EP1248743B1 - appareil de dissolution avec un dispositif a ajutages pour dissoudre un solide dans un solvant - Google Patents

appareil de dissolution avec un dispositif a ajutages pour dissoudre un solide dans un solvant Download PDF

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Publication number
EP1248743B1
EP1248743B1 EP01909639A EP01909639A EP1248743B1 EP 1248743 B1 EP1248743 B1 EP 1248743B1 EP 01909639 A EP01909639 A EP 01909639A EP 01909639 A EP01909639 A EP 01909639A EP 1248743 B1 EP1248743 B1 EP 1248743B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
dissolving
mixing tank
nozzle device
solid
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
EP01909639A
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German (de)
English (en)
Other versions
EP1248743A2 (fr
Inventor
Kristina BÖE
Raimund Kalinowski
Thomas Herold
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.)
GEA Tuchenhagen GmbH
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Tuchenhagen 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
Application filed by Tuchenhagen GmbH filed Critical Tuchenhagen GmbH
Publication of EP1248743A2 publication Critical patent/EP1248743A2/fr
Application granted granted Critical
Publication of EP1248743B1 publication Critical patent/EP1248743B1/fr
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
    • B01F21/00—Dissolving
    • B01F21/20—Dissolving using flow mixing
    • 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
    • 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
    • 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
    • B01F25/50—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle
    • B01F25/53—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle in which the mixture is discharged from and reintroduced into a receptacle through a recirculation tube, into which an additional component is introduced
    • 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
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/912—Radial flow
    • B01F2025/9121—Radial flow from the center to the circumference, i.e. centrifugal flow
    • 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
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/913—Vortex flow, i.e. flow spiraling in a tangential direction and moving in an axial direction

Definitions

  • the invention relates to a dissolving apparatus with a nozzle device for dissolving a solid in a solvent, preferably a powder Solid in water, according to the preamble of claim 1.
  • Solid in powdered form such as citric acid or Sweeteners
  • aqueous solution to keep them in this state in the To be further processed as part of the manufacturing process of the respective drink.
  • Solvent the water, to suspend.
  • JP 8-126826 A also shows a similar dissolving device, where the circuit flow is drawn off in the upper container side wall and the supply takes place as a vortex on the lower outer container edge and centrally from below as a horizontal annular gap flow.
  • a mixing container for liquids is also known from US Pat. No. 5,564,825 , in which the circulation flow is removed from the mixing container at a central point in the lower container bottom and, at a distance from the longitudinal axis of the container, is fed to the mixing container via a nozzle.
  • This nozzle combines an annular gap flow transversely to the longitudinal axis of the mixing container with purely axially ejecting hole nozzles.
  • a nozzle device which, starting from a supply pipe and seen in the direction of flow, in an annular gap nozzle and a tubular nozzle branched.
  • the annular gap nozzle generates an annular gap flow which in the is oriented substantially transversely to the longitudinal axis of the mixing tank.
  • the remaining one Partial flow of the supplied suspension is applied via a tubular nozzle generates a motive flow in the mixing tank which, based on the longitudinal axis of the Mixing tanks, one axial to the head part and also a tangential one Directional component has.
  • a convection flow is created via the tubular nozzle generated in the mixing tank, which records the entire tank content there and this circulates in both vertical and tangential directions.
  • the one over the ring The other partial flow of the suspension, which is discharged from the slit nozzle, preferably crosses downward convection flow and thereby leads to a intensive mixing of the suspension and on the other hand favors it very high energy cross flow the suspension conditions. Since both the Removal of the suspension and its supply via the bottom part of the Mixing tanks take place, the convection flow and the annular gap flow cross inevitably. Through the convection flow, the entire Tank contents included in the mixing and dissolving process as planned; stagnant areas in the tank with less favorable mass exchange conditions are reliably avoided.
  • annular gap nozzle it has proven to be advantageous to design the annular gap nozzle in such a way that it extends over an application angle of almost 360 degrees, measured in a plane perpendicular to the longitudinal axis of the mixing tank .. Through this measure, the annular gap flow over the entire Cross-sectional area of the mixing tank is discharged and can thus with the down over the entire circumference of the cylindrical jacket of the mixing tank cross the flowing convection flow.
  • the proposed opening apparatus with a nozzle device is simplified advantageously if, as is further proposed, the feed pipe the nozzle device by removing the suspension from the Bottom part serving drain housing is passed. in this case is only a single opening in the bottom of the mixing tank is required.
  • the feed pipe becomes coaxial arranged to the longitudinal axis of the mixing tank in the bottom part, then simplified on the one hand the arrangement in addition, on the other hand result largely from the Axially symmetrical expression of the flow pattern in the mixing tank in particular favorable dissolution and suspension conditions.
  • the opening apparatus with a nozzle device ( FIG. 1 ) essentially consists of a mixing tank 1, with a bottom part 1a, a cylindrical jacket part 1b and a head part 1c, a housing 2 flanged to the bottom part 1a, which consists of an outlet housing 2b and an inlet housing arranged underneath 2a, and a circuit line 6 starting from the outlet housing 2b and opening into the inlet housing 2a.
  • the latter consists of a suction line 6a, which connects the outlet housing 2b to a circulation pump 5, and a pressure line 6b, which leads from the circulation pump 5 to the inlet housing 2a.
  • a feed device 4 for a solid F opens into the suction line 6a.
  • a nozzle device 3 penetrates the outlet housing 2b in order to engage in the bottom region of the mixing tank 1 via a bottom opening 1d in the bottom part 1a.
  • the nozzle device 3 consists of a feed pipe 3a (see also FIG. 2 ), which starts from a partition wall, not specified, arranged between the inlet housing 2a and the outlet housing 2b and is delimited at its other end by a cover 3b such that between the end of the Inlet pipe 3a and the cover 3b, an annular gap nozzle 3c is formed.
  • the cover 3b is connected to the feed pipe 3a via at least one connecting web 3e, and it is also provided with a preferably centrally arranged, not designated opening to which a pipe nozzle 3d is connected.
  • FIG. 2 shows a vertical angle of attack ⁇ of the tubular nozzle 3d for generating the axial direction component, the tangential directional component results from a tangential angle of attack ⁇ ( FIG. 2a ).
  • the mixing tank 1 contains the quantity to be dissolved Solid F necessary amount of solvent, usually water, submitted. Then the water is circulated via the circulation line 6 by means of the circulation pump 5 from the bottom area of the mixing tank 1 and the subsequent drain housing 2b suctioned off and then the mixing tank 1 via the inlet housing 2a and the connecting pipe 3a following this on the way over the Annular gap nozzle 3c and the tubular nozzle 3d fed again.
  • the driving flow T generates a convection flow K in the mixing tank 1, which is oriented upwards on the one hand and tangentially on the other, ie in the direction of the circumference of the mixing tank 1 and which leads to a substantially downward flow in the region of the cylindrical jacket part 1b.
  • the latter is crossed in the bottom region of the mixing tank 1 by an annular gap flow R generated in the annular gap nozzle 3c. Due to these intersecting currents, there is an intensive suspension and mixing movement.

Claims (8)

  1. Appareillage de dissolution avec un dispositif à buse (3) pour dissoudre un solide (F) dans un solvant, de préférence un solide pulvérulent dans de l'eau, comprenant un réservoir de mélange (1) à la partie inférieure (1a) duquel est prélevée la suspension solide-solvant qui est ensuite envoyée par une pompe à l'extérieur du réservoir de mélange (1) et y est ramenée par une tuyauterie de recyclage (6), et le dispositif à buse (3) qui est disposé dans la partie inférieure (1a) du réservoir de mélange (1) et par l'intermédiaire duquel s'effectue l'alimentation de la suspension dans le réservoir de mélange (1), caractérisé en ce que
       le dispositif à buse (3) est subdivisé, à partir d'un tuyau d'alimentation (3a) et quand on regarde dans la direction d'écoulement, en une buse à espace annulaire (3c) et en une buse tubulaire (3d),
       la buse à espace annulaire (3c) génère un écoulement en espace annulaire (R),
       qui est orienté essentiellement transversalement à l'axe longitudinal du réservoir de mélange (1)
       et que la buse tubulaire (3d) génère un écoulement refoulant (T)
       qui, rapporté à l'axe longitudinal du réservoir de mélange (1), présente une composante de direction axiale orientée vers la partie supérieure (1c) du réservoir de mélange (1) et en supplément une composante de direction tangentielle.
  2. Appareillage de dissolution avec un dispositif à buse selon la revendication 1, caractérisé en ce que la buse à espace annulaire (3c) s'étend sur un angle de rendement pratiquement égal à 360 degrés, mesuré dans un plan perpendiculaire à l'axe longitudinal du réservoir de mélange (1).
  3. Appareillage de dissolution avec un dispositif à buse selon la revendication 1 ou 2, caractérisé en ce que le tuyau d'alimentation (3a) du dispositif à buse (3) traverse un corps d'écoulement (2b) servant à prélever la suspension de la partie inférieure (1a).
  4. Appareillage de dissolution avec un dispositif à buse selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le tuyau d'alimentation (3a) est disposé de manière coaxiale à l'axe longitudinal du réservoir de mélange (1), à la partie inférieure (1a) dudit réservoir.
  5. Appareillage de dissolution avec un dispositif à buse selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'un dispositif d'alimentation (4) pour le solide (F) débouche dans une tuyauterie d'aspiration (6a) prévue entre le corps d'écoulement (2b) et une pompe de circulation (5).
  6. Appareillage de dissolution avec un dispositif à buse selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'une section d'alimentation A dans le tuyau d'alimentation (3a) est dimensionnée de manière à y avoir une vitesse d'alimentation moyenne
       v = 2 à 3 m/s, de préférence v = 2,75 m/s.
  7. Appareillage de dissolution avec un dispositif à buse selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'une section d'espace annulaire A1 dans la buse à espace annulaire (3d) est dimensionnée de manière à avoir une vitesse moyenne dans l'espace annulaire
       v1 = 10 à 18 m/s, de préférence v1 = 14 m/s.
  8. Appareillage de dissolution avec un dispositif à buse selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'une section de tube A2 dans la buse tubulaire (3c) est dimensionnée de manière à avoir une vitesse moyenne dans le tube
       v2 = 3 à 7 m/s, de préférence v2 = 5 m/s.
EP01909639A 2000-01-19 2001-01-17 appareil de dissolution avec un dispositif a ajutages pour dissoudre un solide dans un solvant Expired - Lifetime EP1248743B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20000841U 2000-01-19
DE20000841U DE20000841U1 (de) 2000-01-19 2000-01-19 Düsenvorrichtung in einer Auflöseapparatur zur Auflösung eines Feststoffes in einem Lösungsmittel
PCT/EP2001/000486 WO2001053191A2 (fr) 2000-01-19 2001-01-17 Dispositif a ajutages dans un appareil de dissolution pour dissoudre un solide dans un solvant

Publications (2)

Publication Number Publication Date
EP1248743A2 EP1248743A2 (fr) 2002-10-16
EP1248743B1 true EP1248743B1 (fr) 2003-11-19

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EP01909639A Expired - Lifetime EP1248743B1 (fr) 2000-01-19 2001-01-17 appareil de dissolution avec un dispositif a ajutages pour dissoudre un solide dans un solvant

Country Status (5)

Country Link
EP (1) EP1248743B1 (fr)
JP (2) JP3078925U (fr)
AT (1) ATE254576T1 (fr)
DE (2) DE20000841U1 (fr)
WO (1) WO2001053191A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010029469A1 (de) 2010-05-28 2011-12-01 Gea Brewery Systems Gmbh Huppmann Tuchenhagen Vorrichtung zur Vermischung eines Tankinhalts

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7134781B2 (en) * 2003-02-11 2006-11-14 The Boc Group, Inc. Self-mixing tank
EP1800738A1 (fr) * 2005-12-23 2007-06-27 Sika Technology AG Dispositif et méthode de formation d'une matière adhésive et/ou d'étanchéité, matière adhésive et/ou d'étanchéité ainsi produite, et substrats collés
TWI384123B (zh) * 2006-02-23 2013-02-01 Levitronix Technologies Llc 旋轉泵，具有旋轉泵的液體動力混合機，及使用旋轉泵來處理流體
JP5224382B2 (ja) * 2009-03-30 2013-07-03 株式会社イズミフードマシナリ 分離装置を備えた溶解ポンプ
US9334471B2 (en) 2010-05-28 2016-05-10 Gea Brewery Systems Gmbh Method for accelerated fermentation and device for mixing a tank content
CN103657520B (zh) * 2013-12-31 2015-08-26 昆明特康科技有限公司 一种粉体物料与液体物料混合设备
CN103691339A (zh) * 2013-12-31 2014-04-02 昆明特康科技有限公司 一种固液混合设备
KR101630989B1 (ko) 2014-12-23 2016-06-16 주식회사 포스코 용해장치
DE102015220313A1 (de) * 2015-10-19 2017-04-20 Krones Ag Fermentationstank mit Verdrängungskörper, insbesondere zur Bierherstellung
US11123698B2 (en) * 2017-06-21 2021-09-21 Alfa Laval Corporate Ab Fluid handling apparatus and fluid tank system
DE102021209275A1 (de) * 2021-08-24 2023-03-02 A. Berents GmbH & Co. Kommanditgesellschaft Mischeinrichtung zur Herstellung eines fließfähigen Produkts und Verfahren zum Betrieb einer Mischeinrichtung

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US923571A (en) * 1908-07-23 1909-06-01 Rapid Cyanide Extraction Company Pulp-agitator.
US4007921A (en) * 1976-01-19 1977-02-15 The Dow Chemical Company Apparatus for mixing dry particles with a liquid
US4100614A (en) * 1976-06-18 1978-07-11 Houdaille Industries, Inc. Method for polymer dissolution
US4893937A (en) * 1988-06-30 1990-01-16 Eastman Kodak Company Apparatus and method for suspending solids
DE3844174A1 (de) * 1988-12-29 1990-07-05 Fresenius Ag Anlage zur herstellung von konzentraten durch mischung von fluessigkeit mit loeslichem feststoff
US5564825A (en) * 1992-12-02 1996-10-15 Shrader Canada Limited Integral inlet valve and mixer to promote mixing of fluids in a tank
JP3216445B2 (ja) * 1994-10-31 2001-10-09 ニプロ株式会社 溶解装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010029469A1 (de) 2010-05-28 2011-12-01 Gea Brewery Systems Gmbh Huppmann Tuchenhagen Vorrichtung zur Vermischung eines Tankinhalts

Also Published As

Publication number Publication date
EP1248743A2 (fr) 2002-10-16
ATE254576T1 (de) 2003-12-15
JP2003520129A (ja) 2003-07-02
DE50100992D1 (de) 2003-12-24
WO2001053191A3 (fr) 2001-12-20
JP3078925U (ja) 2001-07-27
DE20000841U1 (de) 2000-03-30
WO2001053191A2 (fr) 2001-07-26

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