EP1166861A1 - Mélangeur pour mélanger au moins deux courants de gaz ou d'autres liquides newtoniens - Google Patents

Mélangeur pour mélanger au moins deux courants de gaz ou d'autres liquides newtoniens Download PDF

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Publication number
EP1166861A1
EP1166861A1 EP00112875A EP00112875A EP1166861A1 EP 1166861 A1 EP1166861 A1 EP 1166861A1 EP 00112875 A EP00112875 A EP 00112875A EP 00112875 A EP00112875 A EP 00112875A EP 1166861 A1 EP1166861 A1 EP 1166861A1
Authority
EP
European Patent Office
Prior art keywords
flow channel
installation surface
separate
mixer according
gas
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
EP00112875A
Other languages
German (de)
English (en)
Other versions
EP1166861B1 (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 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 DE50001550T priority Critical patent/DE50001550D1/de
Application filed by Balcke Duerr Energietechnik GmbH filed Critical Balcke Duerr Energietechnik GmbH
Priority to AT00112875T priority patent/ATE235311T1/de
Priority to EP00112875A priority patent/EP1166861B1/fr
Priority to DK00112875T priority patent/DK1166861T3/da
Priority to ES00112875T priority patent/ES2192505T3/es
Priority to CA002350961A priority patent/CA2350961C/fr
Priority to MXPA01006231A priority patent/MXPA01006231A/es
Priority to US09/884,356 priority patent/US6779786B2/en
Publication of EP1166861A1 publication Critical patent/EP1166861A1/fr
Application granted granted Critical
Publication of EP1166861B1 publication Critical patent/EP1166861B1/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
    • B01F25/4311—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
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • 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

Definitions

  • the invention relates to a mixer for mixing at least two Gas flows or other Newtonian liquids, with one of the first Gas flow through the main flow channel with an arranged therein, the Installation area influencing flow, the installation area being a vortex-generating Disc with freely flowing front edges directed against the current is, the course of which is both in the main flow direction of the gas stream and also has a component running transversely thereto.
  • the invention has for its object a mixer for mixing at least two gas streams or other Newtonian liquids create that through a quick mixing with a short mixing distance also excels when a volume flow has a comparatively small proportion another component is to be added.
  • Possible applications are, for example, in Denox systems in flue gas cleaning technology or in the conditioning of dust in electrostatic filters.
  • cleaning the flue gas add NH 3 or NH 4 OH to the flue gas flowing to the reactor rooms, the proportion of the ammonia compound being only about 2% by mass.
  • the mixer according to the invention enables the two components to be mixed quickly with a short mixing section. The result of the mixing is that the profiles of the gas and / or liquid flow passed through are made more uniform, with a loss in performance being avoided.
  • the vortex installation surface has a relatively low flow resistance, since it does not act as a guiding surface with its entire surface, but rather creates vortex fields with its front edges, which expand automatically in the direction of flow without additional installations or guiding surfaces for this expansion would be required.
  • the mouth of the second Gas flow is located in the area of the front half of the disc. In this way becomes the second gas stream brought up via the separate flow channel captured by those early vertebral fields, those in the foremost edge area the disk are generated.
  • the disc has a chamber into which the flow channel for the second gas flow leads, the chamber facing away from the inflow of the first gas stream Back of the disc is provided with outlet openings.
  • the chamber, into which the flow channel for the second gas stream leads enables one distribution of the outlet openings adapted to the operating mode of the mixer for the second gas stream, i.e. the arrangement of these outlet openings can with great constructive freedom. For example, it is possible that To direct outlet openings against the main flow direction, or to attach special baffles, which the from the outlet openings escaping gas flow is particularly favorable in the area of the Steer leading edges of the disc from forming vertebrae.
  • the chamber is used to stiffen the installation surface can be.
  • the chamber have side walls is provided, which are arranged at an angle to the disc and the Stiffen the pane against bending loads and any vibrations.
  • the disc be supported on struts in the main flow channel one of which is tubular and has a separate flow channel forms.
  • the flow channel also takes on a static one Function in the arrangement of the vortex installation area within the main flow channel.
  • FIG. 1 shows a section through part of a flue gas denitrification plant with a main flow channel 1 in an arm rising upwards and a reactor 2 in a flow arm of the plant pointing downwards.
  • the reactor 2 is usually equipped with catalysts 3.
  • the flue gas NH 3 or NH 4 OH entering 4 in the main flow channel 1 must be added. This takes place via a separate flow channel 5, which is guided through the wall 6 of the main flow channel 1.
  • the ammonia compound in the flue gas is distributed very quickly and thus homogenized, so that the ammonia compound is completely evenly distributed in the flue gas stream when it subsequently flows into the reactor 2.
  • the media are mixed using at least one in the Main flow channel 1 arranged installation area 7.
  • the installation area 7 is a so-called "vortex installation area" for the production of Leading edge vortices.
  • the free flow, against the current in the Main flow channel 1 directed front edges 8 of e.g. a circular disk designed installation surface 7 have both in the main flow direction 9 and also a component running transversely to this.
  • each installation surface 7 at an acute angle ⁇ to the main flow direction 9 in the Flow channel 1 is arranged, arise on each front edge of the Installation area of vortex fields, which spread out in a circular cone downstream.
  • the individual vertebrae roll inwards onto the back 10 of the Installation area 7 from.
  • Each vortex field is formed by its Rotation a flow component transverse to the main flow direction 9 of the Gases through the associated exchange of momentum transversely to the direction of flow good mixing of the gas mixture results.
  • the separate flow channel 5, preferably designed as a tube, for the second Gas flow extends into the main flow channel 1 and opens there in the region of the rear side 10 facing away from the inflow of the first gas stream the installation surface 7.
  • the installation surface 7 is opposite one another via a plurality of struts 11 the wall 6a of the main flow channel 1 is supported so that the angle ⁇ with respect to the main flow direction 9 between 40 ° and 80 ° and preferably is approximately 60 °.
  • the separate flow channel 5 is in shape of a tube cantilevered from the wall 6 on the rear 10 of the Disk 7 led to this without touching the disk 7.
  • the exit opening 12 of the separate flow channel 5 is approximately in the direction of the main flow direction 9 directed.
  • Figure 1 shows that the outlet opening 12 of the second gas flow at the level of the front half of the disc or installation area 7.
  • FIG. 2 shows that there are multiple existing outlet openings 12 in the area of the front half of the installation area 7 are located.
  • the separate flow channel 5 is open the front of the installation surface 7 led to this. This takes over Pipe of the separate flow channel 5 also the static function of one of the Struts 11. These struts 11 are located on the front of the installation surface 7, so as not to influence the formation of the vertebrae on their back.
  • Angle of attack ⁇ of the disc 7 relative to the main flow direction 9 change, for example by changing the effective length of the struts 11. This change or setting can also be made while the mixer is operating respectively.
  • Figure 2 also shows that the separate flow channel 5 is not immediate merges into the outlet openings 12, rather that via the flow channel 5 supplied second gas stream first enters a chamber 13, which on the Rear of the installation surface 7 is arranged. In the outside of the chamber 13 the outlet openings 12 are then located.
  • FIGS. 3 and 4 show two possible configurations of the chambers 13, in the case of FIG. 3, the outlet openings 12 around the center line 14 the disc 7 are arranged around while in the embodiment according to FIG. 4, the outlet openings 12 on two groups on both sides of the center line 14 to distribute only in those areas that are from the left or be swept by the right front edge vertebrae.
  • the embodiment according to FIG. 5 differs from the embodiment 4 through two separate flow channels 5, via the two separate Gas flows in turn pass into two separate chambers 13a, 13b.
  • the separate chambers 13a, 13b can also lie one behind the other. This is shown in Fig. 5a.
  • Figures 7 and 8 show that the outlet openings 12 in the Area of the front end 16 of the chamber 13 can be located. To this This results in an outflow that is almost opposite the front edges 8 forming vortex fields, which makes it a very early Mixing comes.
  • FIG. 9 shows that the installation area also the shape a delta-shaped triangle with a direction opposite to the direction of flow Can have tip.
  • Figure 10 reveals an additional hood 16 with over its entire circumference distributed outlet openings 12 are used.
  • the hood 16 is on the placed on the back of the disc 7 arranged chamber 13, but can the chamber 13 itself can be designed hood-shaped.
  • FIGS. 2 to 10 show that the walls of the chamber 13, since this is arranged vertically, but at least at an angle to the installation surface 7 are, can increase the installation area 7 with respect to bending loads. Out For this reason, those that serve as distributors for the second gas stream follow Chambers 13 other chambers 17, but no distribution function or have a fluidic function, but exclusively the stiffening serve the installation area 7.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
EP00112875A 2000-06-19 2000-06-19 Mélangeur pour mélanger au moins deux courants de gaz ou d'autres liquides newtoniens Expired - Lifetime EP1166861B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
AT00112875T ATE235311T1 (de) 2000-06-19 2000-06-19 Mischer für die mischung mindestens zweier gasströme oder anderer newtonscher flüssigkeiten
EP00112875A EP1166861B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger au moins deux courants de gaz ou d'autres liquides newtoniens
DK00112875T DK1166861T3 (da) 2000-06-19 2000-06-19 Blander til blanding af i det mindste to gasstrømme eller andre Newtonske væsker
ES00112875T ES2192505T3 (es) 2000-06-19 2000-06-19 Mezclador para mezclar por lo menos dos corrientes de gas o de otros fluidos newtonianos.
DE50001550T DE50001550D1 (de) 2000-06-19 2000-06-19 Mischer für die Mischung mindestens zweier Gasströme oder anderer Newtonscher Flüssigkeiten
CA002350961A CA2350961C (fr) 2000-06-19 2001-06-18 Melangeur pour melanger au moins deux flux de gaz ou d'autres liquides newtoniens
MXPA01006231A MXPA01006231A (es) 2000-06-19 2001-06-18 Mezclador para la mezcla de cuando menos dos corrientes de gas u otros fluidos newtonianos.
US09/884,356 US6779786B2 (en) 2000-06-19 2001-06-19 Mixer for mixing at least two flows of gas or other newtonian liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00112875A EP1166861B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger au moins deux courants de gaz ou d'autres liquides newtoniens

Publications (2)

Publication Number Publication Date
EP1166861A1 true EP1166861A1 (fr) 2002-01-02
EP1166861B1 EP1166861B1 (fr) 2003-03-26

Family

ID=8169004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00112875A Expired - Lifetime EP1166861B1 (fr) 2000-06-19 2000-06-19 Mélangeur pour mélanger au moins deux courants de gaz ou d'autres liquides newtoniens

Country Status (8)

Country Link
US (1) US6779786B2 (fr)
EP (1) EP1166861B1 (fr)
AT (1) ATE235311T1 (fr)
CA (1) CA2350961C (fr)
DE (1) DE50001550D1 (fr)
DK (1) DK1166861T3 (fr)
ES (1) ES2192505T3 (fr)
MX (1) MXPA01006231A (fr)

Cited By (7)

* 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
WO2007085472A1 (fr) * 2006-01-28 2007-08-02 Fisia Babcock Environment Gmbh Procédé et dispositif pour mélanger un fluide gazeux à un flux gazeux important, notamment pour introduire un agent réducteur dans un gaz de combustion contenant des oxydes d'azote
WO2007085471A1 (fr) * 2006-01-28 2007-08-02 Fisia Babcock Environment Gmbh Procédé et dispositif pour mélanger un fluide gazeux avec un important flux massique de gaz, en particulier pour introduire un agent de réduction dans un gaz de fumée contenant des oxydes d'azote
US7448794B2 (en) 2004-02-27 2008-11-11 Haldor Topsoe A/S Method for mixing fluid streams
EP1962995B2 (fr) † 2005-12-15 2017-09-06 FISIA Babcock Environment GmbH Dispositif pour le melange d' un fluide avec une grande quantite de gaz, notamment pour introduire un reducteur dans un gaz de combustion contenant un oxyde d'azote
WO2019012179A1 (fr) * 2017-07-11 2019-01-17 Outotec (Finland) Oy Appareil d'arrosage et procédé d'extraction de particules
DE102018005192B3 (de) 2018-07-02 2019-12-05 Truma Gerätetechnik GmbH & Co. KG Brennervorrichtung

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US20050056313A1 (en) * 2003-09-12 2005-03-17 Hagen David L. Method and apparatus for mixing fluids
US7383850B2 (en) * 2005-01-18 2008-06-10 Peerless Mfg. Co. Reagent injection grid
US20060216573A1 (en) * 2005-03-25 2006-09-28 Pfister Dennis M Power supply incorporating a chemical energy conversion device
US8277116B2 (en) 2007-05-07 2012-10-02 The Boeing Company Fluidic mixer with controllable mixing
US8010236B2 (en) * 2007-10-30 2011-08-30 Babcock Power Environmental Inc. Adaptive control system for reagent distribution control in SCR reactors
US8501131B2 (en) 2011-12-15 2013-08-06 General Electric Company Method and apparatus to inject reagent in SNCR/SCR emission system for boiler
US9387448B2 (en) * 2012-11-14 2016-07-12 Innova Global Ltd. Fluid flow mixer
DE202013006962U1 (de) 2013-08-05 2013-08-28 Tenneco Gmbh Mischkammer
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
US9784163B2 (en) 2015-01-22 2017-10-10 Tenneco Automotive Operating Company Inc. Exhaust aftertreatment system having mixer assembly
DE102015103425B3 (de) 2015-03-09 2016-05-19 Tenneco Gmbh Mischvorrichtung
US10058829B2 (en) * 2015-10-21 2018-08-28 Jason Ladd Static mixer manifold
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

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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
DE2911893C2 (de) 1979-03-27 1984-09-27 WSW Planungsgesellschaft mbH, 4355 Waltrop Vorrichtung zum Kühlen von Luft, insbesondere zum Kühlen von staubhaltigen Wettern im untertägigen Bergbau
DE3723618C1 (en) * 1987-07-17 1988-12-01 Steinmueller Gmbh L & C Apparatus for mixing two gases
WO1990000929A1 (fr) * 1988-07-27 1990-02-08 Vortab Corporation Appareil statique de melange de courants de fluides
EP0526393A1 (fr) * 1991-07-30 1993-02-03 Sulzer Chemtech AG dispositif d'immixtion
US5547540A (en) * 1993-08-03 1996-08-20 Bdag Balcke-Durr Aktiengesellschaft Device for cooling gases and optionally drying solid particles added to the gas
EP0956897A2 (fr) * 1998-05-11 1999-11-17 Deutsche Babcock Anlagen Gmbh Dispositif pour mélanger un gaz passant un conduit

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CA2370778C (fr) * 1999-04-19 2006-09-26 Koch-Glitsch, Inc. Melangeur statique a tourbillons et procede utilisant ce melangeur
CA2343561C (fr) * 2000-05-08 2004-11-30 Sulzer Chemtech Ag Element de melange pour transition a bride d'une pipeline

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Publication number Priority date Publication date Assignee Title
DE2911873A1 (de) * 1979-03-26 1980-11-20 Balcke Duerr Ag Kuehlturm
DE2911893C2 (de) 1979-03-27 1984-09-27 WSW Planungsgesellschaft mbH, 4355 Waltrop Vorrichtung zum Kühlen von Luft, insbesondere zum Kühlen von staubhaltigen Wettern im untertägigen Bergbau
DE8219268U1 (de) * 1982-07-06 1982-10-07 Balcke-Dürr AG, 4030 Ratingen Vorrichtung zur vergleichmaessigung der stroemung
DE3723618C1 (en) * 1987-07-17 1988-12-01 Steinmueller Gmbh L & C Apparatus for mixing two gases
WO1990000929A1 (fr) * 1988-07-27 1990-02-08 Vortab Corporation Appareil statique de melange de courants de fluides
EP0526393A1 (fr) * 1991-07-30 1993-02-03 Sulzer Chemtech AG dispositif d'immixtion
US5547540A (en) * 1993-08-03 1996-08-20 Bdag Balcke-Durr Aktiengesellschaft Device for cooling gases and optionally drying solid particles added to the gas
EP0956897A2 (fr) * 1998-05-11 1999-11-17 Deutsche Babcock Anlagen Gmbh Dispositif pour mélanger un gaz passant un conduit

Cited By (12)

* 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
KR101140594B1 (ko) * 2004-02-27 2012-05-02 할도르 토프쉐 에이/에스 유체흐름을 혼합하기 위한 설비
EP1962995B2 (fr) † 2005-12-15 2017-09-06 FISIA Babcock Environment GmbH Dispositif pour le melange d' un fluide avec une grande quantite de gaz, notamment pour introduire un reducteur dans un gaz de combustion contenant un oxyde d'azote
WO2007085472A1 (fr) * 2006-01-28 2007-08-02 Fisia Babcock Environment Gmbh Procédé et dispositif pour mélanger un fluide gazeux à un flux gazeux important, notamment pour introduire un agent réducteur dans un gaz de combustion contenant des oxydes d'azote
WO2007085471A1 (fr) * 2006-01-28 2007-08-02 Fisia Babcock Environment Gmbh Procédé et dispositif pour mélanger un fluide gazeux avec un important flux massique de gaz, en particulier pour introduire un agent de réduction dans un gaz de fumée contenant des oxydes d'azote
CN101394919B (zh) * 2006-01-28 2011-12-28 菲希亚巴高克环境股份有限公司 用于使气态流体与大流量气流混合的方法和装置
US8517599B2 (en) 2006-01-28 2013-08-27 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 that contains nitrogen oxides
WO2019012179A1 (fr) * 2017-07-11 2019-01-17 Outotec (Finland) Oy Appareil d'arrosage et procédé d'extraction de particules
EA039537B1 (ru) * 2017-07-11 2022-02-08 Оутотек (Финлэнд) Ой Барботирующее устройство и способ извлечения частиц
DE102018005192B3 (de) 2018-07-02 2019-12-05 Truma Gerätetechnik GmbH & Co. KG Brennervorrichtung

Also Published As

Publication number Publication date
DK1166861T3 (da) 2003-07-21
CA2350961A1 (fr) 2001-12-19
US6779786B2 (en) 2004-08-24
CA2350961C (fr) 2005-08-16
ES2192505T3 (es) 2003-10-16
MXPA01006231A (es) 2003-05-19
DE50001550D1 (de) 2003-04-30
ATE235311T1 (de) 2003-04-15
EP1166861B1 (fr) 2003-03-26
US20020017731A1 (en) 2002-02-14

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