JPH05177184A - Method for treating kitchen garbage and device thereor - Google Patents

Abstract

PURPOSE:To change kitchen garbage into a putrefaction-retarding form in order to easily store or transport the same by a method wherein the garbage is ground and then dried in mixture with an additive. CONSTITUTION:The kitchen garbage is put into a grinder 2 and ground therein, sent into a ground garbage supply device 3 and supplied therefrom into a mixing and extruding device 5. An additive such as rice bran is supplied through an additive supply device 4 into the mixing and extruding device 5. The ground pieces of the garbage and the additive are mixed together in the mixing and extruding device 5 and the resulting mixture is then forced out therefrom and dried by a drying device 6. As a result, the kitchen garbage can be changed into a putrefaction retarding form to make its storage and transportation easy. Such a mixture can be used as stock feed and gotten rid of by a hog raiser to reduce the amount of the garbage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for treating garbage.

[0002]

2. Description of the Related Art Conventionally, meals are provided at schools, factories, hospitals and the like. The kitchen waste such as cooking scraps or leftover food (hereinafter referred to as kitchen waste) generated during lunch is collected by a trader and processed.

[0003]

However, kitchen refuse is apt to rot, and in particular, in the summertime, the rot smells rot quickly due to the rot and the smell of rot is present. It is stored temporarily to prevent the garbage from decaying. As a result, there is a problem that not only the facility cost is increased, but also the maintenance cost such as the electricity bill is required.

The present invention has been made in view of the above problems, and provides a method of treating garbage and a device therefor capable of easily and surely treating the garbage into a form that does not decompose.

[0005]

The method for treating kitchen waste of the present invention is characterized in that the kitchen waste is crushed, the crushed kitchen waste is mixed with the additive, and the mixture is extruded and dried.

Further, the kitchen waste processing apparatus of the present invention includes a kitchen crusher, a crushed material supply device which is connected to the crusher through a pipe and accommodates the crushed kitchen waste and which can be supplied in a fixed amount. An additive supply device capable of accommodating and supplying a fixed amount of material, a mixing extrusion device for mixing the pulverized product and the additives supplied by these supply devices and extruding the mixed mixture, and an extrusion device for extruding from the mixing extrusion device. It is characterized by comprising a drying device for drying the obtained mixture.

[0007]

The collected garbage is crushed, mixed with additives, and then extruded and dried.

[0008] Therefore, as a result of the kitchen waste being dried to a predetermined hardness, it is converted into a form which is less likely to rot and storage or transportation becomes easier. The dried mixture can also be used as livestock feed.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows the overall construction of a garbage processing device 1. This processing device 1 temporarily stores the garbage crusher 2 and the garbage crushed by the crusher 2 and supplies it in a fixed amount. Crushed material supply device 3, an additive supply device 4 that contains additives such as bran and flour dregs and supplies them in a fixed amount, and the crushed materials and additives supplied from these supply devices 3 and 4 are mixed by stirring. A mixing and extruding device 5 for extruding together and a drying device 6 for drying the mixture of the pulverized product and the additive extruded from the mixing and extruding device 5 are configured.

First, the crusher 2 has a crusher main body 23 accommodating an electric motor 21 and a crushing blade 22 provided on an output shaft of the electric motor 21, and a hopper connected to an input port of the crusher main body 23. A transport pipe 26, which is composed of 24, crushes the garbage thrown from the hopper 24 using water supplied from the water supply pipe 25 as a medium, and crushes the garbage (hereinafter referred to as crushed material) provided with a pump (not shown). It is to be appropriately conveyed through.

Further, the pulverized material supply device 3 is provided with the carrier pipe 2
Storage tank 3 for storing the pulverized material sent via 6
1 and a discharge port 3 formed at the lower end of the storage tank 31
A pusher 32 which is slidably arranged so as to face 1a,
Hydraulic cylinder 33 for moving the pusher 32 back and forth
From a stainless steel filter plate 34 formed under the pusher 32 and having a large number of small holes, a check valve 35 arranged in front of the pusher 32, and a hopper 36 for collecting the waste water passing through the filter plate 34. It is configured.

Therefore, from the crusher 2 to the transfer pipe 26
The crushed material sent via the crushed material is temporarily stored in the storage tank 31, and at this time, a part of the wastewater contained in the crushed material is filtered by the filter plate 34.
After passing through the hopper 36, it is collected by the hopper 36 and filtered by the filter device 7 described later. Further, the crushed material dropped from the discharge port 31a onto the filter plate 34 is pushed up by the pusher 32 when the pusher 32 advances due to the extension operation of the hydraulic cylinder 33, and further the check valve 35 is flipped up to cause a mixing tank described later. 51 is supplied via the chute 37. Since the filter plate 34 is cleaned by sliding the pusher 33, clogging of the filter plate 34 is eliminated.

The wastewater collected by the hopper 36 is filtered by the filtering device 7 and then drained.
The filtering device 7 includes a filter 71 arranged to face a discharge port 36 a formed at the lower end of the hopper 36, and a storage box 72 for the filter 71.
Is wound into a roll and passes through the pressing roller 73 and the feed rollers 74, 74. When the filter 71 is clogged, the filter 71 is wound by the feed roller 74 to an appropriate length and sent to the storage box 72. It is a thing. Then, the sewage that has passed through the filter 71 is discharged to sewer or the like via the drain pipe 75.

On the other hand, the additive supply device 4 is slidably arranged so as to face an accommodation tank 41 for accommodating additives such as bran or flour dregs and an outlet 41a formed at the lower end of the accommodation tank 41. The pusher 42 and the hydraulic cylinder 43 that moves the pusher 42 forward and backward, and the additive contained in the storage tank 41 drops a certain amount in front of the pusher 43 when the pusher 42 retracts,
Then, the hydraulic cylinder 43 is extended so that the hydraulic cylinder 43 is supplied to the mixing tank 51 described later via the pusher 42.

Further, the mixing and extruding device 5 includes a mixing tank 51 for containing the pulverized material and the additive supplied from the pulverized material supplying device 3 and the additive supplying device 4, respectively.
And a mixing device 52 that stirs and mixes the pulverized material and the additive supplied to the mixing tank 51, and a pulverized material and an additive (hereinafter, referred to as a mixture) that is provided under the mixing tank 51 and agitated and mixed by the mixing device 52 It is composed of an extrusion device 53 for extruding. And the mixing device 5
2 is an electric motor 5 installed above the mixing tank 51
4 and a mixing screw 55 that is connected to the output shaft of the electric motor 54 and is rotatable around a vertical axis.
The pushing device 53 includes an electric motor 56 and the electric motor 5.
6 comprises an extruding screw 57 which is connected to the output shaft of 6 and is rotatable about a horizontal axis.
A pair of rollers 58, 58 are provided so as to face the discharge port 51a formed in the front of 7.

As a result, when the pulverized material is supplied from the pulverized material supply device 3 and the additive is supplied from the additive supply device 4 to the mixing tank 51, the mixing screw 55 is rotated via the electric motor 54, The ground material and the additives can be agitated and mixed to form a mixture. On this occasion,
The pulverized material supplied by one stroke of the pusher 33 in the pulverized material supply apparatus 3 and the additive supplied by one stroke of the pusher 43 in the additive supply apparatus 4 are
Since the respective amounts are constant, the ratio between the pulverized product and the additive can be arbitrarily set. Then, the mixture thus generated by the mixing device 52 is supplied to the extrusion device 5
3 is pushed out from the discharge port 51a. That is,
When the extrusion screw 57 rotates via the electric motor 56, the mixture is expanded in a plate shape by the rollers 58, 58 and discharged from the discharge port 51a.

Further, the drying device 6 comprises a slat conveyor 61, an electric motor 62 for circulating the slat conveyor 61, and a dryer 63 arranged above the slat conveyor 61. The discharged mixture is dried to a suitable hardness by the dryer 63 when the slat conveyor 61 circulates.

Next, the operation of the present invention will be described.
The collected kitchen waste is crushed into a paste by the crusher 2 and then transported to the storage tank 31 via the transport pipe 26. The crushed material stored in the storage tank 31 is supplied to the mixing tank 51 by the pusher 32, while the additive stored in the storage tank 41 is also supplied to the mixing tank 51 by the pusher 42. The proportions of the crushed product and the additives can be changed depending on the livestock subject who feeds the mixture of the crushed product and the additives.

Then, the pulverized products and additives supplied to the mixing tank 51 are stirred and mixed by the mixing device 52, and then extruded by the extruding device 53 from the discharge port 51a in a plate shape and discharged. The mixture that is extended and extruded into a plate shape is placed on the slat conveyor 61, and is dried to a suitable hardness by the dryer 63 while the slat conveyor 61 is circulatingly moved. As a result, the mixture is dried and converted to a non-perishable form. And this mixture can also be utilized as feed for livestock such as pigs.

[0021]

As described above, according to the present invention, by crushing kitchen waste, mixing it with an additive and drying it, it can be converted into a form which is less likely to rot and can be easily stored or transported. be able to. And this mixture is
It can be used as feed for livestock, etc., and it will be possible to reduce the amount of waste by having a pig farmer pick it up.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing an overall configuration of a kitchen processing apparatus of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Processing apparatus 2 Crusher 3 Crushed material supply apparatus 4 Additive supply apparatus 5 Mixing extrusion apparatus 6 Drying apparatus

Claims (2)

[Claims] 1. A method for treating kitchen waste, which comprises crushing kitchen waste, mixing the crushed kitchen waste with an additive, and then extruding and drying. 2. A kitchen crusher, a crushed material supply device which is connected to the crusher via a pipe and accommodates the crushed kitchen waste, and which can supply a fixed amount, and an additive which can be supplied in a fixed amount. An additive supply device, a mixing extrusion device for mixing the pulverized product and the additive supplied by these supply devices and extruding the mixed mixture,
An apparatus for treating kitchen waste, comprising a drying device for drying the mixture extruded from the mixing extrusion device.