JP6867112B2 - Waste sorting equipment - Google Patents

Description

The present invention relates to a waste sorting device that sorts various types of garbage by type, and more specifically, waste sorting suitable for sorting and collecting organic waste such as kitchen waste from general waste such as household garbage. Regarding the device.

In recent years, in order to use kitchen waste contained in general waste such as household waste as fuel for biomass power generation, it has been carried out to collect kitchen waste from general waste. As a waste sorting device used for collecting this kitchen waste, a crushing sorting device is generally used. The crushing and sorting device usually consists of a combination of a horizontal axis rotating drum type screen and a horizontal axis rotating crushing blade arranged in the screen, and various kinds of dust put into the drum type screen are collected. It is finely crushed by the crushing blade inside the screen, and sorted into raw garbage and other garbage by the drum-shaped screen on the outside.

Such a crushing and sorting device has a limitation that it can sort only two types of garbage, that is, the garbage discharged to the outside of the screen and the garbage other than the garbage remaining in the screen, and the sorting accuracy is high. It is forced to decline. Moreover, since all the put-in garbage is once finely crushed, a considerable amount of the garbage remains attached to the garbage other than the kitchen garbage, and there is a problem that the sorting and collecting efficiency of the kitchen garbage is lowered. Further, there is a problem that the installation space is large because the device is horizontal.

As a waste sorting device having a small installation space, there is a cyclone type wind power sorting device that sorts heavy objects and lightweight objects by generating a swirling air flow in a vertical cylindrical casing (Patent Document 1). However, since this sorting device uses wind power sorting, there is a restriction that only lightweight materials such as plastic waste can be sorted and collected at most, and it is not suitable for sorting and collecting kitchen waste. Also, the types of sorting are limited to two types. If the wind power sorting devices are arranged in multiple stages, it is possible to sort three types and four types, but of course, the installation space will have to be increased.

Japanese Unexamined Patent Publication No. 2006-326463

An object of the present invention is to provide a waste sorting device capable of efficiently performing various types of sorting with a small device and sorting and collecting kitchen waste with high efficiency.

In order to achieve the above object, the sorting device of the present invention has a casing having a vertical cylindrical shape, the upper surface of which is opened as an input port, the bottom surface of which is opened as a first discharge port, and the side surface of which is provided with a second discharge port. A sorting plate having a screen structure arranged in the casing that also serves as a bottom plate of the casing and a stirring member arranged in the center of the casing and arranged on the sorting plate or the sorting plate are rotated in the circumferential direction. It is equipped with a vertical rotation axis.

In the sorting apparatus of the present invention, various kinds of dust thrown into the casing from the input port on the upper surface are rotationally agitated on the sorting table by the rotation of the sorting table or the rotation of the stirring member on the sorting table, resulting in rotary stirring. It moves to the outer peripheral side on the sorting table due to the accompanying centrifugal force. In the process of this movement, various kinds of dust thrown in are sorted into small dust that falls under the sorting table and large dust that remains on the sorting table, and the small dust is sorted into the first discharge port on the lower surface. Therefore, the large-sized dust is discharged to the outside of the casing from the second discharge port on the side surface.

Thus, according to the waste sorting apparatus of the present invention, various kinds of garbage are sorted into two types mainly according to their sizes.

If the casings are stacked in multiple stages in the vertical direction together with the sorting table and the rotation axis in the center is shared by each stage, the installation space is not increased and the complexity of the structure is minimized. It is possible to select three or more types. For example, when the casing is arranged in two stages together with the sorting table, large-sized garbage can be collected in the first stage, and medium-sized garbage and small-sized garbage can be sorted in the second stage, which enables high efficiency of kitchen waste. Highly accurate collection is also possible.

The casing preferably has a flat structure having a height smaller than the inner diameter. According to the flat structure, the increase in height is suppressed to a small extent even when the layers are arranged in the vertical direction, and even if the flat structure is adopted, the functional deterioration is avoided. This is because the sorting here is a flat and mechanical rotary stirring sorting on the sorting table, and the dust remaining on the sorting table is discharged to the outer peripheral side, so that the casing has a large height. Because you don't need it.

When the casings are stacked in multiple stages in the vertical direction together with the sorting table, the sorting table is rotated in the upper casing of the two adjacent casings, and the stirring member on the sorting table is rotated in the lower casing. As a formula, a structure connected to the rotating shaft via a common support arranged between the two is preferable. By adopting this structure, not only the rotating shaft but also the support is shared between the sorting table and the stirring member, and the structure is further simplified.

The stirring member is usually one or a plurality of stirring blades arranged so as to extend from the inner peripheral side to the outer peripheral side in the casing. The stirring blade preferably has a combination structure of an inner blade that is displaced to the inner peripheral side in the casing and an outer blade that is displaced to the outer peripheral side of the casing. According to this structure, the inner blade mainly performs agitation to promote the discharge from the first discharge port, and the second blade mainly transfers to the outer peripheral side to promote the discharge from the second discharge port. Emissions are promoted.

The stirring member also extends one or a plurality of pressing rollers arranged so as to extend from the inner peripheral side in the casing toward the outer peripheral side, or the pressing rollers and the pressing rollers extending from the inner peripheral side in the casing toward the outer peripheral side. It may be a combination with one or a plurality of stirring blades arranged in a row. The pressing roller not only performs a stirring function by the rotation (revolution movement) accompanying the rotation of the rotating shaft, but also promotes the discharge to the lower side of the sorting table by the rotation movement accompanying the rotation.

The waste sorting apparatus of the present invention has a structure in which a sorting table is arranged at the bottom of a vertical cylindrical casing, a rotating shaft is arranged at the center, and rotational stirring is performed in the casing. It is possible to sort by the size of garbage. In addition, it is easy to stack the casings in multiple stages in the vertical direction together with the sorting table, and the stacking structure makes it possible to efficiently sort various types of garbage with a small device, and prepare kitchen waste. Can also be sorted and collected with high efficiency. Further, in the stacked structure, the stirring member in the lower casing is a pressing roller arranged from the inner peripheral side to the outer peripheral side in the casing and rotating in the circumferential direction, thereby forming the inside of the casing. Discharge to the lower side of the sorting table is promoted, and especially the viscous kitchen waste is crushed and efficiently dropped to the lower side of the sorting table, so that the sorting efficiency can be improved.

It is a longitudinal side view of the bag breaking sorting apparatus which shows one Embodiment of this invention. It is a vertical sectional front view of the bag breaking sorting apparatus. It is a vertical sectional front view of the main part of the bag breaking sorting apparatus. It is a cross-sectional view of the bag breaking sorting apparatus, and is the arrow drawing along line AA in FIG. It is a cross-sectional view of the bag breaking sorting apparatus, and is the arrow BB line drawing in FIG. It is a cross-sectional view of the bag breaking sorting apparatus, and is a diagram shown by arrow CC in FIG. It is a cross-sectional view of the bag breaking sorting apparatus, and is a diagram indicated by a line DD in FIG. It is a cross-sectional view of the bag breaking sorting apparatus, and is the arrow EE diagram in FIG. It is a cross-sectional view of the bag breaking sorting apparatus, and is the FF line arrow drawing in FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The bag-breaking sorting device of the present embodiment is a garbage collecting device used for sorting and collecting organic waste such as food waste from general waste such as household waste, and the disposal unit of the present invention disposes of the present invention. You are using a sorting device.

As shown in FIGS. 1 and 2, this bag breaking sorting device is arranged concentrically with a vertical and cylindrical bag breaking portion 10 having a center line directed in the vertical direction and a lower side of the bag breaking portion 10. A vertical and cylindrical first sorting unit 20, a vertical and cylindrical second sorting unit 30 concentrically arranged below the first sorting unit 20, and a second sorting unit 20. A vertical and cylindrical food waste collection unit 40 arranged concentrically on the lower side, a rotary drive mechanism 50 arranged in the center of the device from the bag breaking unit 10 to the food waste collection unit 40, and a garbage bag A. It is provided with a charging unit 60 combined with the bag-breaking unit 10 for charging the bag, and a circulation duct 70 combined with the bag-breaking unit 10 for improving the function of the bag-breaking unit 10. It has a structure that supports it on the 90.

As shown in FIG. 3, the bag-breaking portion 10 is vertically arranged concentrically with a vertical cylindrical outer casing 11 whose center line is directed in the vertical direction and a predetermined gap inside the outer casing 11. It is provided with a cylindrical inner casing 12.

The outer casing 11 has a lightweight material discharge port 11a that also serves as an exhaust port at the uppermost portion on the front side of the device, and has a structure in which the lower end surface is fully opened as a dust drop discharge port 11b. The inner casing 12 is a cylindrical body arranged from the uppermost portion to the vicinity of the lower portion in the outer casing 11, and has a slot 12a (here, a quadrangle) on the upper end surface as shown in FIG. The inner casing 12 can also be raised and lowered with respect to the outer casing 11 on the outer peripheral side, and the plurality of jacks 13 attached to the upper end surface of the outer casing 11 and the motor 14 for synchronously driving these are placed at a fixed position as shown in the drawing. It is driven up and down and back and forth between the retracted position above it.

Horizontal disk-shaped rotating blades 15 for breaking bags are concentrically arranged near the lower end of the inner casing 12. Horizontal disk-shaped sorting rotary blades 16 are concentrically arranged below the bag-breaking rotary blade 15, more specifically, in the outer casing 11 below the inner casing 12.

As shown in FIG. 5, the bag-breaking rotary blades 15 include a horizontal disk-shaped rotating body 15a attached to the upper end of the rotary drive mechanism 50 and a plurality of rotating blades 15 radially attached to the upper surface of the outer peripheral portion of the rotating body 15a. It is equipped with a bag breaking blade 15b. The horizontal disk-shaped rotating body 15a has an outer diameter near the lower end of the inner casing 12 and smaller than the inner diameter of the inner casing 12, whereby an annular gap 15c is provided between the horizontal disc-shaped rotating body 15a and the lower end of the inner casing 12. Is forming. Each of the bag breaking blades 15b is a vertical plate in the radial direction, and is formed in a triangular fin shape in which the height gradually increases from the center side to the outer peripheral side.

As shown in FIG. 6, the sorting rotary blade 16 has a horizontal disk-shaped rotating body 16a located below the rotating body 15a and attached to the rotating drive mechanism 50, and radially on the upper surface of the rotating body 16a. It is provided with a plurality of attached blower blades 16b. The rotating body 16a has an outer diameter larger than that of the rotating body 15a, and more specifically, has an outer diameter larger than the outer diameter of the inner casing 12 and smaller than the inner diameter of the outer casing 11, whereby the rotating body 16a and the outer casing 11 have an outer diameter. An annular gap is formed between them. Each blower blade 16b is a vertical plate in the radial direction, forms a predetermined gap between the individual blower blade 16b and the rotating blade 15 for breaking the bag on the upper side, and the mounting position can be adjusted in the radial direction. The blower blade 16b is installed at a position displaced from the outer peripheral edge of the rotating body 15a toward the center by the adjustment of.

The rotation drive mechanism 50 rotates concentrically and concentrically with a vertical sleeve-shaped support 51 fixedly installed in the center of the device from the first sorting unit 20 to the lower side of the garbage collecting unit 40. A vertically supported vertical first rotating shaft 52 and a vertically sleeve-shaped second rotating shaft 53 concentrically and rotatably fitted and supported on the outside of the support 51 are provided.

The first rotating shaft 52 is for bag breaking, and is arranged from the inside of the inner casing 12 of the bag breaking section 10 to the lower side of the garbage collecting section 40. The second rotating shaft 53 is for sorting, and is arranged from between the first sorting section 20 and the second sorting section 30 to the lower side of the kitchen waste collecting section 40. Each of the rotating shafts protrudes to the lower side of the garbage collecting portion 40, and each protruding portion is connected to motors 54 and 55 as drivers on both sides arranged at the bottom of the device via a power transmission mechanism. As a result, it is driven to rotate independently.

The horizontal disk-shaped rotating body 15a of the bag-breaking rotating blade 15 is attached to the uppermost portion of the first rotating shaft 52. Further, the rotating body 16a in the sorting rotary blade 16 is located below the rotating body 15a and is attached to the upper part of the first rotating shaft 52.

Cylindrical work retainers 17 projecting from the inner surface toward the center are attached to the inner surface of the inner casing 12 at equal intervals in the circumferential direction, and are located below each work retainer 17 from the inner surface. A fin-shaped work retainer 18 projecting toward the center side is attached. The work retainer 18 is arranged in the lowermost portion of the inner casing 12 and is located on the outer peripheral side of the bag breaking blade 15b.

The first sorting portion 20 arranged below the bag breaking portion 10 includes a flat vertical cylindrical casing 21 having a height lower than the inner diameter, and a centering chute 22 arranged in the uppermost portion of the casing 21. And a horizontal disc-shaped sorting table 23 arranged in the lowermost portion of the casing 21 also serving as a bottom plate.

The casing 21 has an inner diameter slightly larger than the inner diameter of the outer casing 11, and the upper surface thereof is an inlet and the lower surface thereof is a first outlet. A heavy object discharge port 21a as a second discharge port is formed on the side surface of the casing 21, particularly the front portion. The centering chute 22 in the casing 21 is a member that gradually reduces the opening on the lower end side of the outer casing 11 downward, and here, the inverted trapezoidal shape attached to the lower end portion of the upper outer casing 11. It is said to be a cone member of.

The sorting table 23 arranged in the lowermost portion of the casing 21 has a screen structure having a large number of openings, and here, as shown in FIG. 7, is a slit table in which a large number of slits are formed, and a plurality of fans. It is configured by arranging the shaped slit plates 23a in the circumferential direction. The sorting table 23 is rotatably supported by a lower radial support 32, which will be described later. A plurality of slits 23b are formed in parallel on each slit plate 23a. The individual slits 23b are opened toward the outer peripheral side and are inclined with respect to the radius line of the sorting table 23. More specifically, when the center side is viewed from the outer peripheral side, the slits 23b are oriented in the rotation direction of the sorting table 23. It is tilted.

A discharge scraper 24 is fixedly installed inside the heavy object discharge port 21a. The discharge scraper 24 is located inside the heavy load discharge port 21a, particularly downstream in the rotation direction of the sorting table 23, and leaves a part (space 21b) of the discharge port 21a on the downstream side in the rotation direction of the sorting table 23. Is installed. The discharge scraper 24 is made of a vertical plate and is inclined toward the center side in the rotation direction upstream side of the sorting table 23, so that the angle is perpendicular to or near the slit 23b, particularly in the outer peripheral portion of the sorting table 23. Cross at.

The second sorting unit 30 arranged further below the first sorting unit 20 has a flat vertical cylindrical casing 31 whose height is lower than the inner diameter, and a radial casing 31 arranged in the uppermost portion of the casing 31. A support 32, a horizontal disc-shaped sorting table 33 arranged in the lowermost portion of the casing 31, a stirring blades 34a and 34b arranged as stirring members on the sorting table 33, and a pressing roller 35 are provided. There is.

As shown in FIG. 8, the casing 31 has the same inner diameter as the casing 21, and the upper surface is fully open as an input port and the lower surface is a first discharge port. A heavy object discharge port 31a as a second discharge port is formed on the side surface of the casing 21, particularly the front portion. The support 32 has a radial shape in which a plurality of arms 32a extending in the radial direction are combined, and rotates in the circumferential direction by being attached to a sleeve-shaped second rotating shaft 53 arranged at the center of the device. The sorting table 33 is a fixed table fixed in the lowermost portion of the casing 31 and is a perforated table in which a large number of small round holes are formed.

The stirring blades 34a and 34b are radial vertical plates (see FIG. 1), and the pressing roller 35 is also a radial horizontal roller. Both are arranged alternately in the circumferential direction, and are suspended and supported by each arm 32a of the upper radial support 32. Then, since the support 32 is rotationally driven by the second rotating shaft 53, both rotate on the fixed sorting table 33 together with the upper rotary sorting table 23 in the same direction at the same speed. One stirring blade 34a is an inner blade that is displaced to the inner peripheral side, and the other stirring blade 34b is an outer blade that is displaced to the outer peripheral side.

The garbage collection unit 40 arranged further below the second sorting unit 20 includes a vertically cylindrical casing 41 having an inner diameter smaller than that of the upper first sorting unit 20 and the second sorting unit 30 and having a flat shape. A plurality of stirring blades 42 arranged in the casing 41 are provided. The casing 41 has a bottomed tubular shape, and has a kitchen waste discharge port 41a on its side surface, particularly on the back surface portion. As shown in FIG. 9, the plurality of stirring blades 42 are vertical plates displaced in parallel movement in the horizontal direction with respect to the radius line, and are attached to the second rotating shaft 53 on the center side to form the casing 41. It rotates on the bottom plate toward the displacement side together with the upper stirring blades 34a and 34b and the pressing roller 35.

As shown in FIGS. 1 and 2, the loading section 60 combined with the bag breaking section 10 includes a laterally tubular (here, square tubular) transport duct 61 connected to the loading port 12a of the crushing section 10. A pair of transport screws 62, 62 arranged horizontally and in parallel in the transport duct 61, and a drive motor 63 for rotating the transport screws 62, 62 in the biting direction shown in the figure (FIG. 2) are provided. A charging cylinder 64 is connected to the upper surface of one end of the transport duct 61, and the lower surface of the other end communicates with the lower loading port 12a.

The circulation duct 70 to be combined with the bag breaking portion 10 together with the charging portion 60 is an inverted L-shaped air pipe arranged from the front side of the outer casing 11 to the other end of the transport duct 61, and the vertical pipe portion 71 thereof. The lower end communicates with the lightweight material discharge port 11a on the front portion of the device via an air reservoir 73 also formed of a vertical pipe, and the lower end of the air reservoir 73 opens as a lightweight material outlet 74. The tip of the horizontal pipe portion 72 of the circulation duct 70 communicates with the upper surface of the other end of the transport duct 61 via the vertical pipe 75.

The above is the configuration of the bag breaking sorting device of the present embodiment. The operation and function of the bag breaking sorting device are as follows.

During the operation of the bag breaking sorting device, the transport screws 62 and 62 rotate in the biting direction shown in the figure (FIG. 2) at the loading section 60 at the upper part of the device. Further, in the rotation drive mechanism 50 at the center of the device, the solid first rotating shaft 52 arranged inside the fixed sleeve 51 rotates at a high speed at a predetermined rotation speed, and the sleeve arranged outside the fixed sleeve 51. The second rotating shaft 53 of the shape rotates at a low speed at a predetermined rotation speed.

Due to the high-speed rotation of the first rotating shaft 52, the bag-breaking rotary blade 15 and the sorting rotary blade 16 in the bag-breaking portion 10 rotate at a predetermined rotation speed in the same direction at high speed. Further, due to the low speed rotation of the second rotating shaft 53, the sorting table 23 in the first sorting unit 20, the stirring blades 34a and 34b and the pressing roller 35 in the second sorting unit 30, and the stirring blade in the garbage collecting unit 40 42 rotates at a predetermined rotation speed in the same direction at a low speed.

As shown in FIG. 1, when garbage bags A are thrown into one end of the transport duct 61 one after another from the throwing cylinder 64 of the throwing section 60, the garbage bags A enter the transport duct 61 from one end to the other end. It is conveyed to the inner casing 12 through the charging port 12a of the bag breaking portion 10.

Here, the motor 54 for driving the first rotating shaft 52 and the motor 55 for driving the second rotating shaft 53 are arranged at the lowermost part of the device together with the power transmission mechanism, and are connected to the lower end portion of each rotating shaft. , The upper end side of each rotation shaft does not protrude to the upper side of the bag breaking portion 10. Therefore, the rotating shafts 52, 53, the motors 54, 55, and the power transmission mechanism do not interfere with the charging unit 60 at the upper part of the device and do not interfere with the dust bag A charged by the charging unit 10, so that the garbage bag A is smooth. The input operation is guaranteed.

The garbage bag A thrown into the inner casing 12 of the bag-breaking portion 10 falls inside the inner casing 12 and is torn by the bag-breaking blade 15b of the bag-breaking rotary blade 15 that rotates at the lower part. At this time, the rotating body 15a contributes to the bag breaking by retaining the garbage bag A on the blade, applying centrifugal force, and transporting the garbage bag A toward the high-speed rotating bag breaking blade 15b in the peripheral portion.

At the same time, the garbage bag A tends to stay on the lower outer peripheral side of the inner casing 12 due to gravity and centrifugal force, but the cylindrical work retainer 17 attached to the lower inner surface of the inner casing 12, especially the lower portion thereof. A downwardly convex arc surface presses the bag-breaking blade 15b from the upper side to the lower side, and a fin shape located below the cylindrical work retainer 17 and attached to the inner surface of the inner casing 12. By the work retainer 18 of the above, the bag is efficiently broken by being pushed back from the vicinity of the inner surface toward the bag breaking blade 15b on the center side.

The debris taken out from the debris bag A by the bag breaking is inside the lower part of the outer casing 11 together with the bag piece from the annular gap 15c (FIG. 3) formed between the inner casing 12 and the inner rotating body 15a. It falls in sequence. At this time, in the lower part of the outer casing 11, the blower blade 16b of the sorting rotary blade 16 rotates at high speed together with the disk-shaped rotating body 16a to stir dust on the rotating body 16a and the outer casing 11 An upward air flow B, particularly a swirling flow, is formed between the inner casing 12 and the inner casing 12. This air flow B rises while swirling between the outer casing 11 and the inner casing 12, and is discharged from the lightweight material discharge port 11a that also serves as the exhaust port. Of these, the lightweight material C, especially the bag piece generated mainly by the broken bag, is discharged from the lightweight material discharge port 11a to the outside of the outer casing 11.

The lightweight material C discharged from the lightweight material discharge port 11a is separated from the air flow B by decelerating the air flow B in the air reservoir 73, and is discharged downward. The air flow B separated from the lightweight object C passes through the circulation duct 70, further passes through the other end of the transport duct 61, returns to the bag breaking portion 10, and forms a downward air flow B in the inner casing 12. The downward air flow B in the inner casing 12 contributes to the formation of the upward air flow B between the outer casing 11 and the inner casing 12. Further, the exhaust circulation by the circulation duct 70 suppresses the exhaust to the outside of the device and the odor, and the environment is improved. The horizontal disk-shaped rotating bodies 15a and 16a are also broken by preventing the formation of the upward airflow B in the inner casing 12 and contributing to the formation of the downward airflow B here. It contributes to the improvement of bag efficiency and the selection efficiency of lightweight material C.

The mounting positions of the plurality of blower blades 16b can also be adjusted in the radial direction, and the adjustment not only selects the optimum position for forming the air flow B, but also moves the rotating body 16a from the outer peripheral edge to the central side. By being arranged at the displaced position, a space is formed on the rotating body 16a on the outer peripheral side of the blower blade 16b. This space makes it easier for dust to stay and improves the efficiency of sorting dust.

When the dust bag A is clogged in the inner casing 12, the clogging is cleared by raising the inner casing 12 from the fixed position shown in the figure to the upper retracted position.

Thus, in the bag-breaking section 10, the bag-breaking process of the garbage bag A is efficiently performed, and at the same time, the lightweight material C is efficiently sorted and discharged.

The dust that has been taken out from the dust bag A and that has finished sorting the lightweight material C, that is, mainly heavy food, passes through the annular gap formed between the outer casing 11 and the rotating body 16a, and the first sorting unit 20 Inflow inside. At this time, the dust passes through the inside of the centering chute 22. The centering chute 22 gathers dust toward the center and throws it onto the sorting table 23 in the first sorting unit 20. Further, the centering chute 22 prevents the formation of the downward air flow B and contributes to the formation of a stable upward air flow B between the outer casing 11 and the inner casing 12.

The sorting table 23 is a slit table and rotates at a low speed. The dust thrown in the vicinity of the center of the sorting table 23 moves to the outer peripheral side due to the centrifugal force accompanying the rotation. Since the slit 23b formed in the sorting table 23 is basically in the radial direction and has a structure that is open to the outer peripheral side, small dust (metal pieces, metal pieces, etc.) among heavy objects are generated as the slit 23b moves to the outer peripheral side. A piece of wood, a piece of resin, garbage, etc.), that is, a small heavy object D2 is dropped under the sorting table 23. Further, the large dust (wood block, resin block, cloth, paper, etc.) remaining on the sorting table 23, that is, the large heavy object D1, is finally guided by the discharge scraper 24 to the heavy object discharge port. It is discharged from 21a to the outside of the device.

Since the discharge scraper 24 intersects the slit 23b at a right angle or an angle close to the slit 23b at the outer peripheral portion, the small heavy object D2 can be dropped from the slit 23b and the large heavy object D1 can be discharged from the heavy object discharge port 21a. Facilitate. Since the discharge scraper 24 is also arranged on the downstream side in the rotation direction of the sorting table 23 leaving a part (space 21b) of the discharge port 21a, the large heavy object D1 on the sorting table 23 is arranged along the discharge scraper 24. When moving to the outer peripheral side of the sorting table 23, it is difficult to come into contact with the side edge on the downstream side of the discharge port 21a, so that it is easier to fall from the discharge port 21a, and the large heavy object D1 is deposited on the upstream side of the discharge scraper 24. Can be prevented. Further, even when the large heavy object D1 is caught on the outer peripheral portion of the sorting table 23 and is about to accumulate on the upstream side of the discharge scraper 24, the large heavy object D1 is allowed to enter the casing 21 again from the space 21b. As a result, clogging on the upstream side of the discharge scraper 24 is effectively prevented.

The small heavy object D2 that has fallen below the sorting table 23 falls on the sorting table 33 in the second sorting unit 30. In the sorting table 33, the stirring blades 34a and 34b and the pressing roller 35 arranged radially are rotating. The rotation of the stirring blades 34a and 34b causes the small heavy object D2 on the sorting table 33 to be rotationally agitated and moved to the outer peripheral side, and in this process, the small heavy object D2 is crushed by the pressing roller 35. Since E is a viscous substance, it efficiently falls to the lower side of the sorting table 33, and solid substances (metal pieces, wood pieces, resin pieces, etc.) remain on the sorting table 33 and are discharged from the heavy object discharge port 31a to the outside of the device. Will be done. In addition, the stirring blades 34a and 34b have a configuration in which the inner peripheral portion and the outer peripheral portion are combined, and the former mainly contributes to stirring and the latter mainly contributes to discharge, so that the sorting efficiency is improved.

The kitchen waste E that has fallen to the lower side of the sorting table 33 is collected in the food waste collecting unit 40, gradually moves to the outer peripheral side by the rotation of the stirring blade 42, and finally outside the device from the kitchen waste discharge port 41a. It is discharged to and collected.

Thus, the bag-breaking sorting device of the present embodiment efficiently sorts and collects organic waste such as kitchen waste from general waste such as household waste packed in bags.

In the bag-breaking sorting device of the present embodiment, the bag-breaking and sorting are performed independently by different mechanisms (bag-breaking section 10 and sorting sections 20, 30), so that the efficiency of each is high. Since the device is a vertical type, the bag breaking section 10 and the sorting sections 20 and 30 are directly connected, and gravity is used for transporting dust, the processing efficiency is further improved. Since the device is vertical and the rotation drive mechanism 50 is centrally arranged in the center of the device, the device can be miniaturized.

Since the bag-breaking section 10 not only breaks the bag but also sorts the lightweight material C, the burden on the sorting sections 20 and 30 is reduced, and as a result, the sorting efficiency is improved. The efficiency is high because the bag is broken by the high-speed rotation of the bag breaking blade 15b. Since the sorting rotary blade 16 in which the rotary drive mechanism 50 is shared with the bag breaking rotary blade 15 is used for sorting the lightweight object C, the sorting efficiency is high, and the device is downsized and the device structure is combined. Is realized.

In the bag-breaking portion 10, the outer casing 11 and the inner casing 12 are combined, and the inside of the inner casing 12 is the bag-breaking space, and the space between the outer casing 11 and the inner casing 12 is the carry-out space for the lightweight object C. That is, bag breaking and transportation are performed in independent spaces. In addition, a downward air flow B is formed in the bag-breaking space, and an upward air flow B is formed in the carry-out space. From these points as well, the bag breaking efficiency and the sorting efficiency of the lightweight material C are improved.

In addition, in the bag-breaking portion 10, the bag-breaking portion is independently sorted by the bag-breaking rotary blade 15 and the lightweight object B is sorted by the sorting rotary blade 16, so that the efficiency of each is high from this aspect as well. Become. In the bag-breaking rotary blade 15, a rotating body 15a is used to support the bag-breaking blade 15b, and in the sorting rotary blade 16, a rotating body 16a is used to support the blower blade 16b. Since these rotating bodies 15a and 16a have a horizontal disk shape and prevent the formation of an upward air flow B in the inner casing 12, the rotating bodies 15a and 16a also have the outer casing 11 and the inner casing. Contributes to the formation of an upward airflow B with and from 12.

For the formation of the upward air flow B between the outer casing 11 and the inner casing 12, a circulation duct arranged from the lightweight material discharge port 11a which also serves as the exhaust port of the outer casing 11 to the input port 12a of the inner casing 12 As mentioned above, 70 contributes.

On the other hand, in the sorting of heavy objects, the first sorting unit 20 and the second sorting unit 30 perform the processing in two stages, so that the sorting efficiency is particularly high. Nevertheless, the respective casings 21 and 31 have a flat cylindrical shape and are directly connected in the vertical direction, and the rotary support 32 drives the support of the sorting table 23 in the first sorting unit 20 and the second sorting unit. In No. 30, since the stirring blades 34a and 34b and the pressing roller 35 as the stirring members are supported and driven, respectively, the increase in size of the apparatus is effectively suppressed.

In addition, in the first sorting unit 20, since the sorting table 23 is a rotary slit table and the individual slits 23b are open to the outer peripheral side, the sorting efficiency of the large heavy object D1 is high. Moreover, since the individual slits 23b are inclined in the rotation direction of the sorting table 23 with respect to the radius line when the center side is viewed from the outer peripheral side, the discharge scraper 24 becomes the slit 23b in the outer peripheral portion of the sorting table 23. It intersects at a right angle or an angle near it. This also improves the sorting efficiency of the large heavy object D1.

Further, in the second sorting unit 30, a pressing roller 35 is used as a stirring member in addition to the stirring blades 34a and 34b, and dust is pressed while being stirred on the sorting table 33 to produce a small heavy object D2. Garbage E is efficiently sorted. Moreover, the stirring blades 34a and 34b are a combination of the inner blade for the inner peripheral portion and the outer blade for the outer peripheral portion, which also contributes to the improvement of the sorting efficiency.

The bag-breaking sorting device of the present embodiment is a garbage collection device, but vertical tubular sorting sections 20 and 30 are concentrically arranged under the vertical tubular bag-breaking section 10 and their respective rotating shafts. The bag breaking sorting structure in which (the first rotating shaft 52 and the second rotating shaft 53) are coaxially arranged in the center of the device is, for example, a mixture of plastic container and packaging waste, cans, bottles, PET bottles, etc. specified in the Containers and Packaging Recycling Law. It can also be applied as a large / small sorting device for garbage and garbage collected at stations and trains, a heavy and light sorting device, and a sorting device for unsuitable substances and contraindicated substances mixed in.

Further, the configuration of the bag breaking portion 10 in the bag breaking sorting device of the present embodiment, that is, the vertical tubular outer casing 11 and the inner casing 12 are combined, and the bag breaking rotary blade 15 and the sorting rotary blade 16 are attached thereto. A bag-breaking structure that sorts and removes bag-breaking and lightweight material C while using wind power in combination is not suitable for, for example, a heavy-weight sorting device for plastic container-packaging waste and paper container-packaging waste specified in the Containers and Packaging Recycling Law. It can also be applied as a device for removing objects and contraindications.

Similarly, the configuration of the sorting units 20 and 30 in the bag breaking sorting device of the present embodiment, that is, the vertical tubular casings 21 and 31 are arranged in a plurality of stages in the vertical direction together with the sorting tables 23 and 33 having a screen structure that also serves as the bottom plate thereof. The sorting structure, in which the stirring members 34a and 34b on the sorting table 23 and the sorting table 33 are rotary type and are rotationally driven by a common rotating shaft 53, is made of plastic, for example, as defined in the Containers and Packaging Recycling Law. It can also be applied as a large / small sorting device for container / packaging garbage, mixed garbage such as cans / bottles / PET bottles, and garbage collected at stations and trains, and as a sorting device for unsuitable substances and contraindicated substances mixed in.

10 Bag-breaking part 11 Outer casing 11a Lightweight material discharge port 11b Drop discharge port 12 Inner casing 12a Input port 13 Jack 14 Motor 15 Rotating blade for bag-breaking 15a Rotating body 15b Bag-breaking blade 16 Rotating blade for sorting 16a Rotating body 16b Blower 17, 18 Work holder 20 1st sorting part 21 Casing 21a Heavy load discharge port 21b Space 22 Centering chute 23 Sorting table 23a Slit plate 23b Slit 24 Discharge scraper 30 2nd sorting part 31 Casing 31a Heavy load discharge port 32 Support 32 Arm 33 Sorting table 34a, 34b Stirring blade 35 Pressing roller 40 Garbage collection unit 41 Casing 41a Garbage discharge port 42 Stirring blade 50 Rotation drive mechanism 51 Support 52 First rotation axis 53 Second rotation axis 54, 55 Motor (drive) Machine)
60 Input part 61 Conveyance duct 62 Conveyance screw 63 Drive motor 64 Input cylinder 70 Circulation duct 71 Vertical pipe part 72 Horizontal pipe part 73 Air pool 74 Lightweight material outlet 75 Vertical pipe 90 Stand A Garbage bag B Air flow C Lightweight material D1 Large Heavy D2 Small Heavy E Garbage

Claims (4)

A waste sorting device that sorts various types of garbage by type.
A casing with a vertical cylindrical shape, the top surface of which opens as an inlet, the bottom surface of which opens as a first outlet, and a second outlet on the side.
A disc-shaped sorting table having a screen structure and a large number of openings arranged in the casing, which also serves as the bottom plate of the casing.
It includes a sorting table arranged in the center of the casing or a vertical rotation axis for rotating the stirring member arranged on the sorting table in the circumferential direction.
The casings are arranged in a plurality of stages in the vertical direction together with a sorting table having a screen structure that also serves as a bottom plate thereof.
In the lower casing of the two adjacent casings, the stirring member is arranged on the sorting table in the casing so as to extend from the inner peripheral side to the outer peripheral side in the casing. A waste sorting device in which one or a plurality of pressing rollers are arranged to crush the dust with the sorting table in the casing by rotating in the direction. A waste sorting device that sorts various types of garbage by type.
A casing with a vertical cylindrical shape, the top surface of which opens as an inlet, the bottom surface of which opens as a first outlet, and a second outlet on the side.
A sorting table having a screen structure arranged in the casing, which also serves as the bottom plate of the casing,
It includes a sorting table arranged in the center of the casing or a vertical rotation axis for rotating the stirring member arranged on the sorting table in the circumferential direction.
The stirring member is arranged so as to extend from the inner peripheral side in the casing toward the outer peripheral side, and rotates in the circumferential direction to crush the dust with the sorting table in the casing. One or more pressing rollers are arranged,
Further, the stirring member is a waste sorting device which is a combination of the one or a plurality of pressing rollers and one or a plurality of stirring blades arranged so as to extend from the inner peripheral side to the outer peripheral side in the casing. .. A waste sorting device that sorts various types of garbage by type.
A casing with a vertical cylindrical shape, the top surface of which opens as an inlet, the bottom surface of which opens as a first outlet, and a second outlet on the side.
A sorting table having a screen structure arranged in the casing, which also serves as the bottom plate of the casing,
It includes a sorting table arranged in the center of the casing or a vertical rotation axis for rotating the stirring member arranged on the sorting table in the circumferential direction.
The casings are arranged in a plurality of stages in the vertical direction together with a sorting table having a screen structure that also serves as a bottom plate thereof.
In the multi-stage casing, the rotation axis at the center is shared by each stage, and the sorting table is a rotary type that rotates in the circumferential direction in the upper casing, and the rotary sorting table in the upper casing and the lower part. side of the casing rotating waste sorting device stirring member is connected to the rotary shaft via a common support. In the waste sorting device according to claim 1, wherein the stirring member includes a stirring blade from the inner circumferential side disposed to extend in a direction facing the outer peripheral side of the casing, and the stirring The blade is a waste sorting device consisting of a combination of an inner blade that is displaced to the inner peripheral side in the casing and an outer blade that is displaced to the outer peripheral side of the casing.

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