JP2009000642A - Emulsifying and grinding device, emulsifying and grinding method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an emulsifying and grinding device not only stably emulsifying, but also producing emulsion fuel by emulsifying gasoline, and extremely finely grinding to a nanometer level. <P>SOLUTION: The emulsifying and grinding device is provided with: an outer rotor having a smooth cylindrical inner periphery and formed with a plurality of slits penetrating through in the inner and outer direction; an inner rotor having a smooth cylindrical outer periphery and formed with a plurality of slits penetrating through in the inner and outer direction, while the outer periphery facing the inner periphery of the outer rotor with fine spaces by being inserted into the outer rotor; a casing having an inlet and an outlet of a treating material, and rotatably containing a rotor assay with the outer and inner rotors assembled thereto; and a drive means reversely rotating the outer and inner rotors. The treating material introduced from the inlet of the casing enters the spaces between the outer and inner rotors, passes through the spaces and flows into the inside of the casing through the slits. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an emulsification and pulverization apparatus for performing an emulsification treatment for emulsifying a hydrophobic liquid such as gasoline or oil with water, or performing a treatment for pulverizing powder extremely finely. Moreover, this invention relates to the emulsification and the grinding | pulverization method for performing the said process.

  Japanese Patent Application Laid-Open No. 5-49912 describes an emulsifying device for emulsifying a hydrophobic liquid with water. This apparatus has a structure in which a rotating rotor is inserted into a stator, and liquid is passed between the rotor and the stator while rotating the stator. In addition, a plurality of protruding blade bodies are formed on the inner peripheral surface of the stator, while a plurality of protruding blade bodies are also formed on the outer peripheral surface of the rotor, and liquid is passed between these blade bodies to make the liquid. A shearing force is applied to emulsify.

Japanese Patent Application Laid-Open No. 2000-279787 describes a granulating apparatus for pulverizing powder such as soil. This device has a structure in which an inner rotor is eccentrically inserted into an outer rotor, and powder is supplied and pulverized between the outer rotor and the inner rotor while rotating in the opposite direction. The outer rotor and the inner rotor are formed with blades protruding to the other side, and the powder passing through these blades is pulverized.
Japanese Patent Laid-Open No. 5-49912 JP 2000-279787 A

  However, the above-described conventional apparatus has a problem that it cannot be sufficiently emulsified and cannot be pulverized to extremely fine particles. For this reason, when using the apparatus of Unexamined-Japanese-Patent No. 5-49912, it is necessary to use many surfactants as an emulsifier other than hydrophobic liquid and water. Further, the apparatus disclosed in the publication cannot emulsify gasoline, and is not suitable as an apparatus for producing an emulsion fuel in which gasoline and water are emulsified, for example. In the apparatus of Japanese Patent Laid-Open No. 2000-279787, the application range of the pulverized powder is limited because it cannot be pulverized into very fine particles. Furthermore, in any apparatus, it is used only for emulsification or pulverization, and does not have versatility applicable to both emulsification and pulverization.

  The present invention has been made in consideration of the above-mentioned problems of the conventional apparatus, and not only can emulsification without using a surfactant, but also can produce an emulsion fuel emulsified with gasoline. An object of the present invention is to provide an emulsification and pulverization apparatus and an emulsification and pulverization method capable of performing fine pulverization to the nanometer level.

  The emulsifying and pulverizing apparatus according to claim 1 has a smooth cylindrical inner peripheral surface and an outer rotor formed with a plurality of slits penetrating in the inner and outer directions, and a smooth cylindrical outer peripheral surface. A plurality of slits penetrating in the inner and outer directions are formed and inserted into the outer rotor so that the outer peripheral surface faces the inner peripheral surface of the outer rotor with a minute gap, an inlet for processing material, and An outlet is formed, and a case that rotatably houses a rotor assembly in which the outer rotor and the inner rotor are assembled, and a driving unit that rotates the outer rotor and the inner rotor in opposite directions, are configured. After the processing material introduced from the entrance of the case enters the gap between the outer rotor and the inner rotor, it passes through these gaps and flows out of the slit into the case. The features.

  A second aspect of the present invention is the emulsification and pulverization apparatus according to the first aspect, wherein the gap between the inner peripheral surface of the outer rotor and the outer peripheral surface of the inner rotor is at a nanometer level.

  A third aspect of the present invention is the emulsification and pulverization apparatus according to the first or second aspect, wherein the outer rotor and the inner rotor have rotational axes positioned on a straight line.

  A fourth aspect of the present invention is the emulsification and pulverization apparatus according to any one of the first to third aspects, wherein a diamond tip is embedded in at least one of the inner peripheral surface of the outer rotor and the outer peripheral surface of the inner rotor. It is characterized by.

  A fifth aspect of the present invention is the emulsification and pulverization apparatus according to any one of the first to third aspects, wherein a blade plate is provided on an inner peripheral surface of the inner rotor.

  A sixth aspect of the present invention is the emulsifying and pulverizing apparatus according to the fifth aspect, wherein a diamond tip is embedded in the surface of the blade plate.

  A seventh aspect of the present invention is the emulsification and pulverization apparatus according to any one of the first to sixth aspects, wherein the outer surface of the outer rotor is covered with a magnetic film.

  In the emulsification and pulverization method according to the eighth aspect of the invention, the smooth cylindrical inner peripheral surface of the outer rotor and the smooth cylindrical outer peripheral surface of the inner rotor face each other through a minute gap, and the outer rotor and The processing material is processed by passing through the gap while rotating the inner rotor in the reverse direction.

  The invention according to claim 9 is the emulsification and pulverization method according to claim 8, wherein the gap between the inner peripheral surface of the outer rotor and the inner peripheral surface of the inner rotor is set to a nanometer level. .

  A tenth aspect of the invention is the emulsification and pulverization method according to the eighth or ninth aspect, characterized in that the circulation of supplying the processing material that has passed through the gap is again repeated.

  According to the present invention, in a state where the outer rotor and the inner rotor are assembled, the gap between the inner peripheral surface of the outer rotor and the outer peripheral surface of the inner rotor is a minute gap such as a nanometer level. When the processing material is introduced into the gap between the outer rotor and the inner rotor while rotating the outer rotor and the inner rotor in the opposite direction, the processing material has a processing force such as shearing force and mixing force at the nanometer level. Works. As a result, the liquid particles can be made into ultrafine particles of nanometer level, emulsification with only the treatment material becomes possible, and no emulsifier is required. Further, since the particles are extremely fine, even a material having a large interfacial force such as gasoline that is difficult to emulsify can be emulsified with water without using an emulsifier. Accordingly, an emulsion fuel can be produced. Furthermore, when the processing material is a powder, it becomes nanometer-level extremely fine particles, so that the application range is expanded. For example, when pulverized carbon or the like is applied to an electrode of an automobile battery, it can not only handle a large load current but also has a very long life.

  Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments. In addition, in each embodiment, the same code | symbol is attached | subjected to the same member and it is made to respond | correspond.

(First embodiment)
1 to 3 show an emulsification and pulverization apparatus 1 according to a first embodiment of the present invention. The emulsification and pulverization apparatus 1 includes a case 2, a rotor assembly 3 accommodated in the case 2, and a driving unit 4.

  The case 2 is hollow, a storage chamber 5 is formed therein, and the rotor assembly 3 is stored in the storage chamber 5. Case 2 has an inlet 6 and an outlet 7 for processing material. In this embodiment, the inlet 6 is provided in the upper part of the case 2, and the outlet 7 is provided in the lower part of the side surface of the case 2. The processing material 100 is introduced into the rotor assembly 3 through the inlet 6, flows out of the rotor assembly 3, and then is discharged from the outlet 7 through the storage chamber 5.

  The rotor assembly 3 is configured by assembling the outer rotor 10 and the inner rotor 20. The outer rotor 10 and the inner rotor 20 are made of a material having high rigidity, high wear resistance, and corrosion resistance. As this material, for example, a super hard alloy such as stainless steel or TiC can be used.

  As shown in FIG. 3, the outer rotor 10 is formed in a bottomed cylindrical shape, and its inner peripheral surface (not shown) is cylindrical. The inner peripheral surface is processed into a smooth surface by polishing. A plurality of slits 11 are formed in the outer rotor 10. The plurality of slits 11 penetrate in the inner and outer directions of the outer rotor 10 and are formed at equal intervals on the side surface of the outer rotor 10.

  An introduction slit 12 is formed in the top surface 10a of the outer rotor so as to penetrate in the inner and outer directions. The introduction slit 12 introduces the processing material 100 from the inlet 6 of the case 2 into the rotor assembly 3. The introduction slits 12 have an arc shape having a predetermined length with the rotation center of the outer rotor 10 as the center, and a plurality of slits are formed at equal intervals.

  As shown in FIGS. 1 and 3, the outer rotor 10 is connected to a first motor 4 a that is a constituent member of the driving means 4. The rotation shaft 4c of the first motor 4a is connected to the center of the top surface 10a of the outer rotor. When the first motor 4a rotates in the direction of arrow R, the outer rotor 10 rotates in the same direction R.

  As shown in FIG. 3, the inner rotor 20 is formed in a bottomed cylindrical shape like the outer rotor 10. The outer peripheral surface 23 of the inner rotor 20 has a cylindrical shape and is processed into a smooth surface by polishing. A plurality of slits 21 are also formed in the inner rotor 20. The plurality of slits 21 are formed so as to penetrate inward and outward of the inner rotor 20, and are provided at equal intervals on the side surface of the inner rotor 20 like the slits 11 of the outer rotor 10.

  The inner rotor 20 is inserted into the outer rotor 10, and the rotor assembly 3 is assembled by this insertion. In the state where the inner rotor 20 and the outer rotor 10 are assembled, the inner peripheral surface of the outer rotor 10 and the outer peripheral surface 23 of the inner rotor 20 face each other with a minute gap. In this facing state, the slit 11 of the outer rotor 10 and the slit 21 of the inner rotor 20 are substantially at the same position.

  As shown in FIGS. 1 and 3, the inner rotor 20 is connected to a second motor 4 b that is a constituent member of the driving means 4. The rotating shaft 4d of the second motor 4b is connected to the center of the bottom surface of the inner rotor 20, and rotates the inner rotor 20 in the same direction L when the second motor 4b rotates in the arrow L direction. The rotation direction L of the inner rotor 20 is opposite to the rotation direction R of the outer rotor 10.

  The gap between the inner peripheral surface of the outer rotor 10 and the outer peripheral surface 23 of the inner rotor 20 is desirably as small as possible. As this interval, the nanometer level (nm level) is favorable. By setting to the nm level, as described later, emulsification that does not require a surfactant can be performed, and the powder can be pulverized extremely finely. The processing for setting the gap to the nm level is possible by performing numerical control.

  As shown in FIGS. 1 and 3, the rotation shafts 4c and 4d of the first motor 4a and the second motor 4b constituting the driving means 4 are positioned on a straight line. As described above, the rotation shafts 4c and 4d are positioned in a straight line, so that the outer rotor 10 and the inner rotor 20 can smoothly rotate without being gnawed even when facing each other with a gap of nm level.

  Next, an emulsification process using the emulsification and pulverization apparatus 1 of this embodiment will be described. The motors 4a and 4b are driven to rotate the outer rotor 10 and the inner rotor 20 in the reverse direction. The number of rotations of these rotors 10 and 20 can be appropriately selected within a range of 5000 to 60000 rpm. Moreover, it can select suitably also by the property and material of the processing material 100 to be used.

  Hydrophobic liquid such as oil and water are injected from the inlet 6 of the case 2 with respect to the rotation state of the rotors 10 and 20. The injected hydrophobic liquid and water pass through a gap between the inner peripheral surface of the outer rotor 10 and the outer peripheral surface 23 of the inner rotor 20 at the nm level. When passing through the gap, shearing force and mixing force act at the nm level, and water is nano-sized into the hydrophobic liquid. Thereby, it becomes an emulsion in which the hydrophobic liquid and water are emulsified. The produced emulsion flows out from the slit 11 of the outer rotor 10 into the storage chamber 5 of the case 2 and is discharged from the outlet 7. In this way, since a shearing force and mixing force at the nm level act, an emulsion can be generated without using an emulsifier. Moreover, the produced emulsion has stable properties and does not separate even if left for a long time. In addition, you may add an emulsifier as needed.

  As described above, since emulsification is performed at the nm level, an emulsion with water can be generated even with gasoline. The generated W / O type emulsion fuel can be supplied to a gasoline engine as it is and burned. Thereby, consumption of gasoline fuel can be reduced. In addition, when emulsifying gasoline and water, an aqueous solution of an alkali metal such as sodium may be added as alkaline water, whereby the emulsification can be further promoted.

  In this embodiment, a diamond tip 30 is provided as shown in FIG. The diamond tip 30 is provided by being embedded in one or both of the inner peripheral surface of the outer rotor 10 and the outer peripheral surface 23 of the inner rotor 20. The diamond tip 30 provided in this way is harder than any processing material 100 and exerts a shear force on the processing material 100 very effectively. Therefore, finer pulverization is possible. Moreover, since the diamond tip 30 increases the emulsifying power, it can effectively act on emulsification. The diamond tip 30 may not be arranged if it is not necessary.

  Next, the case where powder is used as the processing material 100 will be described. The powder as the processing material 100 is introduced into the gap between the inner peripheral surface of the outer rotor 10 and the outer peripheral surface 23 of the inner rotor 20 in the same manner as described above, and a processing power of nm level acts when passing through the gap. Thereby, the powder can be pulverized to the nm level. For example, carbon powder with a particle size of 5.2 μm can be pulverized to a particle size of 25 nm, zinc powder with a particle size of 15.7 μm can be pulverized to a particle size of 41 nm, and nickel powder with a particle size of 54.9 μm can be pulverized to a particle size of 41 nm. Can be crushed. Such pulverization can be made finer by changing the pulverization time and pulverization pressure.

  In this invention, the processing material 100 can be processed repeatedly. Circulation processing for repetition is possible by introducing the processing material 100 introduced and discharged into the gap between the inner circumferential surface of the outer rotor 10 and the outer circumferential surface 23 of the inner rotor 20 into the gap again from the inlet 6. It is. By carrying out this circulation treatment, it is possible to achieve better emulsification and pulverization to a fine particle size.

(Second Embodiment)
4 and 5 show an emulsification and pulverization apparatus 41 in the second embodiment of the present invention. In the emulsification and pulverization apparatus 41 of this embodiment, the blade plate 33 is provided on the inner rotor 20 in the rotor assembly 3.

  The blade plate 33 is provided on the inner peripheral surface of the inner rotor 20, and extends in the radial direction from the inner peripheral surface of the inner rotor 20 toward the center direction of the rotor 20. Plural blade plates 33 are provided at equal intervals on the inner peripheral surface of the inner rotor 20.

  As described above, in the structure in which the blade plate 33 is provided, the processing material 100 can be firmly stirred. That is, the processing material 100 introduced into the outer rotor 10 from the inlet 6 of the case 2 through the introduction slit 12 collides with the blade plate 33 of the inner rotor 20, and a fluid force is added and stirred by the impact. . Therefore, when the processing material 100 is powder, it can be pulverized very finely, and when the processing material 100 is oil and water, the emulsifying power is increased and a stable emulsified state can be obtained.

  In the structure shown in FIGS. 4 and 5, a diamond tip (not shown) can be embedded in the surface of the blade plate 33. Since the embedded diamond tip is hard, a large shearing force can be applied by colliding with the processing material 100. As a result, finer pulverization and more stable emulsification are possible.

(Third embodiment)
In the emulsification and pulverization apparatuses 1 and 41 of the first and second embodiments described above, a magnet film (not shown) may be provided on the outer surface of the outer rotor 10. The magnet film is provided so as to cover the outer surface of the outer rotor 10. By covering the outer surface of the outer rotor 10 with the magnet film in this way, a magnetic field is formed inside the outer rotor 10, and this magnetic field acts on the processing material 100 introduced into the outer rotor 10. Therefore, finer pulverization and stable emulsification are possible. Such a magnetic field can be made to cooperate with the pulverization time and the pulverization pressure described in the first embodiment, and by adjusting the magnetic force of the magnet film together with the pulverization time and the pulverization pressure, a finer particle size can be obtained. Grinding becomes possible. The magnet film can be easily formed by winding a thin magnet around the outer surface of the outer rotor 10.

  In the above embodiment, the first motor 4a and the second motor 4b are used as the driving means 4, but the structure is such that the motor is a single unit and the outer rotor 10 and the inner rotor 20 are rotated in the reverse direction via gears or the like. It is also good.

1 is an overall cross-sectional view of an emulsification and pulverization apparatus in a first embodiment of the present invention. It is a top view of the emulsification and grinding device of a 1st embodiment. It is a disassembled perspective view of the rotor assembly in 1st Embodiment. It is a whole sectional view of an emulsification and crushing device in a 2nd embodiment of the present invention. It is a disassembled perspective view of the rotor assembly in 2nd Embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Emulsification and grinding | pulverization apparatus 2 Case 3 Rotor assembly 4 Driving means 4a 1st motor 4b 2nd motor 4c, 4d Rotating shaft 5 Storage chamber 6 Inlet 7 Outlet 10 Outer rotor 10a Outer rotor top surface 11 Slit 12 Introduction slit 20 Inside Rotor 21 Slit 23 Outer peripheral surface 33 Blade plate 41 Emulsification and pulverization apparatus 100 Processing material R, L Rotation direction

Claims (10)

An outer rotor having a smooth cylindrical inner peripheral surface and formed with a plurality of slits penetrating inward and outward directions;
A plurality of slits penetrating inward and outward are formed with a smooth cylindrical outer peripheral surface, and the outer peripheral surface is opposed to the inner peripheral surface of the outer rotor by being inserted into the outer rotor. An inner rotor that
A case in which an inlet and an outlet for the processing material are formed, and a rotor assembly in which the outer rotor and the inner rotor are assembled is rotatably stored;
Driving means for rotating the outer rotor and the inner rotor in the reverse direction,
The emulsification and pulverization apparatus, wherein the processing material introduced from the inlet of the case enters the gap between the outer rotor and the inner rotor, then passes through the gap and flows out of the slit into the case .   The emulsification and pulverization apparatus according to claim 1, wherein a gap between an inner peripheral surface of the outer rotor and an outer peripheral surface of the inner rotor is at a nanometer level.   The emulsification and pulverization apparatus according to claim 1 or 2, wherein the outer rotor and the inner rotor have rotational axes positioned on a straight line.   The emulsification and pulverization apparatus according to any one of claims 1 to 3, wherein a diamond tip is embedded in at least one of an inner peripheral surface of the outer rotor and an outer peripheral surface of the inner rotor.   The emulsification and pulverization apparatus according to any one of claims 1 to 3, wherein a blade plate is provided on an inner peripheral surface of the inner rotor.   6. The emulsifying and pulverizing apparatus according to claim 5, wherein a diamond chip is embedded in a surface of the blade plate.   The emulsification and pulverization apparatus according to claim 1, wherein an outer surface of the outer rotor is covered with a magnet film.   The smooth cylindrical inner peripheral surface of the outer rotor and the smooth cylindrical outer peripheral surface of the inner rotor face each other through a minute gap, and the processing material is processed while rotating the outer rotor and the inner rotor in the opposite direction. An emulsification and pulverization method characterized by passing through a gap and processing.   9. The emulsification and pulverization method according to claim 8, wherein a gap between an inner peripheral surface of the outer rotor and an inner peripheral surface of the inner rotor is set to a nanometer level. The emulsification and pulverization method according to claim 8 or 9, wherein the circulation of supplying the processing material that has passed through the gap again into the gap is repeated.

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