JPS5944107B2 - Magnetic separation method for powder and granular materials - Google Patents
Magnetic separation method for powder and granular materialsInfo
- Publication number
- JPS5944107B2 JPS5944107B2 JP49077503A JP7750374A JPS5944107B2 JP S5944107 B2 JPS5944107 B2 JP S5944107B2 JP 49077503 A JP49077503 A JP 49077503A JP 7750374 A JP7750374 A JP 7750374A JP S5944107 B2 JPS5944107 B2 JP S5944107B2
- Authority
- JP
- Japan
- Prior art keywords
- powder
- magnetic
- tubular cylinder
- granules
- raw 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
Links
- 238000000034 method Methods 0.000 title claims description 35
- 239000008187 granular material Substances 0.000 title claims description 22
- 239000000843 powder Substances 0.000 title claims description 14
- 238000007885 magnetic separation Methods 0.000 title claims description 10
- 239000006247 magnetic powder Substances 0.000 claims description 26
- 239000002994 raw material Substances 0.000 claims description 22
- 239000000696 magnetic material Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 description 7
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 239000006148 magnetic separator Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Description
【発明の詳細な説明】
本発明は非磁性材料より成る管状筒内壁面に回転磁界を
生起せしめて、被磁選原料粉粒体を、該管状筒内を通過
せしめる過程において、該被磁選原料粉粒体中に混在す
る磁性粉粒体を、前記回転磁界内に導出し、しかる後該
管状筒内において捕集することから成る連続的に効率よ
く粉粒体を磁選する方法に関するものである。Detailed Description of the Invention The present invention generates a rotating magnetic field on the inner wall surface of a tubular cylinder made of a non-magnetic material, and in the process of causing the raw material powder to be magnetically separated to pass through the inside of the tubular cylinder, the raw material powder to be magnetically separated is The present invention relates to a method for continuously and efficiently magnetically separating powder and granules, which comprises introducing magnetic powder and granules mixed in the granules into the rotating magnetic field and then collecting them in the tubular cylinder.
従来、非磁性粉粒体中に混在する磁性粉粒体を連続的に
分離除去する方法としては、固定した磁石とベルトコン
ベアーとを組み合せて行なう方法、あるいは交互または
平行に配夕１ルて固定された磁石の間に被磁選原料粉粒
体を通過せしめて行なう方法等種々の方法が公知とされ
ている。Conventionally, methods for continuously separating and removing magnetic powder particles mixed in non-magnetic powder particles include a combination of fixed magnets and a belt conveyor, or a method of fixing magnets in alternating or parallel arrangement. Various methods are known, such as a method in which the raw material particles to be magnetically separated are passed between magnetically separated magnets.
然し乍ら、これら公知の方法においては、特に空気との
接触を嫌う粉粒体の磁選に蟲っては不活性雰囲気中で行
なうことが必要となり、その設備は膨大にしてかつ設備
の複雑性、気密保持の困難性等の外の欠点があった。However, in these known methods, it is necessary to carry out the magnetic separation of powder and granular materials that do not like contact with air, so it is necessary to carry out the process in an inert atmosphere. There were other drawbacks such as difficulty in holding.
更に従来法においては磁選された磁性粉粒体中への被磁
選原料粉粒体の抱き込みが多い管種々の難点があった。Furthermore, the conventional method has various disadvantages in that the raw material particles to be magnetically separated are often entrained in the magnetic powder particles subjected to magnetic separation.
本発明は、非磁性材料より成る管状筒の内壁面に回転磁
界を生起せしめ、該管状筒内において粉粒体の磁選を連
続的に効率よく行なう方法を提供するものであり、特に
空気との接触を嫌う高純度の化学物質粉粒体中に混在す
る磁性粉粒体の分離除去に適した磁選方法に関するもの
である。The present invention provides a method for generating a rotating magnetic field on the inner wall surface of a tubular cylinder made of a non-magnetic material, and continuously and efficiently performing magnetic separation of powder and granular materials within the tubular cylinder. The present invention relates to a magnetic separation method suitable for separating and removing magnetic powder and granules mixed in powder and granules of high-purity chemical substances that do not want to come into contact with each other.
即ち、本発明は非磁性材料から成る管状筒の外周面に設
置した回転磁界発生装置により該管状筒の内壁面に円周
一定方向の回転磁界を生起せしめて、磁性粉粒体を混在
する非磁性粉粒体（以下被磁選原料と呼ぶ）を該管状筒
内底部を移動せしめ、その移動する過程において被磁選
原料中に混在する磁性粉粒体を前記の回転磁界中に導出
させて管状筒内壁面に添って回転させ、しかる後これに
管状筒内に設げられた磁性粉粒体捕獲室内に導入し捕集
して取り出すことから成る粉粒体を連続的に磁選する方
法を提供するものである。That is, the present invention generates a rotating magnetic field in a constant circumferential direction on the inner wall surface of the tubular tube using a rotating magnetic field generator installed on the outer circumferential surface of the tubular tube made of a non-magnetic material. The magnetic powder and granules (hereinafter referred to as the raw material to be magnetically separated) are moved through the bottom of the tubular cylinder, and in the process of movement, the magnetic powder and granules mixed in the raw material to be magnetically separated are drawn out into the rotating magnetic field to form the tubular cylinder. To provide a method for continuous magnetic separation of powder and granular material, which comprises rotating it along the inner wall surface, and then introducing it into a magnetic powder capture chamber provided in a tubular cylinder, collecting and taking it out. It is something.
本発明方法において管状筒に使用する非磁性材料として
は金属、磁器またはプラスチック等の非磁性材料が用い
られるが、使用するに陥っては取扱う被磁選原料の性質
等により適宜選択して使用するものである。In the method of the present invention, non-magnetic materials such as metal, porcelain, and plastic are used for the tubular cylinder, but when used, the material should be selected as appropriate depending on the properties of the raw material to be magnetically separated. It is.
また、本発明方法を実施するに邑って管状筒内壁面への
回転磁界を生起せしめる手段としては、管状筒の外周壁
面に三相交流電流を通電することにより回転磁界を得る
方法、または管状筒の外周壁面に添って永久磁石を機械
的に回転せしめて行なう方法、あるいは管状筒の外周壁
面に電磁石を固定して設置し、これに電気接点を用いて
電流を切替る如く通電して行なう方法管種々あるも本発
明方法を実施するに幽ってこれらの方法は何ら限定する
ものではない。Further, as means for generating a rotating magnetic field on the inner wall surface of the tubular cylinder when carrying out the method of the present invention, a method of obtaining a rotating magnetic field by passing three-phase alternating current to the outer peripheral wall surface of the tubular cylinder, or a method of generating a rotating magnetic field on the inner wall surface of the tubular cylinder, This can be done by mechanically rotating a permanent magnet along the outer circumferential wall of the tube, or by fixing an electromagnet to the outer circumferential wall of the tubular tube and energizing it using electrical contacts to switch the current. Although there are various methods, these methods are not intended to be limiting in any way in carrying out the method of the present invention.
更に、被磁選原料中に混在する磁性粉粒体が回転磁界内
に導出することを容易にするために例えば管状筒自体に
振動を与える等の手段により被磁選原料を躍動せしめる
方法を構することは、本発明方法の効果を増大するもの
である。Furthermore, in order to make it easier for the magnetic powder particles mixed in the raw material to be magnetically separated to be drawn out into the rotating magnetic field, a method is provided in which the raw material to be magnetically separated is made to vibrate by, for example, applying vibration to the tubular cylinder itself. This increases the effectiveness of the method of the invention.
被磁選原料を躍動せしめる方法については、磁選器を振
動機上に設置して行なう他任意に選定して実施し得るも
のである。As for the method of making the raw material to be magnetically separated vibrate, it can be carried out by installing the magnetic separator on a vibrator or by any other method.
以下、本発明方法を実施例に従って説明する。The method of the present invention will be explained below according to examples.
図面は本発明方法を実施する装置の１実施例を示すもの
で、第１図はその斜視図、第２図は第１図におけるＡ−
Ａ’の断面を示す図面である。The drawings show one embodiment of the apparatus for carrying out the method of the present invention, FIG. 1 is a perspective view thereof, and FIG.
It is a drawing which shows the cross section of A'.
図において１は非磁性材料より成る円筒、２は円筒内に
設置された非磁性材料より成る磁性粉粒体の捕獲室、３
は円筒外周面に設置された回転磁界発生装置である。In the figure, 1 is a cylinder made of a non-magnetic material, 2 is a capture chamber for magnetic powder made of a non-magnetic material installed inside the cylinder, and 3 is a cylinder made of a non-magnetic material.
is a rotating magnetic field generator installed on the outer peripheral surface of the cylinder.
なお図面には図示していな（・が被磁選原料を躍動せし
めるために装置全体に振動を与える振動機を具備せしめ
る。Note that a vibrator (not shown in the drawing) is provided to vibrate the entire apparatus in order to make the raw material to be magnetically separated vibrate.
次に本発明方法をなお理解するためにその構成を流れに
従って説明する。Next, in order to better understand the method of the present invention, its structure will be explained in accordance with the flow.
傾斜して設置されたプラスチック製円筒１の上流端に被
磁選原料の装入口４を、円筒下流端より離れてやや上流
に磁選の終了せる非磁性粉粒体の出口５を、また円筒１
内の長手方向にプラスチックより成る磁性粉粒体の捕集
室２を設ける。A charging port 4 for raw materials to be magnetically separated is provided at the upstream end of a plastic cylinder 1 installed at an angle, and an outlet 5 for non-magnetic powder and granular material to be subjected to magnetic separation is located slightly upstream and away from the downstream end of the cylinder.
A magnetic powder collection chamber 2 made of plastic is provided in the longitudinal direction of the chamber.
この捕集室２は管状筒１上流の回転磁界の有効に働く部
位附近より下流端に至る。This collection chamber 2 extends from the vicinity of the region upstream of the tubular cylinder 1 where the rotating magnetic field effectively acts, to the downstream end.
３は管状筒１の外周面長手方向に取り付けられた三相交
流による回転磁界発生用のコイル、更に図示していない
が磁選器全体を振動機の上に乗せた構成よりなるもので
ある。Reference numeral 3 denotes a coil for generating a rotating magnetic field by three-phase alternating current, which is attached to the longitudinal direction of the outer peripheral surface of the tubular cylinder 1, and furthermore, although not shown, the entire magnetic separator is placed on a vibrator.
以上の構成に成る本発明の作用を以下詳述する。The operation of the present invention having the above configuration will be described in detail below.
磁選器全体に振動を印加しつつ管状筒１の外周面に取り
つげられた三相交流による回転磁界発生用のコイル３を
電源に連結しく図示せず）電流を通して管状筒１の内壁
面に添って回転磁界６を生起させる。While applying vibration to the entire magnetic separator, a coil 3 for generating a rotating magnetic field by three-phase alternating current attached to the outer peripheral surface of the tubular cylinder 1 is connected to a power source (not shown), and a current is passed along the inner wall surface of the tubular cylinder 1. to generate a rotating magnetic field 6.
被磁選原料７を、管状筒１の上流端に設けた投入口４よ
り投入する。The raw material 7 to be magnetically separated is introduced through the input port 4 provided at the upstream end of the tubular cylinder 1 .
被磁選原料は印加された振動により躍動しつつ傾斜した
管状筒１の内壁面底部を上流より下流に向って移向する
その過程において被磁選原料中に混入している磁性粉粒
体８は管掩１の内壁面に添って生起された回転磁界６内
に導出され、回転磁界に乗って移行し、管状筒１の内壁
面と管状筒内に設けられた磁性粉粒体捕集室壁９との間
隙１０より捕集室内に送り込まれ、捕集室内、管状筒１
の中心部附近の部位１１に捕集され傾斜に従って流下し
て管状筒１下流端に至り系外に取り出される。The raw material to be magnetically separated moves from upstream to downstream along the bottom of the inclined inner wall of the tubular tube 1 while being moved by the applied vibrations.In this process, the magnetic particles 8 mixed in the raw material to be magnetically separated are It is guided into the rotating magnetic field 6 generated along the inner wall surface of the cover 1, moves along with the rotating magnetic field, and the magnetic powder collection chamber wall 9 provided on the inner wall surface of the tubular cylinder 1 and inside the tubular cylinder. It is sent into the collection chamber through the gap 10 between the
It is collected at a portion 11 near the center of the tube, flows down along an incline, reaches the downstream end of the tubular tube 1, and is taken out of the system.
被磁選原料は管状筒１内の底部を上流より下流に移行す
る過程において上記の作用により混入せる磁性粉粒体は
除去されて非磁性粉粒体出口５より取り出される。In the process of moving the raw material to be magnetically separated from the upstream to the downstream at the bottom of the tubular cylinder 1, the magnetic powder mixed therein is removed by the above-mentioned action, and the raw material is taken out from the non-magnetic powder outlet 5.
以上実施例により詳細に説明せる如（本発明方法は、そ
の構造簡単にして、しかも連続分離を可能とし、完全密
閉型式が容易に実施出来、特に不活性雰囲気中での操作
を要求される粉粒体の磁選に適した方法であるのみなら
ず公知の磁選方法に見られるような、分離された磁性粉
粒体に被磁選原料が多量に抱き込まれるという現象がほ
とんどないために、磁選歩留が良好な工業的価値極めて
犬なるものである。As explained in detail in the examples above, the method of the present invention has a simple structure, enables continuous separation, can be easily carried out in a completely closed type, and is especially suitable for powders that require operation in an inert atmosphere. Not only is this method suitable for magnetic separation of granules, but it also eliminates the phenomenon of a large amount of the raw material to be magnetically separated being entrapped in the separated magnetic powder and granules, which is the case with known magnetic separation methods. It is a dog with excellent industrial value.
図面の簡単な説明−
図面は本発明方法を実施する装置の→りを示すもので、
第１図はその斜視図、第２図は第１図におけるＡ−Ａ’
の断面図であり、
１・・・・・−管状筒、２・・・・・・捕集室、３・・
・・・・回転磁界発生装置、４・・・・・・投入口、５
・・・・・・非磁性粉粒体の出口、６・・・・・・回転
磁界の生起せる態様、７・・・・・・被磁選原料、８・
・・・・・回転磁界中に導出した磁性粉粒体の態様、９
・・・・・・捕集室壁、１０・・・・・・管状内壁面と
捕集室壁との間隙、１１・・・・・・捕集室における磁
性粉粒体の集合の部位。BRIEF DESCRIPTION OF THE DRAWINGS - The drawing shows an arrangement for carrying out the method of the invention.
Figure 1 is a perspective view, Figure 2 is A-A' in Figure 1.
It is a sectional view of 1...-tubular cylinder, 2...... collection chamber, 3...
... Rotating magnetic field generator, 4 ... Input port, 5
...Exit of non-magnetic powder, 6. Mode for generating rotating magnetic field, 7. Raw material to be magnetically separated, 8.
...Aspects of magnetic powder introduced into a rotating magnetic field, 9
... Collection chamber wall, 10 ... Gap between the tubular inner wall surface and the collection chamber wall, 11 ... Site where magnetic powder particles gather in the collection chamber.
Claims (1)
法において、被磁選原料粉粒体を水平位置よりや匁傾斜
した非磁性材質よりなる管状円筒内に、その一端から導
入し、被磁選原料粉粒体が管状円筒内を移動する過程に
おいて、管状円筒の内壁面に回転磁界を生起せしめるこ
とによって被磁選原料粉粒体中に混在する磁性粉粒体を
管状円部内壁面にそって回転させ、該磁性粉粒体をブ端
が管状内壁面に接し、他端が管状円筒内壁からや匁離隔
して管状円筒内壁との間に間隙を形成する断面鉤形の補
集室壁と、管状円筒内壁とによって画成される補集室に
導入し、補集室内に移動した磁性粉粒体と管状円筒の底
部を移動した非磁性粉粒体とを、それぞれ管状円筒の他
端からとり出すことを特徴とする粉粒体の磁選方法。1. In a method for separating magnetic powder and granules mixed in non-magnetic powder and granules, a raw material powder to be magnetically separated is introduced from one end into a tubular cylinder made of a non-magnetic material that is inclined from a horizontal position, In the process of moving the raw material powder and granules to be magnetically separated inside the tubular cylinder, a rotating magnetic field is generated on the inner wall surface of the tubular cylinder to cause the magnetic powder and granules mixed in the raw material powder and granules to be magnetically separated to be moved along the inner wall surface of the tubular cylinder. The collection chamber wall has a hook-shaped cross section, and the magnetic powder and granules are rotated by rotating the magnetic powder and granules. and the inner wall of the tubular cylinder, and the magnetic powder that has moved into the collection chamber and the non-magnetic powder that has moved on the bottom of the tubular cylinder are placed at the other end of the tubular cylinder. A method for magnetic separation of powder and granular material, characterized in that it is extracted from a powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49077503A JPS5944107B2 (en) | 1974-07-06 | 1974-07-06 | Magnetic separation method for powder and granular materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49077503A JPS5944107B2 (en) | 1974-07-06 | 1974-07-06 | Magnetic separation method for powder and granular materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS515673A JPS515673A (en) | 1976-01-17 |
| JPS5944107B2 true JPS5944107B2 (en) | 1984-10-26 |
Family
ID=13635756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49077503A Expired JPS5944107B2 (en) | 1974-07-06 | 1974-07-06 | Magnetic separation method for powder and granular materials |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5944107B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5246515B2 (en) * | 2009-12-18 | 2013-07-24 | 株式会社日立プラントテクノロジー | Waste water treatment equipment |
-
1974
- 1974-07-06 JP JP49077503A patent/JPS5944107B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS515673A (en) | 1976-01-17 |
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