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DE2615456A1 - Exhaust gas purification - by injecting pressurised oxidising agent into hot spot of exhaust gas pipe - Google Patents

Exhaust gas purification - by injecting pressurised oxidising agent into hot spot of exhaust gas pipe

Info

Publication number
DE2615456A1
DE2615456A1 DE19762615456 DE2615456A DE2615456A1 DE 2615456 A1 DE2615456 A1 DE 2615456A1 DE 19762615456 DE19762615456 DE 19762615456 DE 2615456 A DE2615456 A DE 2615456A DE 2615456 A1 DE2615456 A1 DE 2615456A1
Authority
DE
Germany
Prior art keywords
exhaust gas
exhaust pipe
oxidising agent
hot spot
pipe
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.)
Pending
Application number
DE19762615456
Other languages
German (de)
Inventor
Heinz Gresch
Heinz Hoelter
Heinrich Igelbuescher
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19762615456 priority Critical patent/DE2615456A1/en
Publication of DE2615456A1 publication Critical patent/DE2615456A1/en
Pending legal-status Critical Current

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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/922—Mixtures of carbon monoxide or hydrocarbons and nitrogen oxides
    • B01D53/925—Simultaneous elimination of carbon monoxide or hydrocarbons and nitrogen oxides
    • 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
    • F01N2240/18—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 an adsorber or absorber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

A pressure vessel in the boot of a motor vehicle is filled with a liquid or gaseous oxidising agent (H2O2 and/or K MnO3 or ozone) which can be sprayed through a pipe into the hottest zone of the exhaust pipe. The exhaust pipe is fitted with swirl rings to assist mixing. An engine-driven compressor can produce a jet to assist injection. This greatly reduces the percentage of NOx and CO in the exhaust gases. Method is simple and can be applied to all internal combustion engines to meet the new anti-pollution regulations.

Description

Beschreibung und Erläuterung zur PatentanmeldungDescription and explanation of the patent application

"Oxidation von NOx und Reduzierung von CO bei Verbrennungsmotoren, vorzugsweise zur Reinigung der Abgase bei Kraftfahrzeug-Motoren" Der Anteil von NOx und CO soll bei den Straßenfahrzeugen, die mit Verbrennungsmotoren fahren, wesentlich herabgesetzt werden."Oxidation of NOx and reduction of CO in internal combustion engines, preferably for cleaning the exhaust gases of motor vehicle engines "The proportion of NOx and CO are said to be essential in road vehicles that run on internal combustion engines be reduced.

Um eine einfache Methode zur Minderung der Schadstoffe möglich zu machen, wird erfindungsgemäß vorgeschlagen, ein Verfahren zu wählen, daß dadurch gekennzeichnet ist, daß man flüssige bzw. gasförmige, komprimierte Oxidationsmittel, wie H202, Kalium-Permanganat bzw. Ozon, die in einer Flasche oder in einem Behälter im Kofferraum lagern, mittels Leitung im Bereich der heißen Abgasübergabe vom Verbrennungsmotor in die Abgasleitung, vorzugsweise zum Schalldämpfer, aufgibt.To have a simple method of reducing the pollutants possible too make, it is proposed according to the invention to choose a method that thereby is characterized in that liquid or gaseous, compressed oxidizing agents, like H202, potassium permanganate or ozone, which are in a bottle or in a container Store in the trunk, by means of a line in the area of the hot exhaust gas transfer from the internal combustion engine in the exhaust pipe, preferably to the muffler, gives up.

Die Abgasleitung wird erfindungsgemäß weiterhin mit Randabstreifringen versehen, um eine bessere Verwirbelung der Oxidationsmittel in der Abgasleitung zu erzielen, und erfindungsgemäß wird das Oxidationsmittel unmittelbar hinter dem Motorblock eingesprüht, so daß eine genügend lange Reaktionsstrecke zur Vernichtung der Schadstoffe gewährleistet und bereits im Bereich des Schalldämpfers die Reaktion abgeschlossen, und das Abgas nur noch mit Stickstoff N und CO2 Spuren von NOx und CO belastet ist.According to the invention, the exhaust line is still provided with edge scraper rings provided to better turbulence of the oxidizing agent in the exhaust pipe to achieve, and according to the invention, the oxidizing agent is immediately behind the Engine block sprayed, so that a long enough reaction path for destruction the pollutants and the reaction already in the area of the silencer completed, and the exhaust gas only with nitrogen N and CO2 traces is polluted by NOx and CO.

In der beiliegenden Zeichnung ist die verfahrenstechnische Vorrichtung erfindungsgemäß dargestellt: Mit (1) das Kraftfahrzeug mit (2) der Abgasstutzen am Verbrennungsmotor mit (3) die Reaktionsstrecke, die gleichzeitig das Verbindungsrohr zwischen Abgasstutzen und Schalldämpfer darstellt mit (4) die Rohrabstreifringe mit (5) der Schalldämpfer mit (6) die Druckflasche mit Inhalt des Oxidationsmittels mit (7) die Oxidationsmittelleitung mit (8) die Einsprühstelle des Oxidationsmittels.In the accompanying drawing is the procedural device Represented according to the invention: With (1) the motor vehicle with (2) the exhaust nozzle on the combustion engine with (3) the reaction section, which is also the connecting pipe Between the exhaust gas nozzle and the silencer, (4) represents the pipe scraper rings with (5) the silencer with (6) the pressure bottle with the contents of the oxidizing agent with (7) the oxidizing agent line with (8) the point where the oxidizing agent is sprayed.

Selbstverständlich ist die Erfindung nicht auf die vorstehend im einzelnen dargestellten Ausbildungsformen beschränkt, sondern es sind zahlreiche Abänderungen möglich, ohne jedoch von dem Grundgedanken abzuweichen, als Oxidationsmittel ein flüssiges komprimiertes Medium zu benutzen, das im Bereich der höchsten Temperatur des Abgasrohres erfindungsgemäß eingesprüht wird, und im Abgasrohr. selbst Wandabstreif- und Verwirbelungsringe eingebaut sind, die eine gute Vermischung des Oxidationsmittels mit dem zu reinigenden Abgas bewirken.Of course, the invention is not limited to the above in detail The forms of training shown are limited, but there are numerous changes possible, but without deviating from the basic idea, as an oxidizing agent To use liquid compressed medium that is in the range of the highest temperature of the exhaust pipe is sprayed according to the invention, and in the exhaust pipe. even wall scraper and vortex rings are built in to ensure good mixing of the oxidizing agent with the exhaust gas to be cleaned.

Das Zudosieren des Oxidationsmittels wird vorzugsweise mit dem Einschalten des Motors steuertechnisch verriegelt.The metering in of the oxidizing agent is preferably carried out when the system is switched on of the motor locked by the control system.

Es wird weiterhin erfindungsgemäß vorgeschlagen, zur Überwindung der Druckverluste in der Oxidationsstrecke und im Schalldämpfer selbst vom Motor selber über eine angetriebene Kompressoreinrichtung eine notwendige Injektorstrahlung zu erzeugen, um die Oxidation der Gase in der Oxidationsstrecke zu ermöglichen.It is also proposed according to the invention to overcome the Pressure losses in the oxidation section and in the muffler itself from the engine itself A necessary injector radiation is supplied via a driven compressor device generate to enable the oxidation of the gases in the oxidation zone.

Durch diese erfindungsgemäße Vorrichtung können die bisher gebräuchlichen Otto-Motoren uneingeschränkt Anwendung finden.With this device according to the invention, the previously common Otto engines can be used without restriction.

Patentanspruch:Claim:

Claims (1)

Patentanspruch: Verfahren zur Reinigung von Abgasen von Verbrennungskraftmaschinen, dadurch gekennzeichnet, daß ein Druckbehälter gefüllt ist mit flüssigem bzw. gasförmigem Absorptionsmittel, vorzugsweise Wasserstoffsuper- bzw. Peroxyd und/oder Kalium-Permanganat bzw. Ozon, im Kofferraum des Fahrzeuges untergebracht, und das mittels Steuerung beim Einschalten des Kraftfahrzeuges in die heißeste Zone des Abgasrohres eingesprüht wird, das Abgasrohr selber vorzugsweise mit Wandabstreif- und Verwirbelungsringen zur Aktivierung der Oxidation versehen ist und mittels Treibstrahl, vorzugsweise vom eigenen Motor selbst erzeugt, z.B. über Luftkompressoreneinrichtung, die Oxidation über den Druckverlust betrieben und beschleunigt wird.Claim: Process for cleaning exhaust gases from internal combustion engines, characterized in that a pressure vessel is filled with liquid or gaseous Absorbent, preferably hydrogen superoxide or peroxide and / or potassium permanganate or ozone, housed in the trunk of the vehicle, and that by means of a controller sprayed into the hottest zone of the exhaust pipe when the vehicle is switched on is, the exhaust pipe itself preferably with wall scraper and vortex rings is provided to activate the oxidation and by means of propulsion jet, preferably generated by its own engine, e.g. via an air compressor device, the oxidation is operated and accelerated via the pressure loss.
DE19762615456 1976-04-09 1976-04-09 Exhaust gas purification - by injecting pressurised oxidising agent into hot spot of exhaust gas pipe Pending DE2615456A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19762615456 DE2615456A1 (en) 1976-04-09 1976-04-09 Exhaust gas purification - by injecting pressurised oxidising agent into hot spot of exhaust gas pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762615456 DE2615456A1 (en) 1976-04-09 1976-04-09 Exhaust gas purification - by injecting pressurised oxidising agent into hot spot of exhaust gas pipe

Publications (1)

Publication Number Publication Date
DE2615456A1 true DE2615456A1 (en) 1977-10-27

Family

ID=5974904

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762615456 Pending DE2615456A1 (en) 1976-04-09 1976-04-09 Exhaust gas purification - by injecting pressurised oxidising agent into hot spot of exhaust gas pipe

Country Status (1)

Country Link
DE (1) DE2615456A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3514151A1 (en) * 1985-04-19 1986-10-23 LEISTRITZ Maschinenfabrik GmbH, 8500 Nürnberg Apparatus for the continuous cleaning of particle filters, in particular for diesel engine exhaust gas filters
DE4216772A1 (en) * 1992-05-21 1993-12-16 Ftu Forschung Und Tech Entwick Pre-purified gas or waste gas denitrification - by oxidising nitric oxide to nitrogen di:oxide or nitric acid with hydrogen peroxide and absorption on calcium hydroxide powder, avoiding di:nitrogen oxide formation
US6546717B1 (en) 1998-01-19 2003-04-15 Johnson Matthey Public Limited Company Combatting air pollution

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3514151A1 (en) * 1985-04-19 1986-10-23 LEISTRITZ Maschinenfabrik GmbH, 8500 Nürnberg Apparatus for the continuous cleaning of particle filters, in particular for diesel engine exhaust gas filters
DE4216772A1 (en) * 1992-05-21 1993-12-16 Ftu Forschung Und Tech Entwick Pre-purified gas or waste gas denitrification - by oxidising nitric oxide to nitrogen di:oxide or nitric acid with hydrogen peroxide and absorption on calcium hydroxide powder, avoiding di:nitrogen oxide formation
US6546717B1 (en) 1998-01-19 2003-04-15 Johnson Matthey Public Limited Company Combatting air pollution
US6948308B2 (en) 1998-01-19 2005-09-27 Johnson Matthey Public Limited Company Combatting air pollution

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