EP1169116A2 - Mischer für flüssigkeiten und feststoffe - Google Patents

Mischer für flüssigkeiten und feststoffe

Info

Publication number
EP1169116A2
EP1169116A2 EP00914007A EP00914007A EP1169116A2 EP 1169116 A2 EP1169116 A2 EP 1169116A2 EP 00914007 A EP00914007 A EP 00914007A EP 00914007 A EP00914007 A EP 00914007A EP 1169116 A2 EP1169116 A2 EP 1169116A2
Authority
EP
European Patent Office
Prior art keywords
gas
nozzle
vertical axis
nozzles
bubble
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
EP00914007A
Other languages
English (en)
French (fr)
Other versions
EP1169116B1 (de
Inventor
Gilbert Sudrot
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.)
Modutech SA
Original Assignee
Modutech SA
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 Modutech SA filed Critical Modutech SA
Publication of EP1169116A2 publication Critical patent/EP1169116A2/de
Application granted granted Critical
Publication of EP1169116B1 publication Critical patent/EP1169116B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/212—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being movable, e.g. rotating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23314—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer element
    • 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
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/211—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being surrounded by guiding tubes
    • 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
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/212—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being movable, e.g. rotating
    • B01F25/2122—Rotating during jetting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
    • B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
    • B01F33/4021—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements the gas being introduced through the shaft of the stirring element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/3203—Gas driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
    • B01F35/32—Driving arrangements
    • B01F35/32005—Type of drive
    • B01F35/32015—Flow driven

Definitions

  • the present invention relates to a device for moving fluid or solid substances and to a method for implementing said device.
  • the documents GB 1 400 723, FR-A-2 482 471, US-A-3 671 018 and US-A-4 136 970 disclose mixers of fluid or solid substances comprising a container and at least one nozzle emitting bubble bubbles. gas which is located in the lower part of said container. The mixing is achieved by the formation and elevation of the bubbles.
  • Document WO 85/03458 presents a mixer similar to the preceding ones which comprises a plurality of gas emitting nozzles situated at the bottom of the container, each nozzle consisting of a horizontal circular plate made integral with the bottom of the container by means of spacers , the gas being conveyed in a conduit linked to the upper part of the nozzle to open into the space between the circular plate and the bottom of the container so that the gas bubbles are generated in said space.
  • the present invention has the merit of significantly reducing, even eliminating completely, the aforementioned drawbacks of the devices of the state of the art. It relates to a device for setting in motion fluid or solid substances, by means of gas bubbles, comprising a container intended to receive said substances, at least one gas-emitting nozzle situated in the lower part of said container and a system for routing of gas to said nozzle. It is characterized by the fact that said nozzle is mobile.
  • the nozzles move around a vertical axis.
  • the gas can also be used to ensure the displacement of the nozzles, which considerably simplifies the entire device.
  • any displacement of the nozzles can be envisaged, the latter can all move in the same horizontal plane or in different horizontal planes, superimposed on each other.
  • the shape of the nozzles is not limited to a particular embodiment, provided that it is adapted to the emission of gas bubbles while remaining mobile.
  • the nozzles consist essentially of two plates between which the gas bubbles are generated.
  • the device according to the invention thanks to the mobility of the nozzles, makes it possible to reduce the number of nozzles necessary to ensure adequate mixing. In addition, the fixed turbulence zones are eliminated, which considerably improves the efficiency of the mixing.
  • the fields of application of the present invention and the dimensions of the device are multiple. By way of example, mention may be made of the mixture of oils for the petroleum industry, polymers for the chemical industry and cereals for the agricultural industry.
  • Figure 1 shows the lower part of a first embodiment of the device according to the invention
  • Figure 2 shows a front view of the embodiment of Figure 1
  • Figure 3 shows the lower part of a second embodiment of the device according to the invention
  • Figure 4 shows a front view of the embodiment of Figure 3
  • Figure 5 shows a front view of a nozzle used for the devices of Figures 1 to 4
  • Figure 6 shows a top view of the nozzle of Figure 5
  • Figure 7 shows a gas delivery system for the device of Figures 3 and 4
  • the device consists of a container (10) of cylindrical shape, the bottom is horizontal.
  • a pipe (8) conveys gas, for example air, to a distributor (9) placed in the center of the bottom of the container (10).
  • a rotary injector (7) is placed above the distributor (9).
  • each rod (12) is provided with a nozzle (6).
  • Figures 3 and 4 show a device identical to that of Figures 1 and 2, except that, in addition to a first injector system (7) - rods (11) - nozzles (6), it is provided with a second injector system (7) - rods (12) - nozzles (6). The second system is placed above the first and the length of its rods (12) is greater than that of the rods (11) of the first system.
  • Figures 5 and 6 illustrate a nozzle (6) used in one or other of the devices described above, it comprises two plates (3,4) of circular shape, superimposed relative to each other and held remotely via three spacers (2).
  • the end (1) of a rod (11, 12) is fixed towards the central part of the lower circular plate (3) to end up in the space between the two plates (3,4).
  • FIG. 7 schematically illustrates a system for routing gas through the pipe (8) to the nozzles (6).
  • the gas Before entering the distributor (9), the gas, the path of which is symbolized by arrows, passes through a filter (17) and a pneumatic valve (16), the adjustment of the pneumatic valve (16) being adjusted by a remote control regulation assembly (13) (15) and supplied by an electrical conduit (14).
  • composition of the materials which constitute the container (10), the distributor (9), the injectors (7), the rods (11, 12) and the nozzles (6) is not limited. Depending on the substances to be mixed, solid substances for example, particularly resistant materials will be chosen.
  • the pneumatic valve (16) is adjusted so that the gas is conveyed to the nozzles (6) and generates bubbles between the two circular plates (3,4).
  • the bubbles initiate the mixing.
  • the pneumatic valve (16) is actuated so as to interrupt the flow of gas to the nozzles (6), which results in an interruption in the formation of bubbles.
  • the gas is then conveyed in a system, consisting for example of blades placed inside the rotary injectors (7), so as to rotate these last at a determined angle, for example 30 °
  • the pneumatic valve (16) is actuated so as to allow the gas to be conveyed to the nozzles (6), which results in a new mixing cycle as described above.
  • the pipe (8) between the pneumatic valve (16) and the distributor (9) may consist of a plurality of pipes, the opening of which is controlled by the pneumatic valve (16), a part of said pipes being used to carry out the rotation of the injectors (7) while the other part ensures the delivery of gas to the nozzles.
  • the examples described above relate to a device where gas is used both to generate bubbles and to rotate the rod system (11, 12). It goes without saying that the present invention also includes less compact devices where the rotation of the rod system is carried out by a motor intended solely for this purpose.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Accessories For Mixers (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
EP00914007A 1999-04-14 2000-04-11 Mischer für flüssigkeiten und feststoffe Expired - Lifetime EP1169116B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH68699 1999-04-14
CH68699 1999-04-14
PCT/CH2000/000209 WO2000061272A2 (fr) 1999-04-14 2000-04-11 Melangeur de substances fluides ou solides

Publications (2)

Publication Number Publication Date
EP1169116A2 true EP1169116A2 (de) 2002-01-09
EP1169116B1 EP1169116B1 (de) 2002-10-30

Family

ID=4192806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00914007A Expired - Lifetime EP1169116B1 (de) 1999-04-14 2000-04-11 Mischer für flüssigkeiten und feststoffe

Country Status (7)

Country Link
US (1) US6634625B1 (de)
EP (1) EP1169116B1 (de)
AT (1) ATE226847T1 (de)
AU (1) AU3548500A (de)
DE (1) DE60000687T2 (de)
ES (1) ES2185581T3 (de)
WO (1) WO2000061272A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT5698U1 (de) * 2001-11-23 2002-10-25 Hermann Boeck Vorrichtung und verfahren zum mischen von flüssigen, zähflüssigen und/oder rieselfähigen medien
NZ537239A (en) * 2003-04-08 2006-08-31 Richard E Apparatus and method for gas induced mixing and agitating of a fermenting juice in a tank during vinification
US8366312B1 (en) 2006-08-01 2013-02-05 United Services Automobile Association (Usaa) Systems to store and agitate fuel
CN100435923C (zh) * 2006-12-07 2008-11-26 上海化工研究院 一种卧式固液混合装置
US10898995B2 (en) 2017-02-22 2021-01-26 Illinois Tool Works Inc. Powered fastener driving tool having fuel/gas mixture compressed ignition
US11179837B2 (en) 2017-12-01 2021-11-23 Illinois Tool Works Inc. Fastener-driving tool with multiple combustion chambers and usable with fuel canisters of varying lengths
CN110237766A (zh) * 2018-03-08 2019-09-17 中石化广州工程有限公司 一种液动调合搅拌器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD69507A (de) *
DE69507C (de) MASCHINENFABRIK GRITZNER, AKTIENGESELLSCHAFT, in Durlach Vierfach wirkende Kolbenpumpe
DE428237C (de) * 1922-08-16 1926-04-27 Dorr Co Vorrichtung zum Bereiten und Mischen von Zementschlamm
US1806068A (en) * 1926-07-09 1931-05-19 Ciments Luxembourgeois Sa Des Process for rendering homogeneous finely pulverized materials in large masses
FR888432A (fr) * 1942-07-31 1943-12-13 Perfectionnements aux souffleurs-agitateurs dans une masse liquide
BE525439A (de) * 1953-03-13
DE1027966B (de) * 1953-07-29 1958-04-10 Peters Ag Claudius Verfahren zum Mischen und Homogenisieren trockener pulveriger Stoffe auf teilweise pneumatischem Wege
US2826401A (en) * 1956-02-27 1958-03-11 Leslie E Peters Liquid carbonating apparatus
DE1187112B (de) * 1959-05-26 1965-02-11 Dr Antonio Baricordi Wirbelmuehle
AT276262B (de) * 1967-09-26 1969-11-25 Hubert Fuchs Misch-Aggregat zum Einbringen von beliebigen Zusatz-Stoffen als Sekundär-Komponenten in Flüssigkeiten bzw. stationäre Gewässer, insbesondere zur biologischen Reinigung von Wasser
US3779531A (en) * 1970-08-21 1973-12-18 R White Top driven material shearing mixer and aerator
US3911064A (en) * 1971-04-08 1975-10-07 Union Carbide Corp System for gas sparging into liquid
FR2402472A1 (fr) * 1977-09-13 1979-04-06 Alsthom Atlantique Appareil pour le maintien en suspension de produits solides et procede d'utilisation
US4595296A (en) * 1984-02-06 1986-06-17 Parks Richard E Method and apparatus for gas induced mixing and blending
AT400008B (de) * 1993-09-29 1995-09-25 Frings & Co Heinrich Vorrichtung zur gaseintragung in eine flüssigkeit
US6193221B1 (en) * 1998-04-10 2001-02-27 Grt, Inc. Method of and apparatus for producing sub-micron bubbles in liquids, slurries, and sludges

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0061272A2 *

Also Published As

Publication number Publication date
ATE226847T1 (de) 2002-11-15
AU3548500A (en) 2000-11-14
DE60000687T2 (de) 2003-09-18
WO2000061272A2 (fr) 2000-10-19
DE60000687D1 (de) 2002-12-05
WO2000061272A3 (fr) 2001-03-08
EP1169116B1 (de) 2002-10-30
US6634625B1 (en) 2003-10-21
ES2185581T3 (es) 2003-05-01

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