JPH04256483A - garbage disposal equipment - Google Patents

Abstract

PURPOSE:To decrease the volume and weight of refuse and to hygienically treat refuse with good thermal efficiency with the refuse treating device which subjects the refuse to a drying treatment by microwave heating. CONSTITUTION:A microwave heater 9, a discharge hole 12 and a cooling means 16 are disposed in a housing chamber 3 internally housing a refuse treating bag 1 and a condensing space is provided between the housing chamber 3 and the bag 1. The steam generated from the refuse 7 by the microwave heating is condensed in the housing chamber 3 cooled by a cooling means 16 and is discharged together with the free water from the refuse 7 from the discharge hole 12. The blast subjected to a heat exchange with the housing chamber 3 is admitted into the bag 1 to accelerate the drying of the refuse 7, by which the volume and weight of the refuse are reduced and the thermal efficiency is improved. The dry refuse 7 is taken out together with the bag 1, by which the refuse is hygienically treated.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for reducing the weight and volume of waste by microwave heating and making it sanitary.

0002

[Prior Art] Conventionally, in order to dispose of garbage hygienically,
There are garbage processing devices that dry or incinerate garbage, and various types suitable for large-scale facilities have been put into practical use. on the other hand,
A garbage disposal device that dries garbage using microwaves and completely burns it during incineration has been proposed as a small device that can be used in homes and general restaurants, and is attracting attention. This garbage disposal device has the advantage of having the fastest rate of drying garbage.

0003

[Problems to be Solved by the Invention] When garbage is treated with such a garbage disposal device using microwaves, the garbage becomes dry or turns into ash and does not decompose. Also,
Although it is smaller and lighter and easier to dispose of, there is a problem that it is not necessarily sanitary because hands get dirty when taking out dried kitchen waste or dirt remains on the device.

[0004] Furthermore, since the latent heat of vaporization of the water contained in the waste is large, there is also the problem that the power consumption required for drying becomes large.

[0005] The present invention solves the above-mentioned problems, and provides a garbage processing device that can reduce the volume and weight of garbage, has high thermal efficiency, and can dispose of garbage in a hygienic manner. It is an object.

[0006]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a garbage disposal bag formed of a microwave-transmitting material and having air permeability and water permeability, and a microwave-transmitting bag in which the bag is housed. a storage chamber formed of a reflective material, a microwave heating device that irradiates microwaves to the garbage contained in the bag, and a condensation space formed between the bag and the storage chamber;
The storage chamber includes a discharge hole provided at the bottom of the storage chamber, and a cooling means for cooling the storage chamber.

[0007]

[Operation] According to the present invention, the garbage contained in the bag is heated by microwaves, and the moisture contained in the garbage is evaporated and discharged into the condensation space. The discharged water vapor is condensed on the inner wall of the storage chamber cooled by the cooling means to form dew, and is discharged from the discharge hole as free water together with the water dripping from the bag.

[0008] Furthermore, the air blown by the cooling means exchanges heat with the outer wall of the storage chamber to increase the temperature, flows into the bag stored in the storage chamber, heats the garbage, passes through the bag, and is discharged from the discharge hole. .

[0009] This makes it possible to reduce the amount and weight of waste, and to improve the thermal efficiency of waste treatment.

0010

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

FIG. 1 shows a first embodiment of the present invention, and as shown in the figure, 1 is a garbage made of a material having air permeability and water permeability, such as plastic film or paper, and which is transparent to microwaves. This is a disposable bag that holds 7. A plurality of holes 2 are provided in the lower part of the bag 1 to improve water permeability. 3 is a bucket-shaped storage room made of microwave reflective material.
A heat radiation section 3a is formed on the outer wall surface, and a discharge hole 12 for discharging water and air is provided on the bottom surface. The opening 4 of the bag 1 is removably attached to the opening 6 of the storage chamber 3 by means of a frame 5, and the bag 1 is stored in the storage chamber 3 in a hanging manner. 8
is an exterior body that houses the storage chamber 3 and has a lid 8a.

Reference numeral 9 denotes a microwave heating device that irradiates microwaves to the garbage 7 in the bag 1, which is heated to the storage chamber 3 through a waveguide 10.
is attached to the side wall of the Reference numeral 11 denotes a lid provided at the opening of the waveguide 10 and is made of a microwave transparent material.

Reference numeral 13 denotes a condensation space formed between the storage chamber 3 and the bag 1, and is a space in which free water in which water vapor evaporated from the garbage 7 stays drips.

Reference numeral 14 denotes an exhaust pipe for discharging water vapor and exhaust gas to the outside from the exhaust hole 12, and a catalyst 20 heated by a heater 19.
It is connected to a blower device 16 which is a cooling means through. The air from this air blower 16 is sucked through the intake hole 8b of the exterior body 8, passes through the inflow hole 8c, touches the heat radiation part 3a of the outer wall of the storage chamber 3, cools the storage chamber 3, and then flows into the storage chamber 3.
It passes through the bag 1 stored in the storage chamber 3, passes through the discharge hole 12, the exhaust pipe 14, and the catalyst 20, and is discharged to the outside. A drain pipe 15 drains water from the storage chamber 3 and is connected to a sewer pipe 24 via a trap 23. Reference numeral 21 indicates a temperature detection device disposed within the exhaust pipe 14, and 22 indicates a temperature detection device disposed in the catalyst 20.

In the above structure, when the moisture-containing garbage 7 is put into the bag 1 and heated by the microwave heating device 9, the temperature of the garbage 7 rises and generates water vapor. Since microwaves have good permeability to water, the temperature of the waste 7 tends to rise from the central part where it is difficult to dissipate heat, and as the temperature rises, the cells of the waste 7 are thermally destroyed and free water is generated. This free water and intracellular water further absorb microwaves and generate water vapor. In this way, water vapor first
The water is generated in the center of the condensation space 13 and is discharged from the surface layer into the condensation space 13 while pushing out the free water due to surrounding thermal destruction. On the other hand, the pushed out free water passes through the gaps between the garbage 7 and flows down from the holes 2 at the bottom of the bag 1 into the condensation space 13, that is, to the bottom of the storage chamber 3. The free water that has flowed down is discharged through the drain hole 12 at the bottom of the storage chamber 3.
, and is discharged to the sewer pipe 24 through the drain pipe 15 to the outside.

Although the extrusion of free water ends before drying, water vapor continues to be generated even after the generation of free water ends until the waste 7 is completely dried. This water vapor fills the condensation space 17 through the gaps between fibers if the bag 1 is made of paper, or through the holes 2 if it is a plastic film.

Here, the wall surface of the storage chamber 3 is cooled by heat exchange through the heat radiating section 3a by the air blown by the blower 16, which is a cooling means, so that the water vapor in the condensing space 17 condenses and condenses, and the water vapor in the condensing space 17 condenses into dew. 12 along with free water. Further, the air whose temperature has increased due to heat exchange flows into the storage chamber 3, heats the waste 7 to promote drying, passes through the bag 1, and is discharged to the outside from the exhaust pipe 14. During this exhaust, water vapor that has not been completely condensed in the condensing space 17 is discharged to the outside. Then, some odor components contained in the water vapor are oxidized and decomposed by the catalyst 20 and are discharged odorless.

As described above, according to the garbage disposal apparatus of the embodiment of the present invention, the moisture-containing garbage 7 is heated by microwaves to turn the moisture into steam or free water, and the storage chamber 3 is cooled by the cooling means. Condenses water vapor and discharges it to the outside along with free water.
By heating the waste 7 with the heat-exchanged air and promoting drying, it is possible to reduce the volume and weight of the waste 7 and to improve thermal efficiency.

Furthermore, the free water contains organic substances such as fat and carbohydrates, which adhere to the storage chamber 3, but the condensed water of steam washes away these impurities, keeping the interior of the storage chamber 3 clean. It has the effect of being able to be made into something.

Furthermore, a condensation space 1 is provided between the bag 1 and the storage chamber 3.
7, there is no contact between the garbage 7 and the storage chamber 3, and as a result, the heat of the heated garbage 7 is not transferred to the cooled storage chamber, thereby further increasing thermal efficiency. It has the effect of being able to

Furthermore, by making the bag 1 removably attachable to the storage chamber 3, the dried garbage 7 can be taken out together with the bag 1, resulting in the effect that the dried garbage can be disposed of hygienically.

[0022] Furthermore, there is an effect that odor components contained in the discharged water vapor can be made odorless by the catalyst.

Next, a second embodiment of the present invention will be described with reference to FIG. Note that the same parts as those shown in the first embodiment are denoted by the same reference numerals, and the description thereof will be omitted.

At the bottom of the storage chamber 3, a bag support stand 25 is provided which supports the bottom of the bag 1 and is made of a perforated metal plate such as wire mesh or punched metal.

With the above configuration, the bottom of the bag 1 is supported by the bag support stand 25, so that the bag 1 can be prevented from being damaged.

Furthermore, since the bottom of the bag 1 and the bottom of the storage chamber 3 are separated from each other, dripping of separated water and condensation of water vapor can be carried out effectively.

Furthermore, since the bag support stand 25 is made of a metal porous plate, it reflects microwaves, so the water dropped at the bottom of the storage chamber 3 is not heated, and the heating efficiency of the microwaves is increased. It can be made higher.

[0028]

Effects of the Invention As is clear from the description of the embodiments above, according to the present invention, there is provided a storage chamber in which a garbage disposal bag is placed, a microwave heating device for heating the garbage, and a storage chamber for the bag and the storage chamber. By configuring a garbage disposal device with a condensation space formed between the two, a discharge hole provided in the storage chamber, and a cooling means for cooling the storage chamber, moisture-containing garbage can be dried by microwave heating. The water vapor generated from the garbage is condensed in the storage chamber, which is cooled by the cooling means, and is discharged together with free water, and the air blown by the cooling means is heated by heat exchange with the storage chamber, promoting the drying of the garbage inside the bag. However, the condensed water can be used to clean the storage room, and the dried garbage can be taken out and disposed of along with the bag, reducing the volume and weight of the garbage.
It is possible to provide a garbage disposal device that has high thermal efficiency and can dispose of garbage hygienically.

[Brief explanation of the drawing]

[FIG. 1] A vertical cross-sectional view of a first embodiment of the garbage disposal device of the present invention.

[Fig. 2] Longitudinal cross-sectional view of the second embodiment

[Explanation of symbols]

1 bag 3. Storage room 9 Microwave heating device 12 Discharge hole 13. Condensed space 16　Blower device (cooling means) 20 Catalyst 25 Bag support stand

Claims (4)

[Claims] Claims: 1. A waste disposal bag made of a microwave-transmitting material and having air permeability and water permeability; a storage chamber made of a microwave-reflecting material in which the bag is housed; and a bag housed in the bag. A microwave heating device that irradiates garbage with microwaves,
A garbage disposal device comprising: a condensation space formed between the bag and the storage chamber; a discharge hole provided at the bottom of the storage chamber; and a cooling means for cooling the storage chamber. Claim 2: Claim 1, wherein a bag support base formed of a metal porous plate that supports the bottom of the bag is disposed at the bottom of the storage chamber.
Garbage disposal equipment as described. 3. The cooling means comprises an air blower, and the air from the air blower cools the outer wall of the storage chamber, and then flows into the storage chamber, passes through the bags stored in the storage chamber, and cools the outer wall of the storage chamber. The waste disposal device according to claim 1, wherein the waste is discharged from an outlet of the chamber. 4. The garbage disposal apparatus according to claim 3, wherein the air is preheated by condensation heat on an outer wall of the storage chamber before flowing into the storage chamber.