JP2008036581A - Garbage disposal system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a garbage disposal system which can enhance convenience of workers by reducing a solid content obtained by solid-liquid separation of waste water containing garbage. <P>SOLUTION: A disposer 2 crushes the garbage to discharge waste water W1 containing the crushed garbage to a garbage disposal apparatus 4. The garbage disposal apparatus 4 carries out decomposition treatment of the garbage contained in the waste water W1 to discharge waste water W2 containing the garbage subjected to decomposition treatment to a waste water treatment apparatus 3. The waste water treatment apparatus 3 carries out solid-liquid separation of the waste water W2 by a solid-liquid separation tank 31, removes settled garbage S1 and floating garbage S2 to be a solid content contained in the waste water W2, and discharges purified water P4 subjected to purification treatment of waste water W3 removing the solid content by an anaerobic treatment tank 32, an aeration treatment tank 33, a sedimentation tank 34 and a sterilization tank 35 in turn to public sewage, river or the like. The solid content is reduced by decomposition treatment of the solid content in the garbage disposal apparatus 4 and the necessity to remove the settled garbage S1 and the floating garbage S2 accumulated in a solid-liquid separation tank 31 performed by workers is reduced. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a garbage disposal system for treating sewage containing crushed garbage.

  In recent years, various garbage processing systems for processing garbage generated in kitchens of general households and restaurants have been proposed.

  In the conventional garbage disposal system, garbage is crushed by a disposer (garbage crusher), sewage containing the crushed garbage is sent to the sewage treatment device, solid-liquid separated by the sewage treatment device, and then purified. Discharge wastewater to public sewers and rivers.

FIG. 4 is an explanatory diagram showing a configuration of a conventional garbage disposal system 10.
The garbage processing system 10 includes a disposer 72 and a sewage treatment device 73. The sewage treatment device 73 includes a solid-liquid separation tank 74, an anaerobic treatment tank 75, an aeration treatment tank 76, a settling tank 77, a disinfection tank 78, and sludge. A return pump 79 is provided.

  The garbage disposed in the disposer 72 is crushed by the disposer 72. In the disposer 72, the crushed raw garbage and the tap water W supplied from the water tank 71 are mixed to become sewage W1, and the sewage W1 flows into the solid-liquid separation tank 74 of the sewage treatment device 73.

The sewage W1 that has flowed into the solid-liquid separation tank 74 is separated into solid waste S4 and floating waste S5 and liquid sewage W4. The separated sewage W4 is sent to the anaerobic treatment tank 75, for example, anaerobic. The purification process by the sexual bacteria is performed to become the first stage purified water T1.
Moreover, the sedimentation waste S4 and the floating waste S5 separated in the solid-liquid separation tank 74 are accumulated in the solid-liquid separation tank 74, and the amount of the sedimentation waste S4 and the floating garbage S5 accumulated in the solid-liquid separation tank 74 is predetermined. When the accumulated amount is exceeded, the worker pulls it out from the solid-liquid separation tank 74 and disposes it separately as sludge.

  The purified water T1 subjected to anaerobic treatment in the anaerobic treatment tank 75 is sent to the aeration treatment tank 76, where, for example, purification treatment with aerobic bacteria is performed to obtain second-stage purified water T2, and the purified water T2 subjected to aerobic treatment is It is sent to the settling tank 77.

In the sedimentation tank 77, the sludge S6 contained in the purified water T2 precipitates at the bottom of the sedimentation tank 77, and the third stage purified water T3, which is the supernatant of the purified water T2, is sent to the disinfection tank 78.
The sludge S6 precipitated in the settling tank 77 is returned to the solid-liquid separation tank 74 by the sludge return pump 79.
The purified water T3 sent to the sterilization tank 78 is sterilized and sterilized to become purified water T4 in the final stage, and this purified water T4 is discharged to public sewers, rivers and the like.

Incidentally, another conventional garbage disposal system includes a disposer and a wet garbage disposal apparatus.
Wet garbage processing equipment is used as treatment water for decomposing garbage into water, carbon dioxide, etc. by mixing microorganisms in the water of the aquarium, and the raw water crushed by the disposer in this treated water. Garbage is thrown into, and for example, microorganisms are decomposed into microorganisms while circulating and agitating treated water with an underwater pump (see Patent Document 1).
JP 2002-336830 A

The sewage W1 containing raw garbage crushed by the disposer 72 contains a larger amount of solids than general wastewater.
For this reason, the amount of solid content (precipitate dust S4 and floating dust S5) accumulated in the solid-liquid separation tank 74 frequently exceeds a predetermined accumulation amount, and the operator frequently pulls out the accumulated solid content. Necessity comes out. In addition, the amount of sludge to be disposed of separately increases.

Here, in order to reduce the amount of solids accumulated in the solid-liquid separation tank 74, microorganisms are mixed in the solid-liquid separation tank 74 and the solid-liquid separation tank 74 is used as a wet garbage processing apparatus. Conceivable.
However, in order to efficiently decompose the precipitated dust S4 and the floating dust S5, which are solids, with microorganisms, it is necessary to stir the solid liquid in the solid-liquid separation tank 74 as a whole.

On the other hand, when the solid-liquid separation tank 74 is agitated, the solid-liquid separation becomes insufficient, adversely affects the sewage purification process after the anaerobic treatment tank 75, and the sewage that is not sufficiently purified becomes public sewers, rivers It can be released to etc.
And in order to fully purify sewage, the sewage purification ability after the anaerobic treatment tank 75 must be improved, and the burden on the sewage treatment apparatus 73 is increased.

  The present invention has been made in view of such circumstances, and the main object of the present invention is to provide a wet-type garbage disposal device between the disposer and the sewage treatment apparatus, thereby solid-liquid separation of sewage containing garbage. An object of the present invention is to provide a garbage disposal system that can efficiently and sufficiently treat this sewage while reducing the solid content.

  Another object of the present invention is to provide a configuration in which the purified water filtered by the sewage treatment apparatus is supplied to the disposer and / or the garbage treatment apparatus, thereby reducing the running cost by reusing the purified water. The object is to provide a garbage disposal system.

  Still another object of the present invention is to easily supply a necessary amount of purified water at an appropriate timing by temporarily storing the purified water to be supplied to the disposer and / or the garbage disposal apparatus in a water storage tank. An object of the present invention is to provide a garbage disposal system that can be used.

  The garbage processing system according to the present invention includes a disposer that crushes garbage, discharges sewage containing crushed garbage, and solid-liquid separates sewage containing garbage, and purifies the sewage from which solids have been separated. In a garbage processing system comprising a sewage treatment apparatus that treats and discharges to the outside, a wet process for decomposing the garbage contained in the sewage discharged by the disposer with microorganisms and discharging sewage containing the decomposed garbage The sewage treatment apparatus is characterized in that the sewage discharged by the garbage treatment apparatus is subjected to solid-liquid separation.

  In the garbage processing system according to the present invention, the sewage treatment apparatus has a filtration unit that filters purified water obtained by purifying sewage from which solids have been separated, and transports the purified water filtered by the filtration unit And a transport pump for supplying to the disposer and / or the garbage processing apparatus.

  The garbage processing system according to the present invention includes a water storage tank that temporarily stores the purified water conveyed by the conveyance pump before supplying the purified water to the disposer and / or the garbage processing apparatus.

In the present invention, the disposer crushes the garbage, and discharges the sewage containing the crushed garbage to the wet garbage processing apparatus.
The garbage processing apparatus decomposes the garbage contained in the sewage discharged by the disposer with microorganisms, and discharges the sewage containing the decomposed garbage to the sewage treatment apparatus.
The sewage treatment apparatus performs solid-liquid separation on the sewage discharged from the garbage processing apparatus, that is, the sewage containing the decomposed garbage, purifies the sewage from which the solid content is separated, and discharges it to the outside.

The sewage containing raw garbage crushed by the disposer contains a lot of raw garbage that is a solid content compared to general wastewater, but this raw garbage is decomposed by the garbage processing equipment. The amount of garbage contained in the sewage discharged to the sewage treatment apparatus is reduced.
Further, since at least a part of the garbage is converted into a soluble solid content by the decomposition treatment, for example, it is settled at the bottom of the solid-liquid separation tank provided in the sewage treatment apparatus or is suspended in the vicinity of the water surface, There is a possibility that the amount may be further reduced by melting.
Furthermore, since it is not necessary to stir the solid-liquid in the solid-liquid separation tank in order to promote the decomposition process of garbage by microorganisms, the solid-liquid separation is sufficiently performed.

In the present invention, the sewage treatment apparatus performs solid-liquid separation of sewage containing garbage that has been decomposed by the garbage treatment apparatus, purifies the sewage from which the solid content has been separated, and purifies the purification process. Water is filtered through the filter.
A conveyance pump conveys the purified water which the filtration part filtered, and supplies it to at least one of a disposer and a garbage disposal apparatus.

Disposers require water supply in order to crush and discharge garbage. In addition, in the garbage processing apparatus, in order to promote the decomposition processing of garbage by microorganisms, it is necessary to supply water containing oxygen.
Generally, tap water is used as these waters, but at least a part of the tap water is replaced with purified water.

  In the present invention, the purified water filtered by the filtration unit is transferred by the transfer pump, and the transferred purified water is temporarily stored in the water storage tank and then supplied to at least one of the disposer and the garbage disposal apparatus.

In the case of the garbage processing system of the present invention, since the garbage crushed by the disposer is decomposed by the garbage processing apparatus, the garbage contained in the sewage discharged from the disposer through the garbage processing apparatus to the sewage treatment apparatus. The amount of garbage can be reduced.
For this reason, it is possible to lengthen the time until the amount of the solid content accumulated in the sewage treatment apparatus exceeds the predetermined accumulation amount, and as a result, the operator needs to frequently extract the accumulated solid content. Disappear. In addition, the amount of sludge to be disposed of separately is reduced.

Furthermore, since the garbage contained in the sewage is decomposed by microorganisms in the garbage treatment apparatus, it is not necessary to simultaneously perform solid-liquid separation and decomposition by microorganisms in the sewage treatment apparatus. For this reason, it is possible to efficiently and sufficiently perform the decomposition treatment with microorganisms in the garbage treatment apparatus, and to sufficiently separate the liquid into the sewage treatment apparatus.
Furthermore, since the sewage is sufficiently solid-liquid separated in the sewage treatment apparatus, the sewage can be easily purified and the sufficiently purified water can be discharged to public sewers, rivers, etc. .

In the case of the garbage processing system of the present invention, the purified water can be reused because the purified water can be supplied to the disposer and / or the garbage processing apparatus that require the supply of water.
As a result, since the amount of water (for example, tap water) supplied from the outside to the disposer and / or the garbage processing apparatus can be reduced, the running cost of the garbage processing system can be reduced.

In the case of the garbage processing system of the present invention, the purified water once stored in the water storage tank is supplied to the disposer and / or the garbage processing apparatus, so that the necessary amount of purified water can be easily supplied from the water storage tank at an appropriate timing. , The disposer and / or the garbage disposal apparatus.
Since the water storage tank can be easily disposed in the vicinity of the disposer and / or the garbage processing apparatus to which the purified water is to be supplied, for example, the operator can determine the amount of water stored in the water storage tank, the disposer and / or the garbage. While confirming the operation status of the treatment apparatus, the water supply amount provided to the disposer and / or the garbage disposal apparatus and the supply timing can be adjusted by manually opening and closing the water tap provided in the water storage tank.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.

Embodiment 1.
FIG. 1 is an explanatory diagram showing a configuration of a garbage disposal system 11 according to Embodiment 1 of the present invention.

The garbage processing system 11 crushes the garbage, disposes the sewage containing the crushed garbage, and disposes the sewage containing the garbage as a solid-liquid separation, and purifies the sewage from which the solid content has been separated. Between the wastewater treatment device 3 discharged to the outside and the wastewater discharged from the disposer 2 by the microorganisms, and the wet wastewater treatment device discharges the wastewater containing the decomposed garbage. 4 is provided.
The sewage treatment apparatus 3 is configured to solid-liquid separate the sewage discharged from the garbage treatment apparatus 4, that is, the sewage containing the decomposed garbage.

Below, the structure of the garbage processing system 11 is explained in full detail.
The disposer 2 crushes raw garbage input from an inlet provided in the disposer 2 while being supplied with tap water W through the water tap 21, and produces sewage W1 composed of the crushed raw garbage and tap water W. Discharge to the waste disposal device 4. The water tap 21 is opened and closed manually by an operator who puts garbage into the disposer 2.
The internal configuration of such a disposer 2 is substantially the same as the internal configuration of the disposer of the conventional garbage disposal system.

The garbage processing apparatus 4 receives the sewage W1 discharged from the disposer 2. The garbage disposal apparatus 4 mixes aerobic microorganisms in the received sewage W1, agitates it with a submersible pump (not shown), aerates it with an air pump (not shown), and further passes through a water tap 41. While the tap water W mixed with oxygen is supplied, the garbage contained in the sewage W1 is decomposed by microorganisms.
Here, the water tap 41 is controlled by the control unit of the garbage processing apparatus 4 and is configured to automatically open and close according to the operating state of the garbage processing apparatus 4. For this reason, the tap water W is supplied to the garbage processing apparatus 4 at an appropriate amount of water supply and at an appropriate timing.

  In the garbage processing apparatus 4, since sufficient oxygen is given to microorganisms by sufficient agitation of the sewage W1, aeration and supply of tap water W, the garbage contained in the sewage W1 is efficiently collected. Fully decomposed.

Part of the decomposed garbage is converted into water and mixed in the sewage W1, and is converted to oxygen dioxide and emitted from the sewage W1 to the outside. That is, the amount of raw garbage contained in the sewage W1 is reduced.
Furthermore, the other part of the decomposed garbage becomes a soluble solid content, and the remaining part becomes an insoluble solid content.
The garbage disposal apparatus 4 discharges the sewage W2 containing the decomposed garbage.
The internal configuration of such a garbage disposal apparatus 4 is substantially the same as the internal configuration of the garbage disposal apparatus of the conventional garbage disposal system.

  The sewage treatment apparatus 3 includes a solid-liquid separation tank 31, an anaerobic treatment tank 32, an aeration treatment tank 33, a settling tank 34, a disinfection tank 35, and a sludge return pump 36.

The solid-liquid separation tank 31 accepts the sewage W2 discharged from the garbage processing apparatus 4.
In the solid-liquid separation tank 31, the sewage W2 includes a precipitated solid content S1 that precipitates at the bottom of the solid-liquid separation tank 31, a floating solid content S2 that floats near the water surface of the solid-liquid separation tank 31, and a sewage W3 that is liquid. Separate into solid and liquid.
The sewage W3 from which the solid content has been separated in the solid-liquid separation tank 31 flows into the anaerobic treatment tank 32. However, the sewage W3 contains a slight solid content.
The solid-liquid separation tank 31 may be configured to naturally solid-liquid separate by storing the sewage W2 in the solid-liquid separation tank 31 for a long time, or may be configured to forcibly perform solid-liquid separation by incorporating a filtration device.

  Since the precipitated solid content S1 and the floating solid content S2 include a soluble solid content, the solid content is gradually dissolved in the sewage W3 in the solid-liquid separation tank 31. Moreover, since the sewage W2 discharged from the garbage processing apparatus 4 also contains microorganisms, the microorganisms are decomposed slightly in the solid-liquid separation tank 31 by the microorganisms. That is, the amount of raw garbage contained in the sewage W3 is reduced.

  The precipitated solid content S1 and the suspended solid content S2 (particularly insoluble solid content) are accumulated in the solid-liquid separation tank 31, and when the amount of the precipitated solid content S1 and the suspended solid content S2 exceeds a predetermined accumulated amount, It is pulled out from the solid-liquid separation tank 31 by an operator and disposed of separately as sludge. However, the amount of this sludge is small, and it is not necessary to frequently perform the extraction work by the operator.

The anaerobic treatment tank 32 receives the sewage W3 flowing in from the solid-liquid separation tank 31, mixes anaerobic microorganisms in the received sewage W3, and purifies the sewage W3 with the microorganisms (anaerobic treatment). Here, the solid content contained in the sewage W3 is decomposed by microorganisms.
Purified water P <b> 1 obtained by purifying the sewage W <b> 3 flows into the aeration treatment tank 33. However, the purified water P1 also contains a slight solid content.

The aeration treatment tank 33 receives the purified water P1 flowing from the anaerobic treatment tank 32, mixes aerobic microorganisms into the received purified water P1, and purifies the purified water P1 with microorganisms while aeration with an air pump (not shown). Processing (aerobic processing). Here, the solid content contained in the purified water P1 is decomposed by microorganisms.
The purified water P2 obtained by purifying the purified water P1 flows into the sedimentation tank 34. However, the purified water P2 also contains a slight solid content.

The sedimentation tank 34 receives the purified water P2 that has flowed from the aeration treatment tank 33.
In the sedimentation tank 34, the purified water P2 is solid-liquid separated into sludge S3 that precipitates at the bottom of the sedimentation tank 34 and purified water P3 that is a supernatant.
The purified water P3 from which the solid content has been separated in the settling tank 34 flows into the disinfection tank 35. The purified water P3 contains almost no solid content.

The disinfecting tank 35 receives the purified water P3 flowing from the settling tank 34 and mixes the received purified water P3 with a disinfectant to perform a purification process (sterilization / disinfection process).
The purified water P4 obtained by purifying the purified water P3 is discharged to public sewers, rivers and the like.

The sludge return pump 36 is arranged such that the suction port opens at the bottom of the sedimentation tank 34 and the discharge port opens above the water surface of the solid-liquid separation tank 31.
The sludge S3 precipitated at the bottom of the sedimentation tank 34 is sucked into the sludge return pump 36 and discharged to the solid-liquid separation tank 31 to be returned to the solid-liquid separation tank 31, and as the solid precipitation S1, the solid-liquid separation tank 31. Accumulated in.

  The internal configuration of such a sewage treatment apparatus 3 is substantially the same as the internal configuration of a conventional sewage treatment apparatus.

The above garbage processing system 11 puts the garbage crushed by the disposer 2 and discharged together with the tap water W into a wet garbage processing apparatus, and decomposes, ferments and solubilizes the garbage in advance by microorganisms. It is sent to the sewage treatment apparatus 3. For this reason, the amount of solids accumulated in the solid-liquid separation tank 31 is reduced, and the accumulated solids are also solubilized, so that they dissolve into the sewage W3 over time.
Therefore, unlike the sewage treatment apparatus of the conventional garbage disposal system, the sludge is not immediately accumulated in the solid-liquid separation tank, and the maintenance of the garbage disposal system 11 can be simplified.

  The garbage disposal system 11 is, for example, a wet garbage disposal apparatus 4 interposed between the disposer 2 of the conventional garbage disposal system and the sewage treatment apparatus 3, or the disposer 2 of the conventional garbage disposal system. The wastewater treatment apparatus 3 is arranged next to the wet garbage disposal apparatus 4 and the wet garbage disposal apparatus 4. For this reason, when the conventional garbage processing system is already installed, it is not necessary to replace this garbage processing system with a completely different new garbage processing system, and the garbage processing system 11 is configured at low cost.

Furthermore, since it is not necessary to completely separate the solid waste and sewage that have been decomposed in the garbage processing apparatus 4, a filtration unit for filtering the sewage discharged from the garbage processing apparatus 4 is provided. There is no need to prepare for 4. For this reason, the burden on the garbage disposal apparatus 4 is reduced, the configuration of the garbage disposal apparatus 4 is simplified, and it is not necessary to separately dispose of the garbage collected by the filtration unit of the garbage disposal apparatus 4. .
In addition, the structure which opens and closes the water tap 21 automatically according to the operating condition of the disposer 2 may be sufficient.

Embodiment 2. FIG.
FIG. 2 is an explanatory diagram showing a configuration of the garbage processing system 12 according to Embodiment 2 of the present invention.
The garbage disposal system 12 includes a disposer 2 and a wet garbage disposal apparatus 4 similar to those of the first embodiment, and a sewage treatment apparatus 5.
However, the garbage disposal apparatus 4 is supplied with purified water P7 as described later, instead of the tap water W supplied via the water tap 41 as in the first embodiment.

The sewage treatment apparatus 5 includes a solid-liquid separation tank 51 and an anaerobic treatment tank 52 similar to the solid-liquid separation tank 31 and anaerobic treatment tank 32 of the first embodiment, an aeration treatment tank 53, a disinfection tank 55, a return pump 56, One transport pump 57 and a second transport pump 58 are provided.
However, the solid-liquid separation tank 51 is returned with purified water P5 as described later, instead of the sludge S3 returned by the sludge return pump 36 as in the first embodiment.

The aeration treatment tank 53 receives the purified water P1 flowing from the anaerobic treatment tank 52, mixes aerobic microorganisms into the received purified water P1, and purifies the purified water P1 with microorganisms while aeration with an air pump (not shown). Processing (aerobic processing). Here, the solid content contained in the purified water P1 is decomposed by microorganisms.
The purified water P5 obtained by purifying the purified water P1 contains a slight solid content.

In the aeration treatment tank 53, a filtration unit 54 for filtering the purified water P5 is disposed. The filtration unit 54 uses a microporous membrane, and filters out the solid content contained in the purified water P5 and leaves it in the aeration treatment tank 53.
Since the sewage treatment apparatus 5 includes the filtration unit 54, it is not necessary to include a tank corresponding to the sedimentation tank 34 of the first embodiment.

The first transfer pump 57 is arranged such that the suction port opens into the aeration treatment tank 53 and the discharge port opens into the disinfection tank 55.
When the transport pump 57 is operated, the purified water P5 is moved to the filtration unit 54 side and filtered by the filtration unit 54, and the purified water P6 obtained by filtering the purified water P5 is discharged to the disinfection tank 55.
The purified water P6 contains almost no solid content.

The return pump 56 is arranged such that the suction port opens at the bottom of the aeration treatment tank 53 and the discharge port opens above the water surface of the solid-liquid separation tank 51.
The purified water P5 containing the solid content is sucked into the return pump 56 and discharged to the solid-liquid separation tank 51, whereby it is returned to the solid-liquid separation tank 51 and separated into solid and liquid again.

The sterilization tank 55 receives the purified water P6 that has flowed from the aeration tank 53 via the first transfer pump 57, and mixes the received purified water P6 with a disinfectant to perform a purification process (sterilization and sterilization process).
A part of the purified water P7 obtained by purifying the purified water P6 is discharged to public sewers, rivers and the like.

The second transport pump 58 is arranged such that the suction port opens at the bottom of the disinfection tank 55 and the discharge port opens above the water surface of the garbage processing apparatus 4.
By operating the transport pump 58, the other part of the purified water P7 is transported to the garbage processing apparatus 4.
Oxygen is mixed in the purified water P7 by aeration in the aeration treatment tank 53. For this reason, in the garbage processing apparatus 4, sufficient oxygen is given with respect to microorganisms by sufficient stirring of the sewage W1, and aeration and supply of the purified water P7.

  Here, the 2nd conveyance pump 58 is controlled by the control part of the garbage processing apparatus 4, for example, according to the quantity of the purified water P7 stored in the disinfection tank 55, and the operating condition of the garbage processing apparatus 4. The operation start / stop operation is automatically switched.

  Thus, the 1st and 2nd conveyance pumps 57 and 58 function as a conveyance pump for conveying the purified water P6 and P7 which the filtration part 54 filtered, and supplying the purified water P7 to the garbage processing apparatus 4. To do.

  Other parts corresponding to those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

The garbage processing system 12 as described above is filtered by the filtration unit 54 using a microporous membrane and reuses the purified water P7 containing oxygen, and treats garbage in place of the tap water W containing oxygen. Supply to device 4. For this reason, the water supply amount of the tap water W with respect to the garbage processing apparatus 4 is reduced, and the maintenance cost of the garbage processing system 12 is reduced.
In addition, since the amount of purified water P7 discharged into public sewers, rivers, etc. is reduced, it contributes to reducing the burden on the sewage treatment plant and protecting the environment of the river.
The garbage disposal system 12 is simply configured by arranging the sewage treatment apparatus 5 next to the disposer 2 and the wet garbage disposal apparatus 4 of the conventional garbage disposal system, for example.

In addition, although the structure which supplies purified water also to a disposer may be sufficient, since a disposer does not require supply of water except at the time of throwing in garbage, it exists in the garbage processing system 12 of a structure like Embodiment 2. Is easier to supply only to the garbage processing apparatus.
In addition, tap water W may be used in addition to the purified water P7 when water is supplied to the garbage disposal apparatus 4.

Embodiment 3. FIG.
FIG. 3 is an explanatory diagram showing the configuration of the garbage processing system 13 according to Embodiment 3 of the present invention.
The garbage disposal system 13 includes a disposer 2, a wet garbage disposal apparatus 4, a sewage treatment apparatus 5, and a water storage tank 6 similar to those of the second embodiment.

However, the disposer 2 is supplied with purified water P7, as will be described later, instead of the tap water W supplied via the water tap 21 as in the second embodiment.
The second transport pump 58 is arranged such that the discharge port opens above the water surface of the water storage tank 6.

The water storage tank 6 is disposed in the vicinity of the disposer 2 and the garbage disposal device 4 and temporarily stores the purified water P7 transported by the transport pump 58.
Connected to the bottom of the water storage tank 6 are a drain pipe 610 in which a water tap 61 is arranged in the middle, and a drain pipe 620 in which a water tap 62 is arranged in the middle.
When the water tap 61 is opened, the purified water P7 stored in the water storage tank 6 passes through the drain pipe 610 and is supplied to the disposer 2.
Further, when the water tap 62 is opened, the purified water P7 stored in the water storage tank 6 passes through the drain pipe 620 and is supplied to the garbage processing apparatus 4.

An operator who puts garbage into the disposer 2 manually opens and closes the water tap 61 while confirming the amount of the purified water P7 stored in the water tank 6 and the operating state of the disposer 2, and appropriately enters the disposer 2. The purified water P7 is supplied at an appropriate timing.
The water tap 62 is controlled by the control unit of the garbage processing device 4 so as to automatically open and close depending on the amount of the purified water P7 stored in the water storage tank 6 and the operating state of the garbage processing device 4. It is configured. For this reason, the purified water P7 is supplied to the garbage processing apparatus 4 at an appropriate amount of water supply and at an appropriate timing.

In the disposer 2 and the garbage disposal apparatus 4, the purified water P7 is used in the same manner as the tap water W supplied to the disposer 2 and the garbage disposal apparatus 4 in the first embodiment.
Other parts corresponding to those of the first and second embodiments are denoted by the same reference numerals, and description thereof is omitted.

The garbage processing system 13 as described above supplies the purified water P7 stored in the water storage tank 6 to the garbage processing apparatus 4 as in the second embodiment.
Further, the disposer 2 temporarily needs a large amount of water when crushing the garbage, but by using the purified water P7 as this water, the amount of tap water W supplied to the disposer 2 is reduced, The maintenance cost of the garbage disposal system 13 is reduced.
In addition, the amount of purified water P7 discharged into public sewers, rivers, etc. is further reduced.

The garbage disposal system 13 is simply configured by arranging the sewage treatment apparatus 5 next to the disposer 2 and the wet garbage disposal apparatus 4 of the conventional garbage disposal system, and further arranging the water storage tank 6. Is done.
In addition, the structure which automatically opens and closes the water tap 61 according to the quantity of the purified water P7 stored in the water storage tank 6 and the operating state of the disposer 2 may be used.
In addition, when water is supplied to the disposer 2 and the garbage disposal apparatus 4, the tap water W may be used in addition to the purified water P7.

It is explanatory drawing which shows the structure of the garbage processing system which concerns on Embodiment 1 of this invention. It is explanatory drawing which shows the structure of the garbage processing system which concerns on Embodiment 2 of this invention. It is explanatory drawing which shows the structure of the garbage processing system which concerns on Embodiment 3 of this invention. It is explanatory drawing which shows the structure of the conventional garbage processing system.

Explanation of symbols

11, 12, 13 Garbage treatment system 2 Disposer 3, 5 Sewage treatment device 4 Garbage treatment device 54 Filtration part 57, 58 Conveyance pump 6 Water storage tank S1 Precipitation solid content (solid content)
S2 suspended solids (solids)
W1, W2, W3 Wastewater P1, P2, P3, P4, P5, P6, P7 Purified water

Claims (3)

A disposer that crushes garbage and discharges sewage containing crushed garbage;
In a garbage disposal system comprising a sewage treatment device that separates sewage containing garbage into a solid and liquid, purifies the sewage from which the solid content has been separated, and discharges it to the outside.
A waste garbage treatment device that decomposes the garbage contained in the sewage discharged by the disposer with microorganisms and discharges the sewage containing the decomposed garbage,
The wastewater treatment system is characterized in that the wastewater discharged from the wastewater treatment apparatus is subjected to solid-liquid separation. The sewage treatment apparatus has a filtration unit for filtering purified water obtained by purifying sewage from which solid content has been separated,
The garbage disposal system according to claim 1, further comprising a conveyance pump for conveying the purified water filtered by the filtration unit and supplying the purified water to the disposer and / or the garbage disposal apparatus.   The garbage disposal system according to claim 2, further comprising a water storage tank for temporarily storing the purified water conveyed by the conveyance pump before supplying the purified water to the disposer and / or the garbage disposal apparatus.

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