JP5939174B2 - 液体を用いたエンジン用後処理装置 - Google Patents
液体を用いたエンジン用後処理装置 Download PDFInfo
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- JP5939174B2 JP5939174B2 JP2013028852A JP2013028852A JP5939174B2 JP 5939174 B2 JP5939174 B2 JP 5939174B2 JP 2013028852 A JP2013028852 A JP 2013028852A JP 2013028852 A JP2013028852 A JP 2013028852A JP 5939174 B2 JP5939174 B2 JP 5939174B2
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- 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
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- 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
- B01D53/14—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 by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
- F01N3/0842—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/30—Ionic liquids and zwitter-ions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/01—Engine exhaust gases
- B01D2258/012—Diesel engines and lean burn gasoline engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/20—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a flow director or deflector
-
- 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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/30—Honeycomb supports characterised by their structural details
- F01N2330/38—Honeycomb supports characterised by their structural details flow channels with means to enhance flow mixing,(e.g. protrusions or projections)
-
- 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
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
-
- 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
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Description
設され、エンジン燃焼排気ガスに含まれる特定ガス成分を、該特定ガス成分を吸収可能な吸収液体と接触させる気液接触手段と、該気液接触手段に吸収液体を供給する液体供給装置を備える後処理装置において、
上記気液接触手段は、内部を気液接触通路とする多孔性基体を筒状体に収容し、該筒状体の一端側に上記液体供給装置を配設して、上記多孔性基体の一端面と対向させるとともに、上記一端側に排気を導入する排気導入手段を設け、
上記排気導入手段は、上記多孔性基体の一端面と上記液体供給装置の供給口の間の空間を排気導入部とし、該排気導入部と排気通路を仕切る仕切り壁に、排気の流通および液体の供給を妨げない開口部を備えており、
上記多孔性基体は、表面を気液接触面とする気液接触板(21)を複数積層して、内部に多数の上記気液接触通路を形成したハニカム構造体であり、通路壁となる上記気液接触板を貫通して隣り合う通路間を連通する多数の通孔(24)を有するとともに、該通孔の形成箇所を、液体供給方向の上流側に対して下流側で少なくしている。
吸収液体となるイオン液体は粘性が比較的大きく、上流側で速やかに気液接触板21の両表面に拡げるために、多数の通孔24を近接配置することが有効となる。一方、表面に拡がった吸収液体は排気流れと自重でそのまま流れるため、下流側の通孔24の数を減らして圧損の増加を抑制することができる。
EX 排気管(排気通路)
H 筒状ハウジング(筒状体)
1 湿式後処理装置(後処理装置)
2 NOx吸収部(気液接触手段)
21 気液接触板
22 気液接触通路
23 ハニカム構造体(多孔性基体)
3 液体供給装置
4 排気導入手段
41 排気導入部
42 仕切り板(仕切り壁)
43 開口部
44 内筒
47 環状通路
Claims (8)
- エンジン(E)の排気通路(EX)の途中に配設され、エンジン燃焼排気ガスに含まれる特定ガス成分を、該特定ガス成分を吸収可能な吸収液体と接触させる気液接触手段(2)と、該気液接触手段に吸収液体を供給する液体供給装置(3)を備える後処理装置(1)において、
上記気液接触手段は、内部を気液接触通路(22)とする多孔性基体(23)を筒状体(H)に収容し、該筒状体の一端側に上記液体供給装置を配設して、上記多孔性基体の一端面と対向させるとともに、上記一端側に排気を導入する排気導入手段(4)を設け、
上記排気導入手段は、上記多孔性基体の一端面と上記液体供給装置の供給口(32)の間の空間を排気導入部(41)とし、該排気導入部と排気通路を仕切る仕切り壁(42、44)に、排気の流通および液体の供給を妨げない開口部(43、46)を備えており、
上記多孔性基体は、表面を気液接触面とする気液接触板(21)を複数積層して、内部に多数の上記気液接触通路を形成したハニカム構造体であり、通路壁となる上記気液接触板を貫通して隣り合う通路間を連通する多数の通孔(24)を有するとともに、該通孔の形成箇所を、液体供給方向の上流側に対して下流側で少なくしたことを特徴とする液体を用いたエンジン用後処理装置。 - 上記多孔性基体は、上記通孔の形成箇所を、液体供給方向の上流側のみとした請求項1記載の液体を用いたエンジン用後処理装置。
- 上記排気導入手段は、上記筒状体の上記一端側の筒内であって上記液体供給装置の供給口より上流に、上記開口部(43)となる多数の開孔を設けた上記仕切り壁(42)を配置し、上記排気導入部に上流側から排気を導入する請求項1または2に記載の液体を用いたエンジン用後処理装置。
- 上記排気導入手段は、上記筒状体の上記一端側を二重筒状として、内筒(44)内に上記排気導入部を形成し、内外筒間に、排気通路が接続される環状通路(47)を構成するとともに、上記仕切り壁となる内筒壁に、上記環状通路と上記排気導入部を連通する上記開口部(46)を設けて、上記排気導入部に外周側から排気を導入する請求項1または2に記載の液体を用いたエンジン用後処理装置。
- 上記ハニカム構造体は、上記気液接触板となる波板状の気液接触板(21a)と平板状の気液接触板(21b)を交互に積層した積層体からなり、上記波板状の気液接触板と上記平板状の気液接触板の少なくとも一方に、上記通孔を有する請求項1ないし4のいずれか1項に記載の液体を用いたエンジン用後処理装置。
- 上記多孔性基体の上記通孔は、上記気液接触板の所定箇所を切り開いて形成され、切り開いた切欠片(25)を、液体供給方向に整列させる請求項1ないし5のいずれか1項に記載の液体を用いたエンジン用後処理装置。
- 上記吸収液体は、水よりも粘性が大きく、使用環境下において液体状態を維持するイオン液体である請求項1ないし6のいずれか1項に記載の液体を用いたエンジン用後処理装置。
- 上記特定ガス成分は、窒素酸化物成分である請求項1ないし7のいずれか1項に記載の液体を用いたエンジン用後処理装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013028852A JP5939174B2 (ja) | 2013-02-18 | 2013-02-18 | 液体を用いたエンジン用後処理装置 |
| DE102014101634.3A DE102014101634B4 (de) | 2013-02-18 | 2014-02-11 | Nachbehandlungsvorrichtung, die Flüssigkeit verwendet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013028852A JP5939174B2 (ja) | 2013-02-18 | 2013-02-18 | 液体を用いたエンジン用後処理装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014156837A JP2014156837A (ja) | 2014-08-28 |
| JP5939174B2 true JP5939174B2 (ja) | 2016-06-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013028852A Expired - Fee Related JP5939174B2 (ja) | 2013-02-18 | 2013-02-18 | 液体を用いたエンジン用後処理装置 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5939174B2 (ja) |
| DE (1) | DE102014101634B4 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107303459A (zh) * | 2016-04-25 | 2017-10-31 | 云南民族大学 | 超重力技术无害化脱除低浓度NOx的装置 |
| CN117046283A (zh) * | 2017-07-25 | 2023-11-14 | 史汉祥 | 一种烟气净化反应器 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5310265Y2 (ja) * | 1973-07-18 | 1978-03-18 | ||
| JPS605335B2 (ja) * | 1976-10-19 | 1985-02-09 | 三菱樹脂株式会社 | 気液接触用充填材 |
| JPH0753223B2 (ja) * | 1993-02-17 | 1995-06-07 | 東洋熱工業株式会社 | 汚染空気浄化方法および装置 |
| JP2002306958A (ja) | 2001-04-11 | 2002-10-22 | Kansai Electric Power Co Inc:The | 気液接触板および気液接触装置 |
| US7562521B2 (en) | 2004-02-02 | 2009-07-21 | Tokyo Roki Co., Ltd. | SCR muffler |
| JP5516445B2 (ja) | 2011-02-01 | 2014-06-11 | 株式会社デンソー | 内燃機関の排気浄化装置 |
| JP2012217918A (ja) * | 2011-04-08 | 2012-11-12 | Denso Corp | ガス分離回収装置及びガス分離回収方法 |
-
2013
- 2013-02-18 JP JP2013028852A patent/JP5939174B2/ja not_active Expired - Fee Related
-
2014
- 2014-02-11 DE DE102014101634.3A patent/DE102014101634B4/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014156837A (ja) | 2014-08-28 |
| DE102014101634A1 (de) | 2014-08-21 |
| DE102014101634B4 (de) | 2019-05-23 |
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