JP2001000954A - Apparatus for treating organic substance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To evaporate water uniformly from a carrier in a treatment tank by supplying air flowing from a circulating passage in the treatment tank to a treatment tank nearly horizontally in the upper part of the treatment tank. SOLUTION: A treatment tank 2 is placed in a body, an introduction opening 3 is formed in the front side upper part of the body 1, and a conduit 4 extending in the depth direction of the body 1 is made to communicate with the introduction opening 3. The downstream side of the conduit 4 is divided into two parts, and a reflux opening 5 for returning to the treatment tank and an exhaust opening 6 for discharging air outside a treatment apparatus are formed. An internal circulating passage is formed from a passage along the order of the introduction opening 3-the conduit 4-the reflux opening 5. Air flowing from the internal circulating passage to the treatment tank through the reflux opening 5, as shown by an arrow, is supplied nearly horizontally in the upper part of the treatment tank 2. In this way, steam and others generated in the treatment tank 2 can be discharged efficiently.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an organic matter processing apparatus. More specifically, the present invention relates to an organic substance processing apparatus capable of efficiently discharging water vapor and the like generated inside a processing tank.

[0002]

2. Description of the Related Art Conventionally, there has been used an organic substance processing apparatus for treating organic substances such as kitchen waste generated from a kitchen by the action of microorganisms. Some of such organic material processing apparatuses are provided with an internal circulation path for circulating the air inside the processing tank to prevent the temperature inside the processing tank from lowering.

[0003] For example, an organic substance processing apparatus described in Japanese Patent Application Laid-Open No. 8-150383 has a processing tank 5 containing a carrier in advance, as schematically shown in Figs.
A recess 52 is provided near the upper rear end of 1 to form a circulation path.

The recess 52 is formed in the upper part of the rear wall 53 of the processing tank 51 so as to extend in the left-right direction of the processing tank 51. A suction tube 54 and a discharge tube 55 communicating with the inside of the processing tank 51 extend downward from the bottom surfaces of both ends of the concave portion 52, respectively. The discharge tube 55 is divided into front and rear by a rear wall 53 of the processing tank 51, and a portion forward of the rear wall 53 communicates with the inside of the processing tank 51, and a portion behind the rear wall 53 is formed of the processing tank 51. Through an exhaust passage 56 formed on the back of the processing machine. The air in the processing tank 51 flows in the direction of the arrow shown in FIGS. 11 to 12 by driving the fan 58, and a part of the air is discharged to the outside through the exhaust port 57, and the remaining air is discharged to the processing tank 51. Returned to

[0005]

However, FIGS.
In the organic matter treatment apparatus shown in FIG. 1, since the discharge cylinder 55 in the circulation path is provided downward, a part of the carrier to which the wind is blown by the fan 58 becomes particularly easy to dry, and the fine powder scatters from the dry place. There is a problem that the organic matter treatment efficiency in a dry place is reduced.

[0006] In addition, water vapor and carbon dioxide gas generated inside the processing tank 51 rise and rise to the upper space of the processing tank 51 (particularly, portions above the outlets of the suction tube 54 and the discharge tube 55).
In addition, there is a case where the water or the like is accumulated without being circulated, and there is a problem that the water or the like cannot be efficiently discharged.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and it is possible to uniformly evaporate water from a carrier in a processing tank, and efficiently remove water vapor and the like generated in the processing tank to the outside of the apparatus. It is an object of the present invention to provide an organic matter processing device capable of discharging.

[0008]

The organic substance processing apparatus of the present invention has an internal circulation path for internally circulating the air inside the processing tank and an exhaust path for exhausting the air inside the processing tank to the outside. An organic matter processing apparatus, wherein air flowing from the internal circulation path to the processing tank is blown substantially horizontally at an upper portion of the processing tank.

It is preferable that the air flowing from the internal circulation path to the treatment tank is blown downward from a horizontal plane in a range of about 0 to 45 °.

It is preferable that the air flowing from the internal circulation path to the treatment tank is adjustable so as to blow downward from a horizontal plane in a range of about 0 to 45 °.

In order to heat the air flowing from the internal circulation path to the processing tank, a heater is preferably provided near the side surface of the processing tank to which the air is applied.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an organic substance processing apparatus according to the present invention will be described in more detail with reference to the drawings. FIG. 1 is an explanatory horizontal sectional view showing an embodiment of the organic matter treatment apparatus of the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. FIG. 4 is a vertical sectional view showing the flow of air taken into the deodorizing filter from the processing tank, and FIG. 5 is a vertical sectional view showing the flow of air in the optical deodorizer of FIG. FIG. 6 is an explanatory view of the surface.
FIG. 7 is an explanatory cross-sectional view showing the flow of air when there is a lot of garbage in the inside of the treatment tank. FIG. 7 shows another embodiment of the organic matter treatment apparatus according to the present invention. , FIG. 8 is a longitudinal sectional view showing the flow of air returned to the processing tank through the internal circulation path in FIG. 7, and FIG. 9 is a longitudinal section showing the air flow in the light deodorizer in FIG. FIG. 10 is a graph showing the relationship between the air volume and the static pressure in the organic substance processing apparatus shown in FIG.

In the organic substance processing apparatus shown in FIGS. 1 to 6, a processing tank 2 is housed in a main body 1 and an inlet 3 is provided in an upper front portion of the main body 1. The inlet 3 communicates with a conduit 4 extending in the depth direction of the main body 1.

The downstream side of the conduit 4 is branched into two, and a reflux port 5 for refluxing to the processing tank 2 and an exhaust port 6 for exhausting to the outside of the processing machine are provided. Inlet 3
The path along the conduit 4 to the return port 5 constitutes an internal circulation path, while the path along the inlet 3 to the conduit 4 to the exhaust port 6 constitutes an exhaust path.

As shown in FIG. 3, air flowing from the internal circulation path to the processing tank 2 through the recirculation port 5 is blown substantially horizontally above the processing tank 2 as indicated by an arrow. . Therefore, unlike the related art, only a part of the carrier C does not hit the wind, and local drying of the carrier C can be prevented.

As shown in FIGS. 1 to 3, the air blown substantially horizontally from the end of the upper side wall of the processing tank 2 is
It can be efficiently discharged to the outside while containing all the steam, carbon dioxide, and the like generated by the decomposition of the garbage to be processed together with the carrier C and rising to the upper part of the processing tank 2.

As shown in FIG. 3, the air blown into the processing tank 2 through the reflux port 5 is directed downward by an angle θ from the horizontal plane, specifically 0 to 45, while the wind direction is adjusted by the guide plate 13. °, preferably 0-20 °
If it blows in the range of the extent, the wind does not directly hit the carrier C,
Moreover, it is preferable because the water vapor and the like in the upper part of the processing tank 2 can be efficiently discharged.

Further, part of the air that has passed through the fan 8 goes out through the exhaust port 6 and the rest is blown into the processing tank 2 substantially horizontally through the recirculation port 5. In addition, the same amount of air that has flowed out of the exhaust port 6 to the outside is introduced into the processing tank 2 from an intake port (not shown). Therefore, the amount of the air passing through the deodorizing filter 7 can be kept substantially the same as the combined amount of the air passing through the recirculation port 5 and the exhaust port 6.

Further, since the air inside the processing tank 2 is exhausted while being circulated, the air can sufficiently contain water vapor and the like and can be discharged to the outside, so that the exhaust air volume required for discharging the water vapor and the like is required. Can be reduced.
Accordingly, the amount of intake air corresponding to the amount of exhaust air is also reduced, so that the inside of the processing tank 2 is hardly cooled, and the heaters for heating the inside of the processing tank 2 (heaters 11a, 11b, 1
1c) The power consumption can be reduced.

A deodorizing filter 7 is provided as a first deodorizing section at the common inlet 3 of the internal circulation path and the exhaust path. A fan 8 is provided upstream of the recirculation port 5 and the exhaust port 6 so as to cover both the recirculation port 5 and the exhaust port 6. Further, in the present embodiment, apart from the deodorizing filter 7, as a second deodorizing part, a deodorizer 9 using a vertically arranged dual photocatalyst at the exhaust port 6 is used.
Is provided.

The deodorizing filter 7 is a filter for constantly eliminating odor components of air passing through the filter 7,
For example, a bioenzyme deodorizing filter containing an enzyme for deodorizing is used. The first deodorizing section only needs to be capable of constantly deodorizing with lower energy than the second deodorizing section. In addition to the filter including the enzyme, the filter including the chemical deodorant, or the ammonia oxidizing bacteria For a deodorizing method (biological deodorizing method) using microorganisms such as digestive bacteria and denitrifying bacteria, a filter containing these microorganisms may be used.

The light deodorizer 9 includes a cylinder 14 provided on a side surface of the processing tank 2 and a photocatalyst 15 disposed substantially along the inner peripheral surface of the cylinder 14 and having a wavy irregularity formed on the inner surface. U arranged along the central axis of the photocatalyst 15
And a V (ultraviolet) lamp 16. As shown in FIG. 2 and FIG. 5, the light deodorizer 9 is provided in two rows vertically and alternately ventilates one of the upper and lower light deodorizers 9 by a shutter 17 to periodically refresh the photocatalyst 15. I can do it.

Next, a method for treating organic matter such as kitchen waste using the organic matter treatment apparatus of the present embodiment will be described in order.

First, the lid 10 on the upper part of the main body 1 is opened, and the organic matter is put into the processing tank 2 in which the carrier C has already been charged.

Next, when the lid 10 is closed, a detection switch (not shown) detects that the lid 10 is closed, and the processing tank 2 is closed.
Heaters 11a, 11b, and 11c provided on the outer peripheral surface of the processing tank 2 heat the processing tank 2. The heaters 11a and 11b are used to heat the carrier C (chip) inside the processing tank 2,
The heater 11c is used to heat the air from the fan 8 to heat the air inside the processing tank 2 (see FIG. 3). At the same time, the stirring blades 19 driven by the drive unit 12 having the motor and the speed reducer stir the garbage and the carrier C inside the processing tank 2, so that the organic matter is acted on by the microorganisms living in the carrier C. It is mainly decomposed into carbon dioxide and water vapor. The air in the processing tank 2 during the heating and stirring is guided to the inlet 3 by driving the fan 8 as described above, and is deodorized by the deodorizing filter 7. A part of the air passing through the conduit 4 is returned to the processing tank 2 through the return port 5 while the angle is adjusted by the guide plate 13, and is blown to the portion provided with the heater 11 c to be heated. .

As shown in FIG. 6, when the amount of garbage and the amount of the carrier C in the processing tank 2 increases, the air from the return port 5 hardly hits the portion where the heater 11c is provided, and the heater 11c Since the carrier 11 faces the carrier C via the processing tank 2, the temperature of the heater 11c does not easily decrease. Therefore, when it is detected that the temperature of the heater 11c is hardly lowered by a thermistor (not shown) that detects the temperature of the heater 11c, it is determined that the amount of the carrier C is equal to or more than a predetermined amount, and the user can be warned with an LED or a buzzer. It may be.

On the other hand, the remaining air passing through the conduit 4 is guided to the light deodorizer 9 through the exhaust port 6, and is deodorized. The air deodorized by the light deodorizer 9 is applied to the main body 1 shown in FIG.
The air is exhausted to the outside through an external exhaust port 18 opened on the side. The processed food waste and the carrier C can be taken out by opening the shutter 20 at the lower part of the main body 1.

In the present embodiment, as shown in FIG. 3, the heater 11 for warming the circulated air is used.
c is provided outside the side surface of the processing tank 2 on the opposite side of the reflux port 5. As the air circulated by the heater 11c is warmed, the temperature of the carrier C increases, and the amount of saturated steam increases. Therefore, the circulated air can contain more water vapor. Thereby, the steam can be efficiently discharged to the outside of the apparatus with a small air flow. Therefore, the inside of the device is less likely to condense.

Further, as shown in FIG. 6, when the total amount of the garbage and the carrier C is increased and the garbage and the carrier C are present between the fan 8 and the heater 11c, the heater 11 is removed.
By making use of the fact that the temperature of c does not easily fall, the capacity of the garbage and the carrier C can also be detected. In that case, if a temperature sensor is attached to the heater 11c,
It is detected that the temperature does not drop due to the wind not hitting c, whereby it is possible to know that the amount of garbage and the carrier C exceeds a predetermined amount.

In the present embodiment, the guide plate 13 is fixed, but the guide plate 13 is configured to be rotatable up and down, and the direction of air blown from the guide plate 13 in accordance with the air volume of the fan 8. May be freely adjustable.

As another embodiment, as shown in FIGS. 7 to 9, two fans 21 and 22 are arranged in series, so that exhaust and circulation are performed simultaneously, thereby increasing the back pressure. Can secure a desired air volume, and can realize space saving. In addition, in FIGS.
1 to 6 are the same as those in FIGS.
Shall be the same as

Two fans 21 and 22 arranged in series
Can perform on-off control individually, and can perform multi-stage air volume control with an inexpensive configuration without using an expensive inverter control fan or substrate.

Specifically, as shown in Table 1, each of the upstream fan 21 and the downstream fan 22 is turned on individually.
Five combinations of air volume control can be performed by the combination of -OFF. In Table 1, the air volume is 100% when the static pressure is 0.

[0034]

[Table 1]

Next, referring to the graph of FIG.
For fans 21 and 22 arranged in series, I: fan 2
When only one of the two is operated, and I
I: Consider the relationship between the air volume and the static pressure when both the fans 21 and 22 are operated. Normally used air volume Q ₁ is static pressure 0
Air volume for Q is less than half of the _0, I near to Q ₁ when,
Comparing the curves of II, it can be seen that the air volume of II is about twice that of I.

[0036]

According to the present invention, the entire carrier in the processing tank can be dried uniformly, and the steam generated in the processing tank can be efficiently discharged.

[Brief description of the drawings]

FIG. 1 is a horizontal sectional explanatory view showing an embodiment of an organic matter treating apparatus according to the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is an explanatory longitudinal sectional view showing a flow of air returned to a processing tank through an internal circulation path in FIG. 1;

FIG. 4 is an explanatory vertical sectional view showing a flow of air sucked from the processing tank of FIG. 1 to a deodorizing filter.

FIG. 5 is an explanatory vertical sectional view showing a flow of air in the light deodorizer of FIG. 1;

FIG. 6 is an explanatory cross-sectional view showing the flow of air when there is a lot of garbage inside the processing tank of FIG. 1;

FIG. 7 is an explanatory horizontal sectional view of an organic material processing apparatus according to another embodiment of the present invention, in which two fans are arranged in series.

FIG. 8 is an explanatory longitudinal sectional view showing a flow of air returned to a processing tank through an internal circulation path in FIG. 7;

FIG. 9 is an explanatory vertical sectional view showing a flow of air in the light deodorizer of FIG. 7;

FIG. 10 is a graph showing a relationship between a flow rate and a static pressure in the organic matter processing apparatus of FIG. 7;

FIG. 11 is a cross-sectional view of an example of a conventional organic substance processing apparatus.

FIG. 12 is a sectional view taken along line AA of the organic substance processing apparatus of FIG. 11;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Processing tank 3 Inlet 4 Conduit 5 Reflux port 6 Exhaust port 7 Deodorizing filter 8, 21, 22 Fan 9 Light deodorizer

Claims (4)

[Claims] 1. An organic material processing apparatus comprising: an internal circulation path for internally circulating air in a processing tank; and an exhaust path for exhausting air in the processing tank to the outside. An organic material processing apparatus in which air flowing into a processing tank is blown substantially horizontally above the processing tank. 2. The organic substance processing apparatus according to claim 1, wherein air flowing from the internal circulation path to the processing tank is blown downward in a range of about 0 to 45 ° from a horizontal plane. 3. The organic substance processing apparatus according to claim 1, wherein the air flowing from the internal circulation path to the processing tank is adjusted so as to blow downward from a horizontal plane in a range of about 0 to 45 °. 4. The organic substance processing apparatus according to claim 1, wherein a heater is provided near a side surface of the processing tank to which the air is applied to heat air flowing from the internal circulation path to the processing tank.