JP2001302262A - Lightweight and high strength recycled glass foam using wasted cast sand - Google Patents
Lightweight and high strength recycled glass foam using wasted cast sandInfo
- Publication number
- JP2001302262A JP2001302262A JP2000122632A JP2000122632A JP2001302262A JP 2001302262 A JP2001302262 A JP 2001302262A JP 2000122632 A JP2000122632 A JP 2000122632A JP 2000122632 A JP2000122632 A JP 2000122632A JP 2001302262 A JP2001302262 A JP 2001302262A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- lightweight
- molding sand
- waste
- bottles
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 48
- 239000006260 foam Substances 0.000 title claims abstract description 25
- 239000004576 sand Substances 0.000 title claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 35
- 239000002002 slurry Substances 0.000 claims abstract description 12
- 239000011230 binding agent Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000003110 molding sand Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 235000019353 potassium silicate Nutrition 0.000 claims description 9
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 10
- 239000004566 building material Substances 0.000 abstract description 3
- 239000002440 industrial waste Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000007873 sieving Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 18
- 238000005266 casting Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010922 glass waste Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/08—Other methods of shaping glass by foaming
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本願発明は、一般廃棄物である回
収ガラスビン（特に色付きガラスビン）を粉砕した時発
生する２００メッシュ以下のガラス粉と鋳物工場内にて
発生する鋳物砂微粉を主原料とした独立気孔を有す軽量
・高強度リサイクルガラス発泡体に関するものであり、
資源の有効利用を目的とすると共に断熱効果を有す、土
木建築資材を提供することを目的とした廃鋳物砂利用の
軽量・高強度リサイクルガラス発泡体及びその製造方法
に関するものである。BACKGROUND OF THE INVENTION The present invention relates mainly to a glass waste of 200 mesh or less which is generated when a recovered glass bottle (especially a colored glass bottle), which is a general waste, is pulverized, and a fine molding sand powder generated in a foundry. Lightweight and high-strength recycled glass foam with isolated pores
The present invention relates to a lightweight and high-strength recycled glass foam utilizing waste casting sand for the purpose of providing civil engineering and building materials having the heat insulation effect and the effective use of resources, and a method for producing the same.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】回収ガ
ラスビンのうち色付きガラスビンは、ビンとしての再生
が困難であり、粉砕後粒状のものは道路舗装材、壁材、
装飾品等にリサイクルされている。又、粉状のものは、
カーボン等発泡材を添加し、発泡ガラスとして軽量骨材
又は断熱材として製品化されている。この粉状のガラス
リサイクル製品である軽量骨材又は断熱材は強度的に曲
げ強度が２〜３kgｆ/ｃｍ2程度であり、一般建材として
の適用は難しい。廃鋳物砂に関しては現状では産業廃棄
物として処分するしか方法がなくその利用方法の出現が
渇望されていた。2. Description of the Related Art Of the recovered glass bottles, colored glass bottles are difficult to regenerate as bottles, and granular ones after pulverization include road pavement materials, wall materials, and the like.
It is recycled into decorative items. In addition, powdery
It has been commercialized as a lightweight aggregate or a heat insulating material as a foamed glass by adding a foaming material such as carbon. The light-weight aggregate or heat insulating material, which is a recycled glass product in powder form, has a flexural strength of about 2 to 3 kgf / cm 2 in terms of strength, and is difficult to apply as a general building material. At present, there is no other way but to dispose of waste foundry sand as industrial waste, and there has been a longing for the emergence of a method of using it.
【０００３】[0003]
【課題を解決するための手段】本発明者は、上記課題を
解決すべく鋭意研究を行なった結果、２００メッシュ以
下のガラス粉に無機結合材中に廃鋳物砂を添加したスラ
リー液を添加混合し、加圧成形後乾燥し、それを加熱す
ることに依って軽量・高強度リサイクルガラス発泡体を
製造することに成功した。Means for Solving the Problems The present inventor has conducted intensive studies to solve the above-mentioned problems, and as a result, added a slurry liquid obtained by adding waste molding sand to an inorganic binder to glass powder of 200 mesh or less. Then, they were pressed, dried and heated to produce a lightweight and high-strength recycled glass foam.
【０００４】すなわち、本願発明は以下のものである。 （１）主原料が、一般廃棄物である回収ガラスビンの粉
砕粒（以下ガラス粉と呼ぶ）及び鋳物工場内にて発生す
る鋳物砂微粉であって集塵機に依り捕集される廃鋳物砂
粉体（以下廃鋳物砂と呼ぶ）であることを特徴とする廃
鋳物砂利用の軽量・高強度リサイクルガラス発泡体。 （２）２００メッシュ以下のガラス粉に無機結合材中に
廃鋳物砂を添加混合したスラリー液を添加混合し、加圧
成形後乾燥しその後加熱してなることを特徴とする廃鋳
物砂利用の軽量・高強度リサイクルガラス発泡体。 （３）無機結合材が水ガラスであることを特徴とする請
求項２記載廃鋳物砂利用の軽量・高強度リサイクルガラ
ス発泡体。That is, the present invention is as follows. (1) The main raw materials are crushed particles (hereinafter, referred to as glass powder) of recovered glass bottles, which are general wastes, and fine foundry sand generated in a foundry, and waste cast sand powder collected by a dust collector. (Hereinafter referred to as waste foundry sand). A lightweight and high-strength recycled glass foam utilizing waste foundry sand. (2) A slurry liquid obtained by adding and mixing waste molding sand in an inorganic binder to glass powder of 200 mesh or less, drying after molding under pressure, and then heating. Lightweight, high-strength recycled glass foam. (3) The lightweight and high-strength recycled glass foam utilizing waste foundry sand according to claim 2, wherein the inorganic binder is water glass.
【０００５】（４）２００メッシュ以下のガラス粒１０
０重量パーセントに対して水ガラス１００重量パーセン
トに対して廃鋳物砂５０〜１００重量パーセント添加混
合したスラリー液５〜１５重量パーセントを添加混合す
る。その混合物を加圧成形し乾燥後７５０〜８００℃の
温度で加熱することを特徴とする廃鋳物砂利用の軽量・
高強度リサイクルガラス発泡体の製造方法。(4) Glass particles 10 of 200 mesh or less
5 to 15% by weight of the slurry liquid mixed with 50 to 100% by weight of the waste molding sand is added and mixed with 100% by weight of water glass with respect to 0% by weight. The mixture is molded under pressure, dried and then heated at a temperature of 750 to 800 ° C.
Manufacturing method of high strength recycled glass foam.
【０００６】上記、本願発明である主原料として使用す
る２００メッシュ以下のガラス粉は一般廃棄物であるが
回収ガラスビンのうち、リサイクル用として粉砕される
時に発生するものでありリサイクル方法が難しいといわ
れているものである。又、廃鋳物砂は、鋳物工場内にて
発生する粉塵を電気集塵器等で捕集したものであるが、
現状では産業廃棄物として処分しているものである。こ
のことから資源の有効活用と環境保全に大いに貢献する
ものである。The above-mentioned glass powder of 200 mesh or less used as a main raw material of the present invention is a general waste, but is generated when the recovered glass bottle is crushed for recycling, and it is said that the recycling method is difficult. Is what it is. In addition, waste foundry sand is dust collected in a foundry using an electric dust collector, etc.
At present, it is disposed of as industrial waste. This greatly contributes to the effective use of resources and environmental conservation.
【０００７】本願発明で無機結合材に水ガラスを使用す
る理由は、取扱いが簡単でコスト的にも安く、成形助材
として十分効果を示す。The reason why water glass is used as the inorganic binder in the present invention is that it is easy to handle and inexpensive, and shows a sufficient effect as a molding aid.
【０００８】本願発明において、廃鋳物砂を発泡材とし
て使用するが、これは良質な珪砂にカーボンがコーティ
ングされた状態のものであり、単なるカーボン粉末を発
泡材として使用する場合に比べ作業場の汚染が少なく、
又、粒子径が安定している為発泡状態が良好である。In the present invention, waste casting sand is used as a foaming material. This is a state in which carbon is coated on high quality silica sand, and the workplace is less contaminated than a case where only carbon powder is used as a foaming material. Less,
Further, since the particle diameter is stable, the foaming state is good.
【０００９】[0009]
【発明の実施の形態】本願発明の廃鋳物砂利用の軽量・
高強度リサイクルガラス発泡体は、木工用ノコギリでも
簡単に切断出来る。又、切断後の残材は粉砕し、軽量連
通多孔体の製造材料として再使用が可能である。BEST MODE FOR CARRYING OUT THE INVENTION The present invention uses a lightweight and
High-strength recycled glass foam can be easily cut with a saw for woodworking. Further, the remaining material after cutting is pulverized and can be reused as a material for producing a lightweight communicating porous body.
【００１０】次に、本願発明の形態を図１に示す廃鋳物
砂利用の軽量・高強度リサイクルガラス発泡体の製造工
程に基づいて説明する。２００メッシュー以下のガラス
粉１１００重量パーセントに対して水ガラス２１００重
量パーセントに対して廃鋳物砂３を５０〜１００重量パ
ーセント添加混合したスラリー液４を５〜１５重量パー
セント添加混合する。その混合物５を型内に入れ加圧成
形し成形物６を得る。この成形物６を乾燥した乾燥物７
を７５０〜８００℃の温度で加熱し発泡物８を得る。こ
の発泡物８は内部に独立気泡９を有するものである。こ
の発泡物８を切断又は研磨し廃鋳物砂利用の軽量・高強
度リサイクルガラス発泡体１０を得る。Next, an embodiment of the present invention will be described based on a manufacturing process of a lightweight and high-strength recycled glass foam using waste casting sand shown in FIG. A slurry liquid 4 obtained by adding and mixing 50 to 100% by weight of the waste molding sand 3 to 1100% by weight of water glass and 1100% by weight of glass powder of 200 mesh or less is added and mixed by 5 to 15% by weight. The mixture 5 is placed in a mold and pressure-molded to obtain a molded product 6. A dried product 7 obtained by drying the molded product 6
Is heated at a temperature of 750 to 800 ° C. to obtain a foam 8. This foam 8 has closed cells 9 inside. The foam 8 is cut or polished to obtain a lightweight and high-strength recycled glass foam 10 using waste molding sand.
【００１１】次に、本発明に依る廃鋳物砂利用の軽量・
高強度リサイクルガラス発泡体の製造の実施例を説明す
る。 実施例１：２００メッシュ以下のガラス粉１００重量パ
ーセントに対して、水ガラス１００重量パーセントに対
して２８〜４８メッシュの廃鋳物砂を１００重量パーセ
ント添加混合したスラリー液を５重量パーセント添加混
合したものを型内に入れ加圧成形した後乾燥した。それ
を８００℃にて１時間加熱した。これに依り製造された
廃鋳物砂利用の軽量・高強度リサイクルガラス発泡体
は、 カサ比重が０．５４ 曲げ強度が４４ｋｇｆ／平方センチメートル の物性を有するものであった。[0011] Next, the light weight of the waste casting sand according to the present invention is reduced.
An example of manufacturing a high-strength recycled glass foam will be described. Example 1: 100% by weight of glass powder of 200 mesh or less, 100% by weight of water glass and 100% by weight of waste molding sand of 28 to 48 mesh were added and mixed with 5% by weight of a slurry liquid. Was placed in a mold, pressed, and dried. It was heated at 800 ° C. for 1 hour. The lightweight and high-strength recycled glass foam using waste foundry sand produced in this manner had a bulk specific gravity of 0.54 and a bending strength of 44 kgf / cm 2.
【００１２】実施例２：２００メッシュ以下のガラス粉
１００重量パーセントに対し水ガラス１００重量パーセ
ントに対して４８〜１００メッシュの廃鋳物砂を１００
重量パーセント添加混合したスラリー液を１０重量パー
セント添加混合したものを型内に入れ加圧成形した後乾
燥した。それを８００℃にて1時間加熱した。これに依
り製造された廃鋳物砂利用の軽量・高強度リサイクルガ
ラス発泡体は、 カサ比重が０．５６、 曲げ強度が４８ｋｇｆ／平方センチメートル の物性を有するものであった。Example 2: 100 to 100% by weight of water glass and 100 to 100% by weight of glass powder having a size of 200 mesh or less, 100 to 100% by weight of waste molding sand of 48 to 100 mesh were used.
A slurry liquid having 10% by weight of the slurry liquid added and mixed by weight percent was put in a mold, pressed, and dried. It was heated at 800 ° C. for 1 hour. The lightweight and high-strength recycled glass foam produced by using the waste casting sand produced according to the method had physical properties with a bulk specific gravity of 0.56 and a bending strength of 48 kgf / cm 2.
【００１３】[0013]
【図１】本発明実施の形態の廃鋳物砂利用の軽量・高強
度リサイクルガラス発泡体FIG. 1 is a lightweight and high-strength recycled glass foam utilizing waste foundry sand according to an embodiment of the present invention.
１：２００メッシュ以下のガラス粒 ２：水ガラス ３：廃鋳物砂 ４：スラリー液 ５：混合物 ６：成形物 ７：乾燥物 ８：発泡物 ９：独立気泡 １０：廃鋳物砂利用の軽量・高強度リサイクルガラス発
泡体1: Glass particles of 200 mesh or less 2: Water glass 3: Waste molding sand 4: Slurry liquid 5: Mixture 6: Molded product 7: Dried product 8: Foam 9: Closed cell 10: Light weight and high utilization of waste molding sand Strength recycled glass foam
Claims (4)
ビンの粉砕粒（以下ガラス粉と呼ぶ）及び鋳物工場内に
て発生する鋳物砂微粉であって集塵機に依り捕集される
廃鋳物砂粉体（以下廃鋳物砂と呼ぶ）であることを特徴
とする廃鋳物砂利用の軽量・高強度リサイクルガラス発
泡体。The main raw materials are crushed particles (hereinafter referred to as glass powder) of recovered glass bottles, which are general wastes, and fine molding sand generated in a foundry, and waste molding sand collected by a dust collector. A lightweight and high-strength recycled glass foam utilizing waste molding sand, which is a powder (hereinafter referred to as waste molding sand).
合材中に廃鋳物砂を添加混合したスラリー液を添加混合
し、加圧成形後乾燥しその後加熱してなることを特徴と
する廃鋳物砂利用の軽量・高強度リサイクルガラス発泡
体。2. A waste molding sand obtained by adding and mixing a slurry liquid obtained by adding and mixing waste molding sand to an inorganic binder to glass powder having a size of 200 mesh or less, pressing, drying, and then heating. Lightweight and high-strength recycled glass foam for use.
とする請求項２記載の廃鋳物砂利用の軽量・高強度リサ
イクルガラス発泡体。3. The lightweight and high-strength recycled glass foam using waste foundry sand according to claim 2, wherein the inorganic binder is water glass.
量パーセントに対して水ガラス１００重量パーセントに
対して廃鋳物砂５０〜１００重量パーセント添加混合し
たスラリー液５〜１５重量パーセントを添加混合する。
その混合物を加圧成形し乾燥後７５０〜８００℃の温度
で加熱することを特徴とする廃鋳物砂利用の軽量・高強
度リサイクルガラス発泡体の製造方法。4. A slurry liquid is added and mixed with 50 to 100% by weight of waste molding sand and 100 to 100% by weight of water glass with respect to 100% by weight of glass particles having a size of 200 mesh or less.
A method for producing a lightweight and high-strength recycled glass foam utilizing waste molding sand, wherein the mixture is molded under pressure, dried and then heated at a temperature of 750 to 800 ° C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000122632A JP2001302262A (en) | 2000-04-24 | 2000-04-24 | Lightweight and high strength recycled glass foam using wasted cast sand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000122632A JP2001302262A (en) | 2000-04-24 | 2000-04-24 | Lightweight and high strength recycled glass foam using wasted cast sand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001302262A true JP2001302262A (en) | 2001-10-31 |
Family
ID=18633085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000122632A Pending JP2001302262A (en) | 2000-04-24 | 2000-04-24 | Lightweight and high strength recycled glass foam using wasted cast sand |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001302262A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2565261A (en) * | 2017-01-05 | 2019-02-13 | Gent Tim | A glass Briquette forming system |
| CN113620609A (en) * | 2021-08-27 | 2021-11-09 | 中国铝业股份有限公司 | A kind of foam glass and preparation method thereof |
-
2000
- 2000-04-24 JP JP2000122632A patent/JP2001302262A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2565261A (en) * | 2017-01-05 | 2019-02-13 | Gent Tim | A glass Briquette forming system |
| GB2565261B (en) * | 2017-01-05 | 2021-05-19 | Gent Tim | A glass Briquette forming system |
| CN113620609A (en) * | 2021-08-27 | 2021-11-09 | 中国铝业股份有限公司 | A kind of foam glass and preparation method thereof |
| CN113620609B (en) * | 2021-08-27 | 2022-11-01 | 中国铝业股份有限公司 | Foam glass and preparation method thereof |
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