JP2003245635A - Garbage disposal apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a garbage disposal apparatus capable of enhancing garbage decomposition efficiency, capable of sufficiently diffusing oxygen throughout matter to be treated to enhance microbial activity and capable of enhancing decomposition efficiency. <P>SOLUTION: A disposal tank formed into a cylindrical shape by a lid plate part, a peripheral plate part and a bottom plate part and having a tank axis turned in a vertical direction is provided. A charging port is provided to the upper part of the disposal tank while a taking-out port is provided to the lower part thereof and a cutting cylinder of which the axis coincides with the tank axis is provided in the disposal tank. A suction port is provided to the lower end of the cutting cylinder and a discharge port is provided in the vicinity of the upper end of the cutting cylinder while a drive mechanism is provided to the disposal tank and a drive shaft rotated by the drive mechanism and having a rotary axis coinciding with the tank axis is provided in the cutting cylinder. A rotary body for feeding the matter to be disposed of toward the discharge hole in the vicinity of the upper end of the cutting cylinder from the suction port provided to the lower end of the cutting cylinder under pressure and stirring and cutting the matter to be disposed of in connection with the discharge port is provided to the drive shaft. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for treating garbage, and more particularly, to an apparatus for treating garbage which decomposes and disposes garbage such as food residues.

[0002]

2. Description of the Related Art Recently, various treatment techniques have been developed in order to effectively use raw garbage consisting of organic waste such as leftover food and residues discharged from restaurants and food processing facilities. The organic substances that make up the garbage are sugars, lipids and proteins mainly composed of the six elements carbon, hydrogen, oxygen, nitrogen, phosphorus and sulfur, and most of them are decomposed into water and carbon dioxide.

Techniques for treating raw garbage consisting of such organic wastes are disclosed in Japanese Patent Laid-Open Nos. 6-15246, 6-247785, 7-94663 and 3028112. There is something to be done.

JP-A-6-15246 and JP-A-6-15246
No. 247785 discloses a garbage processing device,
Two processing tanks are vertically arranged, and agitating shafts with their rotation axes oriented horizontally are provided on the two processing tanks, respectively, and agitators for the processed products are attached to these agitating shafts. It is provided.

Japanese Patent Publication No. 7-94663 and Patent No. 3
In the garbage processing device disclosed in Japanese Patent No. 028112, a cylindrical body is provided in the processing tank so that the cylindrical body is oriented in the up-down direction, the processed material in the lower part of the processing tank is lifted in the cylindrical body, and dispersed and dropped from the upper part into the processing tank. A screw-shaped stirrer is provided in the vertical direction.

[0006]

By the way, there are generally three types of garbage disposal techniques, namely, combustion type, carbonization type (dry type), and microbial treatment type, each of which has advantages and disadvantages.

[0007] The combustion type, which occupies the majority at present, has the advantage of being able to process a large amount, but it is not only the generation of dioxine tetrachloride and the waste of energy resources such as fossil fuel and electricity.
There are problems such as global warming due to the generation of carbon dioxide, a shortage of final disposal sites for odors and combustion ash, and health concerns of local residents.

Although the carbonized type does not generate dioxin, it has a problem of odor, and a large amount of energy resource is required for not burning, so that it has a problem of affecting the environment. In addition, the carbonized type has a problem that its range of use is limited as compost because it becomes alkaline at the same time as carbonization.

In the microbial treatment type, resources can be recycled by composting (composting), which is good for the environment, but a large amount of water used for odor control, a slow treatment speed, and large-scale treatment are difficult. In addition, there is a problem in that the initial cost and operation cost of the devices that make up the processing apparatus are high.

Further, in the processing devices disclosed in the above-mentioned JP-A-6-15246 and JP-A-6-247785, the rotary shaft center of the rotary shaft provided with a stirring tool for stirring the processed material is oriented in the horizontal direction. In addition, since the stirring tool for stirring the entire inside of the processing tank is provided, it is necessary to provide a driving mechanism having a large driving force, which causes a problem of high cost.

In the processing apparatus disclosed in Japanese Patent Publication No. 7-94663 and Japanese Patent No. 3028112, the rotation axis of a rotary shaft equipped with a stirring tool for stirring the processed material is oriented in the vertical direction, and a processing tank is provided. Since the processed product of No. 1 is raised from the lower part of the cylinder and dispersed and dropped from the upper part into the processing tank, there is a problem that the drying speed is slow and a bad odor such as ammonia odor is generated, which is large and expensive. .

Further, in the processing apparatus in which the axis of rotation of the rotary shaft is oriented in the vertical direction, a processed product consisting of raw garbage, microorganisms and a breeding material such as sawdust for promoting the decomposition is sealed in a sealed processing tank. Since it is circulated between the inside of the body and the outside of the cylinder, it is not possible to cut raw garbage finely, and there is the inconvenience that the decomposition efficiency of raw garbage by microorganisms deteriorates, and the processed material circulates in a lump. In such a case, there is a disadvantage that oxygen in the treated product is insufficient and the activity of microorganisms is reduced, decomposing efficiency is lowered, and drying efficiency is lowered due to water vapor generated at the time of decomposing raw garbage.

[0013]

In order to solve such inconvenience, the present invention is formed by a lid plate portion, a peripheral plate portion, and a bottom plate portion into a cylindrical body shape, and has a tank axis center in a vertical direction. An oriented treatment tank is provided, an input port is provided above the treatment tank for introducing raw garbage as a processed product, and an outlet for taking out the processed product after the raw garbage is decomposed is provided below the processing tank. A cutting cylinder having a cylinder axis aligned with the tank axis is provided in the processing tank, and a suction port for sucking the processed product is provided at the lower end of the cutting cylinder, and the processed product is provided near the upper end of the cutting cylinder. A discharge hole for discharging while cutting is provided, a drive mechanism is provided in the processing tank, and a drive shaft that is rotated by the drive mechanism and has a rotation axis aligned with the tank axis is provided in the cutting cylinder. From the suction port at the lower end of the cutting cylinder to the drive shaft near the upper end While pumping the treated towards Deana, characterized in that the rotating body is provided to the discharge hole in cooperation with the processing was stirred cutting.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION In the garbage disposal according to the present invention, a cutting cylinder having a suction port and a discharge hole in a cylindrical processing tank having the tank axis oriented in the vertical direction is provided around the tank axis. The cutting shaft is provided with its axis aligned, and the drive shaft rotated by the drive mechanism is provided within this cutting cylinder with its rotation axis aligned with the tank axis. By providing a rotating body that pressure-feeds the processed product toward the discharge hole and agitates and cuts the processed product in cooperation with the discharge hole, the processed product is finely cut between the inside of the processing tank and the cutting cylinder. It can be circulated with agitation, the microorganisms can be brought into sufficient contact with the garbage, the garbage can be sufficiently exposed to the air, and a large driving force is provided for pressure-feeding the processed material in the cutting cylinder. do not need.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 13 show an embodiment of the present invention. In FIGS. 4 to 6, reference numeral 2 is a garbage processing device. The garbage processing device 2 is provided with a processing tank 4. The processing tank 4 is formed in a cylindrical body shape by a disk-shaped lid plate portion 6, a cylindrical peripheral plate portion 8 and a disk-shaped bottom plate portion 10, and forms a tank space 12 which is a closed space inside. Are provided. In the processing tank 4, the legs 14 are vertically provided on the bottom 10, and as shown in FIG.
The tank axis C1 is provided in the vertical direction.

As shown in FIG. 1, the processing tank 4 is provided with a charging port 16 for charging raw garbage as a processed material. In this embodiment, the cover plate 6 above the processing tank 4 is provided with a charging port 16 and a hopper 18 surrounding the charging port 16. The hopper 18 is provided with a lid 22 for opening and closing the opening 16 which is pivotally supported by a hinge 22 so as to be openable and closable. The lid 20 for the inlet is provided with a fixture 24 that is fixed to the hopper 18 in a closed state.

The processing tank 4 is provided with an outlet 26 for taking out the processed material after the raw garbage is decomposed.
In this embodiment, an outlet 26 is provided in the peripheral plate portion 8 below the processing tank 4, and a frame portion 28 surrounding the outlet 26 is provided. An outlet cover 30 for opening and closing the outlet 26 is pivotally mounted on the frame 28 so as to be openable and closable by a hinge 32. The outlet cover 30 is provided with a fixture 34 that is fixed to the frame 28 in a closed state. Further, a chute 36 for guiding the taken-out processed material to a container (not shown) is provided on the peripheral plate portion 8 below the frame portion 28.

The bottom plate 10 of the processing tank 4 is provided with a discharge port 38 for discharging the entire amount of the processed material. Outlet 38
Is opened and closed by the outlet cover 40. The discharge port lid portion 40 is detachably attached to the bottom portion 10 by a bolt 42 and a nut 44.

The tank space 12 in the processing tank 4 is shown in FIG.
As shown in FIG. 9, a cutting cylinder 46 having a cylinder axis C2 aligned with the tank axis C1 is provided. The cutting cylinder 46 is formed in a cylindrical shape with its lower end and upper end opened, and has a cylindrical space 48 inside.
Are formed and provided. The cutting cylinder 46 has a suction port 50 for sucking the processed product at the lower end, and a discharge hole 52 for cutting and discharging the processed product near the upper end. The discharge hole 52 is provided with a discharge hole side cutting edge portion 54.

The discharge holes 52 of this embodiment include a plurality of upper discharge holes 52a having a large opening area and arranged in the circumferential direction near the upper end of the cylindrical body 52, and in the circumferential direction below the upper discharge holes 52a. A plurality of lower discharge holes 52b are provided and have an opening area smaller than that of the upper discharge holes 52a. The upper discharge hole 52a is provided with an upper discharge hole side cutting edge portion 54a. The lower discharge hole 52b includes a lower discharge hole side cutting edge portion 5
4b is provided.

The cutting cylinder 46 is provided with a plurality of mounting bolts 56 projecting upward around the upper end. Mounting bolt 5
6 is penetrated by the cover plate body 6 and the mounting nut 58 is screwed. As a result, the cutting cylinder 46, as shown in FIG. 1, aligns the cylinder axis C2 with the tank axis C1 in the tank space 12 in the processing tank 4, and between the suction port 50 at the lower end and the bottom plate portion 10 and It is attached to the cover plate 6 with a gap provided between the discharge hole 52 near the upper end and the cover plate 6.

Further, the cutting cylinder 46 is provided with a saw-toothed cutting blade 60 at its lower end so that the cutting cylinder 46 faces the rotation direction (see FIG. 2) of a long stirring member 84a and a short stirring member 84b, which will be described later, around the lower end. An opening 62 that opens is provided. Opening 62
Is a long stirring member 84a and a short stirring member by a projecting edge portion 64 in which a part of the periphery of the suction port 50 at the lower end of the cutting cylinder 46 is projected radially outward and an upper portion 66 covering the upper side of the projecting edge portion 64. The opening is provided so as to face the rotation direction A of the body 84b.

A drive mechanism 68 is provided in the processing tank 4. In this embodiment, a drive mechanism 68 is provided on the cover plate portion 6 of the processing tank 4. The drive mechanism 68 includes a drive motor 70 and a drive gear mechanism 72, and rotates a drive shaft 74 described later.

In the cylindrical space 48 inside the cutting cylinder 46, as shown in FIG.
As shown in FIGS. 0 to 13, a drive shaft 74 is provided that is rotated by the drive motor 70 of the drive mechanism 68 and has a rotation axis C3 aligned with the tank axis C1. As shown in FIG. 1, the drive shaft 74 has an upper end penetrating the cover plate body 6 connected to the drive gear mechanism 72 of the drive mechanism 68, and a lower end penetrating the bottom plate part 10 on the lower side of the bottom plate part 10. It is provided so as to be axially supported by the bearing 76 attached to the.

To the drive shaft 74, the processed product is pressure-fed from the suction port 50 at the lower end of the cutting cylinder 46 toward the discharge hole 52 near the upper end, and the processed product is stirred and cut in cooperation with the discharge hole 52. The rotating body 78 is provided. The rotating body 78 is provided with a rotating body side cutting edge portion 80 that cuts the processed object in cooperation with the discharge hole side cutting edge portion 54.

The rotary member 78 of this embodiment is located near the upper end of the cutting cylinder 46 and is rotated in the vicinity of the upper discharge hole 52a, and the flat rotary member 78a and the upper discharge hole 52a from below the suction port 56. The spiral rotating body 78b is positioned between the vicinity and is rotated near the lower discharge hole 52b. The flat plate-shaped rotating body 78a includes the drive shaft 74
Are provided at positions symmetrical with respect to the radial direction, and are provided so as to be inclined rearward with respect to the radial direction by a receding angle θ1. The pitch P of the spiral rotor 78b gradually increases from the lower side to the upper side (P1 <P2 <P3 <P4 <P5).
Thus, a pair is provided and is provided on the outer periphery of the drive shaft 74 in a double spiral shape.

The flat plate-shaped rotating body 78a is provided with a flat plate-shaped rotating body-side cutting edge portion 80a for cutting a relatively large object in cooperation with the upper discharge hole-side cutting edge portion 54a. The spiral rotator 78b is provided with a spiral rotator side cutting edge 80b that cooperates with the lower discharge hole side cutting edge 54b to cut a relatively small object to be processed.

The cutting cylinder 46 and the drive shaft 74 have a scissor angle θ formed by the discharge hole side cutting edge portion 54 of the discharge hole 52 and the rotating body side cutting edge portion 80 of the rotating body 78 at 0 to 30 degrees. It is set. In this embodiment, as shown in FIG. 3, the angle θa between the upper discharge hole side cutting edge 54a of the upper discharge hole 52a and the flat plate-shaped rotor side cutting edge 80a of the flat plate-shaped rotary member 78a is set to 22 degrees. However, the sandwiching angle θb between the lower discharge hole side cutting edge portion 54b of the lower discharge hole 52b and the spiral rotating body side cutting edge portion 80b of the spiral rotating body 78b is set to 22 degrees.

The drive shaft 74 has a flat plate-shaped rotary member 78.
A disc 82 is provided on the upper end of a. The circular plate 82 is located in the cylindrical space 48 inside the cutting cylinder 46, between the upper discharge hole 52 a and the upper end opening of the cutting cylinder 46.

The drive shaft 74 has a bottom plate portion 1 of the processing tank 4.
At least 1 as the stirring body 84 rotated close to 0
A long stirrer 84a of a book is provided, the base end side of which is provided so as to project in the direction orthogonal to the rotation axis, and is bent halfway to advance the front end side of the rotation direction A forward.
In this embodiment, a pair of a long stirring member 84a having a length reaching the vicinity of the peripheral plate portion 8 and a short stirring member 84b having a length shorter than the long stirring member 84a are provided. The long stirrer 84a and the short stirrer 84b are formed in a triangular hollow body shape in cross section, are provided such that their base ends are symmetrically projected in opposite directions orthogonal to the rotation axis C3, and are bent in the middle of each. The front end side is provided forward in the rotation direction A. The short agitator 84b is provided with a pusher 86 that pushes the object to be processed toward the suction port 50 of the cutting cylinder 46. The pusher 86 has a rotation center C3 on the rear side in the rotation direction A.
It is curved to face.

Further, this garbage processing device 2 is provided with a processing tank 4
A cover 88 is provided as an exterior. The cover 88 is formed by a side wall portion 90 that covers the outside of the peripheral plate portion 8 and a lower wall portion 92 that covers the lower side of the bottom plate portion 10. The cover 88 is provided with a heat insulating material 94 inside each of the side wall portion 90 and the lower wall portion 92.

In this food waste processing apparatus 2, an air introduction passage 96 is provided between the treatment tank 4 and the cover 88, an air communication passage 98 is provided in the drive shaft 74, and the long stirrer 84a and the short stirrer 84b are provided. A long air supply passage 100a and a short air supply passage 100b are provided.

The air introducing passage 96 has a peripheral plate portion 8 and a side wall portion 9.
One end side is connected to the ring-shaped inlet 102 along the outer periphery of the lid plate portion 6 above the middle between the bottom plate portion 10 and the lower wall portion 92. It is formed so as to reach the length. The air communication passage 98 is
Communication port 104 at the lower end of the drive shaft 74 facing the air introduction passage 96
One end side is connected to the other end side, and the other end side is formed with a length reaching the upper side of the bottom plate portion 10.

The long-side air supply passage 100a and the short-side air supply passage 100b have one end connected to the air communication passage 98 and the other end on the rear side in the rotation direction A of the long stirring member 84a and the short stirring member 84b. It is formed to have a length that communicates with the long-side air supply port 106a and the short-side air supply port 106b, which are open toward each other. Long stirring body 84
a and the short agitator 84b, the long side eaves 108a for preventing clogging by the processed material are provided above the long side air supply port 106a and the short side air supply port 106b on the rear side in the rotation direction.
The short side eaves portion 108b is provided so as to project.

In the processing tank 4, the tank space 12 of the processing tank 4 is provided.
An air discharge mechanism 110 for discharging the air inside is provided.
In this embodiment, the air discharge mechanism 110 is provided on the cover plate portion 6 of the processing tank 4. The air discharge mechanism 110 includes an air discharge pipe 112 penetrating the cover plate 6 and an air discharge pipe 11
Pump 11 for discharging the air in the tank space 12 by 2
4 and a discharge motor 11 that drives the discharge pump 114.
It consists of 6 and 6. Further, below the bottom plate portion 10 of the ° treatment tank 4, an air introduction passage 96 between the bottom plate portion 10 and the lower wall portion 92 is provided.
The heating element 118 is provided to face the above.

The garbage processing device 2 has an air discharge mechanism 110.
The air in the tank space 12 is discharged by the
Decrease carbon dioxide concentration. Also, the garbage processing device 2
Causes the tank space 12 to be in a negative pressure state by the air discharge mechanism 110, and from the air introduction passage 96 between the processing tank 4 and the cover 88 through the air communication passage 98 of the drive shaft 74, the long stirring member 8 is discharged.
4a and the long side air supply passage 100 of the short stirring body 84b
a is introduced into the short side air supply passage 100b and the long side air supply port 106a and the short side air supply port 106b.
To supply air to the tank space 12. Furthermore, when the fermentation heat is insufficient, the garbage processing device 2 heats the air supplied to the tank space 12 by the heating element 118 facing the air introduction passage 96 according to the temperature detected by the temperature sensor 126 described later. To do.

The drive motor 70 of the drive mechanism 68, the discharge motor 116 of the air discharge mechanism 110, and the heating element 118.
Means, as shown in FIG. 1, the control means 1 of the garbage disposal 2.
It is connected to 20 and provided. The control means 120 includes a humidity sensor 122 provided in the air exhaust pipe 112 for detecting the humidity of the discharged air, a carbon dioxide sensor 124 for detecting carbon dioxide, and a tank provided near the bottom plate 10 of the peripheral plate 8. A temperature sensor 126 for detecting the temperature in the space 12 and an open / close sensor 128 for detecting the open / closed state of the lid 20 for the inlet provided in the lid 20 for the inlet are connected to each other. Further, the control means 120 is provided with a main switch 130, a mode setting switch 132, and a discharge switch 134 connected thereto.

The control means 120 uses the mode setting switch 1
The normal mode, the composting mode, and the high temperature drying mode are set by 32. In the normal mode, cutting and stirring of the processed material and discharge and supply of air in the processing tank 4 are performed to decompose and dry the processed material by the microorganisms. However, in the composting mode, the water content of the processed product that has been fermented and decomposed in the normal mode is reduced to compost by making it lower than in the normal mode, and in the high temperature drying mode, when the temperature of the processed product does not rise, the heating element 118 The drive means 68, the air discharge mechanism 110, and the heating element 118 are controlled in operation so as to generate heat and accelerate drying.

Next, the operation will be described.

In processing the organic waste, the garbage processing apparatus 2 turns on the main switch 130 and sets the mode to the normal mode by the mode setting switch 132, and opens the lid 20 for the inlet of the processing tank 4 to open the inlet. A raw material consisting of untreated organic waste, microorganisms, sawdust, and the like is fed from 16 to feed a breeding material that promotes the decomposition of raw garbage, and a treated material consisting of raw dust, microorganisms and a breeding material is filled in the tank space 12.

In the garbage processing apparatus 2, when the processing tank 4 is filled with the processed material and the input port lid 20 is closed to seal the tank space 12, the opening / closing sensor 128 closes the input port lid 20. The power is supplied from a power source (not shown) to the drive motor 70 of the drive mechanism 68 and the discharge motor 116 of the air discharge mechanism 110 to drive them.

The drive motor 70 rotates a drive shaft 74 via a drive gear mechanism 72, and a flat plate-shaped rotating body 78.
a and the spiral rotator 78b are rotated, and the long stirring member 84a and the short stirring member 84b are rotated. Also,
The discharge motor 116 drives the discharge pump 114, and the air discharge pipe 112 provided in the cover plate portion 6 causes the tank space 1 to move.
The air of 2 is sucked and discharged to the outside.

The processed material in the processing tank 4 has a long agitator 84a and a short agitator 8 whose front end is moved forward in the rotation direction A.
4b and the pusher 86 of the short agitator 84b pushes toward the suction port 50 of the cutting cylinder 46 on the center side of the processing tank 4 while swinging up and down.

The air discharging mechanism 110 discharges the air in the tank space 12 to discharge the carbon dioxide and the water discharged from the processed material in the processing tank 4. Also, the air discharge mechanism 1
10 discharges the air in the tank space 12 into a negative pressure state to introduce the air from the inlet 102 into the air introduction passage 96 between the treatment tank 4 and the cover 88, and the heat of fermentation of the treated material The warmed air is warmed, and the warmed air is supplied from the air communication passage 98 of the drive shaft 74 to the long stirrer 84a and the short stirrer 8.
It is made to supply to a to-be-processed object from the long side air supply port 106a and the short side air supply port 106b via the long side air supply passage 100a and the short side air supply passage 100b of 4b.

As for the object to be pushed toward the suction port 50, a small solid substance is sucked through the suction port 50 at the lower end of the cutting cylinder 46, and a large solid substance is formed on the lower end edge of the cutting cylinder 46 by a serrated cutting blade 60. It is cut by the spiral rotating body 78b and is pumped toward the upper end in the cylindrical space 48 by the rotation of the spiral rotating body 78b.

The object to be processed fed under pressure in the cylindrical space 48 of the cutting cylinder 46 is a small solid material, and the lower discharge hole side cutting edge 54b of the lower discharge hole 52b of the cutting cylinder 46 and the spiral rotary body side of the spiral rotary body 78b. While being cut by the cutting edge portion 80b, it is pushed by the spiral rotating body 78b and discharged from the lower discharge hole 58b to the tank space 12, and a large solid matter is cut by the cutting cylinder 4
6 is cut by the upper discharge hole side cutting edge portion 54a of the upper discharge hole 52a and the flat plate-shaped rotating body side cutting edge portion 80a of the flat plate-shaped rotating body 78a, and is pushed by the flat plate-shaped rotating body 78a to be discharged from the upper discharge hole 52a. It is discharged into the tank space 12.

The processed product discharged into the tank space 12 is gradually moved to the bottom portion 10 side, and then is again discharged from the upper part of the cutting cylinder 46 by the rotation of the long stirrer 84a and the short stirrer 84b and the pusher 86. It is pushed toward the hole 52a and the lower discharge hole 52b, and is rotated by the spiral rotating body 78b.
By being pressure-fed toward the discharge hole 52 near the upper end and being cut, the finely cut state is circulated while being stirred between the processing tank 4 and the cutting cylinder 46. The processed product is supplied with air during this circulation and decomposed by oxidative fermentation by microorganisms.

In the garbage processing device 2, the decomposition of the processed material progresses and the carbon dioxide concentration and humidity in the air become low, and the carbon dioxide concentration detected by the carbon dioxide sensor 124 provided in the air discharge pipe 112 is the reference value concentration. Since the disassembling process has been completed, the power supply to the drive motor 70 of the drive mechanism 68 is shut off and the stirring and circulation of the processed product are stopped.

Since the purpose of this food waste processing apparatus 2 is to reuse the food waste by composting, it is necessary to stir and dry until the moisture content of the processed material is sufficiently lowered.
When the carbon dioxide concentration reaches the reference value concentration, the decomposition process ends, and when the powdery processed material reaches the lower discharge hole 52b of the cutting cylinder 46, the mode setting switch 132
To set the composting mode, and drive the drive mechanism 68 and the air discharging mechanism 110 to agitate, decompose and dry the treated material until the moisture content of the treated material becomes lower than that in the normal mode to compost, and the humidity sensor 122 detects. When the humidity reaches the standard value, stop stirring.

It should be noted that, in the garbage processing device 2, when the carbon dioxide concentration has reached the reference value concentration, the humidity detected by the humidity sensor 122 provided in the air exhaust pipe 112 is equal to or higher than the reference value. The drive motor 70 of the drive mechanism 68 is driven to periodically stir and circulate, heat the heating element 118 to maintain the temperature, and drive the discharge motor 116 of the air discharge mechanism 110 to discharge the air. , Forcibly evaporate the water. When the carbon dioxide concentration is high and the humidity is low, fermentation can be promoted by automatically replenishing water with a water replenishing means (not shown).

With respect to the processed product which has been composted, the take-out port lid 30 is opened, the discharge switch 134 is turned on to drive the drive mechanism 68, and the flat plate-shaped rotary member 78a and the spiral rotary member 78b and long stirring are performed. By rotating the body 84a and the short stirring body 84b, an appropriate amount is discharged from the outlet 26. At this time, the composted processed material has a peripheral plate portion at a height position where an appropriate amount of the processed material remains in the tank space 12 without discharging the whole amount so that the decomposition processing of the next input garbage can be smoothly performed. 6 is provided with an outlet 26. In addition, in the above-mentioned normal mode, when the temperature does not rise depending on the temperature and the type of garbage, the processed material and the air are heated.
It is possible to set the high temperature drying mode for warming up.

As described above, the garbage processing device 2 has the cylindrical processing tank 4 with the tank axis C1 oriented in the vertical direction.
Suction port 50, upper discharge hole 52a and lower discharge hole 52
A cutting cylinder 46 provided with b is provided so that the cylinder axis C2 coincides with the tank axis C1, and the drive shaft 74 rotated by the drive mechanism 68 is provided in the cutting cylinder 46 with the tank axis C1 and the rotation axis C3. Are provided so as to correspond to each other, and the processed product is pressure-fed to the drive shaft 74 from the suction port 50 at the lower end of the cutting cylinder 46 toward the upper end, and the processed product is stirred and cut in cooperation with the upper discharge hole 52a and the lower discharge hole 52b. A flat plate-shaped rotating body 78a and a spiral rotating body 78b are provided.

As a result, the garbage processing device 2 can circulate the material to be crushed between the processing tank 4 and the cutting cylinder 46 while agitating the material, and the microorganisms can be sufficiently added to the garbage. It can be brought into contact with each other and the garbage can be sufficiently exposed to the air.

For this reason, the raw garbage processing apparatus 2 can improve the efficiency of decomposing raw garbage by microorganisms, and can sufficiently disperse oxygen in the treated material to enhance the activity of the microorganisms. Can increase efficiency,
The steam of raw garbage can be emitted to the air and discharged, the drying efficiency can be improved, and aerobic fermentation can eliminate the problem of producing a bad odor such as ammonia odor.

Further, this garbage processing device 2 is provided with a cutting cylinder 4
Since a large driving force is not required for pumping the processed material in 6, it is not necessary to provide a driving mechanism with a large driving force.
The cost can be reduced and the size can be reduced.

In this garbage disposal 2, the cutting cylinder 46 is provided with an upper discharge hole 52a for cutting a large solid substance and a lower discharge hole 52b for cutting a small solid substance, and a drive shaft 74 with a flat plate-shaped rotating body 78a. The spiral rotating body 78b is provided, and the pinch angle θa between the upper discharge hole side cutting edge 54a of the upper discharging hole 52a and the flat plate rotating body side cutting edge 80a of the flat plate rotating body 78a is set to 22 degrees. By setting the sandwiching angle θb between the lower discharge hole side cutting edge portion 54b of the discharge hole 52b and the spiral rotating body side cutting edge portion 80b of the spiral rotating body 78b to be 22 degrees, the processed object does not slip ideally. The solid material inside can be cut with less resistance.

Further, the garbage processing device 2 can be brought into a negative pressure state by discharging the air in the tank space 12 by the air discharging mechanism 110, and releases the steam generated when the garbage is decomposed. The drying efficiency of the material can be improved, and the inside of the tank space 12 is in a negative pressure state, so that the air introduction passage 96 between the processing tank 4 and the cover 88, the air communication passage 98 of the drive shaft 74, and the long length. Stirrer 84
a long side air supply passage 100a and short agitator 84b
Through the short side air supply passage 100b, the long side air supply port 106a and the short side air supply port 10 on the rear side in the rotation direction A.
Air can be supplied to the treated material in the tank space 12 from 6b, the activity of microorganisms can be promoted, and the decomposition efficiency can be promoted.

Furthermore, since the raw garbage processing apparatus 2 is provided with the serrated cutting blade 60 at the lower end edge of the cutting cylinder 46, it is possible to cut the processing object sucked from the suction port 50 into fine pieces, By providing the opening 62 opening around the lower end of the cutting cylinder 46 so as to face the rotation direction A of the long stirring body 84a and the short stirring body 84b, the long stirring body 84a and the short stirring body 84b are provided. The object to be pushed by the pusher 86 can be smoothly taken into the suction port 50 from the opening 62 of the cutting cylinder 46.

This garbage processing device 2 comprises a spiral rotor 7
By providing 8b in a double spiral shape, it is possible to efficiently perform the pressure feed of the processing object in the cutting cylinder 46, it is not necessary to provide a drive mechanism with a large driving force, and the lower discharge hole 52 is provided.
By cooperating with b, the number of cuts of the processed product can be doubled to be subdivided, and the oxidation reaction can be promoted to promote composting.

Further, in this garbage processing device 2, the garbage has a very large amount of water and tends to adhere to the spiral rotor 78b, but the spiral rotor 78b is gradually pitched from the lower side to the upper side. By providing it with a large size, the density of the processed material in the lower part is made dense,
It is possible to make the density of the processed material in the upper part sparse,
By gradually accelerating and pumping the processed material from the lower side to the upper side, the internal pressure can be suppressed to a low level, adhesion to the spiral rotator 78b can be prevented, and stirring efficiency can be improved.

In this garbage disposal 2, the air supplied into the treatment tank 4 can be warmed by the self-generated heat of fermentation in the air introduction passage 96 between the treatment tank 4 and the cover 88. Air can be supplied to the pulverized processed material and stirred, and oxidation can be promoted to perform aerobic fermentation. Further, in this food waste processing apparatus 2, since the processing tank 4 is covered with the cover 88, the temperature inside the processing tank 4 can be kept warm, and moreover, the cover 8
8 Since the heat insulating material 94 is provided inside, it is possible to prevent the temperature in the treatment tank 4 from escaping and to reliably maintain the temperature, and the temperature in the treatment tank 4 can be satisfactorily fermented (for example, 8 degrees Celsius).
The air discharge mechanism 11 can be kept warm by raising it to 0 degrees.
By setting the inside of the tank space 12 to a negative pressure state by 0, it is possible to accelerate the evaporation of the water content of the processed product, and it is possible to dry the processed product into a powder form.

Further, in aerobic fermentation, generation of ammonia and the like is suppressed, so that no bad odor is generated and the air in the treatment tank 4 can be discharged to the atmosphere without being treated.
A deodorizing device can be attached to the air exhaust pipe 112 of the air exhaust mechanism 110.

In this garbage disposal 2, the heating element 11 is exposed to the air introduction passage 96 below the bottom plate 10 of the treatment tank 4.
8 is provided, and a temperature sensor 126 for detecting the temperature in the tank space 12 near the bottom plate portion 10 of the peripheral plate portion 8 is provided.
By warming the air supplied to the tank and the treated material in the tank space 12, it is possible to promote the fermentation at the beginning of the treatment, such as when the stirring is stopped for a long time or when the treatment is performed in the extremely cold season.

The garbage processing device 2 does not control the stirring with time, but determines the stirring stop timing based on the carbon dioxide concentration and the humidity. Since the moisture content of raw garbage is not constant, it is difficult to reliably judge the end of processing if the stirring stop time is judged by time, but if the stirring stop time is judged based on the carbon dioxide concentration and humidity, the processing will end. Can be reliably determined and reliability can be improved.

FIG. 14 shows another embodiment.
Note that, in this other embodiment, the same reference numerals will be given to portions having the same functions as those of the above-described embodiment.

In the garbage treatment device 2 of this another embodiment, a cover 88 is provided on the treatment tank 4 so that the air reaching the center of the bottom plate 10 from the inlet 102 is provided between the treatment tank 4 and the cover 88. An introduction passage 96 is provided, and the drive shaft 74 has a communication port 104.
To the upper side of the bottom plate portion 10 to provide an air communication passage 98, and the long agitating member 84a and the short agitating member 84b extend to the long side air supply port 106a and the short side air supply port 106b. The short side air supply passage 100b is provided so as to face the air introduction passage 96 and the heating element 1
18 are provided.

The bottom plate 10 of the processing tank 4 is provided with an inner cover 136 for covering the communication port 104 at the lower end of the drive shaft 74, and the communication port passage 138 for partitioning the communication port 104 from the air introduction passage 96 by this inner cover 136. Is provided.

The treatment tank 4 is provided with an air supply mechanism 140 for supplying the air in the air introduction passage 96 into the treatment tank 12 through the communication port passage 138. The air supply mechanism 140 according to the other embodiment is provided in the inner cover 136 and supplies the air in the air introduction passage 96 to the communication passage 138 by pressure, and the lower wall portion 92 in the air supply pump 142. And a supply pump 144 that drives 142.

Further, the processing tank 4 has an air supply mechanism 140.
An air discharge pipe 146 for discharging the air in the processing tank 4 supplied by the above is provided. The air exhaust pipe 146 has a cover plate portion 6
Is provided to penetrate. The air exhaust pipe 146 is provided with a humidity sensor 122 and a carbon dioxide sensor 124.

As a result, the garbage processing device 2 of this other embodiment can achieve the same effect as that of the above-mentioned embodiment, and further the air supply mechanism 140 allows the processing tank 4 and the cover 8 to be treated.
8 through the communication port passage 138, the air communication passage 98, the long side air supply passage 100a and the short side air supply passage 100b.
Air can be positively supplied to the treated material in the tank space 12 from the air supply port 6a and the short side air supply port 106b, the activity of microorganisms can be further promoted, the decomposition efficiency can be promoted, and the air supply can be performed. By the air sent by the pump 142, it is possible to blow away the processing object clogged in the long-side air supply port 106a and the short-side air supply port 106b, and prevent the clogging.

Further, the garbage disposal 2 according to this another embodiment
The air in the tank space 12 can be exhausted by the air exhaust pipe 146, and the steam generated when the garbage is decomposed can be released to improve the drying efficiency of the processed material.

FIG. 15 shows a modification of the above-mentioned another embodiment. The raw garbage processing device 2 of this modification is
The bottom plate 10 of the processing tank 4 has a communication port 10 at the lower end of the drive shaft 74.
4 is provided with an inner cover 136 for covering the inner cover 13
A communication port passage 138 that divides the communication port 104 from the air introduction passage 96 by 6 is provided, and the intermediate air pipe 1 that bypasses the outside of the cover 88 and connects the lower wall portion 92 and the inner cover 136.
An intermediate air passage 1 whose one end is connected to the air introduction passage 96 by 48 and whose other end reaches the communication port passage 138.
50 are provided.

The treatment tank 4 is provided with an air supply mechanism 140 for supplying the air in the air introduction passage 96 into the treatment tank 12 from the intermediate air passage 150 through the communication passage 138. The air supply mechanism 140 is provided in the intermediate air pipe 148 and pressure-feeds the air in the air introduction passage 96 to the communication passage 138 via the intermediate air passage 150.
And an air supply pump 144 that is provided integrally with the air supply pump 142 and drives the air supply pump 142. In addition, the intermediate air pipe 148 includes the intermediate air passage 15
A heating element 152 for heating 0 air is provided.

As a result, the garbage processing device 2 of this modification can achieve the same effects as those of the above-mentioned other embodiment, and further, the air supply mechanism 140 and the heating element 152 are covered.
By arranging it on the outside, maintenance and inspection can be easily performed.

[0075]

As described above, the apparatus for treating garbage according to the present invention can circulate while stirring the treated material between the inside of the treatment tank and the cutting cylinder while finely cutting the treated matter, and the microorganisms in the garbage. In addition to being able to make sufficient contact, the garbage can be sufficiently exposed to the air, and a large driving force is not required for pressure-feeding the processed material in the cutting cylinder.

Therefore, this garbage processing apparatus can improve the decomposition efficiency of garbage by microorganisms, and can sufficiently disperse oxygen in the material to be treated to enhance the activity of microorganisms. It is possible to increase the water vapor of the raw garbage to the air, improve the drying efficiency, solve the problem of generating a bad odor such as ammonia odor, and drive with a large driving force. Since it is not necessary to provide a mechanism, the cost can be reduced and the size can be reduced.

[Brief description of drawings]

FIG. 1 is a view of a garbage processing apparatus showing an embodiment of the present invention.
It is sectional drawing by the II line in.

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

FIG. 3 is an enlarged sectional view of a cutting cylinder.

FIG. 4 is a plan view of the garbage processing device.

FIG. 5 is a front view of the garbage processing device.

FIG. 6 is a bottom view of the garbage processing device.

FIG. 7 is a plan view of a cutting cylinder.

FIG. 8 is a front view of a cutting cylinder.

FIG. 9 is a bottom view of the cutting cylinder.

FIG. 10 is a plan view of a drive shaft.

FIG. 11 is a front view of a drive shaft.

FIG. 12 is a side view of a drive shaft.

13 is an enlarged sectional view taken along line XIII-XIII in FIG.

FIG. 14 is a cross-sectional view of a garbage disposal according to another embodiment.

FIG. 15 is a partially omitted cross-sectional view of a garbage processing device showing a modification of another embodiment.

[Explanation of symbols]

2 Garbage disposal equipment 4 processing tanks 6 Lid plate part 8 peripheral plate 10 Bottom plate 16 slot 26 Exit 46 cutting cylinder 50 suction port 52a Upper discharge hole 52b Lower discharge hole 60 serrated cutting edge 68 Drive mechanism 74 Drive shaft 78a Plate-shaped rotating body 78b spiral rotor 84a Long stirring body 84b Short stirrer 86 pusher 88 cover 96 air introduction passage 106a Long side air supply port 106b Short side air supply port 110 Air exhaust mechanism 118 heating element 120 control means 122 Humidity sensor 124 Carbon dioxide sensor 126 Temperature sensor 128 open / close sensor

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) C05F 5/00 C05F 17/02 17/02 B09B 3/00 ZABD F term (reference) 4D004 AA03 BA04 CA04 CA15 CA19 CB04 CB13 CB27 CB31 CC08 DA01 DA02 DA06 DA08 DA10 DA13 4D065 CA16 CB10 CC03 DD04 DD18 EB17 4H061 EE03 GG16 GG43 LL30

Claims (10)

[Claims] 1. A processing tank, which is formed in a cylindrical shape by a lid plate portion, a peripheral plate portion, and a bottom plate portion and has a tank axis oriented vertically, is provided above the processing tank as a processed material. An input port for introducing raw garbage is provided, and an outlet for taking out the processed material after the raw garbage is decomposed is provided below the processing tank, and the cylinder axis is aligned with the tank axis in the processing tank. The cutting cylinder is provided, a suction port for sucking the processed product is provided at the lower end of the cutting cylinder, a discharge hole for cutting and discharging the processed product is provided near the upper end of the cutting cylinder, and a drive mechanism is provided in the processing tank. A drive shaft that is rotated by the drive mechanism and has its rotation axis aligned with the tank axis is provided in the cutting cylinder, and the drive shaft extends from the suction port at the lower end of the cutting cylinder to the discharge hole near the upper end. The object to be processed is sent under pressure and processed in cooperation with the discharge hole. An apparatus for treating food waste, comprising a rotating body for stirring and cutting physical objects. 2. The discharge hole is provided with a discharge hole side cutting edge portion, and the rotary body is provided with a rotary body side cutting edge portion that cooperates with the discharge hole side cutting edge portion to cut a processing object. The raw garbage disposal device according to claim 1, wherein a scissor angle formed by the discharge hole side cutting edge portion and the rotating body side cutting edge portion is set to 0 to 30 degrees. 3. A plurality of the discharge holes are provided in the circumferential direction of the cutting cylinder below the upper discharge hole and a plurality of upper discharge holes of a large area which are arranged in the circumferential direction near the upper end of the cutting cylinder. And a lower discharge hole having an area smaller than that of the upper discharge hole, wherein the rotary body is located near the upper end of the cutting cylinder and is rotated in the vicinity of the upper discharge hole. And a spiral rotary member which is located between the suction port and the vicinity of the upper discharge hole and is rotated in the vicinity of the lower discharge hole, and the upper discharge hole is provided with an upper discharge hole side cutting edge portion, The lower discharge hole is provided with a lower discharge hole side cutting edge portion, and the flat plate-shaped rotary body is provided with a flat plate rotary body side cutting edge portion which cooperates with the upper discharge hole side cutting edge portion to cut a processing object. , The spiral rotating body is processed in cooperation with the lower discharge hole side cutting edge portion. The raw garbage processing device according to claim 1, further comprising a spiral rotating body side cutting edge portion for cutting an object. 4. The garbage processing device according to claim 3, wherein the spiral rotating body is formed so as to have a pitch gradually increasing from a lower side to an upper side. 5. The drive shaft is provided with at least one elongate agitator as an agitator which is rotated close to the upper surface of the bottom of the processing tank, and the elongate agitator has a rotation axis centered on the base end side. The garbage disposal device according to claim 1, wherein the garbage disposal device is provided so as to project in a direction orthogonal to the above, and is bent in the middle to be provided so that the front end side is moved forward in the rotation direction. 6. The garbage disposal according to claim 1, wherein the cutting cylinder is provided with a saw-toothed cutting edge at a lower end edge thereof. 7. The garbage processing device according to claim 6, wherein the cutting cylinder is provided with an opening around the lower end so as to face the rotation direction of the elongated stirring body. 8. The processing tank according to claim 1, further comprising a cover formed by a side wall portion that covers an outer side of the peripheral plate portion and a lower wall portion that covers a lower side of the bottom plate portion. Raw garbage processing equipment. 9. One end side is connected between the processing tank and the cover at an inlet above the middle between the peripheral plate part and the side wall part, and the other end side is connected to the bottom plate part and the lower wall part. An air introduction passage reaching the center of the air passage is provided, and one end side is connected to a lower end communication opening of the drive shaft facing the air introduction passage, and the other end side is provided with an air communication passage reaching the upper side of the bottom plate portion. The body is provided with an air supply passage, one end of which is connected to the air communication passage and the other end of which is connected to an air supply opening that is directed rearward in the rotation direction, and the air in the treatment tank is discharged to the treatment tank. The garbage disposal according to claim 8, further comprising an air discharging mechanism. 10. One end side is connected between the processing tank and the cover at an inlet above the middle between the peripheral plate part and the side wall part, and the other end side is connected to the bottom plate part and the lower wall part. An air introduction passage reaching the center of the space is provided, and the drive shaft is provided with an air communication passage whose one end is connected to a communication opening at the lower end facing the air introduction passage and the other end reaches the bottom plate upper side.
The stirrer is provided with an air supply passage, one end of which is connected to the air communication passage and the other end of which is connected to an air supply port directed rearward in the rotation direction, and the bottom plate portion is provided with a lower end of the drive shaft. An inner cover for covering the communication port is provided, and a communication port passage is provided for partitioning the communication port from the air introduction passage by the inner cover, and the air in the air introduction passage is provided in the treatment tank through the communication passage. The garbage processing device according to claim 8, further comprising an air supply mechanism for supplying the air to the inside.