JPS62104708A - Treating method and apparatus for treating member prepared of foam styrol - Google Patents

Abstract

PURPOSE:To reduce much more the vol. of foam styrol, by irradiation with far infrared ray to the treated materials consisting of boxes and cushionings prepd. of foam styrol and by pressing them thereafter. CONSTITUTION:The whole treating apparatus 2 is operated, and treated materials 4 are put on a conveyer belt 18 to be sent into an oven 26. As the treated materials 4 receive a far infrared ray irradiation of a specified level from each far infrared ray heater 8 for a specified time while being moved, such reactions as inducing the constituting molecules of the treated materials are induced and the vol. of the treated materials are gradually reduced to become smaller while exhausting included air gradually. They are sent out from an exit 26B and then successively and automatically fall on the second conveyer belt 34 and are transferred. The treated materials pass through a roll press mechanism 10 constituted of two stages while being still soft and are pressed and taken out after reduction to the state of the highest apparent density as remaining air is forcedly exhausted therefrom.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method and apparatus for processing styrofoam members, and particularly to a method for processing styrofoam members suitable for discarding or recovering styrofoam members. and processing equipment.

[Conventional technology]

Styrofoam has traditionally been used for packaging various items.

For general households, suitable for packaging or cushioning.
A huge amount of them are used in every field, including businesses. Styrofoam is then subjected to disposal or recovery treatment such as incineration or landfill, but in this case, it is necessary to reduce its volume as much as possible for convenience in handling.

As the above-mentioned volume reduction technology, a method has been proposed in which Styrofoam is irradiated with far infrared rays for a certain period of time to shrink the Styrofoam (for example, Japanese Patent Application No. 1983).
-192958).

[Problem that the invention seeks to solve]

However, in the above-mentioned prior art, the volume of the polystyrene foam is reduced to give an apparent density of 0.1 to 0.
However, for example, if the Styrofoam that has been reduced in size is to be reprocessed by dissolving it in a solvent (generally having a density of about 0.9), the density of the Styrofoam is extremely low, so it is difficult to dissolve the Styrofoam in the solvent. Since it is not immersed, it takes time and effort to dissolve it, which reduces the efficiency of reprocessing work.Also, even when the above-mentioned shrunk Styrofoam is reused as fuel, combustion is affected by the remaining air. becomes uneven. Because so-called uneven combustion occurs, it is stable and difficult! However, there have been disadvantages in that it is difficult to use as a heat source with sustained combustion power, and the reduction ratio is not necessarily sufficient to satisfy needs.

[Purpose of the invention]

The present invention overcomes the disadvantages of the prior art.
In particular, it is an object of the present invention to provide a method and apparatus for processing a member made of expanded polystyrene, which can further reduce the volume of expanded polystyrene with a relatively simple configuration.

[Means for solving problems]

Therefore, in the present invention, a box material made of styrofoam is used.

This method uses a method in which far-infrared rays are irradiated onto a workpiece made of a new material or the like for a certain period of time, and then the workpiece is compressed, thereby attempting to achieve the above objective.

[For production]

When a Styrofoam member to be treated is irradiated with far infrared rays of a predetermined intensity for a certain period of time, the molecules that make up the Styrofoam are efficiently excited, causing melting or some kind of chemical reaction (e.g., polycondensation reaction or similar reaction) as the temperature rises. reaction) occurs, and the entire member immediately contracts. Subsequently, the object to be treated is subjected to compression treatment,
The air remaining in the object to be processed is forcibly discharged, thereby making it possible to obtain a styrofoam member that is further reduced in size.

[Embodiments of the invention]

Hereinafter, one embodiment of the present invention will be described based on the accompanying drawings.

In this figure, in this embodiment, the processing device 2 is a bell l serving as a conveying means for conveying the object to be treated and a member 4 made of styrofoam L (hereinafter simply referred to as "processing member-I").
- Conveyor 6 and a plurality of far-infrared heaters 8 as far-infrared generating means for irradiating far-infrared rays to the processing member 4.・
.

In this embodiment, the heat converter 6 of item 111 includes support rollers 14A, 14B and guide rollers 16, which are arranged as shown in the figure on a long and narrow table-like mounting base 12.
, , 16B, the first conveyor belt 18 is stretched between them. This first conveyor belt 18
A motor 24 acts on the roller 16B via a belt 22 hooked around a pulley 20 coaxially and integrally equipped with the roller 16B. Therefore, by rotating this motor 24, the first conveyor belt 18 can run at a predetermined speed in the direction of the arrow Δ.

In this embodiment, the first transport hels l-1 and 8 are mesh-shaped, so that the processing member 4 can be irradiated from below if necessary.

Further, a substantially rectangular parallelepiped-shaped furnace 26 having an inlet 26A and an outlet 26B at both ends is provided on the mounting table 12, and each of the far-infrared heaters 8 is installed inside the furnace 26. ing. In this embodiment, each of the far-infrared heaters 8 uses a radiator made of zircon-based ceramic fuchs formed into a tubular shape, and has a heating section incorporated therein. A plurality of the far-infrared heaters 8 (five in this embodiment) form one block, and a total of four blocks are arranged perpendicularly to the daily running direction of the first conveyor belt. It is mounted by a support member 27.27 to be located above the transport heald 18. Therefore, when each of the far-infrared heaters 8 is heated to a predetermined temperature, the wavelength is 3μ to
Far infrared rays of about 25 μm are efficiently generated, and the processing member 4 passing below can be irradiated with the far infrared rays.

Further, each support member 2 supporting each far-infrared heater 8
7 is divided into two parts and has vertical position adjustment means 28.2.
It is arranged in a suspended state from 8. The vertical position adjustment means 28.28 are arranged as shown in the figure (handles 28A, 2
By turning 8A, the individual support members 27. That is, the far infrared heater 8 of every two blocks is moved up and down within a predetermined range,
This makes it possible to adjust the irradiation intensity to the processing member 4.

On the other hand, a lower-height frame 30 is disposed adjacent to the outlet 26B side (downstream side) of the mounting table 12, and support rollers 32A, 32B and Guide roller 33A.

A belt-shaped second conveyor belt 34 is stretched between the belts 33B. Further, the pulley 36 integrated with the guide roller 33A is configured to receive rotation from the pulley 20 below the mounting table 12 via a belt 38. Therefore, as the motor 24 rotates, the second conveyor belt 34 also rotates in a predetermined direction as indicated by arrow B.

Furthermore, the roller press mechanism 10 is disposed at the center of the second conveyance heald 34 . In this embodiment, the roller press mechanism 10 is a press section 10A each consisting of two columnar rollers.

10B, which is divided into two stages, so that compression processing with a higher reduction rate can be performed accurately. Here, IOC is a member for scraping off.

Next, the overall operation of this embodiment will be explained.

First, the entire processing device 2 is driven, and the processing member 4 is moved to the first
It is placed on the conveyor belt 18 and sent into the furnace 26 through the carry-in port 26A. As a result, the processing member 4 is irradiated with far-infrared rays at a predetermined level for a certain period of time while traveling in the furnace 26 from each far-infrared heater 8 . Therefore, a reaction such as excitation of the constituent molecules of the processing member 4 is induced, and the contained air is gradually removed, and the shape of the processing member 4 is gradually reduced. Then, this reduced processing member 4 is sent out from the outlet 26B, and then automatically falls onto the second conveyor belt 34 and is conveyed. Therefore, while the processing member 4 is still soft, it passes through the two-stage roll press mechanism 10, thereby being pressed, and the remaining air is forcibly discharged.

Therefore, the processing member 4 is reduced in size to the state with the highest apparent density and then taken out.

In this way, in this embodiment, in addition to reducing the size by irradiation with each far-infrared heater 8, a method is used in which the roll press mechanism 10 applies pressure to the processing member 4 while it is still soft to forcibly reduce the size. Therefore, the size is significantly reduced (for example, the volume is reduced to 1/2) compared to the case of simply irradiating far infrared rays.
180), and its apparent density can be increased (for example, 1.0 or more).

Processing elements downsized by the above-described approach therefore have many advantages over those of conventional approaches. For example, since the volume is smaller, it is easier to handle, and it is possible to save space for storage. In addition, even when placed in a solvent for reprocessing, the apparent density is sufficiently higher than that of the solvent, so the entire processing member can be easily immersed in the solvent, resulting in a fast dissolution rate and improved reprocessing efficiency. Significant improvements can be made.

Furthermore, even when reused as fuel, since the proportion of residual air inside is small, uneven combustion can be improved and it can become a stable heat source.

In the above embodiment, the compression action by the roll press mechanism 10 is performed in two stages, but the present invention is not necessarily limited to this. It is also possible to have a configuration in which this is done.

Further, the compression means is not limited to the one related to the roll press mechanism 10 described above, and may be a press mechanism that presses from above with a heavy body, and the compression means may be a press mechanism that presses from above with a heavy body, and the compression means may be a press mechanism that presses from above with a weight body, and the compression means may be a press mechanism that presses from above with a weight body, and the compression means may be a press mechanism that presses from above with a heavy body. It can be configured as follows.

Furthermore, in the case where the compression means is installed outside the furnace 26 as in this embodiment, if the processing member 4 is configured to cool down and harden, there is a method in which the processing member 4 is heated again and then compressed. You can also use it as In addition, the compression means is the furnace 26
It is also possible to install it inside the machine and compress it while irradiating far infrared rays.

On the other hand, in the first embodiment, each far-infrared heater 8 is arranged only above the processing member 4, but far-infrared ray generating means is also arranged below the processing member 4, and two It is also possible to use a configuration in which irradiation is performed from a direction to further increase the reduction efficiency. Furthermore, in the case where the far infrared ray generating means is disposed on either the upper or lower side as in the case of the above embodiment,
A reflector plate that reflects far infrared rays can be provided on the opposite side to improve irradiation efficiency.

〔Effect of the invention〕

Since the present invention is configured and functions as described above, it is possible to reduce the volume of the Styrofoam member by the compression means K(fa) to a much smaller size than that of the prior art, despite having a relatively simple configuration. (for example, an apparent density of 1.0 or more), which makes handling more convenient and can easily meet various needs that require a high volume reduction rate. A processing device can be provided.

[Brief explanation of drawings]

The attached drawing is a schematic configuration diagram showing an embodiment of the present invention. 2... Processing device, 4... Styrofoam member as processed material, 6... Heald conveyor as conveyance means, 8... Far infrared ray generation A far-infrared heater as a means, 10...a roll press mechanism as a compression means.

Claims (2)

[Claims] (1) A method for processing members made of styrofoam, which comprises irradiating far infrared rays for a certain period of time to an object to be processed, such as a box material made of styrofoam, a cushioning material, etc., and then subjecting the object to compression treatment. . (2) a conveying means for placing and moving the object to be processed, such as a box material made of polystyrene foam, a cushioning material, etc., and one or more far-infrared ray generating means disposed along the flow of the conveying means; A processing apparatus for a member made of expanded polystyrene, characterized in that a compressing means for compressing the object to be processed is connected to the downstream side of the conveying means.