

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11828214B2 (en) 2020-05-08 2023-11-28 Cummins Emission Solutions Inc. Configurable aftertreatment systems including a housing
US11982219B2 (en) 2022-11-29 2024-05-14 Cummins Emission Solutions Inc. Systems and methods for mixing exhaust gases and reductant in an aftertreatment system

Also Published As

Publication number Publication date
FR2984953A1 (fr) 2013-06-28

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