EP0226879B1 - Mélangeur statique pour fluides comportant des composés de particules solides - Google Patents

Mélangeur statique pour fluides comportant des composés de particules solides Download PDF

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Publication number
EP0226879B1
EP0226879B1 EP86116622A EP86116622A EP0226879B1 EP 0226879 B1 EP0226879 B1 EP 0226879B1 EP 86116622 A EP86116622 A EP 86116622A EP 86116622 A EP86116622 A EP 86116622A EP 0226879 B1 EP0226879 B1 EP 0226879B1
Authority
EP
European Patent Office
Prior art keywords
webs
casing
mixing device
mixing
static mixing
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
EP86116622A
Other languages
German (de)
English (en)
Other versions
EP0226879A1 (fr
Inventor
Hans Meyer
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.)
Sulzer AG
Original Assignee
Gebrueder Sulzer AG
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 Gebrueder Sulzer AG filed Critical Gebrueder Sulzer AG
Priority to AT86116622T priority Critical patent/ATE52939T1/de
Publication of EP0226879A1 publication Critical patent/EP0226879A1/fr
Application granted granted Critical
Publication of EP0226879B1 publication Critical patent/EP0226879B1/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

Definitions

  • the invention relates to a static mixing device for fluids containing or consisting of solid particles according to the preamble of claim 1.
  • Such cases occur, for example, in municipal wastewater treatment, e.g. when mixing chemicals in sludge, in the paper industry or also in the food industry, e.g. when mixing fruit pieces in yogurt.
  • a mixing device is also known from US-A-3733057, the mixing device consisting of a tubular housing with at least one mixing element arranged therein, which has two or more webs inclined with respect to the longitudinal axis of the housing, the outer contour of the webs being adapted to the housing wall .
  • This mixing device is essentially a mixer of the so-called "KENICS-NISCHER-TYPE", but there is a through channel in the center.
  • the invention is based, for media of the type mentioned above, i. even fluids consisting of piece goods or containing piece goods to create a blockage-free, static mixing device which also ensures homogeneous mixing with an acceptable pressure loss.
  • the design according to the invention of a static mixing device prevents the settling or catching of solid particles between the webs and casing wall or between crossing webs with simple means, so that a perfect mixing can be carried out in the device.
  • the outer webs or the one ends of the inner webs can be welded or soldered to the tube wall, for example.
  • the device cross section can be both circular and have a different contour, e.g. be a rectangle.
  • the web cross sections can taper towards the free ends.
  • the cross sections and the longitudinal section shapes advantageously have aerodynamic contours, e.g. rectangular, elliptical or semicircular.
  • the angle between the webs and the tube axis is advantageously in the range from 30 to 60 °, in particular 45 and 30 °.
  • mixing elements are arranged in a mixing device, an advantageous development of the invention can consist in that the successive ones.
  • Mixing elements are each arranged at an angle, in particular offset by 90 °, in the housing. This ensures spatial homogeneity.
  • Another application can e.g. consist of mixing flocculation chemicals in secondary sewage sludge in front of a centrifugal decanter of a municipal sewage treatment plant for sludge dewatering.
  • the installation of a mixer according to the invention takes into account the requirement for an efficient use of the quantity of chemicals for rapid and uniform mixing.
  • each mixing element pivoted relative to one another by 90 ° are arranged in a casing tube 1.
  • each mixing element consists of three webs 2a to 2c, with a space remaining between the crossing webs, as can be clearly seen from FIGS. 2a to 2d.
  • FIGS. 1 to 2d is a particularly advantageous embodiment, it is in principle also possible, depending on the process in which the mixing device is to be used, to design the mixing device with a plurality of webs. 3 and 4, a mixing element is shown, which is arranged in a tube 3 and which consists of two outer webs 4a and 4c and inner webs 4b, 4d and 4e.

Claims (6)

1. Dispositif mélangeur statique pour des fluides contenant ou constitués par des particules de matières solides, qui se compose d'un boîtier tubulaire (1) dans lequel est disposé au moins un élément mélangeur comportant deux ou plus de deux entretoises inclinées par rapport à l'axe longitudinal du boîtier (1), le contour externe des entretoises étant adapté à la paroi du boîtier, caractérisé en ce que chaque élément mélangeur présente au minimum trois entretoises (2a, 2b, 2c) se croisant avec des entretoises contiguës, en ce que des entretoises contiguës (2a/2b, 2b/2c) de l'élement mélangeur ont des directions essentiellement opposées par rapport à la section transversale du boîtier tubulaire (1), en ce que les arêtes externes des entretoises extérieures (2a, 2c), ainsi qu'une extrémité d'au moins une entretoise intérieure (2b), sont reliées de façon jointive à la paroi du boîtier (1), en ce que l'entretoise intérieure (2b) est située à distance, à son autre extrémité, de la paroi opposée du boîtier, et en ce que des entretoises contiguës (2a/2b, 2b/2c) présentent un espace libre aux endroits où elles se croisent mutuellement.
2. Dispositif mélangeur statique selon la revendication 1, caractérisé en ce que l'élément mélangeur comporte plusieurs entretoises internes (4b, 4d, 4e) de préférence en nombre impair.
3. Dispositif mélangeur statique selon la revendication 1 ou 2, caractérisé en ce que l'entretoise interne ou les entretoises internes (4b, 4d, 4e) se rétrécissent vers leur extrémité libre.
4. Dispositif mélangeur statique comportant plusiers éléments selon l'une des revendications 1 à 3, caractérisé en ce que des éléments mélangeurs successifs décalés de préférence d'un angle de 90° les uns par rapport aux autres sont disposés dans le boîtier tubulaire (1).
5. Dispositif mélangeur statique selon l'une des revendication 1 à 4, caractérisé en ce que les entretoises (2a, 2b, 2c) présentent des étranglements dans la zone de leurs points de croisement avec des entretoises contiguës (2a/2b, 2b/2c).
6. Dispositif mélangeur statique selon les revendications 1 à 5, caractérisé en ce que les entretoises (2a, 2b, 2c) sont planes.
EP86116622A 1985-12-11 1986-11-29 Mélangeur statique pour fluides comportant des composés de particules solides Expired - Lifetime EP0226879B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86116622T ATE52939T1 (de) 1985-12-11 1986-11-29 Statische mischvorrichtung fuer feststoffteilchen enthaltende oder daraus bestehende fluide.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5282/85A CH669336A5 (fr) 1985-12-11 1985-12-11
CH5282/85 1985-12-11

Publications (2)

Publication Number Publication Date
EP0226879A1 EP0226879A1 (fr) 1987-07-01
EP0226879B1 true EP0226879B1 (fr) 1990-05-23

Family

ID=4290972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86116622A Expired - Lifetime EP0226879B1 (fr) 1985-12-11 1986-11-29 Mélangeur statique pour fluides comportant des composés de particules solides

Country Status (11)

Country Link
US (1) US4758098A (fr)
EP (1) EP0226879B1 (fr)
JP (1) JPH0817927B2 (fr)
AT (1) ATE52939T1 (fr)
AU (1) AU601384B2 (fr)
CA (1) CA1283652C (fr)
CH (1) CH669336A5 (fr)
DE (1) DE3671386D1 (fr)
DK (1) DK167177B1 (fr)
ES (1) ES2002196A6 (fr)
FI (1) FI86808C (fr)

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NL8702774A (nl) * 1987-11-19 1989-06-16 Grint & Zandexpl Mij Vh Smals Werkwijze en installatie voor het winnen van korrelvormig materiaal in een gedefinieerde mengselverhouding en mengeenheid.
US4865460A (en) * 1988-05-02 1989-09-12 Kama Corporation Static mixing device
USRE34255E (en) * 1988-05-02 1993-05-18 Krup Corporation Static mixing device
US5145256A (en) * 1990-04-30 1992-09-08 Environmental Equipment Corporation Apparatus for treating effluents
US5215375A (en) * 1991-04-24 1993-06-01 Trineos Static shearing element
US5266343A (en) * 1992-02-14 1993-11-30 Stauffer John E Pasteurization process for dairy products
US5758967A (en) * 1993-04-19 1998-06-02 Komax Systems, Inc. Non-clogging motionless mixing apparatus
JP3390232B2 (ja) * 1993-11-04 2003-03-24 株式会社オー・エイチ・アール オゾン反応装置
US5454640A (en) * 1994-01-28 1995-10-03 Welker; Robert H. Flow diffuser for redistributing stratified liquids in a pipeline
US5636981A (en) * 1994-05-19 1997-06-10 Lilly Engineering Company Fuel oil burner
US5484203A (en) * 1994-10-07 1996-01-16 Komax Systems Inc. Mixing device
EP0727249B1 (fr) * 1995-02-02 1999-05-06 Sulzer Chemtech AG Mélangeur statique pour liquides très visqueux
US5730416A (en) * 1995-06-07 1998-03-24 Welker Engineering Company Method and apparatus for quieting turbulence in a gas flow line valve
DE19524181A1 (de) * 1995-07-03 1997-01-09 Basf Ag Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Polymeren
DE19524182A1 (de) * 1995-07-03 1997-01-09 Basf Ag Verfahren und Vorrichtung zur kontinuierlichen Herstellung von Polymeren
ATE179631T1 (de) * 1995-08-30 1999-05-15 Sulzer Chemtech Ag Statischer mischer für zähe fluide
DE29601936U1 (de) * 1996-02-08 1996-04-18 Preussag Anlagenbau Statischer Mischer
US5678329A (en) * 1996-04-03 1997-10-21 Wilson Sporting Goods Co. Athletic shoe with midsole side support
EP0800857B1 (fr) * 1996-04-12 2003-07-30 Sulzer Chemtech AG Tuyau mélangeur pour fluides à faible viscosité
DE19700462C2 (de) * 1997-01-09 1999-07-01 Guenther Schwald Statischer Mischer
US6254267B1 (en) 1997-11-06 2001-07-03 Hydrotreat, Inc. Method and apparatus for mixing dry powder into liquids
ES2244441T3 (es) 1999-04-19 2005-12-16 Sulzer Chemtech Ag Torbellinos mezcladores estaticos y metodo de empleo para los mismos.
SE9901667D0 (sv) * 1999-05-07 1999-05-07 Astra Ab Method and device for forming particles
US6279611B2 (en) * 1999-05-10 2001-08-28 Hideto Uematsu Apparatus for generating microbubbles while mixing an additive fluid with a mainstream liquid
GB9910738D0 (en) * 1999-05-11 1999-07-07 Statiflo International Limited Static miker
WO2002043846A1 (fr) * 1999-06-17 2002-06-06 Ohr Co., Ltd. Dispositif generateur de cavitation et appareil melangeur de fluide utilisant ledit dispositif
US6289934B1 (en) 1999-07-23 2001-09-18 Welker Engineering Company Flow diffuser
US6439267B2 (en) 1999-07-23 2002-08-27 Welker Engineering Company Adjustable flow diffuser
CA2343561C (fr) 2000-05-08 2004-11-30 Sulzer Chemtech Ag Element de melange pour transition a bride d'une pipeline
DE10063485A1 (de) * 2000-12-20 2002-07-04 Bayer Ag Statischer Mischer
EP1302236B1 (fr) * 2001-10-16 2007-02-14 Sulzer Chemtech AG Segment de tuyau avec un post de alimentation pour un additif
DE50209465D1 (de) * 2001-10-16 2007-03-29 Sulzer Chemtech Ag Rohrstück mit einer Einspeisestelle für ein Additiv
CA2460292C (fr) * 2003-05-08 2011-08-23 Sulzer Chemtech Ag Melangeur statique
DE502004006983D1 (de) * 2003-08-26 2008-06-12 Sulzer Chemtech Ag Statischer Mischer mit polymorpher Struktur
TWI417135B (zh) † 2007-06-22 2013-12-01 Sulzer Chemtech Ag 靜態混合元件
WO2010066457A1 (fr) * 2008-12-10 2010-06-17 Technische Universiteit Eindhoven Mélangeur statique équipé d'un élément de mélange statique, procédé de mélange d'un fluide dans un canal, et formule permettant de concevoir cet élément de mélange statique
PL2620208T3 (pl) 2012-01-25 2017-07-31 General Electric Technology Gmbh Układ do mieszania gazu
SG11201506400PA (en) 2013-03-14 2015-09-29 Duramax Marine Llc Turbulence enhancer for keel cooler
EP3034159B1 (fr) * 2014-12-18 2020-11-04 The Procter and Gamble Company Mélangeur statique et procédé pour mélanger des fluides
US10729600B2 (en) 2015-06-30 2020-08-04 The Procter & Gamble Company Absorbent structure
ES2907470T3 (es) 2015-11-04 2022-04-25 Procter & Gamble Artículo absorbente que comprende una estructura absorbente
WO2017079599A1 (fr) 2015-11-04 2017-05-11 The Procter & Gamble Company Structure absorbante
EP3479893A1 (fr) * 2017-11-06 2019-05-08 Sulzer Chemtech AG Conduit de mélangeur amélioré et son procédé d'utilisation
PL3852912T3 (pl) 2018-09-20 2023-01-02 Noram Engineering And Constructors Ltd. Urządzenie do mieszania płynów

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DE2525020C3 (de) * 1975-06-05 1985-11-21 Basf Ag, 6700 Ludwigshafen Statischer Mischer für fluide Stoffe
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Also Published As

Publication number Publication date
JPS62140631A (ja) 1987-06-24
ES2002196A6 (es) 1988-07-16
US4758098A (en) 1988-07-19
DK167177B1 (da) 1993-09-13
AU601384B2 (en) 1990-09-13
AU6638586A (en) 1987-06-18
DE3671386D1 (de) 1990-06-28
FI86808C (fi) 1992-10-26
CH669336A5 (fr) 1989-03-15
EP0226879A1 (fr) 1987-07-01
ATE52939T1 (de) 1990-06-15
FI863868A (fi) 1987-06-12
DK424586A (da) 1987-06-12
CA1283652C (fr) 1991-04-30
JPH0817927B2 (ja) 1996-02-28
FI863868A0 (fi) 1986-09-25
FI86808B (fi) 1992-07-15
DK424586D0 (da) 1986-09-04

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