WO2003059497A1 - Systeme pour emulsion/dispersion utilisant un module de vide a plusieurs etapes, et procede d'elaboration d'une emulsion/dispersion - Google Patents
Systeme pour emulsion/dispersion utilisant un module de vide a plusieurs etapes, et procede d'elaboration d'une emulsion/dispersion Download PDFInfo
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- WO2003059497A1 WO2003059497A1 PCT/JP2003/000091 JP0300091W WO03059497A1 WO 2003059497 A1 WO2003059497 A1 WO 2003059497A1 JP 0300091 W JP0300091 W JP 0300091W WO 03059497 A1 WO03059497 A1 WO 03059497A1
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- dispersion
- emulsification
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/49—Mixing systems, i.e. flow charts or diagrams
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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
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
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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
- 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
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
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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
- 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
- B01F25/4423—Mixers in which the components are pressed through slits characterised by the relative position of the surfaces during operation the surfaces being part of a valve construction, formed by opposed members in contact, e.g. automatic positioning caused by spring pressure
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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
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/46—Homogenising or emulsifying nozzles
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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
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/60—Pump mixers, i.e. mixing within a pump
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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
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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
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/02—Feed or outlet devices therefor
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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
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
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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
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0436—Operational information
- B01F2215/0468—Numerical pressure values
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/04—Specific aggregation state of one or more of the phases to be mixed
- B01F23/043—Mixing fluids or with fluids in a supercritical state, in supercritical conditions or variable density fluids
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/50—Mixing liquids with solids
- B01F23/56—Mixing liquids with solids by introducing solids in liquids, e.g. dispersing or dissolving
Definitions
- the present invention relates to an apparatus and a method for producing an emulsified dispersion by emulsifying and dispersing a desired material in a base liquid, and more particularly, to an apparatus for emulsifying and dispersing by applying a shear force to a liquid and About the method.
- This type of emulsifying and dispersing apparatus whether of a rotary type or a high pressure type, performs high emulsification and dispersion by applying a high shear force to a liquid.
- a high-pressure homogenizer With a high-pressure homogenizer, the pressure is converted to a jet stream, the force that collides with the wall is reversed, and the kinetic energy of the jet stream is converted into shear energy between liquids to perform emulsification and dispersion. .
- the conventional idea is to input higher energy to achieve further atomization, while preventing back-up by increasing back pressure. Can not be effectively prevented. Disclosure of the invention
- a basic object of the present invention is to provide an emulsification / dispersion apparatus and a method capable of obtaining an emulsified / dispersed product having no air bubbles and causing no deterioration of the product even if present, as a product.
- the basic idea of the present invention is that the origin of the product, that is, the time when the produced dispersion is released to the atmospheric pressure, is set at the origin, and the pressure drop generated at this time does not cause bubbling. It is to be.
- the origin of the idea is located downstream, and it corresponds to various conditions such as input energy on the upstream side.
- the first emulsification / dispersion system comprises a multistage emulsification / dispersion module and a multistage pressure reduction module.
- the multi-stage emulsification / dispersion module is obtained by connecting first to third absorption cells having different inner diameters in series in the axial direction via a seal.
- the inner diameter of the first, second, and third absorption cells is set to D 1. , D 2, D 3, preferably, the relationship of D 2> D 3> D 1 is satisfied, and the inner diameter D s of the seal is D s ⁇ D 2.
- the multi-stage decompression module is connected to the multi-stage emulsification / dispersion module via a communication path.
- This multistage decompression module has a basic structure in which at least two or more stages of decompression cells (decompression members) are connected in the axial direction via a seal (connection member) having an inner diameter larger than the inner diameter of the decompression member.
- This multi-stage decompression module applies the necessary back pressure to the multi-stage emulsifying and dispersing device, and reduces the back pressure one by one in a decompression cell, and the final stage decompression cell. The pressure is reduced to a pressure that does not cause bubbling when the dispersion is released to atmospheric pressure.
- the decompression cell may be of the same size having a predetermined inner diameter, or may have an inner diameter that increases stepwise.
- the seal interposed between the decompression cells has a role of interrupting the decompression action between the front and rear decompression cells.
- the total decompression amount of the multistage decompression module can be considered as the sum of the decompression halo of each decompression cell, and the inner diameter and the number of stages of the decompression cell are set according to the back pressure required for the multistage emulsification dispersion module. be able to.
- each absorption cell forming the passage in the multi-stage emulsification dispersion module, the communication passage, and each decompression cell forming the passage in the multi-stage decompression module are set as passage units, and the multi-stage decompression module is connected from the entrance of the multi-stage emulsification dispersion module.
- the passage diameter to the outlet is constituted by these passage units
- the passage diameter is composed of a combination of at least three passage units having different passage diameters, and the combination is determined according to the following rules .
- Each passage unit has at least three different passage diameters D s , D M , D B (D s
- rule 1) It is not necessary to apply rule 1) on the upstream side of the passage unit with the smallest passage diameter.
- the multi-stage decompression module according to the present invention can be applied to a conventionally used rotary or high-pressure emulsifying and dispersing apparatus.
- the multi-stage decompression module applies the necessary back pressure to the emulsifying and dispersing device to suppress the bubbling in the emulsifying and dispersing device.
- the pressure is reduced to a pressure at which bubbling does not occur even if it is released to the atmosphere.
- the method for producing an emulsified / dispersed material according to the present invention comprises the steps of applying a shear force to a liquid under a predetermined back pressure to perform milk dispersion, and reducing the back pressure in a plurality of stages by a plurality of decompression cells, And finally reducing the pressure to a value that does not cause bubbling even when the pressure is released to the atmospheric pressure.
- emulsifying and dispersing can be achieved while keeping the liquid in a critical state.
- the pressure is increased to a critical pressure or higher and the temperature is increased to or above the critical temperature to bring the state to a critical state.
- the solubility in the material to be emulsified and dispersed is improved, so that the emulsification and dispersibility is further improved.
- a sufficiently high back pressure can be applied so that no bubble occurs in emulsifying and dispersing in a critical state, and the high back pressure is reduced in multiple stages by a multi-stage decompression cell.
- the critical state is eliminated and the liquid phase is formed, but an emulsified dispersion can be obtained without causing bubbling by gradually reducing the pressure while appropriately securing the internal back pressure. be able to.
- a system is constructed starting from the pressure at which publishing does not occur even when released to the atmosphere. Based on this pressure, a multi-stage decompression module is designed to provide the back pressure necessary for the emulsifying and dispersing device, that is, the back pressure necessary to suppress the occurrence of a burp in the device.
- bubbling in the emulsifying / dispersing device can be suppressed, and also bubbling that may occur when the emulsifying / dispersing material is released to the atmosphere at the final stage can be reliably prevented.
- FIG. 1 is a system configuration diagram showing an emulsification / dispersion system according to a first embodiment of the present invention.
- FIG. 2 is an explanatory cross-sectional view in the axial direction of the multistage emulsification / dispersion module 1 of FIG.
- FIG. 3 is an explanatory cross-sectional view for explaining the relationship between the inner diameters of the absorption cells of the multistage emulsification / dispersion module 1.
- FIG. 4 is an explanatory cross-sectional view in the axial direction of the multi-stage decompression module 3 in FIG.
- FIG. 5 is an explanatory cross-sectional view showing an experimental apparatus for verifying the operation of the pressure reducing cell used in the multi-stage pressure reducing module 3.
- FIG. 6 is a graph showing the relationship between the number of decompression cells having an inner diameter of 0.75 mm and the back pressure.
- FIG. 7 is a graph showing the relationship between the number of decompression cells having an inner diameter of 1.0 Omm and the back pressure.
- FIG. 8 is an explanatory cross-sectional view similar to FIG. 3, illustrating an example of an arrangement configuration of the absorption cells.
- FIG. 9 is an explanatory axial sectional view showing a second embodiment of the present invention.
- FIG. 1 ⁇ is a configuration diagram of an emulsification / dispersion system using the emulsification / dispersion unit of FIG.
- FIG. 11 is a system configuration diagram showing a third embodiment of the present invention.
- FIG. 12 is a system configuration diagram showing an example applied to the De BEE 2000 dual type.
- FIG. 13 is a system configuration diagram showing an example applied to a DeBEE2000 reverse type.
- FIG. 14 is a system configuration diagram showing an example applied to an in-line rotary homogenizer.
- FIG. 15 is a system configuration diagram showing an example applied to a Gaulin type homogenizer.
- Figure 16 is a system configuration diagram showing an example of application to a nozzle fixed type high-pressure homogenizer.
- BEST MODE FOR CARRYING OUT THE c invention is
- the present emulsification / dispersion system comprises a multi-stage Niji-Dani ⁇ dispersion controller 1 and a multi-stage decompression module 3 connected downstream of the multi-stage Niji-Dani ⁇ dispersion controller 1 through heat exchange 2. It is basically composed of
- the multi-stage emulsification / dispersion controller 1 is supplied with the milk / spray liquid stored in the material supply tank 5 in a state where the pressure is increased to a high pressure by the high-pressure pump 6.
- the multi-stage emulsification / dispersion controller 1 performs emulsification / dispersion by liquid-liquid shearing using a jet stream, as described in detail later.
- the downstream multistage depressurization module 3 applies a predetermined back pressure to the multistage emulsification / dispersion controller 1 via the heat exchanger 2 to prevent the occurrence of bubbling inside the multistage emulsification / dispersion controller 1.
- Heat exchange 2 suppresses the occurrence of bubbling by cooling the liquid that has become hot due to emulsification / dispersion due to shear force.
- a high temperature is preferable.
- the multi-stage decompression module 3 is directly connected to the multi-stage emulsification / dispersion controller 1 without the intervention of heat exchange 2.
- the liquid in the second supply tank 7 is supplied to the inlet side of the multi-stage decompression module 3 at a predetermined pressure equal to or higher than the back pressure via the supply pump 8 and the supply valve 9 to generate the emulsified liquid. Add the necessary materials to the dispersion.
- the multi-stage decompression module 3 decompresses the pressure (back pressure) of the generated emulsified dispersion in multiple stages, and reduces the pressure to a level at which bubbling does not occur even if the pressure is released to the atmosphere at the outlet.
- the milk dispersion liquid decompressed by the multi-stage decompression module 3 is recovered as a final product or, if necessary, returned to the first supply tank 6 to perform emulsification and dispersion again.
- FIG. 2 shows a specific example of the multistage emulsification and dispersion controller 1.
- the multistage emulsification / dispersion controller 1 is connected to a cylindrical main body 11 and one end of the main body 11 in the axial direction, and pressurizes the liquid pressurized by a high-pressure pump (6 in FIG. 1).
- a screw hole 14 for fastening the outer periphery of the connector 12 is formed on one end side of the main body 11, and a hole 15 having a smaller diameter is formed following the screw hole 14. 5 is fitted with a nozzle member 16.
- the nozzle member 16 is pressed and held at the bottom of the hole 15 by the tip shoulder of the connector 12.
- a shaft hole 19 forming a first passage 18 is formed coaxially with the nozzle 17 held by the nozzle member 16, and one step larger than the shaft hole 19.
- a second shaft hole 20 having a diameter is formed continuously in the axial direction.
- a total of six stages of absorption cells 21 are inserted into the second shaft hole 20 from the other end in the axial direction via a ring-shaped seal 22, and the final stage 21-6 is the main body 1 It is held in a fitted state in a shaft hole 23 formed in an end cap 13 fastened to the other end of 1.
- the fourth absorption cell 21-4 has an inner diameter D2 larger than the inner diameter D1, and the inner diameter D3 of the fifth and sixth absorption cells 21-5, 21-6 following this is
- the inner diameter D1 of the three absorption cells 21-1, 2, and 3 is set to be even smaller (D2, D0> D1> D3;).
- the absorption cells 2 1-1, 2, and 3 apply a back pressure to the first passage 18, and move to the fourth absorption cell 21-4 having a relatively large inner diameter D 2.
- the smallest absorption cell 21-5, 6 provides a predetermined back pressure.
- the inner diameter Ds of the ring-shaped seal 22 has an inner diameter larger than the maximum inner diameter D2.
- the first passage 18 where the strongest shear occurs is provided with sufficient back pressure to prevent bubbling that may occur due to strong shearing, and the fourth absorption sensor 21-4
- the fifth and sixth small-diameter absorption cells 21-5 and 6 provide a back pressure at which publishing does not occur due to the pressure relief.
- the inside diameter of the second passage 25 communicating with the sixth absorption cell 21-6 is set to be sufficiently larger than the inside diameter D3 of the sixth absorption cell 21-6.
- the passage 25 is connected to the next-stage heat exchanger 2.
- the nozzle 17 injects it into the first passage 19 as a high-speed jet flow.
- the jet flow injected into the first passage 19 applies a large shear force to the liquid present in the surroundings to cause emulsification and dispersion, and flows into the absorption cell 21 while losing its own kinetic energy.
- a shear force is applied to the liquid present in the absorption cell 21 to cause emulsification and dispersion.
- the absorption cell 21 is a liquid-liquid shear between the jet flow passing through the axis and the liquid existing around the jet flow, and the kinetic energy of the jet flow is converted into shear energy heat energy. It has a small diameter bore that is gradually lost as a result of conversion.
- the setting of the inner diameter and the number of stages of the absorption sensor 21 is extremely important for obtaining a strong emulsifying and dispersing action without causing coupling.
- Fig. 3 schematically shows one example.
- a total of three absorption cells 21-1, 2, and 3 following the first passage 18 have the same inner diameter D 1 that is one step smaller than the passage diameter DO of the first passage 18.
- the generation of bubbling due to pressure relief in the fourth absorption cell 25 having a large passage diameter D 2 is given by two absorption cells 21-5, 6 having a minimum diameter D 3 and a subsequent multistage decompression module 3. Is prevented by the applied back pressure.
- Fig. 4 shows an example of the multi-stage decompression module 3.
- the multi-stage decompression module 3 includes a cylindrical main body 30 and a cylindrical inlet end cap 31 that is fastened to a screw portion provided at one end of the main body 30.
- a total of six decompression cells 33 are inserted into a shaft hole 32 provided in the axial direction of the shaft through a seal 34, and are held between the end cap 31.
- the end cap 31 has an inlet 34 connected to a heat exchanger (2 in FIG. 1) and a passage 35 following the inlet 34.
- the first side communicates with the passage 35 from the radial direction.
- Port 36 is provided.
- a passage 37 coaxial with the shaft hole 32 and an outlet 38 following the same are provided, and a second side port 3 communicating with the passage 37 from the radial direction is provided. 9 are provided.
- supply pipe 40, plug 41, or relief valve 42 is attached to the first side port 36, and the second side port 36 is attached.
- the port 39 is provided with either the plug 41 or the relief valve 42.
- a total of six decompression cells 33 having the same inner diameter, outer diameter, and shaft length are used, but they do not need to have the same dimensions.
- Fig. 5 schematically shows an experimental device for actually measuring the depressurizing (or boosting) action of the depressurizing cell 33.
- the experimental apparatus main body 50 is composed of an inlet-side cylindrical body 51 and an outlet-side cylindrical body 51, which can be screwed in the axial direction.
- a shaft hole 55 having a larger diameter is formed between the outlet side passage 54 and the shaft hole 55.
- the shaft hole 55 is provided with a decompression cell 33 and the decompression cell 33 via a seal 34. Insert the holding cylinder 56 for holding in the axial direction.
- Six decompression cells 33 can be mounted in cell units, and a holding cylinder 56 of a length corresponding to the number of insertions is prepared. .
- the decompression cell 33 used for the experiment has an inner diameter of 0.75 mm and a length of 10 mm, and two types with an inner diameter of 1.0 mm and a length of 10 mm are prepared. Prepare a product with a thickness of about 6 mm and a thickness of about 1.5 mm.
- the pipe diameter from the high-pressure pump 6 via the heat exchanger 2 to the depressurization cell 33 via the inlet side passage 53 of the experimental apparatus main body 50 is 2.7 mm, and the outlet side passage diameter is 2.7. mm. '
- the water flow rate was set to 250 cc, 360 cc per minute while changing the number of decompression cells 33 in order, and a heat exchanger (cooler) was used to eliminate the influence of temperature.
- the temperature was adjusted to 25 ° C., and the pressure was measured by a pressure gauge 58 provided in front of the experimental apparatus main body 50.
- X be the value obtained by converting this height h into pressure units. This X represents the pressure difference (pressure drop) when the liquid passes through the cell.
- f is the friction loss coefficient
- L is the cell length
- D is the inside diameter of the cell
- V is the flow velocity
- Table 3 shows the results of experiments performed on a decompression cell with an inner diameter of 0.5 mm and a length of 1 Omm. Again, good agreement between theoretical and measured values is seen. It is considered that the error is due to the quantitative error of the high-pressure pump and the accuracy error of the pressure gauge.
- the cell method has the advantage that the pressure difference caused by the flow rate (back pressure) 1 can be calculated simply using the basic theoretical formula of hydraulics. This is made possible because the sealing force between the decompression cells has a large inner diameter, so that the pressure correlation between the two decompression cells is cut off.
- this multi-stage decompression module for example, if six decompression cells with an inner diameter of 1 mm and a length of 10 mm are combined, if the flow rate is 250 cc / min, the difference between each decompression cell is 0.1. The pressure is reduced by kg / cm 2 .
- Rule 2 does not have to be applied to the upstream side of the minimum passage diameter (D s ).
- FIG. 8 shows a preferred combination of cells having different diameters. Now, the inlet passage 35 to D c, passage diameter of the outlet passage passage 37, the passage diameter of the D Q seal 34, D s upstream three depressurization cells 33 -1, 2, 3 with the passage diameter, the D B 4 th passage diameter of the depressurization cells 33-4, when the D M and the passage diameter of the downstream two depressurization cells 33-5, 6, satisfy the following relation.
- the above rule is applied not only to the multi-stage decompression module but also to the combination of absorption cells of the multi-stage emulsification dispersion controller.
- the inventors have experimentally confirmed that this occurs.
- rule 2 applies because the absorption cell with the smallest diameter is located at the most downstream position.
- the above rules can be applied to the whole set of all path elements from the multi-stage emulsification dispersion controller to the outlet of the multi-stage decompression module.
- each absorption cell, inlet and outlet passages, communication passages (including passages in heat exchange) connecting the multi-stage emulsification dispersion controller and the multi-stage decompression module, and each decompression cell, inlet and outlet passages are made into individual passage units.
- the above rules are applied to the connection relation of these passage units. From this point of view, the above rules are more generalized as follows.
- the passage diameter of the passage unit is either D B (D s ⁇ D M ⁇ D B), passing downstream of the passage unit with the passage diameter D s
- D M the passage diameter of the passage unit, at least three different diameters 13 3, D M, is either D B (D s ⁇ D M ⁇ D B), passing downstream of the passage unit with the passage diameter D s
- Rule 2 It is not necessary to apply Rule 1) with respect to the upstream passage unit of the passage unit having the minimum passage diameter D s (exception to Rule 1).
- the inner diameter and the number of used decompression cells may be set optimally according to the processing pressure and the characteristics of the product to be processed.In some cases, two or three decompression cells may be used without the use of the seal 34. One pressure reducing cell may be used. However, the seal 34 is indispensable for the connection between the decompression cells of different diameters.
- FIG. 9 shows a multistage dispersion device in which the multistage emulsification / dispersion device shown in FIG. 2 and the multistage pressure reduction module shown in FIG. 4 are integrated.
- the first half indicated by arrow A corresponds to the multi-stage emulsification-dispersion controller 100
- the second half indicated by arrow B corresponds to the multi-stage decompression module.
- the device main body 110 is a long cylindrical body, and a shaft hole 120 is provided from the rear end thereof to communicate with the first passage 18 following the front end side nozzle 17.
- a total of five stages of absorption cells 21-1,..., 5 having the same inner diameter relationship as shown in FIG. 2 are connected in series, while a total of seven stages of decompression cells are provided following the fifth absorption cell 21-5. 1, 1,..., 7
- a series of these absorption cells 21—1,..., 5 and decompression cells 33—1,..., 7 are pressed in the axial direction by an end cap 13 that is screwed to the outlet side of the device body 110. Hold.
- the basic operation is not different from that of the first embodiment except that there is no heat exchanger (2 in FIG. 1).
- the pressure upstream of nozzle 17 (nozzle diameter 0.14 mm, length 1.5 mm) is 1000 kg / cm 2 and the flow rate is 340 cc / min.
- the flow coefficient is assumed to be 0.9 friction loss and number 0.032.
- Cell diameter (from upstream) Pressure just upstream of cell (kg / cm 2 )
- the cell length is set to 10 mm in each case, and drops to atmospheric pressure in the outlet passage.
- FIG. 10 shows three modes of the system configuration when the integrated multistage emulsification / dispersion apparatus 100 is used (hereinafter, referred to as cases 1, 2, and 3).
- Case 1 is designed to take out the product directly from the outlet of the integrated multi-stage emulsification / dispersion device 100. If there is no problem if the product is taken out at a high temperature, or if it is preferable to take it out at a high temperature, Such a system may be adopted. It should be noted that the feed tank 5 may be returned to the supply tank 5 as needed, so that the milking and dispersion may be performed again.
- the case 2 has a system configuration in which the integrated multi-stage milking and dispersing apparatus 100 is connected to the heat exchange expansion 2, and the product is cooled to an appropriate temperature by the heat exchanger 2 and then recovered. By cooling, publishing can be effectively prevented.
- the emulsified 'dispersed liquid to be recovered may be returned to the supply tank 5, and the emulsified' dispersed again.
- Case 3 is a system configuration in which a multistage decompression module 3 is connected downstream of the heat exchanger 2. This is shown. This case is effective when it is necessary to further increase the back pressure on the integrated multi-stage emulsification / dispersion apparatus 100.
- the liquid containing the additive stored in the second supply tank 7 is raised to a pressure equal to or higher than the back pressure by the supply pump 8, and is supplied to the multi-stage pressure reducing module via the valve 9. It is also possible to adopt a system configuration in which the data is supplied to the input side of (3).
- the supplied additive is almost uniformly dispersed and mixed into the emulsified / dispersed liquid in the multi-stage decompression module 3 by repeatedly reducing the pressure by the decompression cell 33 and relaxing the pressure by the seal 34.
- the liquid discharged from the multi-stage decompression module 3 may be collected as a final product, or may be returned to the supply tank 5 for re-use and dispersion.
- Fig. 11 shows an application example (third embodiment) of the multi-stage emulsification / dispersion system shown in Fig. 1.
- a solution eg, water, water / ethanol solution, ethanol, etc.
- a supply tank 5 stores a liquid in which powder or lecithin is dispersed in a solution (for example, water).
- a high pressure pump 6 is used to supply a pressure necessary for a critical point of the solution. (In the case of water, 2 18.4 atmospheres) Increase the pressure to above, for example, 1,000,000 atmospheres.
- a heat exchanger 200 is provided as a heating means, and is heated to a temperature above the critical point of the solution (critical temperature 37.4 ° C in the case of water), for example, 400 ° C. To bring the solution to a critical state.
- the liquid is supplied to the multi-stage milki-dispersion controller 1.
- insoluble materials such as lecithin are also easily dissolved, and when multistage emulsification is injected into the dispersion controller 1 at high speed, it is further emulsified by strong shear force. Is promoted. Therefore, there is a possibility that water and oil can be dispersed and dispersed without using a surfactant.
- the inside of the multi-stage dispersing controller 1 is at high temperature and high pressure, and the necessary back pressure is ensured by the multi-stage depressurizing module 3 and Z provided after the heat exchanger 2 or the multi-stage depressurizing module 3 'provided further downstream. I do.
- the emulsified dispersion that has exited the multistage emulsification dispersion controller 1 is cooled by heat exchange 3, and the cooled emulsified dispersion is reduced by multiple stages.
- the pressure is reduced by the pressure module 3. If a single cooling and depressurization is not sufficient, i.e., if the temperature and pressure conditions may still cause publishing when released to atmospheric pressure, the heat exchanger 2 'and the multi-stage decompression module Connect 3 'and perform sufficient cooling and decompression to prevent bubbling.
- a final product can be obtained without generating publishing while maintaining a favorable emulsification / dispersion state.
- the emulsified-dispersed liquid can be returned to the supply tank 5 to perform the milking and dispersion again, or the multi-stage pressure reducing module 3 can be supplied from the second supply tank 7 via the supply pump 8 and the valve 9.
- An additive may be added to the inlet side.
- the multi-stage decompression module 3 can set a required back pressure for the emulsification / dispersion device, that is, a back pressure capable of suppressing bubbling, and finally reduce the back pressure in multiple stages to ultimately reduce the back pressure. It can be reduced to a pressure that does not cause coupling even if it is released to the atmosphere. In this case, the back pressure and the degree of pressure reduction of the back pressure can be responded with a high degree of freedom by variously combining the inner diameter and length of the decompression cell and the number of the decompression cells. Therefore, the multi-stage decompression module can be effectively combined with a conventionally used high-pressure or rotary dispersion-emulsification apparatus.
- Figures 12 to 16 show application examples.
- Fig. 12 shows an example of application to a high-pressure homogenizer sold as a DeBEE 2000 dual type
- Fig. 13 shows an example of a high-pressure homogenizer sold as a De BEE 2000 reverse type. Is shown as an application example.
- De BEE 2000 jets a high-speed jet of 500 feet or more Z-seconds into a multi-stage absorption cell, and the liquid at the interface between the high-speed jet flow and the low-speed liquid flow formed around it.
- This is a type that emulsifies and disperses by one-liquid shearing.
- the dual type is a type that supplies the liquid by using the suction force of the jet flow from the side of the jet flow
- the reverse type is a type in which the downstream end is closed and pushed backward from the closed end.
- the emulsion is supplied from the side port 303 on the inlet side of 03, and the emulsion is taken out from the rear end of the emulsification module 303.
- the returned emulsion is taken out from the side port 307 on the inlet side.
- the multi-stage decompression module 3 provides the back pressure necessary to prevent the occurrence of coupling that may be caused by strong shearing in the emulsification module 303, and reduces the back pressure in multiple stages to remove the product. It also prevents bubbling from occurring at times.
- Figures 14, 15, and 16 show the multi-stage decompression module 3 using an in-line rotary homogenizer 400, a Gaulin-type homogenizer 410, and a nozzle-fixed high-pressure homogenizer (micro frenoleizer, nanomizer). 20 shows examples applied to each of them.
- FIGS. 14 to 16 the same or corresponding components as those in FIG. 1 are denoted by the same reference numerals, and further description is omitted.
- the multi-stage decompression module according to the present invention can apply a high back pressure to the milking / dispersing device as needed, and reduce the high back pressure in multiple stages. This makes it possible to reliably prevent bubbling when the dispersion / emulsion liquid is released to the atmosphere.
- the emulsifying and dispersing apparatus As the emulsifying and dispersing apparatus, a conventionally used or well-known type can be used. And high rotation speed can be achieved, and an excellent dai-dani-dispersion can be produced.
- the multistage dispersing module according to the present invention by combining absorption cells having different inner diameters in multiple stages, provides a high back pressure such that bubbling does not occur even when a high shear force is applied during the course of the liquid. It is possible to perform emulsification and dispersion by high shear force while suppressing publishing.
- the above-mentioned multi-stage emulsification / dispersion module and the multi-stage decompression module can be integrally cut, and in this case, the product can be taken out from this unit without generating bubbling.
- the solution is heated at a high pressure to bring the solution to a critical state, and then, preferably, a multistage emulsification / dispersion module is used.
- a multistage emulsification / dispersion module is used. I do. Since bubbling and flushing are likely to occur at high temperatures, emulsification and dispersion must be performed at a sufficiently high back pressure. Can be prevented.
- solubility that cannot be seen in the liquid phase state is obtained, and by applying a high shear force in that state, water and lecithin, water which could not be emulsified and dispersed without a surfactant in the past And an oil emulsion can be expected.
- the emulsification / dispersion system using the multi-stage module according to the present invention is particularly useful for emulsification / dispersion requiring a high shear force, and is suitable for use in a homogenizer or the like.
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003201848A AU2003201848A1 (en) | 2002-01-09 | 2003-01-09 | Emulsifying/dispersing system using multi-step vacuum module and process for producing emulsion/dispersion |
KR1020047010698A KR100624122B1 (ko) | 2002-01-09 | 2003-01-09 | 다단 감압 모듈을 사용한 유화·분산 시스템 |
EP03700503A EP1470855B1 (en) | 2002-01-09 | 2003-01-09 | Emulsifying/dispersing system |
JP2003559652A JP4301441B2 (ja) | 2002-01-09 | 2003-01-09 | 多段減圧モジュールを用いた乳化・分散システムおよび乳化・分散液の製造方法 |
DE60321656T DE60321656D1 (de) | 2002-01-09 | 2003-01-09 | Emulgier-/dispergiersystem |
US10/501,031 US7284899B2 (en) | 2002-01-09 | 2003-01-09 | Emulsification/dispersion system using multistage depressurization module and method for producing emulsified/dispersed liquid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002002447 | 2002-01-09 | ||
JP2002-2447 | 2002-01-09 |
Publications (1)
Publication Number | Publication Date |
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WO2003059497A1 true WO2003059497A1 (fr) | 2003-07-24 |
Family
ID=19190746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/000091 WO2003059497A1 (fr) | 2002-01-09 | 2003-01-09 | Systeme pour emulsion/dispersion utilisant un module de vide a plusieurs etapes, et procede d'elaboration d'une emulsion/dispersion |
Country Status (9)
Country | Link |
---|---|
US (1) | US7284899B2 (ja) |
EP (1) | EP1470855B1 (ja) |
JP (3) | JP4301441B2 (ja) |
KR (1) | KR100624122B1 (ja) |
CN (1) | CN1286551C (ja) |
AT (1) | ATE398485T1 (ja) |
AU (1) | AU2003201848A1 (ja) |
DE (1) | DE60321656D1 (ja) |
WO (1) | WO2003059497A1 (ja) |
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- 2003-01-09 WO PCT/JP2003/000091 patent/WO2003059497A1/ja active IP Right Grant
- 2003-01-09 EP EP03700503A patent/EP1470855B1/en not_active Expired - Lifetime
- 2003-01-09 JP JP2003559652A patent/JP4301441B2/ja not_active Expired - Fee Related
- 2003-01-09 US US10/501,031 patent/US7284899B2/en not_active Expired - Fee Related
- 2003-01-09 KR KR1020047010698A patent/KR100624122B1/ko not_active IP Right Cessation
- 2003-01-09 DE DE60321656T patent/DE60321656D1/de not_active Expired - Lifetime
- 2003-01-09 AT AT03700503T patent/ATE398485T1/de not_active IP Right Cessation
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JP2007219452A (ja) * | 2006-02-20 | 2007-08-30 | Sharp Corp | トナーの製造方法およびトナー |
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JPWO2010023977A1 (ja) * | 2008-08-26 | 2012-01-26 | パナソニック電工株式会社 | 気体溶解装置 |
WO2010023977A1 (ja) * | 2008-08-26 | 2010-03-04 | パナソニック電工株式会社 | 気体溶解装置 |
US8556494B2 (en) | 2011-03-17 | 2013-10-15 | Michael Hawes | System for manufacturing emulsified/dispersed liquid |
JP5801974B1 (ja) * | 2015-02-12 | 2015-10-28 | 株式会社Nextコロイド分散凝集技術研究所 | 多層エマルションの製造方法、及びカプセルの製造方法 |
JP2016147233A (ja) * | 2015-02-12 | 2016-08-18 | 株式会社Nextコロイド分散凝集技術研究所 | 多層エマルションの製造方法、及びカプセルの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4325762B2 (ja) | 2009-09-02 |
CN1286551C (zh) | 2006-11-29 |
KR100624122B1 (ko) | 2006-09-20 |
EP1470855A4 (en) | 2006-09-06 |
JP4301441B2 (ja) | 2009-07-22 |
CN1615175A (zh) | 2005-05-11 |
JP2009148762A (ja) | 2009-07-09 |
JP2008194692A (ja) | 2008-08-28 |
US7284899B2 (en) | 2007-10-23 |
JPWO2003059497A1 (ja) | 2005-05-19 |
JP4371332B2 (ja) | 2009-11-25 |
EP1470855A1 (en) | 2004-10-27 |
US20050041523A1 (en) | 2005-02-24 |
EP1470855B1 (en) | 2008-06-18 |
DE60321656D1 (de) | 2008-07-31 |
AU2003201848A1 (en) | 2003-07-30 |
KR20040081450A (ko) | 2004-09-21 |
ATE398485T1 (de) | 2008-07-15 |
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