JP2021100757A5 - - Google Patents

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Publication number
JP2021100757A5
JP2021100757A5 JP2021032064A JP2021032064A JP2021100757A5 JP 2021100757 A5 JP2021100757 A5 JP 2021100757A5 JP 2021032064 A JP2021032064 A JP 2021032064A JP 2021032064 A JP2021032064 A JP 2021032064A JP 2021100757 A5 JP2021100757 A5 JP 2021100757A5
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Japan
Prior art keywords
crusher
circuit board
printed circuit
final
wind power
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JP2021032064A
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Japanese (ja)
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JP7227287B2 (en
JP2021100757A (en
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Priority claimed from JP2017162787A external-priority patent/JP7171173B2/en
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Priority to JP2021032064A priority Critical patent/JP7227287B2/en
Publication of JP2021100757A publication Critical patent/JP2021100757A/en
Publication of JP2021100757A5 publication Critical patent/JP2021100757A5/ja
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Publication of JP7227287B2 publication Critical patent/JP7227287B2/en
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Claims (6)

プリント基板屑を衝撃式粉砕機により１段階又は２段階で粉砕する第１工程と、
前記プリント基板屑を粉砕した後の粉砕物を最終粉砕機により粉砕する第２工程と、
前記最終粉砕機により粉砕され生成された粉体物を、風力選別機により有価金属を主成分とする粉状物とそれ以外とに分離し、前記粉体物から有価金属を回収する第３工程と、を含み、
１段階又は２段階の前記衝撃式粉砕機と前記最終粉砕機とをコンベアで連結し、前記粉砕物を連続的に搬送し、前記最終粉砕機で得られる粉体物を前記風力選別機の吸引力を利用して、該風力選別機に搬送することで、前記第１工程、前記第２工程及び前記第３工程が、連続的に実施されることを特徴とする、プリント基板屑からの有価金属の回収方法。 The first step of crushing the printed circuit board waste in one or two steps with an impact type crusher,
The second step of crushing the crushed material after crushing the printed circuit board waste by the final crusher, and
A third step of separating the powdered material crushed and produced by the final crusher into a powdery material containing a valuable metal as a main component and a non-powdered material by a wind power sorter, and recovering the valuable metal from the powdered material. And, including
The one-step or two-step impact type crusher and the final crusher are connected by a conveyor, the crushed material is continuously conveyed, and the powder material obtained by the final crusher is sucked by the wind power sorter. Valuable from printed substrate waste, characterized in that the first step, the second step and the third step are continuously carried out by transporting the wind power sorter to the wind power sorter using force. Metal recovery method. 前記最終粉砕機と前記風力選別機を繋ぐ経路中に外気を取り込む取り込み口を設け、前記最終粉砕機で得られる前記粉体物の搬送速度を調整することを特徴とする請求項１に記載のプリント基板屑からの有価金属の回収方法。 The first aspect of claim 1, wherein an intake port for taking in outside air is provided in a path connecting the final crusher and the wind power sorter, and the transport speed of the powder material obtained by the final crusher is adjusted. How to recover valuable metals from printed circuit board scraps. 前記最終粉砕機により平均粒径（Ｄ５０）が２００μｍ〜３６０μｍの粉体物が生成されることを特徴とする請求項１又は２に記載のプリント基板屑からの有価金属の回収方法。 The method for recovering valuable metals from printed circuit board waste according to claim 1 or 2, wherein a powder having an average particle size (D50) of 200 μm to 360 μm is produced by the final pulverizer. 前記衝撃式粉砕機はハンマーミルであることを特徴とする請求項１〜３のいずれか一項に記載のプリント基板屑からの有価金属の回収方法。 The method for recovering valuable metal from printed circuit board waste according to any one of claims 1 to 3, wherein the impact type crusher is a hammer mill. 前記最終粉砕機が衝撃式粉砕機であることを特徴とする請求項１〜４のいずれか一項に記載のプリント基板屑からの有価金属の回収方法。 The method for recovering valuable metal from printed circuit board waste according to any one of claims 1 to 4, wherein the final crusher is an impact type crusher. 前記衝撃式粉砕機はハンマーミル又は高速ハンマーミルであることを特徴とする請求項５に記載のプリント基板屑からの有価金属の回収方法。 The method for recovering valuable metal from printed circuit board waste according to claim 5, wherein the impact type crusher is a hammer mill or a high-speed hammer mill.
JP2021032064A 2017-08-25 2021-03-01 Method and apparatus for recovering valuable metals from printed circuit board waste Active JP7227287B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021032064A JP7227287B2 (en) 2017-08-25 2021-03-01 Method and apparatus for recovering valuable metals from printed circuit board waste

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017162787A JP7171173B2 (en) 2017-08-25 2017-08-25 Method for recovering valuable metals from printed circuit board waste
JP2021032064A JP7227287B2 (en) 2017-08-25 2021-03-01 Method and apparatus for recovering valuable metals from printed circuit board waste

Related Parent Applications (1)

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JP2017162787A Division JP7171173B2 (en) 2017-08-25 2017-08-25 Method for recovering valuable metals from printed circuit board waste

Publications (3)

Publication Number Publication Date
JP2021100757A JP2021100757A (en) 2021-07-08
JP2021100757A5 true JP2021100757A5 (en) 2022-01-11
JP7227287B2 JP7227287B2 (en) 2023-02-21

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Family Applications (2)

Application Number Title Priority Date Filing Date
JP2017162787A Active JP7171173B2 (en) 2017-08-25 2017-08-25 Method for recovering valuable metals from printed circuit board waste
JP2021032064A Active JP7227287B2 (en) 2017-08-25 2021-03-01 Method and apparatus for recovering valuable metals from printed circuit board waste

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2017162787A Active JP7171173B2 (en) 2017-08-25 2017-08-25 Method for recovering valuable metals from printed circuit board waste

Country Status (1)

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JP (2) JP7171173B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110715302B (en) * 2019-10-30 2021-03-09 上海筱启新能源科技有限公司 Construction waste crushing and screening device and method
WO2021090695A1 (en) * 2019-11-06 2021-05-14 ソーラーフロンティア株式会社 Separation method for layered structure
KR102528660B1 (en) * 2022-09-08 2023-05-04 (주)영창에코 Crushing apparatus for scrap

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH084112Y2 (en) * 1991-11-29 1996-02-07 株式会社栗本鐵工所 Dry type fine pulverization and classification equipment
JPH07178385A (en) * 1993-12-24 1995-07-18 Nec Corp Method for recovering valuable matter from printed circuit board
JP2710206B2 (en) * 1994-03-14 1998-02-10 日本電気株式会社 How to collect valuables from printed circuit boards
JP2713231B2 (en) * 1995-05-19 1998-02-16 日本電気株式会社 How to collect valuables from printed circuit boards on which electronic components are mounted
JPH09194959A (en) * 1996-01-22 1997-07-29 Nissei Kogyo Kk Printed circuit board processing system
JP2859576B2 (en) * 1996-02-28 1999-02-17 株式会社御池鐵工所 Solid waste recycling plant for waste
JP3225830B2 (en) * 1996-03-08 2001-11-05 株式会社日立製作所 Foam gas recovery device in foam insulation
JPH11254439A (en) * 1998-03-12 1999-09-21 Yamasho:Kk Industrial waste treatment system
CN1611308A (en) * 2003-10-31 2005-05-04 登峰机械工业有限公司 Copper foil recovery method for circuit board
JP4519458B2 (en) * 2003-12-22 2010-08-04 古河機械金属株式会社 Collection pipe structure of fine powder production equipment
JP6271392B2 (en) * 2014-10-23 2018-01-31 Ｊｘ金属株式会社 Method for recovering valuable metals from abrasive scraps

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