JP2002361201A - Apparatus for drying garbage and reducing its volume - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for drying garbage and reducing the volume of the garbage, from which the dried garbage is discharged easily, whose inside is cleaned and washed easily and in which mechanical trouble is hardly caused. SOLUTION: The apparatus is provided with a bottom-blind cylindrical heating chamber 1, a rotary shaft 3 which penetrates the center of the bottom of the chamber 1 and the tip of which is projected into the chamber 1, a rotary drive source 4 arranged outside the chamber 1 for rotating the shaft 3, a bucket 5 which has a bottom-blind cylindrical shape so that garbage to be treated can be housed therein and is attachably and detachably housed in the chamber 1, an agitation blade 6 which is arranged inside the chamber 1, connected attachably and detachably to the tip of the shaft 3 and rotated by the shaft 3 for agitating the inside garbage, a cover 7 for shutting the opening 1b of the chamber 1, a heating means 2 for heating the inside of the chamber 1 and a decompressing means 8 for decompressing the inside of the chamber 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to vegetables, fish, bread,
The present invention relates to a garbage drying and volume reduction apparatus for heating and drying garbage such as rice, cream, shake, paper containers containing moisture, garbage such as fresh flowers, and paper garbage such as wrapping paper and paper napkins.

[0002]

2. Description of the Related Art For example, in a fast food restaurant such as a hamburger shop found in an urban area, garbage such as hamburgers that have not been eaten or hamburgers that have passed time are placed in a waste container together with the paper container. Discarded in bag. In this case, when the garbage bag is full, the full garbage bag is taken out and replaced with a new garbage bag. Such garbage bag replacement work is frequently performed in proportion to the number of customers. If garbage bags are exchanged frequently, it is necessary to secure a storage place for a large amount of garbage bags. In addition, there is also a problem that the cost required to have a local government collect a full garbage bag becomes large.

[0003] Therefore, recently, there has been provided a heating means and a bottomed cylindrical waste accommodating chamber provided with stirring blades therein, and the waste contained in the waste accommodating chamber is stirred by the stirring means while being heated by the heating means. There have been proposed a number of refuse drying and volume reducing devices that are dried and reduced in volume and discharge dried refuse from a discharge port formed in a refuse storage chamber. According to such a refuse drying and volume reducing device, the volume of refuse can be reduced, so that the space for temporary storage is narrower than before, and the cost required for collection by a local government or the like can be significantly reduced.

[0004]

However, the refuse drying and volume reducing apparatus proposed in the prior art has the following problems. (A) It is troublesome to discharge the dried refuse from the discharge port formed in the refuse storage chamber, and when an automatic discharge mechanism is provided, depending on the configuration, the refuse dried on the bottom of the refuse storage chamber. However, sufficient discharge cannot be performed, and there is a hygienic problem. (B) Cleaning and cleaning of the waste storage room after the treatment is very troublesome. (C) As a result, there is a possibility that the machine may be broken down due to clogging of the dried garbage remaining in the garbage accommodating chamber.

SUMMARY OF THE INVENTION An object of the present invention is to provide a refuse drying and volume reducing apparatus which can easily discharge dried refuse, clean and clean the inside of the refuse, and hardly cause a mechanical failure.

[0006]

The configuration of the refuse drying and volume reducing apparatus according to the present invention which achieves the above objects will be described as follows.

The refuse drying and reducing apparatus according to claim 1, wherein the heating chamber has a cylindrical shape with a bottom, a rotating shaft penetrating through the center of the bottom of the heating chamber, and having a tip projecting into the heating chamber; A rotation drive source for rotating the rotation shaft outside the chamber, a bucket having a bottomed cylindrical shape so as to be able to accommodate refuse to be treated, and detachably housed in the heating chamber; and A stirring blade that is provided and is detachably connected to a tip of the rotating shaft and rotates to stir the dust therein; a lid for closing an opening of the heating chamber; and heating for heating the inside of the heating chamber. And a pressure reducing means for reducing the pressure in the heating chamber.

[0008] With this configuration, the bucket housed in the heating chamber is heated by heating the heating chamber by the heating means, and the pressure in the bucket is also reduced by the pressure reduction in the heating chamber by the pressure reducing means. The garbage is accommodated, the heating chamber is heated by the heating means, the pressure in the heating chamber is reduced by the pressure reducing means, and the stirring blades provided in the bucket are rotated. The refuse is crushed and heated under reduced pressure, so that the drying efficiency of the refuse in the bucket is improved, and the time for refuse drying and volume reduction processing can be shortened. In addition, since the bucket containing the refuse to be treated is detachably accommodated in the heating chamber, the bucket is taken out of the heating chamber and turned upside down after the garbage is dried and reduced in volume. The dried waste can be easily discharged by the above operation. In addition, since the bucket is taken out of the heating chamber, cleaning and cleaning of the bucket can be easily performed, and the bucket does not become clogged with dried debris, thereby preventing the occurrence of machine failure. .

In the refuse drying and volume reducing apparatus according to a second aspect, in the heating chamber according to the first aspect, the heating chamber itself is provided with heating means.

With this configuration, it is not necessary to separately provide a heating means, and the handling becomes easy.

According to a third aspect of the present invention, in the refuse drying and volume reducing apparatus, the heating means of the heating chamber provided with the heating means according to the second aspect is constituted by forming the heating chamber into a double structure. The internal space is a heat source room,
A heat source supply passage for supplying a heat source made of steam or hot water to the heat source chamber is connected to the heating chamber.

[0012] With this configuration, since the heat source of the heating means is steam or hot water, heating management is easy, there is no risk of fire occurring due to heating, and safety is excellent.

According to a fourth aspect of the present invention, there is provided a waste drying and volume reducing apparatus, wherein the heating means of the heating chamber provided with the heating means according to the second aspect has an electric heater embedded in a cylindrical wall of the heating chamber, or an electric heater. It is characterized by being configured by winding an electric heater around the outer periphery of a cylindrical wall of a heating chamber.

With this configuration, since the heating means is an electric heater, the heating can be easily controlled, and there is no risk of fire due to heating, and the safety is excellent.

According to a fifth aspect of the present invention, in the refuse drying and volume reducing apparatus, a predetermined gap is formed between the inner surface of the heating chamber and the outer surface of the bucket according to the first, second, third or fourth aspect. It is characterized by.

With such a configuration, since a predetermined gap is formed between the inner surface of the heating chamber and the outer surface of the bucket, when the bucket is accommodated in the heating chamber and taken out, the inner surface of the heating chamber and the outer surface of the bucket are removed. The resistance is small even if the contact is made, and the above operation can be easily performed.

The garbage drying and volume reducing device according to claim 6 is characterized in that a paint for promoting radiation is applied to the inner surface of the heating chamber and the outer surface of the bucket.

[0018] With such a configuration, a predetermined gap is formed between the inner surface of the heating chamber and the outer surface of the bucket, and radiant heat transfer is dominant in the heat transfer from the heating chamber to the bucket housed in the heating chamber. However, since the paint that promotes radiation is applied to the inner surface of the heating chamber and the outer surface of the bucket, the paint that promotes radiation increases the emissivity, increases the amount of heat transfer, and increases the heat transfer from the heating chamber to the bucket. Transmission efficiency is improved.

According to a seventh aspect of the present invention, in the refuse drying and volume reducing apparatus, the stirring blade according to the first, second, third, fourth, fifth, or sixth aspect has a plurality of blades, and the blades are the same. The height from the bottom of the bucket is gradually increased, and the blades are provided at the edges of the wings in the rotation direction.

[0020] With this configuration, the refuse contained in the bucket is agitated by the wings having different heights from the bottom of the bucket. Therefore, the refuse can be efficiently stirred and crushed. Thereby, the efficiency of drying and reducing the volume of refuse can be promoted. In addition, the blades having different heights from the bottom of the buckets are provided with blades at the edges facing in the direction of rotation, so that dust can be crushed and cut small as each blade rotates. ,
Even when the garbage to be treated is large and crushing / cutting processing is required to a certain size or less as a pre-process of the drying and volume reduction processing, the crushing / cutting processing can be performed as it is, and the work efficiency can be improved. .

According to a twelfth aspect of the present invention, in each of the wing bodies according to the seventh aspect, the radial distance from the center of rotation is different from each other so that the refuse is spirally pushed out in the centrifugal direction. And an auxiliary wing is protruded.

With such a configuration, the dust is helically pushed out in the centrifugal direction by the auxiliary wings protruding from each wing body, and the dust uniformly contacts the inner surface of the bucket and receives heat. As a result, the refuse can be heated and dried more efficiently.

According to a ninth aspect of the present invention, in the refuse drying and volume reducing apparatus, the wing body having the lowest height from the bottom of the bucket among the wing bodies according to the seventh or eighth aspect has the bottom of the bucket. A scooping wing for scooping up the refuse is provided.

[0024] With this configuration, dust on the bottom of the bucket can be scooped up by the scooping blades, so that the solidification of dust on the bottom of the bucket can be prevented, and drying can be performed efficiently.

[0025]

1 to 7 show an embodiment of a waste drying and volume reducing apparatus according to the present invention. FIG. 1 is a vertical sectional view of a part of the waste drying and volume reducing apparatus of this embodiment. FIG. 2 is a plan view of the heating chamber shown in FIG. 1, FIG. 3 is a longitudinal sectional view of a bucket housed in the heating chamber, FIG.
5 is a perspective view of a stirring blade provided at the bottom in the bucket, FIG. 5 is a plan view of the stirring blade shown in FIG. 4, FIG. 6 is a cross-sectional view taken along line AA of FIG. 5, and FIG. It is a line sectional view.

The refuse drying and volume reducing apparatus of this embodiment has a bottomed cylindrical heating chamber 1 provided with a heating means 2, and the center of the bottom 1 a of the heating chamber 1 penetrates and the tip projects into the heating chamber 1. Rotating shaft 3, a rotation driving source 4 for rotating the rotating shaft 3 outside the heating chamber 1, and a bottomed cylindrical shape so as to accommodate refuse to be treated and can be attached to and detached from the heating chamber 1. And a rotating shaft 3 provided at the center of the bottom 5 a in the bucket 5.
Stirring blade 6 that is detachably connected to the tip of the bucket and rotates to agitate and crush the refuse stored in the bucket 5.
And a lid 7 for closing the opening 1b of the heating chamber 1.
And a pressure reducing means 8 for reducing the pressure in the heating chamber 1.

A heating chamber 1 provided with the heating means 2
In the heating means 2 described above, the heating chamber 1 has a double structure of an inner cylinder wall 1c and an outer cylinder wall 1d having a common bottom 1a, and a space between the inner cylinder wall 1c and the outer cylinder wall 1d. A heat source chamber 10 is formed by sealing the distal end with a sealing material 9, and an internal space between the inner cylinder wall 1 c and the outer cylinder wall 1 d.
The heating chamber 1 is connected to a heat source supply passage 11 for supplying a heat source to the heat source chamber 10 and a heat source discharge passage 12 for discharging a heat source passing through the heat source chamber 10. (Not shown).

In this embodiment, steam is used as the heat source, but the heat source may be hot water. As a heating means 2 of the heating chamber 1 provided with the heating means 2, an electric heater is embedded in a cylindrical wall of the heating chamber 1, or an electric heater is provided on an outer periphery of the cylindrical wall of the heating chamber 1, although not shown. It may be constituted by winding. Also, the heating means 2 of the heating chamber 1
Need not always be provided in the heating chamber 1 as in this example, and another heating means may be separately provided.

Further, a vacuum passage 14 connected to a vacuum pump 13 is connected to the heating chamber 1, and constitutes a pressure reducing means 8 for reducing the pressure in the heating chamber 1.

The heating chamber 1 configured as described above
Is fixed to the housing 27 in a state where the central axis is inclined (for example, about 45 °) with respect to the vertical line with the opening 1b thereof facing upward.

The opening 1b of the heating chamber 1
The lid 7 is closed by a guide rail (not shown) provided on the housing 27 and moves parallel to the opening surface of the opening 1 b of the heating chamber 1. 1b can be hermetically closed. The movement for opening and closing the lid 7 is performed by moving the chain 1 suspended on a sprocket 16 rotated by a motor 15.
The cover 7 is attached to the motor 7 and is driven by a motor 15.

A handle 18 is detachably housed in the heating chamber 1 and has a handle 18 at an opening thereof. The handle 18 has such a height that the handle 18 does not protrude outside from the opening 1 b of the heating chamber 1 when the bucket 5 is stored in the heating chamber 1. Further, a projection 19 is formed on the inner surface of the bucket 5 to serve as a resistor for dirt that tends to rotate along with the inner surface of the bucket 5 by the rotation of the stirring blade 6 to improve the crushing effect.

A stirring blade 6 for stirring and crushing the refuse in the bucket 5 is provided at the bottom 1 a of the heating chamber 1.
Rotating shaft 3 projecting into the heating chamber 1 from the center of the
A boss portion 20 is detachably connected to the tip 3a of the nosepiece, and four wings 21a, 21b, 21c, and 21d project radially from the boss portion 20 at equal intervals in the circumferential direction. In the stirring blade 6, in this example, as described above, the four blades 21a, 21b, 21c,
Although 21d protrudes, it is not always necessary to use four.

The boss 20 has a tip 3a of a rotating shaft 3 protruding into the heating chamber 1 at one end thereof.
A fitting connection hole 20a is formed so as to be detachably fitted to the boss portion 20 and transmits the rotation of the rotating shaft 3 to the boss portion 20, and the end in which the fitting connection hole 20a is formed is formed on the bottom 5a of the bucket 5. It penetrates the center and is rotatably mounted via bearings 22. The tip 3a of the rotating shaft 3 and the boss 2
In the fitting connection hole 20a formed in the end face of the rotary shaft 3, the tip 3a of the rotating shaft 3 is formed in a prism, and the fitting connection hole 20a is formed.
Is formed in a square hole corresponding to the tip 3 a of the rotating shaft 3.

Four wings 21a, 21b, 21 projecting radially from the boss 20 at equal intervals in the circumferential direction.
c and 21d are configured such that the height from the bottom 5a of the bucket 5 is gradually increased. In this example, the four wings 21a, 21b, 21c, 21d protrude from the same position of the boss 20, and the angle of the boss 20 in the axial direction, that is, in the height direction from the bottom 5a of the bucket 5, is set. By changing the height, the height of the bucket 5 from the bottom 5a is sequentially increased, but the four wings 21a, 21
The four wings 21a, 21b, 21c, 21d are shifted from the bottom 5a of the bucket 5 by shifting the protruding positions of the b, 21c, 21d from the boss 20 in the axial direction of the boss 20. Needless to say, the height may be gradually increased.

The wing bodies 21a, 21b, 21c,
Blades 23a, 23b, 23c, and 23d suitable for crushing and cutting of dust are respectively provided on edges facing the rotation direction of 21d.
Is provided. Further, the wing bodies 21a, 21b, 2
Auxiliary wings 24a, 24b, 24c, 24d are provided at 1c, 21d in different heights in the radial direction from the center of rotation so as to spirally push out dust in the bucket 5 in the centrifugal direction. I have. In this example, the wing bodies 21a, 21b, 2
The height from the bottom portion 5a of the bucket 5 is sequentially increased in the order of 1c and 21d, and the auxiliary wings 24 which are closest to the wing body 21a at the lowest position in the radial direction from the center of rotation.
21a, 21b, 21a, 21a, 21a
In accordance with c and 21d, auxiliary wings 24b, 24c and 24d projecting from the center of rotation in the radial direction become longer. Further, the auxiliary wings 24a, 24b, 24c, 24d
In order to effectively push out the refuse in the bucket 5 in the centrifugal direction, each is angled such that the surface in the rotation direction faces outward.

The wing bodies 21a, 21b, 21c,
A scooping blade 25 that scoops up dust on the bottom 5a of the bucket 5 is provided on the wing body 21a having the lowest height from the bottom 5a of the bucket 5 among the 21d.

As described above, the bucket 5 provided with the stirring blade 6 at the bottom 5a is removably accommodated in the heating chamber 1. When the bucket 5 is accommodated in the heating chamber 1, A predetermined gap S is formed between the inner surface and the outer surface of the bucket 5. A predetermined gap S is maintained between the inner surface of the heating chamber 1 and the outer surface of the bucket 5, and a tip 3 a of the rotating shaft 3 protruding into the heating chamber 1 and stirring provided in the bucket 5. A guide / spacer 26 for positioning the boss 20 of the wing 6 is provided. The guide / spacer 26 is not necessarily provided in the heating chamber 1
Need not be provided on the inner surface of the bucket 5, and may be provided on the outer surface of the bucket 5.

Since the gap S is formed between the inner surface of the heating chamber 1 and the outer surface of the bucket 5 as described above, the radiant heat transfer is dominant in the heat transfer from the heating chamber 1 to the bucket 5. Therefore, a paint that promotes radiation is applied to the inner surface of the heating chamber 1 and the outer surface of the bucket 5 in order to improve emissivity and increase heat transfer. As radiation paint, Okitsumo Color Freon 10F
-4 (manufactured by Okitsumo Co., Ltd.).

In the processing of the waste by the waste drying and volume reducing device thus configured, the waste is put into the bucket 5 accommodated in the heating chamber 1 and the motor 15 is driven to open the lid 7. The heating unit 2 is moved in the closing direction to close the opening 1b of the heating chamber 1 and, in this state, the rotation driving source 4 is driven to rotate the stirring blades 6 in the bucket 5 to stir the refuse, and the heat source of the heating unit 2 is stirred. Heat source supply passage 1
1 to the heat source chamber 10 of the heating chamber 1 and
The heating chamber 1 is evacuated by the vacuum pump 13 of the pressure reducing means 8 to reduce the pressure.

As a result, the refuse in the bucket 5 is heated under reduced pressure while being agitated and crushed by the stirring blade 6, and the evaporation of the moisture in the refuse is promoted by the reduction of the saturation temperature due to the reduced pressure. The drying efficiency of the refuse in the interior is improved, and the time required for the refuse drying and volume reduction can be reduced.

In this embodiment, the stirring blades 6 for stirring and crushing the dust in the bucket 5 are provided with four blades 21a, 21b, 2 radially protruding from the boss portion 20 at equal intervals in the circumferential direction.
1c, 21d, the wing bodies 21a, 21b, 21
Since c and 21d are configured such that the height from the bottom 5a of the bucket 5 is gradually increased, the efficiency of agitation of dust in the bucket 5 is good, and the drying efficiency can be improved accordingly.
Blades 23a, 23b, 23c, and 23d suitable for crushing and cutting dust are provided at the edges of the wings 21a, 21b, 21c, and 21d in the rotation direction. , 21b, 21c, and 21d, the refuse can be crushed and cut into small pieces as the rotation of the refuse, and the refuse to be treated is large. Even in such a case, it is possible to directly put the material into the bucket 5, thereby improving the work efficiency and improving the efficiency of drying and reducing the volume of refuse.

Further, the wing bodies 21a, 21b, 21c,
21d is provided with auxiliary wings 24a, 24b, 24c and 24d projecting in the height direction at different radial distances from the center of rotation so as to spirally push out the dust in the bucket 5 in the centrifugal direction. , Auxiliary wings 24a, 24b, 24c, 24
By d, the refuse is extruded spirally in the centrifugal direction, and the refuse can uniformly contact the inner surface of the bucket 5 and receive heat, so that the refuse can be more efficiently heated and dried. I can do it.

Further, the wing bodies 21a, 21b, 21
Of the c and 21d, the wing body 21a having the lowest height from the bottom 5a of the bucket 5 is provided with scooping wings 25 for scooping up dust on the bottom 5a of the bucket 5,
The dust on the bottom 5a of the bucket 5 can be scooped up by the scooping blades 25, and the solidification of the dust on the bottom 5a of the bucket 5 can be prevented, and drying can be performed efficiently.

In the heating means 2, since the heat source is steam, heating management is easy, and there is no risk of fire due to heating, and the safety is excellent. Further, in this example, since the gap S is formed between the inner surface of the heating chamber 1 and the outer surface of the bucket 5, heat transfer from the heating chamber 1 to the bucket 5 accommodated in the heating chamber 1 is not performed. Radiation heat transfer is dominant, but since the paint that promotes radiation is applied to the inner surface of the heating chamber 1 and the outer surface of the bucket 5, the paint that promotes radiation improves the emissivity and increases the amount of heat transfer. Thus, the efficiency of heat transfer from the heating chamber 1 to the bucket 5 is improved.

When the drying and volume reduction processing of the refuse in the bucket 5 is completed as described above, the lid 7 is moved in the opening direction to open the opening 1b of the heating chamber 1, and the dried refuse is discharged. Since the refuse is accommodated in the bucket 5 detachably accommodated in the heating chamber 1, the dried refuse is discharged by taking the bucket 5 out of the heating chamber 1 using the handle 18 and inverting the refuse. It can be easily discharged by such an operation. In addition, since the bucket 5 is taken out of the heating chamber 1, cleaning and cleaning of the bucket 5 can be easily performed. Occurrence can be prevented.

In this operation, since the gap S is formed between the inner surface of the heating chamber 1 and the outer surface of the bucket 5, when the bucket 5 is accommodated in the heating chamber 1 and taken out, the inner space of the heating chamber 1 is removed. Even if the bucket 5 comes into contact with the outer surface, the resistance is small, and the above-mentioned work can be easily performed.

Further, in this embodiment, the heating chamber 1 is fixed to the housing 27 with the central axis thereof inclined (for example, about 45 °) with respect to a vertical line with the opening 1b thereof facing upward. The bucket 5 is also tilted in accordance with the tilt of the heating chamber 1, whereby the area in which the debris in the bucket 5 contacts the inner surface of the bucket 5 increases, and the debris can be efficiently heated and dried. Of the bucket 5 can be easily performed.

In this embodiment, the heat source of the heating means 2 of the heating chamber 1 is steam, but the present invention is not limited to this. The heat source may be hot water, and the heating means 2 is an electric heater. There may be. In this example,
Blade portions 23a, 23b, 23c, and 23d are provided at one side edge of each of the wing bodies 21a, 21b, 21c, and 21d, but the wing bodies 21a, 21b, 21c, and 21d are provided.
d may be provided on both side edges.

[0050]

According to the first aspect of the present invention, the waste in the bucket is crushed while being stirred and heated under reduced pressure, and the efficiency of drying the waste in the bucket is reduced. The time required for drying and reducing the volume of waste can be shortened. In addition, since the bucket containing the refuse to be treated is detachably accommodated in the heating chamber, the bucket is taken out of the heating chamber and turned upside down after the garbage is dried and reduced in volume. The dried waste can be easily discharged by the above operation. In addition, since the bucket is taken out of the heating chamber, cleaning and cleaning of the bucket can be easily performed, and the bucket does not become clogged with dried debris, thereby preventing a machine failure. be able to. According to the refuse drying and volume reducing device of the second aspect, there is no need to separately install a heating means, and the handling becomes easy. According to the third aspect of the present invention, since the heat source of the heating means is steam or hot water, it is easy to manage the heating, and there is no risk of fire due to heating, and the apparatus is excellent in safety. Becomes According to the fourth aspect of the present invention, since the heating means is an electric heater, the heating control is easy, there is no risk of fire due to heating, and the apparatus is excellent in safety. According to the refuse drying and volume reducing device according to claim 5, since the predetermined gap is formed between the inner surface of the heating chamber and the outer surface of the bucket, the bucket is housed in the heating chamber, and when the work is taken out, Even if the inner surface of the heating chamber and the outer surface of the bucket come into contact with each other, the resistance is small, and the above operation can be easily performed. According to the refuse drying and volume reducing device of the sixth aspect, heat is transferred from the heating chamber to the bucket housed in the heating chamber by forming a predetermined gap between the inner surface of the heating chamber and the outer surface of the bucket. Although radiant heat transfer is dominant, paint that promotes radiation is applied to the inner surface of the heating chamber and the outer surface of the bucket, so that the paint that promotes radiation improves the emissivity and increases the amount of heat transfer. In addition, the efficiency of heat transfer from the heating chamber to the bucket can be improved. According to the refuse drying and volume reducing device of the seventh aspect, refuse stored in the bucket is stirred by the wings having different heights from the bottom of the bucket, so that the refuse can be efficiently stirred. Together with crushing, which can promote the efficiency of drying and volume reduction of refuse. In addition, the blades having different heights from the bottom of the buckets are provided with blades at the edges facing in the direction of rotation, so that dust can be crushed and cut small as each blade rotates. Even if the garbage to be treated is large and the crushing / cutting processing is required to be a certain size or less as a pre-process of the drying and volume reduction processing, the crushing / cutting processing can be directly input into the bucket, thereby improving work efficiency. Can be planned. According to the refuse drying and volume reducing device according to claim 8, the refuse is pushed out in the centrifugal direction in a spiral shape by the auxiliary wing protruding from each wing body, and the refuse is uniformly distributed on the inner surface of the bucket. Since heat can be received by contact, refuse can be more efficiently heated and dried. According to the refuse drying and volume reducing device according to claim 9, trash on the bottom of the bucket can be scooped up by the scooping wings, thereby preventing refuse from solidifying on the bottom of the bucket and drying efficiently. it can.

[Brief description of the drawings]

FIG. 1 is a partially omitted longitudinal sectional view showing an example of an embodiment of a refuse drying and volume reducing apparatus according to the present invention.

FIG. 2 is a plan view of the heating chamber shown in FIG.

FIG. 3 is a longitudinal sectional view of a bucket housed in the heating chamber shown in FIG.

FIG. 4 is a perspective view of a stirring blade provided at a bottom inside the bucket shown in FIG. 1;

FIG. 5 is a plan view of the stirring blade shown in FIG.

FIG. 6 is a sectional view taken along line AA of FIG. 5;

FIG. 7 is a sectional view taken along the line BB of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Heating chamber 1a Bottom 1b Opening 1c Inner cylinder wall 1d Outer cylinder wall 2 Heating means 3 Rotation shaft 3a Tip of rotation shaft 4 Rotation drive source 5 Bucket 5a Bottom 6 Stirrer blade 7 Cover 8 Decompression means 9 Seal material 10 Heat source chamber 11 Heat source supply passage 12 Heat source discharge passage 13 Vacuum pump 14 Vacuum passage 15 Motor 16 Sprocket 17 Chain 18 Handle 19 Projection 20 Boss 20a Fitting connection hole 21a, 21b, 21c, 21d Wing body 22 Bearing 23a, 23b, 23c, 23d Blade 24a, 24b, 24c, 24d Auxiliary wing 25 Scooping wing 26 Guide and spacer 27 Housing S Gap

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Tetsushi Nakai 7th Horie-cho, Matsuyama-shi, Ehime Miura Industrial Co., Ltd. (72) Inventor Daisuke Yoshikawa 7th Horie-cho, Matsuyama-shi, Ehime Miura Industrial Co., Ltd. (72) Inventor Chitaro Miura 1-5-20 Kaigan, Minato-ku, Tokyo Tokyo Gas Co., Ltd. (72) Inventor Norio Tsukita 1-5-20 Kaigan, Minato-ku, Tokyo Tokyo Gas Co., Ltd. Kanada 1-5-20 Kaigan, Minato-ku, Tokyo Tokyo Gas Co., Ltd. (72) Inventor Shunta Yagi 1-5-20 Kaigan, Minato-ku, Tokyo Tokyo Gas F-term (reference) 3L113 AA04 AA06 AB05 AC03 AC05 AC08 AC23 AC31 AC42 AC45 AC46 AC48 AC49 AC58 AC63 AC68 AC75 BA00 DA01 DA10 DA21 4D004 AA03 AA12 CA04 CA22 CB26 CB31 CB32

Claims (9)

[Claims] 1. A heating chamber having a bottomed cylindrical shape, a rotating shaft penetrating through the center of the bottom of the heating chamber, and having a tip projecting into the heating chamber, and a rotation for rotating the rotating shaft outside the heating chamber. A driving source, a bucket having a bottomed cylindrical shape so as to accommodate refuse to be treated, and detachably housed in the heating chamber, and a bucket provided in the bucket and attached to and detached from a tip of the rotating shaft. A stirring blade that is connected and rotatable to stir the dust inside, a lid that closes an opening of the heating chamber, a heating unit that heats the inside of the heating chamber, and a decompression that depressurizes the inside of the heating chamber. A refuse drying and volume reducing device comprising means. 2. The refuse drying and volume reducing apparatus according to claim 1, wherein the heating chamber itself has a heating means in the heating chamber. 3. The heating means of the heating chamber provided with the heating means is constituted by making the heating chamber a double structure, and its internal space is a heat source chamber,
The refuse drying and reducing apparatus according to claim 2, wherein a heat source supply passage for supplying a heat source made of steam or hot water to the heat source chamber is connected to the heating chamber. 4. The heating means of the heating chamber provided with the heating means is constituted by embedding an electric heater in a cylindrical wall of the heating chamber, or winding an electric heater around an outer periphery of the cylindrical wall of the heating chamber. The refuse drying and volume reducing device according to claim 2, characterized in that: 5. The refuse drying and reducing apparatus according to claim 1, wherein a predetermined gap is formed between an inner surface of the heating chamber and an outer surface of the bucket. 6. The refuse drying and volume reducing apparatus according to claim 5, wherein a paint for promoting radiation is applied to an inner surface of the heating chamber and an outer surface of the bucket. 7. The stirring blade has a plurality of blades, and the blades are configured so that the height from the bottom of the bucket is gradually increased. The blade is provided in the, The claim 1, characterized in that
7. The waste drying and volume reducing apparatus according to 2, 3, 4, 5 or 6. 8. An auxiliary wing is provided on each of the wings so as to spirally push the dust in a centrifugal direction at a different radial distance from a center of rotation.
A garbage drying and volume reducing device according to item 1. 9. A scooping wing for scooping up the refuse on the bottom of the bucket is provided on the wing having the lowest height from the bottom of the bucket among the wings. The refuse drying and volume reducing device according to claim 7 or 8.