WO2012067433A2 - Structure de montage de dispositif de post-traitement de gaz d'échappement dans un engin agricole - Google Patents

Structure de montage de dispositif de post-traitement de gaz d'échappement dans un engin agricole Download PDF

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Publication number
WO2012067433A2
WO2012067433A2 PCT/KR2011/008769 KR2011008769W WO2012067433A2 WO 2012067433 A2 WO2012067433 A2 WO 2012067433A2 KR 2011008769 W KR2011008769 W KR 2011008769W WO 2012067433 A2 WO2012067433 A2 WO 2012067433A2
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WO
WIPO (PCT)
Prior art keywords
exhaust gas
engine
exhaust
work vehicle
agricultural work
Prior art date
Application number
PCT/KR2011/008769
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English (en)
Korean (ko)
Other versions
WO2012067433A3 (fr
Inventor
신용
Original Assignee
대동공업 주식회사
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 대동공업 주식회사 filed Critical 대동공업 주식회사
Publication of WO2012067433A2 publication Critical patent/WO2012067433A2/fr
Publication of WO2012067433A3 publication Critical patent/WO2012067433A3/fr

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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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • F01N13/10—Other arrangements or adaptations of exhaust conduits of exhaust manifolds
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • 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
    • F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives

Definitions

  • the present invention relates to a mounting structure of an exhaust gas aftertreatment apparatus for an agricultural work vehicle.
  • Most agricultural work vehicles such as tractors, are provided with driving and working power through a diesel engine.
  • the diesel engine is a reciprocating internal combustion engine that operates by ignition of light or heavy oil as fuel and ignition, and has a high durability but has a serious effect on air pollution compared to gasoline engines (NOx). ) And particulate matter (PM) emissions are severe.
  • the post-treatment technology includes an oxidation catalyst for purifying high boiling point hydrocarbons in particulate matter (PM), a DeNOx catalyst for decomposing or reducing nitrogen oxides (NOx) in an excess oxygen atmosphere, and a diesel filter for filtering particulate matter (PM).
  • PM particulate matter
  • DPF Particulate filter
  • the diesel particulate filter is a technology that collects particulate matter discharged from a diesel engine with a filter, burns it (recycles), and collects particulate matter and continues to use it. It is known to be an excellent exhaust gas aftertreatment in terms of performance.
  • DPF soot filtration filter
  • the exhaust gas aftertreatment device since the exhaust gas aftertreatment device requires an exhaust temperature of a predetermined temperature or more in order to obtain a reliable combustion removal of particulate matter or sufficient catalytic activity, it is a limited problem that must be installed as close to the engine as possible due to its characteristics. There was.
  • An object of the present invention devised to solve the problems of the prior art is to arrange the exhaust aftertreatment device in parallel along the longitudinal direction of the engine at the top of the exhaust manifold of the engine, the turbocharger is located below the exhaust inlet
  • the exhaust gas inlet is coupled to the turbocharger and the flange tube, so that the distance between the exhaust gas outlet of the engine and the inlet of the exhaust gas of the exhaust gas aftertreatment device is shortened to a shortest distance.
  • an exhaust gas aftertreatment device for purifying an engine exhaust gas of a farming work vehicle is mounted in an engine room, wherein the exhaust gas aftertreatment device is configured to provide The parallel arrangement in the longitudinal direction, the turbocharger is located below the exhaust gas inlet, the exhaust gas inlet is mounted on the exhaust gas post-treatment device of the agricultural work vehicle, characterized in that coupled to the turbocharger and the flange pipe. Can be provided.
  • the exhaust gas aftertreatment device may be arranged on the upper left side of the engine when the flywheel housing is viewed from the front.
  • the exhaust gas after-treatment apparatus may form an inlet for exhaust gas in the rear of the engine, and form an outlet of purge gas in the front of the engine.
  • the exhaust gas after-treatment device may be formed so that the outlet of the purification gas toward the bottom of the engine room.
  • the flange pipe is bent in the form of a bent pipe, the flange can be coupled to the turbocharger at the end of the horizontal tube, it is possible to form another flange coupling portion is coupled to the exhaust gas inlet in the vertical tube end.
  • the exhaust gas aftertreatment device is arranged in parallel along the longitudinal direction of the engine at an upper exhaust manifold of the engine, and a turbocharger is positioned below the exhaust gas inlet, and the exhaust gas inlet is
  • the coupling between the turbocharger and the flange tube reduces the distance between the exhaust gas outlet of the engine and the inlet of the exhaust gas of the exhaust gas aftertreatment device to the shortest distance, thereby improving energy efficiency, while exhaust gas aftertreatment. It has the effect of improving the purification performance of the device.
  • FIG 1 is an external view showing the engine room of the agricultural work vehicle according to an embodiment of the present invention.
  • Figure 2 is a front view showing the internal structure of the engine room to explain the mounting structure of the exhaust gas after-treatment apparatus of an agricultural work vehicle according to an embodiment of the present invention.
  • Figure 3 is an enlarged view of the main portion for explaining the mounting structure of the exhaust gas after-treatment apparatus for agricultural work vehicle according to the invention.
  • Figure 4 is a side view of the inside of the engine room from the rear of the vehicle body toward the front to explain the mounting structure of the exhaust gas after-treatment apparatus of an agricultural work vehicle according to the present invention.
  • FIG. 1 is an external view illustrating an engine room of an agricultural work vehicle according to an exemplary embodiment of the present invention.
  • an engine room 100 of a tractor is disclosed.
  • the engine room 100 has a configuration in which the engine 120 inside is protected by a bonnet 110 that can be opened upward.
  • the left side is the front side of the engine 120
  • the right side is the rear side of the engine 120.
  • the power generated through the engine 120 is transmitted to the transmission (not shown) via the flywheel housing 130 at the rear side of the engine 120, and at this time, the space of the engine room 100 at the front side of the engine 120 Radiator device for cooling the engine 120 may be installed.
  • Figure 2 is a front view showing the internal structure of the engine room to explain the mounting structure of the exhaust gas after-treatment apparatus of the agricultural work vehicle according to an embodiment of the present invention
  • Figure 3 is the exhaust of the agricultural work vehicle according to the invention It is an essential part enlarged view for demonstrating the mounting structure of a gas aftertreatment apparatus.
  • an exhaust gas aftertreatment apparatus 200 for purifying exhaust gas generated from the engine 120 of the tractor is mounted in the engine room 100.
  • the exhaust gas aftertreatment device 200 will be described as to collect the particulate matter discharged from the diesel engine with a filter, burn it, and collect the particulate matter again and continue to use it, thereby meeting the emission standard.
  • a noble metal catalyst device such an exhaust gas after-treatment device 200 is directly connected to the turbocharger 150 side of the engine 120.
  • the exhaust gas after-treatment device 200 has a canning appearance, and the canning is a DOC canning and a soot filtration device that surrounds and protects a diesel oxidation catalyst (hereinafter referred to as 'DOC').
  • 'DOC' diesel oxidation catalyst
  • Diesel Particulate Filter hereinafter referred to as 'DPF'
  • 'DPF' Diesel Particulate Filter
  • the DOC canning side is provided with an exhaust gas inlet 210 for coupling to the turbocharger 150 of the engine 120
  • the DPF canning side may be provided with a purge gas outlet 220 connected to the muffler pipe (not shown).
  • the exhaust gas aftertreatment device 200 is disposed in parallel along the longitudinal direction of the engine 120 on the exhaust manifold 140 of the engine 120, and the exhaust gas inlet port.
  • the turbocharger 150 is positioned below the 210, and the exhaust gas inlet 210 is coupled using the turbocharger 150 and the flange tube 160.
  • the exhaust gas after-treatment device 200 may be disposed on the upper left of the engine 120 when the flywheel housing 130 is viewed from the front.
  • the inlet 210 of the exhaust gas of the exhaust gas aftertreatment device 200 may be formed at the rear side of the engine 120, and the outlet 220 of the purification gas may be formed at the front side of the engine 120. have.
  • the exhaust gas inlet 210 and the purge gas outlet 220 of the exhaust gas after-treatment device 200 may be formed to face the bottom of the engine room 100.
  • the purge gas outlet 220 may be connected to the muffler pipe side extending to the outside of the engine room 100, through which the exhaust gas can be discharged to the atmosphere.
  • turbocharger 150 the turbo charger (turbo charger) is used to turn the turbine by using the exhaust gas pressure inevitably generated by, and then using the rotational force to suck the air intake than atmospheric pressure The engine is pushed to a high pressure to increase the power.
  • the flange pipe 160 to be connected between the turbocharger 150 and the exhaust gas aftertreatment device 200 is bent in a curved tube shape, so that a flange coupling portion coupled to the turbocharger 150 is formed at the end of the horizontal pipe. And, the end of the pipe in the vertical direction may be such that another flange coupling portion is coupled to the exhaust gas inlet 210.
  • the exhaust gas generated by the engine 120 is discharged to the exhaust manifold 140 side, and then flows into the turbocharger 150 installed at the exhaust manifold 140 to supply the turbine. Will be driven. Thereafter, the exhaust gas is supplied to the exhaust gas inlet 210 of the exhaust gas aftertreatment device 200 through the flange pipe 160 connected to the turbocharger 150.
  • the exhaust gas supplied into the exhaust gas aftertreatment device 200 through the exhaust gas inlet 210 is purified through a diesel oxidation catalyst and a diesel particulate filter, and the purification gas outlet 220 Through the air.
  • the purge gas outlet 220 may be connected to the muffler pipe installed in the engine room 100 outside.
  • the exhaust gas aftertreatment device is arranged in parallel along the longitudinal direction of the engine at the upper exhaust manifold of the engine, the turbocharger is located below the exhaust gas inlet, The exhaust gas inlet is coupled to the turbocharger and the flange tube to reduce the distance between the engine exhaust gas outlet and the exhaust gas inlet of the exhaust gas aftertreatment device to the shortest distance, thereby improving energy efficiency.
  • the purification performance of the exhaust gas aftertreatment device can be improved.

Abstract

Une structure de montage d'un dispositif de post-traitement de gaz d'échappement d'un engin agricole, selon un mode de réalisation de l'invention, correspond à une structure dans laquelle le dispositif de post-traitement de gaz d'échappement pour le filtrage du gaz d'échappement du moteur d'un engin agricole est monté à l'intérieur d'une chambre de moteur, le dispositif de post-traitement de gaz d'échappement étant parallèle à l'axe longitudinal du moteur au niveau de la partie supérieure d'un tuyau d'échappement du moteur, un turbocompresseur ou le tuyau d'échappement étant placé au niveau de la partie inférieure d'un orifice d'admission de gaz d'échappement et l'orifice d'admission de gaz d'échappement étant accouplé au turbo-compresseur ou au tuyau d'échappement et à un tuyau à bride.
PCT/KR2011/008769 2010-11-16 2011-11-16 Structure de montage de dispositif de post-traitement de gaz d'échappement dans un engin agricole WO2012067433A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100113707A KR101260764B1 (ko) 2010-11-16 2010-11-16 농업용 작업차량의 배기가스 후처리장치의 취부구조
KR10-2010-0113707 2010-11-16

Publications (2)

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WO2012067433A2 true WO2012067433A2 (fr) 2012-05-24
WO2012067433A3 WO2012067433A3 (fr) 2012-07-12

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KR (1) KR101260764B1 (fr)
WO (1) WO2012067433A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451182B1 (ko) 2012-08-23 2014-10-15 대동공업주식회사 농업용 작업차량의 배기가스 후처리장치 취부구조
KR101969969B1 (ko) * 2012-08-23 2019-08-13 대동공업주식회사 콤바인의 배기가스 후처리장치 취부구조
KR101886903B1 (ko) 2014-11-03 2018-08-09 현대건설기계 주식회사 작업기계의 배기가스 처리방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004293495A (ja) * 2003-03-28 2004-10-21 Hitachi Constr Mach Co Ltd 建設機械のマフラー取り付け装置
JP2006070878A (ja) * 2004-09-06 2006-03-16 Mazda Motor Corp エンジンの吸排気系構造
JP2009035111A (ja) * 2007-08-01 2009-02-19 Hitachi Constr Mach Co Ltd 建設機械
JP2010084541A (ja) * 2008-09-29 2010-04-15 Yanmar Co Ltd コンバイン

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5483857B2 (ja) * 2008-10-20 2014-05-07 ヤンマー株式会社 走行車両搭載用のエンジン装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004293495A (ja) * 2003-03-28 2004-10-21 Hitachi Constr Mach Co Ltd 建設機械のマフラー取り付け装置
JP2006070878A (ja) * 2004-09-06 2006-03-16 Mazda Motor Corp エンジンの吸排気系構造
JP2009035111A (ja) * 2007-08-01 2009-02-19 Hitachi Constr Mach Co Ltd 建設機械
JP2010084541A (ja) * 2008-09-29 2010-04-15 Yanmar Co Ltd コンバイン

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Publication number Publication date
KR101260764B1 (ko) 2013-05-06
KR20120052510A (ko) 2012-05-24
WO2012067433A3 (fr) 2012-07-12

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