JP2023027958A - Square magnet bar for deferrization - Google Patents

Square magnet bar for deferrization Download PDF

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Publication number
JP2023027958A
JP2023027958A JP2021133349A JP2021133349A JP2023027958A JP 2023027958 A JP2023027958 A JP 2023027958A JP 2021133349 A JP2021133349 A JP 2021133349A JP 2021133349 A JP2021133349 A JP 2021133349A JP 2023027958 A JP2023027958 A JP 2023027958A
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Japan
Prior art keywords
square
magnet bar
magnetic
magnet
magnetic force
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JP2021133349A
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Japanese (ja)
Inventor
郁夫 加藤
Ikuo Kato
貴彬 渡部
Takaaki Watabe
拓真 柿原
Takuma Kakihara
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Sanshin Metal Working Co Ltd
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Sanshin Metal Working Co Ltd
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Priority to JP2021133349A priority Critical patent/JP2023027958A/en
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Abstract

To provide a magnet bar capable of evenly absorbing much more magnetic matters from a separated body by widening a deferrization range.SOLUTION: A square magnet bar for deferrization comprises: a square pipe (1) of a nonmagnetic body; and a plurality of square permanent magnets (2) stacked on the square pipe to be stored and having magnetic force applied surfaces (3) opposed to the inner surface of the square pipe. The center lines of the magnetic force applied surfaces (3) of the adjacent permanent magnets (2) are at positions twisted from each other.SELECTED DRAWING: Figure 1

Description

本発明は、食品、原材料、粉体、液体、気体などの被分離体中に散在する鉄粉や極小の磁性物を永久磁石の磁力により取り除くものであって、搬送ダクトやシュート、原料の流れ、液体・気体の流路や貯留槽に設置する装置に関する。 The present invention removes iron powder and extremely small magnetic substances scattered in objects to be separated such as foods, raw materials, powders, liquids, and gases by the magnetic force of permanent magnets. , to a device installed in a liquid or gas flow path or reservoir.

現在、産業界においては、食品、原材料、粉体、液体、気体などの被分離体中に混入している鉄粉や極小の磁性物を取り除くマグネットバーとして、図4に示されるものが知られている。そして、このようなマグネットバーは、特許文献1に記載される公知の磁気分離装置、等に用いられている。 At present, in the industrial world, the magnet bar shown in FIG. 4 is known as a magnet bar for removing iron powder and minute magnetic substances mixed in objects to be separated such as foods, raw materials, powders, liquids and gases. ing. Such a magnet bar is used in a known magnetic separator described in Patent Document 1, and the like.

この図4に示されるような幅広く使われている従来のマグネットバーは、非磁性体の筒状ケース(パイプ)11の中に円柱状の永久磁石12を複数挿入し、隣接する永久磁石12の同極である磁力作用面13間に継鉄を挟み込んだものである。この挟み込まれた継鉄から磁力を発生させ、図5に示すように、被分離体中に存在する鉄粉や極小の磁性物16を永久磁石の磁力により吸着し、その後、取り除いている。また、2本以上のマグネットバーを並べて設置することでより多く磁性物16を吸着させている(図6)。 A widely used conventional magnet bar as shown in FIG. A yoke is sandwiched between the magnetic force acting surfaces 13 having the same polarity. A magnetic force is generated from the sandwiched yoke, and as shown in FIG. 5, iron powder and minute magnetic substances 16 present in the object to be separated are attracted by the magnetic force of the permanent magnet and then removed. Also, by arranging two or more magnet bars side by side, more magnetic substances 16 are attracted (FIG. 6).

しかし、このようなマグネットバーは、永久磁石12の側面14が全周にわたって存在することから、磁性物16の吸着範囲(除鉄範囲)が制限されて磁性物を効率的に吸引できず、除鉄効率がなかなか向上しないという欠点が存在した。 However, in such a magnet bar, since the side surface 14 of the permanent magnet 12 exists over the entire circumference, the magnetic material 16 cannot be efficiently attracted and removed because the magnetic material 16 cannot be efficiently attracted and removed. There is a drawback that the iron efficiency is not easily improved.

特開2006-102625号公報JP 2006-102625 A

本発明のマグネットバーは、上記従来技術の欠点を克服するため、マグネットバーの除鉄範囲を広げることにより、被分離体からより多くの磁性物をむらなく吸着しようとするものである。 In order to overcome the drawbacks of the prior art, the magnet bar of the present invention is intended to uniformly attract more magnetic substances from the object to be separated by widening the iron removal range of the magnet bar.

本発明の課題は、特許請求の範囲に記載された発明特定事項によって解決される。すなわち、非磁性体の角型パイプと、この角型パイプに重ねられて収容され、その磁力作用面(3)が角型パイプの内面と対向する複数の角型永久磁石とからなる除鉄用角型マグネットバーにおいて、隣接する永久磁石の磁力作用面の中心線を互いにねじれの位置に置くことにより、問題の解決を図るものである。 The subject of the present invention is solved by the matters specifying the invention described in the claims. That is, for iron removal comprising a square pipe of non-magnetic material and a plurality of square permanent magnets which are superimposed and housed in the square pipe and whose magnetic force acting surface (3) faces the inner surface of the square pipe. In the rectangular magnet bar, the problem is solved by arranging the center lines of the magnetic force acting surfaces of adjacent permanent magnets at mutually twisted positions.

本発明によれば、マグネットバーの除鉄範囲を広げることにより、被分離体からより多くの磁性物をむらなく吸着することができる。 According to the present invention, by widening the iron removal range of the magnet bar, it is possible to uniformly attract more magnetic substances from the object to be separated.

図1は、本発明の角型マグネットバーを表わす。FIG. 1 represents a square magnet bar of the present invention. 図2は、本発明の角型マグネットバーに吸着される磁性物を示す。FIG. 2 shows magnetic objects that are attracted to the rectangular magnet bar of the present invention. 図3は、2本並んだ本発明の角型マグネットバーに吸着される磁性物を示す。FIG. 3 shows a magnetic object attracted to two square magnet bars of the present invention arranged side by side. 図4は、従来のマグネットバーを表わす。FIG. 4 represents a conventional magnet bar. 図5は、従来のマグネットバーに吸着される磁性物を示す。FIG. 5 shows a magnetic object attracted to a conventional magnet bar. 図6は、2本並んだ従来のマグネットバーに吸着される磁性物を示す。FIG. 6 shows a magnetic object attracted to two conventional magnet bars arranged side by side.

以下、本発明に係る除鉄用角型マグネットバーの実施例について説明する。図1には、本発明の実施例にかかる除鉄用角型マグネットバーが表されている。 Examples of square magnet bars for iron removal according to the present invention will be described below. FIG. 1 shows a square magnet bar for iron removal according to an embodiment of the present invention.

除鉄用角型マグネットバーは、非磁性体であるステンレス製の角型パイプ(1)と、この角型パイプ内に重ねられて収容され、その磁力作用面(3)が角型パイプの内面と対向する複数の角型ネオジウム磁石(2)と、から構成される。これにより、永久磁石(2)の作用面(3)は、直接マグネットバーの表面に向けて組み込まれることとなり、被分離体に作用する面積が広くなる。このように構成したマグネットバーは、図4に示す従来のマグネットバーより磁力線を遠くに飛ばすことができるため、除鉄範囲が広くなるとともに吸着力や吸引力がより強くなり、被分離体に混入した磁性物を各方面からより確実に多く吸着する。 The square magnet bar for iron removal is housed in a square pipe (1) made of stainless steel, which is a non-magnetic material, and is stacked in this square pipe. and a plurality of square neodymium magnets (2) facing each other. As a result, the active surface (3) of the permanent magnet (2) is incorporated directly facing the surface of the magnet bar, and the area acting on the object to be separated is widened. The magnet bar configured in this way can make the magnetic lines of force fly farther than the conventional magnet bar shown in FIG. It attracts a lot of magnetic substances from each side more reliably.

この角型マグネットバーにおいて、隣接するネオジウム磁石(2)の磁力作用面(3)の中心線は、図1、図2に示すように、互いにねじれるような位置にある。これにより、被分離体中の磁性物(6)は隣接するネオジウム磁石のN極とS極にわたってより効率的に吸着される。 In this square magnet bar, the center lines of the magnetic force acting surfaces (3) of the adjacent neodymium magnets (2) are positioned so as to be twisted with each other, as shown in FIGS. As a result, the magnetic substance (6) in the object to be separated is more efficiently attracted across the N and S poles of the adjacent neodymium magnets.

各ネオジウム磁石(2)は、その磁力作用面(3)が90°づつ順次その方向を変えるように回転させて組み込まれ、組み込まれたこれらのネオジウム永久磁石(2)のN極及びS極は、図1、図2に示されるように、マグネットバーの中心線方向に沿って螺旋状に旋回して配置される。そして、図2に示すように、各方面からの磁性物(6)は角型マグネットバーで強力に吸着される。吸着される磁性物(6)は、図5に示される従来のマグネットバーと較べて、格段に多い。 Each neodymium magnet (2) is incorporated by rotating such that its magnetic force acting surface (3) sequentially changes its direction by 90°. , are arranged to spirally turn along the centerline direction of the magnet bar, as shown in FIGS. Then, as shown in FIG. 2, the magnetic objects (6) coming from all sides are strongly attracted by the rectangular magnet bar. The number of magnetic substances (6) to be attracted is significantly larger than that of the conventional magnet bar shown in FIG.

2本以上の角型マグネットバーを並べて図3に示すように使用する場合には、角型マグネットバーは、隣接するマグネットバーのN極、S極間に磁力線が作用し、さらに多くの磁性物を吸着することができる。 When two or more square magnet bars are arranged side by side and used as shown in FIG. can be adsorbed.

角型永久磁石(2)は、図1において1つの磁石として示しているが、分割された複数の磁石から構成することもできる。また、非磁性のパイプを内側と外側に設けて2重の入れ子構造とし、内側の非磁性パイプに永久磁石を収納したまま、外側のパイプからそのまま抜き出すことも可能である。 Although the rectangular permanent magnet (2) is shown as one magnet in FIG. 1, it can also be composed of a plurality of divided magnets. It is also possible to form a double nested structure by providing non-magnetic pipes inside and outside so that the permanent magnet can be pulled out from the outside pipe while the permanent magnet is housed in the inside non-magnetic pipe.

1 非磁性体角型パイプ
2 角型永久磁石
3 磁力作用面
4 磁石側面
6 磁性物
1 Non-Magnetic Square Pipe 2 Square Permanent Magnet 3 Magnetic Force Acting Surface 4 Magnet Side 6 Magnetic Material

Claims (2)

非磁性体の角型パイプ(1)と、この角型パイプに重ねられて収容され、その磁力作用面(3)が角型パイプの内面と対向する複数の角型永久磁石(2)と、からなる除鉄用角型マグネットバーにおいて、隣接する永久磁石(2)の磁力作用面の中心線が互いにねじれの位置にある除鉄用角型マグネットバー。 A square pipe (1) of non-magnetic material, a plurality of square permanent magnets (2) which are stacked and accommodated in the square pipe, and whose magnetic force acting surfaces (3) face the inner surface of the square pipe, A square magnet bar for iron removal, wherein the center lines of the magnetic force acting surfaces of adjacent permanent magnets (2) are at mutually twisted positions. 各永久磁石(2)は、磁力作用面(3)が90°づつその方向を変えて組み込まれ、これらの永久磁石(2)のN極及びS極が螺旋状に位置するように構成された請求項1記載の除鉄用角型マグネットバー。 Each permanent magnet (2) was incorporated with the magnetic force acting surface (3) changing its direction by 90°, and the N and S poles of these permanent magnets (2) were arranged spirally. The square magnet bar for iron removal according to claim 1.
JP2021133349A 2021-08-18 2021-08-18 Square magnet bar for deferrization Pending JP2023027958A (en)

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