JPH0731960A - Treatment of organic waste - Google Patents

Abstract

PURPOSE:To simplify a discarding treatment of org. waste and to improve operability by discarding the org. waste in the state of housing the org. waste in a bag and subjecting the org. waste and the bag to a decomposition treatment by Aschelmintha, microorganisms, etc. CONSTITUTION:This method for treatment of the org. waste comprises putting the org. waste into the bag made of a biodegradable material which can be decomposed by microorganisms, charging this bag into a treating vessel 1 housing carriers 2 and having agitating vanes 10, rupturing the bag by operation of the agitating vanes 10 to mix the bag and org. waste into the carriers 2, subjecting the bag to the decomposition treatment by the microorganisms and subjecting the garbage to the decomposition treatment by the Aschelminthes, such as Rotifera and Nematoda, and microorganisms, such as protozoa and bacteria.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a treatment method for decomposing organic waste such as kitchen waste.

[0002]

2. Description of the Related Art Conventionally, as a garbage treating device, one that crushes and dewaters garbage and automatically discards it in a garbage bag or the like is disclosed in, for example, JP-A-4-156959 (B02C 21/00). Have been proposed in. However, in this scheme,
Since it is necessary to dispose of the kitchen waste stored in the garbage bag, it takes time and labor to dispose of it, and there is a problem in environmental protection.

[0003] In order to solve these problems, a garbage disposal device for disposing of garbage in a processing tank containing a carrier for culturing microorganisms, and decomposing the garbage with microorganisms is a utility model 2-1291.
It was proposed in the publication (B09B 3/00). Since this garbage disposal device decomposes garbage with microorganisms, it can not decompose organic substances other than organic substances, and when discarding garbage, it is not possible to dispose of the garbage bag together with the garbage bag. Not only was it necessary to move the garbage from the garbage bag, but also a bad smell was generated from the garbage bag to which the garbage was attached.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and an object of the present invention is to provide an organic waste treatment method capable of decomposing organic waste together with a garbage bag.

[0005]

The first method of the present invention comprises:
Put organic waste in a bag made of biodegradable material that can be decomposed by microorganisms, put the bag into a treatment tank having a carrier and a crushing stirrer, and crush the bag by operating the crushing stirrer. An organic waste in which a bag and organic waste are mixed with a carrier and the bag is decomposed by microorganisms, and the organic waste is decomposed by bag-shaped organisms such as nematodes and ringworms and microorganisms such as protozoa and bacteria. It is a processing method.

The second method of the present invention is to put organic waste in a bag made of a biodegradable material which can be decomposed by microorganisms, and put the bag into a treatment tank having a carrier and containing a crushing stirrer. The bag is crushed by the operation of the crushing stirrer, the bag and the organic waste are mixed with a carrier, and the bag is decomposed by microorganisms, and the organic waste is a bag-shaped animal such as nematodes or ringworms and protozoa. This is an organic waste treatment method in which the waste liquid is decomposed mainly by bacteria after being decomposed by microorganisms such as bacteria and bacteria.

[0007]

According to the first method, the organic waste is stored in the bag made of the biodegradable material and is disposed of in the processing tank, and the bag is crushed by the operation of the crushing stirrer to separate the bag and the organic waste. Are mixed with the carrier. The bag is decomposed by an enzyme secreted by the microorganism outside the body, and finally decomposed into water and carbon dioxide. In addition, organic wastes are eaten and decomposed by bag-shaped animals such as nematodes and ringworms and microorganisms such as protozoa and bacteria.

According to the second method, the organic waste is discarded in the treatment tank while being stored in the bag made of the biodegradable material,
The bag and the organic waste are mixed with the carrier by crushing the bag by the operation of the crushing stirrer. The bag is decomposed by an enzyme secreted by the microorganism outside the body, and finally decomposed into water and carbon dioxide. In addition, organic wastes are eaten and decomposed by bag-shaped animals such as nematodes and ringworms and microorganisms such as protozoa and bacteria. Bacteria mainly decompose the waste and carcass,
Purify and drain.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to FIGS.

Reference numeral 1 denotes a processing tank made of synthetic resin having an open top surface, in which a carrier 2 is housed. The carrier 2 is made of wood chips such as sawdust, chaff, rice bran, soil, and other microbial culture substrates. In this example, Japanese Patent Publication No. 2-34679 (C02F 11/02).
The wood chips shown in "Method of microbial treatment of sludge by wood chips" are used. This carrier 2 is porous, has high air permeability and water permeability, and has the property of keeping moisture and air suitable for breeding sack-shaped animals and microorganisms. When the carrier 2 is mixed with garbage, Bag-shaped animals such as rotifers and nematodes attached to the animals, microorganisms such as protozoa and bacteria multiply, and these bag-shaped animals and microorganisms finally decompose the garbage into water and carbon dioxide gas, thereby removing the garbage. Extinguish. The upper part of the carrier 2 in the processing tank 1 is a processing part 3 in which a stirring blade 10 described later is positioned, and the lower part of the carrier 2 in which the stirring blade 10 is not positioned is a purification part 4.

Reference numeral 5 denotes an electric motor housing portion which is recessed in the upper portion of the processing tank 1 and is provided substantially above the carrier 2 to prevent the amount of the carrier 2 housed in the processing tank 1 from decreasing. 6 is a first reinforcing plate fixed to one side of the processing tank 1,
Reference numeral 7 denotes a second reinforcing plate fixed to the other side surface opposite to the one side surface to which the first reinforcing plate 6 of the processing tank 1 is fixed. The first reinforcing plate 6 and the second reinforcing plate 7 are respectively agitated to be described later. A bearing 8 for supporting the blades 10 is fixed, and a forward / reverse electric motor 9 housed in the electric motor housing 5 is fixed to the first reinforcing plate 6.

Reference numeral 10 denotes an agitating blade arranged in the processing section 3 in the upper part of the carrier 2, a rotating shaft 11 rotatably supported by the bearing 8 and a plurality of agitating blades 12 fixed to the rotating shaft 11. The rotary shaft 11 and the stirring blade 12 are made of a material having high heat conductivity and high corrosion resistance, for example, stainless steel. Reference numeral 13 denotes a sprocket that is fixed to the rotation shaft 11 by rotating, and a chain (not shown) is installed between the sprocket 14 that is fixed to the drive shaft of the electric motor 9 and rotates the stirring blade 10 by driving the electric motor 9. It is designed to let you.

Reference numeral 15 is a first heating means composed of a heater disposed in the rotary shaft 11, and has both ends of the first and second reinforcing plates 6 and 7.
It is supported by a support 16 made of heat-resistant synthetic resin fixed to both side walls, and arranged so as not to come into contact with the rotating shaft 11.

Reference numeral 17 denotes a second heating means arranged in the purifying section 4 in the processing tank 1, which is a stainless steel pipe 19 fixed to the side surface of the processing tank 1 via a heat insulating material 18, and a pipe 19 inside the pipe 19. It is composed of a heater 20 provided. The first and second heating means 15 and 17 are adapted to constantly maintain the entire carrier 2 at about 20 to 35 degrees.

Reference numeral 21 denotes a drainage section defined by a metal partition plate 22 having a large number of small holes so that the carrier 2 does not leak in the lower portion of the treatment tank 1, and a drainage port to which a drain hose (not shown) is connected. Has 23.

Reference numeral 24 is a cylindrical metal side wall plate covering the periphery of the processing tank 1, 25 is a synthetic resin top plate placed on the side wall plate 24, and a garbage insertion port 26 is formed. There is. An inclined surface 27 that gradually inclines downward toward the rear side is formed below the garbage inlet 26, and the lower end of the inclined surface 27 is opened to communicate the garbage inlet 26 with the inside of the processing tank 1. is doing. 29 is the top plate
With a shutter swingably supported by 26, the state in which the opening 28 is closed by its own weight is maintained, and the opening 28 is opened by swinging by the garbage that is thrown in from the garbage input port 26 and slides down the inclined surface 27. Has become.

Reference numeral 30 denotes a board housing portion provided between the kitchen throw-in port 26 of the top plate 25 and the other side surface, and houses a board 31 on which switches and circuit components are mounted. 32 is the board storage section
A cover fixed to the top plate 25 covering 33, and has an operation unit (not shown) for operating the switches mounted on the substrate 31.

Reference numeral 33 denotes a lid body that is swingably supported by the top plate 25 and covers the kitchen throw-in port 26, and the opening of the lid body 33 is detected by a detection means (not shown) such as a microswitch. .

34 is a bag for storing organic waste such as kitchen waste,
Biodegradable materials, that is, those containing natural polysaccharides such as cellulose derivatives and chitins as main components, natural fibers, recycled fibers thereof, synthetic polymers such as caprolactone and polyethylene succinate, or hydroxybutyrate. The biodegradable material is formed of natural polymers such as, and is decomposed by an enzyme secreted outside the body by microorganisms, and finally decomposed into water and carbon dioxide.

When the garbage is processed, the garbage is stored in the bag 34 made of biodegradable material, the lid 33 is opened, and the bag 34 and the bag 34 are put into the treatment tank 1 through the garbage feeding port 26. To do. When the garbage is thrown in, the lid 33 is closed and the operating portion is operated. The electric motor 9 repeats normal and reverse rotation for a predetermined time, and the bag 34 and the garbage are crushed by the stirring blade 10 and mixed with the carrier 2.

On the carrier 2 of the processing section 3, bag-shaped animals such as ringworms and nematodes attached to the garbage and microorganisms such as protozoa and bacteria are propagated due to the disposal of the garbage into the treatment tank 1. In addition, ringworms, nematodes and protozoa eat and dispose of kitchen waste. On the other hand, the bag 34 made of a biodegradable material is decomposed by enzymes secreted outside the body by microorganisms such as protozoa and bacteria, and finally decomposed into water and carbon dioxide. Since the kitchen waste discarded in the processing tank 1 is crushed between the stirring blade 10 and the side wall of the processing tank 1, the kitchen waste decomposes and disappears in a relatively short time. Since the carrier 2 is maintained at a temperature at which the microorganisms are activated by the first and second heating means 15 and 17, activation of the bag-shaped animal and the microorganisms is activated, and the garbage and the bag 34 are decomposed. Efficiency is further improved.

The water supplied to the processing tank 1 together with the garbage is
The water, which is generated by disassembling the kitchen waste and the bag 34, passes through the purification unit 4 and is drained to the drainage unit 21. In this water,
It contains components generated in the process until the garbage and the bag 34 are completely decomposed, that is, sugars, amino acids, organic acids, etc., but these components are generated by microorganisms, especially bacteria, that propagate on the carrier 2 of the purification section 4. Disassemble, purify and drain to drain 21. In addition, waste and dead bodies of the bag-shaped animals and microorganisms are also decomposed by bacteria. The above-mentioned components, wastes of dead-bottom animals and microorganisms, and carcasses are also decomposed by bacteria propagated on the carrier 2 of the processing section 3. With little production of malodor and residues due to the above-mentioned bag-shaped animal and microbial food chain,
It can be decomposed almost completely.

A second embodiment of the present invention will be described in detail with reference to FIGS. The same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

Reference numeral 35 denotes a waste duct, one end of which passes through the top plate 25 to face the treatment tank 1 and the other end of which passes through the wall of the house and opens slightly above the sink of the kitchen. Waste port
36. The waste duct 35 is an olefin resin,
It is formed of a low friction resistance material such as high density polyethylene resin, or is formed by coating a low friction resistance material such as Teflon on the inner surface of a duct formed of resin or metal.

Reference numeral 37 denotes a lid body pivotally supported on the wall surface of the house so as to open and close the waste port 36 of the waste duct 35. 38 is a detection switch attached to the waste duct 35, which detects the opening / closing state of the waste port 36 of the lid 37,
When the power supply to the electric motor 9 is stopped with the open state of 37, and the lid 37 opens the waste port 36 and closes it again, the electric motor 9 is driven and the kitchen waste is discarded from the waste port 36 into the processing tank 1. The bag 34 is crushed and mixed with the carrier 2.

Reference numeral 39 denotes a sprinkler pipe disposed on the upper portion of the waste duct 35 on the side of the waste port 36, which forms a large number of sprinkler holes and is provided by an electromagnetic valve (not shown) arranged in the space between the wall and the waste duct 35. Watering to the waste duct 35 is controlled.

The kitchen waste produced by cooking is stored in a bag 34 made of a biodegradable material, the lid 37 is opened, and the bag 34 is opened.
The whole is discarded from the disposal port 36 to the processing tank 1 through the disposal duct 35. Since the waste duct 35 is formed of a low friction resistance material or is coated with a low friction resistance material, even if the garbage is discarded without storing it in the bag 34, the garbage is smoothly discarded in the processing tank 1, The garbage does not attach to the inner surface of the waste duct 35 and the garbage does not spoil in the waste duct 35.

After the garbage is thrown in, the lid 37 is closed. The detection switch 38 detects the closure of the lid 37, the electric motor 9 and an electromagnetic valve (not shown) are driven based on a signal from the detection switch 38, and the spray valve 39 is opened by opening the electromagnetic valve.
The inside of the waste duct 35 is washed with water. Further, the electric motor 9 repeats normal and reverse rotation for a predetermined time, and the stirring blade 10 causes the bag to move.
34 and the garbage are mixed with the carrier 2 while crushing.

[0029]

As described above, according to the constitution of claim 1 of the present invention, the organic waste is disposed of while being stored in the bag, and the organic waste and the bag are decomposed by sachet-shaped animals or microorganisms. Therefore, the disposal of organic waste can be simplified, and the convenience of use can be improved.

According to the second aspect of the present invention, the organic waste can be disposed of while being stored in the bag, and the organic waste and the bag can be decomposed by bag-shaped animals or microorganisms.
The disposal process of organic waste can be simplified, the convenience of use can be improved, and the waste liquid associated with the decomposition process of organic waste and bags can be purified and drained, which greatly affects the environment. There is an effect that it can be reduced.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a first embodiment of the present invention.

FIG. 2 is a cross-sectional view seen from the other direction.

FIG. 3 is a side view showing the bag in which the organic waste is stored.

FIG. 4 is a sectional view showing a second embodiment of the present invention.

FIG. 5 is a sectional view seen from the other direction.

[Explanation of symbols]

 1 treatment tank 2 carrier 3 treatment section 4 purification section 9 electric motor 10 stirring blade 34 biodegradable material bag

Front Page Continuation (72) Inventor Masahiko Asada 2-18 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Akihiro Fukumoto 2-18-2 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Kenji Aita 2-18 Keihan Hondori, Moriguchi City, Osaka Prefecture Sanyo Electric Co., Ltd.

Claims (2)

[Claims] 1. An organic waste is put in a bag made of a biodegradable material that can be decomposed by microorganisms, and the bag is put into a treatment tank having a carrier and containing a crushing stirrer, and the crushing stirrer is operated. Crush the bag and mix the bag and organic waste with the carrier,
An organic waste treatment method in which a bag is decomposed by microorganisms, and at the same time, organic waste is decomposed by bag-shaped organisms such as nematodes and ringworms and microorganisms such as protozoa and bacteria. 2. An organic waste is put in a bag made of a biodegradable material that can be decomposed by microorganisms, and the bag is put into a treatment tank having a carrier and containing a crushing stirrer, and by operating the crushing stirrer. Crush the bag and mix the bag and organic waste with the carrier,
Organic waste that decomposes the bag with microorganisms, decomposes organic waste with bag-shaped animals such as nematodes and ringworms, and microorganisms such as protozoa and bacteria, and then decomposes the waste liquid mainly with bacteria Material processing method.