EP1332277B1 - Verfahren zur reinigung eines partikelfilters - Google Patents
Verfahren zur reinigung eines partikelfilters Download PDFInfo
- Publication number
- EP1332277B1 EP1332277B1 EP01993748A EP01993748A EP1332277B1 EP 1332277 B1 EP1332277 B1 EP 1332277B1 EP 01993748 A EP01993748 A EP 01993748A EP 01993748 A EP01993748 A EP 01993748A EP 1332277 B1 EP1332277 B1 EP 1332277B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filter material
- liquid
- cleaning
- internal combustion
- combustion engine
- 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
Links
Images
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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0233—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles periodically cleaning filter by blowing a gas through the filter in a direction opposite to exhaust flow, e.g. exposing filter to engine air intake
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/30—Exhaust treatment
Definitions
- the invention relates to a method for cleaning a particulate filter in the exhaust system of an internal combustion engine, in particular a self-igniting internal combustion engine, wherein the particulate filter is a filter housing has, in the exhaust gas flow through the filter material is used, wherein excreted from the exhaust gas on the filter material (Soot) particles and ash adhere and the If necessary, incurred ashes by means of the filter material conductive liquid can be washed out.
- the filter material Soot
- the cleaning takes place in such a way that first the filter material by closing the drain for the aqueous solution is completely flooded, then wait until the ash has separated from the filter material and finally by opening the drain the aqueous solution together with the dissolved one Ash is removed from the filter material.
- the filter material is dried with compressed air.
- the invention is based on the object, a method for cleaning specify a particulate filter of inorganic residues, that is effective and easy to apply.
- the filter material alternately subjected to pressure and high flow rate becomes.
- the ashes and also at least partially the (soot) particles much more effective, namely faster, more complete and gentler for the filter material washed out of this than was previously possible.
- the ashes originated can be due to chemical reactions originated from stored in the filter material but also within the internal combustion engine through reactions formed by substances contained in the fuel and lubricating oil have been.
- the filter material with subjected to a two-phase flow of the liquid. The liquid So it is in its liquid phase and its gaseous phase passed through the filter material.
- the setting the gaseous phase may, for example, be in the form that after heating the liquid to the area of Boiling point, a part of the liquid is removed and, for example in a separate container or container part in its vapor state is transferred.
- the filter material alternately from a gas and the liquid flows through.
- Gas water vapor, air or exhaust gas during the cleaning process running internal combustion engine used.
- gases can be used, but here have the previously specifically mentioned gases because of their availability. Both Variants are therefore easily applicable and the particulate filter In particular, does not need to be removed from the exhaust system become.
- the tap water Wash-active and especially environmentally friendly substances added. This can be done by creating a corresponding mixture in a corresponding storage container or else by metered Add while passing the tap water through the filter material done.
- the temperature of Liquid during exposure to the filter material to approx. 60 set to 100 ° C.
- This is the setting of the temperature in particular as a function of the current temperature in the filter material. For example, is the temperature in the filter material before or at the beginning of the cleaning process higher than 100 ° C, then the liquid at a low temperature (for example 60 ° C) introduced for cooling the filter material.
- a temperature of less than 100 ° C on the liquid can be introduced in vapor form into the filter material to be condensed within the filter material to produce the favorable for the cleaning process liquid phase.
- the fluctuations of pressure and Flow rate by pulsation of the gas and / or generated by pulsating introduction of the liquid can For example, by clocked actuated valves in the or the supply lines or by appropriately clocked actuated Pumps or compressors done.
- the liquid and / or the gas passed in countercurrent to the exhaust stream through the filter material. This is the preferred embodiment, but also an equal directed flow direction is possible.
- the exhaust gases of the internal combustion engine likewise through the cleaning opening upstream of the particle filter can escape.
- This training is preferred during a workshop cleaning process in the installed state carried out. It is prevented by this training that Water or ash sludge in the internal combustion engine or up to sensitive sensors in the exhaust system. And that's it conceivable, the exhaust gas in this process as the gaseous substance to use the cleaning combination.
- the washed ash in a downstream separator for example in a liquid separator excreted from the liquid and collected.
- the liquid thus stands at least for several wash-outs available while the ashes from the liquid separator is removed and disposed of.
- the cleaning takes place in Framework of a workshop stay or during normal operation or an operational interruption of the internal combustion engine on site.
- the single figure shows a particulate filter housing 1, in which the filter material 2 is used.
- the filter housing 1 is circular cylindrical formed and has annular end pieces 3a, 3b. In these End pieces 3a, 3b open an exhaust gas supply line 4a and an exhaust gas outlet 4b.
- the exhaust gas supply pipe 4a is suitable connected to the internal combustion engine, while the exhaust gas discharge 4b opens into the environment.
- the exhaust gas supply line 4a and the exhaust pipe 4b even more muffler and / or cleaning equipment or exhaust bypasses Be used or exhaust short circuits.
- the filter material 2 are during operation of the internal combustion engine (Soot) particles and ash filtered out of the exhaust. These particles consist mainly of soot and organic Residues. For continuous or discontinuous removal These substances from particulate filters are different methods (so-called regeneration method) available, the time or Operationally performed. For example, the in the filter material 2 deposited particles by burning or chemical processes are at least largely converted to ashes become. Contain the particles emitted by internal combustion engines but also inorganic constituents, mainly oxidation products organometallic lubricating oil and fuel additives as well Wear products. These substances (ashes) are by conventional Procedure not to eliminate. These ashes are washed out of the filter material 2 removed.
- Soot internal combustion engine
- the filter material flows through at least with a liquid which alternately with Pressure and high flow rate through the filter material 2 is headed.
- at least two in the end pieces 3a, 3b further connecting pieces 5a, 5b arranged through which the liquid introduced into the filter housing 1 and discharged again. there the liquid is in countercurrent to the exhaust stream or with the exhaust gas flow through the filter housing 1 passed.
- a check valve 6 which then closes automatically or manually.
- the End pieces 3a, 3b can still further connection piece 7a, 7b inserted be through which the liquid in a different phase state is directed.
- phase state liquid alternately to the in the first phase state liquid through the connecting piece 5a, 5b in and out.
- the liquid is normal Water to which optionally added washing-active substances be, the temperature of the liquid during the action on the filter material 2 preferably controlled in dependence from the filter temperature is 60 to 100 degrees Celsius.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cleaning By Liquid Or Steam (AREA)
Description
Claims (14)
- Verfahren zur Reinigung eines Partikelfilters im Abgassystem einer Brennkraftmaschine, insbesondere einer selbstzündenden Brennkraftmaschine, wobei das Partikelfilter ein Filtergehäuse aufweist, in das vom Abgas durchströmbares Filtermaterial eingesetzt ist, wobei an dem Filtermaterial aus dem Abgas ausgeschiedene (Ruß)-Partikel und Aschen anhaften und wobei die Aschen im Bedarfsfall mittels durch das Filtermaterial leitbare Flüssigkeit auswaschbar sind,
dadurch gekennzeichnet, dass das Filtermaterial (2) abwechselnd durch eine Zweiphasenströmung der Flüssigkeit mit Druck und hoher Strömungsgeschwindigkeit beaufschlagt wird. - Verfahren zur Reinigung eines Partikelfilters im Abgassystem einer Brennkraftmaschine, insbesondere einer selbstzündenden Brennkraftmaschine, wobei das Partikelfilter ein Filtergehäuse aufweist, in das vom Abgas durchströmbares Filtermaterial eingesetzt ist, wobei an dem Filtermaterial aus dem Abgas ausgeschiedene (Ruß)-Partikel und Aschen anhaften und wobei die Aschen im Bedarfsfall mittels durch das Filtermaterial leitbare Flüssigkeit auswaschbar sind,
dadurch gekennzeichnet, dass das Filtermaterial (2), durch alternierende Durchströmung von einem Gas und der Flüssigkeit mit Druck und hoher Strömungsgeschwindigkeit beaufschlagt wird. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet, dass als Gas Wasserdampf, Luft oder das Abgas der beim Reinigungsvorgang laufenden Brennkraftmaschine genutzt wird. - Verfahren nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass als Flüssigkeit Leitungswasser genutzt wird. - Verfahren nach Anspruch 4,
dadurch gekennzeichnet, dass dem Leitungswasser waschaktive Substanzen beigefügt sind. - Verfahren nach Anspruch 4 oder 5,
dadurch gekennzeichnet, dass die Temperatur der Flüssigkeit während der Einwirkung auf das Filtermaterial (2) bei 60 bis 100°C liegt. - Verfahren nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass die Schwankungen von Druck und Strömungsgeschwindigkeit durch Pulsationen des Gasstroms und/oder durch pulsierende Einbringung der Flüssigkeit erzeugt werden. - Verfahren nach Anspruch 6,
dadurch gekennzeichnet, dass die Temperatur der Flüssigkeit insbesondere in Abhängigkeit der Temperatur in dem Filtermaterial (2) einstellbar ist. - Verfahren nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass die Flüssigkeit und/oder das Gas in Gegenstrom zu dem Abgasstrom durch das Filtermaterial (2) geleitet wird. - Verfahren nach Anspruch 9,
dadurch gekennzeichnet, dass die rückgespülten (Ruß)-Partikel zusammen mit den Reinigungsstoffen durch eine dem Partikelfilter vorgeschaltete Reinigungsöffnung austreten können. - Verfahren nach Anspruch 10,
dadurch gekennzeichnet, dass die Brennkraftmaschine beim Reinigungsvorgang in Betrieb ist, wobei die Abgase der Brennkraftmaschine ebenfalls durch die dem Partikelfilter vorgeschaltete Reinigungsöffnung ausströmen. - Verfahren nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass die ausgetriebene Asche in einem nachgeschalteten Abscheider aus der Flüssigkeit ausgeschieden und gesammelt wird. - Verfahren nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass die Reinigung im Rahmen eines Werkstattaufenthaltes erfolgt. - Verfahren nach einem der vorherigen Ansprüche,
dadurch gekennzeichnet, dass die Reinigung während des normalen Einsatzes der Brennkraftmaschine bei normalem Betrieb oder einer Betriebsunterbrechung erfolgt.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10055210 | 2000-11-07 | ||
DE10055210A DE10055210A1 (de) | 2000-11-07 | 2000-11-07 | Verfahren zur Reinigung eines Partikelfilters |
PCT/EP2001/012801 WO2002038921A1 (de) | 2000-11-07 | 2001-11-06 | Verfahren zur reinigung eines partikelfilters |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1332277A1 EP1332277A1 (de) | 2003-08-06 |
EP1332277B1 true EP1332277B1 (de) | 2005-04-13 |
Family
ID=7662479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01993748A Expired - Lifetime EP1332277B1 (de) | 2000-11-07 | 2001-11-06 | Verfahren zur reinigung eines partikelfilters |
Country Status (5)
Country | Link |
---|---|
US (1) | US6926760B2 (de) |
EP (1) | EP1332277B1 (de) |
AT (1) | ATE293208T1 (de) |
DE (2) | DE10055210A1 (de) |
WO (1) | WO2002038921A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4197943B2 (ja) * | 2000-10-31 | 2008-12-17 | フォーレシア・システムズ・デシャップマン | 粒子フィルタの上流面を洗浄する方法 |
EP1455059A1 (de) * | 2003-03-03 | 2004-09-08 | J. Eberspächer GmbH & Co. | Verfahren und Vorrichtung zum Reinigen eines Partikelfilters |
DE10321290B4 (de) * | 2003-05-13 | 2015-05-13 | Daimler Ag | Verfahren zur Reinigung eines Partikelfilters |
US20060117743A1 (en) * | 2004-12-03 | 2006-06-08 | Helmut Swars | Regeneratable particle filter |
US7988020B2 (en) * | 2005-05-02 | 2011-08-02 | Medonyx Inc. | Wearable disinfecting gel dispenser |
US20080034734A1 (en) * | 2006-08-14 | 2008-02-14 | Kevin James Karkkainen | Fuel supply component cleaning system |
US20080035187A1 (en) * | 2006-08-14 | 2008-02-14 | Cory Andrew Brown | Fuel supply component cleaning system |
US8499739B2 (en) | 2006-08-31 | 2013-08-06 | Caterpillar Inc. | Injector having tangentially oriented purge line |
US7721702B2 (en) * | 2006-08-31 | 2010-05-25 | Caterpillar Inc. | Spark plug having separate housing-mounted electrode |
US7849682B2 (en) * | 2006-08-31 | 2010-12-14 | Caterpillar Inc | Exhaust treatment device having a fuel powered burner |
US20080083334A1 (en) * | 2006-10-06 | 2008-04-10 | Pronob Bardhan | Method and system for removing ash from a filter |
GB0816310D0 (en) * | 2008-09-05 | 2008-10-15 | Mtt Technologies Ltd | Filter assembly |
DE102008064540A1 (de) * | 2008-12-19 | 2010-06-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Abgasreinigungsvorrichtung |
DE102009025598A1 (de) † | 2009-06-19 | 2010-12-23 | Tunap Industrie Chemie Gmbh & Co. Produktions Kg | Verfahren und Vorrichtung zur Reinigung von Partikelfiltern in Abgasanlagen von Verbrennungsmotoren |
EP2493590B1 (de) * | 2009-10-26 | 2019-08-14 | Stockforsa Invest AB | Verfahren und system zur reinigung von partikelfiltern |
JP5087100B2 (ja) * | 2010-03-26 | 2012-11-28 | ヤンマー株式会社 | 粒子状物質除去用フィルターの洗浄方法及び洗浄装置 |
US8801818B2 (en) * | 2012-05-14 | 2014-08-12 | Daimler Ag | Method and cleaning device for cleaning and checking a particle filter |
JP5798533B2 (ja) * | 2012-09-05 | 2015-10-21 | 株式会社日本自動車部品総合研究所 | 内燃機関の排気浄化装置 |
WO2016079494A2 (en) | 2014-11-21 | 2016-05-26 | Renishaw Plc | Additive manufacturing apparatus and methods |
US10523136B2 (en) * | 2016-09-26 | 2019-12-31 | Mitsubishi Electric Corporation | Inverter device and method of controlling the same |
CN111875092B (zh) * | 2020-07-14 | 2022-03-04 | 北部湾大学 | 一种渔业养殖尾水处理装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US3242652A (en) * | 1963-02-18 | 1966-03-29 | E Van Noorden Company | Ventilation system for cooking unit |
DE2206675C3 (de) * | 1971-02-15 | 1980-02-21 | Kamakura Kanagawa Aoi Katashi (Japan) | Abgasreinigungsvorrichtung fur Brennkraftmaschinen |
JPS555466A (en) * | 1978-06-27 | 1980-01-16 | Shimizu Constr Co Ltd | Exhaust gas purifier for diesel engine |
DE3316527A1 (de) * | 1983-05-06 | 1984-11-08 | Henkel KGaA, 4000 Düsseldorf | Verfahren zum waschen der filterelemente eines gasfilters und vorrichtung zum durchfuehren des verfahrens |
JPS61192805A (ja) * | 1985-02-20 | 1986-08-27 | Mazda Motor Corp | エンジンの排気ガス浄化用フイルタの再生方法 |
DE3937809A1 (de) * | 1989-11-14 | 1991-05-16 | Schwaebische Huettenwerke Gmbh | Filter zum abscheiden von verunreinigungen |
GB8927933D0 (en) * | 1989-12-11 | 1990-02-14 | Sutcliffe Speakman Plc | Low head cellular filter |
DE4313132C2 (de) * | 1993-04-22 | 1995-04-13 | Mtu Friedrichshafen Gmbh | Verfahren zur Reinigung von Partikelfiltern und Partikelfilter |
AU730692C (en) * | 1997-10-31 | 2001-10-11 | Niro A/S | A method of cleaning a filter unit, and a filter unit for filtering gas |
FR2794992B1 (fr) | 1999-06-17 | 2003-04-04 | Peugeot Citroen Automobiles Sa | Procede et dispositif de nettoyage d'un filtre a particules et procede de traitement d'effluents produits lors du nettoyage |
JP2002201963A (ja) * | 2000-12-28 | 2002-07-19 | Mitsubishi Heavy Ind Ltd | ガスタービン吸気部用のフィルタ及びガスタービン |
DE20117862U1 (de) * | 2001-11-06 | 2003-04-10 | DaimlerChrysler AG, 70567 Stuttgart | Dieselpartikelfilter sowie Dieselmotor mit einem Dieselpartikelfilter |
EP1336729A1 (de) * | 2002-02-14 | 2003-08-20 | Zeuna-Stärker Gmbh & Co Kg | Verfahren und Vorrichtung zum Entfernen von Rückständen aus dem Filterkörper des Partikelfilters der Abgasanlage eines Verbrennungsmotors |
US7025811B2 (en) * | 2002-08-23 | 2006-04-11 | Cleaire Advanced Emission Controls | Apparatus for cleaning a diesel particulate filter with multiple filtration stages |
US6835224B2 (en) * | 2003-01-03 | 2004-12-28 | General Motors Corporation | Open end diesel particulate trap |
JP4048993B2 (ja) * | 2003-04-08 | 2008-02-20 | 日産自動車株式会社 | エンジンの排気浄化装置 |
-
2000
- 2000-11-07 DE DE10055210A patent/DE10055210A1/de not_active Withdrawn
-
2001
- 2001-11-06 EP EP01993748A patent/EP1332277B1/de not_active Expired - Lifetime
- 2001-11-06 DE DE50105917T patent/DE50105917D1/de not_active Expired - Lifetime
- 2001-11-06 WO PCT/EP2001/012801 patent/WO2002038921A1/de active IP Right Grant
- 2001-11-06 AT AT01993748T patent/ATE293208T1/de active
- 2001-11-06 US US10/415,301 patent/US6926760B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2002038921A1 (de) | 2002-05-16 |
EP1332277A1 (de) | 2003-08-06 |
US6926760B2 (en) | 2005-08-09 |
ATE293208T1 (de) | 2005-04-15 |
US20040020193A1 (en) | 2004-02-05 |
DE10055210A1 (de) | 2002-05-08 |
DE50105917D1 (de) | 2005-05-19 |
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