WO2012067433A2 - Fitting portion structure of device for post-processing exhaust gas in agricultural operation vehicle - Google Patents

Fitting portion structure of device for post-processing exhaust gas in agricultural operation vehicle Download PDF

Info

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
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
engine
exhaust
work vehicle
agricultural work
Prior art date
Application number
PCT/KR2011/008769
Other languages
French (fr)
Korean (ko)
Other versions
WO2012067433A3 (en
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/en
Publication of WO2012067433A3 publication Critical patent/WO2012067433A3/en

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
    • 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

A fitting portion structure of a device for post-processing exhaust gas from an agricultural operation vehicle, according to one embodiment of the present invention, relates to a structure in which the device for post-processing exhaust gas for filtering exhaust gas from the engine of an agricultural operation vehicle is fitted inside an engine room, wherein the device for post-processing exhaust gas is arranged in parallel to the lengthwise direction of the engine at the upper portion of an exhaust manifold of the engine, a turbo charger or the exhaust manifold is positioned at the lower portion of an exhaust gas inlet port, and the exhaust gas inlet port is coupled to the turbo charger or the exhaust manifold and a flange pipe.

Description

농업용 작업차량의 배기가스 후처리장치의 취부구조Mounting structure of exhaust gas after-treatment device for agricultural work vehicle
본 발명은 농업용 작업차량의 배기가스 후처리장치의 취부구조에 관한 것이다.The present invention relates to a mounting structure of an exhaust gas aftertreatment apparatus for an agricultural work vehicle.
트랙터와 같은 농업용 작업차량의 대부분은 디젤엔진(Diesel Engine)을 통한 주행동력 및 작업동력을 제공받게 된다.Most agricultural work vehicles, such as tractors, are provided with driving and working power through a diesel engine.
이러한, 디젤엔진(Diesel Engine)은 경유 또는 중유를 연료로 압축, 점화에 의해 작동하는 왕복운동형 내연기관을 말하며, 내구성이 우수한 반면 가솔린엔진과 비교하여 대기오염에 심각한 영향을 주는 질소산화물(NOx)과 입자상 물질(PM: Particulate Matter)의 배출이 심한 단점이 있다.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.
따라서, 각국에서는 디젤엔진의 배기가스 규제를 강화하고 있으며, 기술적으로 연료분사시기를 지연하고, 배기가스 재순환 장치를 사용하여 질소산화물의 농도를 저감하며, 입자상 물질을 감소시키기 위해 엔진의 연소성능을 개선하는 등의 다양한 대책을 강구하고 있는 실정이다.Therefore, countries are tightening regulations on exhaust gas of diesel engines, and technically delay fuel injection timing, reduce exhaust gas concentration by using exhaust gas recirculation device, and improve combustion performance of engine to reduce particulate matter. Various measures such as improvement are being taken.
특히, 후처리 기술로는 입자상 물질(PM) 중 고비점 탄화수소를 정화하는 산화촉매, 과잉 산소 분위기에서 질소산화물(NOx)을 분해 또는 환원하는 DeNOx촉매, 입자상 물질(PM)을 필터로 걸러주는 디젤 입자상 물질(매연) 여과용 필터(DPF) 등이 있다.In particular, 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). Particulate filter (soot) filtration filter (DPF) and the like.
이 중에서, 매연여과필터(DPF: Diesel Particulate Filter)는 디젤엔진에서 배출되는 입자상 물질을 필터로 포집한 후 이것을 태우고(재생) 다시 입자상 물질을 포집하여 계속 사용하는 기술로서 매연을 80% 이상 저감할 수 있어서 성능면에서는 아주 우수한 배기가스 후처리장치로 알려져 있다.Among these, the diesel particulate filter (DPF) 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.
하지만, 이러한 매연여과필터(DPF)(이하, 배기가스 후처리장치로 통칭함)는 부피가 크고 무거운 단점이 있어 기존의 작업차량에 탑재하여 사용하는데 많은 어려움이 있었다.However, such a soot filtration filter (DPF) (hereinafter, collectively referred to as an exhaust gas aftertreatment device) has a disadvantage in that it is bulky and heavy, and there are many difficulties in mounting it on an existing work vehicle.
특히, 이러한 배기가스 후처리장치는 입자상 물질의 확실한 연소 제거나 충분한 촉매활성을 얻기 위해서 소정 온도 이상의 배기온도를 필요로 하기 때문에 그 특성상 엔진에 최대한 근접한 위치에 설치해야 하는 할 수 밖에 없는 제한적인 문제가 있었다.In particular, 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.
따라서, 이와 같은 배기가스 후처리장치를 엔진룸 내에 설치하는 것이 필연적인데, 기존의 엔진룸 구조가 협소하여 설치공간을 확보하는데 많은 어려움이 있었다.Therefore, it is inevitable to install such an exhaust gas aftertreatment device in the engine room. However, since the existing engine room structure is narrow, there are many difficulties in securing the installation space.
상기 종래기술의 문제점을 해결하기 위해 안출된 본 발명의 목적은 배기가스 후처리장치를 엔진의 배기매니폴드 상부에서 엔진의 길이방향을 따라 평행하게 배치되도록 하고, 배기가스 유입구 하부에 터보차저가 위치되도록 하며, 상기 배기가스 유입구가 터보차저와 플랜지관으로 결합되도록 함으로써, 엔진의 배기가스 출구와 배기가스 후처리장치의 배기가스의 유입구 사이의 거리를 최단거리로 축소시켜 배치되도록 한 농업용 작업차량의 배기가스 후처리장치의 취부구조를 제공함에 있다.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 apparatus is provided.
본 발명의 일측면에 따르면, 농용 작업차량의 엔진 배기가스를 정화시키기 위한 배기가스 후처리장치를 엔진룸 내에 취부하는 구조로서, 상기 배기가스 후처리장치는, 엔진의 배기매니폴드 상부에서 엔진의 길이방향을 따라 평행하게 배치되고, 배기가스 유입구 하부에 터보차저가 위치되며, 상기 배기가스 유입구가 터보차저와 플랜지관으로 결합되는 것을 특징으로 하는 농업용 작업차량의 배기가스 후처리장치의 취부구조가 제공될 수 있다.According to an aspect of the present invention, there is provided a structure in which 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.
여기서, 상기 배기가스 후처리장치가 플라이휠 하우징을 정면에서 바라보았을 때 엔진의 좌측 상부에 배치되도록 할 수 있다.Here, 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.
또한, 상기 배기가스 후처리장치는 배기가스의 유입구를 엔진 후방 쪽에 형성하고, 정화가스의 배출구를 엔진 전방 쪽으로 형성할 수 있다.In addition, 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.
이때, 상기 배기가스 후처리장치는 정화가스의 배출구를 엔진룸의 바닥쪽을 향하도록 형성할 수 있다.At this time, the exhaust gas after-treatment device may be formed so that the outlet of the purification gas toward the bottom of the engine room.
또한, 상기 플랜지관은 곡관형태로 절곡되며, 수평방향의 관 끝에 터보차저와 결합되는 플랜지결합부를 형성하고, 수직방향의 관 끝에 배기가스 유입구와 결합되는 또 다른 플랜지결합부를 형성할 수 있다.In addition, 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.
상기한 구성에 따른 본 발명은 배기가스 후처리장치를 엔진의 배기매니폴드 상부에서 엔진의 길이방향을 따라 평행하게 배치되도록 하고, 배기가스 유입구 하부에 터보차저가 위치되도록 하며, 상기 배기가스 유입구가 터보차저와 플랜지관으로 결합되도록 함으로써, 엔진의 배기가스 출구와 배기가스 후처리장치의 배기가스의 유입구 사이의 거리를 최단거리로 축소시켜 배치되도록 함으로써, 에너지효율을 향상시키는 한편, 배기가스 후처리장치의 정화성능이 향상되도록 하는 효과를 갖는다.According to the present invention, 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.
도 1은 본 발명의 일실시예에 따른 농업용 작업차량의 엔진룸을 도시한 외형도.1 is an external view showing the engine room of the agricultural work vehicle according to an embodiment of the present invention.
도 2는 본 발명의 일실시예에 따른 농업용 작업차량의 배기가스 후처리장치의 취부구조를 설명하기 위해 엔진룸의 내부구조를 도시한 정면도.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.
도 3은 본 발명에 따른 농업용 작업차량의 배기가스 후처리장치의 취부구조를 설명하기 위한 요부 확대도.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.
도 4는 본 발명에 따른 농업용 작업차량의 배기가스 후처리장치의 취부구조를 설명하기 위해 엔진룸 내부를 차체 후방에서 전방 쪽으로 바라본 상태의 측면도.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.
이하, 본 발명의 바람직한 실시예에 대해 첨부된 도면을 참조하여 자세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명의 일실시예에 따른 농업용 작업차량의 엔진룸을 도시한 외형도이다.1 is an external view illustrating an engine room of an agricultural work vehicle according to an exemplary embodiment of the present invention.
도 1을 참조하면, 트랙터의 엔진룸(100)이 개시되고 있다. 상기 엔진룸(100)은 상부로 개방이 가능한 본넷(110)에 의해 내부의 엔진(120)이 보호되는 구성으로 이루어지고 있다.Referring to FIG. 1, 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.
도 1을 통해 엔진룸(100)을 바라봤을 때, 좌측이 엔진(120)의 전방 쪽이 되고, 우측이 엔진(120)의 후방 쪽이 된다.When looking at the engine room 100 through Figure 1, the left side is the front side of the engine 120, the right side is the rear side of the engine 120.
상기 엔진(120)을 통해 발생된 동력은 엔진(120) 후방 쪽의 플라이휠 하우징(130)을 거쳐 트랜스미션(미도시)으로 전달되며, 이때, 상기 엔진(120)의 전방 쪽 엔진룸(100) 공간을 이용해 엔진(120)을 냉각시키기 위한 라디에이터장치가 설치될 수 있다.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.
상기 엔진룸(100)의 본넷(110)이 제거된 상태의 내부구조를 도 2를 참조하여 설명한다.An internal structure of a state in which the bonnet 110 of the engine room 100 is removed will be described with reference to FIG. 2.
도 2는 본 발명의 일실시예에 따른 농업용 작업차량의 배기가스 후처리장치의 취부구조를 설명하기 위해 엔진룸의 내부구조를 도시한 정면도이고, 도 3은 본 발명에 따른 농업용 작업차량의 배기가스 후처리장치의 취부구조를 설명하기 위한 요부 확대도이다.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.
도 2, 도 3을 참조하면, 트랙터의 엔진(120)에서 발생된 배기가스를 정화시키기 위한 배기가스 후처리장치(200)가 엔진룸(100) 내에 취부되고 있다.2 and 3, 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.
여기서, 상기 배기가스 후처리장치(200)에 대해 설명하면, 디젤엔진에서 배출되는 입자상 물질을 필터로 포집한 후 이것을 태우고 다시 입자상 물질을 포집하여 계속 사용하도록 하는 것으로서, 배기가스 배출기준을 충족시키기 위하여 귀금속 촉매장치를 사용하게 되며, 이와 같은 배기가스 후처리장치(200)는 엔진(120)의 터보차저(150) 측에 직접 연결되고 있다.Here, 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. In order to use 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.
이와 같은 배기가스 후처리장치(200)는 외관이 캐닝(canning)으로 이루어져 있고, 상기 캐닝은 디젤산화촉매(Diesel Oxidation Catalyst; 이하 'DOC'라 한다)를 감싸서 보호하는 DOC캐닝과, 매연여과장치(Diesel Particulate Filter; 이하 'DPF'라 한다)를 감싸서 보호하는 DPF캐닝으로 이루어지게 되는데, 상기 DOC캐닝 측에는 엔진(120)의 터보차저(150)에 결합되기 위한 배기가스 유입구(210)가 구비되어 있고, 상기 DPF캐닝 측에는 머플러 파이프(미도시)와 연결되는 정화가스 배출구(220)가 구비될 수 있다.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'). (Diesel Particulate Filter; hereinafter referred to as 'DPF') is made of DPF canning to protect, the DOC canning side is provided with an exhaust gas inlet 210 for coupling to the turbocharger 150 of the engine 120 In addition, the DPF canning side may be provided with a purge gas outlet 220 connected to the muffler pipe (not shown).
다시 도 2, 도 3을 참조하면, 상기 배기가스 후처리장치(200)는 엔진(120)의 배기매니폴드(140) 상부에서 엔진(120)의 길이방향을 따라 평행하게 배치되고, 배기가스 유입구(210) 하부에 터보차저(150)가 위치되며, 상기 배기가스 유입구(210)가 터보차저(150)와 플랜지관(160)을 이용해 결합된다.2 and 3 again, 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.
이때, 상기 배기가스 후처리장치(200)는 플라이휠 하우징(130)을 정면에서 바라보았을 때 엔진(120)의 좌측 상부에 배치되도록 할 수 있다.In this case, 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.
또한, 상기 배기가스 후처리장치(200)의 배기가스의 유입구(210)를 엔진(120)의 후방 쪽에 형성되도록 하고, 정화가스의 배출구(220)를 엔진(120)의 전방 쪽에 형성되도록 할 수 있다.In addition, 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.
이때, 상기 배기가스 후처리장치(200)의 배기가스 유입구(210) 및 정화가스 배출구(220)가 엔진룸(100)의 바닥 쪽을 향하도록 형성될 수 있다.In this case, 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.
이때, 상기 정화가스 배출구(220)는 엔진룸(100)의 외부로 연장된 머플러 파이프 측에 연결되도록 할 수 있고, 이를 통해 배기가스가 대기 중에 방출되도록 할 수 있다.At this time, 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.
여기서, 상기 터보차저(150)의 원리에 대해 설명하면, 터보차저(Turbo Charger)라 함은 에서 필연적으로 발생하는 의 배출가스 압력을 이용해 터빈을 돌린 후, 이 회전력을 이용해 흡입하는 공기를 대기압보다 강한 압력으로 밀어 넣어 출력을 높이기 위한 기관을 일컫는다.Here, the principle of the 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.
상기 터보차저(150)와 배기가스 후처리장치(200) 사이를 연결하도록 된 플랜지관(160)은 곡관형태로 절곡되며, 수평방향의 관 끝에 터보차저(150)와 결합되는 플랜지결합부가 형성되도록 하고, 수직방향의 관 끝에는 배기가스 유입구(210)와 결합되는 또 다른 플랜지결합부가 형성되도록 할 수 있다.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.
상기한 바와 같은 구성의 본 발명은 엔진(120) 구동에 따른 배기가스가 배기매니폴드(140) 측으로 배출되고, 이후, 배기매니폴드(140) 측에 설치된 터보차저(150)로 유입되어 터빈을 구동시키게 된다. 이후 상기 배기가스는 터보차저(150)에 연결된 플랜지관(160)을 통해 배기가스 후처리장치(200)의 배기가스 유입구(210)로 공급된다.According to the present invention having the above-described configuration, 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.
상기 배기가스 유입구(210)를 통해 배기가스 후처리장치(200) 내로 공급된 배기가스는 디젤산화촉매(Diesel Oxidation Catalyst) 및 매연여과장치(Diesel Particulate Filter)를 거쳐서 정화되고, 정화가스 배출구(220)를 통해 대기 중에 배출된다. 이때, 상기 정화가스 배출구(220)를 엔진룸(100) 외부에 설치한 머플러 파이프와 연결되도록 할 수 있다.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. At this time, the purge gas outlet 220 may be connected to the muffler pipe installed in the engine room 100 outside.
앞서 살펴본 바와 같은 본 발명의 일실시예에 따르면, 배기가스 후처리장치를 엔진의 배기매니폴드 상부에서 엔진의 길이방향을 따라 평행하게 배치되도록 하고, 배기가스 유입구 하부에 터보차저가 위치되도록 하며, 상기 배기가스 유입구가 터보차저와 플랜지관으로 결합되도록 함으로써, 엔진의 배기가스 출구와 배기가스 후처리장치의 배기가스의 유입구 사이의 거리를 최단거리로 축소시켜 배치되도록 함으로써, 에너지효율을 향상시키는 한편, 배기가스 후처리장치의 정화성능이 향상되도록 할 수 있다.According to an embodiment of the present invention as described above, 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. In addition, the purification performance of the exhaust gas aftertreatment device can be improved.

Claims (5)

  1. 농용 작업차량의 엔진(120) 배기가스를 정화시키기 위한 배기가스 후처리장치(200)를 엔진룸(100) 내에 취부하는 구조로서, As a structure for mounting the exhaust gas after-treatment device 200 for purifying the exhaust gas of the engine 120 of the agricultural work vehicle in the engine room 100,
    상기 배기가스 후처리장치(200)는, 엔진(120)의 배기매니폴드(140) 상부에서 엔진(120)의 길이방향을 따라 평행하게 배치되고, 배기가스 유입구(210) 하부에 터보차저(150) 또는 배기매니폴드(140)가 위치되며, 상기 배기가스 유입구(210)가 터보차저(150) 또는 배기매니폴드(140)와 플랜지관(160)으로 결합되는 것을 특징으로 하는 농업용 작업차량의 배기가스 후처리장치의 취부구조.The exhaust gas aftertreatment device 200 is disposed in parallel along the longitudinal direction of the engine 120 at the upper portion of the exhaust manifold 140 of the engine 120 and the turbocharger 150 under the exhaust gas inlet 210. Or exhaust manifold 140 is located, and the exhaust gas inlet 210 is coupled to the turbocharger 150 or the exhaust manifold 140 and the flange pipe 160, the exhaust of the agricultural work vehicle Mounting structure of gas aftertreatment device.
  2. 제1항에 있어서, The method of claim 1,
    상기 배기가스 후처리장치(200)가 플라이휠 하우징(130)을 정면에서 바라보았을 때 엔진(120)의 좌측 상부에 배치되도록 하는 것을 특징으로 하는 농업용 작업차량의 배기가스 후처리장치의 취부구조.Mounting structure of the exhaust after-treatment device for an agricultural work vehicle, characterized in that the exhaust gas after-treatment device 200 is disposed on the upper left side of the engine 120 when the flywheel housing 130 is viewed from the front.
  3. 제1항에 있어서,The method of claim 1,
    상기 배기가스 후처리장치(200)는 배기가스의 유입구(210)를 엔진(120) 후방쪽에 형성하고, 정화가스의 배출구(220)를 엔진(120) 전방쪽으로 형성하는 것을 특징으로 하는 농업용 작업차량의 배기가스 후처리장치의 취부구조.The exhaust gas after-treatment device 200 is an agricultural work vehicle, characterized in that for forming the inlet 210 of the exhaust gas to the rear of the engine 120, and the outlet 220 of the purification gas to the front of the engine 120. Structure of exhaust gas aftertreatment device
  4. 제3항에 있어서,The method of claim 3,
    상기 배기가스 후처리장치(200)는 정화가스의 배출구(220)를 엔진룸(100)의 바닥쪽을 향하도록 형성하는 것을 특징으로 하는 농업용 작업차량의 배기가스 후처리장치의 취부구조.The exhaust gas aftertreatment device 200 is an exhaust gas aftertreatment device for an agricultural work vehicle, characterized in that to form the outlet 220 of the purification gas toward the bottom of the engine room (100).
  5. 제 1항에 있어서,The method of claim 1,
    상기 플랜지관(160)은 곡관형태로 절곡되며, 수평방향의 관 끝에 터보차저(150)와 결합되는 플랜지결합부를 형성하고, 수직방향의 관 끝에 배기가스 유입구(210)와 결합되는 또 다른 플랜지결합부를 형성하는 것을 특징으로 하는 농업용 작업차량의 배기가스 후처리장치의 취부구조.The flange pipe 160 is bent in the form of a bent pipe, and form a flange coupling portion coupled to the turbocharger 150 at the end of the horizontal tube, another flange coupling coupled to the exhaust gas inlet 210 in the vertical tube end Mounting structure of the exhaust gas after-treatment device for an agricultural work vehicle, characterized in that for forming a portion.
PCT/KR2011/008769 2010-11-16 2011-11-16 Fitting portion structure of device for post-processing exhaust gas in agricultural operation vehicle WO2012067433A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0113707 2010-11-16
KR1020100113707A KR101260764B1 (en) 2010-11-16 2010-11-16 Fixing structure of Exhaust Gas After treatment Device

Publications (2)

Publication Number Publication Date
WO2012067433A2 true WO2012067433A2 (en) 2012-05-24
WO2012067433A3 WO2012067433A3 (en) 2012-07-12

Family

ID=46084522

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/008769 WO2012067433A2 (en) 2010-11-16 2011-11-16 Fitting portion structure of device for post-processing exhaust gas in agricultural operation vehicle

Country Status (2)

Country Link
KR (1) KR101260764B1 (en)
WO (1) WO2012067433A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451182B1 (en) 2012-08-23 2014-10-15 대동공업주식회사 Fixing structure of Exhaust Gas After treatment Device
KR101969969B1 (en) * 2012-08-23 2019-08-13 대동공업주식회사 Fixing structure of Exhaust Gas After treatment Device
KR101886903B1 (en) 2014-11-03 2018-08-09 현대건설기계 주식회사 Method of Treatmenting Exhaust in Working Equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004293495A (en) * 2003-03-28 2004-10-21 Hitachi Constr Mach Co Ltd Muffler mounting device of construction machine
JP2006070878A (en) * 2004-09-06 2006-03-16 Mazda Motor Corp Intake and exhaust system structure of engine
JP2009035111A (en) * 2007-08-01 2009-02-19 Hitachi Constr Mach Co Ltd Construction machinery
JP2010084541A (en) * 2008-09-29 2010-04-15 Yanmar Co Ltd Combined harvester and thresher

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5483857B2 (en) * 2008-10-20 2014-05-07 ヤンマー株式会社 Engine device for running vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004293495A (en) * 2003-03-28 2004-10-21 Hitachi Constr Mach Co Ltd Muffler mounting device of construction machine
JP2006070878A (en) * 2004-09-06 2006-03-16 Mazda Motor Corp Intake and exhaust system structure of engine
JP2009035111A (en) * 2007-08-01 2009-02-19 Hitachi Constr Mach Co Ltd Construction machinery
JP2010084541A (en) * 2008-09-29 2010-04-15 Yanmar Co Ltd Combined harvester and thresher

Also Published As

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

Similar Documents

Publication Publication Date Title
KR20120052512A (en) Fixing structure of exhaust gas after treatment device
WO2014030968A1 (en) Fixing structure of exhaust gas after-treatment device in agricultural operation vehicle
US7159386B2 (en) Crankcase ventilation system
WO2012067433A2 (en) Fitting portion structure of device for post-processing exhaust gas in agricultural operation vehicle
KR101260775B1 (en) Fixing structure of Exhaust Gas After treatment Device
CN201041063Y (en) Generalized small-sized four-stroke petrol engine secondary recombustion waste gas purification device
KR101458803B1 (en) Fixing structure of Exhaust Gas After treatment Device
CN112424459B (en) Exhaust structure of vehicle-mounted engine
JP4710725B2 (en) Turbocharged engine
CN210164519U (en) Catalytic muffler
KR20140026826A (en) Fixing structure of exhaust gas after treatment device
US8615989B2 (en) Method for regeneration of diesel particulate filter in an exhaust aftertreatment system of an IC engine
KR20120052511A (en) Fixing structure of exhaust gas after treatment device
CN215057688U (en) Tail gas aftertreatment assembly device of harvester
CN215890151U (en) Commercial vehicle postprocessor
CN215292719U (en) Exhaust gas recirculation system based on internal combustion engine
KR100847966B1 (en) Heat Shield of convert in vehicle
KR20110104298A (en) Fixing structure of exhaust gas after treatment device
EP2105596A2 (en) Pre-turbine exhaust filtration system for internal combustion engines
US20230374929A1 (en) Diesel engine
CN215109101U (en) Engine exhaust pipe
CN214196449U (en) Ultralow nitrogen oxide double-SCR (selective catalytic reduction) system of vehicle-mounted diesel engine
KR200413110Y1 (en) Dpf with dual entrance structure
KR20140012260A (en) Fixing structure of exhaust gas after treatment device
CN113339117A (en) Tail gas aftertreatment assembly device of harvester

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11841890

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11841890

Country of ref document: EP

Kind code of ref document: A2