JP3179353U - Lightweight building materials - Google Patents

Lightweight building materials Download PDF

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JP3179353U
JP3179353U JP2012005026U JP2012005026U JP3179353U JP 3179353 U JP3179353 U JP 3179353U JP 2012005026 U JP2012005026 U JP 2012005026U JP 2012005026 U JP2012005026 U JP 2012005026U JP 3179353 U JP3179353 U JP 3179353U
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tile
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glass particles
roof
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守男 川村
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守男 川村
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Abstract

【課題】ガラス廃材を利用して発泡ガラス粒を製造し、さらにこの発泡ガラス粒を用いて軽量瓦(又はタイル)を製造することによって、軽量建材を提供する。
【解決手段】ガラス廃材より得た発泡ガラス粒3を主材とし、これに粘土4を加えて混合し、この混合物を瓦型に入れて瓦1を加圧成形して素瓦とし、この素瓦を取り出して750℃〜850℃で1時間〜5時間焼成したことを特徴とする。
【選択図】図2
Kind Code: A1 A lightweight building material is provided by producing foamed glass particles using glass waste material, and further producing lightweight tiles (or tiles) using the foamed glass particles.
SOLUTION: Foamed glass particles 3 obtained from glass waste are used as a main material, clay 4 is added thereto and mixed, this mixture is placed in a roof mold, and roof tile 1 is pressure-molded to form a roof tile. The roof tile is taken out and baked at 750 ° C. to 850 ° C. for 1 hour to 5 hours.
[Selection] Figure 2

Description

ガラス廃材より得た発泡ガラス粒を主材とし、これに粘土を加えて混合し、この混合物を型に入れて加圧成形した後、焼成することによる軽量瓦及軽量タイルの軽量建材に関する。   The present invention relates to a lightweight building material for lightweight tiles and lightweight tiles by using foamed glass particles obtained from glass waste as a main material, adding clay to this, mixing, putting the mixture into a mold, press-molding, and firing.

従来、都市廃棄物の焼却灰から得た軽量骨材にバインダーとして、ガラス粉、粘土及びセメントを加えて成形した軽量瓦が知られている。また合成樹脂発泡体を骨材としてこれに水硬性結合材組成物を加えた物を成形加圧してなる軽量コンクリート瓦も提案されている。次にスラグガラスと粘土とを混合し、得られた混合物を成形及び焼成するセラミックス発泡体の提案もある。また、粘土(赤土)の水簸の際生じる赤土の微粒子は廃棄されていた。   Conventionally, a lightweight tile formed by adding glass powder, clay and cement as a binder to a lightweight aggregate obtained from incineration ash of municipal waste is known. There has also been proposed a lightweight concrete roof formed by molding and pressurizing a synthetic resin foam as an aggregate to which a hydraulic binder composition is added. There is also a proposal of a ceramic foam in which slag glass and clay are mixed, and the resulting mixture is molded and fired. In addition, the red clay particles that were generated when the clay (red earth) syrup was added were discarded.

特許第2624592号公報Japanese Patent No. 2624592 特開平9−184247号公報JP-A-9-184247 実用新案登録第3143003号公報Utility Model Registration No. 3143003 特開2002−321988号公報JP 2002-321988 A

従来使用されている普通の瓦(粘土により瓦を成形し、これを焼成して製造した瓦)は、耐候性、耐久性に優れており、何百年間も同一状態を保つことが知られているが、重いことが問題点となっている。例えば普通の瓦は1枚3kgあるので、多数の瓦を使用した場合(例えば1000枚〜2000枚)には、1屋根で3000kg又は6000kgとなり、柱その他の構造を十分強くしなければならない。前記のような重量であっても、通常の状態では十分支持し得る木構造が完成しているので何等心配はなかった。   Conventionally used ordinary roof tiles (tiles made from clay and fired) are excellent in weather resistance and durability, and are known to remain the same for hundreds of years. However, heavyness is a problem. For example, since ordinary roof tiles are 3 kg per sheet, when a large number of roof tiles are used (for example, 1000 to 2000 sheets), one roof is 3000 kg or 6000 kg, and pillars and other structures must be sufficiently strong. Even with the weight as described above, there was no concern because the wood structure that can be sufficiently supported in a normal state was completed.

然しながら、台風又は地震の時に、頭が重い建物は倒壊し易いので、前記瓦の利点は認めながら、鉄板その他の屋根を採用する木造建築が増加している。   However, buildings with heavy heads are easy to collapse in the event of a typhoon or an earthquake, so that the number of wooden buildings that employ iron plates and other roofs is increasing while recognizing the advantages of the tiles.

この考案は、従来の土瓦の特質を備え、かつ地震等にも十分対応し得る軽量瓦を得ることにより前記従来の問題点を解決しようとするものである。   This invention is intended to solve the above-mentioned conventional problems by obtaining a lightweight roof tile having the characteristics of a conventional earthen roof tile and capable of sufficiently responding to an earthquake or the like.

従来成形物を軽量化するには、発泡剤を入れて加熱発泡することが知られており、各技術分野で実用に供されているが、屋根瓦に関しては、前記発泡技術では、耐候性の他に外力に対しても十分な強度を有すること及び製品が均質なこと並びに軽量度合を自由に選択できることなどが困難な場合が多いという幾多の問題点があった。   Conventionally, in order to reduce the weight of a molded product, it is known to heat and foam by adding a foaming agent, which is practically used in each technical field. In addition, there are a number of problems in that it is often difficult to have sufficient strength against external force, that the product is homogeneous, and that the lightness can be freely selected.

この考案は、従来用いられていた粘土に代えて、発泡ガラス粒と粘土を混合した材料を主材とし、これを加圧成形焼成することにより、前記従来の問題点を解決し、軽量かつ強固な屋根瓦を得ることに成功したのである。また瓦の型に代えてタイルの型を使用すれば、軽量タイルを製造することができる。次に前記軽量瓦の比重は、発泡ガラス粒の発泡状態及び使用量によって定まる。例えば、発泡ガラス粒の比重を0.7とした場合に、発泡ガラス粒を70%使用し、粘土(例えば比重を2.6とする)30%とすれば比重1.27の軽量瓦ができる。また発泡ガラス粒を80%使用し、粘土を20%とすれば、比重1.08の軽量瓦ができることになる。そこで軽量瓦の強度を考慮し、粘土の使用量を10%〜50%とすれば、軽量瓦の比重は0.89〜1.65となる。即ち水に浮く瓦も可能となるのである。   This device uses a mixed material of foamed glass particles and clay as the main material instead of the conventionally used clay, and solves the above-mentioned conventional problems by pressing and firing the material. We succeeded in obtaining a simple roof tile. If a tile mold is used instead of the tile mold, a lightweight tile can be manufactured. Next, the specific gravity of the lightweight tile is determined by the foamed state and the amount of foamed glass particles. For example, when the specific gravity of foamed glass particles is 0.7, a lightweight roof tile having a specific gravity of 1.27 can be obtained by using 70% of foamed glass particles and 30% of clay (for example, having a specific gravity of 2.6). . If 80% foam glass particles and 20% clay are used, a lightweight roof tile having a specific gravity of 1.08 can be obtained. Therefore, in consideration of the strength of the lightweight roof tile, if the amount of clay used is 10% to 50%, the specific gravity of the lightweight roof tile is 0.89 to 1.65. That is, tiles that float on water are also possible.

前記一例は発泡ガラス粒の比重0.7とした場合であり、この比重を変えることによって瓦の比重を更に変化させることができる。   The above example is a case where the specific gravity of the foamed glass particles is 0.7, and the specific gravity of the roof tile can be further changed by changing this specific gravity.

前記のように、瓦を軽量にしたことによって、瓦を屋根上にセットする場合の安定性が小さくなる可能性もあるので、軽量瓦のセットについては、接着剤の使用又は固定器具の使用など、幾多の工夫を要する。例えば、瓦を下地板に釘打ち固定するか、又は接着剤を使用して接着するなど、適宜対応すればよいことになる。   As mentioned above, the lightness of the tiles may reduce the stability when the tiles are set on the roof. For the setting of lightweight tiles, the use of adhesives or the use of fixing devices, etc. , It takes a lot of ingenuity. For example, the roof tiles may be nail-fixed to the base plate or bonded using an adhesive as appropriate.

前記における発泡ガラス粒は、廃ガラス材を粉砕してガラス粒(例えば0.1mm〜3mm)とし、このガラス粒と発泡剤との混合物を加熱溶融し、これにより発泡ガラス板を製造し、この発泡ガラス板を粉砕して発泡ガラス粒とする。又は前記溶融物を取り出しながら急冷することにより、発泡ガラス粒を得ることもできる。前記発泡ガラス粒を篩別して、同一大きさの発泡ガラス粒とし、適宜使用する。   The foamed glass particles in the above are obtained by pulverizing waste glass material into glass particles (for example, 0.1 mm to 3 mm), heating and melting a mixture of the glass particles and the foaming agent, thereby producing a foamed glass plate, The foam glass plate is pulverized into foam glass particles. Alternatively, the foamed glass particles can be obtained by quenching while taking out the melt. The foamed glass particles are sieved to form foamed glass particles of the same size and used as appropriate.

この考案における粘土とは、粘土鉱物をいう。粘土鉱物は適当な水分が加わると粘着性を示し、可塑性を有し乾燥すると剛性を構成する微細な鉱物で、大部分はSi、Al、Mg、HOを主成分とする層状含水珪酸塩鉱物で、四面体シートと八面体シートの組み合わせの割合により2:1と1:1の二つの構造型に分けられる。前記の他に、層状ないしリボン構造を持つ、セピオライト、パリゴルスカイトや低結晶質ないし非晶質粘土鉱物も存在し、色々の種類がある。前記粘土鉱物は岩石の風化作用や熱水変質により生じ、粘土岩やシルト岩を構成し、粘土鉱床を形成する例が多い。また赤土は、多くの場合火山灰の風化物に由来し、鉄分に富む点が粘土と異なる。然しながら赤土の場合も水分が加わると粘着性を示し、可塑性有し、乾燥すると剛性を示す鉱物で、瓦などを作る土としては粘土と同様である。従ってこの考案においては、用途上粘土の一種として取り扱う。即ち粘土を用いることができる場合には赤土を使ってもよく、赤土を使用する場合に、これを粘土に代えても同様である。 The clay in this invention means a clay mineral. Clay minerals are fine minerals that exhibit tackiness when appropriate moisture is applied, and have plasticity and rigidity when dried. Most of them are layered hydrous silicates containing Si, Al, Mg, and H 2 O as the main components. It is a mineral and can be divided into two structural types, 2: 1 and 1: 1, depending on the combination ratio of tetrahedral sheet and octahedral sheet. In addition to the above, sepiolite, palygorskite and low crystalline or amorphous clay minerals having a layered or ribbon structure also exist, and there are various types. In many cases, the clay mineral is generated by weathering or hydrothermal alteration of rocks, and forms clay or siltstone to form a clay deposit. Red soil is often derived from weathered volcanic ash and is rich in iron. However, in the case of red soil, it is a mineral that exhibits adhesiveness when added with moisture, has plasticity, and exhibits rigidity when dried. Therefore, in this device, it is treated as a kind of clay for use. That is, when clay can be used, red soil may be used, and when red soil is used, it is the same even if it is replaced with clay.

この考案において、ガラス粒と、粘土と、発泡剤とを混合し、成形後焼成する手段をとらないのは、発泡の均一性を確保することが困難なためである。この考案は、前記のように発泡ガラス粒と粘土とを混合するので、両者を均等に混合することは容易であり、これにより均等質の軽量瓦ができるからである。   In this device, glass particles, clay, and a foaming agent are mixed, and the means for firing after molding is not taken because it is difficult to ensure foaming uniformity. In this device, since the foamed glass particles and the clay are mixed as described above, it is easy to mix the two evenly, and thereby a uniform lightweight roof tile can be formed.

この考案における発泡ガラス粒の粒度については限定されないが、嵩比重の関係(例えば嵩比重0.5〜1.5)にすれば粒の大きさは1mm〜5mm程度となる。前記において、ガラス粉100重量部に対し、発泡剤2.5重量部を混入し、通常の要領により製造すれば前記の発泡ガラス粒ができる。   Although there is no limitation on the particle size of the foamed glass particles in this device, the size of the particles is about 1 mm to 5 mm if the relationship of bulk specific gravity (for example, bulk specific gravity 0.5 to 1.5) is used. In the above, if 2.5 parts by weight of the foaming agent is mixed with 100 parts by weight of the glass powder and manufactured in the usual manner, the above-mentioned foamed glass particles can be formed.

次に、この考案により使用する発泡剤としては、カルシウム、アルミナ、炭化珪素、ほう砂その他従来ガラスの発泡に使用できた発泡剤は総て使用することができる。   Next, as the foaming agent used in accordance with the present invention, calcium, alumina, silicon carbide, borax and other foaming agents that can be used for foaming conventional glass can be used.

即ちこの考案によれば、ガラス廃材より得た発泡ガラス粒を主材とし、これに粘土を加えて混合し、この混合物を瓦型に入れて素瓦を加圧成形し、これを取り出して750℃〜850℃で1時間〜5時間焼成したことを特徴とする軽量瓦の製造方法であり、ガラス廃材を粉砕したガラス粒に発泡材を加えて混合し、この混合物を加熱溶融発泡させた後、冷却粉砕して発泡ガラス粒を得て、該発泡ガラス粒を主材とし、これに粘土を加えて混合し、この混合物を瓦型に入れて素瓦を加圧成形し、これを取り出して750℃〜850℃で1時間〜5時間焼成したことを特徴とする軽量瓦である。   That is, according to this device, the foamed glass particles obtained from the waste glass material are used as a main material, and clay is added to and mixed with this. The mixture is placed in a roof mold, the roof tile is pressure-molded, and this is taken out to 750. A method for producing a lightweight roof tile, which is characterized by firing for 1 hour to 5 hours at a temperature of 850 ° C. to 850 ° C., after adding and mixing a foaming material to glass particles obtained by pulverizing glass waste, and heating and melting and foaming the mixture. , Cooled and crushed to obtain foamed glass particles, the foamed glass particles as the main material, clay added to this, mixed, put this mixture into a roof mold, pressure-molding the tile roof, take out this A lightweight roof tile baked at 750 ° C. to 850 ° C. for 1 to 5 hours.

また、発泡ガラス粒の嵩比重を0.7〜1.0とし、前記発泡ガラス粒の適量と、粘土の適量を加えて成形し、これを焼成して比重1.0〜2.0の瓦を製造することを特徴とした請求項1又は2記載の軽量瓦であり、請求項1又は2記載の軽量瓦の外面に遮熱塗料を塗布したことを特徴とする軽量瓦である。   Further, the foam glass particles have a bulk specific gravity of 0.7 to 1.0, molded by adding an appropriate amount of the foam glass particles and an appropriate amount of clay, and fired to form a tile having a specific gravity of 1.0 to 2.0. The lightweight roof tile according to claim 1 or 2, wherein a thermal barrier paint is applied to the outer surface of the lightweight roof tile according to claim 1 or 2.

次に、ガラス廃材より得た発泡ガラス粒を主材とし、これに粘土を加えて混合し、この混合物をタイル型に入れてタイルを加圧成形し、これを750℃〜850℃で1時間〜5時間焼成したことを特徴とする軽量タイルであり、ガラス廃材を粉砕したガラス粒に発泡材を加えて混合し、この混合物を加熱溶融発泡させた後、冷却粉砕して発泡ガラス粒を得て、該発泡ガラス粒を主材とし、これに粘土を加えて混合し、この混合物をタイル型に入れてタイルを加圧成形し、これを750℃〜850℃で1時間〜5時間焼成したことを特徴とする軽量タイルである。   Next, the foamed glass particles obtained from the glass waste material are used as the main material, and clay is added to and mixed with this. The mixture is placed in a tile mold and the tile is pressure-molded, and this is heated at 750 ° C. to 850 ° C. for 1 hour. It is a lightweight tile that has been baked for ~ 5 hours. Add a foaming material to the glass particles obtained by crushing the glass waste material, mix and heat-foam the mixture, then cool and crush to obtain foamed glass particles Then, the foamed glass particles are used as a main material, clay is added thereto, and the mixture is mixed. The mixture is put into a tile mold, and the tile is pressure-molded, and this is fired at 750 to 850 ° C. for 1 to 5 hours. This is a lightweight tile.

この考案によれば、発泡ガラス粒と粘土(赤土も同一)を混合し、これを成形した後焼成したので、求める比重の均質な軽量瓦又は軽量タイルを容易にできる効果がある。   According to this device, foam glass particles and clay (same for red clay) are mixed, molded, and then fired, so that there is an effect that a lightweight tile or a lightweight tile having a uniform specific gravity can be easily obtained.

この考案の粘土として赤土を使用すれば、採色することなく赤色の美麗な瓦を得ることができる効果がある。   If red clay is used as the clay of this invention, there is an effect that a beautiful red roof tile can be obtained without coloration.

またこの考案によれば、求める比重で、かつ均質の軽量瓦を得ることができるので、予め瓦の比重を定めれば屋根の重量を算定し、適切な構造と強度の家屋を得ることができる。例えば地震力を想定すれば、強度計算、設計などを数値的に決定できるので、安全性の高い合理的構造の家屋を建造することができる効果がある。   In addition, according to the present invention, it is possible to obtain a uniform lightweight tile with a specific gravity that is required, so if the specific gravity of the tile is determined in advance, the weight of the roof can be calculated, and a house with an appropriate structure and strength can be obtained. . For example, assuming a seismic force, strength calculation, design, and the like can be determined numerically, so that there is an effect that it is possible to build a house with a highly safe and rational structure.

さらに、瓦又はタイルに塗料を塗布すれば、反射性、断熱性、遮音性に優れた軽量瓦又は軽量タイルを得ることができる効果がある。   Furthermore, when a paint is applied to the tile or tile, there is an effect that a lightweight tile or lightweight tile excellent in reflectivity, heat insulation and sound insulation can be obtained.

前記における発泡ガラス粒は、ガラス廃材を使用し、廃棄していた微粒の赤土を使用することができるので、資源の再生ができる効果がある。   The foamed glass particles in the above use glass waste material, and can use fine red soil that has been discarded, so that there is an effect that resources can be regenerated.

この考案の実施例のブロック図。The block diagram of the Example of this invention. (a)同じく実施瓦の斜視図、(b)同じく実施タイルの斜視図、(c)同じく瓦を下地板上へセットした一部断面拡大図。(A) The perspective view of an implementation tile similarly, (b) The perspective view of an implementation tile similarly, (c) The partial cross-section enlarged view which similarly set the roof tile on the base plate.

この考案は、廃ガラスを粉砕し(例えば0.1mm〜3mm)、これに発泡剤の適量(例えば3〜5%重量部)の発泡剤を加えて均一に混合した後、加熱溶融すると共に発泡させ、ついでこの発泡物に冷水(例えば5℃以下)を噴射して自動粉砕し、更にクラッシャーに掛けて細かい粒子(0.1mm〜3mm)に粉砕する。次にこの粉砕物を篩別して同一粒度毎に集める。   In this device, waste glass is pulverized (for example, 0.1 mm to 3 mm), and an appropriate amount of foaming agent (for example, 3 to 5% by weight) is added to the foaming agent and mixed uniformly. Then, cold water (for example, 5 ° C. or less) is sprayed onto the foamed material to automatically grind it, and further crusher to grind it into fine particles (0.1 mm to 3 mm). Next, this pulverized product is sieved and collected for each same particle size.

前記により得た同一粒度の発泡ガラス粒70%(重量)に、赤土30%(重量)を加えて均一に混合し、この混合物を瓦型に入れて加圧成形して瓦素材とする。この成形物を常温(20℃前後)で乾燥した素瓦を加熱炉に入れて800℃で5時間焼成した後取り出し、自然放冷すればこの考案の軽量瓦ができる。前記赤土に代えて粘土を用いることができる。両者の相違は製品の色彩である。   70% (weight) of foam glass particles having the same particle size obtained above are mixed with 30% (weight) of red clay and mixed uniformly. The mixture is put into a roof mold and pressure-molded to obtain a roof tile material. If this molded product is dried at room temperature (around 20 ° C.), it is put into a heating furnace, baked at 800 ° C. for 5 hours, taken out, and allowed to cool naturally. Clay can be used in place of the red soil. The difference between the two is the product color.

前記軽量瓦は均質発泡であって、軽量(例えば比重1.0〜2.0)である。前記軽量瓦は強度も大きいので、従来の瓦の1/2の厚さまで薄くすることができる。従って発泡による軽量と、厚さの減少により、同一平面形状の瓦でっても、その重量を約1/3にすることができる。即ち、従来通常の大きさの瓦がほぼ3kgあるが、この考案の瓦の重量は1.0kg〜1.5kgとなる(重量1/3〜1/2)。また、タイルの場合も同様である。   The lightweight roof tile is homogeneously foamed and lightweight (for example, a specific gravity of 1.0 to 2.0). Since the lightweight roof tiles have high strength, they can be made as thin as 1/2 the conventional roof tiles. Therefore, the weight of foam can be reduced to about 1/3 even if it is a tile with the same plane shape by the light weight by foaming and the reduction in thickness. That is, there are approximately 3 kg of tiles of normal size in the past, but the weight of the tile of the present invention is 1.0 kg to 1.5 kg (weight 1/3 to 1/2). The same applies to tiles.

素瓦は通常、自然乾燥で水分10%以下に乾燥した後、750℃〜850℃(通常800℃)で1時間〜5時間焼成する。この焼成時間は、焼成状態により異なり、かつ焼成温度により異なる。例えば、温度が750℃に近い場合には、5時間に近くなり、850℃に近い場合には、1時間に近くなるが、材質(例えば発泡粒の割合)により異なる。然しながら、焼成温度750℃以下とか、焼成時間が1時間以下或いは5時間以上になることはない。また、土質、瓦の重さ、形状によっても異なる。   The tile is usually dried by natural drying to a moisture of 10% or less, and then fired at 750 to 850 ° C. (usually 800 ° C.) for 1 to 5 hours. This firing time varies depending on the firing state and varies depending on the firing temperature. For example, when the temperature is close to 750 ° C., it is close to 5 hours, and when it is close to 850 ° C., it is close to 1 hour, but it differs depending on the material (for example, the ratio of foamed particles). However, the firing temperature is not 750 ° C. or lower, and the firing time is not shorter than 1 hour or longer than 5 hours. It also depends on the soil quality, the weight and shape of the roof tile.

前記赤土は、一般に廃棄されている水簸の際生じる微粒の赤土を使用することができるので、廃物の有効利用化ができる。また、発泡ガラス粒は、1mm〜3mmが使用し易く、かつ粒との均等混合も容易である。   As the red soil, fine red soil generated in the case of a discarded water tank can be used, so that the waste can be effectively used. Moreover, 1 mm-3 mm is easy to use a foamed glass grain, and equal mixing with a grain is also easy.

この考案の実施例を図1、2に基づいて説明する。廃ガラス(例えばガラス板、ガラス瓶、ガラス器)を0.1mm〜3mmに粉砕し、その粉砕物10kgに対し、アルミナ300gを加えて均一に混合し、1000℃に加熱して溶融する。ついで前記溶融物を流出させ、これに5℃以下の冷水を噴射して急冷すれば、前記溶融物は自動的に大小の粒子に粉砕されるので、これをクラッシャーにかけて粒度を1mm〜3mmの発泡ガラス粒にし、更に篩別すれば、粒度毎にまとめることができる。   An embodiment of this invention will be described with reference to FIGS. Waste glass (for example, glass plate, glass bottle, glassware) is pulverized to 0.1 mm to 3 mm, 300 g of alumina is added to 10 kg of the pulverized product, mixed uniformly, and heated to 1000 ° C. to melt. Next, if the melt is flowed out and cooled rapidly by spraying cold water of 5 ° C. or less, the melt is automatically pulverized into large and small particles. This is crushed and foamed with a particle size of 1 mm to 3 mm. If it is made into glass granules and further sieved, they can be grouped for each particle size.

前記発泡ガラス粒700g(例えば比重0.8)に廃赤土300g(比重2.6)を加えて均一に混合し、瓦型に入れて加圧成形した後乾燥して素瓦とし、この素瓦を加熱炉に入れて800℃で4時間焼成した後取り出して自然放冷すれば、この考案の軽量瓦ができる。この軽量瓦の比重は1.34であった。   Add 700 g of foamed glass particles (for example, specific gravity of 0.8) to 300 g of waste red clay (specific gravity of 2.6), mix uniformly, put into a roof mold, press mold, dry, and form a roof tile. Is fired at 800 ° C. for 4 hours, then taken out and allowed to cool naturally, the lightweight roof tile of the present invention can be obtained. The specific gravity of this lightweight roof tile was 1.34.

前記瓦は、そのまま使用しても耐候性に優れ、断熱性が大きく、伝熱性が小さいが遮熱塗料を塗布すれば熱特性を更に向上させることができる。   Even if the roof tile is used as it is, it has excellent weather resistance, large heat insulation, and low heat transfer, but if a thermal barrier coating is applied, the thermal characteristics can be further improved.

遮熱塗料としては、例えばランデックスコート(商標、大日技研工業株式会社製)がある。前記遮熱塗料を塗布すれば、遮光性、反射性に優れ、断熱効果があると共に、瓦の平滑性を向上させるので、異物の付着滞留を可及的に少なくすることができる。また、塗料に顔料を混入すれば任意の色彩の着色瓦を得ることができる。   An example of the thermal barrier paint is Landex Coat (trademark, manufactured by Dainichi Giken Co., Ltd.). When the thermal barrier coating is applied, it is excellent in light shielding properties and reflectivity, has a heat insulating effect, and improves the smoothness of the roof tiles, so that foreign matter staying on the surface can be reduced as much as possible. Moreover, if a pigment is mixed in the paint, a colored roof tile having an arbitrary color can be obtained.

前記瓦1は、屋根の下地板2上へ接着又は釘打ち固定する。図中3は発泡ガラス粒、4は赤土(粘土)、5はグラスファイバーである。前記赤土は、水簸時に生じた赤土の微粒子で通常廃棄されるので、廃物の有効利用となる。   The tile 1 is bonded or nail-fixed on the base plate 2 of the roof. In the figure, 3 is foamed glass particles, 4 is red clay (clay), and 5 is glass fiber. Since the red soil is usually discarded as red soil fine particles generated during dredging, the waste is effectively used.

前記遮熱塗料としては、高耐候性があり、水性1液型が好ましく、瓦の表面へ堅固に塗着できると共に、静電付着性がなく、塗着の容易性と、瓦との親和性(剥がれない)がなくてはならない。前記諸性質を具備する塗料ならば何れも使用することができる。   The heat-shielding paint has high weather resistance and is preferably an aqueous one-pack type. It can be firmly applied to the surface of the roof tile, has no electrostatic adhesion, is easy to apply, and has an affinity with the roof tile. (There is no peeling). Any coating material having the above properties can be used.

この考案の他の実施例について説明する。比重0.7の発泡ガラス粒800gに粘土200g(比重2.6)を加えて均一に混合して、これを瓦型で素瓦を成形する。この素瓦を水分20%以下に乾燥する。   Another embodiment of the present invention will be described. 200 g of clay (specific gravity of 2.6) is added to 800 g of foamed glass particles having a specific gravity of 0.7 and mixed uniformly. This tile is dried to a moisture of 20% or less.

前記乾燥済みの素瓦を加熱炉に入れて800℃で4時間焼成した後、取り出して自然放冷すれば比重1.08の軽量瓦1ができる。   If the dried tile is placed in a heating furnace and baked at 800 ° C. for 4 hours, then the tile is taken out and allowed to cool naturally, a lightweight tile 1 having a specific gravity of 1.08 can be obtained.

前記発泡ガラス粒については、多量生産し、粒度を揃え、求めに応じ供給するようにする。例えば、発泡溶融ガラスを自動粉砕させた後にクラッシャーにかけて小粒化し、これを篩別して1mm〜2mm、又は2mm〜3mmなどの粒度毎に分離集積しておけば、求めに応じ使用することができる。   The foamed glass particles are mass-produced, have a uniform particle size, and are supplied as required. For example, if the foamed molten glass is automatically pulverized and then crushed by a crusher, and this is sieved and separated and accumulated for each particle size such as 1 mm to 2 mm or 2 mm to 3 mm, it can be used as required.

発泡率についても適宜定めることができる。例えば、発泡ガラス粒を比重0.7〜0.8、0.9〜1.0などのように比重別に分離しておけば、瓦成形時に適切な比重の発泡ガラス粒を使用して任意の比重の軽量瓦を製造することができる。   The foaming rate can also be determined as appropriate. For example, if foam glass particles are separated by specific gravity, such as specific gravity 0.7-0.8, 0.9-1.0, etc. Lightweight tiles with specific gravity can be manufactured.

この考案の軽量タイルの実施例を説明する。比重0.8の発泡ガラス粒800gに赤土200g(比重2.6)を加えて均一に混合して、これをタイル型に入れて加圧成形し、タイル素材を成形する。   An embodiment of the lightweight tile according to the present invention will be described. 200 g of red clay (specific gravity 2.6) is added to 800 g of foam glass particles having a specific gravity of 0.8 and mixed uniformly, and this is put into a tile mold and press-molded to form a tile material.

前記素タイルを加熱炉に入れて800℃で3時間焼成した後、取り出して自然放冷すれば、比重1.16の軽量タイル6ができる。   If the said element tile is put into a heating furnace and baked at 800 ° C. for 3 hours and then taken out and allowed to cool naturally, a lightweight tile 6 having a specific gravity of 1.16 can be obtained.

前記において赤土を使用したので、製品タイルは薄赤色の美しいタイル6ができる。この場合に発泡ガラス粒は白色であるから、白色粒の間に赤色が介在した地色となり全体として薄赤色となる。また色彩タイルを必要とする場合には、着色した遮熱塗料を塗布すれば、任意の色彩のタイルができる。前記遮熱塗料は必要に応じて塗布するが、塗布により製品価値を向上させることができる。前記遮熱塗料の塗布量は例えば0.5〜1.0kg/mである。 Since red soil is used in the above, the product tile can be a beautiful tile 6 with a light red color. In this case, since the foamed glass particles are white, the color becomes a ground color in which red is interposed between the white particles, and the whole is light red. If a color tile is required, a colored tile can be formed by applying a colored thermal barrier paint. Although the said heat-shielding coating material is apply | coated as needed, product value can be improved by application | coating. The application amount of the thermal barrier paint is, for example, 0.5 to 1.0 kg / m 2 .

1 瓦
2 下地板
3 発泡ガラス粒
4 粘土
5 グラスファイバー
6 タイル
7 接着剤
DESCRIPTION OF SYMBOLS 1 Tile 2 Base plate 3 Foam glass grain 4 Clay 5 Glass fiber 6 Tile 7 Adhesive

Claims (3)

ガラス廃材より得た発泡ガラス粒と、粘土との混合物を瓦型に入れて、加圧成形してなる素瓦を750℃〜850℃で加熱焼成したことを特徴とする軽量建材。   A lightweight building material, wherein a mixture of foamed glass particles obtained from glass waste material and clay is placed in a tile mold and pressure-molded tile tiles are heated and fired at 750 ° C to 850 ° C. 発泡ガラス粒の嵩比重を0.7〜1.50とし、建材の比重を1.0〜2.0としたことを特徴とする請求項1記載の軽量建材。   2. The lightweight building material according to claim 1, wherein the foam glass particles have a bulk specific gravity of 0.7 to 1.50 and a building material has a specific gravity of 1.0 to 2.0. 型を瓦型又はタイル型としたことを特徴とする請求項1記載の軽量建材。   The lightweight building material according to claim 1, wherein the mold is a tile type or a tile type.
JP2012005026U 2012-08-17 2012-08-17 Lightweight building materials Expired - Fee Related JP3179353U (en)

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