JP2013226550A - 静止型ガスミキサー - Google Patents
静止型ガスミキサー Download PDFInfo
- Publication number
- JP2013226550A JP2013226550A JP2013091097A JP2013091097A JP2013226550A JP 2013226550 A JP2013226550 A JP 2013226550A JP 2013091097 A JP2013091097 A JP 2013091097A JP 2013091097 A JP2013091097 A JP 2013091097A JP 2013226550 A JP2013226550 A JP 2013226550A
- Authority
- JP
- Japan
- Prior art keywords
- baffle plate
- holes
- mixer
- mixer according
- mixing
- 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
Links
- 230000003068 static effect Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 7
- 238000002485 combustion reaction Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 9
- 239000008246 gaseous mixture Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 49
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 230000003197 catalytic effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000004513 sizing Methods 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/10—Mixing gases with gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/421—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path
- B01F25/423—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path by means of elements placed in the receptacle for moving or guiding the components
- B01F25/4233—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path by means of elements placed in the receptacle for moving or guiding the components using plates with holes, the holes being displaced from one plate to the next one to force the flow to make a bending movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
-
- 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
- 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
- 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 ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
【解決手段】本発明はガス状の混合物の成分の混合装置に関する。本発明は、同様に、対応して適用される方法と、内燃機関の排気ガスの成分を還元剤と混合するための本発明による装置の使用と、対応して設計されるリアクタとに関する。
【選択図】図1
Description
ミキサーの個々の構成部分の寸法決定に関しては、実施例として提示する図1および2を参照する。この場合、バッフルプレートおよび孔の寸法は、実施例として、高さが10cmで、直径が約2.25cmのミキサーに基づいて表現されている。以下の数値は、選択されたミキサーの直径に対して変化し得ることを指摘しておく。
触媒コンバータへの流入部の上流側におけるガス流れの混合の均質性を、CFD(計算流体力学:Computational Fluid Dynamics)(Industrial e−News Bulletin、Air Pollution Control Systems、Blender Products、800−523−5705;http://de.wikipedia.org/wiki/Numerische_Str%C3%B6mungsmechanik)によって計算した。ガスの流れの場と濃度分布とに対する混合の影響を数学的に決定した。このため、ミキサーの所定の形状データを数学モデルに変換し、3次元CFD計算を、1組の境界条件(質量流量、温度)について実施した。
側流からのNH3(N2中への10%のNH3注入): 450ppm
NO: 500ppm
O2: 5%
H2O: 5%
残部はN2
2: 少なくとも2つの孔を備えたバッフルプレート
3、3’:それぞれ流入側および流出側のバッフルプレートの孔
4: 少なくとも2つの孔を備えたバッフルプレートの孔
5: ミキサーの壁面/ハウジング
Claims (11)
- ガス流れ中の成分を混合するための静止型ミキサーであり、混合物の成分の流れの方向に互いに前後に配置される少なくとも2つのバッフルプレート(2)であって、それぞれ、少なくとも2つの偏心配置された孔(4)を有する少なくとも2つのバッフルプレート(2)がその中に配置されるハウジング(5)を有する静止型ミキサーであって、先行するバッフルプレートの孔と、それぞれ後続するバッフルプレートの孔とが、相互に、中心の縦軸の回りに角度をずらして配置される静止型ミキサーにおいて、
前記先行するバッフルプレートの孔がそのバッフルプレートの一方の側の半分に位置するのに対し、それぞれ後続のバッフルプレートの孔は、そのバッフルプレートのもう一方の側の半分に位置する、
ことを特徴とする静止型ミキサー。 - 前記ハウジング(5)が円筒形に構成される、
ことを特徴とする請求項1に記載の静止型ミキサー。 - 前記ミキサーの流入部および/または流出部が、同心の孔(3、3’)を備えたバッフルプレート(1、1’)によって形成される、
ことを特徴とする請求項1または2に記載の静止型ミキサー。 - 3つのバッフルプレート(2)が互いに前後に配置される、
ことを特徴とする請求項1〜3のいずれか一項に記載の静止型ミキサー。 - バッフルプレート(2)が、それぞれ、2つの偏心配置された孔を有する、
ことを特徴とする請求項1〜4のいずれか一項に記載の静止型ミキサー。 - 1つのバッフルプレート(2)およびその次のバッフルプレート(2)の孔が、縦軸の回りに180°の角度だけ互いにずらして配置される、
ことを特徴とする請求項1〜5のいずれか一項に記載の静止型ミキサー。 - 前記バッフルプレートが互いに平行に配置される、
ことを特徴とする請求項1〜6のいずれか一項に記載の静止型ミキサー。 - 前記バッフルプレートが、前記ハウジングの縦軸に直角に配置される、
ことを特徴とする請求項1〜7のいずれか一項に記載の静止型ミキサー。 - ガス流れ中の混合物の成分を混合する方法において、
混合物の1つの成分を、他の成分と共に、請求項1〜8のいずれか一項に記載のミキサーの中に導入する、
ことを特徴とする方法。 - 請求項1〜8のいずれか一項に記載のミキサーの使用において、
前記ミキサーが、内燃機関の排気ガス中に存在するガス成分と還元剤とを混合するために使用される、
ことを特徴とする使用。 - 請求項1〜8のいずれか一項に記載の静止型ミキサーを備えるリアクタ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012008108A DE102012008108A1 (de) | 2012-04-25 | 2012-04-25 | Statischer Gasmischer |
DE102012008108.1 | 2012-04-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013226550A true JP2013226550A (ja) | 2013-11-07 |
JP6319949B2 JP6319949B2 (ja) | 2018-05-09 |
Family
ID=48050558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013091097A Active JP6319949B2 (ja) | 2012-04-25 | 2013-04-24 | 静止型ガスミキサー |
Country Status (4)
Country | Link |
---|---|
US (1) | US9346026B2 (ja) |
EP (1) | EP2656908B1 (ja) |
JP (1) | JP6319949B2 (ja) |
DE (1) | DE102012008108A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170056846A1 (en) * | 2014-05-09 | 2017-03-02 | Dow Global Technologies Llc | Static mixer |
CN107441974A (zh) * | 2017-09-26 | 2017-12-08 | 钱康 | 节能型静态混合装置 |
CN110237734A (zh) * | 2019-06-10 | 2019-09-17 | 中国石油大学(北京) | 气体混合器及废气处理装置 |
US20230181863A1 (en) | 2021-12-14 | 2023-06-15 | Drägerwerk AG & Co. KGaA | Supply device and process for supplying a patient-side coupling unit with a gas mixture |
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JPS49140509U (ja) * | 1973-04-05 | 1974-12-04 | ||
JPS5087564U (ja) * | 1973-12-15 | 1975-07-25 | ||
JPS5173965A (ja) * | 1974-12-24 | 1976-06-26 | Fujikura Ltd | |
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US6159429A (en) * | 1999-04-30 | 2000-12-12 | Bemel; Milton M. | Apparatus for treating hydrocarbon and carbon monoxide gases |
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JP2002213233A (ja) * | 2001-01-12 | 2002-07-31 | Komatsu Ltd | エンジンの排気浄化構造 |
JP2003232218A (ja) * | 2002-02-08 | 2003-08-22 | Hino Motors Ltd | エンジンの排ガス浄化装置 |
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WO2006099069A1 (en) * | 2005-03-10 | 2006-09-21 | Arvin Technologies, Inc. | Plasma fuel reformer |
WO2007099288A2 (en) * | 2006-02-28 | 2007-09-07 | Peter Stein | Gas retention vessel |
JP2008161734A (ja) * | 2006-12-26 | 2008-07-17 | Ngk Insulators Ltd | 機能水生成装置及びそれを用いた機能水生成方法 |
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2012
- 2012-04-25 DE DE102012008108A patent/DE102012008108A1/de not_active Withdrawn
-
2013
- 2013-04-10 EP EP13163038.6A patent/EP2656908B1/en not_active Not-in-force
- 2013-04-16 US US13/863,654 patent/US9346026B2/en not_active Expired - Fee Related
- 2013-04-24 JP JP2013091097A patent/JP6319949B2/ja active Active
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JPS49140509U (ja) * | 1973-04-05 | 1974-12-04 | ||
JPS5087564U (ja) * | 1973-12-15 | 1975-07-25 | ||
JPS5173965A (ja) * | 1974-12-24 | 1976-06-26 | Fujikura Ltd | |
JPS52131666U (ja) * | 1976-04-01 | 1977-10-06 | ||
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Also Published As
Publication number | Publication date |
---|---|
US20130286770A1 (en) | 2013-10-31 |
EP2656908B1 (en) | 2016-02-24 |
DE102012008108A1 (de) | 2013-10-31 |
US9346026B2 (en) | 2016-05-24 |
JP6319949B2 (ja) | 2018-05-09 |
EP2656908A1 (en) | 2013-10-30 |
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