JPH08336838A - Apparatus for solidifying waste containing foamed styrol - Google Patents

Abstract

PURPOSE: To provide an apparatus for effectively compacting wastes contg. foamed styrol by making the apparatus lightweight by a relatively simple constitution and moving the apparatus to the site where a large amt. of foamed styrol are largely generated and adjusting the resistance at the outlet. CONSTITUTION: An apparatus 1 for solidifying wastes contg. foamed styrol consists of a casing 10 with a feeding inlet 11 for the wastes on the top, a roughly grinding rotor 20 provided on its intermediate step part, a compression room 19 from the bottom part 12 of the casing 10 to an approximately horizontally extended casing 15 and a spiral body 30 provided in the compression room 19 and the inner vol. of the compression room 19 is gradually decreased toward the back end outlet 18 of the extended casing 15. The resistance when the solid material is extruded is controlled by means of a nozzle 40 after the extended casing 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for solidifying a waste material containing styrofoam, which is widely used as a packing material for packing materials, and as a packing container for seafood tuna boxes and vegetables, into a rod-shaped solid material.

[0002]

2. Description of the Related Art In recent years, with the diversification of lifestyles and industrial structures, the amount and quality of general municipal waste and industrial waste have changed significantly, and a treatment method suitable for the quality of waste has become necessary. It was In particular, styrofoam packing materials and food containers have become lighter and have excellent shock-damping properties and heat insulation properties, so they have come to be used in large amounts, and along with this, styrofoam waste has come to be produced in large amounts. .

However, the waste of styrofoam does not easily rot even if it is landfilled as it is, has a small specific gravity and a bad landfill volume ratio, and requires a vast space for landfilling. In addition, because it is light, it is blown by the wind to the river. Or floating in the sea, on the sea,
Environmental pollution will occur on land. In addition, there is a problem in that the transportation efficiency is poor during transportation.

Therefore, the inventor of the present application previously proposed a method for solidifying styrene foam waste (see the specification and drawings of Japanese Patent Application No. 1-134268) and solved the above problems. However, as shown in FIG. 7, the apparatus 100 used in this solidification method has an input port 111 for waste containing styrofoam.
At the one end, and at the other end, two parallel screw devices 1 in a casing 110 having a molded porous plate 112 attached thereto.
20 is provided, and a rotary pressing body 121 that heats and melts the Styrofoam in a small gap with the liner 115 is provided in an intermediate portion of the screw device 120. Therefore, the entire device including the driving device 130 of the screw device 120 is heavy and of a stationary type. Also, since the temperature may rise too much due to strong compression, water injection is necessary and the steam vent pipe 1
19 is required, and water injection control is troublesome.

[0005]

If the entire apparatus is heavy and large, there is a problem that it cannot be easily moved to a place where a large amount of Styrofoam is generated, and a dedicated installation site is required. There is also a problem that it is troublesome and that repairs become large-scale. The present invention has been made in view of the above circumstances, the weight of the device can be reduced with a relatively simple structure, it can be moved to a place where a large amount of Styrofoam is generated, and the outlet resistance can be adjusted to efficiently dispose of the Styrofoam. An object of the present invention is to provide an apparatus for solidifying waste containing styrofoam, which can consolidate things.

[0006]

In order to achieve the above object, a waste solidification device containing styrofoam according to claim 1 of the present invention is a casing having an input port for a waste product containing styrofoam above. A crushing rotor provided in the middle stage of the casing, a compression chamber extending from the bottom of the casing to an extension casing extending substantially horizontally, and a spiral body provided in the compression chamber. The chamber is characterized in that its internal volume is gradually reduced toward the outlet at one end of the extension casing.

According to a second aspect of the present invention, the coarsely crushed rotor is composed of a uniaxial or biaxial impeller that meshes with a grid-shaped fixed blade. According to claim 3, the spiral body is 1
It is composed of an axial or parallel biaxial spiral body, and is configured such that the spiral pitch gradually decreases toward the outlet at the one end in at least the extension casing.

According to a fourth aspect of the present invention, the casing bottom and the inner wall of the extension casing are provided with a plurality of convex long strips in the circumferential direction thereof. As described in claim 5, the extension casing is changed in shape from a circular or elliptical inlet to an outlet into a substantially square shape or a substantially rectangular shape.

According to a sixth aspect of the present invention, a nozzle having a substantially square shape or a substantially rectangular shape is connected to the outlet of the extension casing, and the nozzle is connected to the peripheral wall by a hinge by a screw jack, hydraulic means or a spring. It has a swivel plate to be pushed. As described in claim 7, the casing has a plurality of moving wheels on the bottom plate.

[0010]

In the solidification device for waste containing styrofoam according to claim 1 configured as described above, the waste containing styrofoam is introduced into the casing through the upper inlet and is provided in the middle stage of the casing. In the compression chamber extending from the bottom of the casing to the extension casing extending substantially horizontally from the bottom of the casing, the spiral provided in the compression chamber feeds one end of the extension casing toward the outlet. Simultaneously stirred and crushed. Since the internal volume of the compression chamber is gradually reduced toward the outlet on one end of the extension casing, the crushed waste is
It is compressed into a significantly reduced volume. Styrofoam is partially melted during crushing or compression and serves as a binder to improve the shape retention of the mass.

Further, the weight of the apparatus is reduced by the relatively simple construction of the coarsely crushed rotor, the spiral body, the casing accommodating these and the extended casing, and the styrofoam can be easily moved to a place where a large amount of styrofoam is generated, so that the styrofoam is efficiently It is possible to consolidate the contained waste and improve the transportation efficiency during transportation.

In the solidification device for waste containing styrofoam according to claim 2, the crushing rotor is constituted by a uniaxial or biaxial impeller that meshes with a grid-shaped fixed blade, and the waste containing styrofoam is light. After being received on the grid-shaped fixed blade, it can be surely crushed by the impeller.
A uniaxial or biaxial impeller can be adopted depending on the amount of waste containing styrofoam.

In the waste solidifying device containing styrofoam according to the third aspect of the present invention, the waste solidification device comprises a uniaxial or parallel biaxial spiral body, and at least the spiral pitch is gradually reduced toward the outlet at the one end in the extension casing. In addition, the feed is reduced in correspondence with the compression volume reduction of the waste due to the gradual decrease of the internal volume of the compression chamber, and the consolidation is performed reliably.

In the waste solidifying device containing styrofoam according to claim 4, a plurality of convex long strips are provided in the circumferential direction on the casing bottom and the inner wall of the extension casing, and the waste is crushed into pieces. It is possible to prevent the object from rotating around with the spiral, and to further crush the waste between the spiral and the plurality of convex elongate strips.

In the waste solidifying device containing styrofoam according to the fifth aspect, the extension casing is shaped into a substantially square or a rectangle from the circular or elliptical inlet to the outlet, and is finally molded. The solid waste material has a substantially square cross section, which prevents it from rolling down and breaking and can be stacked efficiently without any gaps. The extension casing is formed into a circular inlet when the spiral is uniaxial, and is formed into an elliptical inlet when the spiral is biaxial, while the outlet is appropriately formed into a substantially square shape or a substantially rectangular shape.

In the waste solidifying device containing styrofoam according to the sixth aspect, a nozzle having a substantially square shape or a substantially rectangular shape is connected to the outlet of the extension casing, and the nozzle is connected to the peripheral wall by a hinge so that a screw jack, Since the swivel plate pushed by the hydraulic means or the spring is provided, the resistance at the outlet can be adjusted by the screw jack, the swivel plate pushed by the hydraulic means or the spring according to the input amount and the pressure density of the waste. In the solidification device for waste containing styrofoam according to claim 7, the casing is provided with a plurality of moving wheels on the bottom plate, and the device can be easily moved to the source of the waste containing styrofoam.

[0017]

EXAMPLES Next, a solidification apparatus for waste containing styrofoam of the present invention will be described in detail below by way of examples with reference to the accompanying drawings. FIG. 1 is a side view of a solidification apparatus for waste containing styrofoam according to a representative embodiment of the present invention, and FIG.
Is a front view of the device, FIG. 3 is a partial perspective view of a fixed blade of the device and an impeller of a crushing rotor, FIG. 4 is a cross-sectional view of a casing of the device, and FIG. 6 is an explanatory view of a swivel plate which is connected to the hinge with a hinge and is moved by a screw jack.
FIG. 3A is a partial perspective view showing a solid material by the same apparatus, FIG. 3A is a square cross-section, FIG. 2B is a round cross-section, and FIG. 3C is a rectangular cross-section.

1 to 5, a waste solidification device 1 containing styrofoam of a representative embodiment has a casing 10 having a waste material inlet 11 containing various styrofoam above, and a middle stage of the casing 10. And a compression chamber 19 extending from the bottom portion 12 of the casing 10 to an extension casing 15 extending substantially horizontally, and a spiral body 30 provided in the compression chamber 19. The interior volume of the chamber 19 is the extension casing 15
It gradually decreases toward the rear end exit 18. A substantially square nozzle 40 is connected to the outlet 18 of the extension casing 15, and the nozzle 40 is provided with a swivel plate 43 that is connected to a peripheral wall 41 by a hinge 42 and is moved by a screw jack 44.

The crushing rotor 20 is composed of a biaxial impeller 21 that meshes with a grid-shaped fixed blade 25, and the biaxial impeller 21 is intermediately moved by a geared motor 24 provided outside the middle part of the casing 10. It is rotatably driven from top to bottom so as to mesh with the grid-shaped fixed blade 25, and reliably receives wastes containing light Styrofoam on the grid-shaped fixed blade 25 and then reliably by the large number of blades 22 of the impeller 21. It can be crushed.

The spiral body 30 is composed of spiral blades 32, which are cantilevered at a front end of the casing 10 and cantilevered by a bearing B, and are provided around a single shaft 31. The spiral pitch is gradually reduced toward the compression chamber 1 of the extension casing 15.
Corresponding to the volume reduction of the waste due to the gradual decrease of the inner volume of 9B, the feed is reduced to ensure the consolidation.
The spiral body 30 is rotationally driven by a motor 35 via a speed reducer 36 in a direction corresponding to the spiral hand of the spiral blade 32.

On the inner wall of the compression chamber 19 extending from the bottom portion 12 of the casing 10 to the extension casing 15 extending substantially horizontally, a plurality of convex long strips 14 are provided in the circumferential direction in a replaceable manner. The coarsely crushed waste is prevented from circulating together with the spiral body 30, and the waste material can be further crushed between the spiral body 30 and the plurality of convex long strips 14. Further, the bottom plate of the casing 10 is provided with a plurality of moving wheels W, so that the present apparatus 1 can be easily moved to a waste generation source including styrofoam.

The extension casing 15 has a circular inlet on the side connected to the bottom portion 12 of the casing 10 and a substantially square shape change to the outlet thereof, and a nozzle 40 of the same substantially square shape is connected to the rear end thereof. Therefore, the finally formed waste solid A has a substantially square cross section,
It can be prevented from rolling, falling and breaking, and can be stacked efficiently without any gaps. The nozzle 40 is provided with a swivel plate 43 which is connected to the peripheral wall 41 by a hinge 42 and is moved by a screw jack 44, so that the solid jack push-out resistance can be adjusted by the screw jack 44 according to the input amount and pressure density of waste. It has become. The screw jack 44 is fixed by a lock nut 45.

In the waste solidification device 1 containing styrofoam, which is constructed as described above, the waste product containing styrofoam is introduced into the casing 10 through the upper inlet 11 and is crushed in the middle stage thereof. In the compression chamber 19 from the bottom 12 of the casing 10 to the extension casing 15 extending substantially horizontally from the bottom 20 of the casing 10, the spiral body 30 feeds the extension casing 15 toward the rear end outlet 18, The spiral blade 32 and the plurality of convex elongated strips 14 are agitated and further crushed. Since the internal volume of the compression chamber 19 is gradually reduced toward the rear end outlet 18 of the extension casing 15, the crushed waste is compressed into a large volume A as described above. . Styrofoam can be partially melted during crushing or compression to improve the shape retention of the lump as a binder.

Further, the device 1 has a relatively simple structure including the crushing rotor 20, the spiral body 30, and the casing 10 and the extension casing 15 accommodating them, and the apparatus 1 can be lightened and easily moved to a place where a large amount of styrofoam is generated. Waste including styrofoam can be efficiently compacted, and the transportation efficiency at the time of transportation can be improved.

In the above-described representative embodiment, the uniaxial spiral body 30 has been described. However, a biaxial spiral body can be adopted depending on the amount of waste including styrofoam, and the casing 10
Also, the inlet of the extension casing 15 can be elliptical. The coarsely crushed rotor 20 also meshes with the grid-shaped fixed blade 25 1
A shaft impeller can be used. Further, the extension casing 15 has a circular inlet on the side connected to the bottom portion 12 of the casing 10 and has a circular shape as it is. Instead of the solid A having a square cross section of FIG. 6A, a circular cross section shown in FIG. It is also possible to obtain a solid A ′ on the surface, or a solid A ″ having a rectangular cross section shown in FIG. 6C by changing the shape from a circular inlet to a rectangular outlet. Instead of the jack 44, a hydraulic ram is provided. You can also use a spring.

[0026]

As is apparent from the above description, according to the waste solidifying device containing expanded polystyrene described in claim 1 of the present invention, the following effects can be obtained. (1) Waste containing styrofoam is thrown into the casing from the upper inlet, crushed by the crushing rotor provided in the middle stage of the casing, and extended from the bottom of the casing to the extended casing that extends almost horizontally. In the compression chamber, the spiral body provided in the compression chamber feeds the one end of the extension casing toward the outlet, and at the same time, the mixture is stirred and crushed. Since the internal volume of the compression chamber gradually decreases toward the outlet on the one end of the extension casing, the crushed waste is compressed and formed into a lump with a significantly reduced volume. Styrofoam can be partially melted during crushing or compression to improve the shape retention of the lump as a binder.

(2) In addition, the device is made lighter with a relatively simple structure including the crushing rotor, the spiral body, the casing accommodating these, and the extension casing, and it can be easily moved to a place where a large amount of styrofoam is generated, which is efficient. In addition, waste containing styrofoam can be compacted, and the transportation efficiency at the time of transportation can be improved.

(3) According to the solidification apparatus for waste containing styrofoam of the second aspect, the crushing rotor is composed of a uniaxial or biaxial impeller meshing with the grid-like fixed blade, and is light. The waste containing styrofoam can be reliably crushed by the impeller after receiving it on the grid-shaped fixed blade. A uniaxial or biaxial impeller can be adopted depending on the amount of waste containing styrofoam.

(4) According to the solidification apparatus for waste containing styrofoam according to the third aspect, the waste solidification apparatus comprises a uniaxial or parallel biaxial helix, and at least in the extension casing, spirals toward the one end outlet. The pitch is configured to be gradually reduced, and it is possible to reliably perform consolidation by reducing the feed in correspondence with the compression volume reduction of the waste accompanying the gradual reduction of the internal volume of the compression chamber.

(5) According to the solidification device for waste containing styrofoam according to the fourth aspect, the casing bottom and the inner wall of the extension casing are provided with a plurality of convex long strips in the circumferential direction thereof. It is possible to prevent the coarsely crushed waste from circulating with the spiral, and to further crush the waste between the spiral and the plurality of convex elongate strips.

(6) According to the waste solidification device containing styrofoam of claim 5, the extension casing is changed into a substantially square or substantially rectangular shape from the circular or elliptical inlet to the outlet, and The solid waste material to be molded has a substantially square cross section and can be prevented from rolling down and breaking, and can be stacked efficiently without any gap. The extension casing is formed into a circular inlet when the spiral is uniaxial, and is formed into an elliptical inlet when the spiral is biaxial, while the outlet is appropriately formed into a substantially square shape or a substantially rectangular shape.

(7) According to the solidification apparatus for waste containing styrofoam according to claim 6, a substantially square or substantially rectangular nozzle is connected to the outlet of the extension casing, and the nozzle is connected to the peripheral wall by a hinge. Since it is equipped with a swivel plate that is pushed by a screw jack, hydraulic means, or a spring, the resistance at the outlet can be changed by a screw jack, hydraulic means, or a spring depending on the pressure density of the waste. It can be adjusted. (8) According to the waste solidification device containing styrofoam of claim 7, the casing is provided with a plurality of moving wheels on the bottom plate, and the device is easily moved to a waste source containing styrofoam. You can do it.

[Brief description of drawings]

FIG. 1 is a side view of a waste solidification device including styrofoam according to a representative embodiment of the present invention.

FIG. 2 is a front view of the same device.

FIG. 3 is a partial perspective view of a lattice fixed blade and an impeller of a crushing rotor of the device.

FIG. 4 is a cross-sectional view of a casing of the device.

FIG. 5 is an explanatory view of a swivel plate in which the nozzle of the device is connected to the peripheral wall by a hinge and moved by a screw jack.

FIG. 6 is a partial perspective view showing a solid material by the same apparatus, (a) having a square cross section, (b) having a circular cross section, and (c) showing a rectangular cross section.

FIG. 7 is a cross-sectional side view of a conventional waste solidification device including Styrofoam.

[Explanation of symbols]

 1 Solidification Device for Waste Containing Styrofoam 10 Casing 11 Input Port 12 Casing Bottom 14 Convex Long Line Material 15 Extension Casing 18 Rear End Exit 19 Compression Chamber 20 Crushing Rotor 25 Lattice Fixed Blade 30 Helix 40 Nozzle 42 Hinge 43 Swivel plate 44 Screw jack A Solid material W Wheel

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display area B29K 105: 04 105: 26

Claims (7)

[Claims] 1. A casing having an inlet for waste containing styrofoam above, a crushing rotor provided in the middle stage of the casing, and an extension casing extending substantially horizontally from the bottom of the casing. The compression chamber of
A solidification device for waste containing styrofoam, comprising: a spiral body provided in the compression chamber, wherein the internal volume of the compression chamber is gradually reduced toward the outlet at one end of the extension casing. 2. The solidification device according to claim 1, wherein the coarsely crushed rotor comprises a uniaxial or biaxial impeller that meshes with a grid-shaped fixed blade. 3. The solidification apparatus according to claim 1, wherein the spiral body is formed of a uniaxial or parallel biaxial spiral body, and the spiral pitch gradually decreases toward the outlet at one end in at least the extension casing. 4. The solidifying device according to claim 1, wherein a plurality of convex long strips are provided in the circumferential direction on the bottom of the casing and the inner wall of the extension casing. 5. The solidification device according to claim 1, wherein the extension casing is changed into a substantially square shape or a substantially rectangular shape from a circular or elliptical inlet to an outlet. 6. A nozzle having a substantially square shape or a substantially rectangular shape is connected to an outlet of the extension casing, and the nozzle is provided with a swivel plate continuously connected to a peripheral wall by a hinge and pushed by a screw jack, hydraulic means or a spring. The solidification device according to claim 5. 7. The solidification device according to claim 1, wherein the casing has a plurality of moving wheels on a bottom plate.