KR20170137601A - 배기 가스 후처리 유닛 및 작업 차량 - Google Patents
배기 가스 후처리 유닛 및 작업 차량 Download PDFInfo
- Publication number
- KR20170137601A KR20170137601A KR1020167024506A KR20167024506A KR20170137601A KR 20170137601 A KR20170137601 A KR 20170137601A KR 1020167024506 A KR1020167024506 A KR 1020167024506A KR 20167024506 A KR20167024506 A KR 20167024506A KR 20170137601 A KR20170137601 A KR 20170137601A
- Authority
- KR
- South Korea
- Prior art keywords
- flow path
- cooling water
- reducing agent
- exhaust gas
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
-
- 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
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/0858—Arrangement of component parts installed on superstructures not otherwise provided for, e.g. electric components, fenders, air-conditioning units
- E02F9/0866—Engine compartment, e.g. heat exchangers, exhaust filters, cooling devices, silencers, mufflers, position of hydraulic pumps in the engine compartment
-
- 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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2046—Periodically cooling catalytic reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/12—Arrangements for cooling other engine or machine parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- 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
- 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
-
- 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
- F01N2610/11—Adding substances to exhaust gases the substance or part of the dosing system being cooled
-
- 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
- F01N2610/1433—Pumps
-
- 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
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/16—Outlet manifold
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Component Parts Of Construction Machinery (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
도 2는 배기 가스 후처리 유닛의 사시도
도 3은 배기 가스 후처리 유닛의 사시도
도 4는 환원제 분사 장치의 사시도
도 5는 분기(branch) 블록의 사시도
도 6은 엔진의 구동 중에서의 환원제 분사 장치에 대한 냉각수의 공급에 대하여 설명하기 위한 모식도
도 7은 엔진의 정지 후에서의 환원제 분사 장치에 대한 냉각수의 공급에 대하여 설명하기 위한 모식도
도 8은 냉각수 경로의 다른 형태를 나타낸 모식도
Claims (8)
- 엔진으로부터의 배기 가스를 처리하는 선택 촉매 환원(還元) 장치;
상기 엔진으로부터의 배기 가스를 상기 선택 촉매 환원 장치에 인도하는 접속 배관;
상기 접속 배관에 설치되고, 상기 선택 촉매 환원 장치에 공급되는 배기 가스 중에 환원제(還元劑)를 분사하는 환원제 분사 장치; 및
상기 환원제 분사 장치를 냉각시키기 위한 냉각수를 상기 환원제 분사 장치에 인도하는 냉각수 경로;
를 포함하고,
상기 환원제 분사 장치는, 상기 냉각수를 흐르게 하기 위한 내부 유로(流路)를 구비하고,
상기 냉각수 경로는,
상기 환원제 분사 장치의 상기 내부 유로에 이어지는 제1 유로; 및
상기 제1 유로로부터 분기되는 제2 유로 및 제3 유로;를 구비하고,
상기 제1 유로가 상기 제2 유로 및 상기 제3 유로로 분기되는 분기점은, 상기 환원제 분사 장치와 상기 제1 유로와의 접속 부분보다 위쪽에 위치하고,
상기 제3 유로는, 상기 분기점에서 상기 제2 유로보다 위쪽으로 연장되고,
상기 제2 유로와 상기 제3 유로는, 상기 분기점의 반대측에 있어서 합류하는,
배기 가스 후처리 유닛. - 제1항에 있어서,
상기 냉각수 경로는, 상기 냉각수를 일시적으로 저류(貯留)하기 위한 탱크를 구비하고,
상기 제2 유로 및 상기 제3 유로의 각각은, 상기 탱크에 접속되는, 배기 가스 후처리 유닛. - 제2항에 있어서,
상기 제2 유로는, 상기 분기점으로부터 위쪽으로 연장되는, 배기 가스 후처리 유닛. - 제2항 또는 제3항에 있어서,
상기 제3 유로는, 상기 제2 유로보다 위쪽에서 상기 탱크에 접속되는, 배기 가스 후처리 유닛. - 제2항 내지 제4항 중 어느 한 항에 있어서,
상기 냉각수 경로는, 상기 탱크와 냉각수 펌프에 접속되는 제4 유로를 구비하고,
상기 제4 유로는, 연직(沿直) 방향에서의 상기 탱크의 중앙보다 위쪽에서 상기 탱크에 접속되는, 배기 가스 후처리 유닛. - 제1항 내지 제5항 중 어느 한 항에 있어서,
상기 제1 유로는, 상기 제3 유로보다 짧은, 배기 가스 후처리 유닛. - 제1항 내지 제6항 중 어느 한 항에 있어서,
상기 제2 유로는, 상기 제3 유로보다 직경이 큰, 배기 가스 후처리 유닛. - 작업기(work implement);
엔진; 및
제1항 내지 제7항 중 어느 한 항에 기재된 배기 가스 후처리 유닛;
을 포함하는 작업 차량(work vehicle).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/063500 WO2017187640A1 (ja) | 2016-04-28 | 2016-04-28 | 排気ガス後処理ユニット及び作業車両 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170137601A true KR20170137601A (ko) | 2017-12-13 |
| KR101836959B1 KR101836959B1 (ko) | 2018-03-09 |
Family
ID=60160380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020167024506A Active KR101836959B1 (ko) | 2016-04-28 | 2016-04-28 | 배기 가스 후처리 유닛 및 작업 차량 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10215071B2 (ko) |
| JP (1) | JP6224843B1 (ko) |
| KR (1) | KR101836959B1 (ko) |
| CN (1) | CN107548430B (ko) |
| DE (1) | DE112016000025B4 (ko) |
| WO (1) | WO2017187640A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800006047A1 (it) * | 2018-06-05 | 2019-12-05 | Dispositivo di supporto per una tubazione di un veicolo | |
| CN109017278A (zh) * | 2018-07-28 | 2018-12-18 | 襄阳晟欣机电有限公司 | 一种矿用防爆滑移多功能车 |
| WO2021020168A1 (ja) * | 2019-07-31 | 2021-02-04 | コベルコ建機株式会社 | 建設機械の駆動装置及び架台 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3904801A1 (de) | 1989-02-17 | 1990-08-23 | Opel Adam Ag | Fluessigkeitskuehlsystem fuer eine aufgeladene brennkraftmaschine |
| JP2007009752A (ja) * | 2005-06-29 | 2007-01-18 | Toyota Motor Corp | リザーブタンク |
| US8171721B2 (en) * | 2007-01-22 | 2012-05-08 | International Engine Intellectual Property Company, Llc | Closed loop control of exhaust system fluid dosing |
| JP2009097479A (ja) * | 2007-10-19 | 2009-05-07 | Bosch Corp | 還元剤供給装置の制御装置及び制御方法 |
| EP2357333B1 (en) * | 2008-11-11 | 2017-01-11 | Hitachi Construction Machinery Co., Ltd | Exhaust gas processing device |
| JP5633190B2 (ja) * | 2010-05-25 | 2014-12-03 | いすゞ自動車株式会社 | 復帰制御システム |
| DE102010030343A1 (de) * | 2010-06-22 | 2011-12-22 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Eindosierung einer Flüssigkeit in den Abgasstrang einer Brennkraftmaschine |
| CN104775878B (zh) * | 2010-12-27 | 2017-08-11 | 博世株式会社 | 排气净化系统及排气净化系统的控制方法 |
| EP2568137B1 (de) * | 2011-09-08 | 2015-08-05 | Ford Global Technologies, LLC | Beheiztes Injektionssystem für Dieselmotor-Abgassysteme |
| JP5873399B2 (ja) * | 2012-06-26 | 2016-03-01 | 日野自動車株式会社 | 冷却水循環装置 |
| US9458746B2 (en) * | 2013-03-01 | 2016-10-04 | Cummins Emission Solutions Inc. | Systems and techniques for heating urea injection systems |
| DE112013000161C5 (de) | 2013-03-15 | 2023-03-16 | Komatsu Ltd. | Abgasnachbehandlungseinheit und ein diese enthaltendes Baufahrzeug |
| JP6217408B2 (ja) | 2014-01-24 | 2017-10-25 | コベルコ建機株式会社 | 建設機械の排気処理装置、および建設機械 |
-
2016
- 2016-04-28 WO PCT/JP2016/063500 patent/WO2017187640A1/ja not_active Ceased
- 2016-04-28 KR KR1020167024506A patent/KR101836959B1/ko active Active
- 2016-04-28 US US15/124,494 patent/US10215071B2/en active Active
- 2016-04-28 JP JP2016541692A patent/JP6224843B1/ja active Active
- 2016-04-28 CN CN201680000826.5A patent/CN107548430B/zh active Active
- 2016-04-28 DE DE112016000025.1T patent/DE112016000025B4/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20180106176A1 (en) | 2018-04-19 |
| CN107548430B (zh) | 2020-04-03 |
| KR101836959B1 (ko) | 2018-03-09 |
| DE112016000025T5 (de) | 2017-12-21 |
| JP6224843B1 (ja) | 2017-11-01 |
| CN107548430A (zh) | 2018-01-05 |
| WO2017187640A1 (ja) | 2017-11-02 |
| JPWO2017187640A1 (ja) | 2018-05-24 |
| US10215071B2 (en) | 2019-02-26 |
| DE112016000025B4 (de) | 2023-09-21 |
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