JP3427541B2 - Garbage processing machine - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a garbage processing machine for processing garbage, that is, garbage, used for ordinary households and businesses. 2. Description of the Related Art Garbage disposal systems include a system using combustion heat, a system using microwaves, and a system using an electric heater, depending on the heating source. A garbage disposer using combustion heat uses gas fuel, liquid fuel, or the like, so that the entire apparatus becomes complicated and large, and there is a problem in safety. [0003] In addition, in a kitchen waste treatment machine using microwaves, since microwaves are selectively absorbed by moisture in the kitchen waste,
Although suitable for drying garbage with a high moisture content, it has some difficulties in safety and controllability. On the other hand, kitchen waste treatment machines using electric heaters have excellent safety and controllability,
It is easy to reduce the size and cost of the device. The present inventors have paid attention to this point, and have studied various types of garbage disposal machines using an electric heater, and have proposed a garbage disposal machine as shown in FIG. Hereinafter, the configuration will be described. As shown in FIG. 6, the heat insulating container 1 has a kitchen garbage storage container 2 installed therein so as to be freely taken out. A fixed blade 3 is provided on the inner wall of the kitchen waste container 2. Rotary blade 4
Is connected to the motor 5 and rotated. The in-compartment temperature detector 6 is arranged to detect the ambient temperature in the kitchen waste container 2. The steam temperature detector 7 is used for the kitchen waste container 2
The temperature of the steam flowing out to the condensing means 8 is detected, and is installed on the outer wall surface of the condensing means 8. A condenser 8 and a cooling fan 9 for air-cooling the outer surface of the condenser 8 are provided on the outer periphery of the heat insulating container 1. A condensed water outlet 10 is provided at a lower portion of the condensing means 8, and a gas discharge pipe 11 for discharging water vapor (gas containing odor) generated from kitchen waste from a part of the condensed water outlet 10.
Are connected to each other, and a deodorizing device 12 is provided in the gas discharge tube 11. A condensed water container 13 is provided below the condensed water outlet 10. A lid 14 is provided on the upper part of the condensing means 8,
On the inner surface of the lid 14, a stirring fan 15 and a heater 16 are installed as heating means. Further, the lid 14 can be opened and closed with respect to the garbage disposer main body 18 by a hinge 17, and a lid packing 19 is provided on the lid 14 so as to prevent water vapor generated from the garbage from leaking.
Is provided. The heat insulating container 1, the upper end of the kitchen waste container 2, and the lower surface of the lid 14 are arranged with a gap therebetween, and serve as a passage for water vapor generated from the kitchen waste. The control means 21 inputs the output of the in-chamber temperature detector 6 and the output of the water vapor temperature detector 7 via the input means 22 and the heater 1 via the output means 23.
6, the drying process is performed while controlling the stirring fan 15 and the cooling fan 9, and the like.
The drying process is terminated when the temperature change amount from the maximum value changes by a predetermined amount or more. In the above configuration, the operation will be described. The garbage 24 put in the garbage storage container 2 is stirred by the rotary blade 4 and crushed by the rotary blade 4 and the fixed blade 3. The hot air from the stirring fan 15 and the heater 16 circulates in a space formed by the lower surface of the lid 14 and the kitchen waste container 2, and heats the kitchen waste 24 with hot air while stirring the air in this space. The output of the heater 16 is controlled by the output of the in-chamber temperature detector 6 so that the atmospheric temperature in the kitchen waste container 2 becomes a predetermined temperature, and the drying process of the kitchen waste 2 is continued. Steam is generated from the heated kitchen waste 24 and overflows into the condensing means 8. Due to the function of the heat insulating container 1, the temperature of the condensing means 8 is lower than that of the inside of the kitchen waste container 2, so that the steam is condensed and collected in the condensed water container 13. As the kitchen waste 24 approaches the end of drying, the amount of generated steam decreases, so that the temperature of the steam temperature detector 7 provided on the outer wall side surface of the condensing means 8 changes (decreases). Therefore, the drying process is terminated when the temperature of the steam temperature detector 7 becomes equal to or more than the predetermined amount. If the inside temperature of the kitchen waste container 2 is to be maintained at, for example, 130 ° C., the surface temperature of the heater 16 becomes 300 ° C. or more. A heater cover 30 is attached so as not to directly touch the heater 16 so as not to directly touch the heater. [0008] However, since the garbage is dried by hot air, the dried garbage circulates in the garbage storage container and adheres to the stirring fan and the heater. However, there is also a problem that the inside of the kitchen garbage storage, the stirring fan and the heater become very dirty in appearance. [0009] Further, the dried garbage is discharged from the kitchen garbage storage container by the warm air. As a result, the dried garbage is collected in a condensing means or a condensed water container after a small amount of drying, and the waste water in the condensed water container is discharged. However, there is a problem that the odor becomes dirty and odor is generated. [0010] A first object of the present invention is to provide a garbage disposal machine in which dry refuse does not adhere to a stirring heater or a fan, and it is difficult for dry refuse to enter a condensing means or a condensed water container. The purpose is. A second object of the present invention, in addition to the first object, is to provide a garbage processing machine which can realize a drying process in a shorter time. [0012] In order to achieve the first and second objects, a first means of the present invention is to store a garbage made of a material having a high thermal conductivity such as aluminum or copper. A container, a heating unit disposed at a lower portion of the kitchen garbage container, for heating and drying the kitchen garbage charged in the kitchen garbage container, an exhaust unit for discharging exhaust gas from the kitchen garbage container, and controlling the heating unit. Control means, and drop on the garbage in the garbage container.
And a lid is arranged . [0013] According to the first means, since the drying process is performed from the outside and the lower part of the kitchen garbage container, the dried garbage does not adhere to the stirring heater or the fan. It is possible to provide a garbage disposer that is difficult to enter into the water container. Furthermore, by placing the lid down on top of the garbage, Ru can provide garbage processor to implement the further short time drying process. Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the kitchen waste container 2 is made of a material having good thermal conductivity, such as aluminum, copper, and stainless steel, and is disposed so as to be able to be taken out of the kitchen waste processing machine. A fixed blade 3 is provided on the inner wall of the kitchen waste container 2. The rotary blade 4 is connected to a motor 5 and is rotated. As a heating means, a heater 16 is arranged so as to be in contact with the lower outside of the kitchen waste container 2, and the kitchen waste 24 inside the kitchen waste container 2 is heated and dried by the heater 16 through the kitchen waste container 2. I have. The refrigerator temperature detector 6 is arranged to detect the refrigerator temperature of the kitchen waste container 2. The water vapor temperature detector 7 detects the temperature of water vapor flowing out of the garbage storage container 2 to the condensing means 8, and is installed on the outer wall surface of the condensing means 8. A condensing means 8 is provided on the outer periphery of the kitchen waste disposal machine.
A cooling fan 9 for air-cooling the outer surface of the condensing means 8 is provided. A condensed water outlet 10 is provided at a lower portion of the condensing means 8, and a gas discharge pipe 1 for discharging gas containing water vapor and odor generated from the kitchen waste 24 to a part of the condensed water outlet 10.
1 is connected. A deodorizing device 12 is connected to the
, And the deodorizing device 12 is used to deodorize, and the exhaust port 32 discharges the deodorized gas. A condensed water container 13 for accumulating the condensed water that has passed through the condensing means 8 and a water stop valve 20 for preventing the condensed water from spilling when the condensed water container 13 is removed are provided below the condensed water outflow portion 10. Provided. A lid 14 is provided above the condensing means 8. The lid 14 is openable and closable with respect to the garbage disposer main body 18 by a hinge 17, and the lid 14 is provided with a lid packing 19 so that water vapor generated from the garbage 24 does not leak. The deodorizer 12 is a catalyst 2 for removing putrefaction odor, burnt odor and the like sent through the gas discharge pipe 11.
5, a catalyst heater 26 for heating the temperature of the catalyst 25 to a predetermined temperature to activate the operation of the catalyst 25, and a thermocouple for obtaining temperature information for controlling the heating of the catalyst heater 26 to a predetermined temperature. And a temperature sensor 27 including a thermistor and the like. The control means 21 inputs the outputs of the in-chamber temperature detector 6, the water vapor temperature detector 7, and the temperature sensor 27 of the catalyst 25 via the input means 22, and outputs the outputs of the heater 16 and the catalyst heater 26 via the output means 23. The output is subjected to on / off control and phase control, and the drying process is performed while controlling the cooling fan 9 and the like. Hereinafter, a first embodiment of the present invention will be described with reference to FIG. The operation of the above configuration will be described. When the power of the garbage disposal machine is turned on, the garbage 24 put in the garbage storage container 2 rotates the rotary blade 4 and the garbage 24 is stirred.
The grinding of the kitchen waste 24 is started by the rotary blade 4 and the fixed blade 3. At the same time, the heater 16 operates to heat the kitchen waste container 2 to heat the kitchen waste 24. The control means 21 controls the output of the heater 16 by the output of the internal temperature detector 6 so that the internal temperature of the kitchen waste container 2 becomes, for example, 130 ° C. The kitchen waste 24 is dried, and steam is generated from the kitchen waste 24. The water vapor is condensed by the condensing means 8 from the kitchen waste container 2.
Leaks to The water vapor flowing out to the condensing means 8 whose outer surface is air-cooled by the cooling fan 9 is condensed into water,
The condensed water flows into the condensed water container 13 through the condensed water outlet 10.
Thus, the drying process is continued. The end of the drying process of the kitchen waste 24 is detected by detecting a temperature change of the steam temperature detector 7. When this drying process starts, steam starts to be generated, and the temperature of the steam temperature detector 7 rises according to the amount of generated steam. Kitchen waste 24
As the drying of the garbage approaches the end, the moisture in the kitchen waste 24 decreases, the generation of water vapor decreases, and the temperature of the water vapor temperature detector 7 also decreases. The control means 21 monitors the progress of the water vapor temperature detector 7, and when the temperature of the water vapor temperature detector 7 becomes lower than a set value (for example, 15 ° C.) from the peak value, the drying is ended and the control means 21 ends. Perform detection. As described above, from the outside of the kitchen waste container 2,
To heat and dry the garbage through the garbage storage container 2,
The drying heater, the stirring fan, the heater cover, and the like do not become dirty as in the case of using hot air as in the related art. Further, unlike the conventional hot air type, a drying fan and a fan cover are not required, and the configuration is simple.
The cost can be reduced, and the cleaning of the garbage storage container becomes easier. Further, since the inside of the kitchen garbage container is not heated by the warm air, the dried garbage does not soar by the warm air.
The inside of the kitchen waste container is also very clean. Next, a first embodiment of the present invention will be described with reference to FIG. This reference example is obtained by modifying the induction heating method of heating means in the first embodiment, the heat insulating container 1 made of a nonmagnetic material such as plastic, a heating coil 28 for generating a high-frequency magnetic field, iron or stainless steel And a control means 21 for supplying a high-frequency current to the heating coil 28 to generate a high-frequency magnetic field, and heating the garbage storage container 2 with the high-frequency magnetic field generated by the heating coil 28. Have been. The operation of the above configuration will be described with reference to FIG. The operation before the garbage container 2 is heated is the same as that of the first embodiment. When the process for drying the garbage 24 is started, the control means 21 applies a high-frequency current to the heating coil 28 through the output means to generate a high-frequency magnetic field, and an eddy current flows through the magnetic material portion of the garbage storage container 2. The kitchen waste container 2 generates heat.
The garbage 24 starts to be dried by the heated garbage storage container 2, and steam is generated from the garbage 24. Thus, the drying process of the kitchen waste 24 is continued. The high-frequency magnetic field generated by the heating coil 28 passes through the heat-insulating container 1 made of a non-magnetic material, so that the heat-insulating container 1 is not heated, and only the kitchen waste container is heated. Thus, from the outside of the kitchen waste container 2,
Since the garbage 24 is heated and dried through the garbage storage container 2, the heating means does not become dirty. Further, unlike the hot air type, a drying fan and a fan cover are not required, the configuration is simple, the kitchen garbage is not scattered by the hot air, and the inside of the storage container is easy to clean and easy to clean. By using the induction heating method as the heating method, even if the garbage storage container is removed from the garbage disposal machine, the heating means is located under the heat insulating container and is not soiled, so that it is sanitary. In addition, by using the induction heating method, the heating efficiency can be improved, and the time for the drying treatment can be shortened. By using the induction heating method, even if the lid is closed and heating is started without setting the kitchen waste container,
It does not generate heat like a heater and does not consume useless power. [0031] Next, a second exemplary embodiment of the present invention using FIG. In this reference example, the substance 40 that maintains a constant temperature when heated like water, for example, is sealed in the kitchen garbage container 2 in the first embodiment, and is heated by the heating means. It is configured so that the internal temperature does not rise above a certain temperature. The operation of the above configuration will be described with reference to FIG. The operation before the kitchen waste container 2 is heated is as follows.
This is the same as the first embodiment. When the process for drying the garbage 24 is started, the control means 21 uses the heating means as in the first and second embodiments.
The heating of the kitchen waste container 2 is started. The garbage storage container 2 starts to be heated and the temperature rises. However, since the substance 40 enclosed in the garbage storage container 2 is maintained at a constant temperature, the temperature of the garbage storage container 2 becomes higher than that temperature. Temperature does not rise. The garbage storage container contains a substance with good thermal conductivity, and the garbage storage container itself is also made of a material with good thermal conductivity, so the temperature inside the garbage storage container becomes a constant uniform temperature, The drying process is performed uniformly without drying process such as fresh drying and scorching of the kitchen waste 24 after the drying process. Next, a third exemplary embodiment of the present invention with reference to FIG. 4 will be described. This reference example includes, in addition to the first embodiment,
Heater 1 serving as a heat source of the heating means at the lower part of the kitchen waste container 2
6 and a stirring / drying fan 15 that stirs the heat of the heater 16 and indirectly heats the kitchen waste container 2 using hot air, and heats the entire kitchen waste container 2 from outside with hot air. ing. Before the garbage storage container 2 is heated, it is the same as the first embodiment. When the process for drying the garbage 24 is started, the control unit 21 controls the heater 16 as the heating unit and the stirring and drying fan 1.
5 to start heating the kitchen waste container 2 with hot air. The kitchen waste container 2 starts to be heated and the temperature rises. In order to generate warm air with the stirring and drying fan 15, the kitchen waste container 2 is uniformly heated and is entirely heated. Therefore, the temperature of the kitchen garbage container 2 becomes uniform, the kitchen garbage in the kitchen garbage container 2 is uniformly heated, and the processed kitchen garbage 24 has less drying unevenness. Thus, the garbage drying process of the kitchen waste 24 is continued. Thus, from the outside of the kitchen waste container 2,
Since the garbage 24 is heated and dried through the garbage storage container, the drying heater is not contaminated. Unlike the hot air type inside the kitchen garbage storage container 2, a fan cover is not required, the configuration is simple, and the kitchen garbage storage container can be easily cleaned. Next, a second embodiment of the present invention with reference to FIG. 5 will be described. This embodiment is in addition to the first embodiment.
The lid 29 is placed on the garbage in the garbage storage container. Up to the point where the kitchen waste container is heated, it is the same as the first embodiment. When the kitchen waste drying process is started, the control means
Electric power is supplied to a heater serving as a heating means to start heating. The garbage storage container begins to be heated and the temperature rises. The garbage in the garbage storage container is heated from the bottom, the temperature inside the cabinet is quickly raised by the drop lid placed on the garbage, and the garbage is compressed by the weight of the drop lid and is contained in the garbage Moisture is pushed out, the garbage becomes smaller and the drying process becomes faster. Drying time is reduced by heat from the bottom and weight from the top of the garbage. The garbage in the garbage storage container is uniformly heated, and the processed garbage has less drying unevenness. The drop lid 29 may have an infinite number of holes so that steam generated from the kitchen waste can be dropped and discharged to the upper portion of the lid 29. Similarly, the drop lid 29 may be made slightly smaller than the inner diameter of the kitchen waste container so that steam is discharged from around the drop lid. The first and second embodiments , the first to third references
In the description of the example, the heating temperature in the kitchen garbage container is controlled by the temperature detecting means in the refrigerator . However, a thermostat or the like which stops energization when the temperature rises may be used. The first and second embodiments , the first to third references
In the description of the example, the sheath heater is used as the heater of the heating means, but a far-infrared heater, a halogen heater, or the like may be used. In the above description, the inside temperature detecting means detects the temperature inside the kitchen garbage container. Is also good. As described above , according to the present invention, the inside of the kitchen garbage storage container is less likely to become dirty, and cleaning becomes easier. [0049] Further, while placing the lid down on top of the garbage in the garbage storage container, since heating the garbage container, can be performed in a short time in a drying process.

BRIEF DESCRIPTION OF THE DRAWINGS [Figure 1] first embodiment schematic cross-sectional view of a garbage processing machine showing the FIG. 2 is a schematic cross-sectional view of a garbage processing machine showing a first reference example 3 shows the second schematic cross-sectional view of a garbage processing machine showing a schematic cross-sectional view and FIG. 5 a second embodiment of a schematic cross-sectional view Figure 4 garbage processor of a third reference example of garbage processing machine showing a reference example 6 2 is a schematic cross-sectional view of a garbage processing machine proposed by the present inventors. Heating coil (heating means) 29 Drop lid 40 Material that maintains a constant temperature

Continuing from the front page (72) Inventor Seichi Ueno 1006 Kazuma Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References JP-A-5-177182 (JP, A) JP-A-6-226237 ( JP, A) JP 4-78910 (JP, B2) JP 4-24955 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) F26B 9/06 B09B 5/00

Claims (1)

(57) [Claims] [Claim 1] It is made of a material having good thermal conductivity such as aluminum and copper.
And the lower part of the garbage storage container
Place the garbage in the garbage container and heat and dry it.
Heating means and discharge for discharging exhaust gas from the kitchen waste container
And a control means for controlling the heating means, wherein a dropper is disposed on the garbage in the garbage storage container and a lid is disposed.