Classifications

• • 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
  • B01F27/40—Mixers with rotor-rotor system, e.g. with intermeshing teeth
  • B01F27/41—Mixers with rotor-rotor system, e.g. with intermeshing teeth with the mutually rotating surfaces facing each other
  • B01F27/412—Mixers with rotor-rotor system, e.g. with intermeshing teeth with the mutually rotating surfaces facing each other provided with ribs, ridges or grooves on one surface
• • 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
  • B01F23/41—Emulsifying
• • 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
  • B01F25/52—Circulation mixers, e.g. wherein at least part of the mixture is discharged from and reintroduced into a receptacle with a rotary stirrer in the recirculation tube

Definitions

• the invention relates to a homogenizer device for dispersing and / or homogenizing liquid to viscous substances, with a container having one or more opening for introducing the substances to be processed, in a central region of its bottom a container outlet opening for supplying the substances into a Having below the bottom arranged processing unit, which contains two independently rotatably mounted, concentrically arranged, circular trained sprockets, which are separated from each other over a predetermined gap.
• the object of the invention is therefore to provide a homogenizer device with a compact processing unit that works effectively and yet allows an adaptable to a given substance mixture processing.
• this object is achieved in that the drive shafts of a first sprocket and a second sprocket of the processing unit are each arranged perpendicular to the conveying direction of the outlet opening leaving substances.
• the drive shafts of a first sprocket and a second sprocket of the processing unit are each perpendicular to the conveying direction of the outlet opening leaving substances, that all components of the processing unit are mounted very close below the bottom of the container, and thus substances to be homogenized can be introduced into the processing unit via a shorter supply line than in the prior art, and also via a shorter return line than in the prior art are traceable to the container. As a result, a processing of very small amounts of substance is possible in particular.
• the construction according to the invention allows a direct flanging of a drive motor to a drive shaft while avoiding gears, o.a. This has the consequence of a reduction of components, manufacturing costs and maintenance costs. Furthermore, the generation of undesired vibrations is reduced by the direct coupling of drive motor with the drive shaft and thus increases the smoothness and the synchronization of shafts and rotors.
• Another advantage of the device according to the invention is the lower height to call in comparison to a conventional device in which the drive shafts of a first sprocket and a second sprocket of the processing unit axially in the conveying direction of the outlet opening leaving substances are arranged.
• a Mischablyeriel having a plurality of sheet elements for mixing the substances to be homogenized with at least one powdery substance and for deflecting the conveying path of the substance mixture by 90 ° in the direction of the decentered to the vertical Container axis arranged processing unit is provided, wherein the axis of rotation of the mixing conveyor wing is also arranged perpendicular to the conveying direction of the outlet opening leaving substances.
• liquid is separated from the container after exiting an outlet opening of the container by means of the Misch-Förderflugis in discrete liquid thrusts successively behind the mixing conveyor wing to move towards the homogenization unit.
• the liquid powder and possibly another liquid or powdered substance is supplied.
• the powder and the optional further substance mixes more intensely with the fluid particles of the thrombus in a peripheral area of a thrombus than in a central area of the fluid thrombus, since the Liquid particles in the peripheral region have a higher kinetic energy.
• liquid thrombus contains more liquid mass in its peripheral region than in its central region, so that it can easily lead to clumping of the powder supplied in its central region, since on the one hand only a small amount of liquid particles are present and on the other hand, the kinetic energy of these liquid particles so it is minor that it is sometimes not sufficient to dissolve powder clusters.
• the powder clusters thus formed in a central region of a liquid thrombus may, in a subsequent processing operation in a homogenization unit, lead to blockages in the region of the respective rotors.
• the thrombi resulting from vertical shaft bearing of the mixed conveying jet would cause pressure toward the inner wall of the conveying line due to the velocity distribution of the particles of the peripheral region due to the centrifugal force, that is, the flow direction. against the conveying direction of the powder substances supplied by the inlet supports.
• the feeding of powder would be hindered.
• this disadvantage does not occur due to the prevention of thrombogenesis, because a supply of powder substances is not affected by an internal velocity and morphology profile of a thrombus. Instead, an improved mixing of the substances in question takes place largely without trombe formation.
• the sprockets are preferably formed as part of a compact processing unit, which is located immediately below the bottom of the container.
• the toothed rings which are arranged perpendicular to the central axis of the container, are in particular each driven by a shaft arranged horizontally in the processing unit.
• the second sprocket is slidably mounted in the direction of its central axis such that it consists of a first Position in which it is arranged radially behind the first sprocket can be moved to a second position in which it is arranged outside the conveying path of the conveyed by the first sprocket flowable substance.
• the substances can be returned to the container after being processed by the sprockets into a container inlet opening in the region of the container bottom.
• the container inlet opening is preferably provided in a central region of the container bottom.
• the substances may be traceable, after being processed by the sprockets, into a container inlet opening in the region of the container wall into the container.
• the substances are preferably conducted from a central region through the intermediate space into a peripheral region of the toothed rings.
• the distance between the sprockets via at least one displaceably mounted shaft is adjustable.
• the shafts of the sprockets are preferably drivable by separate drive units and can be operated in particular preferably in synchronism or in the opposite direction.
• the sprockets are coaxially conical.
• At least one of the shafts of the device according to the invention may optionally but not necessarily be designed as a hollow shaft through which a further substance can be introduced into the processing unit.
• a conveying vane-having inducer which is arranged upstream of the sprockets, is preferably provided in the processing unit.
• the inducer acts as a means to promote the substances to be homogenized under a controllable pressure in the direction of the sprockets.
• the inducer acts as a pump means for effective delivery of the substances to be homogenized.
• the mixing conveyor blade is provided in the processing unit, which is also arranged upstream of the sprockets.
• the Mischfördeeriel fulfills the task of mixing powder or liquids of the substance to be homogenized in premixed form and to prevent blended Good is sucked into the container due to a possibly prevailing in the container negative pressure.
• This has the advantage that the additional substances can be supplied in a very precisely dosed manner, with the formation of agglomerates being prevented by way of thorough mixing.
• the mixing conveyor wing is formed substantially like a conventional propeller with low-set blade elements, wherein a blade member is arranged inclined at an angle of about 5 ° to 10 ° with respect to a plane of rotation.
• a leaf element preferably covers an angular range of about 30 ° to 70 °, in particular 50 °.
• two leaf elements are arranged in mutually different planes of rotation.
• Fig. 1 shows a preferred embodiment of the device according to the invention in a cross-sectional view.
• Fig. 2 the mixing conveyor wing of the device according to the invention in a plan view, seen from the plane of the central axis of the container in the direction of the Inducer.
• FIG 3 shows a schematic cross-sectional view of a batch of substances mixed by the mixing blade of the device according to the invention, in which the shaft of the mixing conveyor blade is aligned perpendicular to the central axis of the container.
• Fig. 4 is a schematic cross-sectional view of a morphology and velocity profile of a batch of substances mixed by a mixing conveyor blade of a prior art device in which the shaft of the mixing conveyor blade is coaxial aligned with the central axis of the container.
• FIG. 5 is a partial view of the preferred embodiment of the invention shown in Figure 1 in a cross-sectional view, wherein the second ring gear of the rotor II is disposed radially behind the first ring gear of the rotor I.
• FIG. 6 is a partial view of the preferred embodiment of the invention shown in Figure 1 in another cross-sectional view, wherein the second ring gear of the rotor II is disposed radially behind the first ring gear of the rotor I.
• FIG. 7 shows a partial view of the preferred embodiment of the invention shown in FIG. 1 in a cross-sectional view, wherein the second toothed rim of the rotor II is arranged outside the conveying path of the flowable substance conveyed by the first toothed rim of the rotor I.
• FIG. 8 shows a partial view of the preferred embodiment of the invention shown in FIG. 1 in another cross-sectional view, wherein the second toothed rim of the rotor II is arranged outside the conveying path of the flowable substance conveyed by the first toothed rim of the rotor I.
• the homogenizer device 100 for dispersing and / or homogenizing flowable substances shown in FIGS. 1 to 8 contains a container (110) with an inlet opening for introducing the substances to be homogenized, wherein in a central region of the bottom of the container (110) Container outlet opening (111) for feeding the substances into one provided below the bottom processing unit (120) is provided.
• the processing unit (120) comprises two independently rotatably mounted, concentrically arranged, circular-shaped sprockets (130, 140), which are separated by a predetermined gap, wherein a first sprocket (130) and a second sprocket
• the sprockets (130, 140) are part of the compact processing unit
• a mixing conveyor blade comprising a plurality of sheet elements for mixing the substances to be homogenized with at least one powdery substance and for deflecting the conveying path of the substance mixture by 90 ° in the direction of the processing unit decentering the vertical container axis, wherein the Rotation axis of the mixing conveyor wing is also arranged perpendicular to the conveying direction of the outlet opening leaving substances.
• the second sprocket (140) is slidably mounted in the direction of its central axis such that it can be transferred from a first position in which it is arranged radially behind the first sprocket (130) in a second position in which he outside of the conveying path from the first sprocket (130) funded flowable Substance is arranged.
• the sprockets (130, 140) are each driven by a perpendicular to the central axis of the container (110) and horizontal shaft (131, 141). The substance or substances are guided from a central region (150) through the intermediate space into a peripheral region (160) of the sprockets (130, 140).
• the substances After being processed by the sprockets (130, 140), the substances can be returned to a container inlet opening (180) in the region of the container bottom into the container (110) which is provided in a central region of the container bottom.
• the shafts (131, 141) of the toothed rings (130, 140) can be driven by separate drive units (190), and in particular can be driven in synchronism or in opposite direction.
• the distance between the coaxially conically shaped sprockets (130, 140) is adjustable via at least one displaceably mounted shaft (131).
• an inducer is provided, which is arranged upstream of the sprockets (130, 140).
• a mixing conveyor blade is also provided in the conveying path of the substances to be homogenized in the processing unit, which is arranged upstream of the toothed rings (130, 140).
• a Misch wayeriel is designed substantially as a conventional propeller with low-salary blade elements, wherein a blade element inclined at an angle of about 7 ° with respect to a plane of rotation is arranged.
• a leaf element covers an angular range of about 45 °.
• two leaf elements of the Misch bonneeriels are arranged in mutually different planes of rotation.

Landscapes

• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Mixers Of The Rotary Stirring Type (AREA)
• Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
• Brushes (AREA)
• Walking Sticks, Umbrellas, And Fans (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

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Family Applications (1)

Country Status (7)

Families Citing this family (6)

Family Cites Families (27)

• 2006
  • 2006-06-03 DE DE202006008820U patent/DE202006008820U1/de not_active Expired - Lifetime
• 2007
  • 2007-06-02 AT AT07764353T patent/ATE460976T1/de active
  • 2007-06-02 EP EP07764353A patent/EP2035126B1/fr active Active
  • 2007-06-02 PL PL07764353T patent/PL2035126T3/pl unknown
  • 2007-06-02 JP JP2009516872A patent/JP2009539609A/ja active Pending
  • 2007-06-02 DE DE502007003167T patent/DE502007003167D1/de active Active
  • 2007-06-02 WO PCT/DE2007/001008 patent/WO2007140764A1/fr active Search and Examination
  • 2007-06-02 US US12/227,910 patent/US8215824B2/en active Active
  • 2007-09-13 DE DE102007025832.3A patent/DE102007025832B4/de not_active Expired - Fee Related

Non-Patent Citations (1)

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