JPH0768244A - Solid waste feed device of solid waste classifying treatment apparatus - Google Patents

Abstract

PURPOSE:To smoothly perform the classifying treatment of a solid waste group in large quantities by providing the second belt conveyor connected to the downstream side end part of a first conveyor at one end thereof and capable of feeding the solid waste group at a speed higher than that of the first conveyor. CONSTITUTION:A second conveyor part 4 is arranged horizontally in parallel to a first conveyor part 3 so that the upstream side end part thereof is overlapped with the downstream side end part of the first conveyor part 3 and equipped with belt conveyors 16, 17, 18 having rubber annular belts and the 't conveyors 16, 17, 18 are respectively arranged on the extension lines of the belt conveyors 11, 12, 13 of the first conveyor part 3 on a plan view and the feed speed of the belt conveyors 16, 17, 18 is set so as to be higher than that of the belt conveyors 11, 12, 13 and the layers of the solid waste groups on the belt conveyors 16, 17, 18 become thinner than those of the solid waste groups on the belt conveyors 11, 12, 13 and the solid waste groups are developed on the belt conveyors 16, 17, 18 of the second conveyor part 4 in thickness easy to perform manual classification.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid waste carrier, and more particularly to a solid waste carrier for a solid waste sorting system.

[0002]

2. Description of the Related Art Solid wastes including construction wastes are separated for the purpose of reusing materials from the viewpoint of environmental protection. These separation treatments are carried out in a waste treatment plant having a solid waste separation system. The solid waste sorting system is provided with a solid waste transport device including a belt conveyor for transporting the solid waste group. The separation process is performed, for example, by manual selection on the solid waste group conveyed by the belt conveyor.

[0003]

In the above-mentioned conventional solid waste carrier, if the solid wastes are thickly piled up on the belt conveyor, it becomes difficult to separate them. On the other hand, if the loading amount of the solid waste is reduced in order to smoothly carry out the separation treatment, the waste treatment amount decreases. The purpose of the present invention is to
The purpose is to enable large-scale and smooth separation of solid waste.

[0004]

A solid waste transport apparatus according to the present invention is an apparatus in a solid waste sorting system for sorting a solid waste group. This apparatus includes a first belt conveyor that can convey a solid waste group at a first speed, and a solid waste group at a second speed that is arranged at one end at the downstream end of the first belt conveyor and that is higher than the first speed. And a second belt conveyor capable of transporting.

[0005]

In the solid waste carrier according to the present invention, first,
The first belt conveyor conveys the solid waste group at the first speed. Next, the solid waste group falls from the downstream end of the first belt conveyor onto the second belt conveyor,
It is conveyed at a second speed by a belt conveyor. At this time, since the transport speed of the second belt conveyor is higher than that of the first belt conveyor, the layer thickness of the solid waste group on the second belt conveyor is thinner than that of the first belt conveyor.

As a result, even if a large amount of solid waste is put on the first belt conveyor, it can be spread on the second belt conveyor to a thickness suitable for separation. Therefore, it becomes possible to smoothly separate a large amount of solid wastes.

[0007]

1 and 2, a construction waste treatment plant 1 to which an embodiment of the present invention is applied is a storage unit 2 for storing a solid waste group composed of construction waste materials, and a storage unit. The first conveyor part 3 for receiving the solid waste group input from 2, and the second conveyor part 3 connected to the first conveyor part 3.
The conveyor section 4, the magnetic separator 5 arranged above the downstream end of the second conveyor section 4, the third conveyor section 6 including a conveyor group orthogonal to the second conveyor section 4, and the third conveyor section 6 Pit part 7 for processing the sorted waste transported
A sieving part 8 connected to the downstream end of the second conveyor part 4, a fourth conveyor part 9 connected to the downstream end of the sieving part 8, and a downstream end of the fourth conveyor part 9. And a wind power sorter 10 connected to the.

The storage unit 2 is composed of a substantially flat ground, and can store a solid waste group unloading from a transportation vehicle such as a dump truck in a mountain shape. In addition, in the storage unit 2, a solid waste group is pushed out in the arrow direction (the input direction) using a bulldozer or the like. The first belt conveyor unit 3 is arranged adjacent to the storage unit 2, and its transport direction (rightward in the figure) is orthogonal to the loading direction of the storage unit 2. This first
The conveyor unit 3 is composed of three belt conveyors 11, 12, 13 each having an annular belt made of rubber. The belt conveyors 11, 12 and 13 are arranged parallel to each other and horizontally, and as shown in FIG. 3, the groove 1 formed on the ground.
4 are respectively arranged at the bottoms.

In each of the belt conveyors 11, 12, and 13, a guide plate for guiding the solid waste group introduced from the storage section 2 to the side of the belt conveyor 11, 12, and 13 from the storage section 2 is introduced. Is attached. The guide plate 15 extends upward along the side wall surface of the groove 14 and further extends higher than the reservoir 2. Belt conveyor 11, 12, 13
The amount of expansion increases as it goes forward in the charging direction of the storage part 2. That is, the belt conveyor 12
The upstream end of the above is arranged between the upstream end of the belt conveyor 11 and the second conveyor unit 4. Further, the upstream end of the belt conveyor 13 is arranged between the upstream end of the belt conveyor 12 and the second conveyor unit 4.
Further, as is clear from FIG. 1, each guide plate 15 is provided on the belt conveyors 11, 12, 13 at the portion exposed in the loading direction with respect to the reservoir 2.

With this configuration, the solid waste group fed from the storage section 2 is transferred to the three belt conveyors 11, 12, and 13.
Since a large amount can be received from the side, the transport efficiency of the solid waste group to the second conveyor unit 4 can be improved. The second conveyor section 4 is arranged such that the upstream end thereof overlaps the downstream end of the first conveyor section 3 below. The second conveyor section 4 has belt conveyors 16, 17 and 18 arranged in parallel and horizontally. The belt conveyors 16, 17 and 18 each have an annular belt made of rubber, and are formed on the extension lines of the belt conveyors 11, 12 and 13 when seen in a plan view.

The conveying speed of the belt conveyors 16, 17 and 18 is set higher than the conveying speed of the belt conveyors 11, 12 and 13. For example, belt conveyor 11,1
Transport speed of 2, 13 is 2.5m / min, belt conveyor 1
The conveying speed of 6, 17, and 18 is set to 8.0 m / min. It is desirable that the conveying speed of the belt conveyors 16, 17, and 18 is at least twice the conveying speed of the belt conveyors 11, 12, and 13. The speed value and the speed ratio can be set / changed by a controller (not shown).

Here, the belt conveyors 11, 12, 1
Belt conveyor 1 more than the transport amount per unit time of 3
Since the transport amount of 6, 17, 18 per unit time is large, the layer of the solid waste group on the belt conveyors 16, 17, 18 is more than the layer of the solid waste group on the belt conveyors 11, 12, 13 Become thin. Therefore, the solid waste group conveyed by the first conveyor unit 3 is transferred to the second conveyor unit 4
On each of the belt conveyors 16, 17 and 18, it is possible to develop the thickness to facilitate manual selection.

Scaffolds 19 are formed on the sides of the belt conveyors 16, 17 and 18. The worker stands on the scaffold 19 and performs a hand selection work. As shown in FIG. 4, the magnetic separator 5 includes a pair of rollers 21 and 21 and the rollers 21 and 21.
And a plurality of magnets 23 arranged between the rollers 21 and above the lower running surface of the thin film belt 22. The magnetic separator 5 is arranged at a distance of about 50 cm on the downstream end of each belt conveyor 16, 17, 18. The belt 22 is arranged so as to be orthogonal to the belt conveyors 16, 17 and 18, and the downstream side end portion of each of the belt conveyors 16 and 1.
It projects more laterally than 7,18. Also, the belt 22
The magnet 23 is not arranged at a position corresponding to the protruding portion of the.

The third conveyor section 6 is located below the second conveyor section 4 and is arranged in a direction orthogonal to the second conveyor section 4. The third conveyor section 6 is arranged so that the upstream side portion thereof overlaps the second conveyor section 4 below. The third conveyor section 6 has belt conveyors 24 to 29 arranged in parallel and horizontally.
The belt conveyors 24-29 have rubber annular belts. The downstream ends of the belt conveyors 24 to 29 are
It is arranged in the corresponding pit of the pit portion 7.

Of the belt conveyors 24 to 29, the belt conveyor 24 is for conveying waste plastic. The belt conveyor 25 is for carrying a relatively large residual material. The belt conveyor 26 is for carrying scrap. Belt conveyor 2
Reference numeral 7 is for carrying cardboards. The belt conveyor 28 is for carrying a relatively large combustible material. The belt conveyor 29 is for conveying the metals selected by the magnetic separator 5.

The pit portion 7 is composed of a plurality of processing pits 31 to 36 divided on three sides by partition walls. The pit 31 has a downstream end of the belt conveyor 24, the pit 32 has a downstream end of the belt conveyor 25, the pit 33 has a downstream end of the belt conveyor 26, and the pit 34 has a downstream end of the belt conveyor 27. , The downstream end of the belt conveyor 28 is arranged in the pit 35, and the downstream end of 29 is arranged in the pit 36. A crusher 31a for crushing waste plastic is arranged in the pit 31, and a compressor 34a for compressing corrugated cardboard is arranged in the pit 34.

The sieving section 8 comprises a vibrating sieving machine 37 and a belt conveyor 38 for guiding the under sieving of the vibrating sieving machine 37 to the pit section 7. The fourth conveyor unit 9 is located below the vibrating screener 37 and is arranged on an extension of the second conveyor unit 4 when seen in a plan view. The fourth conveyor section 9 is arranged such that the upstream side portion thereof overlaps the vibrating screener 37 below, and guides the screen of the vibrating screener 37 to the wind separator 10. The fourth conveyor section 9 has belt conveyors 40, 41, 42 arranged in parallel and horizontally. The belt conveyors 40, 41, 42 have rubber annular belts, and their downstream end portions are arranged on the wind power sorter 10.

As shown in FIG. 5, the wind power sorter 10 is capable of blowing air into the tapered inlet opening 50 arranged at the upper end, a duct 51 extending downward from the inlet opening 50, and the inside of the duct 51. And a pair of blowers 53. The duct 51 is a bulkhead passing through the partition 51a.
And a lightweight object passage duct 51b, and the partition wall has a blower port 5 at a position facing the discharge port of the blower 53.
4a and 54b are provided. The blower 53 is configured to discharge air toward the air blowing ports 54a and 54b in a substantially horizontal direction. Further, the heavy object passage duct 51a is provided with a step portion 52 for reducing the falling speed of the solid waste and for promoting the separation of the solid waste. The lower ends of the heavy material passage duct 51a and the light material passage duct 51b have an incombustible material discharge port 56 for discharging wind-screened incombustible material and a combustible material discharge port 55 for discharging combustible material.
Has become.

Next, a solid waste treatment operation in the construction waste treatment plant 1 will be described. First, a solid waste group is placed on the storage unit 2 by a dump truck or the like. The placed solid waste group is put into the first conveyor unit 3 by a bulldozer or the like. At this time, since the guide plates 15 are attached to the upstream end portions of the belt conveyors 11, 12, and 13 at the side portions away from the reservoir portion 2, they are excessively pushed into the groove 14. Overflow of solid waste groups is prevented.

Each belt conveyor 1 of the first conveyor section 3
The solid waste group placed on Nos. 2 and 13 is, for example, 2.5.
It is conveyed to the second conveyor unit 4 at a conveying speed of m / min. Then, the solid waste group is composed of the belt conveyors 11, 12, 1
3 to each belt conveyor 16, 1 of the second conveyor section 4
It falls on 7,18. There, the conveying speed of each belt conveyor 16, 17, 18 of the second belt conveyor section 4 is set to, for example, 8.0 m / min, and the solid waste group is piled up thickly on the first conveyor section 3. Even in the state, the belt conveyors 16, 17, and 18 are developed to have a thickness suitable for manual selection. As a result, the worker on the scaffolding 19 can easily perform a large amount of sorting work.

The solid waste group extracted in the sorting operation is
Each type is dropped onto each of the belt conveyors 24 to 29 arranged below and accommodated in each of the pits 31 to 36 of the pit 7. Here, since the second conveyor section 4 intersects with the third conveyor section 6, the sorting work can be easily performed.
At the downstream end of the second conveyor unit 4, the magnetic separator 5 arranged above removes the metal pieces from the solid waste.
Here, the metal piece is attached to the lower surface of the thin film belt 22 by the magnet 23 and drops above the belt conveyor 29.
The metal pieces dropped on the belt conveyor 29 are stored in the pit 36.

Further, the solid waste passes through the sieving section 8. There, the solid waste is passed through a vibrating sieving machine 37, and a sieve below 10 mm falls on the belt of a belt conveyor 38. The waste on the sieving machine 37 (on the sieving machine) is put into the wind force sorter 10 via the fourth conveyor section 9.
The glass introduced from the inlet 50 of FIG.
To collide with the upper step portion 52a. At this time, combustible materials such as plastics, papers, and wood chips mixed in the glass are decelerated and separated to some extent. Further, the glass is guided by the duct 51a and passes in front of the blowout port of the blower 53. At this time, the combustibles that are easily affected by the wind force in the glass are blown away by the wind pressure, and the blower port 54
The duct 51b is separated from a. Further, the glass is again subjected to the same sort by the step portion 52b and the blower 53b. Thus, the sorted solid wastes are collected from the combustibles outlet 55 and the incombustibles outlet 56, respectively.

[0023]

In the solid waste transporting apparatus according to the present invention, the second belt conveyor transports the solid waste group at a higher speed than the first belt conveyor, so that the solid waste group is transferred to the first belt conveyor in a large amount. Even if it is thrown in, it can be developed into a thickness suitable for classification on the second belt conveyor. Therefore, it becomes possible to smoothly separate a large amount of solid wastes.

[Brief description of drawings]

FIG. 1 is a plan view of a construction waste treatment plant in which an embodiment of the present invention is adopted.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a schematic configuration diagram of a magnetic separator.

FIG. 5 is a schematic vertical cross-sectional configuration diagram of a wind power sorting device.

[Explanation of symbols]

 3 1st conveyor part 4 2nd conveyor part 11, 12, 13 Belt conveyor (1st conveyor part) 16, 17, 18 Belt conveyor (2nd conveyor part)

Claims (1)

[Claims] 1. A solid waste transporting device in a solid waste sorting system for sorting a solid waste group, the first belt conveyor capable of transporting the solid waste group at a first speed, A second belt conveyor, one end of which is connected to a downstream end of the first conveyor and which is capable of transporting the solid waste group at a second speed higher than the first speed; Solid waste carrier.