EP1107821A1 - Dispositif permettant de combiner des flux dissemblables - Google Patents
Dispositif permettant de combiner des flux dissemblablesInfo
- Publication number
- EP1107821A1 EP1107821A1 EP98944606A EP98944606A EP1107821A1 EP 1107821 A1 EP1107821 A1 EP 1107821A1 EP 98944606 A EP98944606 A EP 98944606A EP 98944606 A EP98944606 A EP 98944606A EP 1107821 A1 EP1107821 A1 EP 1107821A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stream
- baffle
- enclosure
- arrangement
- air
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
-
- 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
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
-
- 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
- B01F25/30—Injector mixers
-
- 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
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/311—Injector mixers in conduits or tubes through which the main component flows for mixing more than two components; Devices specially adapted for generating foam
- B01F25/3111—Devices specially adapted for generating foam, e.g. air foam
- B01F25/31112—Devices specially adapted for generating foam, e.g. air foam with additional mixing means other than injector mixers, e.g. screen or baffles
-
- 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
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
- B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
-
- 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
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4315—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material
Definitions
- the present invention relates to an arrangement and method for
- two (or more) dissimilar streams of material for example, two air streams at
- the structure of these arrangements typically includes a first air
- deflector In an alternative prior art arrangement, deflector
- vanes are inserted downstream of the injection jet to induce counter rotational
- streams of material may be used.
- streams of material for example, two air streams at different temperatures
- a tapered baffle is disposed
- duct is configured to comprise parallel and spaced-apart walls forming the floor
- the input port for the second stream is inserted through
- the floor of the duct and the baffle is tapered in a manner such that the widest part of the baffle is nearest the input port, narrowing across the width of the
- a first air stream (e.g., low
- a second air stream e.g., high
- the baffle results in creating a low pressure area along the face of the baffle
- a baffle may be
- baffle configured to as to include a gap area across the bottom edge of the baffle, near
- the gap allows for a stream of the low
- the homogeneous air stream is formed by a combination of low temperature air and high temperature air utilizing a baffle interposed between the air streams.
- a non-tapered baffle may be utilized to provide for the combination of two or more streams of material.
- a non-tapered baffle may be used in situations where a first, high velocity stream is to be combined with a second, low velocity stream.
- the input port of the low velocity stream could become strained, thus misdirecting the flow of low velocity material across the floor of the duct, resulting in inefficient mixing.
- a baffle configured as a non-tapered plate functions to shield the input port from the path of the high velocity stream.
- the low velocity material is able to extend across the width of the duct, resulting in more efficient mixing downstream.
- a plurality of dissimilar streams may be combined to form one, homogeneous stream by utilizing a plurality of separate baffles, each baffle being disposed upstream of one of a plurality of input ports.
- the plurality of input ports may be disposed in any desired location with respect to the enclosure.
- the ports may be positioned along the length of the enclosure or, alternatively, may be positioned across the width of the enclosure.
- the baffle may comprise a solid
- piece of material or, alternatively, may include one or more perforations.
- Figure 1 illustrates a view in perspective of an exemplary embodiment of
- Figure 2 contains a view of the arrangement of Figure 1 , taken along line
- Figure 3 contains an alternative view of the arrangement of Figure 1 ,
- FIG. 4 illustrates an alternative embodiment of the present invention
- Figure 5 is a view of the arrangement of Figure 4 taken along line 5-5;
- Figure 6 is an alternative view of the arrangement of Figure 4, taken along
- Figure 7 is a view of the arrangement of Figure 5, taken along line 7-7,
- Figure 8 illustrates, in a perspective view, an alternative arrangement of the present invention utilizing a plurality of baffles and associated input ports;
- Figure 9 contains a side view of the arrangement of Figure 8, taken along line 9-9 of Figure 8; and Figure 10 is a graph illustrating the results achieved utilizing the arrangement of the present invention as compared with a prior art arrangement, in particular, the improvement in temperature "mixing" achieved when combining low temperature air with high temperature air.
- Figure 1 illustrates an exemplary mixing arrangement 10 of the present invention. As shown, the arrangement comprises a tapered baffle 12 disposed
- baffle 12 in a duct 14 such that widest edge 16 of baffle 12 is in proximity with bottom wall 18 of duct 14. Baffle 12 then tapers into a point 20 in the proximity of top wall 22 of duct 14. It is to be understood that while duct 14 of this embodiment is illustrated as comprising a rectangular cross-section, any suitable enclosure of any predetermined geometry may be utilized. Additionally, the geometry of baffle 12 may differ in particular circumstances. For the arrangement of Figure 1 , baffle 12 is illustrated as comprising a conic section. Other tapered or non-tapered configurations may be utilized and fall within the spirit and scope of the present invention.
- Input port 24 protrudes through bottom wall 18 of duct 14 and is located downstream (with respect to the direction of the flow through duct 14) of baffle 12.
- the distance d between the center of input port 24 and baffle 12 (shown in Figure 2), is a matter of design, and provides either greater or lesser air pressure in the area therebetween, as a function of separation dL
- a first gas stream Gi is traveling along the length i of duct 14.
- Gas stream G may comprise oxygen, nitrogen, stream, air, or any other gaseous stream.
- a second gas stream G 2 travels through tubing 26 and is introduced into duct 14 via input port 24.
- the flow of first gas stream G past tapered baffle 12 creates a cavity of low pressure on the downstream side 28 of baffle 12.
- the path of second gas stream G 2 as shown in Figure 1 , thus enters the low pressure area.
- Figure 2 illustrates a side view of the arrangement described above in
- baffle 1 2 is sized such that top point 20 does not
- FIG. 1 illustrates a top view in perspective of the mixing arrangement of Figure 1 .
- sidewall 34 of baffle 1 2 is formed to comprise an arc of radius r, where
- This environment is suitable for treating light-weight,
- soft paper products including those having a basis weight of less than 5 and
- mixing arrangement 50 is greater than 200 grams per square meter.
- baffle 52 disposed in a conduit (or similar enclosure) 54, where
- baffle 52 is located upstream (with respect to the direction of flow through
- conduit 54 a predetermined distance d (illustrated in Figure 5) from an input
- conduit 54 length of conduit 54 and impinges upon baffle 52 so as to create a low pressure
- baffle 52 includes a lower gap area formed by displacing
- baffle 52 a predetermined gap distance g. (illustrated in
- perforations should be limited so as to not disrupt the low pressure region
- Another feature of this particular embodiment is
- a particular advantage associated with this arrangement is that the injection point of stream A H , GH will remain above the flow path of A L0W . Therefore, the passage of stream A L0W will not disrupt stream A H
- Figure 6 illustrates a top view of arrangement 50.
- tapered baffle 52 includes a triangular geometry and comprises a pair of sidewalls 62 and 64 displaced by a predetermined angle ⁇ .
- Low temperature air stream A L0W travels past baffle 52 so as to create a low pressure region 66 between input port 56 and baffle 52. Therefore, high temperature air stream A H , GH will naturally enter this low pressure cavity and effectively mix with stream A L0W to form output air stream A M , X .
- Figure 7 contains a perspective view of the arrangement of Figure 5, taken along line 7-7.
- Figure 7-7 contains the gap area 55 between baffle and lower surface 60 of conduit 54.
- only small leg portions 57,59 of baffle 52 are in contact with surface 60 (for stability purposes), allowing for a steady stream of A L0W to pass through gap area 55 and provide cooling to baffle 52.
- FIG. 8 illustrates one such arrangement of the present invention that is particularly well-suited for this purpose. Additionally, Figure 8 illustrates an arrangement including a pair of baffles and associated input ports since, as discussed earlier, the technique of the present invention may be extended to provide for the combining of any number of dissimilar materials. Indeed,
- the multiple baffle/port arrangements may be disposed in any desired
- arrangement 70 includes a first baffle
- baffle plate 72 and a second baffle plate 74, each baffle plate being disposed to
- V H for example, a clear liquid
- V L1 (for example, an emulsifier) is introduced into enclosure 76 via a
- an emulsifier of a different composition and/or velocity is introduced
- each input port is located a predetermined distance
- arrangement 70 allows for the formation of low pressure areas
- the low pressure areas allow for low velocity
- structure of the present invention may be formed as a multiple unit structure
- a second baffle section 82 may be attached to the top portion of
- first baffle plate 72 where second section 82 would allow for the baffle
- baffle size and shape may be adjusted, over time, to
- Figure 9 contains a cut-away side view of arrangement 70 of Figure 8,
- first input port 78 causes first input port 78 to bend, as shown in phantom in Figure 9.
- Figure 1 0 is a graph illustrating temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Fiber Materials (AREA)
- Drying Of Solid Materials (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Toys (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US1998/017967 WO2000012202A1 (fr) | 1998-08-28 | 1998-08-28 | Dispositif permettant de combiner des flux dissemblables |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1107821A1 true EP1107821A1 (fr) | 2001-06-20 |
EP1107821B1 EP1107821B1 (fr) | 2003-06-04 |
Family
ID=22267779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98944606A Expired - Lifetime EP1107821B1 (fr) | 1998-08-28 | 1998-08-28 | Dispositif et methode permettant de combiner des flux dissemblables |
Country Status (13)
Country | Link |
---|---|
EP (1) | EP1107821B1 (fr) |
JP (1) | JP2002523228A (fr) |
KR (1) | KR100515233B1 (fr) |
CN (1) | CN1105595C (fr) |
AR (1) | AR020352A1 (fr) |
AU (1) | AU746491B2 (fr) |
BR (1) | BR9815994A (fr) |
CO (1) | CO4960669A1 (fr) |
DE (1) | DE69815403D1 (fr) |
HK (1) | HK1039582A1 (fr) |
SV (1) | SV1999000142A (fr) |
TW (1) | TW457123B (fr) |
WO (1) | WO2000012202A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7547134B2 (en) | 2004-02-27 | 2009-06-16 | Haldor Topsoe A/S | Arrangement for mixing of fluid streams |
US8096701B2 (en) | 2006-01-28 | 2012-01-17 | Fisia Babcock Environment Gmbh | Method and apparatus for mixing a gaseous fluid with a large gas stream, especially for introducing a reducing agent into a flue gas containing nitrogen oxides |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4961847B2 (ja) * | 2006-06-12 | 2012-06-27 | いすゞ自動車株式会社 | 排気ガス浄化方法及び排気ガス浄化システム |
DE102007035226A1 (de) | 2007-07-25 | 2009-01-29 | J. Eberspächer GmbH & Co. KG | Strömungsleiteinrichtung sowie damit ausgestattete Abgasanlage |
US9310076B2 (en) | 2007-09-07 | 2016-04-12 | Turbulent Energy Llc | Emulsion, apparatus, system and method for dynamic preparation |
US8715378B2 (en) | 2008-09-05 | 2014-05-06 | Turbulent Energy, Llc | Fluid composite, device for producing thereof and system of use |
US9144774B2 (en) | 2009-09-22 | 2015-09-29 | Turbulent Energy, Llc | Fluid mixer with internal vortex |
US20100281766A1 (en) | 2007-09-07 | 2010-11-11 | David Livshits | Dynamic Mixing of Fluids |
US9708185B2 (en) | 2007-09-07 | 2017-07-18 | Turbulent Energy, Llc | Device for producing a gaseous fuel composite and system of production thereof |
US8871090B2 (en) | 2007-09-25 | 2014-10-28 | Turbulent Energy, Llc | Foaming of liquids |
US8844495B2 (en) | 2009-08-21 | 2014-09-30 | Tubulent Energy, LLC | Engine with integrated mixing technology |
FR2952311A1 (fr) * | 2009-11-09 | 2011-05-13 | Renault Sa | Dispositif de melange de deux flux de gaz a temperature differente |
US8317390B2 (en) * | 2010-02-03 | 2012-11-27 | Babcock & Wilcox Power Generation Group, Inc. | Stepped down gas mixing device |
US20130176814A1 (en) | 2010-09-28 | 2013-07-11 | Dow Global Technologies Llc | Reactive flow static mixer with cross flow obstructions |
DE102011077645A1 (de) | 2011-06-16 | 2012-12-20 | Bosch Emission Systems Gmbh & Co. Kg | Statischer Mischer |
EP2570179A1 (fr) * | 2011-09-16 | 2013-03-20 | Air Liquide Deutschland GmbH | Méthode et appareil pour la production dynamique de mélange de gaz |
JP6296884B2 (ja) * | 2014-04-30 | 2018-03-20 | 三菱日立パワーシステムズ株式会社 | 排煙脱硫装置 |
GB2533331A (en) * | 2014-12-16 | 2016-06-22 | Daimler Ag | Mixing device for an exhaust gas system |
JP6377575B2 (ja) * | 2015-05-21 | 2018-08-22 | 住友金属鉱山株式会社 | 流体吹込装置及びこれを用いた化学反応装置 |
JP6690485B2 (ja) * | 2016-09-20 | 2020-04-28 | 住友金属鉱山株式会社 | 化学反応装置、および、化学反応装置を用いた粒子の製造方法 |
CN108479325A (zh) * | 2018-05-16 | 2018-09-04 | 山东志伟环保科技有限公司 | 一种氧化脱硝的混合装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5233822B2 (fr) * | 1972-03-18 | 1977-08-31 | ||
DE3043239C2 (de) * | 1980-11-15 | 1985-11-28 | Balcke-Dürr AG, 4030 Ratingen | Verfahren und Vorrichtung zum Vermischen mindestens zweier fluider Teilströme |
US5159958A (en) * | 1991-07-18 | 1992-11-03 | Hydro Systems Company | Chemical eductor with integral elongated air gap |
JPH06510229A (ja) * | 1991-09-03 | 1994-11-17 | ラグサ,ギセツペ | 空気濾過器 |
CH687831A5 (de) * | 1993-04-08 | 1997-02-28 | Asea Brown Boveri | Vormischbrenner. |
DE4412261C2 (de) * | 1994-04-09 | 1996-10-17 | Jonas Konrad H | Vorrichtung zum Zusammenführen wenigstens zweier Fließmedien |
KR0161082B1 (ko) * | 1995-10-11 | 1999-01-15 | 김광호 | 석유연소기기 |
-
1998
- 1998-08-28 CN CN98814291A patent/CN1105595C/zh not_active Expired - Fee Related
- 1998-08-28 BR BR9815994-1A patent/BR9815994A/pt not_active IP Right Cessation
- 1998-08-28 JP JP2000567295A patent/JP2002523228A/ja active Pending
- 1998-08-28 KR KR10-2001-7002480A patent/KR100515233B1/ko not_active IP Right Cessation
- 1998-08-28 DE DE69815403T patent/DE69815403D1/de not_active Expired - Lifetime
- 1998-08-28 AU AU92112/98A patent/AU746491B2/en not_active Ceased
- 1998-08-28 EP EP98944606A patent/EP1107821B1/fr not_active Expired - Lifetime
- 1998-08-28 WO PCT/US1998/017967 patent/WO2000012202A1/fr active IP Right Grant
-
1999
- 1999-08-27 AR ARP990104329A patent/AR020352A1/es unknown
- 1999-08-27 CO CO99054267A patent/CO4960669A1/es unknown
- 1999-08-27 SV SV1999000142A patent/SV1999000142A/es unknown
- 1999-10-29 TW TW088114685A patent/TW457123B/zh not_active IP Right Cessation
-
2002
- 2002-02-18 HK HK02101142.3A patent/HK1039582A1/zh unknown
Non-Patent Citations (1)
Title |
---|
See references of WO0012202A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7547134B2 (en) | 2004-02-27 | 2009-06-16 | Haldor Topsoe A/S | Arrangement for mixing of fluid streams |
US8096701B2 (en) | 2006-01-28 | 2012-01-17 | Fisia Babcock Environment Gmbh | Method and apparatus for mixing a gaseous fluid with a large gas stream, especially for introducing a reducing agent into a flue gas containing nitrogen oxides |
Also Published As
Publication number | Publication date |
---|---|
KR20010106455A (ko) | 2001-11-29 |
KR100515233B1 (ko) | 2005-09-16 |
AU746491B2 (en) | 2002-05-02 |
SV1999000142A (es) | 2000-07-06 |
AR020352A1 (es) | 2002-05-08 |
BR9815994A (pt) | 2001-10-16 |
CN1105595C (zh) | 2003-04-16 |
CO4960669A1 (es) | 2000-09-25 |
EP1107821B1 (fr) | 2003-06-04 |
WO2000012202A1 (fr) | 2000-03-09 |
HK1039582A1 (zh) | 2002-05-03 |
TW457123B (en) | 2001-10-01 |
JP2002523228A (ja) | 2002-07-30 |
DE69815403D1 (de) | 2003-07-10 |
AU9211298A (en) | 2000-03-21 |
CN1314824A (zh) | 2001-09-26 |
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