IT201700025322A1 - Serbatoio contenente una soluzione acquosa di urea per un sistema di scarico provvisto di post trattamento dei gas di scarico per un motore a combustione e metodo per realizzare la soluzione acquosa di urea a concentrazione variabile all'interno di detto serbatoio - Google Patents

Serbatoio contenente una soluzione acquosa di urea per un sistema di scarico provvisto di post trattamento dei gas di scarico per un motore a combustione e metodo per realizzare la soluzione acquosa di urea a concentrazione variabile all'interno di detto serbatoio

Info

Publication number
IT201700025322A1
IT201700025322A1 IT102017000025322A IT201700025322A IT201700025322A1 IT 201700025322 A1 IT201700025322 A1 IT 201700025322A1 IT 102017000025322 A IT102017000025322 A IT 102017000025322A IT 201700025322 A IT201700025322 A IT 201700025322A IT 201700025322 A1 IT201700025322 A1 IT 201700025322A1
Authority
IT
Italy
Prior art keywords
urea
tank
aqueous
solution
post
Prior art date
Application number
IT102017000025322A
Other languages
English (en)
Inventor
Cesare Matteo De
Nicola Torcolini
Original Assignee
Magneti Marelli Spa
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 Magneti Marelli Spa filed Critical Magneti Marelli Spa
Priority to IT102017000025322A priority Critical patent/IT201700025322A1/it
Priority to CN201810183256.9A priority patent/CN108571358B/zh
Priority to US15/912,737 priority patent/US10738675B2/en
Priority to BR102018004564-4A priority patent/BR102018004564A2/pt
Priority to EP18160597.3A priority patent/EP3372799B1/en
Priority to EP19184985.0A priority patent/EP3569836B1/en
Publication of IT201700025322A1 publication Critical patent/IT201700025322A1/it

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
    • F01N3/10—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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/2066—Selective catalytic reduction [SCR]
    • 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
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—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
    • 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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion
    • F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. by adjusting the dosing of reducing agent
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/003—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it for fluent solid material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
    • G01F11/28—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
    • G01F11/42—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply or discharge valves of the rotary or oscillatory type
    • G01F11/46—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement with supply or discharge valves of the rotary or oscillatory type for fluent solid material
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/12—Adding substances to exhaust gases the substance being in solid form, e.g. pellets or powder
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1406—Storage means for substances, e.g. tanks or reservoirs
    • F01N2610/142—Controlling the filling of the tank
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1486—Means to prevent the substance from freezing
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1811—Temperature
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1814—Tank level
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1818—Concentration of the reducing agent
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
IT102017000025322A 2017-03-07 2017-03-07 Serbatoio contenente una soluzione acquosa di urea per un sistema di scarico provvisto di post trattamento dei gas di scarico per un motore a combustione e metodo per realizzare la soluzione acquosa di urea a concentrazione variabile all'interno di detto serbatoio IT201700025322A1 (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT102017000025322A IT201700025322A1 (it) 2017-03-07 2017-03-07 Serbatoio contenente una soluzione acquosa di urea per un sistema di scarico provvisto di post trattamento dei gas di scarico per un motore a combustione e metodo per realizzare la soluzione acquosa di urea a concentrazione variabile all'interno di detto serbatoio
CN201810183256.9A CN108571358B (zh) 2017-03-07 2018-03-06 用于向提供内燃发动机的废气后处理的排气系统的储罐供水的方法和设备
US15/912,737 US10738675B2 (en) 2017-03-07 2018-03-06 Method and apparatus to supply water to a tank of an exhaust system provided with exhaust gas after-treatment for a combustion engine
BR102018004564-4A BR102018004564A2 (pt) 2017-03-07 2018-03-07 método e aparelho para fornecer água a um tanque de um sistema de exaustão dotado de pós-tratamento de gases de exaustão para um motor a combustão
EP18160597.3A EP3372799B1 (en) 2017-03-07 2018-03-07 Method and apparatus to supply water to a tank of an exhaust system provided with exhaust gas after-treatment for a combustion engine
EP19184985.0A EP3569836B1 (en) 2017-03-07 2018-03-07 Method to produce a water solution of urea with a variable concentration for an exhaust system provided with exhaust gas after-treatment for a combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102017000025322A IT201700025322A1 (it) 2017-03-07 2017-03-07 Serbatoio contenente una soluzione acquosa di urea per un sistema di scarico provvisto di post trattamento dei gas di scarico per un motore a combustione e metodo per realizzare la soluzione acquosa di urea a concentrazione variabile all'interno di detto serbatoio

Publications (1)

Publication Number Publication Date
IT201700025322A1 true IT201700025322A1 (it) 2018-09-07

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IT102017000025322A IT201700025322A1 (it) 2017-03-07 2017-03-07 Serbatoio contenente una soluzione acquosa di urea per un sistema di scarico provvisto di post trattamento dei gas di scarico per un motore a combustione e metodo per realizzare la soluzione acquosa di urea a concentrazione variabile all'interno di detto serbatoio

Country Status (1)

Country Link
IT (1) IT201700025322A1 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3569836A1 (en) 2017-03-07 2019-11-20 Magneti Marelli S.p.A. Method to produce a water solution of urea with a variable concentration for an exhaust system provided with exhaust gas after-treatment for a combustion engine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999049957A1 (de) * 1998-03-27 1999-10-07 Siemens Aktiengesellschaft Verfahren und vorrichtung zur katalytischen reduzierung von stickoxiden im abgas einer verbrennnungsanlage
EP1181972A1 (de) * 2000-08-09 2002-02-27 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Verfahren und Vorrichtung zur Zuführung eines Reduktionsmittels in eine Katalysatoreinrichtung
JP2010043585A (ja) * 2008-08-11 2010-02-25 Toyota Motor Corp 内燃機関の排気浄化装置
EP2927452A1 (en) * 2014-04-01 2015-10-07 Inergy Automotive Systems Research (Société Anonyme) Decomposition system on board of a vehicle and the use thereof
EP2975233A1 (en) * 2014-07-18 2016-01-20 Inergy Automotive Systems Research (Société Anonyme) Ammonia precursor generating system for use in a vehicle
EP3078823A1 (en) * 2015-04-07 2016-10-12 Inergy Automotive Systems Research (Société Anonyme) System for use on-board a vehicle, for performing a chemical reaction using a catalyst
EP3085912A1 (en) * 2015-03-13 2016-10-26 Magneti Marelli S.p.A. Method to defrost a control fluid in a tank of an exhaust system provided with exhaust gas after-treatment in an internal combustion engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999049957A1 (de) * 1998-03-27 1999-10-07 Siemens Aktiengesellschaft Verfahren und vorrichtung zur katalytischen reduzierung von stickoxiden im abgas einer verbrennnungsanlage
EP1181972A1 (de) * 2000-08-09 2002-02-27 Dr.Ing. h.c.F. Porsche Aktiengesellschaft Verfahren und Vorrichtung zur Zuführung eines Reduktionsmittels in eine Katalysatoreinrichtung
JP2010043585A (ja) * 2008-08-11 2010-02-25 Toyota Motor Corp 内燃機関の排気浄化装置
EP2927452A1 (en) * 2014-04-01 2015-10-07 Inergy Automotive Systems Research (Société Anonyme) Decomposition system on board of a vehicle and the use thereof
EP2975233A1 (en) * 2014-07-18 2016-01-20 Inergy Automotive Systems Research (Société Anonyme) Ammonia precursor generating system for use in a vehicle
EP3085912A1 (en) * 2015-03-13 2016-10-26 Magneti Marelli S.p.A. Method to defrost a control fluid in a tank of an exhaust system provided with exhaust gas after-treatment in an internal combustion engine
EP3078823A1 (en) * 2015-04-07 2016-10-12 Inergy Automotive Systems Research (Société Anonyme) System for use on-board a vehicle, for performing a chemical reaction using a catalyst

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3569836A1 (en) 2017-03-07 2019-11-20 Magneti Marelli S.p.A. Method to produce a water solution of urea with a variable concentration for an exhaust system provided with exhaust gas after-treatment for a combustion engine

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