JPH10215858A - Stirring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a stirring device capable of equally supplying air to all of eliminating chips in a tank and homogeneously mixing the eliminating chips with sewages (or residues) by enabling to dynamically replace the eliminating chips each other in a short time without normally and reversely rotating a stirring shaft. SOLUTION: This stirring device for stirring eliminating chips 14 charged in a tank 1 with a driving motor 2 has a stirring shaft 7 rotated with a driving motor 2 at a prescribed rotational rate, and plural stirring blades 8, 9, 10a, 10b, 11a, 11b, 12a, 12b for stirring the eliminating chips 14 in response to the rotation of the stirring shaft 7 and attached to the stirring shaft 7. The stirring blades 8, 9, 10a, 10b, 11a, 11b, 12a, 12b are disposed in oblique surface-forming shapes so that the positions of the eliminating chips 14 are vertically replaced by the rotation of the rotation shaft 7.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stirrer, and more particularly, to a stirrer which efficiently generates a turbulent flow between a quenching chip put in a tank and a filth or the like to be quenched using the chip. To a stirring device.

[0002]

2. Description of the Related Art There are known stand-alone simple toilets and organic waste treatment apparatuses for effectively breeding bacteria by using an extinguishing chip and extinguishing dirt and residues. In this type of apparatus, for example, vanishing chips and dirt (or residue) are placed in a cylindrical tank, and sufficient air is supplied to these and vanes or screws are mixed so that the vanishing chips and dirt are mixed well. A stirrer for mixing by a conveyor is provided.

Conventionally, in such a stirring apparatus, dirt (or residue) and an extinguishing chip introduced from the upper part of a tank are stirred by a round bar or a plate-like blade radially attached to a stirring shaft driven by an electric motor. Was. Specifically, the number and positions of the blades are determined in consideration of the stirring efficiency, the resistance applied to the blades, and the like. In addition, by repeatedly repeating the normal rotation and the reverse rotation of the stirring shaft, it has been devised that the waste (or residue) and the chip for extinction are effectively mixed.

[0004]

However, in such a stirring device in the prior art, waste (or residue) is not provided.
And the chip for extinction were not sufficiently agitated. That is, in the conventional stirrer, a round bar or a plate is simply attached to the stirrer shaft to form a stirring blade, and the stirrer is rotated in a short time by repeating normal rotation and reverse rotation so as to mix the waste (or residue) with the chip for disappearance. Had gone. However, in such a structure, the upper part of the tank,
It is incomplete to replace the upper and lower extinguishing chips in the middle or lower layer, and it has been extremely difficult to dynamically change the position of each extinguishing chip. Therefore, air is not evenly supplied to the entire extinguishing chip in the tank, so that the original performance of the extinguishing chip cannot be sufficiently obtained, and the extinguishing chip and the waste (or residue) are not mixed without variation. As a result, the capability of eliminating waste (or residue) of the entire apparatus is significantly reduced. In addition, since the structure performs the forward / reverse rotation, the power consumption is increased and the durability of the device is reduced.

[0005] The present invention solves the above-mentioned problems of the prior art, and makes it possible to dynamically replace the positions of individual extinguishing chips in a short time without reversing the agitation shaft, thereby reducing the amount of water in the tank. It is an object of the present invention to provide a stirrer in which air is evenly supplied to the entire chip for extinction and the mixture of the chip for extinction and dirt (or residue) without variation.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a stirrer which stirs an extinguishing chip put in a tank by a driving device having an electric motor.
It has a stirring shaft that is driven to rotate at a predetermined speed by an electric motor of a driving device, and a plurality of blades that are attached to the stirring shaft and stir the vanishing chips in accordance with the rotation of the stirring shaft. These blades have a shape in which an oblique slope is formed so that the position of the extinguishing chip is switched up and down by rotation of the stirring shaft.

According to the present invention, the blade has a substantially inverted V-shaped cross section.

Further, according to the present invention, the above-mentioned stirring shaft is attached to the stirring shaft at a predetermined angle obliquely upward with respect to the bottom surface of the tank to move the extinguishing chip in the direction of the center of the circle. One blade and a plurality of second blades are attached to the stirring shaft at a predetermined angle obliquely downward with respect to the bottom surface of the tank to move the chip for extinguishing in the centrifugal direction.

Further, according to the present invention, at the lowermost end of the stirring shaft, the third blade for pushing up the extinguishing chip at the bottom of the tank is provided in the horizontal direction with respect to the bottom surface of the tank. Attached to.

Further, according to the present invention, a plate-like fourth blade for moving the extinguishing chip around the stirring shaft in the centrifugal direction in the longitudinal direction of the stirring shaft is attached.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a stirring device according to the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a cross-sectional view showing the internal structure when the stirring device according to the present invention is applied to a processing device for processing wastes and residues. The stirrer according to the present embodiment includes a cylindrical tank 1 in which an extinguishing chip 14 for effectively breeding bacteria for treating wastes and residues is filled up to a position indicated by a dotted line 100 in advance. Inside the tank 1, a plurality of agitating blades 8, 9, 10a, 10 for effectively agitating the extinguishing chips 14 and the dirt and residues input from the input port 15 are provided.
b, 11a, 11b, 12a, and 12b are attached to the stirring shaft 7.

The stirring shaft 7 is rotatably supported by a bearing 6 fixed to the upper lid 5 of the tank 1. That is, the portion of the stirring shaft 7 protruding from the upper lid 7 is connected to the drive chain and the drive sprocket 4, and is rotated by the drive motor 2 via the speed reducer 3 at a predetermined torque and rotation speed. The stirring blades 8, 9, 10a, 10b, 11a, 11b,
12a and 12b rotate. Although not specifically shown in FIG. 1, a plurality of holes may be formed in the longitudinal direction of the stirring shaft 7, and air may be sent into the tank 1 through the holes.

The stirring blade 8 is a stirring blade for moving the extinguishing chips 14 and dirt near the bottom surface 1b of the tank 1 in the rotation direction or upward, and as shown in FIG. Mounted horizontally to

The stirring blades 10a and 10b are attached to the upper portion of the stirring blade 8, and stir the extinguishing chips 14 and the filth in the lower layer of the tank 1. The stirring blade 10a has a bottom surface 1b.
In contrast, the tip is fixed to the stirring shaft 7 so that the tip is obliquely downward, and the stirring blade 10b is fixed to the stirring shaft 7 such that the tip is obliquely upward with respect to the bottom surface 1b.
Thus, by attaching the stirring blades 10a and 10b obliquely upward or downward, the stirring blade 10a moves the extinguishing chips 14 and dirt in the centrifugal direction, and the stirring blade 10b moves in the centrifugal direction. 14 and filth etc. are moved.

Similarly, agitating blades 11a and 11b for agitating the tip 14 for eliminating a middle fault in the tank 1 and filth,
Stirring blades 12a and 12b for stirring the tip 14 for eliminating the upper fault and the waste are attached to the stirring shaft 7. In addition, a plate-like stirring blade 9 that moves the extinguishing chip 14 and wastes around the stirring shaft 7 in the centrifugal direction is attached in the longitudinal direction of the stirring shaft 7. Furthermore, the inner wall 1a of the tank 1
Is mounted with three bar-shaped protrusions 13 having a triangular cross section. The protrusions 13 move the extinguishing chips 14 and dirt near the inner wall 1a in the direction of the center of the circle.

FIG. 2 is a layout diagram showing the mounting positions of the respective stirring blades when the stirring device shown in FIG. 1 is viewed from above. FIG.
As shown in the figure, the stirring blades 10a, 10b, 11a, 11
b, 12a and 12b have the same reference numerals (10, 1
The blades of (1) and (12) are radially mounted at an angle of 180 degrees and adjacent blades at an angle of 60 degrees. Further, the stirring blade 8 is attached to the middle of the stirring blades 11a and 12b, and the stirring blade 9 is attached to the middle of the stirring blades 12a and 12b. Further, the protrusion 13 is fixed to the inner wall 1a at an angle of 120 degrees. In addition, as shown in FIG. 2, in this embodiment, the stirring shaft 7 is rotated in the clockwise direction indicated by the arrow H, but the rotation direction is not particularly limited to the clockwise direction.

FIG. 3 is a front view (a) and a side view (b) showing the structure and shape of the stirring blade 8. The stirring blade 8 is formed by combining a stirring member 8a having an inverted V-shaped side surface and a reinforcing member 8b having an inverted V-shaped side surface for reinforcing the same. The stirring member 8a is bent at an angle β of, for example, 150 degrees, and a reinforcing member 8b is fixed to an upper portion thereof. The reinforcing member 8b is
The length is shorter than the stirring member 8b, and the angle α is bent at 90 degrees.

FIG. 4 shows the stirring blades 10a, 10b, 11a,
It is the top view (a) which shows the structure and shape of 11b, 12a, 12b, the front view (b), and the side view (c). As shown in these figures, each of the stirring blades 10a to 12b has an inverted V-shape which is bent at an angle γ (= 120 °), for example, and a column 20 is mounted inside thereof. The column 20 is a reinforcing member for reinforcing the stirring blades 10a to 12b, and has a diameter d of, for example, 27φ.

As shown in FIGS. 1 to 4, the stirring shaft 7 has stirring blades 8, 9, 10a, 10b, 11a, 11b, 12
a, 12b is attached and the projection 13 is provided, so that filth (or residue) input from the input port 15
Are mixed with the disappearing tip 14 while being moved in the rotation direction H (see FIG. 2). In other words, the turbulent projections 13 arranged on the inner wall 1a of the tank 1 are caused by the agitating blades 10a, 11a and 12a to cause the vanishing chips 14 or dirt moved in the centrifugal direction to flow back slightly inward. Flip around. Further, the stirring blades 8, 9, 10a, 10b, 11a, 11b, 12a,
Above each blade 12b, the extinguishing tip 14, dirt, and the like move up and down, move toward the tank inner wall 1a in the centrifugal direction, or move in the direction of the center of gravity toward the stirring shaft 7.

In this embodiment, as shown in FIG. 1 and FIG. 2, by simultaneously agitating at different positions of the upper stage, the middle stage, the lower stage, and the lowermost end, the agitation is performed simultaneously and the extinguishing chip 14 and the waste Etc. is to accelerate the mixing.

FIGS. 5, 6, 7, and 8 show stirring blades 8,
Stirring blades 10a, 10b, 11a, 11b, 12a, 1
FIG. 2B is an explanatory view showing a state in which the extinguishing chip, filth, and the like are stirred by the stirring blade 9b and the projection 13;

In FIG. 5, when the stirring blade 8 is rotated in the direction of arrow I, the extinguishing chip 14 and filth located at the front of the stirring blade 8 have an inverted V-shape, so that the top and bottom as shown by the arrow K. Be replaced. In addition, the extinguishing chips 14 and the filth just below the stirring blade 8 are moved in the arrow J direction.

In FIG. 6, the stirring blades 10a, 10b,
When 11a, 11b, 12a and 12b rotate in the direction of arrow L, the extinguishing chip 1 located in front of these stirring blades
As shown by the arrow L, the upper part and the lower part of 4 and the filth are replaced by the inverted V-shape. In addition, the extinguishing chips 14 and wastes directly below these stirring blades are moved in the arrow M direction. Further, the stirring blades 10a, 11a, 12a
a (in the direction of arrow O), the extinguishing tip 14 and the filth are moved, and the stirring blades 10b, 11b, 12b
(In the direction of arrow P) of the extinguishing tip 14 and the filth.

For example, referring to FIGS. 1 and 6, the tip 14 moves toward the inner wall 1a of the tank 1 because the tip of the stirring blade 10a in FIG. 6, the tip 14 is moved upward in the rotation direction L around the blade 10a. Further, in the stirring blade 10b provided at a position opposite to the stirring blade 10a, the tip 14 is moved from the outermost end of the blade 10b toward the center toward the stirring shaft 7, that is, toward the center. Tip 14 on L and above
To move. Further, the stirring blades 11a, 11b and 1
The blades 2a and 12b have a similar stirring function.

Further, as shown in FIG. 7, the stirring blade 9 moves the extinguishing chip 7 and dirt around the stirring shaft 7 in the rotation direction indicated by the arrow Q, or moves the stirring shaft 7 as indicated by the arrow S. Move outward. As a result, the extinguishing chips 7 and dirt around the stirring shaft 7 do not stop at that position, and the tank 1
Move in. Further, as shown in FIG. 8, the protrusion 13 can generate a turbulent flow as shown by an arrow S in the chip 7 for extinction, filth, and the like. Therefore, if the present embodiment is used for the purpose of mixing the extinguishing chip 7 and the waste, the positions can be switched evenly and in a short time.

In this embodiment, the speed of mixing by agitation will be compared and explained. In FIG. 1 and FIG. 2, the blades 10b, 11b, and 12b with the leading end are omitted, and the blade 10a with the leading end is omitted. , 11a and 1
Cases where 2a is leveled are also conceivable, but in these cases (especially not shown) it is clear that they lack the ability to move toward and away from the center. Specifically, in the present embodiment, opposing blades 10a, 1
By providing 0b, 11a, 11b and 12a, 12b (see FIGS. 1 and 2), there is approximately twice the mixing capacity.

Although the preferred embodiments of the present invention have been described above, the present invention is not particularly limited to the above-described embodiments, and various modifications or alterations easily conceived by those skilled in the art are included in the scope of the present invention. include. That is, for example, the stirring blades 8, 10a, 10b, 11a, 11b and 1
2a and 12b are inverted V-shaped in this embodiment,
A similar stirring function may be used, and for example, a "C" shape may be used. In addition, it is possible to stir even if water and the chips 14 are mixed and put in the tank 1, and it goes without saying that these are also included in the scope of the present invention.

[0028]

As described above in detail, according to the present invention, the positions of the individual extinguishing chips can be quickly set without turning the stirrer shaft forward / reverse, and the lower one can be placed on the upper one. Can be dynamically swapped below, the outer one inside and the inner one outside. Therefore, air can be evenly supplied to the entire chip for extinction in the tank, and the chip for extinction and the waste (or residue) can be efficiently mixed without variation. It can be dramatically improved.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional front view showing an internal structure of an embodiment of a stirring device according to the present invention.

FIG. 2 is an arrangement diagram showing an arrangement of stirring blades when viewed from above in the stirring device shown in FIG. 1;

3 is a front view (a) and a side view (b) showing the structure and shape of the stirring blade 8 shown in FIG.

FIG. 4 shows stirring blades 10a, 10b, 11 shown in FIG.
Top view (a), front view (b), and side view (c) which show the structure and shape of a, 11b, 12a, 12b.

FIG. 5 is an explanatory view showing a stirring operation of a stirring blade 8 shown in FIG.

FIG. 6 shows stirring blades 10a, 10b, 11 shown in FIG.
Explanatory drawing which shows the stirring operation of a, 11b, 12a, 12b.

FIG. 7 is an explanatory view showing a stirring operation of the stirring blade 9 shown in FIG.

FIG. 8 is an explanatory view showing a stirring operation of the projection 13 shown in FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Tank 2 Drive motor 3 Reduction gear 4 Drive chain and drive sprocket 5 Top lid 6 Bearing part 7 Stirring shaft 8, 9, 10a, 10b, 11a, 11b, 12a, 1
2b stirring blade 13 protrusion 14 tip for disappearing 15 inlet

Claims (5)

[Claims] 1. A stirrer for stirring an extinguishing chip put in a tank by a driving device provided with an electric motor, wherein the stirring shaft is driven to rotate at a predetermined speed by an electric motor of the driving device; A plurality of blades that are attached to a shaft and agitate the annihilation chip in accordance with the rotation of the agitation shaft; the blades are oblique so that the position of the annihilation chip is switched up and down by rotation of the agitation shaft. A stirring device having a shape in which a slope is formed. 2. The stirrer according to claim 1, wherein said blade has a substantially inverted V-shaped cross section. 3. The stirrer according to claim 1, wherein the stirring chip is attached to the stirring shaft at a predetermined angle obliquely upward with respect to a bottom surface of the tank, so that the extinguishing chip is circular. A first blade that moves in the center direction, and a second blade that moves the extinguishing chip in the centrifugal direction by being attached to the stirring shaft at a predetermined angle obliquely downward with respect to the bottom surface of the tank. A stirrer characterized by being mounted in a plurality of stages. 4. The stirring device according to claim 3, wherein a third blade is attached to a lower end of the stirring shaft in a horizontal direction with respect to a bottom surface of the tank. A stirrer characterized in that the vanishing chip at the bottom of the tank is pushed up by a blade. 5. The stirring device according to claim 4, wherein a fourth plate-like blade is attached in a longitudinal direction of the stirring shaft, and the extinguishing chip around the stirring shaft is attached by the fourth blade. A stirrer, which is moved in a centrifugal direction.