US2965362A - Device for mixing and homogenizing - Google Patents

Device for mixing and homogenizing Download PDF

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US2965362A
US2965362A US772393A US77239358A US2965362A US 2965362 A US2965362 A US 2965362A US 772393 A US772393 A US 772393A US 77239358 A US77239358 A US 77239358A US 2965362 A US2965362 A US 2965362A
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liquid
diffuser
mixing
inlet
core
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Flottmann Friedrich Heinrich
Heinrich Otho
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Ingenieurburo Dipl-Ing Friedrich Heinrich Flottmann
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Ingbuero Dipl Ing Friedrich He
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    • 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
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • 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
    • 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
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40—Mixing liquids with liquids; Emulsifying
    • B01F23/43—Mixing liquids with liquids; Emulsifying using driven stirrers
    • 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
    • B01F25/3121—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • 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
    • B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
    • B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
    • 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
    • B01F25/44—Mixers in which the components are pressed through slits
    • B01F25/441—Mixers in which the components are pressed through slits characterised by the configuration of the surfaces forming the slits
    • B01F25/4413—Mixers in which the components are pressed through slits characterised by the configuration of the surfaces forming the slits the slits being formed between opposed conical or cylindrical surfaces
    • 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
    • B01F25/44—Mixers in which the components are pressed through slits
    • B01F25/442—Mixers in which the components are pressed through slits characterised by the relative position of the surfaces during operation
    • B01F25/4422—Mixers in which the components are pressed through slits characterised by the relative position of the surfaces during operation the surfaces being maintained in a fixed but adjustable position, spaced from each other, therefore allowing the slit spacing to be varied
    • 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
    • B01F25/46—Homogenising or emulsifying nozzles
    • 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
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B01F27/2723—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces the surfaces having a conical shape
    • 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
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • 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
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
    • 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
    • B01F35/75—Discharge mechanisms
    • B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
    • B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
    • B01F35/75471—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings being adjustable
    • 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
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/834—Mixing in several steps, e.g. successive steps
    • 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

  • Fig. 3 is a section taken along the line III-III of Fig. 1 and likewise on a larger scale than that of Fig. 1 shows a view of the striking mechanism with the striking projections pertaining thereto.
  • Fig. 4 is a section taken along the line IVIV of Fig. l and on a larger scale than the latter illustrates a view of a ring provided with inwardly extending cams for cooperation with the striking projections of the striking mechanism shown in Fig. 3.
  • the mixing and homogenizing device according to the present invention which, while not being limited to, is particularly suitable for the production of oil-water emulsions. It is characterized primarily in that the driving jet for injecting the pressure fluid and drawing in the medium to be admixed is followed by a diffuser which in its turn is followed by a homogenizing device in form of a rotatable striking mechanism.
  • the combination and arrangement of these parts in the manner outlined makes it possible to produce a stable adjustable homogenous liquid the composition of which may be varied in conformity with the desired purpose for which the mixture is to be used.
  • the diffuser is provided with a stationary core which together with a cylindrical part extends into the bore of the driving jet and with the latter forms an annular passage or clearance.
  • a stationary core which together with a cylindrical part extends into the bore of the driving jet and with the latter forms an annular passage or clearance.
  • a further important feature of the arrangement according to the present invention consists in that the proportion of the fluids to be intermixed can be varied. This may be accomplished in accordance with the present invention by arranging the driving jet adjustable in longitudinal direction and providing the same with adjusting means therefor so as to be able to vary the ring slot nozzle or annular narrow passage for drawing in the additional liquid. From the above, it will be evident that the core of the diffuser expediently has first a cylindrical cross section and subsequently an increasing cross section in the direction of flow similar to the diffuser, so that the conical portion of the diffuser core forms a truncated cone substantially coextensive with the inner wall of the diffuser.
  • the mixing and homogenizing device comprises a housing 1 having a bore 2 for admitting fluid under pressure.
  • a driving nozzle 3 Arranged in housing 1 is a driving nozzle 3 with a bore 5a in longitudinal direction of the nozzle 3.
  • the nozzle 3 furthermore comprises transverse bores 4 communicating with an annular chamber 5 extending around nozzle 3 and communicating with the pressure fluid inlet bore 2.
  • a diffuser core 6 provided with a cylindrical portion or extension 7 has the latter extend into the front end of the longitudinal bore 5a so as to form with bore 5a an annular passage 8.
  • Cylindrical extension 7 has its front end provided with a rib-like guiding head 29 by means of which the diffuser core 6 rests in the driving nozzle.
  • nozzle 3 The front end of nozzle 3 is cone-shaped so as to form with the mouth 9 of a diffuser 10 an annular narrow passage 11. This passage 11 may be varied by longitudinally displacing the driving nozzle 3. This may be effected by means of a nut 12 provided with a dial 12 and connected to nozzle 3.
  • the outer pornon of the conical diffuser core part is provided with longitudinal and/or transverse ribs or grooves. These longitudinal ribs or grooves are designated with the reference numeral 13, whereas the transverse grooves or ribs are designated with the reference numeral 14.
  • the fluid mixture for producing a stable emulsion of a long life has to pass through a homogenizing device.
  • the surface of the homogenizing device upon which the fluid 'acts corresponds to the free annular cross section formed by the inner diffuser wall and the surface of the diffuser core.
  • the fluid mixture leaving the said annular cross section actuates a driving wheel which drives the homogenizing device comprising a rotatable striking mechanism.
  • the mean diameter of said driving wheel corresponds substantially to the mean end diameter of the annular cross section of the diffuser.
  • the bearing surfaces of the rotatable part of the striking mechanism communicate through bores with the annular cross section of the diffuser.
  • the cross section of the annular passage 15 around the diffuser core leads to a guide wheel or guiding apparatus 16.
  • a turbine wheel 17 provided with a striking mechanism 18, which may be integral with the turbine wheel 17, is rotatably journalled on a stationary shaft 19 which may be connected to the diffuser core or form an integral part thereof.
  • bores 20, 21, 22 are provided which lead to an annular chamber 23. From here the emulsion distribute's itself over the running surfaces.
  • the striking mechanism 18 is provided with outwardly extending projections 18' which in cooperation with inwardly extending projections 32 of a plurality of rings 30, which are superimposed upon each other, will assure a thorough intermixing of the substances forming the respective mix- 'ture.
  • the arrangement furthermore comprises a ring 31 carrying one of the two bearings for the striking mechanism 18 and also comprises a cap 24 with a bore 25 fordischarging the emulsion.
  • Pressure fluid intended as part of the emulsion to be produced enters the device according to the invention through bore 2 and passes through annular chamber 5, 'and transverse bores 4 into the longitudinal bore 5a from where the fluid passes into the annular passage 8; Inasmuch as the path of the fluid has its narrowest cross section in said annular passage 8, it will be obvious that the fluid will have its highest speed in this passage.
  • the pressure fluid thus leaves the annular passage 8 at a very high speed with the result that a pressure below atmospheric pressure will be created in the annular chamber 26. Due to this sub-atmospheric pressure, the second liquid to be admixed to and intermixed with the pressure fluid admitted through the bore 2 will be drawn in through bore 27. The two liquids meet in the annular chamber 28.
  • the mixing ratio or proportion may be varied by displacing nozzle 3 in longitudinal direction thereof by means of the adjusting screw 12 thereby increasing or decreasing the ring slot passage 11.
  • the mixture then passes through the annular chamber 15 formed by the inner conical wall of diffuser 1'0 and the outer surface of diifusor core 6. From said annular chamber 15, the mixture flows to the guiding apparatus 16 by means of which the liquid is conveyed to the turbine wheel 17.
  • the turbine wheel will then due to the energy of the fluid acting upon said turbine wheel rotate and -at the same time actuate the striker mechanism 18.
  • This striker mechanism will .split the drops of the 4 liquid mixture to such an extent and so fine that a homogeneous liquid will result which then is discharged through bore 25.
  • a housing having a first inlet for admitting liquid under pressure forming a first component of the liquid mixture to be produced, and also having a second inlet for admitting a second liquid forming a second component of the liquid mixture to be produced; an ejector nozzle having a discharge mouth and also having a longitudinal bore communicating with said first inlet and leading to said discharge month; said housing having a cylindrical chamber with a discharge outlet forming a narrow annular passage surrounding the discharge mouth of said nozzle and communicating with said second inlet; a diffuser having a stationary core comprising a cylindrical portion extending into saidlongitudinal bore of said nozzle and defining with said longitudinal bore an annular passage, said diffuser also comprising a tubular portion surrounding said diffuser core in spaced relationship thereto so as to define therewith annular passage means having an inlet portion and an outlet portion, said inlet portion being adjacent to said narrow passage and said nozzle mouth to receive liquid from both said cylindrical chamber and said nozzle mouth for inter
  • a housing having a first inlet for admitting liquid under pressure forming a first component of the liquid mixture to be produced, and also having a second inlet for admitting a second liquid forming 'a second component of the liquid mixture to be produced;
  • a jet having a discharge mouth and also having a longitudinal bore communicating with said first inlet :and lead mg to said discharge mouth;
  • said housing having a cylindrical chamber adjacent to the discharge mouth of said jet and communicating with said second inlet;
  • a diffuser having a stationary core comprising a cylindrical portion extending into said longitudinal bore of said jet and defining with said longitudinal bore an annular passage, said stationary core also comprising a cone-shaped portion connected to said cylindrical portion and increasing in diameter away from said cylindrical portion;
  • said diffuser also comprising a tubular portion surrounding said diffuser core in spaced relationship thereto so as to define therewith annular passage means having an inlet portion and an outlet portion; said tubular portion forming with the outer wall of said discharge mouth a tapering annular
  • a mixing and homogenizing device in which the inner wall of the tubular portion conforms in shape to the outer contour of said core so as to define therewith annular cone-shaped passage means.
  • a mixing and homogenizing device in which the cone-shaped portion of said stationary core is provided with transverse ribs.
  • a mixing and homogenizing device in which the cone-shaped portion of said stationary core is provided with transverse grooves.
  • a housing having a first inlet for admitting liquid under pressure forming a first component of the liquid mixture to be produced, and also having a second inlet for admitting a second liquid forming a second component of the liquid mixture to be produced; an ejector nozzle having a discharge mouth and also having a longitudinal bore communicating with said first inlet and leading to said discharge mouth; said housing having a cylindrical chamber with a discharge outlet forming a narrow annular passage surrounding the discharge mouth of said ejector nozzle and communicating with said second inlet; a diffuser having a stationary core comprising a cylindrical portion extending into said longitudinal bore of said ejector nozzle and defining with said longitudinal bore an annular passage, said difiuser also comprising a tubular portion surrounding said difluser core in spaced relationship thereto so as to define therewith annular passage means having an inlet portion and an outlet portion, said inlet portion being adjacent to said narrow passage and said ejector nozzle mouth to receive
  • a housing having a first inlet for admitting liquid under pressure forming a first component of the liquid mixture to be produced, and also having a second inlet for admitting a second liquid forming a second component of the liquid mixture to be produced;
  • a jet having a discharge mouth and also having a longitudinal bore communicating with said first inlet and leading to said discharge mouth; said housing having a cylindrical chamber with a discharge outlet forming a narrow annular passage surrounding the discharge mouth of said jet and communicating with said second inlet;
  • a diffuser having a stationary core comprising a cylindrical portion extending into said longitudinal bore of said jet and defining with said longitudinal bore an annular passage, said diffuser also comprising a tubular portion surrounding said diffuser core in spaced relationship thereto so as to define therewith annular passage means having an inlet portion and an outlet portion, said inlet portion being adjacent to said narrow passage and said jet mouth to receive liquid from both said cylindrical chamber and said jet mouth for intermixing the same; fluid operable actuating means

Description

Dec. 20, 1960 F. H. FLOTTMANN ET AL 2,965,352
DEVICE FOR MIXING AND HOMOGENIZING Filed NOV. 6, 1958 a m 2 Z Z V g p 4 g M 1/ 2 37/ A e ME:
United States Patent DEVICE FOR MIXING AND HOMOGENIZING Friedrich Heinrich Flottmann, Heme, Westphalia, and
0th:) Heinrich, Senne I, Germany, assignors to Ingenieurbiiro DipL-Ing. Friedrich Heinrich Flottmann, Bochum-Riemke, Germany Filed Nov. 6, 1958, Ser. No. 772,393
Claims priority, application Germany Nov. 13, 1957 8 Claims. (Cl. 2598) ther fluid medium. Such devices are generally suitable to a great extent for intermixing liquids. However, if a very intimate inter-mixture is required in which the particle size of the fluid mediums is reduced to such an extent that a stable mixture will be obtained, as required for purposes of homogenizing, injectors or jet pumps of customary design do not sufiice but require additional equipment.
For purposes of obtaining a better swirling motion or turbulence, it has been suggested to equip diffusers of jet pumps with baffie plates. According to another suggestion made heretofore for purposes of increasing and refining the mixing process of the flowing component and of the component to be admixed, two tubular coaxially arranged bodies are provided with a plurality of fine openings. Such devices, however, have the drawback that the rate of flow and the mixing proportion cannot be varied.
There is also known a device in which such variation of the rate of flow and of the mixing proportion is possible. According to this device, slots are provided in telescopically superimposed tubes which can be adjusted so as to overlap to a variable extent. 'ment, however, does not allow the mixing proportion to This type of adjustbe maintained constant. The heretofore known mixing :devices mentioned above have the drawback that they cannot bring about a very intimate mixture nor an auto- 'matic control or adjustment of the mixing proportion.
It is, therefore, an object of the present invention to .provide a mixing and homogenizing device which will .overcome the above mentioned drawbacks.
It is another object of this invention to provide an improved mixing and homogenizing device which will .make it possible to produce a stable homogeneous liquid .the composition of which is variable in conformity with .the desired purpose of the liquid.
It is also an object of this invention to provide a mixing and homogenizing device which will be simple in construction and operation and will be relatively cheap to produce.
. These and other objects and advantages of the invention will appear more clearly from the following specification in connection with the accompanying drawing, in
. and illustrates in view on a larger scale than that of Fig. 1 "a bearing ring for the striking mechanism.
Fig. 3 is a section taken along the line III-III of Fig. 1 and likewise on a larger scale than that of Fig. 1 shows a view of the striking mechanism with the striking projections pertaining thereto.
Fig. 4 is a section taken along the line IVIV of Fig. l and on a larger scale than the latter illustrates a view of a ring provided with inwardly extending cams for cooperation with the striking projections of the striking mechanism shown in Fig. 3.
General arrangement The mixing and homogenizing device according to the present invention which, while not being limited to, is particularly suitable for the production of oil-water emulsions. It is characterized primarily in that the driving jet for injecting the pressure fluid and drawing in the medium to be admixed is followed by a diffuser which in its turn is followed by a homogenizing device in form of a rotatable striking mechanism. The combination and arrangement of these parts in the manner outlined makes it possible to produce a stable adjustable homogenous liquid the composition of which may be varied in conformity with the desired purpose for which the mixture is to be used.
According to a further development of the invention, the diffuser is provided with a stationary core which together with a cylindrical part extends into the bore of the driving jet and with the latter forms an annular passage or clearance. Such an arrangement eliminates that part of the jet in the diffuser which otherwise would pass freely to the core and which does not mix very well with the drawin-in fluid medium. The cylindrical portion of the diffuser core is provided with a riblike guiding head by means of which said cylindrical part of the diffuser core is journalled in the driving jet and allows the passage of the fluid medium.
A further important feature of the arrangement according to the present invention consists in that the proportion of the fluids to be intermixed can be varied. This may be accomplished in accordance with the present invention by arranging the driving jet adjustable in longitudinal direction and providing the same with adjusting means therefor so as to be able to vary the ring slot nozzle or annular narrow passage for drawing in the additional liquid. From the above, it will be evident that the core of the diffuser expediently has first a cylindrical cross section and subsequently an increasing cross section in the direction of flow similar to the diffuser, so that the conical portion of the diffuser core forms a truncated cone substantially coextensive with the inner wall of the diffuser.
Structural arrangement Referring now to the drawing in detail, the mixing and homogenizing device comprises a housing 1 having a bore 2 for admitting fluid under pressure. Arranged in housing 1 is a driving nozzle 3 with a bore 5a in longitudinal direction of the nozzle 3. The nozzle 3 furthermore comprises transverse bores 4 communicating with an annular chamber 5 extending around nozzle 3 and communicating with the pressure fluid inlet bore 2. A diffuser core 6 provided with a cylindrical portion or extension 7 has the latter extend into the front end of the longitudinal bore 5a so as to form with bore 5a an annular passage 8. Cylindrical extension 7 has its front end provided with a rib-like guiding head 29 by means of which the diffuser core 6 rests in the driving nozzle. The front end of nozzle 3 is cone-shaped so as to form with the mouth 9 of a diffuser 10 an annular narrow passage 11. This passage 11 may be varied by longitudinally displacing the driving nozzle 3. This may be effected by means of a nut 12 provided with a dial 12 and connected to nozzle 3.
For purposes of improving turbulence, the outer pornon of the conical diffuser core part is provided with longitudinal and/or transverse ribs or grooves. These longitudinal ribs or grooves are designated with the reference numeral 13, whereas the transverse grooves or ribs are designated with the reference numeral 14.
It has been found that the fluid mixture for producing a stable emulsion of a long life has to pass through a homogenizing device. Expediently, the surface of the homogenizing device upon which the fluid 'acts corresponds to the free annular cross section formed by the inner diffuser wall and the surface of the diffuser core. The fluid mixture leaving the said annular cross section actuates a driving wheel which drives the homogenizing device comprising a rotatable striking mechanism. In further development of the present invention, the mean diameter of said driving wheel corresponds substantially to the mean end diameter of the annular cross section of the diffuser. For purposes of lubricating the homogeni'zin'g device, the bearing surfaces of the rotatable part of the striking mechanism communicate through bores with the annular cross section of the diffuser.
Specifically referring again to the drawing, the cross section of the annular passage 15 around the diffuser core leads to a guide wheel or guiding apparatus 16. A turbine wheel 17 provided with a striking mechanism 18, which may be integral with the turbine wheel 17, is rotatably journalled on a stationary shaft 19 which may be connected to the diffuser core or form an integral part thereof. For purposes of lubricating the rotatable body composed of the turbine wheel and the striking mechanism 18, bores 20, 21, 22 are provided which lead to an annular chamber 23. From here the emulsion distribute's itself over the running surfaces. The striking mechanism 18 is provided with outwardly extending projections 18' which in cooperation with inwardly extending projections 32 of a plurality of rings 30, which are superimposed upon each other, will assure a thorough intermixing of the substances forming the respective mix- 'ture. The arrangement furthermore comprises a ring 31 carrying one of the two bearings for the striking mechanism 18 and also comprises a cap 24 with a bore 25 fordischarging the emulsion.
Operation The operation of the device according to the present invention is as follows:
Pressure fluid intended as part of the emulsion to be produced enters the device according to the invention through bore 2 and passes through annular chamber 5, 'and transverse bores 4 into the longitudinal bore 5a from where the fluid passes into the annular passage 8; Inasmuch as the path of the fluid has its narrowest cross section in said annular passage 8, it will be obvious that the fluid will have its highest speed in this passage. The pressure fluid thus leaves the annular passage 8 at a very high speed with the result that a pressure below atmospheric pressure will be created in the annular chamber 26. Due to this sub-atmospheric pressure, the second liquid to be admixed to and intermixed with the pressure fluid admitted through the bore 2 will be drawn in through bore 27. The two liquids meet in the annular chamber 28. The mixing ratio or proportion may be varied by displacing nozzle 3 in longitudinal direction thereof by means of the adjusting screw 12 thereby increasing or decreasing the ring slot passage 11. The mixture then passes through the annular chamber 15 formed by the inner conical wall of diffuser 1'0 and the outer surface of diifusor core 6. From said annular chamber 15, the mixture flows to the guiding apparatus 16 by means of which the liquid is conveyed to the turbine wheel 17. The turbine wheel will then due to the energy of the fluid acting upon said turbine wheel rotate and -at the same time actuate the striker mechanism 18. This striker mechanism will .split the drops of the 4 liquid mixture to such an extent and so fine that a homogeneous liquid will result which then is discharged through bore 25.
It is, of course, to be understood that the present invention is, by no means, limited to the construction shown in the drawing but also comprises any modifications within the scope of the appended claims.
What we claim is:
1. In combination in a device for mixing and homogenizing liquids: a housing having a first inlet for admitting liquid under pressure forming a first component of the liquid mixture to be produced, and also having a second inlet for admitting a second liquid forming a second component of the liquid mixture to be produced; an ejector nozzle having a discharge mouth and also having a longitudinal bore communicating with said first inlet and leading to said discharge month; said housing having a cylindrical chamber with a discharge outlet forming a narrow annular passage surrounding the discharge mouth of said nozzle and communicating with said second inlet; a diffuser having a stationary core comprising a cylindrical portion extending into saidlongitudinal bore of said nozzle and defining with said longitudinal bore an annular passage, said diffuser also comprising a tubular portion surrounding said diffuser core in spaced relationship thereto so as to define therewith annular passage means having an inlet portion and an outlet portion, said inlet portion being adjacent to said narrow passage and said nozzle mouth to receive liquid from both said cylindrical chamber and said nozzle mouth for intermixing the same; fluid operable actuating means arranged adjacent said diffuser outlet and operabie by the liquid leaving said outlet and a striking mechanism including a rotatable striking member idrivingly connected to said fluid operable actuating means and adapted to receive intermixed liquid from said fluid operable actuating means for splitting up the liquid particles of said intermixed liquid; said striking mechanism also including a discharge for discharging the liquid intimately intermixed thereby. I
2. In combination in a device for mixing and Khomogenizing liquids: a housing having a first inlet for admitting liquid under pressure forming a first component of the liquid mixture to be produced, and also having a second inlet for admitting a second liquid forming 'a second component of the liquid mixture to be produced; a jet having a discharge mouth and also having a longitudinal bore communicating with said first inlet :and lead mg to said discharge mouth; said housing having a cylindrical chamber adjacent to the discharge mouth of said jet and communicating with said second inlet; a diffuser having a stationary core comprising a cylindrical portion extending into said longitudinal bore of said jet and defining with said longitudinal bore an annular passage, said stationary core also comprising a cone-shaped portion connected to said cylindrical portion and increasing in diameter away from said cylindrical portion; said diffuser also comprising a tubular portion surrounding said diffuser core in spaced relationship thereto so as to define therewith annular passage means having an inlet portion and an outlet portion; said tubular portion forming with the outer wall of said discharge mouth a tapering annular passage com- "municating with said cylindrical chamber and tapering toward the passage means between said tubular portion and said stationary core; said jet being adjustable relative to said tubular portion to thereby vary 'the'narrowes't cross section of said annular tapering passage; said inlet portion of the annular passage means of 'said dIffuser being adjacent to said tapering annular passage and said jet mouth to receive liquid from both said tapering annular passage and said jet mouth for intermixing said liquids; fluid operable actuating means arranged adjacent said outlet portion and operable by the liquid received from said outlet portion, and a striking mechanism including a rotatable striking member drivingly connected to said fluid operable actuating means and adapted to receive intermixed liquid from said diffuser for splitting up the liquid particles of said intermixed liquid; said striking mechanism also including a discharge for discharging the liquid intimately intermixed thereby.
3. A mixing and homogenizing device according to claim 2, in which the inner wall of the tubular portion conforms in shape to the outer contour of said core so as to define therewith annular cone-shaped passage means.
4. A mixing and homogenizing device according to claim 2, in which the cone-shaped portion of said stationary core is provided with transverse ribs.
5. A mixing and homogenizing device according to claim 2, in which the cone-shaped portion of said stationary core is provided with transverse grooves.
6. In combination in a device for mixing and homogenizing liquids: a housing having a first inlet for admitting liquid under pressure forming a first component of the liquid mixture to be produced, and also having a second inlet for admitting a second liquid forming a second component of the liquid mixture to be produced; an ejector nozzle having a discharge mouth and also having a longitudinal bore communicating with said first inlet and leading to said discharge mouth; said housing having a cylindrical chamber with a discharge outlet forming a narrow annular passage surrounding the discharge mouth of said ejector nozzle and communicating with said second inlet; a diffuser having a stationary core comprising a cylindrical portion extending into said longitudinal bore of said ejector nozzle and defining with said longitudinal bore an annular passage, said difiuser also comprising a tubular portion surrounding said difluser core in spaced relationship thereto so as to define therewith annular passage means having an inlet portion and an outlet portion, said inlet portion being adjacent to said narrow passage and said ejector nozzle mouth to receive liquid from both said cylindrical chamber and said ejector nozzle mouth for intermixing the same; turbine means including a guiding apparatus therefor arranged adjacent said outlet portion, said turbine means being operable by the liquid received by said guiding apparatus from said outlet portion and passing through said guiding apparatus into said turbine means and a striking mechanism including a rotatable striking member rotatably connected to said turbine and adapted to receive intermixed liquid from said turbine means for splitting up the liquid particles of said intermixed liquid; the surface of said rotatable striking member to be acted upon by the intermixed liquid received from said turbine means corresponding to the area defined by the outer surface portion of the diffuser core adjacent said striking member and by the inner surface portion of the 6 tubular diffuser portion adjacent said rotatable striking member; said striking mechanism also including a discharge for discharging the liquid intimately intermixed thereby.
7. In combination in a device for mixing and homogenizing liquids: a housing having a first inlet for admitting liquid under pressure forming a first component of the liquid mixture to be produced, and also having a second inlet for admitting a second liquid forming a second component of the liquid mixture to be produced; a jet having a discharge mouth and also having a longitudinal bore communicating with said first inlet and leading to said discharge mouth; said housing having a cylindrical chamber with a discharge outlet forming a narrow annular passage surrounding the discharge mouth of said jet and communicating with said second inlet; a diffuser having a stationary core comprising a cylindrical portion extending into said longitudinal bore of said jet and defining with said longitudinal bore an annular passage, said diffuser also comprising a tubular portion surrounding said diffuser core in spaced relationship thereto so as to define therewith annular passage means having an inlet portion and an outlet portion, said inlet portion being adjacent to said narrow passage and said jet mouth to receive liquid from both said cylindrical chamber and said jet mouth for intermixing the same; fluid operable actuating means arranged adjacent said outlet portion and operable by the liquid received from said outlet portion, and a striking mechanism including a rotatable driven wheel drivenly connected to said fluid operable actuating means and adapted to receive intermixed liquid from said fluid operable actuating means; said striking mechanism also including a rotatable striking member connected to said driven wheel for rotation thereby and operable in response to its rotation to split up the liquid particles of said intermixed liquid; said striking mechanism furthermore including a discharge for discharging the liquid intimately intermixed thereby.
8. A mix.ng and homogenizing device according to claim 7, in which the mean diameter of the driven wheel corresponds substantially to the mean end diameter of the cross section of said annular passage means adjacent said driven wheel.
References Cited in the file of this patent UNITED STATES PATENTS 1,111,689 Dolan Sept. 22, 1914 1,496,858 Knollenberg June 10, 1924 1,668,136 Agthe May 1, 1928 2,044,332 Rowland June 16, 1936 2,180,993 Monnier Nov. 21, 1939 2,706,108 Miner Apr. 12, 1955 FOREIGN PATENTS 399,014 Great Britain Sept. 28, 1933
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US3256181A (en) * 1962-05-09 1966-06-14 Dow Chemical Co Method of mixing a pumpable liquid and particulate material
US3326536A (en) * 1962-05-09 1967-06-20 Dow Chemical Co Mixing apparatus
US3353270A (en) * 1964-02-01 1967-11-21 Simon Freres Machine for the continuous production of salt butter
DE1258835B (en) * 1964-08-28 1968-01-18 James R Lage Dr Mixing device
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US3471131A (en) * 1965-07-26 1969-10-07 Wacker Chemie Gmbh Continuous mixing apparatus
US3671019A (en) * 1970-12-10 1972-06-20 Rietz Mfg Co Apparatus for material fluffing
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JPS5124157B1 (en) * 1970-01-30 1976-07-22
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US5450368A (en) * 1993-12-28 1995-09-12 Three Bond Co., Ltd. Two liquid type mixer
US5791778A (en) * 1994-01-25 1998-08-11 A. Ahlstrom Corporation Method and apparatus for mixing gaseous chemical to fiber suspension
US6110432A (en) * 1998-06-04 2000-08-29 Southwick; Kenneth J. Collider chamber apparatus and method of use of same
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WO2005081709A2 (en) * 2004-02-17 2005-09-09 Fuelcell Energy, Inc. Mixer/eductor for high temperature fuel cells
US20080267005A1 (en) * 2007-04-24 2008-10-30 Tyco Healthcare Group Lp Applicator system and method of use
US20080291774A1 (en) * 2006-09-12 2008-11-27 Vosschemie Gmbh System of devices for the production of a ready-to-use filler by mixing together a binder and hardener component
US20080298167A1 (en) * 2007-05-31 2008-12-04 Vosschemie Gmbh Device for manufacturing ready-to-use knifing filler by mixing a binder and hardener component
US20090016150A1 (en) * 2007-07-13 2009-01-15 Emile Mimran Ice cream and topping mixing attachment
US20100265786A1 (en) * 2009-04-16 2010-10-21 Hitachi Plant Technologies, Ltd. Fluid mixer
US20110032791A1 (en) * 2008-04-03 2011-02-10 Umicore Ag & Co. Kg Stirring system and method for homogenizing glass melts
US20110149676A1 (en) * 2009-10-09 2011-06-23 Southwick Kenneth J Methods of and Systems for Introducing Acoustic Energy into a Fluid in a Collider Chamber Apparatus
US20130037973A1 (en) * 2011-08-09 2013-02-14 Oscar Lavaque Variable pressure device for solubilizing carbon dioxide in a beverage
RU2527080C2 (en) * 2012-08-13 2014-08-27 Государственное бюдджетное образовательное учреждение высшего профессионального образования "Кировская государственная медицинская академия" Министерства здравоохранения Российской Федерации (ГБОУ ВПО Кировская ГМА Минздрава России), Vg vokhmyanin's method and device for mixing of liquid components or gases
RU2550203C2 (en) * 2012-12-10 2015-05-10 Юрий Валентинович Воробьев Combined universal static mixer-activator
US10391460B2 (en) * 2014-10-03 2019-08-27 Asahi Yukizai Corporation Fluid mixer and apparatus using fluid mixer
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US3256181A (en) * 1962-05-09 1966-06-14 Dow Chemical Co Method of mixing a pumpable liquid and particulate material
US3326536A (en) * 1962-05-09 1967-06-20 Dow Chemical Co Mixing apparatus
US3353270A (en) * 1964-02-01 1967-11-21 Simon Freres Machine for the continuous production of salt butter
DE1258835B (en) * 1964-08-28 1968-01-18 James R Lage Dr Mixing device
US3471131A (en) * 1965-07-26 1969-10-07 Wacker Chemie Gmbh Continuous mixing apparatus
US3417970A (en) * 1967-11-13 1968-12-24 Ethyl Corp Method and apparatus for interfusing thermoplastic material
JPS5124157B1 (en) * 1970-01-30 1976-07-22
US3671019A (en) * 1970-12-10 1972-06-20 Rietz Mfg Co Apparatus for material fluffing
US3940115A (en) * 1971-08-06 1976-02-24 Manfred Zipperer Emulsifying and dispersing apparatus
JPS5062769U (en) * 1973-10-04 1975-06-07
US4026817A (en) * 1974-07-04 1977-05-31 Snam Progetti S.P.A. Method for the preparation in a continuous way of water/oil emulsions and apparatus suitable therefor
US4239396A (en) * 1979-01-25 1980-12-16 Condor Engineering & Manufacturing, Inc. Method and apparatus for blending liquids and solids
US5450368A (en) * 1993-12-28 1995-09-12 Three Bond Co., Ltd. Two liquid type mixer
US5791778A (en) * 1994-01-25 1998-08-11 A. Ahlstrom Corporation Method and apparatus for mixing gaseous chemical to fiber suspension
US6110432A (en) * 1998-06-04 2000-08-29 Southwick; Kenneth J. Collider chamber apparatus and method of use of same
US6855299B1 (en) 1998-06-04 2005-02-15 Kenneth J. Southwick Collider chamber apparatus and method of use of same
US20050158872A1 (en) * 1998-06-04 2005-07-21 Southwick Kenneth J. Collider chamber apparatus and method of use of same
US7744826B2 (en) 1998-06-04 2010-06-29 Transkinetic Energy Corporation Collider chamber apparatus and method of use of same
US20080233014A1 (en) * 1998-06-04 2008-09-25 Southwick Kenneth J Collider Chamber Apparatus and Method of Use of Same
US7393695B2 (en) 1998-06-04 2008-07-01 Transkinetics Corporation Collider chamber apparatus and method of use of same
US6200014B1 (en) * 1998-12-31 2001-03-13 Cortana Corporation Method and apparatus for mixing high molecular weight materials with liquids
US6648500B2 (en) * 1999-04-13 2003-11-18 International Process Equipment And Technology, Inc. Rotary pulsation device
US20040257910A1 (en) * 1999-04-13 2004-12-23 International Process Equipment And Technology, Inc. Multiple stator rotary pulsation device
JP2007519204A (en) * 2004-02-17 2007-07-12 フュエルセル　エナジー，　インコーポレイテッド Mixer / eductor for high temperature fuel cells
WO2005081709A3 (en) * 2004-02-17 2006-04-27 Fuelcell Energy Inc Mixer/eductor for high temperature fuel cells
WO2005081709A2 (en) * 2004-02-17 2005-09-09 Fuelcell Energy, Inc. Mixer/eductor for high temperature fuel cells
KR100842987B1 (en) 2004-02-17 2008-07-01 퓨얼 셀 에너지, 인크 Mixer/educator for high temperature fuel cells
US20080291774A1 (en) * 2006-09-12 2008-11-27 Vosschemie Gmbh System of devices for the production of a ready-to-use filler by mixing together a binder and hardener component
US20080267005A1 (en) * 2007-04-24 2008-10-30 Tyco Healthcare Group Lp Applicator system and method of use
US7883262B2 (en) * 2007-05-31 2011-02-08 Vosschemie Gmbh Device for manufacturing ready-to-use knifing filler by mixing a binder and hardener component
US20080298167A1 (en) * 2007-05-31 2008-12-04 Vosschemie Gmbh Device for manufacturing ready-to-use knifing filler by mixing a binder and hardener component
US20090016150A1 (en) * 2007-07-13 2009-01-15 Emile Mimran Ice cream and topping mixing attachment
US8961000B2 (en) * 2008-04-03 2015-02-24 Umicore Ag & Co. Kg Stirring system with interspaced stirring elements and baffles, and method for homogenizing glass melts
US20110032791A1 (en) * 2008-04-03 2011-02-10 Umicore Ag & Co. Kg Stirring system and method for homogenizing glass melts
US8287179B2 (en) * 2009-04-16 2012-10-16 Hitachi Plant Technologies, Ltd. Fluid mixer
US20100265786A1 (en) * 2009-04-16 2010-10-21 Hitachi Plant Technologies, Ltd. Fluid mixer
US20110149676A1 (en) * 2009-10-09 2011-06-23 Southwick Kenneth J Methods of and Systems for Introducing Acoustic Energy into a Fluid in a Collider Chamber Apparatus
US20110149678A1 (en) * 2009-10-09 2011-06-23 Southwick Kenneth J Methods of and Systems for Improving the Operation of Electric Motor Driven Equipment
US20130037973A1 (en) * 2011-08-09 2013-02-14 Oscar Lavaque Variable pressure device for solubilizing carbon dioxide in a beverage
US9622504B2 (en) * 2011-08-09 2017-04-18 Cylzer S.A. Variable pressure device for solubilizing carbon dioxide in a beverage
US9980505B2 (en) 2011-08-09 2018-05-29 Cylzer S.A. Variable pressure device for solubilizing carbon dioxide in a beverage
RU2527080C2 (en) * 2012-08-13 2014-08-27 Государственное бюдджетное образовательное учреждение высшего профессионального образования "Кировская государственная медицинская академия" Министерства здравоохранения Российской Федерации (ГБОУ ВПО Кировская ГМА Минздрава России), Vg vokhmyanin's method and device for mixing of liquid components or gases
RU2550203C2 (en) * 2012-12-10 2015-05-10 Юрий Валентинович Воробьев Combined universal static mixer-activator
US10391460B2 (en) * 2014-10-03 2019-08-27 Asahi Yukizai Corporation Fluid mixer and apparatus using fluid mixer
RU2703600C2 (en) * 2018-04-02 2019-10-21 Анатолий Васильевич Дунаев Method of reducing consumption of liquid hydrocarbon fuel in devices for obtaining heat and mechanical energy

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