EP1166862B1 - Mélangeur pour mélanger des gaz et d'autres liquides newtoniens - Google Patents

Mélangeur pour mélanger des gaz et d'autres liquides newtoniens Download PDF

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Publication number
EP1166862B1
EP1166862B1 EP00112876A EP00112876A EP1166862B1 EP 1166862 B1 EP1166862 B1 EP 1166862B1 EP 00112876 A EP00112876 A EP 00112876A EP 00112876 A EP00112876 A EP 00112876A EP 1166862 B1 EP1166862 B1 EP 1166862B1
Authority
EP
European Patent Office
Prior art keywords
mixer
insertion surface
angle
flow channel
adjustment
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.)
Expired - Lifetime
Application number
EP00112876A
Other languages
German (de)
English (en)
Other versions
EP1166862A1 (fr
Inventor
Hans Prof. Dr.-Ing. Ruscheweyh
Michael Dipl.-Ing. Kaatz
Miroslav Dr.-Ing. Podhorsky
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Balcke Duerr GmbH
Original Assignee
Balcke Duerr GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Balcke Duerr GmbH filed Critical Balcke Duerr GmbH
Priority to DE50005198T priority Critical patent/DE50005198D1/de
Priority to EP00112876A priority patent/EP1166862B1/fr
Publication of EP1166862A1 publication Critical patent/EP1166862A1/fr
Application granted granted Critical
Publication of EP1166862B1 publication Critical patent/EP1166862B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 component running transversely thereto, one Device for adjusting the angle of attack of the installation surface in relation to the Main flow direction is provided.
  • Mixers of the known type are known for example from DE 82 19 268 U and EP-A-0 095 791 known.
  • 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 to provide a mixer for the mixture of gases and other Newtonian liquids with expanded uses.
  • a mixer with the features mentioned at the outset is characterized by an adjustment device for translatory adjustment of the installation surface with respect to the main flow direction.
  • the installation area is above 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 of an inhomogeneous Flows through gas or 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 disk can be circular, elliptical, oval or delta- or triangular with the tip pointing towards the flow.
  • the disc is symmetrical with respect to their center line.
  • the flow around freely against Main flow direction 3 directed front edges 4 both have a 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 conical 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 impulses across the flow direction good mixing of the gas mixture results.
  • the angle of attack ⁇ can be changed, 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 changes, but only its base 9 is in the direction of the flow channel 1 relocated. However, this also changes the Angle of attack a of the disk-shaped installation surface.
  • FIG 3 shows a translational adjustment of the location of the installation surface according to the invention 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 Figure 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 a setting 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 are generated propagated into the junction 12.

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)

Claims (5)

  1. Mélangeur pour mélanger des gaz et d'autres liquides newtoniens, avec un canal d'écoulement (1) et une surface rapportée (2) placée à l'intérieur et influençant l'écoulement, la surface rapportée (2) étant une surface productrice de turbulences avec des bords antérieurs (4) librement exposés à l'écoulement et dirigés contre celui-ci, dont l'extension présente à la fois une composante dans la direction principale d'écoulement (3) du gaz et une composante transversale à celle-ci, un dispositif de déplacement de l'angle de prise (α) de la surface rapportée (2) par rapport à la direction principale d'écoulement (3) étant prévu, caractérisé par un dispositif de déplacement pour le déplacement en translation de la surface rapportée par rapport à la direction principale d'écoulement (3).
  2. Mélangeur selon la revendication 1, caractérisé en ce que la surface rapportée (2) est soutenue par des étais (6, 6a) dans le canal d'écoulement, et au moins l'un des étais (6a) est réalisé mobile en termes de position et/ou d'orientation.
  3. Mélangeur selon la revendication 2, caractérisé en ce que les étais non mobiles (6) forment un appui ponctuel fixe (6b) autour duquel la surface rapportée (2) peut pivoter au moyen de l'étai mobile (6a).
  4. Mélangeur selon la revendication 1, caractérisé par un axe de pivotement de la surface rapportée (2) qui s'étend entre deux parois mutuellement opposées (7) du canal d'écoulement (1).
  5. Mélangeur selon l'une quelconque des revendications précédentes, caractérisé en ce que la plage de déplacement du dispositif va jusqu'à un angle de prise (α) de 0°, c'est-à-dire jusqu'à un écoulement du gaz parallèlement à la surface rapportée (2).
EP00112876A 2000-06-19 2000-06-19 Mélangeur pour mélanger des gaz et d'autres liquides newtoniens Expired - Lifetime EP1166862B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE50005198T DE50005198D1 (de) 2000-06-19 2000-06-19 Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten
EP00112876A EP1166862B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger des gaz et d'autres liquides newtoniens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00112876A EP1166862B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger des gaz et d'autres liquides newtoniens

Publications (2)

Publication Number Publication Date
EP1166862A1 EP1166862A1 (fr) 2002-01-02
EP1166862B1 true EP1166862B1 (fr) 2004-02-04

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Family Applications (1)

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EP00112876A Expired - Lifetime EP1166862B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger des gaz et d'autres liquides newtoniens

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EP (1) EP1166862B1 (fr)
DE (1) DE50005198D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10341960B4 (de) * 2003-09-11 2008-02-07 Glunz Ag Mischverfahren und statischer Mischer, insbesondere zur Beleimung von lignocellulosehaltigen Fasern mit einem Bindemittel
US7281844B2 (en) * 2004-06-07 2007-10-16 Robert W Glanville Variable static mixer
EP1886723B1 (fr) 2006-08-10 2009-04-22 Robert W Glanville Système de mélange pour pipeline avec un mélangeur statique règlable
DE102021005290A1 (de) * 2021-10-23 2023-04-27 Dimitrios Fotakis Vorrichtung zur Staubreduktion bei Heißgasentnahme aus Feuerungen oder Vergasungen.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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
JPS59244B2 (ja) * 1976-07-28 1984-01-06 バブコツク日立株式会社 ガスミキシング装置
DE2911873C2 (de) * 1979-03-26 1982-08-19 Balcke-Dürr AG, 4030 Ratingen Kühlturm
DE3364257D1 (en) * 1982-05-28 1986-07-31 Shell Int Research Mixing apparatus
DE8219268U1 (de) * 1982-07-06 1982-10-07 Balcke-Dürr AG, 4030 Ratingen Vorrichtung zur vergleichmaessigung der stroemung

Cited By (2)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE50005198D1 (de) 2004-03-11
EP1166862A1 (fr) 2002-01-02

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