JP2001104919A - Garbage disposal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a garbage disposal device equipped with a recovery part which prevents the overflowing of a recovery vessel for garbage to be disposed of from occurring and efficiently recovers the refuse to be finally disposed of. SOLUTION: In the garbage disposal device equipped with a treating part which performs the biodegradation treatment of garbage, a recovery part which recovers the biodegraded garbage and a deodorizing/air evacuation part which removes an odor from a smelly air originating from the treating part or the recovery part, a weight detecting sensor is installed at the recovery part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention decomposes general biological garbage discharged from food processing sites such as kitchens and food factories such as homes, and fields such as fields such as vegetables. The present invention relates to a garbage disposal device. In particular, the present invention relates to prevention of overflow of a final processed product discharged to a processed product recovery unit of a recovery unit.

[0002]

2. Description of the Related Art Various types of garbage disposal apparatuses for biodegrading garbage are already available on the market. For example, a garbage fermentation processing apparatus including a processing unit that ferments garbage, a collection unit that collects the fermented processed product, and a deodorizing exhaust unit that deodorizes and exhausts the odor from the processing unit is It is known. In this type of garbage processing apparatus, garbage is first charged into a fermentation treatment tank of a processing section together with a fermentation promoting material such as fermentation bacteria. The introduced garbage is stirred by a rotary stirring claw provided in the fermentation treatment tank, and fermentation aging is promoted. The processed product subjected to the fermentation process is stored in a processed product recovery device of the recovery unit. Further, the odor generated during the fermentation aging treatment is sent to a deodorizing exhaust unit and is discarded after being deodorized.
Then, the final product is reused as fertilizer or the like.

[0003] In such a garbage disposal apparatus, when discharging the processed material subjected to the fermentation treatment to the processed material collection device of the collection section, the operator of the garbage disposal apparatus operates a discharge switch. The opening and closing mechanism of the discharge port of the processing tank did not have an interlocking function. For this reason, the garbage disposal equipment operator processes the garbage without knowing whether or not the garbage collector is full, and the garbage collector overflows, causing a problem with the processing equipment and reducing environmental sanitation. There is also a problem.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a recovery section for preventing an overflow of a processed product recovery unit and for efficiently collecting a final processed product. It is an object of the present invention to provide a garbage disposal apparatus provided.

[0005]

In order to achieve the above object, the present invention provides a processing unit for biodegrading and treating garbage,
The garbage processing apparatus includes the following configuration in a garbage processing apparatus including a collection unit that collects a biodegraded processed product, and a deodorizing exhaust unit that deodorizes and exhausts odor from the processing unit or the collection unit. That is, the garbage disposal apparatus is characterized in that a weight sensor is provided in the collection unit. The weight sensor provided in the collection section is operated in conjunction with opening and closing of the discharge port cover of the processing section. Furthermore, the garbage disposal apparatus is characterized in that the weight detection sensor provided in the collection section operates in conjunction with the presence or absence of rotation of the stirring shaft of the processing tank.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. In general, a processing unit that biodegrades and processes garbage, a collection unit that collects biodegraded processed products, and a deodorizing exhaust unit that deodorizes and exhausts odors from the processing unit or the collection unit. Any garbage disposal apparatus provided can be targeted.

Here, the raw garbage is decomposed by fermentation bacteria in the processing section. The treatment method by fermentation has high utility value in terms of continuous operation and cost saving. However, the method of treating garbage is not limited to fermentation in a narrow sense in which carbohydrates are decomposed by fermenting bacteria, and various types of biodegradation involving other microorganisms and decomposition processes involving drugs more deeply than microorganisms Good.

For example, microorganisms which degrade natural polymers such as starch, cellulose and chitin, and synthetic polymers such as polycaprolactone may be mixed with the fermentation bacteria. Then
Packaging materials and containers formed of biodegradable plastics using these polymers as raw materials are also decomposed. for that reason,
The garbage does not need to be separated from the packaging material or the container, and can be put into the processing unit together and decomposed.

FIG. 1 is a partially cutaway front view of the garbage fermentation treatment apparatus of the present invention, FIG. 2 is a side sectional view, and FIG. 3 is a partially cutaway rear view. The garbage fermentation treatment apparatus includes at least a treatment section (S), a recovery section (K), and a deodorizing exhaust section (D) as its main components. The processing unit (S)
The garbage is fermented and aged to decompose and decompose. The collection unit (K) is a unit for collecting the processed material processed in the processing unit (S). The deodorizing exhaust unit (D) is a processing unit ( S) or a portion for deodorizing and exhausting the odor from the collecting section (K). In addition, the processed material is taken out of the device from the collection unit (K) and reused as fertilizer or the like.

This garbage fermentation treatment apparatus is a vertically elongated substantially rectangular parallelepiped in a standing posture, and has a flat lid (1) on its upper surface.
0) is installed to be freely openable and closable. The garbage is thrown in by opening the lid (10), falls freely, and is stored in the processing section (S) immediately below. The inside (11) of the lid (10) is hollow and is filled with a heat insulating material such as a foamed resin. (1
2) denotes an opening / closing support shaft of the lid (10), and (13) denotes a handle.

In the processing section (S), the garbage is stirred in the processing tank (20) by the stirring claws (30), so that fermentation aging is promoted and processed. The odor generated during the treatment is sent to the deodorizing exhaust unit (D) and exhausted after being deodorized. The processed material is sent to a collecting section (K) located below the processing tank (20) and discharged out of the apparatus.

The processing tank (20) is provided with a raw garbage inlet (20).
a) is opened facing the upper lid (10), and a bottom portion (20b) for storing garbage is formed in a U-shape. This U-shape of the bottom (20b) is for making it correspond to the rotation locus of the stirring claw (30), as clearly shown in FIG. A discharge operation switch (14) is provided on the operation panel on the upper side of the processing tank (20). When the switch (14) is turned on manually or through a timer, the processing tank (20) is turned off. This is a switch for rotating the contents in the processing tank (20) by rotating the stirring claw (30). A panel heater (not shown) is stretched over substantially the entire back surface of the processing tank bottom (20b) to control the heating of the room temperature of the processing tank (20). Processing tank (20)
Is a double tank, and a hollow portion (21) is provided between the inner and outer tank walls to achieve heat insulation. An openable / closable outlet cover (22) is provided at the bottom (20b) of the processing tank (20).

A plurality of elongated thin plate-like stirring claws (30) are connected to the processing tank (20). The stirring nail (30)
The agitator pawl shaft (31) is penetrated and supported by a hole provided at the center thereof. The length of the stirring claw (30) is slightly shorter than the diameter of the U-shaped arc of the processing tank bottom (20b). The stirring nail support shaft (31) is horizontally suspended at the center position of the arc of the processing tank bottom (20b) and is driven to rotate. With this arrangement, the garbage introduced into the processing tank (20) is crushed steadily between the processing tank bottom (20b) and the tip of the stirring claw (30). The reason why the garbage is stirred by rotating the stirring claw (30) is to crush the garbage while uniformly supplying sufficient air to the garbage and to promote heat conduction. Thereby, the fermentation aging and drying of the garbage are uniformly performed at a high speed. The agitating claw spindle (31) is connected to the motor (3).
5) The power of the sprocket (34) and the transmission chain (3)
3) and is driven to rotate via a sprocket (32).

The garbage is treated in the treatment tank (20) as described above.
The mixture is heated by a heater and stirred by a stirring nail (30), fermented and aged to be processed. To ferment garbage, fermentation bacteria are required. Therefore, when raw garbage is to be introduced for the first time or when fermentation bacteria are to be replenished, the auxiliary material to which the fermentation bacteria have adhered is introduced into the treatment tank (20). As the auxiliary material, a weak alkaline mineral powder such as zeolite to which aerobic fermentative bacteria are attached as a seed fungus, sawdust, and the like are preferable. The garbage is retained in the treatment tank (20) for a predetermined period of time, such as one month, and is sent to the collection unit (K) after being subjected to fermentation aging treatment. At this time, the treatment tank (2
If a part of the semi-processed food garbage is left in 0), the garbage can be added continuously since fermentation bacteria are contained therein, and the processing efficiency is improved.

In order to efficiently and steadily ferment and rip the garbage, it is preferable to adjust the environment of the treatment tank (20) or control the stirring by the stirring nail (30).

The parameters for adjusting the interior of the treatment tank (20) so that the garbage is easily fermented and matured include temperature, pH, water content, oxygen content, and the like. The temperature is controlled by a heater stretched on the back surface of the processing tank bottom (20b), and the pH is controlled by adding a pH adjuster such as lime or rice bran. Room temperature suitable for fermentation aging is approximately 30-60 ° C, especially 45-50 ° C,
The preferred pH is around 6-8 and the preferred moisture content is around 40-65%. If the amount of garbage introduced into the treatment tank (20) is too large, or if the contents of the garbage are rice, fish or meat, or if the water content is high, the anaerobic bacteria multiply and the treated material becomes sticky, and Temperamental fermenters may die. Then, when the treated product becomes sticky, an oxygen generating agent is added to change the environment to an aerobic environment in order to improve the activity of the fermentation bacteria.

The parameters for controlling the stirring operation by the stirring claw (30) include the contents and amount of garbage and the water content. Depending on whether the contents of the garbage are easily fermented, such as meat with a high protein content, or difficult to ferment, such as fibrous vegetables, the rotation speed and number of rotations of the stirring nail (30) may be changed. Change to a different stirring nail. The operation mode can be changed according to the degree of garbage disposal. Examples of the operation mode include a crushing operation in which garbage is pulverized to such an extent that the garbage does not liquefy, a fermentation operation in which the garbage is intermittently stirred for a short period of time while heating, and a ripening operation in which the standing time is long.

The processed product subjected to the fermentation aging treatment passes through an outlet cover (22) provided at the bottom (20b) of the processing tank.
It is sent to the recovery section (K) located below. The recovery section (K) is provided with a box-shaped processed material recovery unit (40), and stores the processed material falling from the outlet cover (22). In addition, a weight detection sensor (42) is provided at the upper end of the side wall of the processed product recovery unit (40) to measure the weight of the processed product. The processed product recovery unit (40) is inserted and installed in a processed product discharge port (41) opened on the surface of the garbage fermentation processing device so that it can be pulled out. As a result, the processed material filled in the recovery unit (40) is discharged out of the apparatus and reused as fertilizer or the like.

The odor generated during the fermentation ripening treatment is sent to a deodorizing exhaust unit (D) and exhausted after being deodorized. The deodorizing exhaust unit (D) includes a deodorizing case (60) for deodorizing and exhausting odors, and an odor guiding duct (50) for communicating the garbage disposal tank (20) to the deodorizing case (60). An odor guide duct may be provided to communicate the treated product collector (40) and the deodorizing case (60) of the recovery part (K) so that the odor from the recovery part (K) is also deodorized.

At the upper part of the garbage disposal tank (20), a wide exhaust port (51) is provided with a net (not shown) and opened. The exhaust port (51) is connected to the odor guide duct (5).
0) is connected to the upstream end (50a). The odor guide duct (50) has its upstream end (5) as shown in FIG.
The cross-sectional area decreases from 0a) downward.
Then, the downstream end (50b) is connected to the duct connection port (71) of the ceiling wall of the deodorizing case (60).

The deodorizing case (60) is in the shape of a horizontally elongated box and has an exhaust port (81) at the other end of the duct connection port (71) which is the end to which the downstream end (50b) of the odor guide duct is connected.
Is open. The odor flowing from the odor guide duct (50) flows through the duct connection port (7) in the deodorizing case (60).
It flows from 1) to the exhaust port (81). A thermal catalyst (76) is provided at the center of the deodorizing case (60) corresponding to the middle part. The deodorizing case (60) uses the thermal catalyst (76) as a partition, and the upstream deodorizing space (7).
0) and a downstream exhaust space (80). A flat cover (61) for opening the deodorizing case (60) and contributing to cleaning or the like is detachably attached to the surface of the garbage fermentation treatment apparatus.

In the deodorizing space (70), a dust storage part (72) for storing dust that has flowed in with the odor from the odor guide duct (50), a deodorizer (75) and a thermal catalyst (76) for deodorizing the odor are provided. Prepare.

The deodorizing case (60) downstream of the duct connection port (71) has a larger cross-sectional area in the odor flow path than the odor guide duct (50). Therefore, the garbage flowing from the odor guide duct (50) falls freely in the deodorizing space (70) as the odor current spreads and slows down, and enters the garbage storage (72) at the bottom of the deodorizing case (60). accumulate. Since the dust is prevented from flowing out to the exhaust space (80) by the thermal catalyst (76), the dust storage part (7) on the upstream side thereof is disposed.
2) is reliably retained, and is prevented from being discharged outside the device.

An ozone generator is mounted on the upper part of the upstream side wall of the deodorizing space (70) as a deodorizer (75) for deodorizing odor. At the bottom of the deodorizing case (60) near the ozone generator (75), an outside air inflow path forming plate (7) is provided.
3) stands up to the vicinity of the ceiling wall of the deodorizing case (60). An outside air inlet (74) is opened on the side wall of the deodorizing case (60) near the lower part of the ozone generator (75). Therefore, the outside air flowing from the outside air inlet (74) is supplied to the side wall of the deodorizing case (60) and the outside air inflow path forming plate (7).
3), the mixture passes through the vicinity of the ozone generator (75) and is mixed with ozone, and then sent to the lower part of the duct connection port (71) downstream. Here, the duct connection port (7
The odor flowing from 1) is deodorized by ozone.

The remaining odor stream deodorized by ozone in the deodorizing space (70) passes through the thermal catalyst (76) and is discharged into the exhaust space (8).
0). As the thermal catalyst (76), a material obtained by firing powder of iron oxide and manganese oxide into a honeycomb having a large surface area can be used. The remaining odor contacts the honeycomb and is oxidized and deodorized. The thermal catalyst (76) is heated to about 200 ° C., which functions at a high rate. Ozone is
Since the odor is reduced to oxygen when it is oxidized, it is prevented from flowing out into the exhaust space (80) and being discharged out of the apparatus.

As means for heating the thermal catalyst (76),
As shown in FIG. 3, a heating element (77) is provided.
The heating element (77) is disposed slightly below the upstream side of the thermal catalyst (76). When using such a heating element (77),
The heat catalyst (76) can be effectively heated with a simple and inexpensive configuration. The heating element (77) and the heat catalyst (7)
Temperature sensor (77s) (7s) that contributes to the temperature control of 6)
6s) is installed near the downstream of each of the heating element (77) and the thermal catalyst (76).

The heat catalyst (76) may be a self-heating type catalyst. For example, if an electrode is provided to enable sintering by adding an electrothermal metal powder to a ceramic containing a catalyst, it contributes to precise temperature control and space saving.

The exhaust gas from which the residual odor has been deodorized by the thermal catalyst (76) is sent to an exhaust space (80). Exhaust space (80)
An exhaust port (81) is opened at the downstream end of the device, and an exhaust fan (82) as an exhaust means is installed. Due to the exhaust action of the exhaust fan (82), a flow path from the processing section (S) to the outside of the apparatus through the deodorizing exhaust section (D) is formed.

The deodorizing exhaust function is performed by an ozone generator (7).
It is adjusted by the ozone generation amount of 5) and the rotation speed of the exhaust fan (82).

In the garbage processing apparatus having the above-described configuration, the operator of the processing apparatus manually operates the discharge operation switch (14) on the upper portion of the processing tank (20) or the timer. When automatically turned ON, the stirring claw (30) of the processing tank (20) is rotated, the contents in the processing tank (20) are rotated, and the bottom ( The openable and closable outlet cover (22) provided in 20b) is opened, and the processed material is discharged to the processed material collector (40).

The processed product from the processing tank (20) is discharged to a processed product recovery unit (40), and when the processed product stored in the processed product recovery unit (40) exceeds a predetermined value, a weight detection sensor (42) is used. ) Is activated and the discharge operation switch (14) is already
The rotation of the stirring claw (30), which is rotationally driven via the motor (35), is stopped, and the discharge port cover (2) is stopped.
Since the automatic discharge is stopped by closing 2), overflow of the processed material in the processed material recovery unit (40) is prevented.

Next, by arranging the shape of the heating element, which is the heating means of the thermal catalyst in the deodorizing case, and the thermal catalyst as described below, the heat that is wastefully discharged as in the prior art is effectively used. Embodiments of possible heating means will be described with reference to the drawings.

That is, as shown in FIG. 4, a heating element (77a) having a U-shape in a plan view is hollowly installed along the substantially central axis of the deodorizing case (60a), and is provided downstream of the heating element (77a). On the side, a powder of iron oxide and manganese oxide is fired into a honeycomb shape having a large surface area, or a thermal catalyst (76a) obtained by adding an electrothermal metal powder to a catalyst-containing ceramic and sintering is provided. The cross-sectional shape of the catalyst (76a) is formed in an elliptical shape having a major axis slightly longer than the distance between the heating tubes at both ends of the U-shaped heating element (77a). Is configured. It is preferable that each end of the long side and the short side of the heat catalyst (76a) having the elliptical cross section is disposed so as to be in contact with the upper, lower, left and right side walls of the deodorizing case (60a). If covers or the like are provided at the four corners of (60a), all residual odors pass through the thermal catalyst (76a), so that further temperature unevenness can be prevented and the deodorizing effect is improved.

The U-shaped heating element (77)
a) and a heat catalyst (7
6a), the residual air is heated along the U-shaped heating element (77a) when the residual odor is discharged toward the exhaust port (81a) in the deodorizing case (60a) containing The remaining air passes through the heat catalyst (76a), which has a similar cross section of the heating element (77a), and is parallel to the heat catalyst (76a). Contribute to the improvement of

[0035]

According to the present invention, the following effects can be obtained by providing the above configuration. According to the first aspect,
Since a weight detection sensor is provided in the collection section, the weight of the processed material stored in the collection processing chamber can be directly known, so that overflow can be prevented accurately. According to the second aspect,
Since the weight detection sensor provided in the collection section operates in conjunction with the discharge port cover, automatic discharge becomes possible, and the discharge operation is more efficient. According to the third aspect, since the weight detection sensor provided in the collection unit operates in conjunction with the stirring shaft of the processing tank, a good discharge operation can be obtained.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of a garbage disposal apparatus.

FIG. 2 is a side sectional view of the same.

FIG. 3 is a partially cutaway rear view of the same.

FIG. 4 is a perspective view illustrating an embodiment of a deodorizing case.

[Explanation of symbols]

 S processing section K recovery section D deodorization exhaust section 10 cover 14 discharge operation switch 20 processing tank 20a input port 20b bottom 21 hollow section 22 discharge port cover 30 stirring pawl 31 stirring pawl support shaft 32, 34 sprocket 33 transmission chain 35 motor 40 Treated material collector 41 Treated material discharge port 42 Weight detection sensor 50 Odor guide duct 50a Upstream end of odor guide duct 50b Downstream end of odor guide duct 51 Exhaust port 60, 60a Deodorizing case 61 Deodorizing case cover 70 Deodorizing space 71 Duct connection port 72 Dust storage part 73 Outside air inflow path forming plate 74 Outside air inlet 75 Deodorizer 76, 76a Thermal catalyst 76s Temperature sensor of thermal catalyst 77, 77a Heating element 77s Temperature sensor of heating element 80 Exhaust space 81, 81a Exhaust port 82 Exhaust fan

Claims (3)

[Claims] 1. A processing section for biodegrading and processing garbage, a collecting section for collecting biodegraded processed materials, and a deodorizing exhaust section for deodorizing and exhausting odors from the processing section or the collecting section. A garbage disposal apparatus comprising: a garbage disposal apparatus, wherein a weight detection sensor is provided in the collection unit. 2. The garbage disposal apparatus according to claim 1, wherein the weight detection sensor provided in the collection section operates in conjunction with opening and closing of a discharge port cover of the processing section. 3. The garbage disposal apparatus according to claim 1, wherein the weight detection sensor provided in the collection section operates in accordance with the presence or absence of rotation of the stirring shaft of the processing tank.