JPH10323648A - Tabular molded body and method for utilizing tabular molded body and the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the anathermal tendency of the globe and environmental pollution and make industrial wastes reusable by preliminarily molding industrial waste into tabular shape by compressing and solidifying the waste and coating the surface of the molded body with synthetic resin molded body. SOLUTION: Industrial waste is compressed and solidified by an apparatus comprising hydrostatic molding type dies to mold a preliminarily molded body 2. The apparatus comprising hydrostatic molding type dies is for compression-molding of wastes by pressurizing the waste by hydrostatic pressure. The surface of the preliminarily molded body 2 is coated with synthetic resin molded body by using dies. Synthetic resin is poured into a die to form a molded body 15a with about 2 mm thickness. At the time when the molded body 15a is slightly hardened, the preliminarily molded body 2 is mounted on the molded body 15a. Then, synthetic resin is further poured as to coat the preliminarily molded body 2. Further, an upper die is fitted on the die and the synthetic resin is hardened to unite the synthetic resin molded body 15a and form a resin molded body 15 coating the preliminarily molded body 2. A normal temperature-curable type epoxy resin containing various kinds of metal powders can be employed as the synthetic resin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a plate-like molded product obtained by recycling industrial waste and a method of using the same.

[0002]

2. Description of the Related Art Industrial wastes, especially paint residues discharged from the painting process of automobiles, are difficult to handle because they contain a large amount of liquid components such as water and solvents. Therefore, conventionally, the paint residue is added to a polymer-based coagulant such as polyamide to agglomerate the paint component, and the paint component floating on the water surface is recovered by separating with a thickener or the like, and then incinerated. After incineration, it is treated by landfilling.

[0003] However, when the above-mentioned industrial waste is incinerated, carbon dioxide generated by the incineration may contribute to global warming. There is a possibility that the substance may be vaporized or harmful substances may be eluted to cause environmental pollution.

[0004]

SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a molded article capable of reusing industrial waste without causing global warming, environmental pollution and the like. And

[0005]

Means for Solving the Problems In order to achieve the above object, a plate-like molded product of the present invention comprises a plate-like preformed product obtained by compressing and solidifying industrial waste, and a surface formed by coating the surface of the preformed product. And a synthetic resin molded body formed by the above method.

According to the plate-shaped molded product of the present invention, the industrial waste is compressed and solidified as it is without incineration to form a pre-molded product. There is no risk of causing warming. In addition, the plate-shaped molded product of the present invention, by covering the surface of the pre-formed product with the synthetic resin molded product, the components of the industrial waste, odor and the like are sealed in the plate-shaped molded product and leak to the outside. Nothing.

Therefore, the plate-shaped molded article of the present invention can be reused as a tile or the like without causing global warming, environmental pollution and the like.

[0008] The method of using the plate-like molded article of the present invention is as follows.
A step of mounting the plate-shaped molded body on a predetermined frame to form a concrete casting frame including the plate-shaped molded body, and filling the concrete casting frame with concrete and solidifying the concrete. And an integrating step.

[0009] The plate-shaped molded article of the present invention has a moderate thickness by covering the surface of the preformed article with the synthetic resin molded article, and fills the frame with the synthetic resin molded article. The strength to withstand the pressure of the concrete to be obtained is obtained. Then, by attaching to the said frame, the concrete casting frame can be formed.

Further, in the plate-shaped molded article of the present invention, when the concrete filled in the frame is solidified, the concrete is firmly fixed to the concrete by the synthetic resin molded article.
An integral structure can be formed by simultaneous construction with the concrete, and can be used for the interior or exterior of the structure.

[0011]

Next, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. FIG. 1 is an explanatory cross-sectional view showing a method of forming a preform of this embodiment, FIG. 2 is an explanatory cross-sectional view showing a method of forming a plate-like body of this embodiment, and FIG. It is a perspective view which shows the use method of the plate-shaped molded object of a form.

In this embodiment, first, industrial waste is compressed and solidified by an in-mold hydrostatic pressure molding apparatus 1 shown in FIG.
The preform 2 is formed. Isostatic pressing machine 1 in mold
A die plate 5 provided on the base 3 so as to be movable up and down along a rod 4; a lower punch 7 provided on the base 3 and fitted to a die 6 in the die plate 5; An upper punch 8 which is fitted to a die 6 in the plate 5 and is pressurized by hydrostatic pressure to compress and form the industrial waste with the lower punch 7 is provided. The die plate 5 can absorb the impact at the time of pressurization by a spring 9 provided around the rod 4 along its periphery.

In the present embodiment, as the industrial waste,
The paint residue discharged from the coating process of the automobile and the bond sludge discharged from the pretreatment process for coating are mixed and used, for example, at a weight ratio of about 10: 1 to 3: 2. The paint residue, polyester resin, melamine resin, urethane resin, urea resin, a state where a paint component consisting of an organic component or an inorganic component such as an acrylic resin is dispersed in water,
A polymer coagulant such as polyamide is added to agglomerate the paint component, and the paint component floating on the water surface is recovered by separating with a thickener or the like, and is about 30 times the weight of the paint component. Contains water.
In the pretreatment step of the coating, zinc phosphate treatment is performed, and the bond sludge discharged from the pretreatment step contains about 200% by weight of water with respect to the solid content.

[0014] The mixture of the industrial waste of the paint residue and the bondesludge is first prepared in a filter-equipped mold (not shown).
The water is dehydrated so that the water contained therein becomes about 70% by weight, and then supplied to the die 6 shown in FIG. Next, by lowering the upper punch 8 and pressing the mixture of the industrial waste with the lower punch 7 at a hydrostatic pressure P and compressing the mixture, for example, a 200 mm × 180 mm × 5 mm plate-shaped preliminary A molding 2 is obtained.

Next, using a mold 11 shown in FIG. 2, the surface of the preformed body 2 is covered with a synthetic resin molded body. The mold 11 shown in FIG. 2 includes a die plate 12, a lower mold 14 fitted to a die 13 in the die plate 12, and a synthetic resin molded body 15 between the lower mold 14 fitted to the die 13. Upper mold 1 to be formed
6

In the processing by the mold 11 shown in FIG.
As shown in FIG. 2A, a synthetic resin is poured into a die 13 including a die plate 12 and a lower mold 14, thereby forming a synthetic resin molded body 15a having a thickness of about 2 mm.

Next, at the stage when the synthetic resin molded body 15a is slightly hardened, as shown in FIG.
The preform 2 is placed on 5a. And FIG.
(C) As shown in the figure, a synthetic resin is poured so as to cover the whole of the preform 2 and the upper mold 16 is fitted to the die 13 to cure the synthetic resin, thereby forming the synthetic resin molded body 15a. Integrally, a resin molded body 15 that covers the preliminary molded body 2 is formed.

In this embodiment, a cold-setting epoxy resin containing various metal powders or ceramic powders is used as the synthetic resin. The cold-setting epoxy resin is cured in about 10 minutes after the upper mold 16 is fitted to the die 13, and the pre-molded body 2 is covered with the resin molded body 15 by removing the mold. A plate-like molded body 17 is obtained.
The plate-shaped molded body 17 is, for example, 210 mm × 200 mm ×
It is shaped into an 8 mm tile.

As the metal powder, for example, aluminum powder, tin powder, copper powder and the like can be used. By mixing the metal powder with the cold-setting epoxy resin, the appearance of the plate-like molded body 17 can be improved. Each color can be given a polished tile, marble, or textured chocolate. Further, as the ceramic powder, for example, alumina powder, nickel oxide powder, cobalt oxide powder, or the like can be used, and by mixing the ceramic powder with the cold-setting epoxy resin, the appearance of the plate-shaped molded body 17 can be improved. Can be given a color tone such as granite, green, gold, or blue, respectively. Since the synthetic resin molded body is colored by containing the metal powder or the ceramic powder as described above, decorativeness can be imparted to the appearance of the plate-shaped molded body.

In the present embodiment, the synthetic resin molding 15
The above-mentioned cold-setting epoxy resin is used as a synthetic resin for forming the resin. However, as long as the synthetic resin has fluidity to be poured into the die 13, it may be thermoplastic or cold-setting. You may. It is preferable to use a urethane resin, an epoxy resin, an acrylic resin, a melamine resin, a polypropylene resin, a polyester resin, or the like because the synthetic resin is easy to apply, stable in strength, and has good corrosion resistance.

In this embodiment, the preform 2 is formed in a batch manner by the hydrostatic pressure molding apparatus 1 in a mold shown in FIG. 1, but the supply of industrial waste, compression molding,
The dispensing of the formed preform 2 may be automated and performed continuously.

Next, the plate-like molded product 1 obtained in this embodiment
7 will be described.

The plate-like molded body 17 is made according to JIS A 1106
Is about 10 MPa, which is higher than the concrete strength of 7 MPa. Therefore, the concrete casting frame can be formed by using the plate-like molded body 17.

In the method of use of the present embodiment, first, a plurality of plate-like molded bodies 17 are mounted on a predetermined frame to form a tile frame 31 as shown in FIG. Then, the iron plate 33 is addressed to the outside of the tile frame 31 via the cushioning material 32, and the outside of the iron plate 33 is reinforced by the iron frame 34. Then, the tile frames 31, 31
Is filled with concrete and solidified.

In this way, after the concrete has solidified, when the cushioning material 32, the iron plate 33, and the iron frame 34 are removed, the tile frame 31 fixed and integrated with the concrete structure appears. The tile frame 31 is composed of the plurality of plate-like molded bodies 17 as described above. Since the appearance of the plate-shaped molded body 17 has the color tone, the tile frame 31 is used as it is as an interior material or an exterior material of the concrete structure. Can be.

Therefore, according to the method of use of this embodiment,
Using the plate-shaped molded body 17 as a tile material, the laying of the tile material and the placing of the concrete can be performed at the same time, and the construction cost can be greatly reduced.

In the above embodiment, the industrial waste used in the plate-like molded article of the present invention is a paint residue discharged from a painting process of an automobile and a bond sludge discharged from a pretreatment process of painting of an automobile. And a mixture of the above, but the industrial waste is shredder dust, chips, etc.
Any industrial waste can be used.

[Brief description of the drawings]

FIG. 1 is an explanatory cross-sectional view illustrating a method for forming a preformed body according to an embodiment.

FIG. 2 is an explanatory cross-sectional view illustrating a method of forming a plate-shaped formed body according to the embodiment.

FIG. 3 is a perspective view showing a method of using the plate-shaped molded body of the embodiment.

[Explanation of symbols]

2 ... Preformed body 15: Synthetic resin molded body 17: Plate shaped body 31: Concrete casting frame

────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI E04B 2/86 B09B 3/00 ZAB // B29B 17/00 ZAB E04B 2/86 601A B29K 105: 26 (72) Inventor Kikuchi Ubei Honda Engineering Co., Ltd. (72) Inventor Takashi Ogawa 1-10-1, Shinsayama, Sayama City, Saitama Prefecture Honda Engineering Co., Ltd.

Claims (2)

[Claims] 1. A plate-shaped molded product comprising: a plate-shaped preformed product obtained by compressing and solidifying industrial waste; and a synthetic resin molded product formed by coating the surface of the preformed product. 2. A plate-shaped preform formed of a plate-shaped preformed product obtained by compressing and solidifying industrial waste and a synthetic resin molded product formed by covering the surface of the preformed product, is formed into a predetermined frame. Mounting, forming a concrete casting frame including the plate-shaped molded body; and filling concrete into the concrete casting frame, solidifying and integrating the concrete. How to use a plate-like molded body.