EP2016994A3 - Mixer for gaseous media and method for mixing gaseous media - Google Patents

Mixer for gaseous media and method for mixing gaseous media Download PDF

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Publication number
EP2016994A3
EP2016994A3 EP08012921A EP08012921A EP2016994A3 EP 2016994 A3 EP2016994 A3 EP 2016994A3 EP 08012921 A EP08012921 A EP 08012921A EP 08012921 A EP08012921 A EP 08012921A EP 2016994 A3 EP2016994 A3 EP 2016994A3
Authority
EP
European Patent Office
Prior art keywords
gaseous media
mixer
mixing
inlet openings
tube
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.)
Withdrawn
Application number
EP08012921A
Other languages
German (de)
French (fr)
Other versions
EP2016994A2 (en
Inventor
Florian Virchow
Thomas Ermschel-Fehlig
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.)
Motortech GmbH
Original Assignee
Motortech GmbH
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 Motortech GmbH filed Critical Motortech GmbH
Publication of EP2016994A2 publication Critical patent/EP2016994A2/en
Publication of EP2016994A3 publication Critical patent/EP2016994A3/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/10—Mixing gases with gases
    • 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
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • 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
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)

Abstract

Die Erfindung bezieht sich auf einem Mischer für gasförmige Medien mit einem Venturi-Rohr, durch das in Rohrachsrichtung ein Gas strömt und in dessen Bereich mit verengtem Querschnitt (7) an der Rohrwand Eintrittsöffnungen (8) für beizumischendes Gas vorgesehen sind, wobei die Durchlassquerschnitte (21) der Eintrittsöffnungen (8) im Betrieb während des Mischungsvorganges mittels Regelgliedern (14) veränderbar sind und ein Verfahren unter Einsatz des Mischers.

Figure imgaf001
The invention relates to a mixer for gaseous media with a Venturi tube through which a gas flows in the tube axis direction and in the region of narrowed cross-section (7) on the tube wall inlet openings (8) are provided for admixing gas, wherein the passage cross sections ( 21) of the inlet openings (8) during operation during the mixing process by means of control elements (14) are variable and a method using the mixer.
Figure imgaf001
EP08012921A 2007-07-17 2008-07-17 Mixer for gaseous media and method for mixing gaseous media Withdrawn EP2016994A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007033627A DE102007033627A1 (en) 2007-07-17 2007-07-17 Gases for gaseous media and method for mixing gaseous media

Publications (2)

Publication Number Publication Date
EP2016994A2 EP2016994A2 (en) 2009-01-21
EP2016994A3 true EP2016994A3 (en) 2009-04-01

Family

ID=40148979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012921A Withdrawn EP2016994A3 (en) 2007-07-17 2008-07-17 Mixer for gaseous media and method for mixing gaseous media

Country Status (2)

Country Link
EP (1) EP2016994A3 (en)
DE (1) DE102007033627A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011076106B4 (en) 2011-05-19 2012-12-06 Mtu Friedrichshafen Gmbh Gas mixer, gas mixing system, gas engine
DE102011086321B4 (en) * 2011-11-14 2013-07-25 Mtu Friedrichshafen Gmbh Gas mixer and gas mixing system
CN104275102A (en) * 2013-07-02 2015-01-14 德昌电机(深圳)有限公司 Venturi mixer
GB2544325B (en) * 2015-11-13 2017-11-22 Caterpillar Energy Solutions Gmbh A mixer with variable diameter body in venturi
CN110748440A (en) * 2018-07-23 2020-02-04 重庆科克发动机技术有限公司 Mixer with adjustable air-fuel ratio
WO2020118228A2 (en) * 2018-12-07 2020-06-11 Produced Water Absorbents Inc. Multi-fluid injection mixer and related methods
CN113187591B (en) * 2021-06-16 2022-08-23 一汽解放汽车有限公司 Variable mixer of engine SCR (Selective catalytic reduction) postprocessor and control method thereof

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB123360A (en) * 1918-01-16 1919-02-27 Joseph Maina Improvements in Air and Gas Mixing Chambers for Internal Combustion Engines.
US1366959A (en) * 1919-08-01 1921-02-01 Stanley A Broza Carbureter
DE818593C (en) * 1942-03-01 1951-10-25 Daimler Benz Ag Mixer for air and gas for the operation of motor vehicle internal combustion engines operated in particular with generator gas
CH585064A5 (en) * 1974-10-08 1977-02-28 Lenzburg Sauerstoffwerk Ag Mixing nozzle for balloon gases - e.g. air and helium, having variable mixture ratio control valve
DE2708824A1 (en) * 1977-03-01 1978-09-07 Siemens Ag Fuel air mixing and metering system - has gas fed to chambers formed between two plates located downstream to air distributor plate
US4991561A (en) * 1990-02-02 1991-02-12 N I S Pri Vtu "Angel Kantschev" Gas-air mixer
WO1999019057A1 (en) * 1997-10-14 1999-04-22 Kvaerner Pulping Ab Method and apparatus for introduction of a first fluid into a second fluid
US20060153002A1 (en) * 2005-01-10 2006-07-13 Mr. Peter Ryan Jet Mixer With Adjustable Orifices
US20070074452A1 (en) * 2005-09-30 2007-04-05 Continental Controls Corporation Gaseous fuel and air mixing venturi device and method for carburetor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE308561C (en) *
NL60784C (en) * 1942-02-13 1947-10-15

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB123360A (en) * 1918-01-16 1919-02-27 Joseph Maina Improvements in Air and Gas Mixing Chambers for Internal Combustion Engines.
US1366959A (en) * 1919-08-01 1921-02-01 Stanley A Broza Carbureter
DE818593C (en) * 1942-03-01 1951-10-25 Daimler Benz Ag Mixer for air and gas for the operation of motor vehicle internal combustion engines operated in particular with generator gas
CH585064A5 (en) * 1974-10-08 1977-02-28 Lenzburg Sauerstoffwerk Ag Mixing nozzle for balloon gases - e.g. air and helium, having variable mixture ratio control valve
DE2708824A1 (en) * 1977-03-01 1978-09-07 Siemens Ag Fuel air mixing and metering system - has gas fed to chambers formed between two plates located downstream to air distributor plate
US4991561A (en) * 1990-02-02 1991-02-12 N I S Pri Vtu "Angel Kantschev" Gas-air mixer
WO1999019057A1 (en) * 1997-10-14 1999-04-22 Kvaerner Pulping Ab Method and apparatus for introduction of a first fluid into a second fluid
US20060153002A1 (en) * 2005-01-10 2006-07-13 Mr. Peter Ryan Jet Mixer With Adjustable Orifices
US20070074452A1 (en) * 2005-09-30 2007-04-05 Continental Controls Corporation Gaseous fuel and air mixing venturi device and method for carburetor

Also Published As

Publication number Publication date
EP2016994A2 (en) 2009-01-21
DE102007033627A1 (en) 2009-01-22

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