JP3249415B2 - Wind separator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention mainly relates to a container other than empty cans and empty bottles, in addition to empty cans and empty bottles collected in municipalities and the like, in addition to collection bags and garbage bags. Sort out
Alternatively, crushed mixed garbage obtained by crushing mixed garbage composed of plastic bottles, FRP or other heavy-weight synthetic resin, vinyl, styrofoam, garbage storage bags, or other mixed waste synthetic resin such as light-weight synthetic resin into a predetermined size. For sorting wind into heavy and light objects.

[0002]

2. Description of the Related Art As a conventional refuse sorting apparatus of this kind,
2. Description of the Related Art A wind separation device using wind power and a centrifugal separation device using centrifugal force are known. That is, in the former conventional wind separation device, only small dusts and collection bags are blown off by wind power by utilizing the difference in specific gravity between empty cans, empty bottles and the like and other objects such as collection bags. In the latter centrifugal separator, the crushed mixed waste mixed with water is separated and sorted by a centrifugal separator utilizing a difference in specific gravity.

[0003]

However, the conventional apparatus has the following problems. That is,
In many cases, soil or water is mixed in the collection bag. In such a case, since the weight of the collection bag becomes larger than the volume specific gravity of the aluminum can or the like, it cannot be sorted out by the method of blowing off by wind power. Also, in the conventional centrifugal separator,
Since water is required, a separate water treatment device for treating water discharged from the device is required, which requires a large investment in equipment costs and costs.

Therefore, the present invention solves such a problem, and by using suction power, it is possible to automatically and reliably sort items other than empty cans and empty bottles. It is an object of the present invention to provide a wind power sorting device capable of sorting heavy and light materials at low cost.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a drop chute for dropping mixed garbage in which solid garbage such as empty cans and empty bottles and plastic garbage such as storage bags are mixed. A sorting hole is formed, and the sorting hole is communicated with a branch chute having a lower end opening at a position different from the lower end opening of the drop chute, and plastic trash such as a storage bag is formed on the surface of the mesh conveyor belt by suction of air. The suction chute, which is conveyed from the drop chute to the upper end of the branch chute in a sucked state, is provided at the upper end of the branch chute so that a part thereof projects through the upper side of the selection hole into the drop chute. The suction selecting means is a mesh- shaped conveyor belt, a drive pulley and a drive motor for rotating and driving the belt, and a box type for guiding the rotation of the belt.
Over the chute-side vertical plane and the vertical plane side of the lower horizontal plane
A thrust plate provided with an L-shaped opening;
A plurality of L-shaped thrust guides provided on the
A suction screen opening toward the opening inside the plate.
And a wind separation device according to the first aspect of the present invention, wherein the suction separation means includes a dust collector.

[0006]

Therefore, by using the suction force, it is possible to automatically and surely sort items other than empty cans and empty bottles.
Further, the crushed mixed waste can be surely sorted at a low cost into a heavy load and a light load. Furthermore, dust and small refuse can be sorted and collected at the same time.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a partially cutaway front view showing the entirety of a wind sorting device A according to a first embodiment of the present invention. The wind sorting device A includes a receiving hopper 1 and a transfer hopper. The conveyor 2, a drop chute 3, a suction sorting unit 4, and an air exhaust device 6 including a dust collector 5 are provided as main components.

The receiving hopper 1 is a hopper for receiving mixed garbage G containing collected bags, garbage bags, and the like, in addition to empty cans, empty bottles, and the like collected in municipalities. The transport conveyor 2 is installed at the bottom. The drop chute 3 is a chute which guides the falling of the mixed trash G which is conveyed by a predetermined amount on the conveyer 2 and drops from a tip end thereof, and is formed in a vertical rectangular tube shape whose upper end and lower end face are open. Have been.

Further, a sorting hole 31 for sorting the storage bags is formed in the middle side wall of the drop chute 3 at a position different from the lower end opening of the drop chute 3. The lower end is communicated with a branch chute 32 having an opening. The suction sorting means 4 is provided above the sorting hole 31. This suction sorting means 4 is provided in FIG.
As shown in detail in FIG.
1, a driving pulley 42 and a driving motor 43 for driving the mesh conveyor belt 41 to rotate, and a mesh conveyor belt 4
1 includes a thrust plate 44 and a thrust guide 45 for guiding the rotation drive, and a suction chute 46 for suctioning from the inside of the mesh conveyor belt 41.

The thrust guide 45 is provided along the suction side opening surfaces 46 ′ and 46 ″ of the suction chute 46, and is located above the sorting hole 31 and along the inner wall surface of the drop chute 3. The vertical surface portion 45a and the horizontal surface portion 45b bent horizontally in the direction of the selection hole 31 are formed in an L-shaped cross section. Connected to an exhaust device 6 having the dust collector 5. That is,
A box-shaped guide that guides the rotation of the belt 41
3 vertical surface 45a and lower vertical surface 45b of lower horizontal surface 45b
L-shaped opening surfaces (openings) 46 ′, 46 ″ extending to the a side
The thrust plate 44 provided with the
A plurality of L-shaped thrust guides provided at 6 ', 46 "
45 and the opening in the thrust plate 44.
The suction chute 46 opening toward the portions 46 ′ and 46 ″
Have

Next, the operation of the first embodiment of the invention will be described. First, when driving the air exhaust device 6, the opening surface 46 of the air of the chute 3 and the branch chutes 32 equipped with a thrust guide 45 ', while being sucked by the strong force into the suction chute 46 to 46 ", Dust collection duct 5
1 and is sucked into the dust collector 5 and discharged to the outside after being subjected to dust collection processing in the dust collector 5. When the driving motor 43 is driven, the mesh conveyor belt 41 is driven to rotate in the arrow direction (counterclockwise in FIGS. 1 and 2) along the outer periphery of the driving pulley 42, the thrust plate 44, and the thrust guide 45. Become.

When the conveyor 2 is driven in this state, the mixed refuse G stored in the receiving hopper 1 is transported on the conveyor 2 by a predetermined amount, and the mixed dust G is transported by a predetermined amount. The parts are continuously supplied and supplied. The mixed trash G supplied and supplied from the upper end opening of the dropping chute 3 falls almost vertically in the falling chute 3 toward the lower end opening thereof. Thrust guide 4
5 the opening surface 46 having a ', because that is the state of being sucked by the strong force into the suction chute 46 to 46 ", but mixed waste G is also sucked by the suction force, at this time, cans, empty Even if the bottle K or the like hits the mesh conveyor belt 41, its suction area does not change. Therefore, if the weight of the bottle K is heavier than the suction force, the bottle K falls directly and falls directly from the lower end opening of the drop chute 3.

However, when the collecting bag, the garbage bag, etc., strikes the mesh conveyor belt 41, the suction area thereof spreads flatly along the surface of the mesh conveyor belt 41, and the suction force becomes stronger than its own weight. Then, while being attracted to the surface of the reticulated conveyor belt 41, the revolving driving of the reticulated conveyor belt 41 rotates the sorting chute 32 from the sorting hole 31.
Transported in the direction of the upper end of the suction chute 4
6, the suction force is released at the time of passing through the bottom side opening surface 46 ″ , so that the collection bag, the garbage bag, etc., which has been adsorbed on the surface of the mesh-shaped conveyor belt 41 until then, the branch chute 32 due to its own weight. , And falls downward from the lower end opening of the branch chute 32. The dust and small dust contained in the mixed dust G pass through the mesh conveyor belt 41 together with air and are sucked into the suction chute 46, The dust is collected by the dust collector 5.

As described above, according to the wind power sorting device of the first embodiment of the present invention, by using the suction force, it is possible to automatically and reliably sort materials other than empty cans and empty bottles. And dust and small dust can be simultaneously sorted and collected by combination with a dust collector.

Next, a description will be given of a wind power sorting device according to a second embodiment of the present invention. FIG. 5 is a partially cutaway front view showing the entirety of a wind power sorting device B according to Embodiment 2 of the present invention. This wind power sorting device B includes a crushing device 7 instead of the receiving hopper 1. However, this is different from the first embodiment of the present invention, and the other points are the same as those of the wind power sorting device A of the first embodiment of the present invention. The crushing device 7 transfers mixed waste G made of plastic bottles, FRP and other heavy waste synthetic resins, vinyl, foamed styrene, garbage storage bags and other mixed waste synthetic resins such as lightweight waste synthetic resins to the upper hopper 7a. By being charged, it is continuously crushed to a predetermined size by a crushing blade (not shown) provided inside.

The crushed garbage g thus crushed is transported by a predetermined amount on a transport conveyor 2 installed at a lower portion thereof, and is continuously transferred from an end thereof to an upper end opening of the dropping chute 3. It will be supplied and supplied. Then, the crushing refuse g supplied and supplied from the upper end opening of the drop chute 3 falls almost vertically inside the drop chute 3 toward the lower end opening thereof, as shown in FIGS.
Since the air in the drop chute 3 is sucked with a strong force into the suction chute 46 from the opening surface provided with the thrust guide 45, of the crushed refuse g, vinyl with a low specific gravity, styrene foam, trash The lightly crushed garbage gk such as a storage bag or other lightly discarded synthetic resin is adsorbed on the surface of the mesh conveyor belt 41 by its suction force. Transported in the direction and
At the point when the suction chute 46 has passed through the L-shaped opening, the suction force is released, and the mesh conveyor belt 4
The lightly-crushed refuse-treated dust gk adsorbed on the surface of the first chute falls into the branch chute 32 by its own weight, and falls downward from the lower end opening of the branch chute 32.

On the other hand, of the crushed garbage g, the heavy crushed garbage gg such as a plastic bottle having a large specific gravity, FRP, or other heavy waste synthetic resin falls under its own weight more than the suction force and falls as it is. The chute 3 falls directly from the lower end opening. As described above, according to the wind separation device B of Embodiment 2 of the present invention, by utilizing the suction force, plastic bottles, FRP and other heavy-weight synthetic resins, vinyl, foamed styrene, garbage storage bags can be used. Mixed garbage G made of mixed waste synthetic resin such as other lightweight waste synthetic resin is crushed to a predetermined size, and the crushed mixed trash g is automatically converted to weight crushed garbage gg and lightweight crushed garbage gk. And it can be sorted out reliably. Further, since water is not used, costs can be reduced.

In the first embodiment of the present invention, the case where empty cans or empty bottles and storage bags are selected has been described. However, the present invention can be applied to other solid materials and plastic materials. it can. Further, the shape and position of the suction port portion in the suction sorting means, the degree of protrusion into the dropping chute, and the like are arbitrary. For example, once the mixed debris is received on a flat or inclined surface in the dropping chute, it is returned in the return conveyance process. The selection may be made based on the balance between the suction force and the own weight.

[0019]

As described above, in the wind separation device according to the present invention , during the falling chute for dropping mixed garbage in which solid garbage such as empty cans and empty bottles and plastic garbage such as storage bags are mixed, By providing suction sorting means for transporting plastic garbage such as a storage bag to a location different from the drop chute while adsorbing plastic garbage on the surface of the mesh-shaped conveyor belt by the suction force of air, Things can be automatically and reliably sorted. Moreover, by utilizing the attractive force, PET, FRP other weight waste synthetic resin, vinyl, styrofoam, garbage bag Other from mixed waste synthetic resin or the like comprising a mixed waste predetermined such lightweight waste synthetic resin size Thus, the crushed mixed refuse that has been crushed can be separated into a heavy object and a light object at low cost. Further, by providing the dust collector to suction引選by means dust and small dirt also becomes possible to select simultaneously recovered.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing the entirety of a wind power sorting device according to Embodiment 1 of the present invention.

FIG. 2 is an enlarged front view of a main part showing a detailed cross section of a suction sorting unit.

FIG. 3 is an enlarged plan view of a main part showing details of a suction sorting unit.

FIG. 4 is an enlarged side view of a main part showing details of a suction sorting unit.

FIG. 5 is a partially cutaway front view showing the entirety of a wind power sorting device according to Embodiment 2 of the present invention.

[Explanation of symbols]

 Reference Signs List 3 falling chute 4 suction sorting means 5 dust collector 41 mesh conveyor belt

──────────────────────────────────────────────────続 き Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B07B 4/00 B07B 4/02

Claims (2)

(57) [Claims] 1. A dropping chute is formed on one side of a dropping chute for dropping mixed waste in which solid waste such as empty cans and empty bottles and plastic waste such as storage bags are mixed, and the selection hole is formed at the lower end of the dropping chute. The lower end of the branch chute is communicated with the branch chute which is communicated with a branch chute having a lower end opening at a position different from the opening, and in which plastic debris such as a storage bag is adsorbed on the surface of the mesh conveyor belt by the suction force of air. At the upper end of the branch chute so that a part thereof protrudes into the drop chute through the upper side of the selection hole, the suction selection means comprises a net-shaped conveyor belt, A drive pulley and a drive motor for rotationally driving the, and a box type for guiding the rotational drive of the belt ,
On the vertical surface of the falling chute side and the vertical surface side of the lower horizontal surface
A thrust plate having an L-shaped opening extending therethrough;
A plurality of L-shaped thrust guides provided at the mouth;
A suction opening that opens toward the opening inside the last plate
A wind sorting device comprising: a pull chute . 2. The wind separation apparatus according to claim 1, wherein the suction separation means includes a dust collector.