EP3215724A1 - Dispositif de post-traitement des gaz d'échappement et procédé de post-traitement des gaz d'échappement - Google Patents

Dispositif de post-traitement des gaz d'échappement et procédé de post-traitement des gaz d'échappement

Info

Publication number
EP3215724A1
EP3215724A1 EP15781969.9A EP15781969A EP3215724A1 EP 3215724 A1 EP3215724 A1 EP 3215724A1 EP 15781969 A EP15781969 A EP 15781969A EP 3215724 A1 EP3215724 A1 EP 3215724A1
Authority
EP
European Patent Office
Prior art keywords
chamber
exhaust gas
exhaust
sound
aftertreatment device
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.)
Granted
Application number
EP15781969.9A
Other languages
German (de)
English (en)
Other versions
EP3215724B1 (fr
Inventor
Andreas Döring
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.)
MAN Energy Solutions SE
Original Assignee
MAN Diesel and Turbo SE
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 MAN Diesel and Turbo SE filed Critical MAN Diesel and Turbo SE
Publication of EP3215724A1 publication Critical patent/EP3215724A1/fr
Application granted granted Critical
Publication of EP3215724B1 publication Critical patent/EP3215724B1/fr
Not-in-force 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/023—Helmholtz resonators
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/06—Silencing apparatus characterised by method of silencing by using interference effect
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • F01N1/161—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/02—Exhaust filters
    • 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
    • F01N2230/00—Combination of silencers and other devices
    • F01N2230/04—Catalytic converters
    • 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
    • F01N2490/00—Structure, disposition or shape of gas-chambers
    • F01N2490/12—Chambers having variable volumes
    • 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
    • F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
    • F01N2590/02—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for marine vessels or naval applications

Definitions

  • the invention relates to an exhaust aftertreatment device and a method for exhaust aftertreatment.
  • an internal combustion engine can be arranged downstream of exhaust gas aftertreatment assemblies as well as exhaust gas purifying devices such as exhaust gas catalytic converters or exhaust gas scrubbers as well as mufflers.
  • the exhaust gas catalysts are used in particular for the denitrification and / or desulfurization of the exhaust gas and thus the reduction of nitrogen oxide emissions and sulfur oxide emissions.
  • the silencers are used for noise reduction and thus the reduction of noise emissions.
  • mufflers are typically positioned downstream of an exhaust gas purification device and designed as so-called resonance or lambda / 4 silencers, which are based on the fact that chambers of the mufflers have a depth or length adapted to the frequency of exhaust noise to be damped.
  • such mufflers have a narrow-band damping effect, so that in particular in engines that are operated at variable speed and therefore have different exhaust frequencies, sufficient exhaust noise attenuation can not be realized.
  • DE 196 1 1 133 A1 and DE 196 19 173 C1 each disclose mufflers exposed to the exhaust flow, moving parts.
  • the present invention has the object to provide a novel exhaust aftertreatment device and method for exhaust aftertreatment.
  • the exhaust aftertreatment device comprises a housing; an exhaust gas chamber which is defined by the housing and continuously flows through exhaust gas, into which exhaust gas flows via an inlet and from which exhaust gas flows out via an outlet; and a sound-damping chamber defined by the housing and preferably coupled to the exhaust gas chamber via at least one connecting means, in which a fluid or a free-flowing solid having a fill level is received which depends on the frequency of the exhaust gas sound to be damped.
  • the level of the fluid or the free-flowing solid in the muffling chamber coupled with the exhaust gas flowing through the exhaust gas can be continuously adjusted, so that the exhaust muffling effect of the exhaust gas aftertreatment device can be continuously adjusted.
  • the sound damping effect can be flexibly adapted to a wide variety of exhaust sound frequencies to be damped. This is a particularly effective sound damping possible even in internal combustion engines, which are operated with different engine speeds, while avoiding the disadvantages of known from the prior art mufflers with moving parts in the exhaust stream.
  • the level of the fluid which is preferably a liquid, or the free-flowing solid, in which it preferably handles granules, adjustable in the sound-damping chamber via an inlet of the sound-damping chamber and a flow of the sound-damping chamber, wherein, preferably, a control device automatically determines, depending on the frequency of the exhaust gas to be damped, the level of fill level adapted to the frequency to be damped, and sets it automatically via the inlet and / or outlet.
  • the control device depending on the frequency of the exhaust gas to be damped, the level required in the sound-damping chamber for optimal sound damping can be automatically determined and set automatically. This allows effective sound attenuation.
  • the sound-damping chamber is formed in a U-shaped cross-section and has two in a lower portion thereof coupled sub-chambers, wherein a first sub-chamber communicates with the inlet and the outlet of the sound-damping chamber, and wherein a second sub-chamber, with the first Partial chamber is coupled, either open at the top or closed above or closed is formed.
  • a first sub-chamber communicates with the inlet and the outlet of the sound-damping chamber
  • a second sub-chamber, with the first Partial chamber is coupled, either open at the top or closed above or closed is formed.
  • At least one exhaust gas purification device in particular an exhaust gas catalytic converter and / or an exhaust gas scrubber, is arranged in the exhaust gas chamber through which exhaust gas flows.
  • the exhaust gas aftertreatment device according to the invention serves not only for soundproofing but also for exhaust gas purification.
  • the space requirement of such exhaust aftertreatment devices can be reduced.
  • Fig. 1 is a schematic representation of a first exhaust aftertreatment device according to the invention
  • FIG. 2 is a schematic representation of a second exhaust aftertreatment device according to the invention.
  • FIG. 3 shows a detail of a third exhaust gas aftertreatment device according to the invention.
  • FIG. 4 shows a detail of a fourth exhaust gas aftertreatment device according to the invention.
  • the invention relates to an exhaust aftertreatment device for an internal combustion engine, in particular for a heavy fuel oil powered marine diesel engine.
  • FIG. 1 shows a schematic illustration of a first exemplary embodiment of an exhaust gas aftertreatment device 10 according to the invention for an internal combustion engine, in particular for a marine diesel engine operated with heavy oil.
  • the exhaust aftertreatment device 10 comprises a housing 1 1.
  • the housing 11 defines, on the one hand, an exhaust gas chamber 12, through which exhaust gas flows continuously via an inlet 13 and out of which exhaust gas flows through an outlet, and on the other hand, a sound-damping chamber 15.
  • the silencing chamber 15 is coupled to the exhaust chamber 12.
  • a fluid, in particular a liquid, or a free-flowing solid, in particular a granulate, is received in the sound-damping chamber 15 at a level which depends on the frequency of the exhaust gas sound to be damped. If, for example, as a result of a changing load of the internal combustion engine, the frequency of the exhaust gas sound to be damped changes, the damping effect of the exhaust gas aftertreatment device 10 can be adapted to the changing frequency of the exhaust gas sound by simply changing the fill level of the fluid or the free-flowing solid in the sound damping chamber 15. As a result, the damping range or the damping effect of the exhaust aftertreatment device 10 is infinitely adjustable.
  • the fluid which is received in the sound-damping chamber 15 at a defined fill level is preferably water.
  • the free-flowing chamber 15 can also be free-flowing Solid, in particular granules, be included with a dependent on the frequency to be damped exhaust noise level.
  • the liquid or the free-flowing solid of the sound-damping chamber 15 can be supplied via an inlet 16 and can be discharged from the sound-damping chamber 15 via a drain 17. Via the inlet 1 6 and the outlet 17 associated valves 28, 29, the level of the liquid or the free-flowing solid can be adjusted within the sound-damping chamber 15.
  • the sound-damping chamber 15 is coupled to the exhaust gas chamber 12, preferably via at least one connecting means.
  • the exhaust chamber 12 and the sound damping chamber 15 are separated by a common housing wall 18 or a housing wall portion of the housing 1 1, wherein the same are coupled via at least one connecting means formed as a recess 31 in the housing wall 18.
  • the recess 31 is inserted into the housing wall 18 in such a way that it is positioned above the level of the liquid or granulate in the sound-damping chamber 15.
  • a control device 26 which determines automatically depending on the frequency of the exhaust gas to be damped the optimum level for the sound level for the liquid or the free-flowing solid within the sound-damping chamber 15 and automatically adjusts by controlling the valves 28, 29.
  • the frequency of the exhaust gas sound to be damped can be calculated by the control device 26, for example, via a model; on the other hand, it is possible to measure the frequency of the exhaust gas sound to be damped with the aid of a measuring device 30 and to provide the control device 26 with a corresponding measured value ,
  • the measuring device 30 may be, for example, a microcomputer. or also act on one of the exhaust chamber 12 of the exhaust aftertreatment device 10 associated strain gauges.
  • an exhaust gas purification device 27 is disposed within the exhaust chamber 12 of the housing 1 1, which is continuously traversed by exhaust gas, which may be, for example, an exhaust gas catalyst or an exhaust gas scrubber.
  • exhaust gas which may be, for example, an exhaust gas catalyst or an exhaust gas scrubber.
  • One or more exhaust purification devices 27 may be disposed in the exhaust chamber 12.
  • the sound-damping chamber 15 of the housing 1 1 of the exhaust aftertreatment device 10 is particularly filled with water to provide the sound-damping effect.
  • exhaust gas temperatures are in fact well below the boiling point of the water absorbed in the sound-damping chamber 15, so that the evaporation or evaporation of the water in the sound-damping chamber 15 occurring at higher exhaust gas temperatures is of subordinate importance.
  • a free-flowing solid, in particular granules is preferably used in the sound-damping chamber 15 in order to provide the desired sound-damping effect in the desired frequency range above the level in the sound-damping chamber 15.
  • the chambers namely the exhaust chamber 12 and / or the sound damping chamber 15, or the same limiting housing walls of the housing inside and / or outside be provided with an absorbent or clad.
  • FIG. 2 shows a schematic representation of an exhaust aftertreatment device 10 according to the invention according to a second exemplary embodiment of the invention, wherein to avoid unnecessary repetitions for the same assemblies same reference numerals are used. In the following, only differences between the exemplary embodiments of FIGS. 1 and 2 will be discussed.
  • the sound-damping chamber 15 comprises two sub-chambers 19, 20, which are coupled in lower regions 21, 22 to form a cross-sectionally U-shaped sound-damping chamber 15.
  • the first sub-chamber 20 of the sound-damping chamber 15 communicates with the inlet 1 6 and the outlet 17 and is coupled to the exhaust chamber 12 via at least one recess 31 in the housing wall 18, which separates the first sub-chamber 20 from the exhaust chamber 12.
  • the second sub-chamber 19, which is coupled to the first sub-chamber 20 in the lower portion 21, is open in Fig. 2 at the upper end 23. Then, when in Fig.
  • a liquid for example water
  • Exhaust gas which flows through the exhaust chamber 12 of the housing 1 1, the liquid in the sound attenuation chamber 15 to oscillate, wherein the liquid column located in the second sub-chamber 19 can oscillate freely against the atmosphere, since the second sub-chamber 19 of the flow chamber 15 in the embodiment of FIG 2 is open at the top.
  • silencer chambers 15 may be coupled and the free path may be different above the fluid or granules in the individual chambers 15. So several frequencies can be damped.
  • the flow direction of the exhaust gas through the exhaust chamber 12 is directed from bottom to top, in Fig. 2, the same is directed from top to bottom.
  • this recess 31 is positioned upstream of the exhaust gas purification device 27, viewed in the flow direction of the exhaust gas.
  • Fig. 3 and 4 show modifications of the embodiment of Fig. 2, in which the second sub-chamber 19 is formed closed at the upper end 23, wherein in Fig. 3, the liquid column in the second sub-chamber 19 against an enclosed in the second sub-chamber 19 gas bubble and operates in Fig. 3 against an acted upon by a spring element 25 float 24.
  • a spring element 25 float 24 As a result, even more kinetic energy can be extracted from the oscillating exhaust gas column. As a result, the damping can be further increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

L'invention concerne un dispositif de post-traitement des gaz d'échappement (10) pour un moteur à combustion interne, en particulier pour un moteur Diesel marin à combustion interne. Le dispositif comprend un carter (11), une chambre à gaz d'échappement (12) définie par le carter (11) et traversée en continu par des gaz d'échappement, dans laquelle des gaz d'échappement affluent par une entrée (13) et de laquelle des gaz d'échappement s'échappent par une sortie (14). Le dispositif comprend également une chambre d'insonorisation (15) définie par le carter (11) et couplée à la chambre à gaz d'échappement (12), dans laquelle un fluide ou une substance solide apte à s'écouler est reçu(e) avec un niveau de remplissage qui dépend de la fréquence du bruit des gaz d'échappement à insonoriser.
EP15781969.9A 2014-11-06 2015-10-21 Dispositif de post-traitement de gaz d'échappement et procédé de post-traitement de gaz d'échappement Not-in-force EP3215724B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014016448.9A DE102014016448A1 (de) 2014-11-06 2014-11-06 Abgasnachbehandlungsvorrichtung und Verfahren zur Abgasnachbehandlung
PCT/EP2015/074365 WO2016071112A1 (fr) 2014-11-06 2015-10-21 Dispositif de post-traitement des gaz d'échappement et procédé de post-traitement des gaz d'échappement

Publications (2)

Publication Number Publication Date
EP3215724A1 true EP3215724A1 (fr) 2017-09-13
EP3215724B1 EP3215724B1 (fr) 2018-12-12

Family

ID=54337295

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15781969.9A Not-in-force EP3215724B1 (fr) 2014-11-06 2015-10-21 Dispositif de post-traitement de gaz d'échappement et procédé de post-traitement de gaz d'échappement

Country Status (8)

Country Link
US (1) US10450911B2 (fr)
EP (1) EP3215724B1 (fr)
JP (1) JP6594969B2 (fr)
KR (1) KR102004626B1 (fr)
CN (1) CN107075994B (fr)
DE (1) DE102014016448A1 (fr)
DK (1) DK3215724T3 (fr)
WO (1) WO2016071112A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10941693B2 (en) * 2018-01-18 2021-03-09 Faurecia Emissions Control Technologies, Usa, Llc Vehicle frame with acoustic volume for an exhaust system
US20190292955A1 (en) * 2018-03-20 2019-09-26 Faurecia Emissions Control Technologies, Usa, Llc Method of providing a leak free acoustic volume for a vehicle frame member
CN111434901A (zh) * 2019-01-14 2020-07-21 郑州宇通客车股份有限公司 一种消声器组合试验方法
US11698008B2 (en) * 2020-02-14 2023-07-11 Tenneco Automotive Operating Company Inc. Exhaust device
CN112611106A (zh) * 2020-12-31 2021-04-06 青岛海尔空调电子有限公司 降噪装置、空调器及其降噪方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2297046A (en) * 1939-08-25 1942-09-29 Maxim Silencer Co Means for preventing shock excitation of acoustic conduits or chambers
GB537040A (en) * 1939-11-30 1941-06-06 Ove Petersen Improvements in and relating to two stroke cycle internal combustion engines
JPS5531293B2 (fr) * 1974-08-19 1980-08-16
JPS61129414A (ja) 1984-11-27 1986-06-17 Agency Of Ind Science & Technol 適応型消音装置
JPS6424109A (en) * 1987-07-20 1989-01-26 Sanshin Kogyo Kk Exhaust muffler structure of marine vessel propeller
US5014816A (en) * 1989-11-09 1991-05-14 E. I. Du Pont De Nemours And Company Silencer for gas induction and exhaust systems
US5426269A (en) * 1992-06-02 1995-06-20 Donaldson Company, Inc. Muffler with catalytic converter arrangement; and method
US5732740A (en) * 1995-05-16 1998-03-31 Otis Elevator Company Smart accumulator to attenuate pulses in a hydraulic elevator
GB9522724D0 (en) * 1995-11-06 1996-01-10 Acts Ltd A noise attenuator for an induction system or an exhaust system
DE19611133A1 (de) 1996-03-21 1997-09-25 Eberspaecher J Schalldämpfer-Anordnung
DE19619173C1 (de) 1996-05-11 1997-07-24 Gillet Heinrich Gmbh Schalldämpfer mit variabler Dämpfungscharakteristik
DE10026121A1 (de) 2000-05-26 2001-11-29 Alstom Power Nv Vorrichtung zur Dämpfung akustischer Schwingungen in einer Brennkammer
US7655001B2 (en) * 2001-03-23 2010-02-02 Petrakis Dennis N Temperature responsive systems
JP3992948B2 (ja) * 2001-07-02 2007-10-17 本田技研工業株式会社 ジェット推進艇の排気構造
US6808433B1 (en) * 2003-02-26 2004-10-26 Polaris Industries Inc. Exhaust system located on one side of the hull of a personal watercraft
US20050194207A1 (en) * 2004-03-04 2005-09-08 York International Corporation Apparatus and method of sound attenuation in a system employing a VSD and a quarter-wave resonator
DE102008020721A1 (de) * 2008-04-23 2009-10-29 J. Eberspächer GmbH & Co. KG Schalldämpferbaugruppe für eine Abgasleitung
ES2436434T3 (es) * 2008-06-13 2014-01-02 Yamaha Hatsudoki Kabushiki Kaisha Motor, vehículo, embarcación y método de escape de motor
GB201108917D0 (en) * 2011-05-27 2011-07-13 Rolls Royce Plc A Hydraulic damping apparatus
DE102012217931A1 (de) * 2012-10-01 2014-04-03 Thyssenkrupp Marine Systems Gmbh Unterseeboot

Also Published As

Publication number Publication date
KR20170067892A (ko) 2017-06-16
JP2017531758A (ja) 2017-10-26
DK3215724T3 (da) 2019-03-18
US10450911B2 (en) 2019-10-22
KR102004626B1 (ko) 2019-07-26
JP6594969B2 (ja) 2019-10-23
US20170314434A1 (en) 2017-11-02
EP3215724B1 (fr) 2018-12-12
WO2016071112A1 (fr) 2016-05-12
DE102014016448A1 (de) 2016-05-12
CN107075994B (zh) 2020-02-28
CN107075994A (zh) 2017-08-18

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