JP2897915B2 - Atomizer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for emulsifying, dispersing, or combining these materials, substances such as medicines and foods, or a composite thereof, to the size of micron or nano-micron order. The present invention relates to an atomization device. More specifically, the present invention relates to a tabletop type atomization apparatus suitable for performing experiments and tests of atomization of various materials on a table by reducing the size and weight of the apparatus.

[0002]

2. Description of the Related Art It is widely known that when various materials are atomized, the original functions of the materials are sufficiently exhibited, and therefore, an apparatus for atomizing materials is urgently required. However, the atomization device for that purpose is inevitably required to have high pressure and to purify the material (contamination-less), and it is necessary to increase the size and the price by providing a pump and a compressor. For this reason, it is essential to reduce the size of the device for compressing the material for atomization and to improve the cleanability of the atomized portion.

[0003] Conventionally, as a method for atomizing a substance in a fluid by utilizing physical or chemical action in collision, turbulence, turbulence, expansion or contraction of the fluid, Japanese Patent Application Laid-Open No. 2-261525 has been disclosed.
Or US Pat. No. 4,533,254. The former is one in which a through hole and a groove are formed in a nozzle disk in a generator, which is an atomization generator, and the latter is a combination of a nozzle hole and a film-like chamber.

[0004]

However, any of the above-mentioned conventional devices can achieve atomization of the material, but the disk or nozzle in the chamber for atomization generation has a groove or a thin film-shaped chamber. , The surface area in contact with the fluid (or particles) is increased,
There was a problem that the cleaning property was poor.

[0005] Further, since the device for compressing the fluid is a compressor or a pump, there is a problem that the whole device becomes large when it is desired to compress at a high pressure.

The present invention has good cleaning properties, can be applied to atomization of various materials, can be reduced in size of a pressing member, which is a device for compressing a material (fluid), and can be reduced in size and / or weight of the entire device. It can be manufactured at low cost, and it is possible to easily perform tests and experiments on various materials on a table, and easily separate the plunger facing the chamber from the pressing member to improve the cleaning performance. It is an object of the present invention to provide an atomizing device that can be improved.

[0007]

Means for Solving the Problems The atomizing device of the present invention comprises:
A main body, a pressing member, a chamber member formed with a chamber therein, and a fluid present in the chamber being configured to generate pressure by the pressing member; and a chamber member attached to and communicating with the chamber member. And a cylindrical member provided with a member that communicates with the chamber and rapidly reduces the cross-sectional area of the flow path.

In implementing the atomization device of the present invention, it is preferable that the member for rapidly reducing the cross-sectional area of the flow path is formed of an orifice or a nozzle.

The pressing member is rotatable with respect to the main body but is not movable in the axial direction. The pressing member is movable in the axial direction of the screw member but does not rotate with respect to the main body. And a nut member screwed to the screw portion, the nut member being in contact with one end of the plunger, and the other end of the plunger facing the chamber.

[0010] The atomization apparatus of the present invention comprises a frame-shaped main body formed by connecting a pair of end plates with a plurality of connecting rods, and one end rotatably supported by one of the end plates. And a ball-containing screw member, the other end of which extends toward the other end plate, and which is screwed to the ball-containing screw portion and does not rotate relative to one of the connecting rods but in the axial direction. A nut member movably mounted on the plunger, a plunger connected to a tip of the nut member, a chamber facing an end of the plunger opposite the nut member, Is formed inside and is configured to be attachable to the other end plate from the side opposite to the one end plate, and communicates with the chamber via a check valve. A material supply member to be mounted and the chamber A cylindrical member that communicates with the discharge side of the atomization generating material, an air release member that communicates with the chamber and discharges air from the chamber, and a motor member that is provided in the main body and rotates the ball-containing screw member The main body is configured to be installed on a table, and the cylindrical member is provided with an orifice type nozzle that atomizes and generates a material supplied from the material supply member in the chamber. It is characterized by.

In this case, it is preferable that the connection between the nut member and the plunger is constituted by a notch groove formed in a fitting portion of the two and a chevron plate member inserted into the notch groove. .

According to the atomization device of the present invention having such a configuration, the atomization generating section (so-called "generator")
However, since it is a member (for example, an orifice or a nozzle) which is mounted in the cylindrical member and rapidly reduces the cross-sectional area of the flow path, the shape is simple and the surface area in contact with the fluid (material) is small. Therefore, various kinds of dirt can be easily generated from the surface of the generator (for example, the previous material; that is, the material remaining in the generator during the atomization treatment performed immediately before).
Can be washed away.

In the present invention, if the pressing member is constituted by a ball-containing screw member and a nut member screwed to the screw member, the rotation of the screw is smoothly converted into an axial movement to easily compress the fluid. it can. Further, a very high pressure can be generated by a device having a simple structure and a small size.

According to the present invention, furthermore, according to the present invention, a main body which is an apparatus structure is formed by connecting both end plates and a plurality of connecting rods.
Since the entire apparatus is reduced in weight and size, the experimental test can be easily repeated on a table.

In addition, in the present invention, the connection between the nut member and the plunger is constituted by a notch groove formed in a fitting portion of the two and a chevron plate member inserted into the notch groove. By releasing the connection between the nut member and the plunger, both can be easily separated. As a result, cleaning becomes easy, and when multiple types of materials are atomized multiple times, the material used in the last minute amount reduction can be reliably washed and removed from the plunger. It is possible to keep the purity without mixing unnecessary materials in the processing.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. In FIG. 1 which shows the entire apparatus in a perspective view, the atomizing apparatus 1 is connected to a main body (structure) by a plurality of connecting rods 5 (see FIG. 2) connecting both end plates of a left end plate 3 and a right end plate 4. 2). An upper cover 6 is placed over these, a pulley cover 7 is placed on the left side, and a front panel 8 is attached to the front. The front panel 8 is provided with a pressure adjustment dial 9, a discharge amount lever 10, and a main switch 11.

A chamber member 12 is attached to the right end plate 4 from the outside by a method described later. A material (sample) supply member 13 communicates from above the chamber member 12 via a check valve 16.
2 (the back side of the paper in FIGS. 1 and 2)
4 is attached. An air release member 17 is provided adjacent to the chamber member 12 (to the right in FIGS. 1 and 2), and a tubular member (generator) 15 is provided in front of the chamber member 12 in FIGS. An air vent pipe 18 is provided from below the chamber member 12.

Material (sample) supply member 13, pressure gauge 14,
The air release member 17, the cylindrical member (generator) 15, and the air release pipe 18 are attached so as to communicate with a chamber 21 (described later). A sample outlet cradle 19 is provided below the right end plate 4 (the lower right side in FIGS. 1 and 2).
The sample outlet receiving table 19 receives an atomized sample discharged from a sample outlet pipe (not shown in FIG. 1) 20 attached to the cylindrical member 15.

In FIG. 2 which shows a part of the device 1 in cross section,
The right end plate 4 includes a chamber member 1 having a chamber 21.
2 are installed. To the chamber member 12, a material (sample) supply member 13 having a check valve 16, a pressure gauge 14, and a cylindrical member 15 which is communicated with a sample outlet pipe 20 and is used as a generator is attached by screwing. ing.

Further, in FIG. 2, the main body 2 is constituted by connecting the end plates 3 and 4 with a plurality of connecting rods 5.
Further, a ball-containing screw member 22 described later is rotatably supported on the left end plate 3, and a nut member 23 is screwed to a free end of the screw member 22. One connecting rod 5 penetrates the upper end of the nut member 23, and the nut member 23 is guided movably in the axial direction of the connecting rod 5.

A plunger 24 is connected to the tip (right end in FIG. 2) of the nut member 23. The right end of the plunger 24 faces the chamber 21 via the seal 28.

A large pulley 25 is attached to the screw member 22, and a belt 29 is wound around the small pulley 26 of the motor 27. The motor 27 has a built-in microcomputer 30, and changes the rotation direction (forward rotation or reverse rotation) and rotation speed by the pressure adjustment dial 9 of the front panel 8 to generate the pressure (maximum 1500) in the chamber 21 by the plunger 24.
kgfg / cm ² ). Also, the discharge amount lever 10
The rotation direction (forward rotation or reverse rotation) and rotation speed of the motor 27 itself are controlled by the amount of lateral movement of the motor 27 to change the position of the nut member 23 with respect to the screw member 22 (that is, the initial position of the plunger 24). ing.

The position of the nut member 23 is detected by the upper right optical sensor 31 at the end of compression (pressing), and by the upper middle optical sensor 32, the initial position is detected, and the photoelectric element 33 attached to the nut member 23 is detected. With the light sensing of
The microcomputer 30 is notified.

The front panel 8 has a manual button 3
4 and an automatic button 35 are provided, and any of them can be selected. That is, the manual button 34 is pressed to perform manual pressing and returning, while the automatic button 35 is pressed to perform the same operation a plurality of times.

FIG. 3 is a detailed front sectional view of the present apparatus 1.
A large number of balls 36 are sealed in the threaded portions of the screw member 22 and the nut member 23, so that they can be circulated.
3, a cylindrical end member 38 provided at the left end of the plunger 24 is fitted into the tip 23a of the nut member 23, and the notch groove 39 of the nut member 23 and the notch groove 40 on the end member 38 side. And an inverted U-shaped chevron plate member 37 is provided so as to be inserted into the nut member 23 and the plunger 24.
And a state in which are connected. It can be easily understood that this structure can be disassembled as shown in the exploded view of FIG.

The material supply member 13 shown in FIG. 3 is constituted by a syringe-like member containing a middle cylinder, and is used for a highly viscous material (eg, a viscosity of 100 CP or more). In use, the material is supplied by pressing the middle cylinder of the syringe-like member. On the other hand, a material for a low-viscosity material is indicated by reference numeral 13A in FIG.
The material stored inside the member 13A falls naturally by gravity. In other words, the member 13A is used for a material whose viscosity is low enough to fall naturally by gravity.

Further, referring to FIG. 4 which is a side sectional view of FIG. 3, and FIG. 6 which is a perspective sectional view of the chamber member 12 and shows an exploded state, the mounting state of the chamber member 12 can be clearly understood.

In FIGS. 4 and 6, the chamber member 12
The bolts 41 are attached to the right end plate 4 via two diagonal spacers 42, and the plunger 24 and the like facing the chamber 21 are sequentially detachably attached.

FIG. 7 is an exploded view of the cylindrical member 15 of FIG. 4 (however, it shows two nozzles and is different from that of three nozzles of FIG. 4). 8, FIG. 9 showing a nozzle arrangement example diagram, and FIG. 10 showing another nozzle cross section, the shape and the like of the generator (cylindrical member) 15 for atomization generation and other things can be clearly understood.

In FIG. 7, a member indicated by reference numeral 43 is a cylinder main body (cylinder body) attached to the chamber member 12, in which a check valve 45, a spacer small 44a, and a member for rapidly reducing the cross-sectional area of the flow path are provided. Nozzle (or disk; hereinafter, referred to as "nozzle") 46, spacer 44
b and the nozzle 47 are arranged. The sample outlet pipe 20 is attached to an end of the cylindrical body 43 by a nut 48 via a large connector 49 and a small connector 50.

As shown in FIG. 8, for example, the nozzles 46 and 47 have a Laval nozzle-like hole (orifice) 53 in the center of a columnar nozzle body 51 made of a super steel alloy. A central body 52 made of single-crystal diamond (ultra-hard durable material) is integrally buried in the middle of the most sandwiched portion. Here, the minimum diameter of the hole 53 is L1,
Assuming that the inlet diameter is L2 and the outlet diameter is L3, the minimum diameter L1 is in the range of 0.12 to 0.8 m / m, and the relationship of L3> L2 is satisfied.

The nozzles 46, 4
The number and arrangement of 7 are shown, for example, in FIG. That is,
When the atomization is dispersion or crushing, two or three nozzles are arranged (FIG.
The minimum diameter L1 of the nozzle 3 is 0.13 m / m and the hole 53 of the nozzle 47 is
Is set to 0.12 m / m, the nozzle interval L4,
The inlet side interval L5 and the outlet side interval L6 are determined appropriately. still,
In the case of emulsification, only one nozzle needs to be arranged.

FIG. 10 shows another example of the nozzle. In FIG. 10, the nozzle body 54 has an outer diameter D1 of 14 m / m, an inner diameter (inlet and outlet) D2 of 7 m / m, and a length L7 of 21 m / m.
The center body 55 is provided in the form of a pinch by tightening a holding member 56, and the hole (orifice) 57 of the center body 55 is a straight one having a diameter of 0.8 m / m. Have been.

The operation of the above embodiment will be described below.

First, in the case of a sample to be atomized (supply material) having a high viscosity, as shown in FIG. 3, a syringe-like material supply member 13 is used, and an operator manually operates the middle cylinder of the syringe-like member. Press to force the sample to fall. When the viscosity is low, the process is performed using the material supply member 13A shown in FIG.
When the purpose of atomization is emulsification, a cylindrical member 15 with one nozzle is used, and when the purpose is dispersion and crushing, a cylindrical member 15 with two or three nozzles is used.

Next, the pressure and the discharge amount are appropriately set by operating the pressure adjusting dial 9 and the discharge amount lever 10 shown in FIG.
Next, the main switch 11 is switched in, and the air release member 17 is loosened to release the air in the chamber 21. Then, the manual switch 34 is pressed for manual operation, and the automatic switch 35 is pressed for automatic operation (see FIG. 2).

In FIG. 2, when manual operation is performed, the microcomputer 3
From 0, a control signal to the effect that the motor 27 rotates at a rotational speed that becomes the adjustment pressure is output. When the motor 27 rotates, the screw member 22 is rotated by the small pulley 26, the belt 29, and the large pulley 25, and the nut member 23 is moved from an initial position (a position corresponding to the discharge amount) to a compression end position (rightward). Let it. In this case, the rotation of the screw member 22 is smoothly transmitted to the nut member 23 by the ball screw, and the nut member 23 moves efficiently in the axial direction.

At the end position, the light from the light emitting element 33 is
1 is detected, and the rotation of the motor 27 is stopped by a command from the microcomputer 30. After the end of the compression, the nut member 23 returns to the initial position.

On the other hand, the rightward movement of the nut member 23 is the movement of the plunger 24 as it is,
Compress 1 When the chamber 21 is compressed, the material inside flows into the cylindrical member 15 (FIG. 3), which is a generator, and when passing through the holes (orifices) 57 of the nozzles 46 and 47 (FIGS. 7-10), the turbulence due to the compression is generated. It is atomized by a flow, collision or the like, and is taken out from the sample outlet pipe 20.

On the other hand, when the automatic operation is selected, the above-described operation steps are automatically performed continuously by the control of the microcomputer 30 by turning on the automatic switch 35.

Next, when changing the sample (material), it is necessary to atomize the sample in the state of a so-called "contamination-less" pure material. Therefore, the portion that comes into contact with the sample must be washed. For this purpose, first, the material supply member 13 (or 13A) is removed from the chamber member 12, the cylinder member 15 and the sample outlet pipe 20 are removed, and then the chamber member 12 is removed from the main body 2. As shown in FIGS. 3 and 6, if the four bolts 41 are loosened, the two slanted spacers 42 are shifted outward, and the seal 28 is removed to the left, the chamber member 12 is removed from the end plate 4.
Can be easily removed to the right.

To remove the plunger 24 from the screw member 22, the angle member 37 is lifted upward, and the nut member 23 is lifted.
From the notch groove 29 and the notch groove 40 of the plunger end member 38.

As a result, since all members that come into contact with the sample can be removed from the main body, if these members are washed with a molten material and reassembled, a test or experiment for atomization using another sample can be performed one after another.

Since the apparatus of the present invention is small and lightweight, it can be easily subjected to experiments or tests on a table, and is very convenient as a table-type atomizer. Further, it is very convenient to change the pressure and the discharge amount (feed amount) in various ways based on the degree of atomization of the sample.

FIGS. 11 and 12 show the results of using a scattering type viscosity distribution measuring device by laser diffraction.
FIG. 1 shows an experimental example in which a generator cylinder member with one built-in nozzle having an m and a length L7 of 25 m / m was attached, and oil 80 and water 20 (% by weight) were emulsified as a sample.
1 is a pressure of 50 kgf / cm ² , FIG.
The distribution of the particle size at 0 kgf / cm ² is shown. In these figures, the horizontal axis shows the logarithm of the reciprocal of micron as the particle diameter in logarithm, and shows that the particles become much smaller as going to the right, and the vertical axis shows the total proportion (volume) of the particles. . From these figures, it can be seen that the emulsified particles of FIG. 11 with a higher pressure are much smaller than those of FIG. 10 with a lower pressure.

[0046]

According to the present invention, in the case of atomization for emulsification, dispersion or crushing of a material, sample or substance, excellent atomization with a very small particle size is achieved. Further, the atomization treatment can be performed on a table. Furthermore, there is an effect that cleaning is easy and atomization using various types of materials can be performed.

[Brief description of the drawings]

FIG. 1 is a front perspective view of the entire apparatus according to the present invention.

FIG. 2 is a schematic front view of FIG. 1 with a part cut away.

FIG. 3 is a detailed front sectional view of FIG. 1;

FIG. 4 is a side sectional view from the right of FIG. 3;

FIG. 5 is a front sectional view showing another example of the material supply member.

FIG. 6 is an exploded perspective view of a chamber portion of the device according to the present invention.

FIG. 7 is an exploded perspective view of the generator part of the device according to the invention.

FIG. 8 is a schematic sectional view of an example of a nozzle according to the present invention.

FIG. 9 is a cutaway perspective view showing a nozzle arrangement example according to the present invention.

FIG. 10 is an assembled sectional view of another example of the nozzle according to the present invention.

FIG. 11 shows an experimental example according to the present invention, in which the pressure is 50 kg.
FIG. 4 is a particle distribution diagram at f / cm ² .

FIG. 12 shows another experimental example according to the present invention, in which the pressure is 100;
FIG. 4 is a particle distribution diagram at kgf / cm ² .

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Atomizer 2 Main body 3 End plate (left side) 4 End plate (right side) 5 Connecting rod 6 Upper cover 7 Pulley cover 8 Front panel 9 Pressure adjustment dial 10 Discharge amount lever 11 Main switch 12 Chamber member 13 Material (sample) supply Member (for high-viscosity material) 13A Material supply member (for low-viscosity material) 14 Pressure gauge 15 Tube member (generator) 16 Check valve 17 Air release member 18 Air release pipe 19 Sample outlet pedestal 20 Sample outlet pipe 21 Chamber 22 Ball Screw member 23 Nut member 24 Plunger 25 Large pulley 26 Small pulley 27 Motor 28 Seal 29 Belt 30 Microcomputer 31 Optical sensor 32 Optical sensor 33 Light emitting element 34 Manual button 35 Automatic button 36 Ball 37 U-shaped plate member 38 End member 39 Notch groove 40 Notch groove 41 Bolt 42 Sensor 43 Tube body 44a Small spacer 44b Large spacer 45 Check valve 46 Nozzle or disk 47 Nozzle or disk 48 Nut 49 Connector large 50 Connector small 51 Nozzle body 52 Center body 53 Hole 54 Nozzle body 55 Center body 56 Pressing member 57 Hole

────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-7-289870 (JP, A) JP-A-6-198152 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) B01F 3/08 B01F 5/00-5/26

Claims (2)

(57) [Claims] 1. A frame-shaped main body formed by connecting a pair of end plates with a plurality of connecting rods, one end rotatably supported by one end plate and being rotatably supported by the other end plate. A ball-containing screw member having the other end extending toward the ball-threaded member and screwed to the ball-containing screw portion so as not to rotate relative to one of the connecting rods but to be movable in the axial direction thereof. An attached nut member, a plunger connected to a tip of the nut member, a chamber facing an end of the plunger opposite the nut member, and the chamber is formed therein. A chamber member configured to be attachable to the other end plate from the side opposite to the one end plate, a material supply member attached to communicate with the chamber via a check valve, Communicating with the chamber and of the atomized product A cylinder member communicating with the discharge side, an air release member communicating with the chamber and discharging air from the chamber, and a motor member provided on the main body and rotating the ball-containing screw member, wherein the main body is a tabletop Wherein the cylindrical member is provided with an orifice type nozzle for atomizing and generating a material supplied from the material supply member in the chamber. 2. The connection between the nut member and the plunger includes a notch groove formed in a fitting portion between the two, and a chevron plate member inserted into the notch groove. Atomizer.