JP3511121B2 - Method and apparatus for recovering plastic from thermoplastic composite - Google Patents

Method and apparatus for recovering plastic from thermoplastic composite

Info

Publication number
JP3511121B2
JP3511121B2 JP01112797A JP1112797A JP3511121B2 JP 3511121 B2 JP3511121 B2 JP 3511121B2 JP 01112797 A JP01112797 A JP 01112797A JP 1112797 A JP1112797 A JP 1112797A JP 3511121 B2 JP3511121 B2 JP 3511121B2
Authority
JP
Japan
Prior art keywords
water
plastic
water tank
melting pot
composite material
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.)
Expired - Fee Related
Application number
JP01112797A
Other languages
Japanese (ja)
Other versions
JPH10202661A (en
Inventor
善利 関口
邦夫 佐々木
健治 西山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP01112797A priority Critical patent/JP3511121B2/en
Publication of JPH10202661A publication Critical patent/JPH10202661A/en
Application granted granted Critical
Publication of JP3511121B2 publication Critical patent/JP3511121B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Disintegrating Or Milling (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】この発明は、ポリエチレンや
ポリプロピレン等の熱可塑性プラスチックと金属からな
る複合材製品の廃棄物から有価物を回収する、いわゆる
廃棄物のマテリアルリサイクル方法に関するものであ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called waste material recycling method for recovering valuable materials from waste of composite material products made of thermoplastics such as polyethylene and polypropylene and metal.

【0002】[0002]

【従来の技術】最近開発された耐震用ポリエチレン管継
手は、図4および図5に示すように、管継手本体(11)の
内部にニクロム線や真鍮ないしは黄銅コイル等から成る
発熱体(12)および電源接続用の端子(13)を埋め込んだも
のである。この管継手の廃品が産業廃棄物として多量に
出て来ており、その効果的な処理方法の開発が要望され
ている。
2. Description of the Related Art A recently developed seismic resistant polyethylene pipe fitting is, as shown in FIGS. 4 and 5, a heating element (12) made of nichrome wire, brass or brass coil, etc. inside the fitting body (11). And a terminal (13) for connecting the power supply is embedded. Since a large amount of waste products of this pipe joint are coming out as industrial waste, development of an effective treatment method is demanded.

【0003】従来、これらの複合材廃棄物からプラスチ
ックと金属を分離回収方法として、窒素ガスのような加
熱不活性ガスによって複合材廃棄物を加熱して同プラス
チックを溶融し、溶融プラスチックを回収する熱処理法
が考え出されている。
Conventionally, as a method of separating and recovering plastic and metal from these composite material wastes, the composite material waste is heated by a heating inert gas such as nitrogen gas to melt the plastics and recover the molten plastic. Heat treatment methods have been devised.

【0004】この方法では溶融プラスチックを水槽中の
冷却水中に滴下し、得られた大きな塊状凝固物を回収す
るために、これを再利用するには前処理として塊状凝固
物の粗破砕が必要であり、そのための動力も必要である
上に、回収した塊状凝固物プラスチックの取扱いが厄介
であった。
In this method, molten plastic is dropped into cooling water in a water tank, and the obtained large lump solidified product is recovered. Therefore, in order to reuse it, coarse crushing of the lumped solidified product is required as a pretreatment. However, the power for that purpose is also required, and it is difficult to handle the collected block coagulated plastic.

【0005】[0005]

【発明が解決しようとする課題】この発明は、上記の点
に鑑み、塊状凝固物の粗破砕前処理が必要でなく、取扱
いが容易な形態のプラスチックを回収することができ
る、熱可塑性プラスチック複合材のプラスチック回収方
法、およびこの方法に使用するプラスチック回収装置を
提供することを目的とする。
SUMMARY OF THE INVENTION In view of the above points, the present invention is a thermoplastic-plastic composite capable of recovering a plastic in a form that is easy to handle without requiring pretreatment for coarse crushing of massive coagulation. An object of the present invention is to provide a method for recovering the plastic material, and a plastic recovery device used for this method.

【0006】[0006]

【課題を解決するための手段】この発明による、熱可塑
性プラスチック複合材のプラスチック回収方法は、熱可
塑性プラスチックと金属から成る複合材の廃棄物を加熱
して同プラスチックを溶融し、溶融プラスチックを回収
するに当たり、系内の気密性を保持しつつ溶融プラスチ
ックを水流ないしは噴射水により急冷し、得られたプラ
スチックフレークを系外へ排出することを特徴とするも
のである。
According to the present invention, there is provided a method of recovering a thermoplastic composite material, in which a waste material of a composite material composed of a thermoplastic and a metal is heated to melt the plastic and recover the molten plastic. In doing so, the molten plastic is rapidly cooled with a water stream or jet water while maintaining the airtightness in the system, and the obtained plastic flakes are discharged to the outside of the system.

【0007】この方法において、溶融釜(1) の底部に垂
下状に設けられかつ下端部が水槽(2) 内の水中に浸漬し
た下行管を通って溶融プラスチックを水槽内の水中に滴
下し、滴下途中で溶融プラスチックを噴射水により急冷
してフレーク化し、水面に浮上したプラスチックフレー
クを排出する方法が好ましい。
In this method, the molten plastic is dripped into the water in the water tank through a descending pipe which is provided in a hanging shape at the bottom of the melting pot (1) and whose lower end is immersed in the water in the water tank (2), A method is preferred in which molten plastic is rapidly cooled with water jet to form flakes during the dropping, and the plastic flakes floating on the water surface are discharged.

【0008】この発明による、熱可塑性プラスチック複
合材のプラスチック回収装置は、熱可塑性プラスチック
複合材を加熱溶融する溶融釜(1) と、溶融釜(1) の下方
に設置された水槽(2) と、溶融釜(1) の底部に垂下状に
設けられかつ下端部が水槽(2) 内の水中に浸漬した下行
管(3) と、下行管(3) の内部に配された多数の噴水ノズ
ル(4) (20)と、水槽(2) の出口部(18)に連絡した搬出用
コンベヤ(6) とからなるものである。
A plastic recovery apparatus for thermoplastic composite materials according to the present invention comprises a melting pot (1) for heating and melting the thermoplastic composite material, and a water tank (2) installed below the melting pot (1). , A descending pipe (3), which is provided in a hanging shape at the bottom of the melting pot (1) and whose lower end is immersed in water in the water tank (2), and a large number of fountain nozzles arranged inside the descending pipe (3). (4) It is composed of (20) and the carry-out conveyor (6) connected to the outlet part (18) of the water tank (2).

【0009】上記装置は、水槽(2) のオーバーフロー水
を噴水ノズル(4) (20)へ循環する循環ライン(7) を具備
することが好ましい。
The above apparatus preferably comprises a circulation line (7) for circulating the overflow water of the water tank (2) to the fountain nozzles (4) (20).

【0010】なお、この明細書において、前後関係は図
1を基本にその左側を前方、右側を後方とする。
In this specification, the front-rear relationship is based on FIG. 1 with the left side as the front and the right side as the rear.

【0011】[0011]

【発明の実施の形態】DETAILED DESCRIPTION OF THE INVENTION

実施例1 この発明の1つの実施例を図1および図2に基づいて説
明する。
Embodiment 1 One embodiment of the present invention will be described with reference to FIGS. 1 and 2.

【0012】この発明によるプラスチック回収方法で用
いるプラスチック回収装置は、熱可塑性プラスチック複
合材を加熱溶融する溶融釜(1) と、溶融釜(1) の下方に
設置された水槽(2) と、溶融釜(1) の底部に垂下状に設
けられかつ下端部が水槽(2)内の水中に浸漬した下行管
(3) と、下行管(3) の内部に配されかつ多数の噴水ノズ
ル(4) を有する給水ヘッダ(5) と、水槽(2) の出口部(1
8)に連絡した搬出用コンベヤ(6) と、水槽(2) のオーバ
ーフロー水を給水ヘッダ(5) へ循環する循環ライン(7)
とから主として構成されている。
The plastic recovery device used in the plastic recovery method according to the present invention comprises a melting pot (1) for heating and melting a thermoplastic composite material, a water tank (2) installed below the melting pot (1), and a melting tank (2). A descending pipe that is provided in a hanging shape at the bottom of the kettle (1) and whose lower end is immersed in the water in the water tank (2).
(3), a water supply header (5) with a large number of fountain nozzles (4) inside the descending pipe (3), and an outlet (1) of the water tank (2).
Conveyor (6) for carrying out, which is in contact with 8), and circulation line (7) for circulating overflow water from the water tank (2) to the water supply header (5).
It is mainly composed of and.

【0013】溶融釜(1) はドラム状であってコーン状の
底部を有し、下端一側にバーナー(8) を備えた加熱炉
(9) 内に配置されている。溶融釜(1) の内部には縦長円
筒状のバケット(10)が収められている。バケット(10)は
金網または多孔板で構成されている。溶融釜(1) は加熱
ガス供給用のジャケット(11)で覆われ、ジャケット(11)
から溶融釜(1) の周壁を貫通してバケット(1) の中心に
向かって複数本の蒸気ノズル(12) が配設されている。
The melting furnace (1) is a drum-shaped heating furnace having a cone-shaped bottom and a burner (8) at one end of the lower end.
It is located in (9). Inside the melting pot (1) is a vertically long cylindrical bucket (10). The bucket (10) is composed of a wire mesh or a perforated plate. The melting pot (1) is covered with a jacket (11) for heating gas supply, and the jacket (11)
A plurality of steam nozzles (12) are arranged from the center of the bucket (1) through the peripheral wall of the melting pot (1).

【0014】下行管(3) は角管状であって、その上端は
溶融釜(1) のコーン状の底部中心に開けられた小径の抜
出し開口(16)に連通し、下行管(3) の加熱炉内通過部分
は耐火材(13)で覆われている。
The descending pipe (3) is a rectangular pipe, and the upper end of the descending pipe (3) communicates with a small-diameter withdrawal opening (16) opened at the center of the cone-shaped bottom of the melting pot (1), and is connected to the descending pipe (3). The passage through the heating furnace is covered with a refractory material (13).

【0015】給水ヘッダ(5) は下行管(3) の下端寄りで
かつ水槽(2) 内の水面よりやや上のレベルに位置し、下
行管(3) の後壁内面に水平に設けられている。下行管
(3) の下端後壁には傾斜状のガイド板(14)が連設されて
いる。ガイド板(14)は前方斜め下向きに配され、その大
部分は水中に没している。給水ヘッダ(5) の多数の噴水
ノズル(4) は長さ方向に等間隔で設けられ、ガイド板(1
4)の傾斜に沿って水を噴射するように傾斜角を有する。
The water supply header (5) is located near the lower end of the descending pipe (3) and at a level slightly above the water surface in the water tank (2), and is installed horizontally on the inner surface of the rear wall of the descending pipe (3). There is. Descending tube
An inclined guide plate (14) is connected to the rear wall of the lower end of (3). The guide plate (14) is arranged diagonally downward and forward, and most of it is submerged in water. The multiple fountain nozzles (4) of the water supply header (5) are evenly spaced in the length direction and the guide plate (1
It has an inclination angle so that water is sprayed along the inclination of 4).

【0016】下行管(3) の下端前壁には傾斜状の絞り板
(15)が水中に没するレベルで設けられている。絞り板(1
5)は後方斜め下向きに配され、その下端とガイド板(14)
との間隔を絞る。
An inclined diaphragm plate is provided on the front wall of the lower end of the descending pipe (3).
(15) is provided at the level of being submerged in water. Aperture plate (1
5) is arranged diagonally backward and downward, its lower end and guide plate (14)
Narrow the space between.

【0017】水槽(2) の前側外部にはその出口部(18)の
下に貯留槽(19)が設けられ、循環ライン(7) は貯留槽(1
9)の底部から水循環ポンプ(17)を介して給水ヘッダ(5)
に配されている。
A storage tank (19) is provided outside the front side of the water tank (2) below the outlet portion (18) thereof, and the circulation line (7) is connected to the storage tank (1).
Water supply header (5) from bottom of 9) via water circulation pump (17)
It is located in.

【0018】上記構成のプラスチック回収装置におい
て、ポリエチレンと金属から成る複合材、例えば図4お
よび図5に示す耐震用ポリエチレン管継手の廃棄物をバ
ケット(10)に入れ、バケット(10)を溶融釜(1) に収め
る。溶融釜(1) のジャケット(11)に水蒸気供給して加熱
炉(9) のバーナー(8) で加熱し、加熱蒸気を複数本の蒸
気ノズル(12)によってバケット(10) 内の管継手廃棄物
に噴射供給する。
In the plastic recovery apparatus having the above construction, a composite material made of polyethylene and metal, for example, waste of seismic resistant polyethylene pipe joints shown in FIGS. 4 and 5 is put into a bucket (10), and the bucket (10) is melted in a melting pot. Put in (1). Steam is supplied to the jacket (11) of the melting kettle (1) and heated by the burner (8) of the heating furnace (9), and the heated steam is discarded by the multiple steam nozzles (12) in the bucket (10). Inject and supply objects.

【0019】その結果、廃棄物を構成するポリエチレン
は融解し、溶融物は溶融釜(1) の底部に落ち、小径の抜
出し開口(16)を経て細長い液滴となり、下行管(3) 内を
滴下する。ついで、溶融物は下行管(3) の下端部で多数
の噴水ノズル(4) から均等に噴射される水によって急冷
されると共にその噴射エネルギーによってフレーク化さ
れる。得られたプラスチックフレークは傾斜状のガイド
板(14)に沿って水槽(2) 内の水中に没し、ガイド板(14)
と絞り板(15)との間を素早く通過した後、水面に浮上す
る。浮上したプラスチックフレークは水槽(2) の出口部
(18)からオーバーフロー水と共に搬出用コンベヤ(6) の
始端部上に流下し、コンベヤ(6) によって所要地点へ搬
出される。こうして系内の気密性を保持しつつ溶融プラ
スチックを急冷フレーク化し、プラスチックフレークを
気密系の外に取出す。他方、オーバーフロー水は貯留槽
(19)に一旦溜まり、ここから水循環ポンプ(17)によって
循環ライン(7) で給水ヘッダ(5) へ循環される。
As a result, the polyethylene constituting the waste is melted, the melt falls to the bottom of the melting pot (1), becomes elongated droplets through the small-diameter withdrawal opening (16), and flows inside the descending pipe (3). Drop it. Then, the melt is rapidly cooled at the lower end of the descending pipe (3) by water evenly jetted from a large number of fountain nozzles (4) and is flaked by the jetting energy. The obtained plastic flakes are submerged in the water in the water tank (2) along the inclined guide plate (14), and the guide plate (14)
It quickly passes between the plate and the diaphragm plate (15), and then levitates to the water surface. The floating plastic flakes are the exit of the aquarium (2).
It flows down from (18) along with the overflow water onto the starting end of the carry-out conveyor (6), and is carried out to the required point by the conveyor (6). Thus, the molten plastic is rapidly cooled into flakes while maintaining the airtightness in the system, and the plastic flakes are taken out of the airtight system. On the other hand, overflow water is stored
It temporarily collects in (19) and is circulated from here to the water supply header (5) by the water circulation pump (17) in the circulation line (7).

【0020】他方、廃棄物を構成するニクロム線または
黄銅等の有価金属はバケット(10)内にそのまま残るの
で、これを回収することができる。得られた有価金属は
ポリエチレンの付着や表面の酸化がなく、したがって例
えば継手製造の金属材料として再利用することができ
る。
On the other hand, the valuable metal such as nichrome wire or brass which constitutes the waste remains in the bucket (10) as it is and can be recovered. The valuable metal obtained has no polyethylene adhesion or surface oxidation and can therefore be reused, for example, as a metallic material for the manufacture of joints.

【0021】実施例2 この発明のもう1つの実施例を図3に基づいて説明す
る。
Embodiment 2 Another embodiment of the present invention will be described with reference to FIG.

【0022】この実施例では、下行管(3) は円管状であ
って、その長さ中央部に周方向に等間隔で複数の噴水ノ
ズル(20)が斜め内向きに設けられ、循環ライン(7) は貯
留槽(19)の底部から水循環ポンプ(17)を介して複数の噴
水ノズル(20)に配されている。
In this embodiment, the descending pipe (3) is a circular pipe, and a plurality of fountain nozzles (20) are provided obliquely inward in the central portion of the length thereof at equal intervals in the circumferential direction, and a circulation line (3) is provided. 7) is distributed from the bottom of the storage tank (19) to a plurality of fountain nozzles (20) via a water circulation pump (17).

【0023】上記構成のプラスチック回収装置では、溶
融ポリエチレンは溶融釜(1) の底部の小径の抜出し開口
(16)を経て細長い液滴となり、ついで下行管(3) 内を滴
下する途中で、複数の噴水ノズル(20)から均等に噴射さ
れる水によって急冷されると共にその噴射エネルギーに
よってフレーク化される。得られたプラスチックフレー
クはそのまま水槽(2) 内の水中に没した後、水面に浮上
する。こうして系内の気密性を保持しつつ溶融プラスチ
ックを急冷フレーク化し、プラスチックフレークを気密
系の外に取出す。
In the plastic recovery apparatus having the above-mentioned structure, the molten polyethylene is a small-diameter extraction opening at the bottom of the melting pot (1).
It becomes a long and narrow droplet through (16), and then is rapidly cooled by the water that is evenly jetted from multiple fountain nozzles (20) while being drip in the descending pipe (3), and is also flaked by the jetting energy. . The obtained plastic flakes are immersed in the water in the water tank (2) as they are, and then float on the surface of the water. Thus, the molten plastic is rapidly cooled into flakes while maintaining the airtightness in the system, and the plastic flakes are taken out of the airtight system.

【0024】その他の構成は、実施例1のものと同じで
ある。
The other structure is the same as that of the first embodiment.

【0025】[0025]

【発明の効果】この発明によれば、系内の気密性を保持
しつつ溶融プラスチックを急冷フレーク化し、プラスチ
ックフレークを気密系の外に取出すことができる。ま
た、得られたプラスチックフレークはそのまま再利用に
共することができ、粗破砕工程が不要である上に、取扱
いが容易である。
According to the present invention, the molten plastic can be turned into a quench flake while keeping the airtightness in the system, and the plastic flake can be taken out of the airtight system. In addition, the obtained plastic flakes can be reused as they are, and the coarse crushing step is not necessary and the handling is easy.

【0026】また、プラスチックの溶融系は上記のごと
く気密性を保持しているので、回収されたニクロム線ま
たは黄銅等の有価金属はプラスチックの付着や表面の酸
化がないものであり、したがって例えば継手製造の金属
材料として再利用することができる。
Further, since the melting system of the plastic retains the airtightness as described above, the valuable metal such as the recovered nichrome wire or brass does not have the adhesion of the plastic or the oxidation of the surface. It can be reused as a metallic material for manufacturing.

【0027】また、水槽のオーバーフロー水を噴水ノズ
ルへ循環する循環ラインを使用する場合は、多量の水量
が必要なく、かつ系外に水を排出することがないので廃
水処理が必要でない。
When a circulation line for circulating overflow water in the water tank to the fountain nozzle is used, a large amount of water is not required and the waste water is not discharged to the outside of the system, so that wastewater treatment is not required.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の実施例1を示す概略図である。FIG. 1 is a schematic diagram showing a first embodiment of the present invention.

【図2】図1中のII−II線に沿う断面図である。FIG. 2 is a sectional view taken along the line II-II in FIG.

【図3】この発明の実施例2を示す概略図である。FIG. 3 is a schematic diagram showing a second embodiment of the present invention.

【図4】耐震用ポリエチレン管継手を示す一部切欠側面
図である。
FIG. 4 is a partially cutaway side view showing a seismic resistant polyethylene pipe joint.

【図5】耐震用ポリエチレン管継手を示す正面図であ
る。
FIG. 5 is a front view showing a seismic resistant polyethylene pipe joint.

【符号の説明】[Explanation of symbols]

1:溶融釜 2:水槽 3:下行管 4:噴水ノズル 5:給水ヘッダ 6:コンベヤ 7:循環ライン 8:バーナー 9:加熱炉 10:バケット 11:ジャケット 12:蒸気ノズル 13:耐火材 14:ガイド板 15:絞り板 16:抜出し開口 17:水循環ポンプ 18:出口部 19:貯留槽 20:噴水ノズル 1: Melting pot 2: Water tank 3: descending tube 4: Fountain nozzle 5: Water supply header 6: Conveyor 7: Circulation line 8: Burner 9: Heating furnace 10: Bucket 11: Jacket 12: Steam nozzle 13: Fireproof material 14: Guide plate 15: diaphragm plate 16: Extraction opening 17: Water circulation pump 18: Exit section 19: Storage tank 20: Fountain nozzle

フロントページの続き (56)参考文献 特開 昭50−36572(JP,A) 実開 昭49−33173(JP,U) 実開 昭47−35069(JP,U) 特公 昭50−757(JP,B1) (58)調査した分野(Int.Cl.7,DB名) B29B 17/00 - 17/02 Continuation of the front page (56) Reference JP-A-50-36572 (JP, A) Actually open 49-33173 (JP, U) Actually open 47-35069 (JP, U) JP-B-50-757 (JP , B1) (58) Fields investigated (Int.Cl. 7 , DB name) B29B 17/00-17/02

Claims (4)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 熱可塑性プラスチックと金属から成る複
合材の廃棄物を加熱して同プラスチックを溶融し、溶融
プラスチックを回収するに当たり、系内の気密性を保持
しつつ溶融プラスチックを水流ないしは噴射水により急
冷し、得られたプラスチックフレークを系外へ排出する
ことを特徴とする、熱可塑性プラスチック複合材のプラ
スチック回収方法。
1. When a waste material of a composite material composed of a thermoplastic and a metal is heated to melt the plastic, and the molten plastic is recovered, the molten plastic is kept in a watertight or jet water state while maintaining airtightness in the system. A method for recovering a plastic from a thermoplastic composite material, which comprises rapidly cooling the plastic flakes and discharging the obtained plastic flakes to the outside of the system.
【請求項2】 溶融釜(1) の底部に垂下状に設けられか
つ下端部が水槽(2)内の水中に浸漬した下行管を通って
溶融プラスチックを水槽内の水中に滴下し、滴下途中で
溶融プラスチックを噴射水により急冷してフレーク化
し、水面に浮上したプラスチックフレークを排出する請
求項1記載の方法。
2. The molten plastic is dripped into the water in the water tank through a descending pipe which is provided at the bottom of the melting pot (1) in a hanging shape and whose lower end is immersed in the water in the water tank (2). 2. The method according to claim 1, wherein the molten plastic is rapidly cooled with jet water to form flakes, and the plastic flakes floating on the water surface are discharged.
【請求項3】 熱可塑性プラスチック複合材を加熱溶融
する溶融釜(1) と、溶融釜(1) の下方に設置された水槽
(2) と、溶融釜(1) の底部に垂下状に設けられかつ下端
部が水槽(2) 内の水中に浸漬した下行管(3) と、下行管
(3) の内部に配された多数の噴水ノズル(4) (20)と、水
槽(2) の出口部(18)に連絡した搬出用コンベヤ(6) とか
らなる、熱可塑性プラスチック複合材のプラスチック回
収装置。
3. A melting pot (1) for heating and melting a thermoplastic composite material, and a water tank installed below the melting pot (1).
(2), the descending pipe (3) which is provided in a hanging shape at the bottom of the melting pot (1) and whose lower end is immersed in the water in the water tank (2), and the descending pipe.
A thermoplastic composite material consisting of a large number of fountain nozzles (4) (20) arranged inside (3) and a carry-out conveyor (6) connected to the outlet (18) of the water tank (2). Plastic recovery device.
【請求項4】 水槽(2) のオーバーフロー水を噴水ノズ
ル(4) (20)へ循環する循環ライン(7) を具備した請求項
3記載の装置。
4. An apparatus according to claim 3, further comprising a circulation line (7) for circulating overflow water of the water tank (2) to the fountain nozzles (4) (20).
JP01112797A 1997-01-24 1997-01-24 Method and apparatus for recovering plastic from thermoplastic composite Expired - Fee Related JP3511121B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP01112797A JP3511121B2 (en) 1997-01-24 1997-01-24 Method and apparatus for recovering plastic from thermoplastic composite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP01112797A JP3511121B2 (en) 1997-01-24 1997-01-24 Method and apparatus for recovering plastic from thermoplastic composite

Publications (2)

Publication Number Publication Date
JPH10202661A JPH10202661A (en) 1998-08-04
JP3511121B2 true JP3511121B2 (en) 2004-03-29

Family

ID=11769361

Family Applications (1)

Application Number Title Priority Date Filing Date
JP01112797A Expired - Fee Related JP3511121B2 (en) 1997-01-24 1997-01-24 Method and apparatus for recovering plastic from thermoplastic composite

Country Status (1)

Country Link
JP (1) JP3511121B2 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2239895B1 (en) * 2004-03-16 2006-12-01 Agustin Mateo Ausejo EQUIPMENT FOR THE TREATMENT OF MATERIALS COMPOSED BY METALS AND POLYMERS, ACHIEVING ITS DISGREGATION AND THE RECOVERY OF ITS COMPONENTS AND DISGREGATION PROCEDURE.
JP4618096B2 (en) * 2005-10-27 2011-01-26 三菱化学株式会社 Waste polymer processing equipment
EP2155924A2 (en) 2007-05-21 2010-02-24 L'air Liquide-societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude New cobalt precursors for semiconductor applications
JP4589944B2 (en) * 2007-06-14 2010-12-01 株式会社日本製鋼所 Granulated material recovery equipment in dechlorination equipment
JP5581524B2 (en) * 2010-07-15 2014-09-03 栄弘 田鎖 Waste tire rubber recycling method and recycling system
JP2013043288A (en) * 2011-08-22 2013-03-04 Jfe Steel Corp Plastic pellet manufacturing equipment
CN104624338B (en) * 2015-03-13 2017-11-10 苏州圣谱拉新材料科技有限公司 One kind is cold and hot to be excited reducing mechanism

Also Published As

Publication number Publication date
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