EP1170054A1 - 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
EP1170054A1
EP1170054A1 EP00112874A EP00112874A EP1170054A1 EP 1170054 A1 EP1170054 A1 EP 1170054A1 EP 00112874 A EP00112874 A EP 00112874A EP 00112874 A EP00112874 A EP 00112874A EP 1170054 A1 EP1170054 A1 EP 1170054A1
Authority
EP
European Patent Office
Prior art keywords
installation surfaces
row
mixer
installation
flow
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
Application number
EP00112874A
Other languages
German (de)
English (en)
Other versions
EP1170054B1 (fr
Inventor
Hans Prof. Dr.-Ing. Ruscheweyh
Michael Dipl.-Ing. Kaatz
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 Energietechnik 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
Priority to EP00112874A priority Critical patent/EP1170054B1/fr
Priority to AT00112874T priority patent/ATE231738T1/de
Priority to DK00112874T priority patent/DK1170054T3/da
Priority to PT00112874T priority patent/PT1170054E/pt
Priority to ES00112874T priority patent/ES2190920T3/es
Priority to DE50001174T priority patent/DE50001174D1/de
Application filed by Balcke Duerr Energietechnik GmbH filed Critical Balcke Duerr Energietechnik GmbH
Priority to MXPA01006232A priority patent/MXPA01006232A/es
Priority to CA002350944A priority patent/CA2350944C/fr
Priority to US09/884,682 priority patent/US6615507B2/en
Publication of EP1170054A1 publication Critical patent/EP1170054A1/fr
Application granted granted Critical
Publication of EP1170054B1 publication Critical patent/EP1170054B1/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
    • B01F25/43161—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 composed of consecutive sections of flat pieces of material
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2087—Means to cause rotational flow of fluid [e.g., vortex generator]
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2087—Means to cause rotational flow of fluid [e.g., vortex generator]
    • Y10T137/2093—Plural vortex generators

Definitions

  • the invention relates to a mixer for mixing gases and others Newtonian liquids, with a flow channel and arranged therein, the installation surfaces influencing the flow, the installation surfaces generating vortex Surfaces with freely flowing front edges directed against the flow are, the course of which is both in the main flow direction of the gas and also has a transverse component.
  • channels are required to have mixed lengths of 15 to 100 times of the channel diameter.
  • this mixing distance can be shortened significantly by built-in bodies. It must however, a high for most conventionally used systems Pressure loss can be accepted especially when high Requirements for the homogeneity of the resulting mixture become.
  • Many of the conventional mixing systems are also simple Geometries limited, e.g. on cylindrical tubes or square channels, and cannot be used in large systems and complicated mixing chamber systems apply.
  • a static mixer is known from DE 29 11 873 C2, in which the internals from obliquely flowed, delta-shaped or circular disc-shaped There are surfaces with vortexes on the front edges.
  • the so educated stationary and stable vortex systems have a large effect on the wake into it, the components to be mixed are rolled up in layers, what leads to rapid mixing with very low pressure drops.
  • This So-called "vortex installation areas" have become short because of the achievable Mixing line proven in practice.
  • the invention has for its object a mixer for the mixture of gases and other Newtonian liquids to create a fast Mixing causes the mixing section to be even shorter.
  • a mixer designed in this way enables a particularly fast Mixing of the flow with a very short mixing section.
  • the mixing has the consequence that the profiles of the gas and / or Liquid flow can be evened out, thereby reducing performance become.
  • the Vortex installation surface according to the invention a relatively small Flow resistance, since it is not with its entire surface as a guide surface acts, but with its front edges creates static vortex fields, which are in Expand flow direction automatically, without this for this extension additional installations or baffles would be required. It follows at least through the invention, each other in relation to the Partially overlapping vortex installation areas with low flow and effective mixing on a short mixing section.
  • a preferred development of the mixer is characterized by a distance another row of installation surfaces arranged behind the row, the Angle of attack of the installation surfaces of the other row opposite to the angle of attack of the installation areas are in the first row.
  • the angle of attack of the installation surfaces in relation to the main flow direction is preferably between 40 ° and 80 °, preferably 60 °.
  • the flow channel a substantially rectangular cross-section with a ratio from width to thickness of B / D ⁇ 2, the one defined by the installation surfaces Row extends in the width direction.
  • FIG. 1 shows in longitudinal section a flow channel narrowing at 1 rectangular cross-section.
  • the flow channel is from a homogeneous Flows through gas or liquid mixture.
  • gases and liquids all so-called “Newtonian liquids” are to be understood here, i.e. including such fluids, which differ in their fluidic properties behave comparable to the gases.
  • the flow channel including its width B and its thickness D shown in cross section.
  • the ratio of width B to thickness D should preferably be B / D ⁇ 2.
  • Figure 2 shows just like Figure 1 that in the flow channel in series installation surfaces 2 are arranged to each other.
  • the Row formed by a total of four installation areas 2.
  • the installation areas 2 each Row that extends substantially transversely to the main flow direction 3 are designed in the same way, preferably with the same angle of attack ⁇ Main flow direction 3.
  • the angle of attack ⁇ to the main flow direction is 3 between 40 ° and 80 °, preferably 60 °.
  • the freely flowing, against the flow front edges 4 of the Embodiment have circular disk-shaped installation surfaces 2 both one in the main flow direction and one running transverse to it Component on. Furthermore, since each installation surface 2 is at an acute angle to the Main flow direction 3 is arranged in the flow channel arise each leading edge 4 of the installation surfaces 2 swirl fields, which are downstream Spread out in a circular cone. The individual vertebrae roll inwards on the back of the installation surface 2. The on the individual front edges 4 formed vertebrae behave largely statically and therefore change their position Not. Due to its rotation, each vortex field forms a flow component transverse to the main flow direction of the gas by the associated Exchange of momentum transversely to the direction of flow ensures good mixing of the gas mixture has the consequence. Mixing is intensified by the special compact arrangement of the installation surfaces 2 of each row, in which adjacent to each other Installation areas 2 with respect to the main flow direction 3 partially cover. This overlap is designated in FIG. 2 by reference number 5 and hatched.
  • v 1 denotes the velocity profile of the gas flow as it enters the mixing section. This speed profile is uneven, for example due to a previous deflection of the gas flow. If a first row 6 of installation areas 2 is followed by a second row 7 of installation areas 2, and the angles of attack ⁇ 'of the installation areas of the second row 7 are opposite to the angles of attack ⁇ of the installation areas of the first row 6, an equalization can be made when exiting the mixing section of the speed profile, as shown in FIG. 1 with the speed profile v 2 .
  • the installation surfaces 2 are each in the form of round disks designed.
  • disks can also be used as vortex installation surfaces with a delta-shaped or triangular basic shape, or elliptical or parabolic discs.
  • Such disks also have symmetrical and each front edge arranged obliquely to the central plane, as for the Emergence of leading edge vertebrae are crucial.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
EP00112874A 2000-06-19 2000-06-19 Mélangeur pour mélanger des gaz et d'autres liquides newtoniens Expired - Lifetime EP1170054B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DK00112874T DK1170054T3 (da) 2000-06-19 2000-06-19 Blandemaskine til blanding af gasser og andre newtonske væsker
PT00112874T PT1170054E (pt) 2000-06-19 2000-06-19 Misturador para misturar gases e outros fluidos newtonianos
ES00112874T ES2190920T3 (es) 2000-06-19 2000-06-19 Mezclador para mezcla de gases y otros liquidos newtonianos.
DE50001174T DE50001174D1 (de) 2000-06-19 2000-06-19 Mischer für die Mischung von Gasen und anderen Newtonschen Flüssigkeiten
EP00112874A EP1170054B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger des gaz et d'autres liquides newtoniens
AT00112874T ATE231738T1 (de) 2000-06-19 2000-06-19 Mischer für die mischung von gasen und anderen newtonschen flüssigkeiten
MXPA01006232A MXPA01006232A (es) 2000-06-19 2001-06-18 Mezclador para el mezclado de gases y otros fluidos newtonianos.
CA002350944A CA2350944C (fr) 2000-06-19 2001-06-18 Melangeur pour gaz et autres liquides newtoniens
US09/884,682 US6615507B2 (en) 2000-06-19 2001-06-19 Mixer for mixing gases and other newton liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00112874A EP1170054B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger des gaz et d'autres liquides newtoniens

Publications (2)

Publication Number Publication Date
EP1170054A1 true EP1170054A1 (fr) 2002-01-09
EP1170054B1 EP1170054B1 (fr) 2003-01-29

Family

ID=8169003

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00112874A Expired - Lifetime EP1170054B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger des gaz et d'autres liquides newtoniens

Country Status (9)

Country Link
US (1) US6615507B2 (fr)
EP (1) EP1170054B1 (fr)
AT (1) ATE231738T1 (fr)
CA (1) CA2350944C (fr)
DE (1) DE50001174D1 (fr)
DK (1) DK1170054T3 (fr)
ES (1) ES2190920T3 (fr)
MX (1) MXPA01006232A (fr)
PT (1) PT1170054E (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1568410A1 (fr) 2004-02-27 2005-08-31 Haldor Topsoe A/S Appareil pour mélanger des courants de fluides
EP1681090A1 (fr) * 2005-01-17 2006-07-19 Balcke-Dürr GmbH Dispositif et procédé de mélange d'un courant de fluide dans un conduit
US7448794B2 (en) 2004-02-27 2008-11-11 Haldor Topsoe A/S Method for mixing fluid streams
TWI473642B (fr) * 2012-11-09 2015-02-21

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003038537A1 (fr) * 2001-11-01 2003-05-08 The Chicago Faucet Company Appareil de regulation d'ecoulement et de temperature de liquide
DE502004006983D1 (de) * 2003-08-26 2008-06-12 Sulzer Chemtech Ag Statischer Mischer mit polymorpher Struktur
US8010236B2 (en) * 2007-10-30 2011-08-30 Babcock Power Environmental Inc. Adaptive control system for reagent distribution control in SCR reactors
DE102008007085A1 (de) * 2008-01-31 2009-08-06 T-Mobile Internationale Ag Verfahren zur Verwaltung der Autorisierung von Mobiltelefonen ohne SIM-Karte
US8501131B2 (en) 2011-12-15 2013-08-06 General Electric Company Method and apparatus to inject reagent in SNCR/SCR emission system for boiler
CN103877837B (zh) * 2014-02-26 2016-01-27 中国科学院过程工程研究所 一种应用于低温氧化脱硝技术的烟道臭氧分布器及其布置方式
GB2550130B (en) * 2016-05-09 2021-01-27 James Muggleton Kevin System including passive blender for use with gas from an unconventional source
DE102017002811A1 (de) 2017-03-22 2018-09-27 Balcke-Dürr GmbH Strömungskanal mit einer Mischvorrichtung
CN111059880A (zh) * 2020-01-10 2020-04-24 亳州学院 一种瓜蒌子热处理一体化装置及其处理方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1701164A (en) * 1925-02-13 1929-02-05 Gilchrist & Company Mixing apparatus and process
US3743250A (en) * 1972-05-12 1973-07-03 E Fitzhugh Fluid blending device to impart spiral axial flow with no moving parts
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
GB2087249A (en) * 1980-11-15 1982-05-26 Balcke Duerr Ag Method and apparatus for the mixing of at least two fluid flows
EP0070917A1 (fr) * 1981-07-30 1983-02-09 GebràœDer Sulzer Aktiengesellschaft Colonne pour procédés d'échange de matière et/ou de chaleur
US5150535A (en) * 1989-09-30 1992-09-29 Fleissner Gerold Air mixer apparatus
WO1995008388A1 (fr) * 1993-09-24 1995-03-30 Societe Apogee S.A. Dispositif pour l'homogeneisation de fluides liquides et de reactifs chimiques

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671208A (en) * 1970-10-09 1972-06-20 Wayne G Medsker Fluid mixing apparatus
CH537208A (de) * 1971-04-29 1973-07-13 Sulzer Ag Mischeinrichtung für fliessfähige Medien
CH563802A5 (fr) * 1973-04-18 1975-07-15 Sulzer Ag
CH578369A5 (fr) * 1974-05-10 1976-08-13 Sulzer Ag
DE2810648A1 (de) * 1978-03-11 1979-09-13 Basf Ag Statischer mischer fuer fluide stoffe
EP0619133B1 (fr) * 1993-04-08 1996-11-13 ABB Management AG Chambre de mélanges

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1701164A (en) * 1925-02-13 1929-02-05 Gilchrist & Company Mixing apparatus and process
US3743250A (en) * 1972-05-12 1973-07-03 E Fitzhugh Fluid blending device to impart spiral axial flow with no moving parts
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
GB2087249A (en) * 1980-11-15 1982-05-26 Balcke Duerr Ag Method and apparatus for the mixing of at least two fluid flows
EP0070917A1 (fr) * 1981-07-30 1983-02-09 GebràœDer Sulzer Aktiengesellschaft Colonne pour procédés d'échange de matière et/ou de chaleur
US5150535A (en) * 1989-09-30 1992-09-29 Fleissner Gerold Air mixer apparatus
WO1995008388A1 (fr) * 1993-09-24 1995-03-30 Societe Apogee S.A. Dispositif pour l'homogeneisation de fluides liquides et de reactifs chimiques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 002, no. 054 (M - 016) 19 April 1978 (1978-04-19) *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1568410A1 (fr) 2004-02-27 2005-08-31 Haldor Topsoe A/S Appareil pour mélanger des courants de fluides
US7448794B2 (en) 2004-02-27 2008-11-11 Haldor Topsoe A/S Method for mixing fluid streams
US7547134B2 (en) 2004-02-27 2009-06-16 Haldor Topsoe A/S Arrangement for mixing of fluid streams
EP1681090A1 (fr) * 2005-01-17 2006-07-19 Balcke-Dürr GmbH Dispositif et procédé de mélange d'un courant de fluide dans un conduit
US8066424B2 (en) 2005-01-17 2011-11-29 Balcke-Durr Gmbh Mixing device
TWI473642B (fr) * 2012-11-09 2015-02-21

Also Published As

Publication number Publication date
DE50001174D1 (de) 2003-03-06
US20020020076A1 (en) 2002-02-21
ATE231738T1 (de) 2003-02-15
DK1170054T3 (da) 2003-06-23
EP1170054B1 (fr) 2003-01-29
US6615507B2 (en) 2003-09-09
CA2350944A1 (fr) 2001-12-19
MXPA01006232A (es) 2003-05-19
PT1170054E (pt) 2003-06-30
ES2190920T3 (es) 2003-09-01
CA2350944C (fr) 2005-04-05

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