JP6876983B2 - 樹脂判定方法及び装置 - Google Patents
樹脂判定方法及び装置 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
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- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/44—Resins; Plastics; Rubber; Leather
- G01N33/442—Resins; Plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0054—Sorting of waste or refuse
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0203—Separating plastics from plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/02—Separating plastics from other materials
- B29B2017/0213—Specific separating techniques
- B29B2017/0279—Optical identification, e.g. cameras or spectroscopy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
- G01N2021/3572—Preparation of samples, e.g. salt matrices
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Description
選別対象物(言い換えれば樹脂判定対象物)における判定対象面として載置面もしくは載置面反対側の面の粗さを処理部で処理して、前記選別対象物の前記判定対象面の面積の50%以上が、算術平均粗さRaが0.025以上の領域とし、
前記処理部で処理済みの前記選別対象物を載置部の対象物載置面上に載置し、
前記載置部の前記載置面に載置された前記選別対象物に赤外光を照射部から照射し、
前記赤外光が照射された前記選別対象物からの反射光を受光部で受光し、
前記受光部により受光された前記反射光によって得られた反射又は吸収スペクトルによって、前記選別対象物の樹脂種を演算処理部で判定する。
選別対象物(言い換えれば樹脂判定対象物)における判定対象面として載置面もしくは載置面反対側の面が、当該面の面積の50%以上が、算術平均粗さRaが0.025以上の領域となるように処理する処理部と、
前記処理部で処理済みの前記選別対象物が載置される対象物載置面を有する載置部と、
前記載置部の前記載置面に載置された前記選別対象物に赤外光を照射する照射部と、
前記載置部の前記載置面の上方に配置されて、前記照射部から前記赤外光が照射された前記選別対象物からの反射光を前記選別対象物の上方で受光する受光部と、
前記受光部により受光された前記反射光に基づく前記選別対象物の反射又は吸収スペクトルから、前記選別対象物の樹脂種を判定する演算処理部と、を備える。
選別対象物載置面5aの汚れ又は傷の影響を受けにくくなり、高精度判定が可能である。
2 樹脂体
2a 透明樹脂体
2c 下面
2d 上面
3 照射光
4 反射光
5 載置部
5a 選別対象物載置面
6,61,64,63 処理部
6a 粗面部
7 検出領域
8 赤外線検出ユニット
8a 照射部
8b 受光部
9 デジタルデータ変換部
10 演算処理部
10a スペクトル強度取得部
10b スペクトル評価部
10c 樹脂判定部
55a 選別対象物載置面
61a 粗面部
61g 駆動装置
61h 保持枠
62 ボール
62a 粗面部
63a 粗面部
63g 駆動装置
64g 容器
64h 駆動装置
Claims (6)
- 選別対象物における判定対象面として載置面もしくは載置面反対側の面の粗さを処理部で処理して、前記選別対象物の前記判定対象面の面積の50%以上が、算術平均粗さRaが0.025以上の領域とし、
前記処理部で処理済みの前記選別対象物を載置部の対象物載置面上に載置し、
前記載置部の前記載置面に載置された前記選別対象物に赤外光を照射部から照射し、
前記赤外光が照射された前記選別対象物からの反射光を受光部で受光し、
前記受光部により受光された前記反射光によって得られた反射又は吸収スペクトルによって、前記選別対象物の樹脂種を演算処理部で判定する、樹脂判定方法。 - 前記赤外光の有効波長領域は1μm以上でかつ3μm以下である、請求項1に記載の樹脂判定方法。
- 前記処理部での前記選別対象物の前記処理は、前記処理部として算術平均粗さRaが1.6以上でかつ160以下の粗面部を、前記選別対象物の前記載置面もしくは前記載置面反対側の面に3秒以上接触させる、請求項1または2に記載の樹脂判定方法。
- 選別対象物における判定対象面として載置面もしくは載置面反対側の面が、当該面の面積の50%以上が、算術平均粗さRaが0.025以上の領域となるように処理する処理部と、
前記処理部で処理済みの前記選別対象物が載置される対象物載置面を有する載置部と、
前記載置部の前記載置面に載置された前記選別対象物に赤外光を照射する照射部と、
前記載置部の前記載置面の上方に配置されて、前記照射部から前記赤外光が照射された前記選別対象物からの反射光を前記選別対象物の上方で受光する受光部と、
前記受光部により受光された前記反射光に基づく前記選別対象物の反射又は吸収スペクトルから、前記選別対象物の樹脂種を判定する演算処理部と、を備える樹脂判定装置。 - 前記赤外光の有効波長領域は1μm以上でかつ3μm以下である、請求項4に記載の樹脂判定装置。
- 前記処理部は、算術平均粗さRaが1.6以上でかつ160以下の粗面部を有し、前記粗面部を前記選別対象物の前記載置面もしくは前記載置面反対側の面に3秒以上接触させて前記処理を行う、請求項4または5に記載の樹脂判定装置。
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JP2018209900A JP6876983B2 (ja) | 2018-11-07 | 2018-11-07 | 樹脂判定方法及び装置 |
US16/664,448 US11047797B2 (en) | 2018-11-07 | 2019-10-25 | Resin determination method and apparatus |
EP19205581.2A EP3650188A1 (en) | 2018-11-07 | 2019-10-28 | Resin determination method and apparatus |
CN201911051412.7A CN111157483B (zh) | 2018-11-07 | 2019-10-30 | 透明树脂判定方法以及装置 |
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JPH09105724A (ja) * | 1995-08-04 | 1997-04-22 | Kobe Steel Ltd | 表面検査装置 |
EP0774654B1 (en) | 1995-11-20 | 2000-01-12 | Perkin-Elmer Limited | Carrier and its use in the preparation of samples for spectroscopy |
GB9614961D0 (en) * | 1996-07-16 | 1996-09-04 | Perkin Elmer Ltd | Carrier and its use in the preparation of samples for spectroscopy |
JP2000329702A (ja) * | 1999-03-18 | 2000-11-30 | Toray Ind Inc | シートの欠陥検出装置 |
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JP6771190B2 (ja) * | 2017-10-30 | 2020-10-21 | パナソニックIpマネジメント株式会社 | 樹脂判定方法及び装置 |
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US20200141865A1 (en) | 2020-05-07 |
EP3650188A1 (en) | 2020-05-13 |
US11047797B2 (en) | 2021-06-29 |
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