JPH06219793A - Method for separating film and glass of laminated glass and separator - Google Patents
Method for separating film and glass of laminated glass and separatorInfo
- Publication number
- JPH06219793A JPH06219793A JP3413893A JP3413893A JPH06219793A JP H06219793 A JPH06219793 A JP H06219793A JP 3413893 A JP3413893 A JP 3413893A JP 3413893 A JP3413893 A JP 3413893A JP H06219793 A JPH06219793 A JP H06219793A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- laminated glass
- film
- laminated
- synthetic resin
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/60—Glass recycling
Landscapes
- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、廃車から取り外した合
せガラスあるいは製造工程で発生する不良合せガラスの
膜とガラスの分離方法および分離装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and a device for separating a laminated glass removed from a scrap car or a film of defective laminated glass generated in a manufacturing process and glass.
【０００２】[0002]
【従来の技術】自動車が廃車となった場合や建造物が取
り壊しになった場合、その窓部に取り付けられていたガ
ラスは、その周辺部のゴム材等と一緒にシュレッダーダ
ストとして廃棄されていた。2. Description of the Related Art When an automobile is scrapped or a building is demolished, the glass attached to the window is discarded as shredder dust together with the rubber material and the like around the window. .
【０００３】近年、これらの自動車等の窓ガラスを再利
用することが環境問題や資源の再使用の面から検討され
ており、この場合、例えば自動車のフロントガラスは通
常２枚のガラス板を合成樹脂膜（以下膜とする）で接合
した合せガラスであるため、再使用するためには、ガラ
スと膜とを分離してガラスのみを回収しなければならな
い。In recent years, the reuse of window glass for automobiles and the like has been studied from the viewpoint of environmental problems and resource reuse. In this case, for example, the windshield of an automobile is usually composed of two glass plates. Since it is a laminated glass joined with a resin film (hereinafter referred to as a film), in order to reuse it, it is necessary to separate the glass and the film and recover only the glass.
【０００４】従来、このような合せガラスの分離はロー
ルクラッシャーやインパクトクラッシャーにより、自動
車から取り外した合せガラスを破砕し、ガラスを膜から
分離する方法（特開昭４９−３１７２２号参照）および
旋回気流で合せガラスを粉砕機の内壁に衝突させて破砕
分離する方法などが知られている。Conventionally, such a laminated glass is separated by a roll crusher or an impact crusher to crush the laminated glass removed from the automobile to separate the glass from the membrane (see JP-A-49-31722) and a swirling airflow. It is known that the laminated glass is crushed and separated by colliding the laminated glass with the inner wall of the crusher.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記の
ような方法では前者は破砕後において薄いガラス層が膜
面に残り、分離性能が十分でない。また、後者は破砕後
のガラスが粉状になってしまうと共に、合せ窓ガラスを
そのまま粉砕機に装入すると、膜のために良好な処理が
できないため、あるいは粉砕機への投入サイズに制約が
あるため、事前に所定の大きさに細分化しておかなけれ
ばならない等の欠点を有している。However, in the above-mentioned method, the former is not sufficient in separation performance because the thin glass layer remains on the membrane surface after crushing. In the latter case, the glass after crushing becomes powdery, and if the laminated window glass is put into the crusher as it is, good processing cannot be performed due to the film, or there is a restriction on the size of the glass to be put into the crusher. Therefore, it has a drawback that it must be subdivided into a predetermined size in advance.
【０００６】本発明は、このような問題を解決するため
になされたもので、ガラスの再利用のために自動車から
取り外した合せガラスを破砕し、ガラスを膜から効率良
く分離する方法および分離装置を提供することを目的と
している。The present invention has been made in order to solve such a problem, and is a method and a separating device for crushing laminated glass removed from an automobile for reuse of glass and efficiently separating the glass from the membrane. Is intended to provide.
【０００７】[0007]
【課題を解決するための手段】本発明は、前述の課題を
解決すべくなされたものであり、ガラスと合成樹脂膜と
を層成してなる合せガラスを−１０℃以下に冷却した
後、そのガラスを破砕し合成樹脂膜から分離して回収す
ることを特徴とする合せガラスの膜とガラスの分離方法
を提供するものである。The present invention has been made to solve the above-mentioned problems, and after cooling a laminated glass formed by laminating glass and a synthetic resin film to -10 ° C or lower, A method for separating a laminated glass film and a glass, which comprises crushing the glass and separating and recovering the glass from a synthetic resin film.
【０００８】また、本発明は、ガラスと合成樹脂膜とを
層成してなる合せガラスを冷凍する冷凍ゾーンと、冷凍
ゾーンの下流端部あるいは下流のゾーン外に備えられて
いて少なくとも終端に角部を有する台と、該台の終端角
部近傍に備えられている衝撃子と、合せガラスを冷凍ゾ
ーン外から冷凍ゾーン内を経て台上に向かって搬送する
搬送手段とを少なくとも備え、前記衝撃子が、台上に搬
送されてきた冷凍されている合せガラスが前記終端角部
から所定幅だけせり出した際に、角部に向かって打ち出
されてガラスを破砕することを特徴とする合せガラスの
膜とガラスの分離装置を提供するものである。The present invention is also provided with a freezing zone for freezing laminated glass comprising glass and a synthetic resin film, and a downstream end of the freezing zone or outside the downstream zone, and at least a corner at the end. At least a table having a portion, an impactor provided near a terminal corner portion of the table, and a conveying unit that conveys the laminated glass from outside the freezing zone through the inside of the freezing zone toward the table are provided. When the child is the laminated glass that has been frozen and has been conveyed onto the table, when it protrudes from the terminal corner portion by a predetermined width, it is hammered toward the corner portion and crushes the glass. A membrane and glass separator is provided.
【０００９】以下、図面に基づいて本発明を詳細に説明
する。図１は、本発明における膜とガラスの分離方法の
要部を示す概念図である。破砕すべき合せガラス１を、
予め−１０℃以下、好ましくは−２０℃以下に冷却し、
ガラス２と膜３とがともにこのような温度に達した後、
台４上にその角部から一部はみ出るようにして載置す
る。The present invention will be described in detail below with reference to the drawings. FIG. 1 is a conceptual diagram showing a main part of a method for separating a membrane and glass according to the present invention. Laminated glass 1 to be crushed,
Cooled in advance to -10 ° C or lower, preferably -20 ° C or lower,
After both glass 2 and membrane 3 reach such a temperature,
It is placed on the table 4 with a part thereof protruding from the corner.
【００１０】この合せガラス１を押え具５で保持し、台
４の角部に位置する合せガラスにハンマー等からなる衝
撃子６で衝撃を与え、衝撃子６の衝撃を受けた部分のガ
ラスは、表裏ともガラス２が程度の細片に破砕されて、
これらのガラス片を破砕と同時に膜３から分離して回収
することができる。The laminated glass 1 is held by a presser 5, and the laminated glass positioned at the corners of the base 4 is impacted by an impactor 6 such as a hammer. , The glass 2 was crushed into small pieces on both sides,
These glass pieces can be separated from the membrane 3 and recovered at the same time when they are crushed.
【００１１】ガラスと膜との接着力は膜の組成などによ
り厳密には変わるが、一般には−１０℃以下になるとか
なり低下し、ガラスは膜から分離しやすくなる。合せガ
ラス用の膜として汎用されているポリビニールブチラー
ル膜の場合、−１０℃以下に冷却すればガラスとの接着
力が弱まり所期の目的は達成されるが、−２０℃以下に
冷却すると、ガラスの分離はきわめて良好に得られる。Although the adhesive force between the glass and the film varies strictly depending on the composition of the film and the like, it generally decreases considerably at -10 ° C. or lower, and the glass easily separates from the film. In the case of a polyvinyl butyral film that is widely used as a film for laminated glass, if it is cooled to -10 ° C or less, the adhesive strength with glass is weakened and the intended purpose is achieved, but if it is cooled to -20 ° C or less, The glass separation is very good.
【００１２】さらに、本発明をより効率的に実施するに
は、合せガラスを低温状態に一定時間保持しておくこと
が望ましい。この時間は特に限定されないが、１ないし
数時間が適当である。そして、このような合せガラスの
冷却は、冷凍庫に収容しあるいは冷媒に浸漬して一定時
間保持することにより容易に得られる。Further, in order to carry out the present invention more efficiently, it is desirable to keep the laminated glass in a low temperature state for a certain period of time. This time is not particularly limited, but 1 to several hours is suitable. Then, such cooling of the laminated glass can be easily obtained by storing it in a freezer or immersing it in a refrigerant and holding it for a certain period of time.
【００１３】冷却した合せガラスの最も簡便な破砕は、
尖鋭な角部を有する台上に冷却した合せガラスを載置
し、前記角部を利用してハンマー等の衝撃子でハンマリ
ングする。多量の合せガラスを短時間で処理するには、
ロールクラッシャーやハンマーで機械的に衝撃を与え、
数ｍｍ〜数１０ｍｍの細片に破砕する。The simplest crushing of cooled laminated glass is
The cooled laminated glass is placed on a table having sharp corners, and the corners are used for hammering with an impactor such as a hammer. To process a large amount of laminated glass in a short time,
Mechanical impact with a roll crusher or hammer,
Crush into pieces of several mm to several tens of mm.
【００１４】なお、本発明においてガラスの破砕に使用
する衝撃子は、ガラスに衝撃を与える手段を指称するも
のであり、その形状および衝撃を与える手段は特定され
ない。そして、ガラスが破砕されると同時に膜から分離
するように、衝撃は合せガラスの両面または片面から連
続して与えるのがよい。なお、本発明はガラスの内面に
合成樹脂膜を接合したタイプの合せガラスに対しても全
く同様に適用できる。The impactor used for crushing glass in the present invention means a means for giving an impact to the glass, and its shape and means for giving an impact are not specified. Then, the impact is preferably applied continuously from both sides or one side of the laminated glass so that the glass is fractured and separated from the membrane at the same time. The present invention can be applied to the laminated glass of the type in which the synthetic resin film is bonded to the inner surface of the glass.
【００１５】図２は、本発明の分離装置の一例を示す概
略斜視図である。自動車等から取り外された合せガラス
１は、ベルトコンベヤやロールコンベヤあるいは適当な
角度のついたスロープ等の搬送手段１１によって冷凍ゾ
ーン１３へ搬送される。冷凍ゾーン１３は、好ましくは
−２０℃以下の温度に保たれており、搬送手段１１によ
って搬送されてきた合せガラス１を連続的に処理する場
合には、この冷凍ゾーン１３はトンネル型あるいは塔型
形状の断熱領域内が低温雰囲気となっていて、この領域
内に合せガラス１を移動させることが好ましい。FIG. 2 is a schematic perspective view showing an example of the separating apparatus of the present invention. The laminated glass 1 removed from an automobile or the like is transferred to the freezing zone 13 by a transfer means 11 such as a belt conveyor, a roll conveyor, or a slope with an appropriate angle. The freezing zone 13 is preferably kept at a temperature of −20 ° C. or lower, and when the laminated glass 1 carried by the carrying means 11 is continuously processed, the freezing zone 13 is of a tunnel type or a tower type. It is preferable that the heat insulating region of the shape has a low temperature atmosphere and the laminated glass 1 is moved into this region.
【００１６】冷凍ゾーン１３の下流端部あるいは下流の
ゾーン外には台１５が備えられていて、冷凍ゾーン１３
内で冷凍された合せガラス１は、この台１５上に搬送さ
れる。台１５の終端角部上方には衝撃子１６が備えられ
ていて、台１５上を搬送されてきた合せガラス１が台１
５の終端角部から所定幅だけせり出した際に、この角部
に向かって衝撃子１６が打ち出される。A table 15 is provided at the downstream end of the freezing zone 13 or outside the downstream zone.
The laminated glass 1 frozen inside is conveyed onto the table 15. An impactor 16 is provided above the terminal corner of the table 15, and the laminated glass 1 transported on the table 15 is mounted on the table 1.
When projecting from the end corner of No. 5 by a predetermined width, the impactor 16 is driven toward this corner.
【００１７】なお、この衝撃子１６は、合せガラス１が
台１５の角部より所定幅せり出す毎に所定のタイミング
で打ち出されるようにセットされることが好ましく、ま
た、この所定幅として、合せガラスが台の角部より約５
ｍｍ程度せり出す毎に衝撃子が打ち出されることがガラ
スを膜から十分分離できる点に鑑みて好ましい。It is preferable that the impactor 16 is set so that the laminated glass 1 is hammered at a predetermined timing each time the laminated glass 1 is projected from the corner portion of the base 15 by a predetermined width. Is about 5 from the corner of the stand
It is preferable that the impactor is struck out every about mm so that the glass can be sufficiently separated from the membrane.
【００１８】さらに、衝撃子１６のストロークとして
は、台１５の角部から少なくとも１ｍｍ以内に近づかな
いように調整されることが、膜切れを防止する意味で好
ましく、また、その衝撃力の強さも膜切れが生じないよ
うに適度な強さに調整され、同時にガラスの破砕片の大
きさもその強さによって調整できる。Further, it is preferable that the stroke of the impactor 16 is adjusted so that it does not approach within 1 mm from the corner of the base 15 in order to prevent film breakage, and the strength of the impact force is also high. It is adjusted to an appropriate strength so as not to cause film breakage, and at the same time, the size of the crushed glass fragments can be adjusted by the strength.
【００１９】台１５の下方には簡易分離装置１７および
回収ボックス（図示せず）が備えられていて、衝撃子１
６によって粒状に破砕されたガラスと、原型サイズの膜
とを分離装置に備えられた簡単な篩分け機能によって、
ガラスを回収ボックスに回収することができる。なお、
簡易分離装置１７には、膜をピックアップする機能や気
流によって膜面をクリーニングする機能を付加すること
によって、より効果的にガラスと膜とを分離することが
できるのでさらに好ましい。Below the table 15, a simple separating device 17 and a recovery box (not shown) are provided.
By the simple sieving function provided in the separation device for the glass crushed into particles by 6 and the membrane of the prototype size,
The glass can be collected in a collection box. In addition,
It is more preferable to add a function of picking up the film and a function of cleaning the film surface by the air flow to the simple separation device 17 so that the glass and the film can be separated more effectively.
【００２０】特に、自動車用合せガラスをガラスと膜と
に分離する場合、自動車用合せガラスは一般に曲面形状
を有しているため、図示されているように冷凍ゾーン１
３の上流にプレス装置１２を備えることは、曲面合せガ
ラスを平板状にでき、衝撃子１６によって十分な破砕効
果が得られる点に鑑みて好ましい。In particular, when the laminated glass for automobiles is separated into glass and a film, the laminated glass for automobiles generally has a curved shape, so that the refrigeration zone 1 as shown in the drawing.
It is preferable to provide the pressing device 12 upstream of 3 from the viewpoint that the curved laminated glass can be formed into a flat plate shape and the impactor 16 can obtain a sufficient crushing effect.
【００２１】[0021]
【実施例】ここで、図１に基づいて合せガラスの膜とガ
ラスを分離する実施例を説明する。破砕すべき合せガラ
ス１は、予め−２０℃の冷媒液中に約６時間漬けてお
き、ガラス２と膜３とが−２０℃になった状態で取り出
し、台４に載置する。この合せガラス１を押え具５で保
持し、台４の角部に位置する合せガラス１にハンマーか
らなる衝撃子６で衝撃を与えた。ハンマーの衝撃を受け
た部分のガラスは、表裏ともガラス２が約１０ｍｍ程度
の細片に破砕され、これらのガラス片は破砕と同時に膜
３から分離した。EXAMPLE An example in which a laminated glass film and glass are separated will be described with reference to FIG. The laminated glass 1 to be crushed is soaked in a refrigerant liquid at -20 ° C for about 6 hours in advance, taken out in a state where the glass 2 and the film 3 are at -20 ° C, and placed on the table 4. The laminated glass 1 was held by a retainer 5, and the laminated glass 1 located at the corners of the base 4 was impacted with an impactor 6 made of a hammer. The glass on the front and back sides of the part of the glass that was hit by the hammer was crushed into small pieces of glass 2 having a size of about 10 mm.
【００２２】[0022]
【発明の効果】本発明によれば、−１０℃以下に冷却し
た合せガラスに衝撃を与えて破砕することにより、冷凍
することによって膜の接着力が低下しているので、ガラ
スは破砕と同時に膜から分離してガラスのみを細片の形
態で容易に回収することができる。EFFECTS OF THE INVENTION According to the present invention, the laminated glass cooled to −10 ° C. or less is impacted and crushed, so that the adhesive strength of the film is lowered by freezing. Only the glass can be easily recovered in the form of strips separated from the membrane.
【００２３】さらに、本発明における分離装置による一
連の工程によって、車体等から取り外されたそのままの
状態で、簡便に合せガラスのガラスと膜とを分離でき、
ガラスの再利用のためのガラスの回収が可能となる。Furthermore, the glass of the laminated glass and the membrane can be easily separated in a state of being removed from the vehicle body etc. by a series of steps by the separating apparatus according to the present invention,
Glass can be recovered for reuse.
【図１】本発明における膜とガラスの分離方法の要部を
示す概念図FIG. 1 is a conceptual diagram showing an essential part of a method for separating a membrane and glass according to the present invention.
【図２】本発明分離装置の一例を示す概略斜視図FIG. 2 is a schematic perspective view showing an example of the separation device of the present invention.
１：合せガラス ２：ガラス ３：合成樹脂膜 ４、１５：台 ６、１６：衝撃子 １１：搬送手段 １３：冷凍ゾーン 1: Laminated glass 2: Glass 3: Synthetic resin film 4, 15: Stand 6, 16: Impactor 11: Conveying means 13: Freezing zone
Claims (3)
ガラスを−１０℃以下に冷却した後、そのガラスを破砕
し合成樹脂膜から分離して回収することを特徴とする合
せガラスの膜とガラスの分離方法。1. A laminated glass comprising laminated glass and synthetic resin film, cooled to −10 ° C. or lower, and then crushed and separated from the synthetic resin film to be recovered. Method for separating membrane and glass.
ガラスを−１０℃以下に所定時間保持した後、この合せ
ガラスに衝撃子で衝撃を付与し、ガラスを破砕と同時に
膜から分離して回収することを特徴とする請求項１の合
せガラスの膜とガラスの分離方法。2. A laminated glass formed by laminating glass and a synthetic resin film is kept at -10 ° C. or lower for a predetermined time, and then an impactor is applied to the laminated glass to crush the glass and remove it from the film at the same time. The method for separating a laminated glass film from glass according to claim 1, wherein the method comprises separating and recovering.
ガラスを冷凍する冷凍ゾーンと、冷凍ゾーンの下流端部
あるいは下流のゾーン外に備えられていて少なくとも終
端に角部を有する台と、該台の終端角部近傍に備えられ
ている衝撃子と、合せガラスを冷凍ゾーン外から冷凍ゾ
ーン内を経て台上に向かって搬送する搬送手段とを少な
くとも備え、前記衝撃子が、台上に搬送されてきた冷凍
されている合せガラスが前記終端角部から所定幅だけせ
り出した際に、角部に向かって打ち出されてガラスを破
砕することを特徴とする合せガラスの膜とガラスの分離
装置。3. A freezing zone for freezing laminated glass formed by laminating glass and a synthetic resin film, and a base provided at the downstream end of the freezing zone or outside the downstream zone and having a corner at least at the end. And an impactor provided near the terminal corner of the table, and a transport means for transporting the laminated glass from the outside of the freezing zone through the inside of the freezing zone toward the table, the impactor comprising: When the frozen laminated glass that has been conveyed above protrudes from the terminal corner portion by a predetermined width, it is punched toward the corner portion and crushes the glass. Separation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3413893A JPH06219793A (en) | 1993-01-29 | 1993-01-29 | Method for separating film and glass of laminated glass and separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3413893A JPH06219793A (en) | 1993-01-29 | 1993-01-29 | Method for separating film and glass of laminated glass and separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06219793A true JPH06219793A (en) | 1994-08-09 |
Family
ID=12405861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3413893A Pending JPH06219793A (en) | 1993-01-29 | 1993-01-29 | Method for separating film and glass of laminated glass and separator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06219793A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002248371A (en) * | 2001-02-23 | 2002-09-03 | Asahi Glass Co Ltd | Laminated glass crushing apparatus |
| US7909959B2 (en) | 2003-04-14 | 2011-03-22 | Sekisui Chemical Co., Ltd. | Method for releasing adhered article |
| CN110947489A (en) * | 2019-11-22 | 2020-04-03 | 方国亮 | Temperature difference crusher for crushing TFT glass substrate |
-
1993
- 1993-01-29 JP JP3413893A patent/JPH06219793A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002248371A (en) * | 2001-02-23 | 2002-09-03 | Asahi Glass Co Ltd | Laminated glass crushing apparatus |
| JP4623405B2 (en) * | 2001-02-23 | 2011-02-02 | 旭硝子株式会社 | Laminated glass crusher |
| US7909959B2 (en) | 2003-04-14 | 2011-03-22 | Sekisui Chemical Co., Ltd. | Method for releasing adhered article |
| CN110947489A (en) * | 2019-11-22 | 2020-04-03 | 方国亮 | Temperature difference crusher for crushing TFT glass substrate |
| CN110947489B (en) * | 2019-11-22 | 2021-11-09 | 郑军锋 | Temperature difference crusher for crushing TFT glass substrate |
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