JPS59189949A - Dry ultra-high magnetic force magnetic separator - Google Patents

Abstract

PURPOSE:To make it possible to separate substances different in magnetic characteristics, by a method wherein a high magnetic field is generated in the space between both yokes by an exciting coil and the matrix coming into said space while rotating is magnetized before using the same. CONSTITUTION:Plural sets of exciting apparatuses 10, 20 consisting of exciting coils 12, 22 and vertical coils 11, 21 are provided and each yoke is divided into an upper side yoke and a lower side yoke so that N, S poles are arranged in vertically opposed relation to each other so as to leave a gap between the yokes 11, 21. On the other hand, treating substance supply ports 14, 24 are provided to the lower parts of treating substance supply hoppers 13, 23 so as to pierce the upper side yokes and a matrix apparatus 30 comprising a ferromagnetic matrix part 32 having a width larger than a magnetic pole width is arranged between N, S poles in a relatively movable state. In addition, a cleaning apparatus 40 for separating a ferromagnetic fine powder adsorbed with the matrix port 32 is provided and a vibration apparatus 42 for vibrating the matrix part so as to smoothly pass the treating substance through the matrix part is arranged.

Description

[Detailed description of the invention] It is.

The applicant has already developed this type of dry ultra-high magnetic force magnetic separator with 4'! i-Gan Showa S7-U 0/109 (filed on Showa kA year/month/g date) and patent application Sho. ! No. 7-2/Mu No. 79 (published on February 6, 2013) proposed new inventions, but the gist of these inventions is that they consist of an excitation coil and upper and lower yokes. Between the magnetic field device section, which comprises electromagnets arranged vertically so that the NS magnetic poles formed between the upper and lower yokes face each other, and a processing material supply groove vertically penetrating the upper yoke, and the NS magnetic poles. a ferromagnetic matrix section consisting of a ferromagnetic matrix plate arranged to horizontally rotate or reciprocate;
A cleaning device base is placed close to the top surface of the ferromagnetic matrix plate at a position outside the magnetic field area of the NS magnetic pole 1i41, and a ferromagnetic matrix is placed between the NS magnetic poles and continuously moves perpendicularly to the bottom of the IJ matrix plate. and a product discharge device arranged to do so. Although each of these inventions satisfactorily achieves its purpose, as a result of implementing them, it has been found that there are the following problems or points that require improvement. In other words, it has been recognized that it is difficult to separate the magnetic substances in the processed material by their magnetic properties or materials.The matrix cannot be completely cleaned due to the residual magnetism of the matrix and ferromagnetic fine powder. For this reason, magnetic separation efficiency is low and non-magnetic substances are often entrained.

etc.

Therefore, the present invention aims to eliminate the problems in the previously proposed magnetic separators as described above, and to obtain an improved dry type ultra-high magnetic force magnetic separator that is multifunctional and has high magnetic separation efficiency.
That is the purpose.

In order to achieve this object, the present invention has a multi-cut magnet device each consisting of an excitation coil and a yoke, each yoke having a gap of N. The upper yoke is divided into an upper yoke and a lower yoke so that the S poles are arranged vertically opposite each other, and a processing material supply hopper is installed at the top of the upper yoke. A material supply port is provided, and an IJ device having a common matrix portion having a width larger than the magnetic pole width between each NS pole is arranged so as to be relatively movable. In addition, a cleaning device is installed to separate the ferromagnetic fine particles adsorbed to the IJ section, and an addition device is installed to vibrate the matrix section so that the processed material passes smoothly through the IJ section. place the equipment,
Furthermore, between the NS poles of the plurality of sets of magnetic field devices, a product and ferromagnetic fine powder discharge device is disposed directly below the matrix section and the cleaning device so as to be movable in phase. be.

Hereinafter, the present invention will be explained with reference to Figures 1 and 2 of the accompanying drawings showing embodiments thereof.

The magnetic separator according to the present invention is A. Multiple magnets: lA device part B. Rotation matrix section C. The apparatus is composed of a cleaning device section D and a processing material transporting device section. Next, the details of each section will be explained in order.

A. Magnetic field device section The magnetic field device section consists of two sets of magnetic field devices 10 and 20, as shown by numerals 10 and 20 in the figure.
The sleds each have a vertical yoke 27 having a cup-shaped longitudinal section. Each yoke //, 2
One vertical leg portion of / is spaced apart and oppositely disposed and each has its vertical central portion cut away, and the upper yoke / /1. U/.

and lower yoke //2. Make sure that U/2 are placed facing each other. Also, the upper and lower yokes //2. Ko/1
; //2. ．． A coil /λ, 22 is wound around each of the upper and lower yokes //, 2/1; //2. N and 8 poles are respectively formed on the end face of the /2.

Additionally, each upper yoke //1. At the top of the workpiece/1, there is a processing material supply chute/3. The upper yokes are arranged and communicated with the upper yoke //.

Supply ports /l and λl are respectively disposed vertically penetrating through /1. In this case, a plurality of magnetic field devices 10. It is necessary that the magnetic field strength of the magnetic pole part of θ is different (this is not necessary if the purpose is simply to increase the processing capacity). Also, the number of magnetic field devices can be increased depending on the purpose. For example, if three types of ferromagnetic powder with different magnetic properties are mixed in non-magnetic powder, three magnetic field devices can be used to separate the ferromagnetic powder with different magnetic properties. Processing should be done using an appropriate magnetic field strength.

B. Rotating matrix device (designated by 30 in the diagram) I
The Jx device 30 connects each yoke of the magnetic field devices 10 and 20 to
, 2/ upper and lower yokes //1. It consists of a horizontal rotary disc 31 arranged in the gap between the magnetic pole parts of the
Three ferromagnetic matrices having radial dimensions matching the magnetic pole portions are fixed around the rotating disk 3, and the driving force of a motor 33 with a speed reducer directly connected to the rotating disk 3/ is fixed to the rotating disk 3/. It has a vertical axis J4' that transmits. In this way, the three ferromagnetic matrices are fixed to the outer circumference of the rotating disk 3/, and the three ferromagnetic matrices are
By driving, the magnetic field devices 10 and 20 are rotated at a predetermined speed within the space between the upper and lower yokes //, ko/, ;//, ko/l. The ferromagnetic matrix IJ box 3.2 is preferably constructed by horizontally screwing together ferromagnetic matrices having a width larger than the magnetic pole width.

C1 Cleaning device section The cleaning device section is designated by symbols llo and q in the figure.
o, and two sets are arranged, and each cleaning device part θ is a ferromagnetic ma).
It consists of a 1 m long demagnetizing coil lI/, seven vibrator exciters arranged vertically close to it, and an air nozzle l13. Magnetic powder, each yoke //.

The purpose is to remove the external part of the /2 magnetic pole part so that the cleanliness of the three matrices is always maintained at a high level. The vibrator q-yu may be a pneumatic type, an electric type, or a type using an unbalanced weight.
? It is assumed that the j drive is applied at a sliding frequency of approximately OHZ. Further, a compressed air source is appropriately connected to the air nozzle 3, so that the surface of the ferromagnetic matrix forming the matrix 3 is cleaned by the pressurized air ejected from the air nozzle 3. Make it.

Note that as the demagnetizing coil l/l, a small alternating current coil is preferable.

1.2 sets of the processing material transporting device sections, which are labeled SO and Sθ in the diagram, are arranged, and each one is attached to each yoke/edge/of the magnetic station devices 10 and 20. Opposing upper and lower yokes //8. λ/I://2. ．． In the magnetic pole space formed between 2 and 2, seven sets of endless conveyor belts are stretched along the lower part of the horizontal movement path of 2 and 2, respectively, and are configured to continuously move. It consists of a conveyor belt !r/(D), a turning boob IJ s, 2, a belt drive pulley S3, and a belt drive reduction motor !rlI. It consists of a branch plate s5 arranged below and a receiving box s6 arranged at its lower end tel. Then, the magnetic substances separated from the matrix 3 by the air nozzle 3 etc. are placed in parallel,
Furthermore, near the boundary, non-magnetic material and magnetic material are mixed together. Therefore, depending on the position of the branch plate 5, the amount of magnetic material mixed into the non-magnetic material side conveyed and running on the conveyor bell 1-57, or conversely, the amount of non-magnetic material mixed into the magnetic material side. The amount will change. Therefore, it is necessary to set the branching plate 55 at a position suitable for the purpose of sorting. In addition, a receiving box St for storing and storing the separated processed materials is installed below the branch plate SS, but in the case of endless or continuous operation, a receiving box St, Instead, a conveyor belt or the like can be installed as appropriate.

The device of the present invention has the above configuration, and its operation will be explained next.

First, when the processing object is supplied into the processing object supply shoe 1-/3, 23, the processing object supplied into the chute 1-/3.23 is transferred to the upper yoke of the magnetic field device io, 2o,
, 2/, the upper and lower yokes of the magnetic field device /θ, and the upper and lower yokes of the magnetic field device /θ, ri/1; //2. ．． 2/, reaching the opposing magnetic pole spaces. In this space, a matrix 3.7 is rotating at a predetermined speed, and the processed material falls onto this matrix 32. In this case, both yokes /l! due to the excitation coil /λ and here! .

A high magnetic field is generated in the space between 2/, ; ti, , 2/, and the matrix 32 that has rotated in the space is magnetized, but the surface is highly disturbed by the magnetic field. Even ferromagnetic fine powder, which has relatively low characteristics, is sufficiently adsorbed and is in a state of 'IJ-f'. On the other hand, the non-magnetic material passes completely through the three matrices and falls onto the belt S/ of the conveying device 50. Also, as above
The ferromagnetic fine powder adsorbed by IJ
With the rotation of the three wheels, it is carried out of the high magnetic field area, and here,
Demagnetizing coil +! / demagnetized by) IJ Kus3
2, the material is shaken off by vibrations caused by the vibrator 11.2 and blowing by the high-speed full air flow emitted from the air nozzle 3, and falls onto the belt conveyor S/ at a 5° angle. . In this way, the non-magnetic material and the ferromagnetic material are placed on the belt conveyor S/ at different positions and are conveyed simultaneously.

Therefore, a branch plate is provided at the discharge port ζ, which is the moving end of the conveyor bell) 5/, to separate them from each other, and store them separately in the storage box 56.

Since the magnetic separator according to the present invention has the above-described configuration, it is obvious that the apparatus according to the present invention has the following features. That is, / It is possible to separate substances with different magnetic properties. It is possible to separate materials by material. 3. The cleaning of the matrix is easy and complete, and therefore the separation efficiency is constant. For example, the quality of separated substances can be set arbitrarily.

[Brief explanation of the drawing]

Figure E is a plan view showing an embodiment of the dry type ultra-high magnetic force magnetic separator according to the present invention, and Figure E is its front view. 10, 2θ・ ・i+FiJ easy device; //, Yu/ ・
・Yoke;/, 2. ．． 2.2...coil;/3. Yu3・
・Supply shoe); /l, 2g・・Supply row 30・・Rotating matrix device; 3/・・Rotating disk; 32・・Matrix; 33・・Motor with reducer; J・・Vertical axis; 4to・・Cleaning device; ・・・Demagnetizing coil;
λ・・Exciter; 1I-3・・Air nozzle;・SO・・
Conveying device; st...conveyor bell); 5.2...'
;f-ri;s3...bell l-7"-ri;, 111...
Reducer example motor SS...branch plate; S Otsu...the receiver is a box. Patent applicant: Mitsubishi Steel Magnetic Materials Co., Ltd. Agent: Teru Soga Michi 2゜

Claims (1)

[Claims] / It has a plurality of sets of excitation devices each consisting of an excitation coil and a vertical yoke, and the yokes have a gap between the upper yoke and the lower yoke so that the NS poles are vertically opposed to each other. A processing material supply hopper is provided at the top of the upper yoke, a processing material supply port is provided at the bottom of the hopper so as to pass through the upper yoke, and a width larger than the magnetic pole width is provided between the NS poles. A matrix device consisting of a ferromagnetic matrix section having In addition, an excitation device for vibrating the IJ section is installed so that the processed material passes smoothly through the matrix section, and a
A dry type ultra-high magnetic force magnetic separator characterized in that a product and ferromagnetic fine powder discharge device are movably arranged directly below an IJ storage device. 2. The magnetic separator according to claim 5, wherein the yoke has a hollow-shaped outline, and one vertical yoke portion is cut at the center to form an N8 pole. 37) The IJ disk device consists of a rotating disk that rotates horizontally, and a ring-shaped ferromagnetic disk (IJ disk) that is stacked horizontally and fixed to the outer circumference of the disk. 2. A magnetic separator according to claim 1, wherein the rotating disk is driven from a morph with a speed reducer via a vertical shaft. y The cleaning device is a ferromagnetic magnet on a rotating disk)
A small AC demagnetizing coil is placed above the rotation path of the IJ box outside the magnetic field area of the magnetic field device to demagnetize the ferromagnetic matrix and ferromagnetic fine powder, and a ferromagnetic matrix is placed adjacent to this coil. ) A magnetic separator according to claim 2 or 3, comprising a nozzle arranged to spray compressed air onto the IJ box. S. A patent claim in which the excitation device consists of a compressed air type or electromagnetic type exciter placed outside the magnetic field area of the magnetic field device so as to be in contact with the outer periphery of the matrix part of the matrix device. Magnetic separator according to the range O/, E, 3 or G. B. A horizontal conveyor belt where the product and ferromagnetic material discharge device are arranged to continuously move below the matrix section between the north and south poles of the magnetic field device, and a product and ferromagnetic material disposed at the scanning material discharge port. (The punching belt is driven by a motor with a speed reducer via a drive boob; A magnetic separator according to any of the paragraphs.