JPH07232047A - Stirrer and stirring apparatus - Google Patents

Abstract

PURPOSE:To make a raw material flow smoothly and uniformly stir the material in a stirrer for which wire wheels are layered in many stages and used as a wire wheel. CONSTITUTION:Wire wheels 11 produced by bundling wires 13 radiantly are fixed in a stirring shaft 10 in a many stages at equal gaps 14 wherein the shaft is to be inserted into a stirring container 2 and baffle plates 7, 8 baffle having communication holes 7<1>', <8>1 at the centers are fixed in at least one of the gaps 14. A raw material is press-introduced into a flow-in inlet 5 and discharged out of a flow-out outlet 6. Consequently, by the rotation of the wire wheels 11, the raw material is energized toward the outer circumference side by the centrifugal force and yet the raw material flows inward in the gaps where the baffle plates 7, 8 exist since the centrifugal force is small there and flows out to the next division through the communication holes 71, 81 and stirred in the same way in the prior division.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to an apparatus for mixing a liquid with another liquid or powder.

[0002]

2. Description of the Related Art A stirrer using a wire wheel in which wires are radially bound as a stirrer has been filed as Japanese Patent Application No. 5-258609 by the inventor of the present invention. Since the wire of the wire wheel can be made of a wire material having a large tensile strength, it can be used for a stirrer that produces a large centrifugal force by rotating at a large diameter, and also shakes off and cleans adhered substances after stirring work. However, it has the advantage that it can be easily rotated at high speed.

However, since this stirrer has a relatively small resistance to the flow of the raw material in the stirring axis direction, when the raw material is continuously stirred while being pressurized and allowed to flow, part of the raw material passes through the wire wheel. And stirring may be insufficient.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to impart resistance to the flow of a raw material in the stirring axis direction to equalize the stirring.

[0005]

According to a first aspect of the present invention, there is provided a stirrer for solving the above-mentioned problems. A stirrer comprises a wire wheel formed by arranging a large number of wires radially and bundling them at a central portion. In a stirrer that is fixed and rotates the stirring shaft in the stirring container, a plurality of the wire wheels are fixed to the stirring shaft at intervals, an inlet is provided at one end of the stirring container, and an outlet is provided at the other end, A baffle plate having a through hole in the center is arranged at one or more of the intervals and is fixed to the stirring container.

Further, as one of the devices for solving the above-mentioned problems, as described in claim 2, a plurality of wire wheels formed by arranging a large number of wires radially and bundling them at the central portion are arranged at intervals. To fix it to the agitation shaft, install an inflow port at one end of the agitation container and an outflow port at the other end, and arrange a baffle plate with a flow hole in the center at one or more of the above intervals and fix it to the agitation container. A plurality of stirrers are connected in series.

An apparatus capable of supplying raw materials in a timely manner is characterized in that, in claim 2, an additive inlet is provided in a connecting pipe for connecting a stirrer.

[0008]

In the stirrer according to the first aspect, the raw material stirred by the rotation of the wire wheel is sent to the outer peripheral side by centrifugal force, and then flows inward along the deflecting plate that does not generate centrifugal force and deflects it. From the through hole in the center of the plate, it enters the next compartment and is stirred.

According to a second aspect of the present invention, in the agitating device of the second aspect, the operation of the first aspect is continuously performed by each agitator in series.
The stirrer can supply the additive at a proper time from the connection part of the stirrer.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, 1 is a stirrer, 2 is its stirring container, and this stirring container 2 is a combination of three small containers 2 ₁ , 2 ₂ and 2 ₃ , and a seat plate 3 and a lid plate 4 are fixed at both ends. These are provided with a raw material inlet 5 and an outlet 6. Then, on the flange of the connecting portion of the small containers 2 ₁ , 2 ₂ and 2 ₃ , baffle plates 7 and 8 divided in two by a diameter line are fixed together by fastening.
Circulation holes 7 ₁ and 8 ₁ are formed at the centers of the baffles 7 and 8. Further, jackets 2 ₄ , 2 ₅ , 2 for circulating a heating medium or a cooling medium are provided around the outer periphery of the small containers 2 ₁ , 2 ₂ , 2 _3.
Six are provided.

A stirring shaft 10 driven by a motor 9 installed on the cover plate 4 penetrates through the cover plate 4 and extends downward, to which a plurality of wire wheels 11 are fixed. The wire wheel 11 is formed by radially fixing wires 13 to a core tube 12 as shown in FIG. 2. The wire wheel 11 is fixed to the agitation shaft 10 with an appropriate gap 14 in the axial direction and a rotation preventing means. ing. Then, the baffle plates 7 and 8 are arranged in the space 14 formed in the portion where the small containers 2 ₁ , 2 ₂ and 2 ₃ are connected, and as described above, the small containers 2 ₁ , 2 ₂ and 2 ₃ It is fixed by tightening together and divides the inside of the stirring container 2 into three. On the other hand, the stirring shaft 10 is in a state of penetrating by holding a circulation space in the circulation holes 7 ₁ , 8 ₁ .

The deflecting plates 7 and 8 may be non-divided, and in this case, the wire wheel 11 is attached to the stirring shaft 10 and the small containers 2 ₁ , 2 ₂ and 2 ₃ are deflected. The assembling of the plates 7 and 8 must be carried out simultaneously. Further, only one of the two baffles 7 and 8 may be used, or three or more may be used.

In FIG. 1, 15 is a hoisting pin provided at the center of gravity, 16 is a lower leg, 17 is an upper leg, and the hoisting pin 15 is held by a carrier to carry or change the posture of the agitator 1. The lower leg 16 or the upper leg 17 is used for fixing to the floor surface, frame, or the like.

The stirrer 1 can be used alone,
As shown in FIG. 3, a plurality of stirrers 1 ₁ to 1 _n can be connected in series to operate as a stirrer 20. The diameter and density of the wire 13 in the wire wheel 11 and the number of steps of the wire wheel 11 are selected depending on the viscosity of the raw material to be stirred and the state of viscosity change, the hardness of the raw material particles, and the like. As shown in FIG. 1, the upstream side is coarse and the downstream side is dense.

In FIG. 1, the raw material to be agitated is supplied under pressure from the inflow port 5 and discharged from the outflow port 6, and each wire wheel 11 has an arrow A as shown in FIG. The wire 13 is agitated by rotating in the direction. The peripheral speed of the outer end of the wire 13 is 13 to 100 m / sec.
Is set to a high speed, the layer of the raw materials to be mixed is sheared by the wire 13 and a local turbulent flow is generated, and the raw materials are rotated at a high speed and are urged in the outer peripheral direction by the centrifugal force.

However, since the baffle plates 7 and 8 are stationary, the centrifugal force acting on the raw material in the space 14 in which the baffle plates 7 and 8 are arranged is small, and particularly the pressure on the center side is the wire wheel 11. Becomes lower than that of the outer peripheral portion, and due to this pressure difference and the supply pressure applied from the inflow port 5, the raw material is separated by an interval of 14
In the inside, flows in the directions of arrows B and C are generated and sent from the lower chamber to the upper chamber 2 ₂ or 2 ₃ and subjected to the same stirring action in the small chambers 2 ₂ and 2 ₃ to flow out from the outlet 6. To do.

When the stirring action is insufficient with one stirrer 1, or when it is necessary to add a specific new raw material to the mixed raw material at a specific time in consideration of changes in the physical properties of the raw material. As shown in FIG. 3, a plurality of stirrers 1 ₁ to
1 _n are connected in series and used as a stirring device 20. Figure 3
21 is a connecting pipe, for example, the outlet 6 of the preceding stirrer 1 _2.
And connecting an inlet 5 of the agitator 1 ₃ succeeding the inlet 22 provided in the connecting pipe 21 for further addition of new raw material mixture stirred in the feed, connecting the inlet tube 23 thereto.

In this stirrer 20, each stirrer 1 ₁
The number of steps of the wire wheel 11 used for ~ 1 _n , the diameter of the wire 13, the density, etc. can be selected according to the raw material to be treated,
The baffle plates 7 and 8 provide flow resistance, and the motors 9 provided to each of them provide large agitation energy, so that optimum agitation can be performed in a short time.

In FIGS. 1 and 3, the stirrer 1 is a vertical type with the stirring shaft 10 being vertical, but it may be a horizontal type as shown in FIG. In this case, the supply pressure acting on the inflow port 5 may be low, and the internal pressure can be set by the height of the outflow port 6 or the pipe body connected thereto.

[0020]

As is clear from the above description, according to the means of claim 1, the raw material urged to the outer peripheral side by the wire wheel is deflected by the baffle plate, and the flow hole at the center of the baffle plate. Since it is sent to the wire wheel in the next section, the flow of the raw material can be smoothly performed, and a short-circuited flow can be prevented from occurring, and an effect that a uniform mixture can be obtained is obtained.

Further, according to the means of claim 2, claim 1
According to the means of claim 3, the effect of the above can be exerted progressively according to the number of agitators, and a large amount of raw materials can be processed in a short time. The effect is that the required raw materials can be added at various times.

[Brief description of drawings]

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

FIG. 2 shows a wire wheel (a) is a longitudinal sectional view,
(B) is a plan view

FIG. 3 is a front view of the stirring device of the present invention.

FIG. 4 is a front view showing an example of use of a stirrer.

[Explanation of symbols]

1 agitator 2 stirred vessel 2 ₁ to 2 ₃ small container 5 inlet 6 outlet 7 and 8 deflector 7 _1, 8 ₁ passage hole 10 stirring shaft 11 wire wheel 13 wire 14 interval 20 stirrer 21 connecting pipe 22 inlet

Claims (3)

[Claims] 1. A stirrer in which a wire wheel formed by arranging a large number of wires in a radial direction and bound at the center is fixed to a stirring shaft, and the stirring shaft is rotated in a stirring container. Is fixed to the stirring shaft at intervals, an inlet is provided at one end of the stirring container, and an outlet is provided at the other end,
A stirrer characterized in that a baffle plate having a through hole in the center is arranged at one or more of the intervals and fixed to a stirring container. 2. A plurality of wire wheels formed by arranging a large number of wires radially and bundling them at a central portion are fixed to a stirring shaft at intervals, and are introduced into one end of the stirring container and flow into the other end. A stirrer comprising a plurality of stirrers connected in series, each of which has an outlet and a baffle plate having a flow hole in the center thereof and arranged at one or more of the intervals and fixed to a stirring container. 3. The stirrer according to claim 2, wherein a connecting pipe for connecting the stirrer is provided with an additive injection port.