JP2002256101A - Process for volume-reduction treatment of foam and apparatus thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a process for the volume-reduction treatment of foams and an apparatus thereof which are capable of carrying out the volume-reduction easily as much as the foams are dissolved in a solvent while being pressure- broken and they are dissolved while being defoamed by pressure breaking, and capable of separating the foams from packaging materials easily as much as the foams are not crushed and additionally the packaging materials are not crushed and remain as they are, and consequently capable of carrying out well the reuse treatment of the foams. SOLUTION: The apparatus comprises a receiving container 2 capable of storing a foam W, a solvent 5 capable of dissolving the foam stored in this receiving container, and a pressure-breaking mechanism 6 capable of pressure- breaking the foam.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foam volume reducing method and apparatus for reducing the volume of waste made of foams such as expanded polystyrene, expanded polystyrene and expanded polyurethane.

[0002]

2. Description of the Related Art Conventionally, various types of crushers for cutting and crushing a foam into small pieces have been known as this kind of volume reduction processing apparatus.

[0003]

However, in the case of these crushers, when the foam is crushed, frictional heat is generated due to the cutting contact between the crushing blade and the foam, and this frictional heat adversely affects the crushing mechanism. In some cases, packaging materials for adhesive seals with the product name etc. affixed to the foam are also crushed together with the foam, and the sealing material etc. can be separated when the crushed foam is reused. It has the disadvantage that it can be difficult.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to solve these problems. In the present invention, a method according to the first aspect of the present invention comprises dissolving a foam with a solvent. A volume reduction method for a foam is characterized in that the volume is reduced by crushing and dissolving the foam while reducing the volume.

According to a second aspect of the present invention, there is provided a storage container body capable of storing a foam, and a storage container body stored in the storage container.
An apparatus for reducing the volume of a foam, comprising: a solvent capable of dissolving the foam; and a crushing mechanism capable of crushing the foam.

According to a third aspect of the present invention, the crushing mechanism includes a crushing member capable of crushing the foam in the storage container.
The invention according to the invention is characterized in that the crushing mechanism comprises a chain mechanism for vertically crushing the crushing member, and the invention according to claim 5 includes, as the solvent,
It is characterized by using an ester-based vegetable oil.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 5 show an embodiment of the present invention, in which 1 is an airframe, and an opening tank-shaped storage container 2 is installed at the bottom of the airframe 1. Door plate 3 in front
Are opened and closed freely and a plurality of foams W
And a chute body 4 capable of sequentially guiding the insertion of the chute is provided.

Reference numeral 5 denotes a solvent. In this case, in addition to a recyclable solvent such as an ester-based vegetable oil, limonene-based or terpene-based solvent, a cyclic fatty acid-based solvent, gasoline, Kerosene and chlorocarbon-based solvents are used.

Reference numeral 6 denotes a crushing mechanism.
The drive motor 7 is installed on the upper part of the vehicle, and the rotating shaft 8 is provided horizontally. A chain mechanism 9 is interposed between the driving motor 7 and the rotating shaft 8, and both ends of the rotating shaft 8 and the lower part of the body 1. A guide mechanism 1a in which a vertically movable member 12 is vertically installed on the left and right sides of the body 1 with a vertically movable member 12 provided in the body 1 between the support mechanism 10 and a chain mechanism 11 composed of circulation chains 11a.
.1a and a guide roll 12a protruding from the vertically moving member 12
・ Circulating chain 1 which is vertically movable by 12a
A vertically moving member 12 is connected to one of the circulating portions 1a and 11a by a fastening portion 13, a crushing member 14 is attached to the vertically moving member 12, and the circulating chain 1 is rotated by the forward and reverse rotation of the driving motor 7.
1a and 11a are vertically circulated and conveyed, and the crushing member 14 is vertically crushed via the vertically moving member 12. Incidentally, a crushing mechanism of a hydraulic press structure may be used.

In this case, a fixed cover member 15 is disposed above the storage container body 2 on the body 1 and an opening escape portion 16 is formed in the fixed cover member 15 so that the vertically movable member 12 can move up and down. The circulation chain 1 in which a plurality of rectangular plate-shaped cover pieces 17a are vertically arranged in the opening escape portion 16
7b, a chain mechanism 17 having a circulating portion inside the circulating chains 17b
Are connected by a fastening portion 18, and the opening escape portion 16 is closed by circulating and transporting the circulation chains 17b by the vertical movement of the vertical moving member 12, and the fixed cover member 15 and the plurality of cover pieces 17a close the opening escape portion 16. It is configured to prevent the foam W from falling outside.

Since this embodiment has the above configuration,
As shown in FIGS. 1 and 2, the solvent 5 is stored in the storage container body 2,
The foam W is artificially or automatically charged into the storage container body 2, and the vertically moving member 12 is lowered to crush the foam W.
As shown in FIG. 3, the foam W is dissolved by the solvent 5 while being crushed.
Is defoamed and dissolved, the volume can be easily reduced and the foam W is not crushed, so that packaging materials such as seal materials are not crushed, and the seal materials and the like remain as they are. Separation of the foam W from the packaging material and the like becomes easy, and the foam can be reused satisfactorily.

Further, in this case, since the crushing mechanism 6 includes the crushing member 14 capable of crushing the foam W in the storage container 2, the crushing of the foam W can be easily performed. In this case, the crushing mechanism 6 is connected to the crushing member 14.
Is composed of a chain mechanism 11 for vertically crushing the
The structure of the crushing mechanism 6 can be simplified, and in this case, since the ester-based vegetable oil is used as the solvent 5, it is possible to easily reuse the reduced volume foamed product W. .

The present invention is not limited to the above-described embodiment. For example, the shapes, structures, materials, and the like of the body 1, the storage container 2, the crushing mechanism 6, and the crushing member 14 are appropriately designed and changed. You.

[0014]

According to the present invention, as described above, according to the first or second aspect of the present invention, a solvent is stored in a storage container, and a foam is artificially or automatically charged into the storage container. Then, by crushing the foam by the crushing mechanism, the foam is dissolved by the solvent while being crushed, and the foam is defoamed and dissolved by the crush, so that the volume can be easily reduced. It does not crush the foam and packaging materials are not crushed.
As a result, the separation of the foam and the packaging material becomes easy, and the reuse of the foam can be favorably performed.

According to the third aspect of the present invention, since the crushing mechanism includes a crushing member capable of crushing the foam in the storage container, the crushing of the foam can be easily performed. According to the fourth aspect of the present invention, since the crushing mechanism comprises a chain mechanism for vertically crushing the crushing member, the structure of the crushing mechanism can be simplified. In the described invention, since the ester-based vegetable oil is used as the solvent, the volume-reduced foamed product can be easily reused.

As described above, the intended purpose can be sufficiently achieved.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of an embodiment of the present invention.

FIG. 2 is a front sectional view of the embodiment of the present invention.

FIG. 3 is a side sectional view of the embodiment of the present invention.

FIG. 4 is a plan view of the embodiment of the present invention.

FIG. 5 is a plan sectional view of the embodiment of the present invention.

[Explanation of symbols]

 W Foam 2 Storage container 5 Solvent 6 Crush mechanism 11 Chain mechanism 11a Circulation chain 14 Crush member

Claims (5)

[Claims] 1. A method for reducing the volume of a foam, comprising dissolving and reducing the volume of the foam while crushing the foam when dissolving the foam with a solvent. 2. A storage container body capable of housing a foam, a solvent housed in the storage container and capable of dissolving the foam, and a crushing mechanism capable of crushing the foam. Characteristic foam reduction equipment. 3. The foam reducing device according to claim 2, wherein the crushing mechanism includes a crushing member capable of crushing the foam in the storage container. 4. The apparatus for reducing foam volume according to claim 3, wherein said crushing mechanism comprises a chain mechanism for vertically crushing said crushing member. 5. The apparatus for reducing the volume of a foam according to claim 2, wherein an ester-based vegetable oil is used as the solvent.