EP1166862A1 - Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten - Google Patents
Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten Download PDFInfo
- Publication number
- EP1166862A1 EP1166862A1 EP00112876A EP00112876A EP1166862A1 EP 1166862 A1 EP1166862 A1 EP 1166862A1 EP 00112876 A EP00112876 A EP 00112876A EP 00112876 A EP00112876 A EP 00112876A EP 1166862 A1 EP1166862 A1 EP 1166862A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- installation surface
- mixer
- angle
- flow channel
- adjustable
- 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
- 239000007789 gas Substances 0.000 title claims description 17
- 239000007788 liquid Substances 0.000 title claims description 8
- 238000009434 installation Methods 0.000 claims description 50
- 230000004888 barrier function Effects 0.000 description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000010327 methods by industry Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
-
- 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
- B01F25/4311—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being adjustable
-
- 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
- B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
- B01F25/43163—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod in the form of small flat plate-like elements
Definitions
- the invention relates to a mixer for mixing gases and others Newtonian liquids, with a flow channel and an arranged therein, the installation area influencing the flow, the installation area a vortex-generating surface with free flow, directed against the current Is leading edges, the course of which is both in the main flow direction of the Gases as well as a transverse component.
- a static mixer is known from DE 29 11 873 C2, in which the internals from diagonally flowed, delta-shaped or circular-shaped sheets exist, on the front edges of which vortexes arise.
- the stationary thus formed and stable vortex systems act in the wake, which too Mixing components are rolled up in layers, resulting in a rapid mixing with very low pressure drops. This way called "vortex installation areas" have because of the achievable short Mixing lines proven in practice.
- the invention has for its object a mixer for the mixture of gases and other Newtonian liquids with extended To create possible uses.
- the installation area is above the struts in the Flow channel supported, and at least one of the struts is in terms of their Position and / or their orientation adjustable.
- the non-adjustable struts form a fixed point bearing around which the installation area is pivotable by means of the adjustable struts.
- Another embodiment of the mixer according to the invention is characterized through a pivot axis of the installation surface, which is between two each other extends opposite walls of the flow channel.
- the adjustment range the device extends up to a setting angle of 0 °, i.e. to parallel flow around the installation area by the gas.
- Figure 1 shows in longitudinal section a flow channel 1 of, for example, rectangular Cross-section.
- the flow channel 1 is an inhomogeneous gas or Flows through liquid mixture.
- gases and liquids are here to understand all so-called “Newtonian liquids", i.e. Gases as well such fluids that are comparable in their fluidic properties behave to the gases.
- each installation surface 2 in the form of a flat disk arranged.
- the disc can be circular, elliptical, oval or delta or. triangular with tip pointing towards the flow.
- the disc is symmetrical with respect to their center line.
- the freely flowed against the Main flow direction 3 directed front edges 4 have both in Main flow direction 3, as well as a transverse component on.
- each installation surface 2 is at an acute angle ⁇ to the main flow direction 3 is arranged in the flow channel 1, arise on the Front edges two vortex fields, which are circular cone-shaped downstream spread.
- the individual vertebrae roll inwards onto the back 5 the installation area 2.
- the vertebrae formed on the leading edges 4 are strong are shown in simplified form on the drawing, behave largely stationary, therefore do not change their position.
- Each vortex field forms by its rotation a flow component transverse to the main flow direction 3 of the gas, due to the associated exchange of momentum across the flow direction good mixing of the gas mixture results.
- the angle of attack ⁇ is changeable, even during the operation of the Mixer.
- struts 6 which support the installation surface 2 with respect to the wall 7 of the flow channel 1, a strut 6a adjustable in its effective length. This is done via a Longitudinal adjustment of the strut 6a by means of a suitable hydraulic system 8.
- Hydraulics 8 can also be another drive, e.g. an electric drive used become.
- the other struts 6 form a fixed point bearing 6b.
- the length of the adjustable is not Brace 6a changed, but only its base point 9 is in the direction of the flow channel 1 relocated. However, this also changes the Angle of attack ⁇ of the disk-shaped installation surface.
- FIG 3 shows a translational adjustment of the location of the installation area in FIG Relation to the main flow direction 3 is provided. They are two separate ones There are drives, a drive for setting the angle of attack ⁇ , and a additional drive for translatory adjustment.
- each installation area 2 has via its own drive 10, can therefore be made with respect to its angle of attack set independently of the other installation area 2.
- each of these installation areas has its own Provide drive for the angle of attack, i.e. the angle of attack of each of the installation surfaces can be used independently of the other vortex-generating installation surfaces to adjust. Furthermore, the angle of attack can be in the same direction or how this can be seen in FIG. 6, set in opposite directions.
- FIG. 7 shows the flue gas routing in a flue gas denitrification plant (Denox plant).
- a flue gas denitrification plant (Denox plant).
- the angle of attack each separately by means of preferably separate Drives is adjustable.
- Plant the vertebrae that form on the leading edges 4 continues into a junction 12 of the channel.
- the axial extension of the Inflow channel 11 is by means of a flap 13 adjustable in two positions closed, which inevitably creates a flow from the Inflow channel 11 results in the branch 12.
- the junction 12 leads to a reactor (not shown in FIG. 7) with catalysts for flue gas denitrification.
- the flap 13 is moved into the position 13 'shown in dashed lines in FIG. transferred, the branch 12 to the flue gas denitrification plant is closed. Via the bypass line 14, the flue gas gets directly into one Channel 15. Mixing of the via the inflow channel 11 in the system In this case, smoke gas coming in is not necessary. For this reason are both installation surfaces 2 with an angle of 0 ° in relation to the Main flow direction 3 operated, i.e. the installation areas are parallel to the Main flow directed and the gas flows around it completely lossless.
- a flow channel 1 is again shown with a junction 12.
- the installation area 2 is at the level of the junction 12 in the flow channel 1.
- the Angle of attack ⁇ of the installation surface 2 with respect to the main flow direction 3 changeable by the flow channel 1.
- Barriers 17, 18 in Shaped blinds provided.
- the barrier 17 is located in the flow channel 1 downstream of the installation area 2.
- the barrier 18 is located on Entrance to junction 12.
- the barrier 17 In the operating state according to FIG. 8a, the barrier 17 is open, the barrier 18 completely closed.
- the installation area 2 is with a Angle of attack ⁇ operated from about 30 ° to 60 °, so that the generated Propagate vortex fields in flow channel 1.
- the shut-off 17 are again opened, and the barrier 18 closed.
- the angle of attack ⁇ of the installation surface 2 is however 0 °, i.e. the installation area 2 is flowed around in parallel without loss. A Mixing does not take place.
- the barrier 17 is closed and the Barrier 18 opened.
- the angle of attack ⁇ is very large in this case and is between 70 ° and 85 °. In this way, the vortex fields generated propagated into the junction 12.
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
Description
- Figur 1
- in einem Längsschnitt einen Mischer mit einer in einem Strömungskanal angeordneten Einbaufläche;
- Figur 2
- eine im Vergleich zu Figur 1 abgewandelte Ausführungsform des Mischers;
- Figur 3
- eine weitere Ausführungsform eines Mischers;
- Figur 4
- eine weitere Ausführungsform eines Mischers unter Verwendung zweier Einbauflächen;
- Figur 5
- einen Schnitt entlang der Ebene V-V durch den Mischer nach Figur 4;
- Figur 6
- eine weitere Ausführungsform eines Mischers mit mehreren in Reihe angeordneten, unabhängig voneinander einstellbaren Einbauflächen;
- Figur 7
- einen Teil einer verfahrenstechnischen Anlage mit zwei hintereinander in dem Strömungskanal angeordneten Einbauflächen und einer Bypaßsteuerung;
- Figur 8a
- einen im Bereich eines Abzweiges angeordneten Mischer in einer ersten Betriebsweise;
- Figur 8b
- den Mischer nach Figur 8a in einer zweiten Betriebsweise und
- Figur 8c
- den Mischer nach Figur 8a in einer dritten Betriebsweise.
- 1
- Strömungskanal
- 2
- Einbaufläche
- 2'
- veränderte Lage der Einbaufläche
- 3
- Hauptströmungsrichtung
- 4
- Vorderkante
- 5
- Rückseite
- 6
- Strebe
- 6a
- verstellbare Strebe
- 6b
- Festpunktlager
- 7
- Wand
- 8
- Hydraulik
- 10
- Antrieb
- 11
- Zuströmungskanal
- 12
- Abzweigung
- 13
- Klappe
- 13'
- andere Stellung der Klappe
- 14
- Bypaß-Kanal
- 15
- Kanal
- 17
- Absperrung
- 18
- Absperrung
- α
- Anstellwinkel
Claims (6)
- Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten, mit einem Strömungskanal (1) und einer darin angeordneten, die Strömung beeinflussenden Einbaufläche (2), wobei die Einbaufläche (2) eine wirbelerzeugende Fläche mit frei umströmten, gegen die Strömung gerichteten Vorderkanten (4) ist, deren Verlauf sowohl eine in Hauptströmungsrichtung (3) des Gases als auch eine quer hierzu verlaufende Komponente aufweist,
gekennzeichnet durch
eine Einrichtung zur Verstellung des Anstellwinkels (α) der Einbaufläche (2) in Bezug auf die Hauptströmungsrichtung (3). - Mischer nach Anspruch 1, dadurch gekennzeichnet, daß die Einbaufläche (2) über Streben (6, 6a) in dem Strömungskanal (1) abgestützt ist, und mindestens eine der Streben (6a) hinsichtlich ihrer Lage und/oder ihrer Ausrichtung verstellbar ausgebildet ist.
- Mischer nach Anspruch 2, dadurch gekennzeichnet, daß die nicht verstellbaren Streben (6) ein Festpunktlager 6b bilden, um das die Einbaufläche (2) mittels der verstellbaren Strebe (6a) verschwenkbar ist.
- Mischer nach Anspruch 1, gekennzeichnet durch eine Schwenkachse der Einbaufläche (2), die sich zwischen zwei einander gegenüberliegenden Wänden (7) des Strömungskanals (1) erstreckt.
- Mischer nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, daß der Verstellbereich der Einrichtung bis zu einem Anstellwinkel (α) von 0° reicht, d.h. bis zur parallelen Umströmung der Einbaufläche (2) durch das Gas.
- Mischer nach einem der vorangehenden Ansprüche, gekennzeichnet durch eine Verstelleinrichtung zur translatorischen Verstellung der Einbaufläche in Bezug auf die Hauptströmungsrichtung (3).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00112876A EP1166862B1 (de) | 2000-06-19 | 2000-06-19 | Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten |
DE50005198T DE50005198D1 (de) | 2000-06-19 | 2000-06-19 | Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00112876A EP1166862B1 (de) | 2000-06-19 | 2000-06-19 | Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1166862A1 true EP1166862A1 (de) | 2002-01-02 |
EP1166862B1 EP1166862B1 (de) | 2004-02-04 |
Family
ID=8169005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00112876A Expired - Lifetime EP1166862B1 (de) | 2000-06-19 | 2000-06-19 | Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1166862B1 (de) |
DE (1) | DE50005198D1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1514592A1 (de) * | 2003-09-11 | 2005-03-16 | Glunz Ag | Verfahren und Vorrichtung zum statischen Mischen, insbesondere zur Beleimung von lignocellulosehaltigen Fasern mit einem Bindemittel |
US7281844B2 (en) * | 2004-06-07 | 2007-10-16 | Robert W Glanville | Variable static mixer |
EP1886723A1 (de) | 2006-08-10 | 2008-02-13 | Robert W Glanville | Einstellbarer statischer Mischer |
WO2023067201A1 (de) * | 2021-10-23 | 2023-04-27 | Dimitrios Fotakis | VERBRENNUNGSANLAGE, INSBESONDERE GROßTECHNISCHE VERBRENNUNGSANLAGE, ODER BESTANDTEIL HIERVON, RAUCHGASUMLENKVORRICHTUNG FÜR EINE VERBRENNUNGSANLAGE UND VERWENDUNG DER RAUCHGASUMLENKVORRICHTUNG SOWIE EIN VERFAHREN ZUR TROCKNUNG VON KLÄRSCHLAMM |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017002811A1 (de) | 2017-03-22 | 2018-09-27 | Balcke-Dürr GmbH | Strömungskanal mit einer Mischvorrichtung |
US10737227B2 (en) | 2018-09-25 | 2020-08-11 | Westfall Manufacturing Company | Static mixer with curved fins |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1568410A (en) * | 1925-02-17 | 1926-01-05 | Clarke C Minter | Charge-supply means for internal-combustion engines and means for maintaining uniform mixture conditions of the charge |
JPS5315668A (en) * | 1976-07-28 | 1978-02-13 | Babcock Hitachi Kk | Gas mixing device |
DE2911873A1 (de) * | 1979-03-26 | 1980-11-20 | Balcke Duerr Ag | Kuehlturm |
DE8219268U1 (de) * | 1982-07-06 | 1982-10-07 | Balcke-Dürr AG, 4030 Ratingen | Vorrichtung zur vergleichmaessigung der stroemung |
EP0095791A2 (de) * | 1982-05-28 | 1983-12-07 | Shell Internationale Researchmaatschappij B.V. | Mischvorrichtung |
-
2000
- 2000-06-19 DE DE50005198T patent/DE50005198D1/de not_active Expired - Lifetime
- 2000-06-19 EP EP00112876A patent/EP1166862B1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1568410A (en) * | 1925-02-17 | 1926-01-05 | Clarke C Minter | Charge-supply means for internal-combustion engines and means for maintaining uniform mixture conditions of the charge |
JPS5315668A (en) * | 1976-07-28 | 1978-02-13 | Babcock Hitachi Kk | Gas mixing device |
DE2911873A1 (de) * | 1979-03-26 | 1980-11-20 | Balcke Duerr Ag | Kuehlturm |
DE2911873C2 (de) | 1979-03-26 | 1982-08-19 | Balcke-Dürr AG, 4030 Ratingen | Kühlturm |
EP0095791A2 (de) * | 1982-05-28 | 1983-12-07 | Shell Internationale Researchmaatschappij B.V. | Mischvorrichtung |
DE8219268U1 (de) * | 1982-07-06 | 1982-10-07 | Balcke-Dürr AG, 4030 Ratingen | Vorrichtung zur vergleichmaessigung der stroemung |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 002, no. 054 (M - 016) 19 April 1978 (1978-04-19) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1514592A1 (de) * | 2003-09-11 | 2005-03-16 | Glunz Ag | Verfahren und Vorrichtung zum statischen Mischen, insbesondere zur Beleimung von lignocellulosehaltigen Fasern mit einem Bindemittel |
US7281844B2 (en) * | 2004-06-07 | 2007-10-16 | Robert W Glanville | Variable static mixer |
EP1886723A1 (de) | 2006-08-10 | 2008-02-13 | Robert W Glanville | Einstellbarer statischer Mischer |
WO2023067201A1 (de) * | 2021-10-23 | 2023-04-27 | Dimitrios Fotakis | VERBRENNUNGSANLAGE, INSBESONDERE GROßTECHNISCHE VERBRENNUNGSANLAGE, ODER BESTANDTEIL HIERVON, RAUCHGASUMLENKVORRICHTUNG FÜR EINE VERBRENNUNGSANLAGE UND VERWENDUNG DER RAUCHGASUMLENKVORRICHTUNG SOWIE EIN VERFAHREN ZUR TROCKNUNG VON KLÄRSCHLAMM |
Also Published As
Publication number | Publication date |
---|---|
DE50005198D1 (de) | 2004-03-11 |
EP1166862B1 (de) | 2004-02-04 |
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