IT1403427B1 - STATIC MIXER FOR THE TREATMENT OF EXHAUST GAS AND ITS MANUFACTURING METHOD - Google Patents

STATIC MIXER FOR THE TREATMENT OF EXHAUST GAS AND ITS MANUFACTURING METHOD

Info

Publication number
IT1403427B1
IT1403427B1 ITTO2010A001057A ITTO20101057A IT1403427B1 IT 1403427 B1 IT1403427 B1 IT 1403427B1 IT TO2010A001057 A ITTO2010A001057 A IT TO2010A001057A IT TO20101057 A ITTO20101057 A IT TO20101057A IT 1403427 B1 IT1403427 B1 IT 1403427B1
Authority
IT
Italy
Prior art keywords
manufacturing
treatment
exhaust gas
static mixer
mixer
Prior art date
Application number
ITTO2010A001057A
Other languages
Italian (it)
Inventor
Walter Leone
Giorgio Villata
Piermario Cornaglia
Original Assignee
Metallurg G Cornaglia Spa Off
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 Metallurg G Cornaglia Spa Off filed Critical Metallurg G Cornaglia Spa Off
Priority to ITTO2010A001057A priority Critical patent/IT1403427B1/en
Priority to EP11194926.9A priority patent/EP2476877B1/en
Publication of ITTO20101057A1 publication Critical patent/ITTO20101057A1/en
Application granted granted Critical
Publication of IT1403427B1 publication Critical patent/IT1403427B1/en

Links

Classifications

    • 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
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
    • 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
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4315—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material
    • 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
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/43197—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
    • B01F25/431974—Support members, e.g. tubular collars, with projecting baffles fitted inside the mixing tube or adjacent to the inner wall
    • 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
    • B01F2215/0422—Numerical values of angles
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
ITTO2010A001057A 2010-12-23 2010-12-23 STATIC MIXER FOR THE TREATMENT OF EXHAUST GAS AND ITS MANUFACTURING METHOD IT1403427B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITTO2010A001057A IT1403427B1 (en) 2010-12-23 2010-12-23 STATIC MIXER FOR THE TREATMENT OF EXHAUST GAS AND ITS MANUFACTURING METHOD
EP11194926.9A EP2476877B1 (en) 2010-12-23 2011-12-21 Static mixer for the treatment of exhaust gases and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2010A001057A IT1403427B1 (en) 2010-12-23 2010-12-23 STATIC MIXER FOR THE TREATMENT OF EXHAUST GAS AND ITS MANUFACTURING METHOD

Publications (2)

Publication Number Publication Date
ITTO20101057A1 ITTO20101057A1 (en) 2012-06-24
IT1403427B1 true IT1403427B1 (en) 2013-10-17

Family

ID=43737445

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2010A001057A IT1403427B1 (en) 2010-12-23 2010-12-23 STATIC MIXER FOR THE TREATMENT OF EXHAUST GAS AND ITS MANUFACTURING METHOD

Country Status (2)

Country Link
EP (1) EP2476877B1 (en)
IT (1) IT1403427B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6224569B2 (en) * 2014-10-22 2017-11-01 トヨタ自動車株式会社 Dispersion plate
GB2550173A (en) * 2016-05-11 2017-11-15 Perkins Engines Co Ltd Mixer for after-treatment system
CN108167051A (en) * 2017-12-23 2018-06-15 无锡威孚力达催化净化器有限责任公司 A kind of SCR aftertreatment mixers structure
CN112246102A (en) * 2020-11-03 2021-01-22 艾克赛尔能源科技江苏有限公司 Mixing device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536315A1 (en) * 1985-10-11 1987-04-16 Sueddeutsche Kuehler Behr Catalyst arrangement for the purification of exhaust gases, in particular of an internal combustion engine
DE102006024778B3 (en) 2006-03-02 2007-07-19 J. Eberspächer GmbH & Co. KG Static mixer for exhaust system of internal combustion engine, has flow conducting surfaces arranged at web materials so that surfaces are arranged with cells at their diverting side and extend in direction of flow in tube
US7533520B2 (en) 2006-04-24 2009-05-19 Fleetguard, Inc. Exhaust aftertreatment mixer with stamped muffler flange
DE102007035226A1 (en) * 2007-07-25 2009-01-29 J. Eberspächer GmbH & Co. KG Flow guiding device and thus equipped exhaust system
US8141353B2 (en) 2008-04-25 2012-03-27 Tenneco Automotive Operating Company Inc. Exhaust gas additive/treatment system and mixer for use therein
US8397495B2 (en) 2008-06-26 2013-03-19 Tenneco Automotive Operating Company Inc. Exhaust gas additive/treatment system and mixer for use therein
FR2937692A3 (en) * 2008-10-27 2010-04-30 Renault Sas Fluid e.g. fuel, mixing element i.e. mixer for diesel engine of motor vehicle, has generating unit for generating swirling movement within central flow part of fluid flow channel, and support arms extending diametrically within frame

Also Published As

Publication number Publication date
ITTO20101057A1 (en) 2012-06-24
EP2476877B1 (en) 2015-09-09
EP2476877A1 (en) 2012-07-18

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