JP2003290749A - Garbage disposal system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a garbage disposal system capable of preventing the inside of a composting apparatus from being dried and preventing sludge from being not recovered. <P>SOLUTION: The disposal system for garbage is provided with a solid liquid separation tank 10 for settling and separating garbage, sludge or the like contained in flow-in water, a solid liquid separator 40 for separating a solid liquid mixture transported by a transporting means from the bottom of the solid liquid separation tank 10 into a solid portion and a liquid portion, a composting apparatus 50 for degrading the separated solid portion by microorganism inhabiting on a support and a control means for controlling the same. The control means controls to charge from the solid liquid separator 40 to the composting apparatus right after the transportation from the solid liquid separation tank 10 to the solid liquid separator 40 and to charge the solid liquid mixture before solid liquid separation to the composting apparatus 50. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food waste processing system for processing crushed food waste, sludge, etc. crushed by a disposer or the like.

[0002]

2. Description of the Related Art As this type of food waste treatment system, a disposer wastewater treatment system proposed by the applicant of the present application is a solid-liquid separation tank into which crushed food waste wastewater and kitchen wastewater crushed by a disposer in a sink sink flow. And a solid-liquid separation device that separates the solid-liquid mixture transferred by an air lift from the bottom of the solid-liquid separation tank into a solid component and a liquid component, and returns the liquid component to the solid-liquid separation tank, and from the solid-liquid separation tank. A treatment tank (aeration tank) that decomposes organic components in the inflowing treated water by microorganisms, and a sedimentation separation tank that separates sludge from the treated water that flows in from this treatment tank and discharges the supernatant liquid to sewers, etc. It comprises a composting device and the like for decomposing the solid content separated by the solid-liquid separation device with microorganisms inhabiting a carrier (chips such as sawdust) and composting it. The sludge settled and separated in the settling tank is returned to the solid-liquid separating tank by an air lift, and is put into the solid-liquid separating apparatus by the air lift together with the crushed food waste to be collected.

[0003]

By the way, in the above structure, when the disposer is not used for a long period of time, the solid content recovered by the composting device is exhausted, and the chips become dry. As a result, there is a problem in that the chips are blown up by the ventilation and are scattered by the ventilation, and the filters of the blower pump used for air lift and aeration are clogged.

Further, the openings for capturing solids in the solid-liquid separation device are usually not very fine. This is because if it is made fine, clogging easily occurs. Therefore, the mesh size is increased, but this makes it difficult to collect the sludge generated by the wastewater treatment. Therefore, the sludge is collected together with the crushed food waste by the filter effect of the crushed food waste itself. The filter effect of the crushed food waste is that sludge cannot pass through the crushed food waste, so that sludge can be collected by solid-liquid separation together with the crushed food waste.

From the above, if the disposer is not used for a certain period or longer, not only crushed food waste but also sludge cannot be recovered.

Therefore, the present invention has been made in order to solve such a problem, and it is possible to prevent the inside of the composting device from being dried and prevent the sludge from being unable to be recovered. It is intended to provide a processing system.

[0007]

In order to achieve the above object, the present invention provides a solid-liquid separation tank for settling and separating crushed food waste, sludge and the like contained in inflow water, and this solid-liquid separation tank. A solid-liquid separator that separates the solid-liquid mixture transferred by the transfer means from the bottom inside into solid and liquid components, and a composting device that decomposes the separated solid by a microorganism that inhabits the carrier, and these Equipped with control means for controlling,
The control means performs a charging operation from the solid-liquid separation device to the composting device immediately after the transfer from the solid-liquid separation tank to the solid-liquid separation device under a predetermined condition, and a solid-liquid mixture before solid-liquid separation. Is put into the composting device.

[0008] Specifically, it has a water content detection means for detecting the water content of the contents in the composting device, and the control means is based on the output of the water content detecting device. When the water content of the stored product is less than a predetermined value, the solid-liquid mixture is charged into the composting device.

Further, the storage means has a water content detecting means for detecting the water content of the contents stored in the composting device, and the control means is based on the output of the water content detecting means. The solid-liquid mixture is charged into the composting device when the water content of the product is below a predetermined value for a predetermined period or longer.

Further, the solid-liquid separation tank is provided with a wastewater containing crushed garbage crushed by the disposer and has a disposer use detecting means for detecting the use of the disposer, and the control means has the disposer. Based on the output of the use detecting means, the solid-liquid mixture is fed to the composting device when the disposer is not used for a predetermined period or longer.

Further, the sludge accumulation amount detecting means for detecting the sludge accumulation amount in the solid-liquid separation tank is provided, and the control means is based on the output of the sludge accumulation amount detecting means. When the sludge accumulation amount exceeds a predetermined amount, the solid-liquid mixture is charged into a composting device.

Further, the control means comprises a sludge accumulation amount detecting means for detecting the sludge accumulation amount in the solid-liquid separation tank, and a water content detecting means for detecting the water content rate of the contents stored in the composting device. Is based on the outputs of the sludge accumulation amount detection means and the water content detection means, when the sludge accumulation amount in the solid-liquid separation tank exceeds a predetermined amount, and the water content of the stored items in the compost device is predetermined. When the value does not exceed the value, the solid-liquid mixture is charged into a composting device.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a configuration diagram of a disposer wastewater treatment system as one embodiment of a food waste treatment system to which the present invention is applied. (A) is a top view and (b) is a side sectional view. 2 is a block diagram showing the main part of the control system.

This disposer wastewater treatment system comprises a solid-liquid separation tank 10, a processing tank (aeration tank) 20, and a precipitation separation tank 3.
0, solid-liquid separation device 40, composting (composting) device 5
0, a blower pump 60, an air flow path switching device 70, a housing 80 for housing them, and a control unit 100 including a microcomputer for controlling the entire system shown in FIG.
Etc. In addition to those described above, the control unit 100 is connected with a disposer 1, an operation display unit 2 including a start switch and a liquid crystal display, a sludge accumulation amount detection sensor S1 and a water content detection sensor S2, which will be described later. There is. In addition, in FIG. 1, the air supply pipe 71 from the air flow path switching device 70 is provided with a treatment tank 2 for the sake of clarity.
Other than 0 are omitted or simplified by arrows.

The solid-liquid separation tank 10 has an inflow pipe 11 from a disposer (not shown) and a solid-liquid separation device 40 from the bottom of the tank.
An air lift pipe 12 for air-lifting crushed food waste, sludge, etc., an air lift pipe 31 for returning sludge from the sedimentation separation tank 30, and an air diffusing pipe 14 for cleaning the filter 13 are connected to the lower part of the air lift pipe 12. Air supply pipes 71, 71 from the air flow path switching device 70 are connected to the air diffuser pipe 14, respectively. In addition, an outlet port 15 is formed in the upper part of the tank for allowing the supernatant to flow into the processing tank 20 through the filter 13. Further, in the present embodiment, the sludge accumulation amount is detected by detecting the sludge interface (the sludge accumulation height up to the boundary between the settled sludge and the supernatant liquid) in the solid-liquid separation tank 10 by using an ultrasonic sensor or the like. A sludge accumulation amount detection sensor S1 (shown in FIG. 2) is provided. In this solid-liquid separation tank 10, a solid-liquid mixture containing crushed food waste, sludge and the like is separated into a solid content and a liquid content by natural sedimentation.

An aeration pipe 21 for aeration is arranged in the center of the bottom of the processing tank 20, and an air supply pipe 71 from the air flow path switching device 70 is connected to the air diffusion pipe 21. This air diffuser 21
On both sides of each of them, a string-like filter medium 22 as a carrier in which two rows of aerobic microorganisms inhabit is arranged. In addition, an outlet 23 is formed in the upper part of the tank to let the treated water flow out into the precipitation separation tank 30. In this processing tank 20, the air diffuser 2
The aeration process using No. 1 activates aerobic microorganisms living in the string-shaped filter medium 22 to decompose organic components in the water to be treated.

Further, an air lift pipe 31 for returning the settled sludge m from the bottom of the tank to the solid-liquid separation tank 10 is provided in the sedimentation separation tank 30, and the air lift pipe 31 from the air flow path switching device 70 is provided below the air lift pipe 31. The air supply pipe 71 is connected. In addition, at the top of the tank, there is a drainage port 3 for letting out the supernatant liquid.
2 is formed, and a drain pipe for sewage or the like is connected to the drain port 32. In this precipitation separation tank 30, the processing tank 20
The surplus sludge generated in step 2 is settled and separated at the bottom of the tank by natural sedimentation.

The solid-liquid separation device 40 has fixed teeth 41 and oscillating teeth 42 which are formed in the shape of an arcuate comb and mesh with each other. The solid-liquid separation device 40 crushes crushed food waste and sludge air-lifted from the solid-liquid separation tank 10. The solid-liquid mixture containing it is stored, and the rocking teeth 42 are rocked a predetermined number of times to drain water, thereby separating into solid and liquid, and the separated liquid is returned to the solid-liquid separation tank 10 and separated. The remaining solid content is thrown into the composting device 50 with the oscillating teeth 42 inverted.

The composting device 50 has a stirrer, a heater, a ventilation fan, etc., and the solid content (organic matter) charged
Is decomposed by microorganisms living in a carrier (chips such as sawdust) stored in advance, and composted. Further, in the present embodiment, a water content detection sensor S2 (shown in FIG. 2) that detects the water content of the stored items in the composting device 50 is provided.

The air flow path switching device 70 switches the flow path of the air supplied from one blower pump 60 via the air supply pipe 61 to any one of the air supply pipes 71 to the above-mentioned respective parts.

Explaining the normal operation of the above construction, first, the waste water containing the crushed food waste and the domestic waste water from the kitchen from the disposer 1 are introduced into the solid-liquid separation tank 10 through the inflow pipe 11 and are separated by sedimentation there. Crushed garbage, sludge and the like are put into the solid-liquid separation device 40 by the air lift pipe 12. The solid-liquid mixture introduced into the solid-liquid separator 40 is separated into a solid component and a liquid component, the liquid component is returned to the solid-liquid separation tank 10, and the solid component is introduced into the composting device 50 to decompose organic matters by microorganisms. Composted by processing. In addition, the solid-liquid separation tank 10
The supernatant liquid of the above flows out to the treatment tank 20 through the filter 13 and the organic component is decomposed by the microorganisms inhabiting the string-like filter medium 22 by the aeration process by the air diffuser 21. Then, the treated water from the treatment tank 20 flows into the sedimentation separation tank 30, the sludge m is precipitated and separated, and the supernatant liquid is discharged from the drainage port 32 to the sewage or the like through the drainage pipe. Sedimentation tank 30
The sludge m precipitated in (1) is returned to the first-stage solid-liquid separation tank 10 via the air lift pipe 31, and is introduced into the solid-liquid separation device 40 via the air lift pipe 12 along with the crushed garbage as described above to be collected.

From the solid-liquid separation tank 10 to the solid-liquid separation device 40
The airlift transfer of the solid-liquid mixture to the solid-liquid mixture and the airlift return of the sludge m from the sedimentation separation tank 30 to the solid-liquid separation tank 10 are performed regularly (for example, every 30 minutes).

Next, the solid-liquid separation operation characteristic of the present invention will be described with reference to the flow charts shown in FIGS.

FIG. 3 is a flow chart showing an embodiment of the solid-liquid separation operation characteristic of the present invention.

This solid-liquid separation operation is regularly activated, and first, when air is lifted from the solid-liquid separation tank 10 to the solid-liquid separation device 40 (process 101), the water content detection sensor S2 shown in FIG. 2 is used. It is checked whether or not the detected moisture content in the composting device 50 is below a predetermined value (decision 102).

If the water content is not less than the predetermined value, then the next FIG.
It is checked whether or not the sludge accumulation amount in the solid-liquid separation tank 10 detected by the sludge accumulation amount detection sensor S1 shown in (4) exceeds a predetermined amount (NO in judgment 102 → decision 103).

If the amount of sludge accumulated does not exceed the predetermined amount,
As described above, the normal solid-liquid separation operation is performed in which the swinging teeth 42 of the solid-liquid separator 40 are swung a predetermined number of times and inverted (Judgment 1).
03 NO → process 104), and the process ends.

On the other hand, if the moisture content of the stored items in the composting device 50 is below the predetermined value in the judgment 102, it means that the stored items are dry, so that the solid-liquid separation device 40 is shaken. The swinging operation of the moving tooth 42 is not performed, and the solid-liquid mixture charging operation of reversing the moving tooth 42 is performed (YE of judgment 102).
S → process 105), and the process ends. With this, it is possible to prevent the contents stored in the composting device 50 from being dried, and the dry dust is blown up by the ventilation, scattered on the ventilation 80 in the housing 80, and is used as an air lift or a blower pump for aeration. It is possible to reliably prevent problems such as clogging the filter of 60.

Further, in the judgment 103, the solid-liquid separation tank 10
If the amount of accumulated sludge in the inside exceeds a predetermined amount, it means that the sludge cannot be collected. Therefore, similarly to the above, the rocking teeth 42 of the solid-liquid separation device 40 are not rocked and inverted. The solid-liquid mixture charging operation is performed (YES in judgment 103 → process 105), and the operation is ended. As a result, the sludge can be collected properly.

FIG. 4 is a flow chart showing another embodiment of the solid-liquid separation operation characteristic of the present invention.

Similar to the above, this solid-liquid separation operation is periodically started, and when air is lifted from the solid-liquid separation tank 10 to the solid-liquid separation device 40 (process 201), the output of the water content detection sensor S2 is output. Based on this, it is checked whether or not the water content of the items stored in the composting device 50 has been kept below the predetermined value for a predetermined period or longer (decision 202).

If the condition that the water content is below the predetermined value does not continue for the predetermined period or longer, then whether the sludge accumulation amount in the solid-liquid separation tank 10 exceeds the predetermined amount based on the output of the sludge accumulation amount detection sensor S1. It is checked whether or not (No in judgment 202 →
Decision 203).

If the sludge accumulation amount does not exceed the predetermined amount,
As described above, the normal solid-liquid separation operation in which the swinging teeth 42 of the solid-liquid separation device 40 are swung a predetermined number of times to be reversed is performed (NO in determination 203 → process 204), and the process ends.

On the other hand, in the judgment 202, if the moisture content of the stored items in the composting device 50 remains below the predetermined value for the predetermined period or longer, it means that the stored items are abnormally dried. Then, the rocking teeth 42 of the solid-liquid separation device 40 are not rocked, and the solid-liquid mixture charging operation of reversing the rocking teeth 42 is performed (YES in judgment 202 → process 205), and the process ends. As a result, it is possible to prevent the contents stored in the composting device 50 from being abnormally dried, and a large amount of dried dust is blown up by the ventilation, and the ventilation is carried on the casing 80.
It is possible to prevent such a problem that the filter is scattered inside and the filter of the blower pump 60 used for air lift or aeration is clogged.

Further, in the judgment 203, the solid-liquid separation tank 10
If the amount of accumulated sludge in the inside exceeds a predetermined amount, it means that the sludge cannot be collected. Therefore, similarly to the above, the rocking teeth 42 of the solid-liquid separation device 40 are not rocked and inverted. The solid-liquid mixture charging operation is performed (YES in determination 203 → process 205), and the process ends. As a result, the sludge can be collected properly.

FIG. 5 is a flow chart showing still another embodiment of the solid-liquid separation operation which is characteristic of the present invention.

Similar to the above, this solid-liquid separation operation is regularly activated, and when air is lifted from the solid-liquid separation tank 10 to the solid-liquid separation device 40 (process 301), the operation display unit shown in FIG. Based on the output of the start switch in 2,
It is checked whether or not the disposer 1 is not used for a predetermined period or longer (decision 302).

If the state in which the disposer 1 is not used does not continue for a predetermined period or longer, then whether the sludge accumulation amount in the solid-liquid separation tank 10 exceeds the predetermined amount based on the output of the sludge accumulation amount detection sensor S1. Is checked (NO in judgment 302 → judgment 303).

If the sludge accumulation amount does not exceed the predetermined amount,
As described above, the normal solid-liquid separation operation in which the swinging teeth 42 of the solid-liquid separation device 40 are swung a predetermined number of times and reversed is performed (NO in determination 303 → process 304), and the process ends.

On the other hand, in the judgment 302, the disposer 1
If the state of not using is continued for a predetermined period or longer, there is no inflow of crushed food waste, so the stored items in the composting device 50 are dry, and sludge cannot be collected. Therefore, the rocking teeth 42 of the solid-liquid separation device 40 are not rocked, and the solid-liquid mixture charging operation is performed by reversing the rocking teeth 42 (YES in judgment 302 → process 3).
05), the process ends. Thereby, the composting device 50
It is possible to prevent the stored items inside from drying, and the dry dust is blown up by the ventilation, and the ventilation is carried to the housing 8
It is possible to prevent such a problem that the filter of the blower pump 60 used for air lift or aeration is clogged because it is scattered within 0. In addition, sludge generated by wastewater treatment can be collected without the inflow of crushed food waste.

Further, in the judgment 303, the solid-liquid separation tank 10
If the amount of accumulated sludge in the inside exceeds a predetermined amount, it means that the sludge cannot be collected. Therefore, similarly to the above, the rocking teeth 42 of the solid-liquid separation device 40 are not rocked and inverted. The solid-liquid mixture charging operation is performed (YES in determination 303 → process 305), and the process ends. As a result, the sludge can be collected properly.

FIG. 6 is a flow chart showing still another embodiment of the solid-liquid separation operation characteristic of the present invention.

Similar to the above, this solid-liquid separation operation is periodically activated, and when air is lifted from the solid-liquid separation tank 10 to the solid-liquid separation device 40 (process 401), the output of the sludge accumulation amount detection sensor S1 is output. Based on the above, it is checked whether or not the amount of sludge accumulated in the solid-liquid separation tank 10 exceeds a predetermined amount (decision 402).

If the sludge accumulation amount does not exceed the predetermined amount,
After shifting to process 404, the normal solid-liquid separation operation of rocking the rocking teeth 42 of the solid-liquid separation device 40 a predetermined number of times and reversing is performed (NO in judgment 402 → process 404), and ends.

On the other hand, if the sludge accumulation amount exceeds the predetermined amount, then whether the moisture content of the stored items in the composting device 50 exceeds the predetermined value based on the output of the moisture content detection sensor S2, That is, it is checked whether the water content is too high (YES in judgment 402 → judgment 403).

If the water content exceeds the predetermined value and is too high, the composting device 5 is operated when the solid-liquid mixture is charged.
Since the water content in 0 further increases and deteriorates the composting process, a normal solid-liquid separation operation of rocking the rocking teeth 42 of the solid-liquid separating device 40 a predetermined number of times and reversing is performed (decision 40).
No. 3 → process 404), and the process ends.

On the other hand, in the judgment 403, if the moisture content of the contents in the composting device 50 does not exceed the predetermined value, that is, if the moisture content is not too high, the solid-liquid separation device 4
The rocking tooth 42 of 0 is not rocked, and the solid-liquid mixture charging operation of reversing is performed (YES in judgment 403 →
The process 405) is ended. As a result, it is possible to prevent the contents stored in the composting device 50 from drying, and it is possible to appropriately collect the sludge.

By the way, in the above-described embodiment,
Although the apparatus for treating the solid content separated by the solid-liquid separation apparatus 40 is the composting apparatus 50 for decomposing the solid content (organic matter) by microorganisms, the solid content is heated and dried for the recovery of sludge. Even if it is applied to a food waste treatment system using a drying device for reducing the volume, the same effect as described above can be obtained.

[0050]

As described above, according to the present invention, the solid-liquid separation tank for settling and separating the crushed food waste, sludge, etc. contained in the inflow water, and the transfer means from the bottom of the solid-liquid separation tank. A solid-liquid separation device for separating a solid-liquid mixture into a solid content and a liquid content, a composting device for decomposing the separated solid content with microorganisms resident in a carrier, and a control means for controlling these, and a control means Under the specified conditions, immediately after transferring from the solid-liquid separation tank to the solid-liquid separation device, the solid-liquid separation device performs the charging operation to the composting device, and the solid-liquid mixture before solid-liquid separation is converted into the composting device. By charging the inside of the composting device, it is possible to prevent the inside of the composting device from being dried and prevent the sludge from being unable to be collected.

Specifically, it has a water content detecting means for detecting the water content of the contents stored in the composting device, and the control means, based on the output of the water content detecting means, controls the contents stored in the composting device. When the water content is less than or equal to a predetermined value, by throwing the solid-liquid mixture into the composting device, it is possible to prevent the contents stored in the composting device from drying, and the dry dust rises by ventilation, It is possible to reliably prevent a problem that the air blows and scatters in the housing to clog an air lift or a filter of a blower pump used for aeration.

Further, it has a water content detecting means for detecting the water content of the contents in the composting device, and the control means determines the water content of the contents in the composting device based on the output of the water content detecting means. When the state below a predetermined value continues for a predetermined period or longer, by throwing the solid-liquid mixture into the composting device, it is possible to prevent the contents stored in the composting device from being abnormally dried and dried. A large amount of dust is blown up by the ventilation, and the dust is scattered inside the housing.
It is possible to prevent problems such as clogging of filters of blower pumps used for air lift and aeration.

Further, the solid-liquid separation tank is provided with a wastewater containing crushed garbage crushed by the disposer and has a disposer use detecting means for detecting the use of the disposer, and the control means is a disposer use detecting means. Based on the output, when the state where the disposer is not used continues for a predetermined period or longer, by throwing the solid-liquid mixture into the composting device, when there is no inflow of crushed food waste, the contents stored in the composting device are It is possible to prevent it from drying, and it is possible to recover the sludge generated by the wastewater treatment without the inflow of crushed food waste.

Further, it has sludge accumulation amount detection means for detecting the accumulation amount of sludge in the solid-liquid separation tank, and the control means determines the accumulation amount of sludge in the solid-liquid separation tank based on the output of the sludge accumulation amount detection means. When the amount exceeds the predetermined amount, by introducing the solid-liquid mixture into the composting device, the sludge can be properly recovered.

Further, it has sludge accumulation amount detecting means for detecting the sludge accumulation amount in the solid-liquid separation tank, and water content detecting means for detecting the water content of the contents in the composting device, and the control means is sludge. When the amount of sludge accumulated in the solid-liquid separation tank exceeds a specified amount based on the outputs of the accumulated amount detecting means and the water content detecting means, and the moisture content of the stored items in the composting device does not exceed the specified value. In addition, by introducing the solid-liquid mixture into the composting device, sludge can be collected without deteriorating the composting process.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of the present invention, (a)
Is a top view and (b) is a side sectional view.

FIG. 2 is a block diagram showing a main part of the control system shown in FIG.

FIG. 3 is a flowchart showing an embodiment of a solid-liquid separation operation that is characteristic of the present invention.

FIG. 4 is a flow chart showing another embodiment of solid-liquid separation operation.

FIG. 5 is a flow chart showing still another embodiment of the solid-liquid separation operation.

FIG. 6 is a flow chart showing still another embodiment of the solid-liquid separation operation.

[Explanation of symbols]

1 Disposer 2 Operation display section 10 Solid-liquid separation tank 12 Air lift pipe 20 Treatment tank (aeration tank) 30 sedimentation tank 31 Airlift pipe for sludge return 40 Solid-liquid separation device 41 fixed teeth 42 swinging teeth 50 Composting device 60 blower pump 70 Air flow path switching device 80 housing 100 control unit S1 Sludge accumulation amount detection sensor S2 Water content detection sensor

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) C05F 9/02 B09B 3/00 Z (72) Inventor Keiichi Fujimoto 2-5 Keihanhondori, Moriguchi-shi, Osaka 5 Sanyo Denki Co., Ltd. (72) Inventor Kozo Akamatsu 2-5-5 Keihan Hondori, Moriguchi City, Osaka Prefecture Sanyo Denki Co., Ltd. (72) Inventor Isao Yoneda 2 Keihan Hondori, Moriguchi City, Osaka Prefecture 5-5 5 Sanyo Electric Co., Ltd. (72) Inventor Hiroyuki Takami 2-5-5 Keihan Hondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. F-term (reference) 4D004 AA02 AA03 BA04 CA04 CA13 CA15 CA19 CA22 CB05 CB06 CC08 DA01 DA02 DA09 DA11 4D026 BA03 BF18 4D059 AA07 BA01 BA21 BA27 BE31 BF15 BJ00 CA22 CC01 DB32 EA01 EB02 4H061 AA03 CC51 CC55 GG10 GG13 GG69

Claims (6)

[Claims] 1. A solid-liquid separation tank for settling and separating crushed food waste, sludge and the like contained in inflow water, and a solid-liquid mixture transferred by a transfer means from the bottom of the solid-liquid separation tank to a solid content and a liquid content. A solid-liquid separation device for separating into, a composting device for decomposing the separated solid content by microorganisms inhabiting the carrier, and a control means for controlling these, the control means, under predetermined conditions, Immediately after transferring from the solid-liquid separation tank to the solid-liquid separator, the solid-liquid separator is charged into the composting device, and the solid-liquid mixture before solid-liquid separation is charged into the composting device. Garbage disposal system. 2. A water content detecting means for detecting a water content of a stored item in the composting device, wherein the control means is based on an output of the water content detecting means.
The food waste treatment system according to claim 1, wherein the solid-liquid mixture is introduced into the composting device when the water content of the contents stored in the composting device is not more than a predetermined value. 3. A water content detecting means for detecting a water content of a stored item in the composting device, wherein the control means is based on an output of the water content detecting means,
The food waste disposal method according to claim 1, wherein the solid-liquid mixture is put into the composting device when the water content of the stored items in the composting device is kept below a predetermined value for a predetermined period or longer. system. 4. The solid-liquid separation tank is provided with a wastewater containing crushed food waste crushed by a disposer and has a disposer use detecting means for detecting use of the disposer, and the control means has the disposer. The food waste processing system according to claim 1, wherein, based on the output of the usage detecting means, the solid-liquid mixture is fed to the composting device when the disposer is not used for a predetermined period or longer. 5. A sludge accumulation amount detecting means for detecting the sludge accumulation amount in the solid-liquid separation tank, wherein the control means is based on the output of the sludge accumulation amount detecting means. The food waste treatment system according to any one of claims 1 to 4, wherein the solid-liquid mixture is introduced into a composting device when the amount of accumulated sludge exceeds a predetermined amount. 6. The control means comprises sludge accumulation amount detecting means for detecting the sludge accumulation amount in the solid-liquid separation tank, and water content detecting means for detecting the water content of the stored items in the composting device. Is based on the outputs of the sludge accumulation amount detection means and the water content detection means, when the sludge accumulation amount in the solid-liquid separation tank exceeds a predetermined amount, and the water content of the stored items in the compost device is predetermined. The food waste treatment system according to claim 1, wherein the solid-liquid mixture is charged into a composting device when the value does not exceed the value.