JP2002355651A - Organic waste treatment system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To treat organic waste by a closed system while controlling the generation of offensive odors. SOLUTION: The organic waste is mixed with a treatment base material, and the mixture is kneaded and then aged in an automatic storehouse. The organic waste is digested by microorganisms, and the aged organic waste is used as the treatment base material in the next treatment of organic waste.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system for treating organic waste such as garbage, and more particularly to a system for digesting organic waste with microorganisms to make it odorless and harmless.

[0002]

2. Description of the Related Art A system for producing compost by treating organic waste such as garbage with microorganisms is known. In such a system, there is a problem that a long place is required for fermentation of garbage by microorganisms, so that a large space is required, and a location is restricted by an unpleasant odor during fermentation.

In this regard, the applicant has provided a kneading means for kneading a treated base material containing microorganisms with organic waste, and an automatic warehouse for storing and kneading the kneaded material for a predetermined period of time. An application has been made for an organic waste treatment system in which the aged kneaded material is supplied to the kneading means as a processing base material for kneading with the next organic waste (Japanese Patent Application No. 2001-185).
No. 47).

[0004]

A basic object of the present invention is to provide a system capable of efficiently treating organic waste in a relatively small space, reducing the generation of secondary waste and offensive odor, and repeatedly using a treated base material. (Claims 1 to 6).
An additional object of the invention according to claims 2 and 3 is to reliably separate foreign matter. An additional problem with the invention of claim 4 is that
An object of the present invention is to make it possible to recycle the treated base material while suppressing malodor from the kneaded material put on the pallet and accelerating aging. An additional object of the present invention is to facilitate the handling and storage of the measured and aged kneaded material.

[0005]

SUMMARY OF THE INVENTION The present invention provides a kneading means for kneading a treated base material containing microorganisms with organic waste, and an automatic warehouse for storing and maturing a pallet on which the kneaded material is provided for a predetermined period. An organic waste treatment system provided to supply the aged kneaded material to the kneading means as a processing base material for kneading with the next organic waste, wherein foreign substances are removed from the aged kneaded material. Means for weighing the kneaded material from which foreign matter has been removed (claim 1).

[0006] Preferably, the removing means is constituted by at least one of a sieve and a specific gravity separator. Preferably, in addition to at least one of the sieve and the specific gravity separator, a magnetic separator for removing metal pieces from the organic waste before kneading or the aged kneaded material is provided (claim 3).

Preferably, there is provided means for sprinkling the processing base material on the kneaded material provided on the pallet, and the measuring means measures at least kneading and sprinkling (claim 4). Particularly preferably, the weighing means measures for kneading, sprinkling, and other uses (claim 5).

[0008] Preferably, a bucket warehouse for storing the measured and aged kneaded material is provided (claim 6).

[0009]

According to the present invention, the treated base material containing microorganisms and the organic waste are kneaded, put on a pallet, stored in an automatic warehouse, and aged. During this time, the organic waste is digested by microorganisms, and the matured kneaded material becomes a processing base material for kneading with the next organic waste. Aging can be performed in an automatic warehouse, so a large amount of kneaded material can be stored in a relatively small space, and the work in the warehouse can be almost automated, so humans work in the environment of high temperature, high humidity and high CO2 associated with fermentation. Less need. Further, the organic waste is digested by the microorganism and becomes the next processing base material, so that the generation of secondary waste is reduced. Furthermore, since it is aged on a pallet, it has high air permeability, does not need to be turned over, has a short fermentation period, and has a low odor. Further, according to the present invention, the foreign matter is removed from the aged kneaded material, measured and reused as the next processing base material. Therefore, no foreign matter is deposited on the processing base material, and the amount of the processing base material can be controlled ( Claim 1).

According to the second aspect of the present invention, foreign matters are removed by a sieve or a specific gravity separator, so that glass pieces, metal pieces, and the like can be removed, so that these foreign matters can be prevented from being deposited on the processing base material. According to the third aspect of the present invention, since a magnetic separator is further provided, even a fine metal piece can be removed.

According to the fourth aspect of the present invention, since the processing base material is sprinkled on the kneaded material arranged on the pallet, the odor can be further reduced, flies and insects can be prevented from approaching, and ripening can be accelerated. . The kneaded material that has been weighed for kneading and sprinkling can be accurately recycled. Claim 5
In the invention of the above, since the amount is measured for kneading, sprinkling and other uses, the excess can be distributed to other uses such as compost and removed from circulation use.

According to the sixth aspect of the present invention, since the aged kneaded material measured in the bucket warehouse is stored, the handling and storage thereof are facilitated.

[0013]

1 to 8 show an outline of a system for treating organic waste such as garbage. In these figures, 2 is an organic waste treatment system, 4 is a pit, and organic waste such as garbage is used in a garbage truck, a food factory, a marine processing plant, an agricultural processing plant, and a sewage treatment plant. From sludge tanks, paper mills and other pipes. In the case of garbage, for example, the garbage is packed into an easily decomposable plastic bag or the like and put into a pit. In the crusher 6, the organic waste (for example, garbage such as vegetables) input from the upper portion is dropped while being crushed by being sandwiched between gaps of crushing means such as a pair of rollers or a pair of gears. The goods are received in an appropriate case, and
And conveyed to the next kneading / laying machines 10 and 11. It should be noted that when the organic waste is crushed, a considerable malodor is generated. Therefore, it is preferable that the air in the crusher 6 is sent to a deodorizing means such as the soil deodorizing section 7 for deodorization.

The kneading / laying machines 10 and 11 knead the crushed organic waste with the processing base material, and then, for example, place it on a wooden pallet to have a substantially uniform thickness. The pallet to be used may be made of resin or iron which does not easily perish. 12
Reference numerals 18 denote conveyors, and the conveyors 12 and 13 transport cases containing organic wastes from the crusher 6 to the kneading / laying machines 10 and 11, and the conveyors 14 and 15 use a processing base material from an automatic case warehouse 42. Is transported to the kneading / laying machines 10 and 11. The conveyors 16 and 17 carry pallets on which kneaded materials of processing base materials and organic wastes such as garbage are placed, and the pallets are automatically stored in the pallet automatic warehouse 2 via the sprinklers 20 and 21.
Conveyed to 4. The conveyor 18 transports the case in the case automatic warehouse 42 to the work area 19 and
Then, operations such as replenishing sawdust into the case containing the processing base material are performed.

The kneading and laying machines 10 and 11 mix organic waste such as garbage and the processing base material at a predetermined ratio, and lay the kneaded material on a pallet to, for example, a substantially constant thickness. The processing base material is sprinkled almost uniformly over almost the entire surface of the kneaded material by the sprinklers 20 and 21 so as to cover the upper surface of the kneaded material. The pallets on which the processing base material is sprinkled by the sprinklers 20 and 21 are transported by conveyors 16 and 17 to stations 31 and 32 in an automatic warehouse.

In the automatic pallet warehouse 24, a stacker crane 26 for transporting pallets travels along a traveling path 25 provided at the center in the longitudinal direction, and for example, a pair of racks 28 and 29 are provided on both sides of the traveling path 25. Racks 28, 2
A pallet on which the kneaded material is placed is placed on the shelf 9 and, while controlling the temperature and humidity in the automatic warehouse 24 as necessary,
The kneaded material is aged on a pallet. Conveyors 16, 1 for transporting pallets from the sprinklers 20, 21 to the automatic warehouse 24
7 is placed in the automatic warehouse 24 and the station 3 for transferring the pallets to the stacker crane 26.
1, 32. Station 3 in the automatic warehouse 24
The conveyor 33 is provided in the station 33, receives the pallets on which the aged kneaded material is placed from the stacker crane 26, and carries out the pallets to the sieve / weighing machine 40. The station 34 is a station for carrying out the compost aged in the automatic warehouse 24 from the hopper 35, and includes a conveyor.

Numerals 36 and 37 denote air conditioners, which use the traveling path 25 of the stacker crane 26 as an air passage and an automatic warehouse 24.
Air conditioning inside. The air conditioning includes, for example, ventilation of the inside of the automatic warehouse 24 by blowing outside air from the air conditioners 36 and 37, dehumidification of the air in the automatic warehouse 24, and temperature adjustment of the air in the automatic warehouse 24. is there. In the automated warehouse 24,
It is important to control the temperature and humidity in order to age the kneaded material on the pallet.Keep the kneaded material on the pallet uniform and short, keeping the temperature and humidity under conditions that facilitate the activity of microorganisms in the treated base material. Aged in time. Note that ventilation may be performed by opening and closing windows without using an air conditioner, and the frequency may be changed according to temperature or humidity.

The sieving and weighing machine 40 is a pallet automatic warehouse 24
From the pallet on which the aged kneaded material is placed,
The kneaded material is separated from the pallet and sieved to separate foreign substances such as metal and plastic. The kneaded material from which the foreign matter has been separated is subdivided by a measuring device into predetermined amounts by a predetermined amount for other uses such as kneading, sprinkling, compost production and disposal of the next organic waste. The predetermined amount here is a predetermined amount for each application, and the predetermined amount changes as the application changes. The divided kneaded material is stored in an appropriate case and stored in the case automatic warehouse 42. 44
Is a stacker crane of the case automatic warehouse 42;
46 is, for example, a pair of racks, and 48 is a station connecting the sieve / weighing machine 40 and the case automatic warehouse 42, and is provided with a conveyor for transporting cases.

In addition to the above, the organic waste treatment system 2 is provided with a parking lot, an office, a material storage area, a flat storage area 50 for storing produced compost and the like. In the organic waste treatment system 2 shown in FIG. 1, the layout itself is arbitrary, but the layout of FIG.
Is suitable for a relatively small-scale organic waste treatment system provided with, for example, one.

FIG. 2 shows the structure of the kneading / laying machine 11.
In the following, garbage will be treated for convenience of description, but the same applies to other organic wastes. The garbage case 52 containing the garbage 53 and the like is sent from the crusher by the conveyor 13. Conveyor 1 from case automatic warehouse
5, the processing base material case 54 accommodating the processing base material 55
Is sent. For the garbage case 52, the input unit 6
The garbage 53 inside is dropped by, for example, chucking the case 52 at 0 and inverting it by 180 °. In the pulverizing / feeding unit 62, the processing base material 55 is dropped by, for example, chucking the processing base material case 54 and inverting it by 180 °. Since the crushing / feeding unit 62 is also used for crushing rice hulls and the like, the crushing / input unit 62 includes a crushing roller, a gear, and the like. In other respects, the pulverizing / charging unit 62 is configured similarly to the charging unit 60.

Reference numeral 56 denotes a pallet made of wood, iron, plastic, or the like, and it is preferable that the pallet has an improved air permeability by, for example, making a bottom part of a pallet or providing a mesh on the bottom part. Reference numeral 57 denotes a kneaded material provided on the pallet 56, which is provided so as to have a substantially uniform thickness so that ripening proceeds uniformly at the same speed.

The garbage 53 and the processing base material 55 are mixed in a kneading section 64.
The kneading section 64 is provided with, for example, three screw conveyors 65 and the like. At the time of kneading, the garbage and the processing base material are conveyed to the right side in FIG. 2 by the screw conveyor 65, and the conveyed garbage and the processing base material are transported to the collapse surface 66 and collapsed, and are kneaded during this. At the time of assembling, the screw conveyor 65 is rotated in the reverse direction to convey the kneaded material to the left side in FIG. The conveyed kneaded material falls through a hole 70 provided at the bottom of the kneading section 64 on the left side in FIG. 2, and the pallet 56 is moved from right to left in FIG.
When transported at 7, the kneaded material can be provided on the pallet 56 with a uniform thickness. Here, the arrangement direction of the holes 70 is the short side direction of the pallet 56, and the transport direction of the conveyor 17 is the long side direction of the pallet 56. However, the reverse direction may be used. It suffices if they are orthogonal.

Reference numeral 68 denotes a nozzle. As the decomposition of garbage is repeated, the microorganisms in the treated base material deteriorate, so that an aqueous solution of the same kind of microorganism used in the treated base material is supplied during kneading. Used to prevent the deterioration of microorganisms. The kneaded material 57 provided on the pallet 56 preferably has a substantially constant water content, and may be replenished with water from the nozzle 68 during a dry period such as winter. The water content may be roughly controlled, for example, the garbage may have a water content of about 95% in summer and about 70% in winter, and may be 60 to 60% after kneading and sprinkling or sprinkling.
About 65% is preferable. The water content after aging is, for example, 5
It is about 4%. Therefore, it is sufficient that water is refilled at the discretion of the operator without using a moisture meter or the like. Conversely, when the water content is too high, a treatment such as dehydration or drying may be performed.

In the embodiment, two kneading / placing machines 10 and 11 are provided.
And these configurations are basically the same. When composting is also performed by the kneading / laying machine 10, both the kneading / laying machines 10 and 11 are provided with a pulverizing / charging unit 62. When compost production is not performed in the kneading / laying machine 10, the kneading / laying machine 10 has an input section 60 without a pulverizing function.
May be provided as a pair. The mechanism for performing kneading and laying with the same apparatus is not limited to the screw conveyor 65 of FIG. For example, a screw or a blade is provided in the mixer to rotate and knead it.At the bottom of the mixer, an openable hole is provided.When kneading, the hole is closed and the kneaded material is closed. May be arranged so as to protrude from the hole.

FIG. 3 shows the structure of the sprinkler 20, and the other sprinklers 21 have the same structure. The conveyor 16 conveys the pallets 56 from the kneading / laying machine 10 to the pallet automatic warehouse 24, and 72 is a hopper for charging the processing base material, and at the outlet thereof, a oscillating conveyor 73 for oscillating motion is provided. The processing base material supplied from the hopper 72 is provided on the conveyor 73.
3 and is sprinkled almost uniformly on the kneaded material 57 from the drop hole 74 at the tip. Since the conveyor 73 oscillates, the processing base material is sprinkled so as to cover the entire surface of the kneaded material 57 with a substantially uniform thickness, and the sprinkling thickness is equal to the thickness of the kneaded material 57 (for example, about 40 cm thick). For example, about 1/10. While the pallet 56 is conveyed to the left side in FIG.
The processing base material is sprinkled almost uniformly on the top.

FIG. 4 shows the structure of the sieve / weighing machine 40. The kneaded material 5 aged from the station 33 by a conveyor is shown.
The pallet 56 carrying the No. 7 is carried out of the pallet automatic warehouse. The pallet 56 is chucked in the reversing and throwing machine 80 and, for example, is reversed by 180 °, whereby the kneaded material 57 falls into the hopper 82. A sieve 84 such as a vibrating sieve is provided at the outlet side of the hopper 82, and excluding metal pieces, glass pieces, ceramic pieces, plastic pieces, etc., which cannot pass through the mesh of the sieve, is discharged from the duct 89 to the foreign substance container 90. At this time, when the weight of the foreign substance is measured, the source of the foreign substance can be estimated by comparing the weight with the source of the waste.
When an upward or obliquely upward airflow is applied to the sieve 84,
Sheet-shaped plastics such as pieces of polyethylene bags can be removed by flowing away due to the difference in specific gravity from other kneaded materials.

The kneaded material that has passed through the sieve 84 enters the weighing device 88 from the hopper 86, and is subdivided into units for the next kneading, next sprinkling, compost production, and the like. In the embodiment, a magnetic separator using a magnet roller 91 and a belt 92 is provided near the measuring device 88, and the fine metal pieces that have passed through the sieve 84 are dropped into the duct 93 and removed. Anything other than the metal piece is not attracted to the magnet roller 91 and therefore falls at a different position, and falls not on the duct 93 but on the case 54. The type and installation position of the magnetic separator may be arbitrarily set, for example, the magnetic separator may be provided at a pit or a portion for inputting organic waste into a crusher, or the magnetic separator may not be provided.

Here, it has been shown that foreign matter is removed by the vibrating sieve and the magnetic separator, but in addition, as shown in FIGS. 5 and 6, a separator using a difference in specific gravity (hereinafter referred to as a specific gravity separator).
Or a sieve such as a vibrating sieve and a specific gravity separator may be used in combination. For example, it is preferable to use a sieve such as a vibrating sieve and a magnetic separator and a specific gravity separator in combination, or to use one of the sieve and the specific gravity separator and a magnetic separator together.

In FIG. 5, reference numeral 100 denotes a rotary sieve, 101 denotes a rotating drum, which discharges foreign substances from a mesh on a side surface;
Is an inlet, and 103 is a discharge unit. When the drum 101 is rotated by a mechanism (not shown), the input kneaded material is separated by specific gravity, and a metal piece, a glass piece, and a ceramic piece having a large specific gravity are discharged from the side of the drum 101, and an aged kneaded material having a small specific gravity is obtained. The (processed base material) is discharged from the discharge unit 103, for example, in an airflow.

FIG. 6 shows an example of a specific gravity sorter using a cyclone 110. Reference numeral 111 denotes a main body, which incorporates a blade 112, and
Reference numeral 3 denotes an input port, 114 denotes an openable and closable foreign substance outlet, and 115 denotes a discharge port. The kneaded material blown from the inlet 113 is
The wings 112 are swung tangentially by the rotating blades 112 and the main body 1
11 collides with the inner wall. Metal pieces, glass pieces, and ceramic pieces having a large specific gravity collide with the inner wall and lose their kinetic energy, settle down, and deposit on the foreign matter outlet 114. Exit 115
Is discharged from.

The kneaded material from which the foreign matter has been removed and weighed is subdivided into processing base material cases 54, and is stored in the automatic case storage 42 by the conveyor of the station 48 and stored.
The amounts of the processing base materials for kneading, sprinkling, and compost production are different from each other, and the amount according to each application is measured by the measuring device 88 and subdivided.

FIG. 7 shows a process of treating organic waste in the embodiment. Organic waste such as raw garbage introduced from the pit is crushed by a crusher, and the generated odor is treated in a soil deodorizing section or the like. The crushed organic waste is transported to a kneading / plating machine,
From the case automatic warehouse, the processing base material measured in an amount for kneading is conveyed through a conveyor and kneaded with the crushed organic waste. At this time, an active liquid composed of a microbial solution is added as necessary to compensate for the deterioration of the microorganisms, and water is replenished during the drying period.

In the kneading / laying machine, the kneading is performed first by using a single kneading device to reverse the rotation direction of the screw conveyor, and then the pallet is mounted.
When the pallets are placed on a kneading / laying machine while being conveyed on a conveyor, the pallets can be automatically placed to a substantially uniform thickness. The pallet on which the kneaded material is placed passes through the lower part of the sprinkler on a conveyor, and the treated base material is sprinkled almost uniformly on the surface thereof. The processing base material used for sprinkling is also stored in a case automatic warehouse on a case-by-case basis, conveyed to a sprinkler by a conveyor, and sprinkled.

The pallets on which the processing base material has been sprinkled are put into an automatic pallet warehouse by a conveyor, and are automatically placed on a predetermined shelf in the rack and stored. As a specific example, the amount of organic waste per pallet is, for example, 1
Approximately 50 kg, in the case of garbage, the water content is 70 in winter.
% In summer and about 95% in summer. The processing base material added by the kneader is mainly an aged kneaded material, and its volume is, for example, about 1000 liters. When the processing base material is insufficient, the amount is increased with sawdust, rice straw, wheat straw, rice husk, bark (wood skin), or the like. The ratio of kneading the organic waste and the processing base material is preferably about 3 to 20 liters of the processing base material per 1 kg of the organic waste. The water content of the kneaded material is about 60 to 65%, and the water is replenished in winter to obtain such a water content. The thickness of the kneaded material on the pallet that has been provided is, for example, 40 cm, and the thickness is preferably about 10 cm to 80 cm, particularly preferably about 20 cm to 60 cm, in order to ensure air permeability and perform uniform fermentation without turning back. And

The sawdust in the treated base material enhances the air permeability of the kneaded material, retains microorganisms and the like, and absorbs the generated bad smell and putrefaction liquid. The kneaded product of the treated base material and the organic waste is rendered odorless and harmless by digestion of nutrients by microorganisms, and practically hardly smells after sprinkling the treated base material. Sawdust is an example of a plant fiber content, and may be bark (wood skin), rice straw, wheat straw, rice husk, or the like.

Further, in the sprinkler, for example, about 100 liters of the processing base material is sprinkled on the surface of the kneaded material. The treated base material is an aged kneaded product itself, but if the amount is insufficient, sawdust or the like may be added, and when the microorganisms age or deteriorate, an aqueous solution of the microorganisms may be added. In the automatic pallet warehouse, ventilation, dehumidification and temperature adjustment are performed by the air conditioners 36 and 37, and the temperature in the automatic warehouse is slightly higher than the outside temperature due to the fermentation heat when the kneaded material is digested by microorganisms. By controlling the amount of ventilation, air conditioning is performed to a substantially constant temperature, and an increase in humidity due to evaporation from the kneaded material is prevented.

In the automatic pallet warehouse, the kneaded material is aged for about two weeks, and organic waste such as garbage is digested by microorganisms in the treated base material. During the first week during this period, the temperature of the kneaded material rises to about 70 ° C, and thermophilic bacteria are activated to decompose proteins, sugars, cellulose, and the like. Slowly decomposing components are decomposed. This fermentation is an aerobic fermentation on a pallet, and the generation of ammonia, hydrogen sulfide, and the like is slight because the air permeability is enhanced by sawdust and the like. In addition, the malodor such as ammonia generated in a minute amount is adsorbed and decomposed by the processing base material sprinkled on the surface of the kneaded material. Further, by sprinkling the treated base material, aging from the upper surface of the kneaded material is promoted, and the aging of the kneaded material as a whole is accelerated. If the main part of the pallet is made of wood, or the bottom of the pallet is made of a sword, or the bottom is provided with a mesh, the kneaded material can obtain ventilation from above and below. Furthermore, since it is arranged on a pallet, it is possible to obtain air permeability from the side direction, unlike the case of arranging on a bucket or the like. Then, air is supplied from the upper and lower gaps between the pallets and the traveling path of the stacker crane to the kneaded material. For these,
Aging of a large amount of organic waste can be completed uniformly and in a short time.

The kneaded material hardly smells after the treated base material is sprinkled. Aged kneaded material is 110 per pallet
The volume hardly changes at about 0 liters and the water content is 54%
It is slightly dry than the water content of 60 to 65% when kneading and sprinkling. Pathogenic bacteria and plant seeds are harmless because they die when the temperature is raised to about 70 ° C. in the early stage of fermentation. The aged kneaded material is odorless and harmless, and there is almost no decomposable organic matter.

The aged kneaded material is sieved with a sieve / weighing machine to remove foreign substances. The problem of foreign matter is plastics, glass, ceramics, and metals, which can be removed through a sieve by passing through a sieve. Next, fine particles of metal that have passed through the sieve can be removed by a magnetic separator using a magnet roller or the like. When a specific gravity sorter such as a rotary sieve or a cyclone is used, glass pieces, ceramic pieces, and the like can be removed. In this way, the foreign matter is removed, so that the foreign matter in the urban area can be used as compost even if it is processed, and the foreign matter does not accumulate even if the processing base material is repeatedly used. When compost production is not performed, foreign matter may be removed once for a plurality of processes.

The kneaded material from which foreign matter has been removed by passing through a sieve or the like is weighed by a measuring device such as a rotary measuring device, weighed by a predetermined amount for the next kneading and shaking, and stored in an automatic case warehouse. . This predetermined amount is, for example, 1000 liters for the next kneading and 100 liters for the sprinkling. If digestion proceeds too much and the total amount does not reach 1100 liters, the total amount is reduced to 1100 liters by adding sawdust and the like. I do.

When extracting an aged kneaded material for other uses such as compost production, a fiber amount such as sawdust which is almost the same as the amount of extraction is added, and the total amount of kneading and sprinkling is added. Make up to 1100 liters. The proportion of the circulating use in the organic waste treatment system for kneading and sprinkling is, for example, 50% or more, preferably 70% or more, and particularly preferably 70 to 90%. If there is no other use such as compost production, 100% is recycled for kneading and sprinkling. The processed base material measured for kneading is supplemented with fiber such as sawdust if necessary before kneading, and then re-entered into the case automatic warehouse. Then, the case is carried out to a kneading / laying machine by a conveyor, kneaded with garbage, and used for the next garbage treatment.

As shown in FIG. 7, the processing base material is operated on a pallet basis without being mixed with the processing base material derived from another pallet, and the decrease in the activity is compensated for by adding microorganisms. After the culture, microorganisms are added in a form such as an unused treated base material. The surplus is allocated to compost production. By operating the processing base material on a pallet basis without mixing with the processing base material from another pallet, damage when the processing base material is contaminated, deteriorated, or deteriorated can be minimized.
It is also possible to accurately manage the replacement time of the processing base material.

FIG. 8 shows the process of compost production. Since the demand for compost (compost) fluctuates remarkably depending on the season, the amount of compost produced also fluctuates seasonally. Until compost production becomes necessary, the excess of the aged kneaded material is subdivided for compost and stored in a case automatic warehouse. When compost production is not performed for a relatively long time, the entire amount of the aged kneaded material is recycled. For compost production, rice husks and the like are added and crushed in the crushing / feeding section of the kneading and laying machine. And serve on a pallet.

When crushing the rice husks, considerable dust is generated, and the crushed rice hulls are easy to fly and have poor storage properties. In addition, since it is a small-scale organic waste treatment system 2, the same apparatus is used for kneading and staking for garbage and composting. Then, the processed base material mixed with rice husks and added with nutrients is stored in an automatic warehouse using the same pallet, aged for about one week, the aged compost is discharged from a hopper, stored in a flat storage place, and shipped. .

In the embodiment, the inputted organic waste is made odorless and harmless in the organic waste treatment system 2, and the waste is only foreign matters such as metal and plastic. Other compost is produced, but this is not waste but can be used effectively. As described above, in the embodiment, the organic waste can be treated almost in a closed manner, the generation of odor is small, and the aging can be performed while efficiently controlling the aging in a three-dimensional automatic warehouse. It can be processed uniformly in a short time.

Although the embodiment has been described mainly with respect to the processing of garbage, marine waste, food processing waste, livestock waste, forestry waste, human waste, organic sludge such as activated sludge and sludge, beverage waste and the like are described. The same applies to fallen leaves, pruning waste, sawmill waste, and paper mill waste. In the embodiment, since aerobic fermentation is used, the generation of bad odor is small, and since the treated base material is sprinkled, flies and insects do not approach, and the organic waste can be decomposed in about two weeks in a short time. In addition, the burden on the environment such as the generation of CO2 and dioxin is small, the equipment cost is small, and there is no need for treatment such as incineration, denitration, desulfurization, and dust removal. The aged kneaded material can be reused in the treatment system, the secondary waste is small, and the secondary waste is harmless and odorless and can be used for compost and the like.

[Brief description of the drawings]

FIG. 1 is a plan view showing a layout of an organic waste treatment system according to an embodiment.

FIG. 2 is a plan view showing a kneading / placing machine used in the embodiment.

FIG. 3 is a plan view showing a sprinkler used in the embodiment.

FIG. 4 is a side view showing a sieve / weighing machine used in the embodiment.

FIG. 5 is a perspective view showing a rotary sieve used in a modification.

FIG. 6 is a perspective view showing a cyclone used in a second modification.

FIG. 7 is a process diagram showing a cycle of garbage circulation and disappearance in an example.

FIG. 8 is a process diagram showing a compost manufacturing process in an example.

[Explanation of symbols]

 2 Organic waste treatment system 4 Pit 5 Conveyor 6 Crusher 7 Soil deodorizing unit 10, 11 Kneading / laying machine 12-18 Conveyor 19 Work area 20, 21 Sprinkler 22 Conveyor 24 Pallet automatic warehouse 25 Runway 26 Stacker crane 28,29 rack 31-34 station 35 hopper 36,37 air conditioner 40 sieve / weigher 42 case automatic warehouse 44 stacker crane 45,46 rack 48 station 50 flat place 52 garbage case 53 garbage 54 processing base material case 55 processing Base material 56 Pallet 57 Kneaded material 60 Input unit 62 Crushing input unit 64 Kneading unit 65 Screw conveyor 66 Collapse surface 68 Nozzle 70 Hole 72 Hopper 73 Swing conveyor 74 Drop hole 80 Reversing input device 82 Hopper 84 Sieve 86 Hopper 88 Weighing device 89, 93 Duct 90 Foreign matter container 91 Magnet roller 92 Belt 100 Rotary sieve 101 Drum 102 Input port 103 Discharge unit 110 Cyclone 111 Main body 112 Blade 113 Input port 114 Foreign substance exit 115 Output port

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Claims (6)

[Claims] 1. A kneading means for kneading a treated base material containing microorganisms with organic waste, and an automatic warehouse for storing and maturing a pallet on which the kneaded material is provided for a predetermined period of time. An organic waste treatment system in which the kneaded material thus obtained is supplied to the kneading means as a processing base material for kneading with the next organic waste, and a means for removing foreign matter from the aged kneaded material. Means for measuring the kneaded material from which foreign matter has been removed. 2. The organic waste treatment system according to claim 1, wherein said removing means includes at least one of a sieve and a specific gravity separator. 3. A magnetic separator for removing metal fragments from organic waste before kneading or aged kneaded material, in addition to at least one of a sieve and a specific gravity separator. 2. Organic waste treatment system. 4. A means for sprinkling a processing base material on the kneaded material provided on a pallet, and the measuring means measures at least kneading and sprinkling. The organic waste treatment system according to claim 1. 5. The organic waste treatment system according to claim 4, wherein said weighing means is weighed for kneading, sprinkling, and other uses. 6. A bucket warehouse for storing a measured and aged kneaded material, wherein a bucket warehouse is provided.
Or 5 organic waste treatment system.