EP1733785A1 - Appareil ou méthode pour mélanger un solide pulvérulent ou un liquide avec un gaz ou un liquide - Google Patents

Appareil ou méthode pour mélanger un solide pulvérulent ou un liquide avec un gaz ou un liquide Download PDF

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Publication number
EP1733785A1
EP1733785A1 EP05105328A EP05105328A EP1733785A1 EP 1733785 A1 EP1733785 A1 EP 1733785A1 EP 05105328 A EP05105328 A EP 05105328A EP 05105328 A EP05105328 A EP 05105328A EP 1733785 A1 EP1733785 A1 EP 1733785A1
Authority
EP
European Patent Office
Prior art keywords
nozzle
outlet
cavity
passage
liquid
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
EP05105328A
Other languages
German (de)
English (en)
Other versions
EP1733785B1 (fr
Inventor
Rudolf Lauper
Jürg Roland Küffer
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.)
JAG JAKOB AG
Original Assignee
JAG Jakob Prozesstechnik 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 JAG Jakob Prozesstechnik AG filed Critical JAG Jakob Prozesstechnik AG
Priority to AT05105328T priority Critical patent/ATE474660T1/de
Priority to EP05105328A priority patent/EP1733785B1/fr
Priority to DE502005009957T priority patent/DE502005009957D1/de
Publication of EP1733785A1 publication Critical patent/EP1733785A1/fr
Application granted granted Critical
Publication of EP1733785B1 publication Critical patent/EP1733785B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B01F23/2326—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles adding the flowing main component by suction means, e.g. using an ejector
    • 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
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • 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
    • B01F23/30—Mixing gases with solids
    • 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
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/451—Mixing liquids with liquids; Emulsifying using flow mixing by injecting one liquid into another
    • 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
    • B01F23/50—Mixing liquids with solids
    • 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
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/09—Stirrers characterised by the mounting of the stirrers with respect to the receptacle
    • B01F27/091—Stirrers characterised by the mounting of the stirrers with respect to the receptacle with elements co-operating with receptacle wall or bottom, e.g. for scraping the receptacle wall
    • 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
    • B01F35/10—Maintenance of mixers
    • B01F35/145—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means
    • B01F35/1452—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids
    • B01F35/1453—Washing or cleaning mixers not provided for in other groups in this subclass; Inhibiting build-up of material on machine parts using other means using fluids by means of jets of fluid, e.g. air

Definitions

  • the present invention relates to an apparatus and a method for admixing a pulverulent solid or a liquid to a gas or a liquid.
  • the disadvantage of this device is that it is not flexible enough, i. one can not really vary the flow rate, that it is not expandable, e.g. in the case of constipation problems and that their maintenance is difficult.
  • such a device does not allow the admixture of liquids to gases or liquids.
  • the invention aims to avoid these disadvantages and difficulties and has the object to provide a device which is adaptable, ie that it allows the addition of a great many different materials, in particular the admixture of liquids to gases or liquids, in a simple manner, is easily degradable, is inexpensive to produce, and their maintenance is easy.
  • the nozzle is separable from the venturi body.
  • the nozzle is connected by a sleeve part with the inlet line, wherein the nozzle is separable from the sleeve part and the sleeve part is separable from the inlet line.
  • the outlet line is connected by an outlet nozzle with the cavity.
  • a further advantageous embodiment of the invention is that the outlet nozzle is separable from the venturi body.
  • a further advantageous embodiment of the invention is that the outlet line is connected by a connecting part with the outlet nozzle, wherein the outlet nozzle is separable from the connecting part.
  • a further advantageous embodiment of the invention provides that the connecting part of the outlet line is separable.
  • the nozzle has an elongated part and a first disc-shaped part.
  • the sleeve part has an elongated part and a second disc-shaped part for connection to the first disc-shaped part of the nozzle.
  • the outlet nozzle has an elongate part and a third disc-shaped part.
  • the connecting part has an elongated part and a fourth disc-shaped part for connection to the third disc-shaped part.
  • the cross-sectional area of the passage of the nozzle and optionally the cross-sectional area of the passage of the sleeve part decrease.
  • the cross-sectional area of the passage of the nozzle is axially constant and the cross-sectional area of the passage of the sleeve part decreases.
  • the cross section of the passage of the nozzle is polygonal, in particular triangular or hexagonal.
  • the passage consists of a plurality of discs, ie the cross section of the passage consists of a plurality of discs.
  • the cross-section of the passage of the connecting part in the direction of the outlet line increases.
  • the device further comprises a hopper which is connected to the supply line.
  • a valve is arranged between the funnel and the supply line.
  • the funnel is truncated cone and equipped with a scraper for the inner wall of the funnel.
  • the scraper is connected by at least one lever with a vertical axis pin.
  • the funnel is equipped with a spray nozzle.
  • a device wherein the outlet line is connected to the cavity through an outlet nozzle and the outlet nozzle is separable from the outlet line and from the venturi and wherein the outlet nozzle before admixing depending on the admixed powdery solid or the liquid to be mixed and depending on the gas or the liquid is selected.
  • FIGs. 1 and 2 A device according to a first embodiment of the invention is shown in Figs. 1 and 2.
  • the inlet line 1 has a substantially horizontal part 2, which ends with an end part 3. This consists of a nozzle 8 which is connected by means of a sleeve part 9 with the inlet line 1.
  • the nozzle 8 has an elongate part 20 and a first disc-shaped part 21.
  • the part 20 is cylindrical.
  • the first disc-shaped part 21 is disc-shaped and separable with the sleeve part 9 connected.
  • the nozzle 8 has a passage 22 whose cross-sectional area decreases axially from the side of the sleeve part 9 to the end side, ie in the direction of the cavity 5.
  • the sleeve part 9 has an elongated cylindrical part 23 and a second disk-shaped disk-shaped part 24, which is in contact with the first disk-shaped part 21.
  • the two disc-shaped parts 21 and 24 have substantially the same diameter.
  • the part 23 is separably connected to the inlet line 1.
  • the disc-shaped part 24 is supported on the Venturi body 4.
  • the disc-shaped parts 21 and 24 have holes through which screws can be inserted.
  • the nozzle 8 and the sleeve part 9 are simultaneously connected to each other and separable with the Venturi body 4.
  • the venturi 4 is generally cylindrical. On one side it has an inlet hole for receiving the elongated part 20 of the nozzle 8.
  • the inlet hole opens into the cavity 5 of the venturi body 4 and has substantially the same length as the elongated part 20 of the nozzle 8.
  • the cavity 5 is cylindrical and its dimensions are chosen by the skilled person so that when using the device a Venturi effect is triggered.
  • the supply line 6 In the upper part of the Venturi stresses 4 is the supply line 6, whose inner diameter corresponds to the diameter of the cavity 5.
  • the supply conduit 6 is welded to the venturi 4 or secured in any suitable manner.
  • Sealing rings are provided in all suitable places, namely between the disc-shaped parts 21 and 24, between the disc-shaped part 21 and the Venturi body 4, between the conduit 7 and the outlet hole, and between the supply line 6 and the cavity. 5
  • Fig. 3 illustrates a further embodiment of the invention.
  • the difference between this embodiment and the embodiment of Figs. 1 and 2 is in the discharge line 7, which is connected in this embodiment by a connecting part 11 and an outlet nozzle 10.
  • the outlet nozzle 10 has an elongate part 25 and a third disc-shaped part 26.
  • the part 25 is cylindrical.
  • the outlet nozzle 10 has a passage 27.
  • the connecting part 11 has an elongated part 28 and a fourth disk-shaped disk-shaped part 29, which is in contact with the third disk-shaped part 26.
  • the two disc-shaped parts 26 and 29 have substantially the same diameter.
  • the part 28 is separably connected to the outlet line 7.
  • the disc-shaped part 26 is supported on the Venturi body 4.
  • the disc-shaped parts 26 and 29 have holes through which screws can be inserted.
  • the outlet nozzle 10 and the connecting part 11 are simultaneously connected to each other and to the Venturi body 4 separable.
  • the passage consists of a first part 31 and a second part 32.
  • the first part 31 is frustoconical and its largest diameter is on the side of the inlet duct.
  • the second part 32 is cylindrical.
  • Figs. 6 and 7 show another nozzle 33.
  • the passage 34 has a uniform triangular cross-section.
  • this nozzle 33 must be associated with a sleeve part whose passage has a cross-sectional area decreasing in the direction of the cavity.
  • FIGS. 8 and 9 show another nozzle 35.
  • the passage 36 has a uniform hexagonal cross-section.
  • this nozzle 35 must also be associated with a sleeve part whose passage has a cross-sectional area decreasing in the direction of the cavity.
  • Figs. 10 and 11 show another nozzle 37.
  • the passage 38 has a cross-section consisting of seven evenly arranged disks.
  • this nozzle 37 must also be associated with a sleeve part whose passage has a cross-sectional area decreasing in the direction of the cavity.
  • FIGS. 12 and 13 Another preferred embodiment of the invention is shown in FIGS. 12 and 13.
  • the end part 3a has a nozzle 39 and a sleeve part 40, both of which have a passage 41 and 42, respectively, whose cross-sectional area decreases in the direction of the cavity.
  • the sleeve part 40 here comprises a disk-shaped part 13, a cylindrical elongate part 43, to which a first additional part 44 and a second additional cylindrical part 47 are connected.
  • the nozzle 39 is separably connected to the venturi 4.
  • the part 43 of the sleeve part 40 is separably connected to the nozzle 39.
  • the part 47 is separably connected to the inlet line 1.
  • the first additional part 44 is an eccentric truncated cone, the exact shape of which is best seen in FIG.
  • the part 44 has the shape obtained by making a first disk 45 and a second disk 46 having a larger diameter than the disk 45 vertical and parallel to each other on a flat plane, and their respective edges with each other combines. This shape has the advantage that virtually no liquid remains in the sleeve part 40 when the device is not working.
  • the discharge line is connected to the cavity 5 by a connecting part 11a and an outlet nozzle 10a.
  • the connecting part 11a has an elongated part 28a and a disk-shaped part 29a.
  • the outlet nozzle 10a is separably connected to the venturi 4.
  • the part 29a is separably connected to the outlet nozzle 10a.
  • the part 28 a is separably connected to the outlet line 7.
  • the cross-sectional area of the passage 57 of the elongated part 28a increases in the direction of the discharge pipe 7.
  • the elongated portion 28a is preferably substantially frustoconical. In this way, a possible backflow of the mixture, suspension or dispersion is avoided in the cavity.
  • a funnel 48 (see Fig. 12) is connected to the supply line 6a.
  • a valve 49 is disposed between the hopper 48 and the supply line 6a.
  • the funnel 48 is frustoconical and equipped with a scraper 50 for the inner wall 51 of the funnel 48.
  • the scraper 50 is connected by lever 52 with a vertical axis pin 53.
  • the pin is rotated by a joint drive 54 by means of an electrical horizontally disposed motor 55. In this way, the inner wall 51 of the funnel 48 can be scraped off regularly, which also facilitates the introduction of a pulverulent solid into the supply line 6a.
  • the funnel 48 is also equipped with a spray nozzle 56. In this way it can advantageously be purged between two applications of the device.
  • the gas or liquid stream is supplied through the inlet line 1, the optional sleeve part and the nozzle to the cavity 5 (see Fig. 1).
  • the admixing liquid is supplied through the supply line 6 to the cavity 5.
  • the resulting mixture, suspension or dispersion leaves the cavity through the outlet line 7, optionally through an outlet nozzle and a connecting part (FIG. 2).
  • a device with a funnel 48 is preferably used (see Fig. 12).
  • the gas or liquid flow is supplied through the inlet line 1, the optional sleeve part and the nozzle 39 to the cavity 5.
  • the solid to be mixed is supplied to the cavity 5 through the hopper 48 and the supply pipe 6a.
  • the mixture (when the solid dissolves in the liquid), the suspension or dispersion leaves the cavity through the outlet conduit 7, optionally through an outlet nozzle 10a and a connecting part 11a.
  • a device according to the invention is used.
  • the most appropriate one is selected first.
  • the nozzle By selection of the nozzle, it should be understood here, of course, to select the shape of the passage (polygonal, multi-disk, oval %) and the cross-sectional area of the passage of the nozzle.
  • the pressure of the solid to be mixed or the liquid to be mixed and the pressure of the gas or main liquid flow are determined in a known manner.
  • the gas or liquid flow is supplied through the inlet line 1, the optional sleeve part and the nozzle to the cavity 5 with the specific pressure.
  • the liquid to be mixed or the solid to be mixed is supplied through the supply pipe 6 to the cavity 5 at the predetermined pressure.
  • a device with an outlet nozzle and a connecting part is used.
  • outlet nozzle By selecting the outlet nozzle one should understand here selection of the cross-sectional area of the passage of the outlet nozzle.
  • the sleeve part 9, 40 and / or the connecting part 11, 11a is / are also selected depending on the powdery solid or liquid to be admixed and also on the gas or main fluid.
  • An interesting and important feature of the invention is that one can adjust or select the nozzle depending on the solid to be mixed or the liquid to be mixed.
  • the device can be distributed as a set, that is, as a device according to the invention plus at least one and preferably many different nozzles.
  • the embodiment of Fig. 3 is distributed, i. a set with several different nozzles and one, preferably several different outlet nozzles and optionally a plurality of sleeve parts and / or connecting parts.
  • the separable parts are simply separated, the present nozzle and optionally the present socket part and / or the outlet nozzle and / or the connecting part removed, and the new suitable nozzle and, where appropriate, the new suitable socket part and / or the attached new suitable outlet nozzle and / or the new suitable connecting part.
EP05105328A 2005-06-16 2005-06-16 Appareil et set pour mélanger un solide pulvérulent ou un liquide avec un liquide Not-in-force EP1733785B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT05105328T ATE474660T1 (de) 2005-06-16 2005-06-16 Vorrichtung und set zum beimischen eines pulverförmigen feststoffes oder einer flüssigkeit zu einer flüssigkeit
EP05105328A EP1733785B1 (fr) 2005-06-16 2005-06-16 Appareil et set pour mélanger un solide pulvérulent ou un liquide avec un liquide
DE502005009957T DE502005009957D1 (de) 2005-06-16 2005-06-16 Vorrichtung und Set zum Beimischen eines pulverförmigen Feststoffes oder einer Flüssigkeit zu einer Flüssigkeit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05105328A EP1733785B1 (fr) 2005-06-16 2005-06-16 Appareil et set pour mélanger un solide pulvérulent ou un liquide avec un liquide

Publications (2)

Publication Number Publication Date
EP1733785A1 true EP1733785A1 (fr) 2006-12-20
EP1733785B1 EP1733785B1 (fr) 2010-07-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05105328A Not-in-force EP1733785B1 (fr) 2005-06-16 2005-06-16 Appareil et set pour mélanger un solide pulvérulent ou un liquide avec un liquide

Country Status (3)

Country Link
EP (1) EP1733785B1 (fr)
AT (1) ATE474660T1 (fr)
DE (1) DE502005009957D1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102378820A (zh) * 2009-03-31 2012-03-14 新日本制铁株式会社 粘合剂添加方法、粘合剂添加装置、混炼机及混炼方法
CN103033379A (zh) * 2012-12-10 2013-04-10 中国船舶重工集团公司第七一一研究所 颗粒加载混合装置
CN111282507A (zh) * 2020-03-19 2020-06-16 江阴市恒中精工机械有限公司 一种智能在线胶水计量配料与溶解混合装置及方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3393898A (en) 1967-03-29 1968-07-23 Agricultural Chemical Equipmen Fertilizer blender
AT301498B (de) * 1969-10-13 1972-09-11 Karl Huetter Vorrichtung zum Mischen von Medien, insbensodere Flüssigkeiten
US4226719A (en) 1978-07-10 1980-10-07 Woltman Robert B Treating device for large bodies of water
GB2274110A (en) * 1992-11-30 1994-07-13 Sumitomo Chemical Co Supplying catalyst for a gas-phase polymerisation
WO2000009236A1 (fr) * 1998-08-14 2000-02-24 Novafluid - Innovative Strömungs- & Wärmeübertragungs-Technologie Gmbh Installation permettant de separer un melange vapeur-liquide en ecoulement
US20050089408A1 (en) 2003-05-09 2005-04-28 Solomon Jason D. Fluid ejector pumps

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH426640A (de) * 1963-12-19 1966-12-15 Kokeisl Theodor Einrichtung an Behältern zur Aufnahme und zur dosierten Entnahme von Schüttgut
DE2110991A1 (de) * 1971-03-08 1972-09-21 Heinrich Gerk Auflockerung im Siloauslauf
CH529679A (de) * 1971-11-16 1972-10-31 Kokeisl Theodor Einrichtung an Behältern zur Aufnahme und zur dosierten Entnahme von Schüttgut
DE2425532A1 (de) * 1974-05-27 1975-12-11 Degussa Vorrichtung und verfahren zum dosierten austrag stark backender bzw. agglomerationsfreudiger und schwer fluidisierbarer pulver aus behaeltern
DE3515379A1 (de) * 1985-04-27 1986-11-06 KBI Klöckner-Becorit Industrietechnik GmbH, 4224 Hünxe Vorrichtung zum schuettgutaustrag aus einem behaelter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3393898A (en) 1967-03-29 1968-07-23 Agricultural Chemical Equipmen Fertilizer blender
AT301498B (de) * 1969-10-13 1972-09-11 Karl Huetter Vorrichtung zum Mischen von Medien, insbensodere Flüssigkeiten
US4226719A (en) 1978-07-10 1980-10-07 Woltman Robert B Treating device for large bodies of water
GB2274110A (en) * 1992-11-30 1994-07-13 Sumitomo Chemical Co Supplying catalyst for a gas-phase polymerisation
WO2000009236A1 (fr) * 1998-08-14 2000-02-24 Novafluid - Innovative Strömungs- & Wärmeübertragungs-Technologie Gmbh Installation permettant de separer un melange vapeur-liquide en ecoulement
US20050089408A1 (en) 2003-05-09 2005-04-28 Solomon Jason D. Fluid ejector pumps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102378820A (zh) * 2009-03-31 2012-03-14 新日本制铁株式会社 粘合剂添加方法、粘合剂添加装置、混炼机及混炼方法
CN103033379A (zh) * 2012-12-10 2013-04-10 中国船舶重工集团公司第七一一研究所 颗粒加载混合装置
CN111282507A (zh) * 2020-03-19 2020-06-16 江阴市恒中精工机械有限公司 一种智能在线胶水计量配料与溶解混合装置及方法

Also Published As

Publication number Publication date
ATE474660T1 (de) 2010-08-15
EP1733785B1 (fr) 2010-07-21
DE502005009957D1 (de) 2010-09-02

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