JP2004043040A - Waste storage system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waste storage system capable of easily storing a waste such as a resource waste etc. without requiring manual work under a poor working circumstance and sequentially deliver the stored waste. <P>SOLUTION: The waste W collected by a collection car C is directly input to a storage tank 1 and stored in it. Thereafter, the stored waste W is quantitatively discharged onto a carrier conveyor 5 from a discharge gate G between a transfer conveyor 3 and a discharge conveyor 4 by their normal rotating drive as required. At this time, a bag filling up each of the waste W is easily broken by the transfer conveyor 3 and the discharge conveyor 4 constituted of conveyors with blades. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a waste storage system, and more particularly, to a waste storage system capable of storing collected waste and sequentially discharging the collected waste.
[0002]
[Prior art]
In general, bottles, cans, plastics, and the like, which are non-burnable resource garbage, are separated and discarded for recycling, and collected by a collection vehicle or the like in a separated state. The collected resource waste is transported by a collection vehicle to a processing facility such as a recycling plant, and is usually stored in a yard system. That is, the transported resource garbage is loaded and unloaded from the collection vehicle to the storage yard, and accumulated and stored in the storage yard by a heavy equipment such as a shovel loader. The recyclable garbage stored in the storage yard is sequentially fed into a receiving hopper by a required amount by a heavy machine such as the shovel loader, and is conveyed to a recycling plant by a conveyer or the like.
[0003]
[Problems to be solved by the invention]
Incidentally, the angle of repose of the resource refuse deposited in the storage yard described above is, for example, about 45 degrees in the case of plastic resource refuse. For this reason, in the conventional yard method, a large space is required in the storage yard for depositing and storing the resource waste, and there is a problem that the storage efficiency of the resource waste is low. In addition, it is necessary to operate heavy equipment such as a shovel loader in a poor odor environment such as a storage yard where resource garbage is stored, which is not only labor intensive but also has a poor working environment. In addition, it is necessary to pay close attention to safety measures to avoid accidents such as collisions between collection vehicles working near the storage yard and heavy equipment such as shovel loaders.
[0004]
Therefore, the present invention provides a waste storage system capable of easily storing waste such as recyclable garbage without the need for manual work due to a poor working environment, and for sequentially discharging the stored waste as needed. The task is to provide.
[0005]
[Means for Solving the Problems]
As a means for solving the above-mentioned problems, a waste storage system according to the present invention is a waste storage system in which a waste discharge device is provided in a storage tank into which waste is charged, wherein the discharge device Is characterized by comprising a transfer conveyor forming the floor of a storage tank and a gate device forming a waste discharge gate between the transfer conveyor.
[0006]
In the waste storage system according to the present invention, for example, waste such as recyclable garbage collected in a collection vehicle is directly charged into a storage tank and stored. Then, the stored waste is discharged to the gate device side along the floor of the storage tank along with the operation of the transfer conveyor of the unloading device as necessary, and is sequentially and quantitatively discharged from the discharge gate.
[0007]
In the waste storage system of the present invention, if the gate device is configured as a swing type or a slide type that can increase or decrease the opening width of the discharge gate, the amount of discharged waste can be increased or decreased, and the amount of discharged waste can be adjusted. Is preferably stopped.
[0008]
The gate device can be constituted by a discharge conveyor arranged to face the end of the transfer conveyor in the transport direction. In this case, it is preferable because the waste can be smoothly and reliably discharged by the normal operation of the discharge conveyor, the discharge of the waste can be stopped by the reverse operation of the discharge conveyor, and the switching can be performed only by the forward and reverse operation control of the discharge conveyor. .
[0009]
Here, if at least one of the transfer conveyor and the discharge conveyor is constituted by a bladed conveyor, when discharging the waste from the discharge gate accompanying the operation, the bag packed with the waste is easily broken. It is preferred. In addition, it is preferable that at least one of the transfer conveyor and the discharge conveyor be configured to have a variable operating speed because the amount of discharged waste can be slightly increased or decreased. Further, it is preferable that the pressing device for the waste put into the storage tank is provided at the inlet of the storage tank, because the amount of waste stored in the storage tank can be increased.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of a waste storage system according to the present invention will be described with reference to the drawings. In the drawings to be referred to, FIG. 1 is a sectional view showing a schematic structure of a waste storage system according to one embodiment.
[0011]
The waste storage system according to one embodiment is used, for example, as a facility for temporarily storing plastic waste separated and collected as non-burnable resource waste in a recycling plant or the like. As shown in FIG. 1, the waste storage system includes a storage tank 1 into which plastic waste W packed in a bag, for example, is directly charged from a collection vehicle C such as a packer truck.
[0012]
The storage tank 1 is configured above the ground GL as shown in the figure, and is partitioned by partition walls 1B and 1C so as to be continuous with the input port 1A opening upward. Further, a pressing device 2 for pressing the input waste W into the storage tank 1 is provided at the input port 1A of the storage tank 1. Further, in the storage tank 1, a transfer conveyor 3 and a discharge conveyor 4 are provided as a device for discharging the waste W.
[0013]
The pressing device 2 includes a pressing member 2A rotatably supported around a horizontal axis along an edge of the input port 1A, and a hydraulic cylinder 2B for rotating the pressing member 2A. The pressing member 2A is rotated into the input port 1A by the extension operation to push the waste W, and the pressing member 2A is retracted from the input port 1A by the contraction operation of the hydraulic cylinder 2B.
[0014]
The transfer conveyor 3 is disposed along the entire surface of the floor of the storage tank 1, and has a start end in the transport direction facing the lower side of the inlet 1 </ b> A of the storage tank 1. The operation speed of the transfer conveyor 3 is variable so that the transfer amount of the waste W per unit time can be increased or decreased.
[0015]
The discharge conveyor 4 is disposed in an upright state above the terminal end of the transfer conveyor 3 in the transport direction. The discharge conveyor 4 is provided between its lower end and the terminal end of the transfer conveyor 3 so as to function as a gate device for quantitatively discharging the waste W transferred by the transfer conveyor 3 onto the lower transfer conveyor 5. , A discharge gate G for the waste W is formed. The discharge conveyor 4 is disposed in an inclined state such that the upper end thereof faces the inside of the storage tank 1 so that the waste W conveyed by the transfer conveyor 3 can be smoothly sent toward the discharge gate G. .
[0016]
The discharge conveyor 4 is configured to be swingable about its upper end as a fulcrum so that the opening width of the discharge gate G can be increased or decreased and adjusted. The angle is adjusted in the range of about 50 to 70 degrees. The operation direction of the discharge conveyor 4 can be switched between a normal operation in which the waste W is sent to the discharge gate G and discharged, and a reverse operation in which the discharge of the waste W is stopped.
[0017]
The transfer conveyor 3 and the discharge conveyor 4 may each be constituted by a single wide conveyor, or may be constituted by arranging a plurality of conveyors having a predetermined width in the width direction. The transfer conveyor 3 and the discharge conveyor 4 are constituted by a chain conveyor with a blade so as to break the bag when the plastic waste W packed in the bag is discharged from the discharge gate G.
[0018]
Here, the operation and operation of the pressing device 2, the transfer conveyor 3, the discharge conveyor 4, the transport conveyor 5, and the like are individually performed by an operator while monitoring the storage state of the waste W in the storage tank 1 with a monitoring camera or the like. Although control may be performed, in one embodiment, automatic control is performed based on a detection signal of a level sensor that detects a storage state of the waste W in the storage tank 1 or a request signal from the recycling plant.
[0019]
For example, based on a detection signal of a level sensor (not shown) installed near the inlet 1A of the storage tank 1, the pressing device 2 causes the hydraulic cylinder 2B to extend when the waste W is clogged near the inlet 1A. The pressing member 2 </ b> A is controlled to push the waste W into the storage tank 1. The transfer conveyor 3 is operated when no waste W is present on the start end of the transfer conveyor 3 in the transport direction based on a detection signal of a level sensor (not shown) provided below the inlet 1A of the storage tank 1. Is stopped, and the normal operation is performed when the waste W is charged on the starting end.
[0020]
Here, the discharge conveyor 4 is normally operated in reverse on the basis of a storage request signal from the recycling plant for storing the waste W in the storage tank 1, and is operated from the recycling plant for discharging the waste W in the storage tank 1. Is driven forward based on the discharge request signal of. The discharge conveyor 4 is operated when there is no waste W on the terminal end in the transport direction of the transfer conveyor 3 based on a detection signal of a not-shown level sensor installed near the discharge conveyor 4 of the storage tank 1. Is stopped. The discharge conveyor 4 may be configured to swing and close the discharge gate G based on a storage request signal from the recycling plant, and to stop the operation.
[0021]
On the other hand, the transport conveyor 5 that transports the waste W discharged from the discharge gate G of the storage tank 1 to the recycling plant side is stopped based on a storage request signal from the recycling plant side, and the discharge from the recycling plant side is stopped. The normal operation is performed based on the request signal.
[0022]
In the waste storage system according to the embodiment configured as described above, a large number of bagged plastic wastes W collected in the collection vehicle C such as a packer vehicle are supplied from the collection vehicle C to the inlet 1A of the storage tank 1. Directly into the storage tank 1 via As described above, in the waste storage system of one embodiment, the work of depositing a large number of waste W in the storage yard as in the related art is unnecessary, and the manual work in a poor working environment with an odor is unnecessary. .
[0023]
Here, when the waste material W charged in the storage tank 1 accumulates on the starting end of the transporting conveyor 3 in the transport direction, the transporting conveyor 3 operates in the normal rotation based on a detection signal of a level sensor (not shown) for detecting the waste. Is done. At that time, the discharge conveyor 4 is operated in reverse based on a storage request signal from the recycling plant. As a result, the waste W charged into the storage tank 1 is sequentially stored in the storage tank 1 while being transported to the terminal end of the transfer conveyor 3 in the transport direction.
[0024]
When the waste W is clogged up to the vicinity of the inlet 1A of the storage tank 1, the hydraulic cylinder 2B of the pressing device 2 is extended based on the detection signal of a level sensor (not shown) for detecting the waste, and the pressing member 2A W is pushed into the storage tank 1. As a result, the storage amount of the waste W stored in the storage tank 1 increases.
[0025]
Here, when a discharge request signal for discharging the waste W stored in the storage tank 1 is output from the recycling plant side, the discharge conveyor 4 and the transport conveyor 5 are cooperated with the forward rotation of the transfer conveyor 3. Is driven forward. As a result, a large number of bagged wastes W stored in the storage tank 1 are sequentially sent to the discharge gate G between the end of the transfer conveyor 3 and the lower end of the discharge conveyor 4, and the discharge gate G Is quantitatively discharged onto the conveyor 5 through the At this time, since the transfer conveyor 3 and the discharge conveyor 4 are constituted by bladed conveyors, the bags filled with the respective wastes W are easily broken. Then, the plastic waste flowing out of the broken bag is carried out to the recycling plant (not shown) by the conveyor 5.
[0026]
That is, according to the waste storage system of one embodiment, the bagged plastic waste W collected by the collection vehicle C can be directly charged into the storage tank 1 and stored. At this time, the operation of the pressing device 2 can push the waste W into the storage tank 1 and increase the storage amount. In addition, by rotating the transfer conveyor 3 and the discharge conveyor 4 forward as needed, a large number of wastes W stored in the storage tank 1 can be discharged from the discharge gate G between the transfer conveyor 3 and the discharge conveyor 4. It can be discharged quantitatively and reliably to the recycling plant. At this time, since the transfer conveyor 3 and the discharge conveyor 4 are formed of a conveyor with blades, the bag packed with the waste W can be easily broken.
[0027]
In addition, since the discharge conveyor 4 is configured in a swing type in which the opening width of the discharge gate G between the discharge conveyor 4 and the transfer conveyor 3 can be increased or decreased, the discharge amount of the waste W to the recycling plant can be increased or decreased. By closing G, the discharge of the waste W can be stopped. Furthermore, since the operation speed of the transfer conveyor 3 is configured to be variable, the discharge amount of the waste W to the recycling plant can be slightly increased or decreased.
[0028]
FIG. 2 shows another embodiment of the waste storage system of the present invention. In this waste storage system, a concrete storage tank 11 is formed integrally with a building 12. In the storage tank 11, a transfer conveyor 13, a discharge conveyor 14, and a transfer conveyor 15 similar to the transfer conveyor 3, the discharge conveyor 4, and the transfer conveyor 5 shown in FIG.
[0029]
Here, the building 12 is provided with a roll-up type opening / closing shutter 12 </ b> A that opens and closes the inlet of the storage tank 11 along the longitudinal direction of the transfer conveyor 13. In addition, in the storage tank 11, a partition wall 11A protruding toward the start end of the transfer conveyor 13 in the transfer direction, and a terminal end in the transfer direction in order to regulate the position of the large number of wastes W put on the transfer conveyor 13. A partition wall 11B protruding in the vicinity of the discharge conveyor 14 on the unit side is provided.
[0030]
In the waste storage system of the other embodiment shown in FIG. 2, the same operation and effect as those of the waste storage system of the embodiment shown in FIG. 1 can be obtained. Here, since the input port of the storage tank 11 opened and closed by the opening and closing shutter 12A is provided along the longitudinal direction of the transfer conveyor 13, the collection vehicle C such as a packer truck shown in FIG. Not only at the start end in the transport direction, but also at the center and end thereof, the waste W can be introduced, and the waste W can be stored more uniformly in the storage tank 11.
[0031]
The waste storage system of the present invention is not limited to the embodiment shown in FIGS. For example, in the embodiment, the operating speed of the transfer conveyors 3, 13 is configured to be variable so that the transport amount of the waste W per unit time can be increased or decreased, but the operating speed of the discharge conveyors 4, 14 is configured to be variable. Alternatively, the operating speed of both the transfer conveyors 3, 13 and the discharge conveyors 4, 14 may be configured to be variable. Further, the discharge conveyors 4 and 14 can be changed to swing type or slide type gate plates which can increase and decrease the opening width of the discharge gate G. Furthermore, if at least one of the transfer conveyor 3 and the discharge conveyor 4 is formed of a conveyor with a blade, the bag can be effectively broken.
[0032]
As the waste W stored in the storage tanks 1 and 11, bagged plastic is particularly effective. However, non-bagged waste and other materials such as bottles and cans other than plastic are also effective. Any type of waste is acceptable.
[0033]
【The invention's effect】
As described above, in the waste storage system according to the present invention, for example, waste such as recyclable garbage collected in a collection vehicle is directly charged into a storage tank and stored. Then, the stored waste is discharged to the gate device side along the floor of the storage tank along with the operation of the transfer conveyor of the unloading device as necessary, and is sequentially and quantitatively discharged from the discharge gate. Therefore, waste such as resource garbage can be easily stored, and the stored waste can be sequentially discharged as needed. In addition, since it is unnecessary to deposit waste such as recyclable garbage in a storage yard using a heavy machine such as a shovel loader as in the related art, and sequentially introduce the waste into a receiving hopper as needed, the odor is deteriorated. It can eliminate manual labor due to a difficult working environment.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view illustrating a schematic configuration of a waste storage system according to an embodiment of the present invention.
FIG. 2 is a sectional view showing a schematic configuration of a waste storage system according to another embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Storage tank, 2 ... Pressing device, 2A ... Pressing member, 2B ... Hydraulic cylinder, 3 ... Transfer conveyor, 4 ... Discharge conveyor, 5 ... Transport conveyor, 11 ... Storage tank, 11A ... Partition wall, 11B ... Partition wall, 12: building, 12A: opening / closing shutter, 13: transfer conveyor, 14: discharge conveyor, 15: transfer conveyor, G: discharge gate, C: collection vehicle, W: waste.

Claims (6)

A waste storage system in which a waste discharge device is provided in a storage tank into which waste is charged, wherein the discharge device includes a transfer conveyor forming a floor surface of the storage tank, and a waste disposal device disposed between the transfer conveyor and the transfer conveyor. And a gate device for forming a discharge gate for the waste. The waste storage system according to claim 1, wherein the gate device is configured to be able to increase or decrease an opening width of a discharge gate. The waste storage system according to claim 1, wherein the gate device is configured by a discharge conveyor disposed to face an end of the transfer conveyor in a transport direction. 4. The waste storage system according to claim 3, wherein at least one of the transfer conveyor and the discharge conveyor is configured by a bladed conveyor. 5. The waste storage system according to any one of claims 1 to 4, wherein an operation speed of at least one of the transfer conveyor and the discharge conveyor is configured to be variable. The waste storage system according to any one of claims 1 to 5, wherein a pressing device for the waste put into the storage tank is attached to an inlet of the storage tank.

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