JPH06262050A - Wet type medium dispersing machine - Google Patents

Abstract

PURPOSE:To control movement of a medium in the shaft direction in a treating tank in a wet type medium dispersing machine. CONSTITUTION:A rotating body 11 is provided so as to form an annular space between the inner wall 10 in a treating tank 1. This rotating body 11 is constituted by connecting a plurality of divided rotating body elements with each other in the shaft direction. Guide projections 14a..., 14b..., 14c..., each with a different angle of inclination in the rotating direction are provided on the peripheral faces of these rotating body elements. A medium stored in the treating tank is moved with a different amt. of movement in the shaft direction in accordance with each or guide projections 14a, 14b and 14c by rotating the rotating body 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wet medium disperser in which a treatment material is made into fine particles using a medium and dispersed in a liquid.

[0002]

2. Description of the Related Art The applicant of the present application has provided a wet medium dispersion machine which is capable of performing dispersion treatment in a state where a medium is present in a treatment tank in a substantially uniform manner in the axial direction, and has been well-received. (Fairy No. 4-70050). This wet medium disperser is provided with a rotating body in the processing tank, and a retreat guide surface inclined to the rotation direction so as to retreat the mixture of the processing material and the medium to the supply port side on the peripheral surface of the rotating body, and A guide member having an advancing guide surface for advancing the mixture to the outlet side is provided.

The above-mentioned wet medium disperser can perform a suitable dispersion treatment, but depending on the type of processing material, the properties such as viscosity, the number of revolutions of the rotating body, and other conditions, the state of deviation of the medium in the processing tank may occur. It was different. Generally, since the processing material is supplied from the supply port into the processing tank by the supply pump, the mixture of the processing material and the medium tends to collect on the outlet side.

[0004]

DISCLOSURE OF THE INVENTION It is an object of the present invention to adjust the amount of axial movement of a mixture of a processing material and a medium in a processing tank in a medium dispersing machine as described above so as to eliminate the deviation. Another object of the present invention is to provide a wet medium dispersion machine.

[0005]

According to the present invention, a guide protrusion having a side surface inclined in the rotation direction is provided on the peripheral surface of a rotating body provided in the treatment tank, and the inclination of the guide protrusion is provided to the supply port of the treatment tank. To a discharge port, a wet medium dispersing machine is provided, and the above object is achieved.

[0006]

The mixture of the treatment material and the medium may be partly biased depending on the properties of the treatment material and the operating conditions. Therefore, in the portion where the mixture is likely to gather, the guide protrusions having large side surface inclination angles are used to supply the mixture to the supply port side. The amount of the mixture to be returned may be increased or the amount of the mixture advancing to the discharge port side may be increased by using a guide projection having a gentle inclination angle in a portion where the mixture advances slowly.

[0007]

The present invention shows a horizontal type wet medium disperser in the embodiment shown in the drawings, but it can also be applied to a vertical type device. In the figure, a processing tank (1) has a supply port (2) into which a processing material supplied by a supply pump (not shown) flows, and an exhaust port for discharging the dispersion-processed processing material at the other end. It has (3). In place of the treatment tank (1), glass beads, ceramics, etc. housed in the treatment tank,
Alumina, zirconia, steel and other media (beer
An extraction port (not shown) is provided so as to extract the liquid crystal from the processing tank.

The discharge port (3) is provided with a medium separating device for separating the medium (4) from the processing material,
In the figure, a gap type separator consisting of a rotor (5) and a stator (6) is shown.
Type and other known appropriate devices can be used.

A jacket (7) is provided on the outer periphery of the treatment tank (1), and water or other temperature adjusting medium introduced from the inflow port (8) is circulated around the outer periphery of the treatment tank (9). ).

A cylindrical rotating body rotatably proximate to the inner wall (10) of the processing tank (1) so as to form a narrow annular dispersion zone in which the medium can move, with respect to the inner wall (10). (11) is provided. The rotating body (11) is fitted in a rotation shaft (12) connected to a drive source in a rotation-stopped state and fixed by a bolt (13), and is rotated by the shaft (see FIG. 2). It can also be rotated by an electromagnetic induction action by a rotation induction magnetic field or other appropriate method.

Guide protrusions (14) having a side surface inclined to the rotation direction of the rotating body (11) on the peripheral surface of the rotating body (11)
・ Is provided. In the figure, the guide protrusion (14) has a substantially parallelogram-shaped cross section by providing an oblique groove (15) spirally winding the outer periphery of the rotating body (11) and a lateral groove (16) extending in the axial direction on the entire circumference. Although it is formed in (see FIG. 3), the lateral groove
Even if the (16) is formed as an inclined groove (not shown) which is inclined in the opposite direction to the inclined groove (15) and is wound around the rotating body, the guide protrusion having a parallelogram-shaped cross section can be provided. The shape of the guide protrusion can be formed in an appropriate shape other than the embodiment shown in the drawing. .

As shown in FIG. 3, the guide protrusions (14) are
Of the inclined side surfaces, the side surface facing the supply port (2) acts as a backward guide surface (17) for retracting the medium (4) toward the supply port when the rotating body (11) rotates. However, the other side surface facing the rotation direction or the discharge port (3) direction acts as a forward guide surface (18) for guiding the medium in the rotation direction or the discharge port direction, and the outer surface (19) of the guide protrusion. Has a function of guiding the medium (4), which has been moved by the guide surfaces (17) and (18), between the medium (4) and the inner wall (10) to give a strong grinding force to the treated material.

As shown in FIG. 3, the movement of the medium toward the supply port side by the guide projections (14) changes depending on the inclination angle (α) of the backward guide surface (17) inclined in the rotation direction. In the invention, as shown in FIG. 1, the inclination angle (α) is appropriately changed between the supply port (2) and the discharge port (3). The mode of the change can be appropriately set according to the property of the treated material and the operating state. For example, in the embodiment shown in FIG. 1, the rotating body (11) is divided into three zones (11a), (11b), (11c)
Guide protrusions (14a) with different inclination angles, (14b)
・ ・ ・, (14c) ・ ・ ・ are provided, and the zone (11
Compared with the guide protrusion (14a) of a), the inclination angle of the guide protrusion (14c) of the zone (11c) on the discharge port (3c) side is formed to be larger toward the supply port (2) side. The amount of medium that moves back is increased. The forward guide surface (18) may be changed in inclination angle to control the forward movement amount, or the lateral groove
The phase in the circumferential direction of (16) may be provided so as to be shifted for each zone (11a), (11b), (11c), and movement of the medium may be controlled during transition to each zone.

When the rotating body (11) is manufactured by the lost wax method or other casting process, three zones (11a),
Although (11b) and (11c) can be integrally molded,
As shown in Fig. 4, each of the zones (11a), (11b), (11c) is divided into a plurality of parts in the axial direction, and the rotor elements (11a), (11b), (11
It is preferable to configure as c). In this way, by dividing into multiple rotary body elements, each rotary body element (1
Guide protrusions (14a), (14b), provided on the peripheral surface of (1a), (11b), (11c),
(14c) ... Can be easily formed by changing the inclination angle by cutting, and various rotary body elements can be prepared.

The rotating body elements (11a), (11b), (11c) constructed by dividing as described above are fitted into the rotating shaft (12) and fastened by the bolts (13) to be connected. If it does so, it will be integrated and the rotating body (11) can be constituted. At this time, by changing the fitting order or preparing a plurality of rotary body elements having guide projections with different inclination angles in advance, selecting the required one and mounting it on the rotary shaft (12), the axial direction of the medium The movement of can be variously changed and controlled to a desired state. In the embodiment shown in FIG. 1, the rotor element (11a),
An annular groove (20) is formed between (11b) and (11c).
You may comprise so that (20) may not be provided.

[0016]

The present invention is constructed as described above, and the inclination angle of the side surface of the guide projection formed on the peripheral surface of the rotating body is appropriately changed between the supply port and the discharge port. It is possible to control the amount of movement of the medium through a narrow annular dispersion zone between the inner wall and the inner wall of the inner wall, and to eliminate the condition that the medium gathers in the treatment tank in a biased manner, so that the medium is substantially uniform throughout the treatment tank. Is present, and the dispersing action can be efficiently achieved.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

FIG. 2 is a sectional view showing a mounting state of a rotating body and a rotating shaft.

FIG. 3 is an explanatory view showing the action of a guide protrusion.

[Explanation of symbols]

 1 Processing tank 2 Supply port 3 Discharge port 10 Inner wall 11 Rotating body 11a, 11b, 11c Rotating body element 14 Guide protrusion 14a, 14b, 14c Guide protrusion

Claims (2)

[Claims] 1. A treatment tank having a treatment material supply port at one end and a discharge port at the other end for accommodating a treatment material and a medium therein, and an annular dispersion zone between the inner wall of the treatment tank. A cylindrical rotating body rotatably provided close to the inner wall so as to form a guide protrusion having a side surface provided on the peripheral surface of the rotating body and inclined with respect to the rotation direction of the rotating body. A wet medium disperser, wherein the inclination of the side surface of the guide protrusion is changed between the supply port and the discharge port. 2. The rotating body is configured by connecting a plurality of rotating body elements that are divided in the axial direction, and guide ridges having different inclination angles in the rotating direction are provided on the peripheral surface of each rotating body element. The wet medium disperser according to claim 1.