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Plastic online sorting device and sorting method based on near-infrared technology

A sorting device and near-infrared technology, applied in sorting, plastic recycling, recycling technology, etc., can solve problems such as long time spent, low sorting efficiency, low sorting accuracy, etc., to improve accuracy and improve Effect of improving sorting efficiency and accuracy

Active Publication Date: 2020-11-24
西安中智科仪光电设备有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide an online plastic sorting device based on near-infrared technology, which solves the problems of low sorting efficiency, low sorting accuracy and long time spent in existing near-infrared plastic sorting devices

Method used

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  • Plastic online sorting device and sorting method based on near-infrared technology
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  • Plastic online sorting device and sorting method based on near-infrared technology

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Embodiment Construction

[0054] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0055] A plastic online sorting device based on near-infrared technology of the present invention, such as figure 1 As shown, the transmission unit is included, and the top of the transmission unit is sequentially provided with an illumination unit, a probe unit and a manipulator 10 along its moving direction, as shown in FIG. figure 2 As shown, the probe unit is also sequentially connected to a fiber combiner 6 , a light splitting unit, a controller 11 and a manipulator 10 through wires.

[0056] The conveying unit includes a set of driving rollers 1, two driving rollers 1 are connected by a driving belt 2, and the plastic to be sorted is placed on the surface of the driving belt 2.

[0057] The lighting unit includes a light source 3 and a rectangular light shaper 4 sequentially connected by wires from top to bottom. Wherein the light so...

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Abstract

The invention discloses a plastic online sorting device based on a near infrared technology. The plastic online sorting device based on the near infrared technology comprises a conveying unit; an illuminating unit, a probe unit and a manipulator are arranged at the top of the conveying unit in sequence in a motion direction; and the probe unit is connected with an optical fiber closer, a light splitting unit, a controller and a manipulator connected in sequence through leads. The plastic online sorting device uses multiple small viewing field optical probes; the total viewing field range of the multiple optical probes covers the width range of a whole conveying belt; multiple corresponding spectrums contain lower data quantity and more single information, so that the light integral time isgreatly reduced, the spectrum collecting time is reduced, and the sorting efficiency is improved; and the sorting method judges types of plastic to be sorted through building of a spectrum pretreatment model and a judgment method model in the controller in sequence, so that the sorting speed and accuracy are improved, and excellent practical value is achieved.

Description

technical field [0001] The invention belongs to the technical field of plastic sorting equipment, and in particular relates to an online sorting device for plastics based on near-infrared technology, and also relates to a sorting method for the online sorting device for plastics based on near-infrared technology. Background technique [0002] In the recycling and reuse of waste plastics, the first thing to be solved is the classification and sorting of waste plastics according to categories. At present, the sorting technology based on near-infrared spectroscopy has the advantages of low cost, high efficiency, and high accuracy, and it is suitable for six common general-purpose plastics and engineering plastics, such as PE, PP, PVC, PS, ABS, and PET. The identification is very significant, so it is widely used in industrial production. [0003] The basic principle of near-infrared plastic sorting technology is that when broad-spectrum near-infrared light irradiates plastics,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29B17/02B07C5/342
CPCB07C5/3425B29B17/02B29B2017/0203Y02W30/62
Inventor 任文贞
Owner 西安中智科仪光电设备有限公司
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