JPH10263438A - Static separator - Google Patents

Static separator

Info

Publication number
JPH10263438A
JPH10263438A JP7253197A JP7253197A JPH10263438A JP H10263438 A JPH10263438 A JP H10263438A JP 7253197 A JP7253197 A JP 7253197A JP 7253197 A JP7253197 A JP 7253197A JP H10263438 A JPH10263438 A JP H10263438A
Authority
JP
Japan
Prior art keywords
electrode
metal drum
drum electrode
separated
sorted
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.)
Granted
Application number
JP7253197A
Other languages
Japanese (ja)
Other versions
JP3466044B2 (en
Inventor
Chiaki Tojo
千明 東條
Katsuhiko Yamamoto
勝彦 山本
Tetsuya Inoue
鉄也 井上
Hidehiko Maehata
英彦 前畑
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 JP07253197A priority Critical patent/JP3466044B2/en
Publication of JPH10263438A publication Critical patent/JPH10263438A/en
Application granted granted Critical
Publication of JP3466044B2 publication Critical patent/JP3466044B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Electrostatic Separation (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an inexpensive static separator in which the separation performance is improved by applying the voltage lower than in methods heretofore available. SOLUTION: A static separator is provided with a charge device 12 for charging crushed refuse 11 to be separated, a grounding metal drum electrode 13 rotated in the given direction around a horizontal axial center on which the charged crushed refuse 11 to be separated is scattered, a high voltage electrode 15 positioned obliquely above the grounding metal drum electrode 13 and attracting the crushed refuse 11 repelled by the metal drum electrode 13, an attraction device 17 attracting the crushed refuse 11 to be separated which has been attracted to the high voltage electrode 15, a first separation container 18 recovering the rushed refuse 11 dropped along the metal drum electrode 13 and a second separation container 18 recovering the crushed refuse 11 to be separated which has been attracted on the metal drum electrode 13, and the crushed refuse 11 to be separated can be separated by the above constitution, and the crushed refuse 11 to be separated is brought into contact with the metal drum electrode 13 and flowed thereon to carry out the separation by the voltage lower than in the method heretofore available.

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】本発明は、都市ゴミ、粗大ゴ
ミなどのプラスチックからなる粉砕ゴミの選別を行う静
電選別装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrostatic sorting device for sorting crushed dust made of plastic such as municipal trash and oversized trash.

【0002】[0002]

【従来の技術】従来の落下型の静電選別装置の構成を図
3に基づいて説明する。複数の種類の被選別粒子1に
は、前工程において、帯電性を良くするために特殊な界
面活性剤などからなる助剤が混入され、次にこれら粒子
1は、たとえば空気流動槽、摩擦帯電パイプを移送され
ることにより摩擦され、帯電列にしたがって帯電され
る。
2. Description of the Related Art The configuration of a conventional drop-type electrostatic sorting apparatus will be described with reference to FIG. A plurality of types of selected particles 1 are mixed with an auxiliary agent such as a special surfactant in order to improve the charging property in the pre-process. The pipes are rubbed by being transferred, and are charged according to the charging train.

【0003】この帯電された粒子1は、高電圧が印加さ
れた陽極2とこの陽極2に対向し接地された陰極3間に
形成された分離電界内に自由落下され、帯電電荷の符
号、および電荷量の違いにしたがって分離容器4,5,
6へ分離される。
[0003] The charged particles 1 are freely dropped into a separation electric field formed between an anode 2 to which a high voltage is applied and a cathode 3 opposed to the anode 2 and grounded. Separation containers 4, 5, according to the difference in charge amount
6.

【0004】たとえば、粒子1が正電荷が帯電されてい
る場合、電界はこの正電荷に作用し、粒子は陽極2から
反発され、陰極3側へ引き寄せられ、陰極3の下の第1
分離容器4へ落下し、回収される。
For example, if the particle 1 is charged with a positive charge, an electric field acts on this positive charge, and the particle is repelled from the anode 2 and drawn to the cathode 3 side, and the first under the cathode 3
It falls into the separation container 4 and is collected.

【0005】このように、複数の種類の粒子1は電極
2,3間を落下中に分離され、分離容器4,5,6に回
収される。
As described above, a plurality of types of particles 1 are separated while falling between the electrodes 2 and 3 and collected in the separation containers 4, 5 and 6.

【0006】[0006]

【発明が解決しようとする課題】しかし、被選別粒子1
がプラスチックの混合物の場合、上記落下型の静電選別
装置では、下記の式(1)を満足しなければ、選別能力
が劣るため、電極2,3間にかかる印加電圧は大きくな
るばかりか、処理量を大きくするためにはさらに大きな
電圧が必要になるという問題があった。
However, the particles to be sorted 1
Is a mixture of plastics, in the above-mentioned dropping type electrostatic sorting apparatus, if the following equation (1) is not satisfied, the sorting ability is inferior, so that not only the applied voltage applied between the electrodes 2 and 3 becomes large, There is a problem that a larger voltage is required to increase the throughput.

【0007】[0007]

【数1】 式(1)において、kは比例定数(8.99*109 N・m2
・C-2)、q1 はプラスチックの電荷、q2 は電極板表
面での電荷、rはq1 とq2 の距離(≒プラスチックと
電極板の距離)、mはプラスチックの重量、gは重力加
速度である。
(Equation 1) In the equation (1), k is a proportional constant (8.99 * 10 9 N · m 2
・ C -2 ), q 1 is the charge of the plastic, q 2 is the charge on the electrode plate surface, r is the distance between q 1 and q 2 (the distance between the plastic and the electrode plate), m is the weight of the plastic, and g is Gravitational acceleration.

【0008】そこで、本発明は、従来の方式より低い電
圧で、安価で選別性能が向上した静電選別装置を提供す
ることを目的としたものである。
SUMMARY OF THE INVENTION It is an object of the present invention to provide an inexpensive electrostatic sorting apparatus which has a lower voltage than conventional methods and has improved sorting performance.

【0009】[0009]

【課題を解決するための手段】前述した目的を達成する
ために、本発明のうち請求項1記載の静電選別装置は、
プラスチックからなる被選別粉砕ゴミに帯電させる帯電
装置と、水平軸心周りに所定方向に回転され、前記帯電
装置から帯電された前記被選別粉砕ゴミが散布される金
属ドラム電極と、前記金属ドラム電極の斜め上方に位置
し、前記金属ドラム電極により反発された前記被選別粉
砕ゴミを引きつける対向電極と、この対向電極に引きつ
けられた前記被選別粉砕ゴミを吸引して回収する吸引回
収手段と、前記金属ドラム電極と対向電極間に高電圧を
印加する電源装置と、前記金属ドラム電極に沿って落下
した前記被選別粉砕ゴミを回収する第1回収手段と、前
記金属ドラム電極上に吸着された前記被選別粉砕ゴミを
回収する第2回収手段とを備えたことを特徴とするもの
である。
In order to achieve the above-mentioned object, according to the present invention, there is provided an electrostatic separation device according to the first aspect of the present invention.
A charging device for charging the sorted crushed dust made of plastic, a metal drum electrode rotated around a horizontal axis in a predetermined direction and spraying the sorted crushed dust charged from the charging device, and the metal drum electrode A diagonally upper part of the counter electrode, which attracts the sorted crushed dust repelled by the metal drum electrode, a suction collecting means for sucking and collecting the sorted crushed dust attracted to the counter electrode, A power supply device for applying a high voltage between the metal drum electrode and the counter electrode; a first collecting means for collecting the sorted crushed dust that has fallen along the metal drum electrode; And a second collection means for collecting the sorted crushed refuse.

【0010】上記構成により、金属ドラム電極と対向電
極間に高電圧が印加されている状態で、帯電装置により
帯電された被選別粉砕ゴミは、金属ドラム電極の上面に
散布される。帯電により電荷が得られなかった被選別粉
砕ゴミは金属ドラム電極に沿って落下し、第1回収手段
へ回収される。また被選別粉砕ゴミの帯電で得られた帯
電符号が金属ドラム電極と同符号のとき、反発され、対
向電極に引きつけられ、吸引回収手段に吸引され、回収
される。また帯電符号が金属ドラム電極と異符号のと
き、この金属ドラム電極に引きつけられる。この金属ド
ラム電極に吸着された被選別粉砕ゴミは、第2回収手段
に回収される。
[0010] According to the above configuration, while the high voltage is applied between the metal drum electrode and the counter electrode, the sorted crushed dust charged by the charging device is scattered on the upper surface of the metal drum electrode. The sorted crushed dust from which no charge has been obtained by charging falls along the metal drum electrode and is collected by the first collecting means. When the charged code obtained by charging the sorted crushed dust has the same code as the metal drum electrode, it is repelled, attracted to the opposite electrode, and is sucked and collected by the suction and collecting means. When the charging code is different from that of the metal drum electrode, it is attracted to the metal drum electrode. The sorted crushed dust adsorbed on the metal drum electrode is collected by the second collecting means.

【0011】このように、被選別粉砕ゴミの種類による
帯電列により、吸引回収手段と、第1回収手段と、第2
回収手段に選別することができる。また請求項2記載の
静電選別装置は、上記請求項1記載の静電選別装置であ
って、前記対向電極を、前記金属ドラム電極の曲面に平
行な曲板または平板形状とすることを特徴とするもので
ある。
As described above, the suction and collection means, the first collection means, and the second
It can be sorted by the collection means. The electrostatic sorting device according to claim 2 is the electrostatic sorting device according to claim 1, wherein the counter electrode has a curved plate or a flat plate shape parallel to a curved surface of the metal drum electrode. It is assumed that.

【0012】上記構成により、帯電符号が金属ドラム電
極と同符号の被選別粉砕ゴミの引きつける力が増大し、
安定して被選別粉砕ゴミが吸引回収される。これによ
り、回収率が改善される。
According to the above configuration, the attraction force of the selected crushed dust having the same charge code as the metal drum electrode is increased,
The sorted crushed refuse is stably collected by suction. This improves the recovery.

【0013】また請求項3記載の静電選別装置は、上記
請求項1または請求項2記載の静電選別装置であって、
前記対向電極は、メッシュ状またはスリット状の電極で
あり、このメッシュ状またはスリット状の電極の前記金
属ドラム電極とは反対側に前記吸引回収手段を配置する
ことを特徴とするものである。
According to a third aspect of the present invention, there is provided an electrostatic sorting apparatus according to the first or second aspect, wherein:
The counter electrode is a mesh-shaped or slit-shaped electrode, and the suction-recovery means is arranged on a side of the mesh-shaped or slit-shaped electrode opposite to the metal drum electrode.

【0014】上記構成により、メッシュ状またはスリッ
ト状の電極の裏面に吸引回収手段が配置され、メッシュ
状またはスリット状の電極を通過した被選別粉砕ゴミが
吸引回収される。これにより、回収率が改善される。
According to the above configuration, the suction / recovery means is arranged on the back surface of the mesh-shaped or slit-shaped electrode, and the sorted crushed dust that has passed through the mesh-shaped or slit-shaped electrode is suctioned and collected. This improves the recovery.

【0015】[0015]

【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図1は本発明の実施の形態におけ
るプラスチック静電選別装置の構成図である。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram of a plastic electrostatic sorting apparatus according to an embodiment of the present invention.

【0016】破砕された選別するプラスチックからなる
被選別粉砕ゴミ11は、摩擦帯電装置12により帯電され、
水平軸心周りに所定方向に回転され、接地されている金
属ドラム電極13の上面へ散布される。
The crushed and sorted refuse 11 made of crushed and sorted plastic is charged by a frictional charging device 12,
It is rotated around a horizontal axis in a predetermined direction, and is sprayed on the upper surface of the metal drum electrode 13 which is grounded.

【0017】金属ドラム電極13の回転方向斜め上方に
は、金属ドラム電極13の曲面に平行な円弧状で、メッシ
ュあるいはスリット状の電極からなる吸引口14付の高電
圧電極15が設けられており、この高電圧電極15には高圧
電源装置16の陽極が接続されている。また高圧電源装置
16の陰極は接地されている。また吸引口14には、金属ド
ラム電極13とは反対側に吸引装置17が接続されている。
Above the metal drum electrode 13 in the rotational direction, a high-voltage electrode 15 with a suction port 14 formed of a mesh or slit-like electrode in an arc shape parallel to the curved surface of the metal drum electrode 13 is provided. The anode of the high-voltage power supply 16 is connected to the high-voltage electrode 15. Also high voltage power supply
The 16 cathodes are grounded. Further, a suction device 17 is connected to the suction port 14 on the side opposite to the metal drum electrode 13.

【0018】また金属ドラム電極13の下方には、金属ド
ラム電極13の前方位置(回転方向上流側)に上方へ開口
した第1分離容器18が設けられ、また金属ドラム電極13
位置に上方へ開口した第2分離容器19が設けられてい
る。さらに、金属ドラム電極13の回転方向の下流位置
(第2分離容器19の上方位置)には被選別粉砕ゴミ11を
かき落とすブラシ20が設けられている。
Below the metal drum electrode 13, there is provided a first separation container 18 which is open upward at a position in front of the metal drum electrode 13 (upstream in the rotational direction).
At the position, a second separation container 19 opened upward is provided. Further, a brush 20 for scraping off the sorted pulverized dust 11 is provided at a downstream position in the rotation direction of the metal drum electrode 13 (above the second separation container 19).

【0019】上記構成による作用を説明する。まず、選
別するプラスチックからなる被選別粉砕ゴミ11は、摩擦
帯電装置12により帯電される。このとき、プラスチック
はその種類により帯電列に従い、プラスあるいはマイナ
スのどちらかに帯電される。
The operation of the above configuration will be described. First, the sorted crushed dust 11 made of plastic to be sorted is charged by the friction charging device 12. At this time, the plastic is charged to either plus or minus according to the charging sequence depending on its type.

【0020】帯電した被選別粉砕ゴミ11は、回転してい
る金属ドラム電極13へ切り出される。切り出された被選
別粉砕ゴミ11は、摩擦帯電で得られた帯電符号が金属ド
ラム電極13と同符号のとき、反発され、対向する高電圧
電極15に引きつけられ、吸引口14から吸引装置17に引か
れて回収される。
The charged sorted and crushed dust 11 is cut out to a rotating metal drum electrode 13. When the charged code obtained by the triboelectric charging has the same code as the metal drum electrode 13, the cut and sorted crushed dust 11 is repelled, attracted to the opposing high-voltage electrode 15, and transferred from the suction port 14 to the suction device 17. Pulled and collected.

【0021】このとき、高電圧電極15を金属ドラム電極
の曲面に平行な形状とすることにより、前記帯電符号が
金属ドラム電極13と同符号の被選別粉砕ゴミ11を引きつ
ける力が増大し、安定して被選別粉砕ゴミ11が吸引回収
され、よって回収率が改善される。
At this time, by forming the high-voltage electrode 15 in a shape parallel to the curved surface of the metal drum electrode, the force for attracting the sorted and crushed dust 11 having the same charge code as that of the metal drum electrode 13 is increased, and the charge is stable. As a result, the sorted crushed refuse 11 is collected by suction, and the collection rate is improved.

【0022】また摩擦帯電により電荷が得られない(得
られた電荷が少ない)場合、そのまま金属ドラム電極13
の回転に従い落下し、第1分離容器18に回収される。ま
た帯電符号が金属ドラム電極13と異符号のとき、被選別
粉砕ゴミ11は金属ドラム電極13に引きつけられ、この金
属ドラム電極13に吸着された被選別粉砕ゴミ11は回転ブ
ラシ20でかき落とされ、第2分離容器19に回収される。
When no charge is obtained due to frictional charging (the obtained charge is small), the metal drum electrode 13 is left as it is.
Falls along with the rotation of, and is collected in the first separation container. When the charging code is different from that of the metal drum electrode 13, the selected crushed dust 11 is attracted to the metal drum electrode 13, and the selected crushed dust 11 adsorbed on the metal drum electrode 13 is scraped off by the rotating brush 20. Are collected in the second separation container 19.

【0023】このとき、被選別粉砕ゴミ(プラスチッ
ク)11は金属ドラム電極13に接触して流れていくことに
より、従来の方式より低い電圧で選別ができる。図2に
PVC,PP,PEなどの数種類のプラスチックの選別
を行った結果(図2にはPVCの選別結果を示す)、回
収率90%、純度95%の選別結果が得られている。
At this time, the sorted and crushed dust (plastic) 11 flows in contact with the metal drum electrode 13 so that sorting can be performed at a lower voltage than in the conventional method. FIG. 2 shows the results of sorting several types of plastics such as PVC, PP, and PE (FIG. 2 shows the results of sorting PVC). As a result, a sorting result of 90% recovery and 95% purity was obtained.

【0024】このように、摩擦帯電したプラスチックを
静電場が形成されている金属ドラム電極13上に直接供給
し、搬送していくことにより、これまでの落下型や放電
型の静電選別装置より低電圧で、安価で選別性能が優れ
た選別装置を提供することができる。
As described above, the frictionally charged plastic is directly supplied onto the metal drum electrode 13 on which the electrostatic field is formed, and is conveyed. It is possible to provide a low-voltage, low-cost and high-quality sorting apparatus.

【0025】なお、上記実施の形態では、金属ドラム電
極13を接地し、高電圧電極15にプラスの電圧を印加して
いるが、電圧の印加を逆にして金属ドラム電極13を高電
圧ドラム電極とすることも可能である。
In the above embodiment, the metal drum electrode 13 is grounded, and a positive voltage is applied to the high voltage electrode 15. However, the application of the voltage is reversed to connect the metal drum electrode 13 to the high voltage drum electrode. It is also possible to use

【0026】また、上記実施の形態では、高電圧電極15
をメッシュあるいはスリット状の電極から形成している
が、高電圧電極15に引きつけられた被選別粉砕ゴミ11を
吸引装置17により吸引できればよく、単に金属ドラム電
極13の曲面に平行な曲板または平板形状であってもよ
い。このとき、吸引装置17は高電圧電極15に吸着しよう
とする被選別粉砕ゴミ11を吸引できる位置に配置され
る。
In the above embodiment, the high voltage electrode 15
Is formed of a mesh or slit-shaped electrode, but it is sufficient if the selected crushed dust 11 attracted to the high-voltage electrode 15 can be sucked by the suction device 17, and simply a curved plate or a flat plate parallel to the curved surface of the metal drum electrode 13. It may be shaped. At this time, the suction device 17 is arranged at a position where the selected crushed dust 11 to be sucked to the high voltage electrode 15 can be sucked.

【0027】[0027]

【発明の効果】以上述べたように本発明によれば、被選
別粉砕ゴミの種類による帯電列により、吸引回収手段と
第1回収手段と第2回収手段と第3回収手段に被選別粉
砕ゴミを選別することができるとともに、被選別粉砕ゴ
ミは金属ドラム電極に接触して流れていくことにより、
従来の方式より低い電圧で、安価に選別することができ
る。
As described above, according to the present invention, according to the electrification sequence according to the type of the crushed garbage to be sorted, the crushed garbage to be sorted is provided to the suction collecting means, the first collecting means, the second collecting means and the third collecting means. Can be sorted, and the sorted crushed trash contacts the metal drum electrode and flows,
Sorting can be performed at a lower voltage and at lower cost than the conventional method.

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

【図1】本発明の実施の形態におけるプラスチック静電
選別装置の構成図である。
FIG. 1 is a configuration diagram of a plastic electrostatic sorting device according to an embodiment of the present invention.

【図2】同プラスチック静電選別装置の選別結果を示す
特性図である。
FIG. 2 is a characteristic diagram showing a sorting result of the plastic electrostatic sorting apparatus.

【図3】従来の落下型静電選別装置の構成図である。FIG. 3 is a configuration diagram of a conventional drop-type electrostatic sorting device.

【符号の説明】[Explanation of symbols]

11 被選別粉砕ゴミ 12 帯電装置 13 金属ドラム電極 14 吸引口 15 高電圧電極(対向電極) 16 高圧電源装置 17 吸引装置(吸引回収手段) 18 第1分離容器(第1回収手段) 19 第2分離容器(第2回収手段) 11 Sorted and crushed dust 12 Charging device 13 Metal drum electrode 14 Suction port 15 High-voltage electrode (counter electrode) 16 High-voltage power supply device 17 Suction device (suction collection means) 18 First separation container (first collection means) 19 Second separation Container (second collection means)

フロントページの続き (72)発明者 井上 鉄也 大阪府大阪市此花区西九条5丁目3番28号 日立造船株式会社内 (72)発明者 前畑 英彦 大阪府大阪市此花区西九条5丁目3番28号 日立造船株式会社内Continuation of the front page (72) Inventor Tetsuya Inoue 5-2-2, Nishikujo, Konohana-ku, Osaka-shi, Japan Inside Hitachi Zosen Corporation (72) Inventor Hidehiko Maebata 5-28, Nishikujo, Konohana-ku, Osaka-shi, Osaka No. Within Hitachi Zosen Corporation

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 プラスチックからなる被選別粉砕ゴミに
帯電させる帯電装置と、 水平軸心周りに所定方向に回転され、前記帯電装置から
帯電された前記被選別粉砕ゴミが散布される金属ドラム
電極と、 前記金属ドラム電極の斜め上方に位置し、前記金属ドラ
ム電極により反発された前記被選別粉砕ゴミを引きつけ
る対向電極と、 この対向電極に引きつけられた前記被選別粉砕ゴミを吸
引して回収する吸引回収手段と、 前記金属ドラム電極と対向電極間に高電圧を印加する電
源装置と、 前記金属ドラム電極に沿って落下した前記被選別粉砕ゴ
ミを回収する第1回収手段と、 前記金属ドラム電極上に吸着された前記被選別粉砕ゴミ
を回収する第2回収手段と、を備えたことを特徴とする
静電選別装置。
A charging device configured to charge the sorted crushed dust made of plastic; a metal drum electrode rotated around a horizontal axis in a predetermined direction and sprayed with the selected crushed dust charged from the charging device; A counter electrode that is positioned diagonally above the metal drum electrode and attracts the sorted crushed dust repelled by the metal drum electrode; and a suction that sucks and collects the sorted crushed dust attracted to the counter electrode. Collecting means; a power supply device for applying a high voltage between the metal drum electrode and the counter electrode; a first collecting means for collecting the sorted crushed dust dropped along the metal drum electrode; And a second collecting means for collecting the sorted crushed dust adsorbed on the device.
【請求項2】 前記対向電極を、前記金属ドラム電極の
曲面に平行な曲板または平板形状とすることを特徴とす
る請求項1記載の静電選別装置。
2. The electrostatic sorting device according to claim 1, wherein the counter electrode has a shape of a curved plate or a flat plate parallel to a curved surface of the metal drum electrode.
【請求項3】 前記対向電極は、メッシュ状またはスリ
ット状の電極であり、このメッシュ状またはスリット状
の電極の前記金属ドラム電極とは反対側に前記吸引回収
手段を配置することを特徴とする請求項1または請求項
2記載の静電選別装置。
3. The method according to claim 1, wherein the counter electrode is a mesh-shaped or slit-shaped electrode, and the suction / recovery means is arranged on a side of the mesh-shaped or slit-shaped electrode opposite to the metal drum electrode. The electrostatic sorting device according to claim 1 or 2.
JP07253197A 1997-03-26 1997-03-26 Electrostatic sorting device Expired - Fee Related JP3466044B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP07253197A JP3466044B2 (en) 1997-03-26 1997-03-26 Electrostatic sorting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07253197A JP3466044B2 (en) 1997-03-26 1997-03-26 Electrostatic sorting device

Publications (2)

Publication Number Publication Date
JPH10263438A true JPH10263438A (en) 1998-10-06
JP3466044B2 JP3466044B2 (en) 2003-11-10

Family

ID=13492027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07253197A Expired - Fee Related JP3466044B2 (en) 1997-03-26 1997-03-26 Electrostatic sorting device

Country Status (1)

Country Link
JP (1) JP3466044B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013176743A (en) * 2012-02-29 2013-09-09 Mitsubishi Electric Corp Electrostatic sorting apparatus
CN105709926A (en) * 2014-12-03 2016-06-29 九芝堂股份有限公司 Impurity removal device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013176743A (en) * 2012-02-29 2013-09-09 Mitsubishi Electric Corp Electrostatic sorting apparatus
CN105709926A (en) * 2014-12-03 2016-06-29 九芝堂股份有限公司 Impurity removal device

Also Published As

Publication number Publication date
JP3466044B2 (en) 2003-11-10

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