KR20110056654A - Apparatus of superconducting magnetic separation for refinement of dry powder materials - Google Patents

Abstract

PURPOSE: An apparatus for separating dry powder materials using superconducting magnets is provided to control the dropping of powder by controlling the pressure, and to prevent the agglomeration of powder through a nozzle. CONSTITUTION: An apparatus for separating dry powder materials using superconducting magnets comprises a powder supply unit(100), powder transfer unit(200), powder dispersion unit(300), automatic filter exchange unit(340), magnetic separation unit(400), upper pleat pipe(450), lower pleat pipe(460), powder collection unit(500), and dust removal unit(600). The powder supply unit includes a powder supply hopper(110) and a powder supply air nozzle(120). The powder dispersion unit includes a powder dispersion hopper(310) and a powder dispersion air nozzle(320).

Description

Apparatus of superconducting magnetic separation for refinement of dry powder materials}

The present invention relates to a treatment apparatus for magnetic separation treatment of an object using a superconducting magnet, and in particular, the present invention has a powder form of the object. The present invention relates to a powder magnetic separation device using a superconducting magnet capable of simplifying and improving productivity.

In recent years, superconductivity and low temperature generation technology have advanced significantly, and superconducting magnets having excellent economical and operability have been put into practical use. Application of such a superconducting magnet to a magnetic separation device has the advantage of being able to process suspended particles in large quantities at high speed, saving energy and processing them in a small device in a small area.

In general, a superconducting magnetic separation device is a device for purifying wastewater generated in a factory or home using a superconducting magnet. The superconducting magnetic separation device magnetizes a substance to be separated in the wastewater, and then inserts a magnetic filter inserted between the superconducting magnets. When the waste water passes through, the material to be separated in the waste water is adsorbed on the filter and separated.

In the present invention, the dry powder magnetic separation device in the case where the object to be treated in the superconducting magnetic separation device is a fine powder. Conventional powder magnetic separators are mostly using permanent magnets and electromagnet magnets, and in particular, magnetic separators for powder treatment have a belt and drum form, and thus powder processing efficiency and separation yield are low. In addition, the existing system has a problem that causes significant environmental pollution by generating a significant dust in the process, and has a limitation on use because it is not easy to handle weak magnetic material, non-magnetic material with a relatively low magnetic field.

In addition, the general magnetic separation treatment uses a magnetic force proportional to the volume of the workpiece particles. Therefore, the size and shape of the treatment is limited. In the case of the treatment having a fine powder form, the magnetic force capable of magnetic separation is very small because the volume of particles is small. Therefore, magnetic separation treatment is very difficult when the magnetic field applied to the processed material is weak, such as permanent magnets or general electromagnets, and the efficiency of the process is reduced.

The present invention has been made by the necessity of the above problem, the magnetic separation powder processing apparatus using a superconducting magnet that can generate a strong magnetic field, the entire process of feeding and transporting the magnetic separation process of the powder is made continuously and automatically, simplifying the process, productivity It is an object of the present invention to provide a powder magnetic separation device using a superconducting magnet capable of improving.

In order to achieve the above object, the present invention, in the powder magnetic separation device using a superconducting magnet, a powder supply hopper into which the magnetic separation treatment object in the form of powder, and a powder supply air nozzle for supplying air into the powder supply hopper A powder supply unit made of; A powder transfer unit connected to the powder supply hopper of the powder supply unit, supplied with powder, a powder transfer line for transferring the supplied powder, and a powder transfer air nozzle for supplying air into the powder transfer line; A powder dispersing unit comprising a powder dispersing hopper which is connected to the powder conveying line of the powder conveying unit and supplied with powder, dispersing the supplied powder, and a powder dispersing air nozzle which supplies air into the powder dispersing hopper; An air outlet for controlling the pressure while reducing the moisture by discharging the supplied air to the outside, and a filter automatic exchange unit configured to filter dust during air discharge; It is coupled to the lower side of the powder dispersing unit is supplied with powder, a superposed magnet that generates a magnetic field therein by the applied current, and a laminated frame for receiving a magnetic separation filter inserted in the center of the superconducting magnet and vertically stacked therein A magnetic separator made of; A vibrator coupled to the magnetic separator and dropping the powder stacked on the magnetic separation filter by virtue of the magnetic separator without down, and the upper and lower wrinkle tubes formed so that the vibration caused by the vibrator does not affect other parts; ; A powder collecting unit coupled to the lower side of the magnetic separator to collect the magnetically separated powder; Powder magnetic separation device using a superconducting magnet, characterized in that it comprises a; dust removal unit connected to the powder collecting unit.

In addition, the powder supply unit and the powder transfer unit, it is preferable to supply and transport the powder automatically in the impeller rotation method.

In addition, the laminated frame of the magnetic separator is preferably detachable from the powder dispersing unit and the powder collecting unit.

Here, the powder magnetic separation device using the superconducting magnet, it is preferable that the moving means is provided on the lower side to be portable.

The present invention by the above configuration, the magnetic separation powder treatment apparatus using a high magnetic field superconducting magnet can reduce the energy by the use of the superconducting magnet, can maximize the powder treatment efficiency by the high magnetic field, The whole process of supply and transfer magnetic separation treatment is continuous and automatic, which can simplify the process and improve productivity.

In addition, during the supply, transfer, and dispersing of each powder, the powder is prevented through the hot air nozzle to facilitate the dispersing, and the pressure is controlled to control the dropping of the powder while controlling the dropping of the powder, thereby allowing the discharge of moisture, and fine powder particles and various forms. The powder was also made available for treatment.

In addition, the magnetic separation treatment is possible for various types of powder treatment, so that it is easy to replace the magnetic separation filter to use various types of filters according to the material to be subjected to the magnetic separation treatment. Irrespective of this, the powder deposited on the magnetic separation filter can be dropped down by vibration, and the entire process is continuous and automatic, and it is expected to be able to build an automated system to expand the magnetic separation processing range. .

In addition, it is possible to supply a large number of filters to the device continuously to enable a large-scale purification treatment, there is an effect that can build the processing efficiency and automation of the process.

The present invention relates to a powder magnetic separation device using a superconducting magnet, wherein the magnetic separation filter is placed in a high gradient magnetic field generated by the superconducting magnet to remove foreign substances contained in a powder-type magnetic separation treatment object sequentially supplied. I would like to.

Hereinafter, with reference to the accompanying drawings will be described in detail for the present invention. 1 is a schematic view of the main part of the powder magnetic separation device using a superconducting magnet according to the present invention.

As shown, the present invention is largely divided into a powder supply unit 100, powder transfer unit 200, powder dispersion unit 300, magnetic separation unit 400, powder collection unit 500 and dust removal unit 600 It is configured to separate the magnetic material contained in the magnetic separation treatment object in powder form, that is, food (milk powder, tea) or cosmetics.

The powder supply unit 100 includes a powder supply hopper 110 into which a magnetic separation treatment object is injected, and a powder supply air nozzle 120 supplying air into the powder supply hopper 110. The powder supply hopper 110 is formed to include an impeller operated by a drive device therein, and the powder injected by the rotation thereof is automatically agitated to be fed and transported to the lower side. The powder supply air nozzle 120 is formed below the powder supply hopper 110 and provides air to the supplied powder to smoothly stir and supply the powder.

In addition, the powder transfer unit 200 is connected to the powder supply hopper 110 of the powder supply unit 100 is supplied with powder, the powder transfer line 210 for transferring the supplied powder in a specific direction, and the powder It is made of a powder conveying air nozzle 220 for supplying air into the conveying line 210. The powder transfer line 210 is formed to include an impeller operated by a driving device therein, and the powder injected by the rotation thereof is stirred and is automatically transferred in a specific direction. The powder transfer air nozzle 220 is provided at the bottom portion of the powder transfer unit 200 to provide hot air to the supplied powder to smoothly dry and transfer the powder to be transferred in a specific direction. Effectively prevents agglomeration of powder to maximize processing efficiency. Then, the supplied air is discharged to the outside through the air discharge port 330 to adjust the moisture and the pressure. At this time, the air discharge port 330 is formed with a filtration filter, the filter automatic exchange unit 340 for automatically replacing the filtration filter is formed. This prevents the generation of dust to the outside during air discharge, it is possible to filter the dust. The filter auto-exchanging unit 340 is to prepare a plurality of filtration filters to automatically supply a new filtration filter for the continuity of the process when the function of the filtration filter is terminated, which is a known supply means that is a conveyor or feed gun ( gun). By the powder transfer unit 200, the powder is transported in the horizontal direction for efficient space utilization of the device.

In addition, the powder dispersion unit 300 is connected to the powder transfer line 210 of the powder transfer unit 200 is supplied with powder, a powder dispersion hopper 310 for dispersing the supplied powder and the powder dispersion hopper 310 is composed of a powder dispersed air nozzle 320 for supplying air into the interior. The powder dispersion hopper 310 is coupled to the lower side of the powder transfer line 210 so that the supplied powder is collected in the powder dispersion hopper 310. The powder dispersion air nozzle 320 is formed on the side of the powder dispersion hopper 310 to supply hot air to the powder so as to smoothly disperse the supplied powder to prevent agglomeration of the powder to increase processing efficiency. will be.

As such, the powder supply unit 100, the powder transfer unit 200, and the powder dispersion unit 300 are formed with a hopper and a transfer line including an impeller therein, so that continuous supply, stirring, and dispersion of powder for process automation are performed. The work is carried out efficiently, and the system is hermetically sealed without being exposed to the outside and is formed in an environment-friendly structure without dust generation.

In addition, the magnetic separator 400 is coupled to the lower side of the powder dispersing unit 300 is supplied with the dispersed powder, a superconducting magnet 410 for generating a magnetic field therein by the applied current and the superconducting magnet 410 is formed of a laminated frame 430 for receiving a magnetic separation filter 420 inserted into the center and vertically stacked therein.

The superconducting magnet 410 is a concentric type superconducting wire, preferably a high temperature superconducting wire is wound a certain number of times, Bi-2212 high temperature superconducting wire, rare earth-based thin superconducting wire is easy to understand the physical properties and easy to manufacture Or MgB ₂ high temperature superconducting wire is used. The magnetic separation operation to the superconducting magnet 410 can apply a strong magnetic field of a higher gradient than the normal phase conductive electromagnet, thereby improving the production efficiency by increasing the powder treatment capacity, and enables various kinds of powder treatment. In addition, since there is no resistance in the superconducting magnet 410, there is no energy loss due to heat generation even when using for a long time, and since the permanent current operation is possible, there is no need to maintain the current conduction, so only the cooling cost is paid, thereby reducing the operation cost and maintenance and repair cost. Has become an economic advantage.

The laminated frame 430 is formed of a nonmagnetic material such as FRP that is not affected by a magnetic field, a space part is formed to accommodate the magnetic separation filter 420, and generates a high gradient magnetic field centered on the superconducting magnet 410. Is located in the area.

The magnetic separation filter 420 is formed of a magnetic material, is vertically stacked in the stacking frame 430, and has a mesh structure so that the supplied powder can pass therethrough. In addition, the magnetic separation filter 420 is accommodated in the stacking frame 430 by stacking by varying the size and number depending on the processing capacity of the powder and the type of powder to maximize the processing process efficiency.

In addition, the laminated frame 430 is formed so that the upper and lower ends are coupled to each of the powder dispersing unit 300 and the powder collecting unit 500 by a clamp so as to be attached and detached, when the magnetic separation is completed to some extent to reduce the efficiency The stacking frame 430 may be separated from each other so that the magnetic separation filter 420 may be easily cleaned and managed.

In addition, by vibrating the magnetic separation filter using the vibrator 440 to the powder laminated on the magnetic separation filter 420 without the magnetic force to drop the powder deposited on the filter down to improve the efficiency of the treatment process. . In this case, in order not to affect other devices, the upper wrinkled pipe 450 is installed on the magnetic separator 400, and the lower wrinkled pipe 460 is installed below the magnetic separator 400.

In addition, in order to easily replace the magnetic separation filter 420 according to the type of powder to be treated to facilitate the disassembly and assembly. In this way, the laminated frame 430 separated from the magnetic separation device is entirely moved to the cleaning device to perform the washing of the magnetic separation filter 420, and when the washing is completed, the whole is inserted again to perform the magnetic separation process.

In addition, the powder collector 500 is coupled to the lower side of the magnetic separator 400 to magnetically separate and collect the powder from which foreign matter is removed, and the dust removal unit 600 is disposed on the powder collector 500. Connected to remove dust from the powder to ensure efficient powder collection. The powder collecting unit 500 has a closed type collecting structure so that dust is not generated to the outside in the process to prevent air pollution generated during the treatment process.

On the other hand, the powder magnetic separation device using a superconducting magnet according to the present invention is provided with a moving means 700, such as a roller or a wheel at the lower side is portable to facilitate the utilization.

As described above, the powder magnetic separation device using the superconducting magnet according to the present invention, using the superconducting magnet 410 of the high magnetic field to continuously magnetically separate the powder and to process the fine powder particles and various types of powder through the hot air nozzle. To make it possible. In addition, it is easy to replace the magnetic separation filter 420 for various types of powder treatment, and is formed in a hermetic structure as a whole does not generate dust. In addition, the supply and transport of the powder and the magnetic separation process is continuously performed to improve the processing efficiency and to build the automation of the process it is possible to reduce the production cost.

1-Schematic diagram of the main part of the powder magnetic separation device using a superconducting magnet according to the present invention.

Figure 2-Schematic diagram of the air outlet and the filter automatic exchange of the powder magnetic separation device using a superconducting magnet according to the present invention.

3-Schematic diagram of a vibrator configured with an upper pleated tube and a lower pleated tube coupled to a magnetic separator of a powder magnetic separator using a superconducting magnet according to the present invention.

<Description of Major Symbols Used in Drawings>

100: powder supply unit 110: powder supply hopper

120: powder supply air nozzle 200: powder transfer unit

210: powder conveying line 220: powder conveying air nozzle

300: powder dispersing unit 310: powder dispersing hopper

320: powder dispersion air nozzle 330: air outlet

340: filter automatic replacement unit 400: magnetic separation unit

410: superconducting magnet 420: magnetic separation filter

430: laminated frame 440: vibrator

450: upper corrugated pipe 460: lower corrugated pipe

500: powder collection unit 600: dust removal unit

700: means of transportation

Claims (4)

In the powder magnetic separation device using a superconducting magnet, A powder supply unit (100) comprising a powder supply hopper (110) into which a magnetic separation treatment object in powder form is input, and a powder supply air nozzle (120) for supplying air into the powder supply hopper (110); It is connected to the powder supply hopper 110 of the powder supply unit 100 is supplied with powder, the powder transport line 210 for transporting the supplied powder, and the powder transport for supplying air into the powder transport line 210 A powder transfer part 200 formed of an air nozzle 220; Powder is supplied connected to the powder transfer line 210 of the powder transfer unit 200, the powder dispersion hopper 310 for dispersing the supplied powder, and the powder for supplying air into the powder dispersion hopper 310 A powder dispersion unit 300 formed of a dispersed air nozzle 320; An air discharge port 330 for controlling pressure while reducing moisture by discharging the supplied air to an outside, and a filter automatic exchange unit 340 formed to filter dust during air discharge; The superconducting magnet 410 is coupled to the lower side of the powder dispersing unit 300 and supplied with powder, and is inserted into the center of the superconducting magnet 410 and vertically stacked therein. A magnetic separator 400 formed of a stacked frame 430 for receiving the separated magnetic separator filter 420; Vibrator 440 coupled to the magnetic separator 400 to drop the powder stacked on the magnetic separation filter 420 by virtue of the magnetic separation without the magnetic force, and the vibration is different from the vibration by the vibrator 440 An upper pleated tube 450 and a lower pleated tube 460 formed so as not to affect the pleated tube; A powder collecting unit 500 coupled to a lower side of the magnetic separating unit 400 to collect magnetically separated powder; Powder magnetic separation device using a superconducting magnet, characterized in that it comprises a; dust removal unit 600 connected to the powder collector 500. The method of claim 1, wherein the powder supply unit 100 and the powder transfer unit 200, Powder magnetic separation device using a superconducting magnet, characterized in that for automatically supplying and transporting the powder by the impeller rotation method. According to claim 1, wherein the laminated frame 430 of the magnetic separator 400, Powder magnetic separation device using a superconducting magnet, characterized in that detachable from the powder dispersion unit 300 and the powder collecting unit (500). The powder magnetic separation device using the superconducting magnet according to claim 1, Powder magnetic separation device using a superconducting magnet, characterized in that the portable unit is provided with a moving means 700 in the lower side.

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