JPH08131998A - Garbage treatment apparatus - Google Patents

Abstract

PURPOSE: To accelerate the mixing and stirring of garbage and a treatment medium by efficiently cutting and grinding charged large garbage. CONSTITUTION: A stirring wheel 3 is formed by stretching a large number of stirring blades 3c between the peripheral edge parts of circular side plates 3l, 3r so as to provide a predetermined interval between them in the peripheral direction of both side plates 3l, 3r and the bottom wall 2a of a treatment tank 2 is formed into a semicylindrical shape allowed to approach the stirring wheel 3 so as to be positioned along the revolving region of the stirring wheel 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a garbage disposal device for decomposing garbage (garbage) generated in a kitchen by the action of microorganisms.

[0002]

2. Description of the Related Art As a method for treating kitchen waste that is generated every day in kitchens such as general households and restaurants, there is a method utilizing microbial decomposition. This method can contribute to the reduction of the amount of garbage, is useful for reducing the load on the refuse incinerator and the sewage treatment plant, and has been attracting attention as a preferable method from the viewpoint of environmental protection. The kitchen waste processing apparatus by this method is provided with a processing tank for storing a processing medium suitable for the inhabitation of microorganisms, as has been conventionally proposed, and the kitchen waste to be put into the processing tank is operated by an appropriate stirring means. Cutting, crushing,
It is composed so that it is mixed in the processing medium and decomposed by microorganisms.

However, the agitating means in the conventional apparatus is constructed by horizontally disposing a large number of agitating blades around the rotary shaft in the treatment layer, and by rotating this, the agitating blades themselves. In addition, between the stirring blade and the side wall of the treatment layer, the garbage thrown into the treatment layer is cut and crushed, fragmented and taken into the treatment medium, and the mixture is stirred and mixed.

[0004]

However, in this structure, the stirring blades are only provided radially around the shaft, and there is a wide gap between the stirring blades, and the crushing effect, stirring, and mixing effect are low, The decomposition of the processing medium is delayed and the processing medium absorbs the water generated by the decomposition, and if the processing medium is sticky, the processing medium outside the rotation range is compacted together with the pressing action accompanying the rotation of the stirring blade. A coagulation layer is formed on the surface, the mixing of the processing medium with the kitchen waste is limited within the rotation range of the stirring blade, it is not diffused beyond that range, and it is pressed when the processing medium is replaced. However, there is a problem that it is not easy to discharge this.

The present invention has been made in view of the above circumstances, and an object of the present invention is to enhance the cutting and shredding functions of garbage, prevent the formation of a coagulation layer, and prevent the formation of a processing medium in the processing layer. An object of the present invention is to provide a kitchen waste processing apparatus capable of efficiently performing agitation and mixing of the food and the kitchen waste and easily exchanging the processing medium.

[0006]

According to a first aspect of the present invention, there is provided a garbage disposal apparatus, in which garbage is thrown into a processing tank containing a processing medium and stirred by a stirring wheel provided in the processing tank. In the kitchen waste processing apparatus for decomposing kitchen waste thrown in by the activity of microorganisms living in the processing medium, the stirring wheel is provided with a plurality of stirring blades passed between the peripheral portions of both side plates in the circumferential direction of the side plate. It is characterized by being.

In the kitchen waste processing apparatus according to the second aspect of the present invention, the bottom wall of the processing tank is formed into an arcuate curved surface along the rotation range of the stirring wheel.

[0008]

In the first aspect of the invention, the large-sized kitchen waste is moved to one side wall side of the treatment layer with the rotation of the stirring wheel, and is clamped and cut between the side wall and the side wall. The cutting operation can be performed effectively.

According to the second aspect of the invention, since the bottom wall of the processing layer is positioned near the lower peripheral edge of the stirring wheel by this, the processing medium is almost completely compacted by the rotation of the stirring wheel. Therefore, drainage and removal of the treatment medium can be performed quickly.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing the embodiments. FIG. 1 is a side sectional view of a kitchen waste processing apparatus according to the present invention, and FIG. 2 is a sectional view taken along the line II-II of FIG. Shows a drainage tank. A treatment tank 2 is disposed in the outer box 1, and a stirring wheel 3 is horizontally supported in the treatment tank 2 in a horizontal position.
The drainage tank 4 is disposed below the bottom wall of the.

The outer box 1 is formed in a hollow rectangular parallelepiped shape, and a central portion of its top plate is opened, and a shooter 5 is installed in this opening. The shooter 5 has a wide opening on the upper side and a narrow opening facing the inside of the processing layer 2 on one side of the lower side, and is formed in a tubular shape having a sliding plate 5c diagonally downwardly connecting the both openings. The upper opening is a kitchen throwing port 5a opened and closed by an outer lid 1a provided on the top plate, and the lower end opening is a kitchen dropping port 5b opened and closed by a shutter plate 5d.

The shutter plate 5d is weakly urged by a tension spring in a direction to close the kitchen drop port 5b, and the sliding plate 5d.
It is designed to be released by the weight of the kitchen waste that slid down c. The processing tank 2 is open at the top, and the shooter 5
Bottom wall 2a that opens toward the kitchen drop port 5b and has a semi-cylindrical shape that is concentric with the cylinder that is the rotation trajectory of the stirring wheel 3 at the bottom.
Are formed.

A fixed blade 2b is fixed to the end of the cylindrical portion of the bottom wall 2a so as to extend over substantially the entire length of the stirring wheel 3 in the axial direction, and as shown in FIG. 2, a position slightly higher than the lowermost bottom portion. Drainage port 2c is opened on the side wall of the
Is connected to the upper end of a drainage pipe 6 arranged between the outer case 1 and the treatment layer 2. The lower end of the drainage pipe 6 is made to extend in the vicinity of the bottom wall of the outer casing 1 and protrudes outward of the side wall of the outer casing 1. One end of a drainage hose 6a is connected to the lower end of the drainage pipe 6 and the other end thereof is connected. Is connected to the drainage tank 4.

FIG. 3 is a perspective view of the agitator wheel 3.
Is a circular shaft 3 at the center of the left and right side plates 3l and 3r.
a is pierced, and a reinforcing ring 3b is interposed between the peripheral portions of the both side plates 3l, 3r to provide a plurality of stirring blades 3a.
c and 3d are arranged in the circumferential direction at substantially constant intervals.

The left and right side plates 3l, 3r are provided with water drain holes 3g at their circumferential middle portions at substantially constant intervals in the circumferential direction. As shown in FIG. 1, the cross-sections of the stirring blades 3c and 3d are gently curved, and the direction of the blades is set at a predetermined angle θ with respect to the radial direction.
The outer edge is provided as a cutting blade for rough kitchen waste only by being inclined in the circumferential direction.

The stirrer 3 as described above is arranged with its shaft 3a aligned with the center of curvature of the semi-cylindrical bottom wall 2a of the processing tank 2. One end of the shaft 3a protruding to the outside of the left side plate 3l is pivotally supported by a bearing 2d provided on the side wall of the processing layer 2, and the other end of the shaft 3a protruding to the outside of the side plate 3r is connected to the side wall of the processing layer 2. The pulley 3e is pivotally supported by the bearing 2e provided.
The pulley 3e is fixed to the output shaft of a motor M arranged at the bottom of the outer casing 1 via a belt 3h, and is driven by the motor M to rotate in the arrow direction. The other F is an exhaust fan.

Next, the operation of the embodiment will be described. The outer lid 1a is opened, and the garbage that is thrown into the slide plate 5c of the shooter 5 from the garbage input port 5a slides down along the slide plate 5c, pushes the shutter 5d open, and enters the processing tank 2 through the garbage drop port 5b. To fall. The motor M and the exhaust fan F are driven for a predetermined time by closing the outer lid 1a and turning on an operation switch (not shown).

When the kitchen waste that has dropped into the processing tank 2 is small, it falls onto the processing medium A through the agitating blades 3c and 3d of the agitating wheel 3 and mixes and agitates with it as the agitating wheel 3 rotates. Being done. On the other hand, the garbage that is larger than the gap between the stirring blades 3c and 3d is placed on the stirring blades 3c and 3d and carried to one side of the processing layer 2, and is sandwiched between the fixed blade 2b and cut to be shredded. Similarly, it falls into the processing medium A between the stirring blades 3c and 3d, and is mixed and stirred with this. Since the bottom wall 2a of the processing tank 2 is formed so as to be close to it along the rotation range of the stirring wheel 3, most of the processing medium A should be located inside the stirring blades 3c, 3d of the stirring wheel 3. Therefore, the processing medium A in the processing tank 2 is constantly stirred over the whole area, and the stirring effect is enhanced.

Further, due to the rotation of the stirring wheel 3, a pressing force is exerted between the stirring wheel 3 and the bottom wall 2a by the stirring blades 3c and 3d, but the bottom wall 2a is positioned close to the rotation range of the stirring wheel 3. Therefore, even if the treatment medium A contains water, it is not compacted, and even if compacted, the solidified layer is thin and easily peeled off.

The apparatus of the present invention, after finishing the above-mentioned operation when throwing in the garbage, performs a standby operation until the next time when the garbage is thrown in, and the garbage mixed in the processing medium A is decomposed during this period. . The treatment medium A is a porous wood piece and has an environment suitable for the inhabitation of microorganisms. The kitchen waste is brought into the treatment medium A together with these and the final product is produced by the activity of the microorganisms inhabiting the treatment medium A. It is decomposed into barrel water (H ₂ O) and carbon dioxide gas (CO ₂ ).

Excessive water generated by the decomposition process passes between the stirring blades 3c and 3d of the stirring wheel 3 and also to the left and right side plates 3.
The water is collected in the bottom wall of the treatment tank 2 through the water drain holes 3g of 1 and 3r, from which it is discharged to the outside through the drain port 2c, the drain pipe 6 and the drain hose 6a, and is guided to the drain tank 4.

FIG. 4 is a perspective view showing another example of the agitating wheel. In the agitating wheel 3, the blade tips of the agitating blades 8c and 8d are saw-toothed in a triangular shape in plan view. The other configurations are substantially the same as those of the stirring wheel shown in FIG. 3, and the corresponding parts are denoted by the same reference numerals and the description thereof is omitted. In such a stirrer wheel 3, the blade edges of the stirring blades 8c and 8d are formed in a triangular saw tooth shape, so that the function of locking the kitchen waste is enhanced, and the cutting efficiency with the fixed blade is enhanced accordingly.

FIG. 5 is a perspective view showing still another example of the stirring wheel 3. In this stirring wheel 3, the stirring blades 9c and 9d are tilted at a predetermined angle with respect to the shaft 3a, in other words, the side plate. Three
The fixed positions for l and 3r are shifted in parallel to the circumferential direction. The other configuration is substantially the same as that shown in FIG.
Corresponding parts are assigned the same numbers and explanations thereof are omitted. By using such inclined stirring blades 9c and 9d, the cutting resistance against the garbage becomes small, and smoother cutting and crushing can be performed.

[0024]

According to the first aspect of the invention, since a plurality of agitating blades are provided in the circumferential direction of the side plates, the agitating wheels are provided on the peripheral portions of the both side plates. Therefore, when the thrown garbage is large. However, a plurality of stirring blades quickly cut and crush it into small pieces, and the large garbage is not cut, and the inconvenience of remaining and decomposition is eliminated.

In the second aspect of the invention, the bottom of the processing tank is formed into a circular curved surface along the rotation range of the stirring blade in the stirring wheel, so that the processing medium is compacted under the rotation range of the stirring wheel. The solidified layer is not formed, and the kitchen waste and the processing medium are smoothly mixed and stirred, and the decomposition is promoted.

[Brief description of drawings]

FIG. 1 is a side sectional view of a garbage processing device according to the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a perspective view of a stirring wheel.

FIG. 4 is a perspective view showing another example of a stirring wheel.

FIG. 5 is a perspective view showing still another example of the stirring wheel.

[Explanation of symbols]

 1 Outer Box 2 Processing Tank 3 Stirring Wheel 3a Shaft 3c, 3d Stirring Blade 3l, 3r Side Plate 4 Drain Tank 5 Shooter

Claims (2)

[Claims] 1. Garbage is thrown into a treatment tank containing a treatment medium, stirred by a stirrer provided in the treatment tank, and thrown in by the activity of microorganisms living in the treatment medium. In the kitchen waste processing apparatus for disassembling, the kitchen car is provided with a plurality of agitating blades provided between the peripheral portions of the side plates in the circumferential direction of the side plates. 2. The garbage disposal according to claim 1, wherein the bottom wall of the processing tank is formed into an arcuate curved surface along the rotation range of the stirring wheel.