JPH09262572A - Garbage treatment equipment for multiple dwelling house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To miniaturaze a waste water treatment apparatus and to reduce operation cost. SOLUTION: Disposers 4 provided to drain pipes 3 of respective houses, a storage tank 7 gathering waste water containing a ground solid from the drain pipes 3 of the respective houses to temporarily store the same, the solid- liquid separation apparatus 8 started when the water quantity in the storage tank 7 reaches definite quantity and separating the waste water containing the ground solid into the ground solid and waste water, a waste water treatment apparatus 10 treating waste water separated by the solid-liquid separation apparatus 8 and a biological treatment tank removing or composting the ground solid separated by the solid-liquid separation apparatus 8 are provided. The ground solid is efficiently removed from the waste water sent to the waste treatment apparatus to be biologically treated.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a garbage disposal facility for apartment houses.

[0002]

2. Description of the Related Art Conventionally, in an apartment house where a crusher (disposer) is provided for each house, raw garbage is crushed by a crusher for several mm.
After crushing to a solid lump of a certain degree, it is discharged together with the wastewater, and these pipes are introduced into one wastewater treatment device via a discharge pipe combined into one, and the crushed solids are also treated by this wastewater treatment device. Was there.

[0003]

However, in the above structure, since wastewater and crushed solid matter are treated at the same time, the capacity and size of the wastewater treatment equipment are very large, the equipment cost is high, and the storage space is large. There was a problem that it would also grow. Further, there is a problem that the frequency of treatment of the residue increases and the operating cost required for maintenance increases.

An object of the present invention as set forth in claim 1 is to solve the above-mentioned problems and to provide a garbage disposal facility for an apartment house which can reduce the size of the wastewater treatment device and reduce the operating cost. And

[0005]

In order to achieve the above object, the invention according to claim 1 of the present invention is a garbage crusher installed in the drainage pipe of each door, and crushing from the drainage pipe of each door. A storage tank that collects wastewater containing solids and temporarily stores it, and a storage tank that is activated when the amount of water stored in the storage tank reaches a certain amount and separates wastewater containing ground solids in the storage tank into ground solids and wastewater. A liquid separation device, a wastewater treatment device for treating wastewater separated by this solid-liquid separation device, and a biotreatment tank for eliminating or composting the crushed solid matter separated by this solid-liquid separation device with useful microorganisms It is equipped with.

According to a second aspect of the present invention, in the solid-liquid separation device having the above structure, the casing has a drainage inlet in the lower portion and a solids outlet in the upper portion, and is rotatable from the drainage inlet to the solids outlet. A screw compression shaft is rotatably arranged, and a drain port is formed in this casing.

According to the above construction, the waste water containing the crushed solids processed by the garbage crusher of each house is collected in the storage tank and temporarily stored therein, and when the stored water amount reaches a certain amount, the solid-liquid separation device is activated. The treatment cost can be reduced as compared with the treatment every time the waste water is discharged. Further, since the wastewater treatment equipment treats wastewater containing no crushed solid matter, the wastewater treatment equipment can be constructed in a compact capacity and size, the equipment cost can be reduced, and the accommodation space can be reduced. In addition, the frequency of treatment of residues in the wastewater treatment equipment is reduced, and the operating cost required for maintenance can be reduced.

Further, by adopting a solid-liquid separating device having a screw compression shaft, it is possible to dewater while compressing the crushed solid matter entrained in the wastewater, and about 80% of the solid amount contained in the wastewater is reduced. It can be separated, and the frequency of pumping out the precipitation residue in the waste water treatment equipment can be extremely reduced.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Here, an embodiment of the garbage processing facility for an apartment house according to the present invention will be described with reference to FIG.

1 is an apartment house such as a high-rise condominium, and a drainage pipe 3 connected to, for example, a sink 2 installed in each house.
A disposer (garbage crusher) 4 for crushing kitchen waste discharged from a kitchen or the like into a crushed solid substance having a size of several millimeters is provided in each of the above. These drainage pipes 3 convey the wastewater containing the crushed solids to the drainage treatment chamber 6 on the lower floor by using the gravity of the drainage collecting pipe 5, and a pressure pump 5a is interposed as necessary.

In the wastewater treatment chamber 6, a storage tank 7 to which a wastewater collecting pipe 5 is connected, a solid-liquid separator 8 for separating crushed solid matter and wastewater from wastewater containing crushed solid matter, and a solid-liquid separator 8
There is provided a biotreatment tank 9 for eliminating or composting the crushed solid matter separated in step 1 by a group of useful microorganisms, and a wastewater treatment device 10 for treating the wastewater separated by the solid-liquid separation device 8.

The storage tank 7 is for temporarily storing the wastewater which is processed and discharged by the disposer 4 at an arbitrary time, and drives the solid-liquid separation device 8 in a concentrated manner to reduce the operating cost. In the aquarium body 7a, an upper water level detector 12A for detecting the upper limit water level UWL that activates the solid-liquid separation device 8 via the wastewater treatment control device 11 by a detection signal and a fixed signal via the wastewater treatment control device 11 by the detection signal. Sewage water level detector 1 for detecting the lower limit water level LWL to stop the liquid separation device 8
2B are provided respectively.

As shown in FIG. 2, the solid-liquid separation device 8 rotates the screw compression shaft 13 having the spiral blades 13a to compress the crushed solid matter for dehydration and separation. Is formed with a drainage inlet 14a to which the outlet 7a of the storage tank 7 is connected, and a solid matter discharge port 14b is formed in the upper part. Inside the casing 14, a spiral blade extends from the drainage inlet 14a to the solid matter discharge port 14b. A screw compression shaft 13 having an upper end 13a and a compression plug 13d is rotatably incorporated. In addition, a large number of drain holes 15 are provided in the casing 14.
A drain pipe 15 in which a is formed is arranged close to the outer peripheral portion of the screw compression shaft 13, and an upper drain port 14c communicating with a drain chamber 16 outside the drain pipe 15 is formed in the casing 14. Further, the shaft portion of the screw compression shaft 13 is formed in a hollow shape by forming a large number of drain holes 13b, and a drain port 13c is formed at the lower end portion. Further, below the screw compression shaft 13, there is provided a dehydration drive motor 17 that rotationally drives the screw compression shaft 13 via a winding transmission mechanism 16 including a belt and a pulley.

The biotreatment tank 9 has a solid matter discharge port 1 at the top.
4b is connected, and a stirring blade 21 that is rotationally driven by a driving device (not shown) at predetermined time intervals is provided inside, and a charging port (not shown) for charging a useful microorganism group at a predetermined amount. An outlet (not shown) for maintenance or compost extraction is provided to be openable and closable. In addition, when composting, it is necessary to take out the compost produced by fermentation, every time it is produced, but in the case of extinguishing treatment, there is almost nothing to take out except during maintenance.

The wastewater treatment device 10 is a solid-liquid separation device 8
High-concentration BO of wastewater that is connected to the drainage ports 14c and 13c of the wastewater via the drainage conduit 22 and is separated by the solid-liquid separation device 8.
D value, SS value, etc. are processed so as to be less than the emission control values for sewage and general rivers, and then discharged to sewage and rivers.

In the above structure, the food waste discharged from each house is crushed by the disposer 4 together with the sewage, and then sent together with the drainage from the drainage pipe 3 to the water storage tank 7 through the drainage collecting pipe 5. Then, when the amount of water stored in the water tank 7 is detected by the water level detector 12A, the dehydration drive motor 17 of the solid-liquid separation device 8 is activated to rotate the screw compression shaft 13, so that the water is discharged from the drain inlet 14a into the casing 14. Of the inflowing wastewater, the crushed solid matter is compressed and dehydrated by the spiral blade 13a and conveyed upward, and is introduced into the biotreatment tank 9 through the solid matter outlet 14b. In addition, drainage 14
The water is discharged from c and 13c, introduced into the wastewater treatment equipment 10, treated, and then discharged into sewage or a river. Then, when the amount of water stored in the water tank 7 is detected by the sewage level detector 12B, the solid-liquid separation device 8 is stopped.

According to the above-described embodiment, the waste water containing the crushed solids treated by the disposer 4 of each door is collected in the storage tank 7 and temporarily stored therein, and when the stored water amount reaches a certain amount, the solid-liquid separation device 8 is operated. Since it is started, the operating cost can be reduced as compared with the case where it is treated every time it is drained. In addition, the wastewater treatment device 10
Since the wastewater containing no crushed solids is supplied to and processed, the wastewater treatment device 10 can be configured with a small capacity and size, the facility cost can be reduced, and the accommodation space can be reduced. In addition, the screw compression shaft 13
The solid-liquid separation device 8 can separate about 80% of the crushed solids contained in the wastewater because the spiral blade 13a compresses the crushed solids for dehydration and solid-liquid separation. The processing frequency of the residue of the processing apparatus 10 is reduced, and the operating cost required for maintenance can be reduced.

[0018]

As described above, according to the invention of claim 1, the waste water containing the crushed solids processed by the garbage crusher of each house is collected in the storage tank and temporarily stored, and the stored water amount is When it reaches a certain amount, the solid-liquid separation device is activated and processed, so
The operating cost can be reduced as compared with the case where it is treated every time it is drained. Further, since the wastewater treatment equipment treats wastewater containing no crushed solid matter, the wastewater treatment equipment can be constructed in a compact capacity and size, the equipment cost can be reduced, and the accommodation space can be reduced. In addition, the frequency of treatment of residues in the wastewater treatment equipment is reduced, and the operating cost required for maintenance can be reduced.

Since the solid-liquid separation device having the screw compression shaft is adopted, it is possible to dewater while compressing the crushed solid matter entrained in the wastewater, and about 80% of the solid amount contained in the wastewater.
The above can be separated, and the frequency of pumping out the precipitation residue in the wastewater treatment device can be extremely reduced.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of a garbage processing facility for an apartment house according to the present invention.

FIG. 2 is a cross-sectional view showing a solid-liquid separation device of the food waste treatment facility for the same housing complex.

[Explanation of symbols]

 1 Apartment house 2 Sink 3 Drain pipe 4 Disposer 5 Drainage pipe 5a Pressure pump 6 Wastewater treatment room 7 Storage tank 8 Solid-liquid separation device 9 Biotreatment tank 10 Wastewater treatment device 11 Wastewater treatment control device 12A Water level detector 12B Sewage level Detector 13 Screw compression shaft 13a Spiral blade 13b Drain hole 13c Drain port 14 Casing 14a Drain inlet 14b Solid matter outlet 14c Drain port 15 Dehydration drive motor

Claims (2)

[Claims] 1. A garbage crusher installed in the drainage pipe of each house, a storage tank for collecting and temporarily storing wastewater containing crushed solids from the drainage pipe of each house, and a fixed amount of water stored in the storage tank. And a wastewater treatment device that treats the wastewater separated by this solid-liquid separation device, and a solid-liquid separation device that is activated when A garbage processing facility for an apartment house, comprising: a biotreatment tank for eliminating or composting the crushed solid matter separated by the solid-liquid separation device with a group of useful microorganisms. 2. A solid-liquid separator has a drain inlet at the bottom and a solids outlet at the top, and a screw compression shaft rotatable from the drainage inlet to the solids outlet is rotatably disposed in the casing. However, the drainage port is formed in this casing, The garbage processing equipment for apartment houses of Claim 1 characterized by the above-mentioned.