JP2003062546A - Household garbage treatment device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a household garbage treatment device with almost no problem of an offensive odor, capable of largely shortening a time required to perform composting of a garbage. SOLUTION: This household garbage treatment device according to the present invention is provided with a fermentation tank which decomposes the garbage with a fungal bed contaminated with a microorganism and an upper lid to cover the upper side of the fermentation tank, wherein a plurality of ventilation holes which perform a ventilation between the inside and the outside of the fermentation tank are formed, and the upper lid where a plurality of charcoal pieces which adsorb a water content or an odor component generated in the fermentation tank is provided on the opposite side to the fermentation tank. A warm water jacket which accommodates warm water heated with a heater is provided between the external wall surface and internal wall surface of the fermentation tank. A warm air supplying section where the external atmosphere is heated (with a heater and with the heat of the warm water in the warm water jacket) and is supplied to the bottom of the fungal bed in the fermentation tank is provided at the bottom of the fermentation tank.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a domestic garbage processing apparatus for fermenting household garbage with microorganisms to compost it.

[0002]

2. Description of the Related Art Conventionally known household garbage treating apparatuses utilizing microorganisms require a long period of 30 to 60 days to compost the garbage, and the garbage is decomposed for a long period of time. Stinks continue to occur,
It was difficult to use near a private house.

Further, in the conventional domestic garbage disposal device,
Since it takes a long time for the garbage to be composted, it was necessary to increase the capacity of the fermentor or to install a plurality of devices in order to process the garbage continuously generated every day. In addition, in order to prevent the odor generated from raw garbage from leaking to the outside, it is necessary to seal the fermenter container, but if the fermenter container is sealed, water cannot escape to the outside. There was a problem that the time for composting was extended.

[0004]

SUMMARY OF THE INVENTION The present invention has been made by paying attention to the problems of the prior art as described above, and has almost no odor problem as compared with the conventional household garbage disposal device. It is another object of the present invention to provide a domestic garbage treatment device that can significantly reduce the time required from garbage to composting.

[0005]

SUMMARY OF THE INVENTION A domestic food waste treating apparatus according to the present invention for solving the above problems of the prior art comprises a fermenter for decomposing food waste by a microorganism bed mixed with microorganisms, An upper lid for covering the upper side of the fermentation tank, a plurality of ventilation holes for performing ventilation between the inside and outside of the fermentation tank are formed, and the side facing the fermentation tank is An upper lid provided with a plurality of charcoal for adsorbing moisture and odor components in the air generated in the fermenter,
It is characterized by having.

Further, in the domestic food waste treating apparatus of the present invention, it is desirable that a hot water jacket for containing hot water heated by a heater be provided between the outer wall surface and the inner wall surface of the fermentation tank.

Further, in the domestic garbage treatment device of the present invention, the outside of the fermentation tank is heated at the bottom of the fermentation tank (heating with a heater, heating with hot water in the hot water jacket, etc.). It is desirable to provide a warm air supply unit for supplying to the bottom of the fungus bed.

In the present invention, a sufficient bed of sawdust or the like is provided in the fermenter to broaden the activity range of the fungus and quickly absorb the water content of the garbage. Further, in the present invention, the moisture of raw garbage is gradually released as moisture due to the respiratory function originally possessed by sawdust and the action of microorganisms.
The released moisture and the odorous components emitted from the garbage are adsorbed by the charcoal (charcoal etc.) provided on the lower surface of the upper lid. In addition, excess moisture is discharged to the outside through a vent hole formed in the upper lid. Therefore, according to the present invention, odor is hardly generated during the fermentation process of raw garbage, and the raw garbage can be composted in a short time.

Further, in the present invention, the inside of the fermenter is heated by a hot water jacket (water jacket),
The temperature in the fermenter is set to the temperature at which the microorganisms are most likely to work to promote fermentation and composting. Further, in the present invention, by the warm air supply unit, the air from the outside is heated by the warm water of the warm water jacket or by the heater, and this warm air is supplied to the lower part of the bacterial bed in the fermenter, The raw garbage in the area is dried to promote composting. Therefore, according to the present invention, it is possible to effectively solve the problem of odor and the problem that it takes a long time until composting, which cannot be solved by the conventional domestic food waste processing apparatus.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. FIG. 1 is a schematic diagram showing a configuration of a domestic garbage processing device according to the present embodiment, and FIG. 2 is a schematic perspective view showing an appearance of the present embodiment.

In FIGS. 1 and 2, reference numeral 1 is a fermenter for fermenting raw garbage discharged from homes for composting, and 2.
Is the fungal bed contained inside this fermenter. A large number of microorganisms (bacteria) 3 inhabit this bacterial bed 2.

Further, as shown in FIG. 1, the fermenter 1 is provided with an upper lid 4 for covering the upper side thereof. A charcoal layer 5 made of a large number of charcoal is fixed to the lower surface side of the upper lid 4. This charcoal layer 5 is the fermenter 1
It is for adsorbing moisture and off-flavor components in the air such as water vapor generated in the fermentation process.

Further, as shown in FIG. 2, a large number of vent holes 6 are formed in the upper lid 4. Due to the presence of the vent holes 6, moisture in the air such as water vapor (excess moisture not absorbed by the charcoal) generated in the fermentation process in the fermentation tank 1 is released to the outside.

Next, FIG. 3 is a horizontal sectional view for explaining the internal structure of the domestic food waste processing apparatus according to this embodiment. As shown in FIG. 3, in the present embodiment, a hot water jacket 11 that contains hot water is built in between the outer wall surface 1a and the inner wall surface 1b of the fermentation tank 1. As shown in FIG. 3, the warm water jacket 11 is formed so as to cover the inside of the fermenter 1 in a substantially ring shape having a square shape and its front, side and back surfaces being substantially strip-shaped. .
The water in the hot water jacket is the four heaters 1 shown.
It is adapted to be heated to a predetermined temperature by 2. Specifically, when raw garbage is put into the fermenter 1, the time until the raw garbage is composted (for example, about 20 to 4).
The user sets the timer 13 so that the heater 12 is driven only for 0 hours or several days. Then, the microcomputer 14 controls the heater driving unit 15 based on the signal from the timer 13 to heat the temperature of the hot water in the hot water jacket 11 to an optimum temperature at which fermentation is easily promoted in the fermentation tank 1. I am trying to do it. In addition,
In FIG. 3, the timer 13 and the microcomputer 1 are shown.
4 and the heater driving unit 15 are shown outside the fermenter 1 for convenience of illustration, but in reality, the timer 13, the microcomputer 14, and the heater driving unit 15 are provided in the fermenter 1. It is housed inside the frame.

Next, FIG. 4 is a vertical sectional view for explaining the internal structure of the domestic food waste processing apparatus according to this embodiment. As shown in FIG. 4, in the present embodiment, at the bottom of the fermenter 1, an outside air introduction port 21 for introducing outside air and the outside air introduced from the outside air introduction port 21 are heated into the fermentation tank 1 while being heated. A fan / heater 22 for sending, a pipe 23 for moving warm air from the fan / heater 22 into the fermenter 1, and a hot air outlet provided at the tip of the pipe 23, The hot air discharge port 24 for discharging the warm air toward the bottom of the bacterial bed 2 in the fermenter 1 is built in. Since the entire inside of the fermenter 1 is heated from the bottom of the fungus bed 2 by the hot air from the hot air outlet 24,
The temperature in the fermenter 1 is heated to a temperature at which fermentation is easily promoted, and the garbage in the fermenter 1 is dried to promote composting of the garbage.

[0016]

As described above, in the domestic garbage processing apparatus of the present invention, the water discharged from the garbage is gradually released as moisture by the respiratory function of the bacterial bed (sawdust etc.) and the action of microorganisms. However, the released moisture and the odorous components generated from food waste are adsorbed by the charcoal (charcoal layer, etc.) provided on the top lid, and the excess moisture is discharged to the outside from the ventilation hole formed on the top lid. It Therefore, when using the domestic food waste treating apparatus of the present invention, the odor during the fermentation process is significantly reduced as compared with the conventional one, and it is possible to compost the organic waste within a significantly shorter time than the conventional one. Becomes

In the present invention, the inside of the fermenter is heated by a hot water jacket (water jacket),
Since the temperature in the fermenter is set to the temperature at which microorganisms are most likely to reproduce to promote fermentation and composting, the composting of raw garbage is promoted and the time required for composting is greatly shortened. Become so.

Further, in the present invention, the warm air is heated by the warm air supply unit by the warm water in the warm water jacket or by the heater, and then the warm air is supplied to the lower part of the bacterial bed in the fermenter. However, the garbage in the fermenter is dried to promote the composting of the garbage.

Therefore, according to the present invention, it is possible to solve the problem of odor in composting raw garbage and the problem that it takes a long time until composting, which has not been solved in the past. The composting can be easily realized.

[Brief description of drawings]

FIG. 1 is a diagram showing an overall configuration of a domestic garbage processing device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an overall appearance of this embodiment.

FIG. 3 is a horizontal cross-sectional view showing the internal structure of the fermenter of this embodiment.

FIG. 4 is a vertical cross-sectional view showing the internal structure of the fermenter of the present embodiment.

[Explanation of symbols]

1 fermenter 1a outer wall 1b inner wall surface 2 fungus bed 3 microorganisms (bacteria) 4 Upper lid 5 charcoal layers 6 vents 11 warm water jacket 12 heater 13 timer 14 Microcomputer 15 Heater drive 21 Outside air inlet 22 Fan heater 23 Piping 24 Hot air outlet

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Toshiaki Eto             4-10 Shin-Meiji, Oita City, Oita Prefecture (72) Inventor Eiichi Himeno             1-932 Kakukohara, Oita City, Oita Prefecture F-term (reference) 4D002 AA00 AB02 AC10 BA04 CA07                       DA41 FA01 HA01                 4D004 AA03 BA04 CA19 CA47 CA48                       CB04 CB36 CC11 DA02 DA06                 4H061 AA03 CC55 EE03 EE66 FF06                       GG10 GG14 GG18 GG49 GG69

Claims (3)

[Claims] 1. A fermenter for decomposing raw garbage by a microorganism bed mixed with microorganisms, and an upper lid for covering the upper part of the fermenter, wherein aeration is provided between the inside and the outside of the fermenter. A plurality of vents for performing are formed, the side facing the fermentation tank is provided with a plurality of charcoal for adsorbing moisture and odor components in the air generated in the fermentation tank A domestic garbage processing device, characterized by comprising: 2. The domestic garbage treatment device according to claim 1, further comprising: a hot water jacket for containing hot water heated by a heater, provided between an outer wall surface and an inner wall surface of the fermentation tank. . 3. The hot air supply unit according to claim 1, wherein the bottom of the fermenter is provided with a warm air supply unit for heating the outside air and supplying the outside air to the bottom of the fungal bed in the fermenter. A characteristic household garbage disposal device.