KR101372912B1 - Sorter of particle size and electrostatic for aluminium granule - Google Patents

Abstract

The present invention relates to an apparatus (1) for separating aluminium granules by grain size with electrostatic separation. The apparatus for separating aluminium granules by grain size with electrostatic separation is capable of separating aluminum granules by grain size by installing a screen at the lower side of each laminated separation housing (10, 20, 30, 40), and is capable of increasing the recovery rate of aluminium granules by reprocessing the aluminium granules unseparated in a desired grain size. In addition, the apparatus generates static electricity to aluminum granules by installing a friction plate (5) at the upper side of the screen, wherein the friction plate (5) rotates separately from the screen. According to the static electricity caused by the friction plate (5), the entanglement of fibers mixed in aluminium granules is induced and then the fibers are allowed to be discharged into a discharge part without passing the screen, thereby increasing the purity of the aluminum granules remarkably. The apparatus further comprises a spring conveyor which is installed at the upper side of a cover (9) and which moves aluminium granules into an inflow part (91) of the cover (9) while forcibly rotating the aluminium granules, so that the separation of fibers is performed more efficiently. Therefore, grain size separation and fiber separation are achieved simultaneously, thereby simplifying a separation process and reducing process time.

Description

Aluminum granule particle size and electrostatic screening device {sorter of particle size and electrostatic for aluminum granule}

The present invention relates to an aluminum granule particle size and electrostatic screening device, and in detail, the aluminum granules are selected by particle size by sequentially passing the aluminum granules processed by grinding waste aluminum through a plurality of screens rotated by a vibration motor. In addition, the present invention relates to a particle size and electrostatic screening device that can significantly increase the recovery rate and purity by selecting the fibers having a weak charge by the static electricity according to the rotation of the friction plate rotated independently on the top of each screen.

With increasing use of aluminum, there is a growing interest in the aluminum recycling industry for processing waste aluminum into high purity aluminum granules.

In particular, various studies are being conducted on aluminum regeneration technology having high purity and recovery rate due to the characteristics of Korea with high aluminum consumption and excessively high unit cost of high purity aluminum granules.

Accordingly, the present applicant has a technology for pulverizing waste aluminum scrap into aluminum chips in Korean Patent Registration No. 10-1207516 (name of the invention: aluminum scrap crushing device), and Korean Patent Registration No. 10-1310613 (Name of the invention: 6). The patent for fast grinding of aluminum chips into fine granular aluminum granules in single-sized aluminum granules high-speed pulverizing apparatus has been patented, but the research on sorting apparatus to increase the purity and recovery rate of waste aluminum is insufficient.

At this time, in order to increase the recovery rate of aluminum, granules that have not been processed to the desired granularity must be selected and reprocessed to the desired granularity.In order to increase the purity of aluminum, foreign substances contained in the aluminum granules can be sorted through wind, specific gravity, and magnetic force. The sorting process must be carried out essentially.

Generally, various studies have been conducted on the sorting device for sorting foreign matters using wind power, specific gravity, magnetic force, and net, but the research on the sorting device for sorting foreign matters appropriate to the characteristics of aluminum is insufficient. .

In addition, since aluminum and laca containing fiber components in the joints and coatings are mainly used in the workpieces using aluminum, the waste aluminum contains fiber components, and these fibers are mixed with the aluminum granules during the crushing and grinding process. This makes screening very difficult and provides a decisive reason for lowering the purity of the final aluminum granules.

Domestic registered patent No. 10-0436545 (name of the invention: recycled aggregate sorting device for construction waste) generates a plurality of sorting screens inclined and then generates vibrations, and when they are discharged from each sorting screen to generate a strong wind in the blower The technology of the sorting machine for sorting aggregates and foreign substances according to the particle size is described, and this type of sorting machine is capable of particle size sorting to increase the recovery rate, but the purity is low because no composition for sorting the fiber is described. Will have

Korean Patent No. 10-1255731 (name of the invention: a vibrator for screening powder and removing water) describes a vibrator for screening particle size using a plurality of screening housings in which screens are installed. However, as described above, the vibrating separator may increase the recovery rate of the aluminum granules, but has a limitation that reduces the purity because the composition for screening the scallops is not described separately.

1 is a perspective view showing a mixer apparatus described in Korean Patent No. 10-1213340 (name of the invention: mixer apparatus capable of particle size selection).

The mixer apparatus 100 (hereinafter referred to as a prior art) of FIG. 1 includes a mixer 110, a sorting unit 120, a cover 130, and a vibration unit 140.

The mixer unit 110 forms the mixing space portion 111 introduced into the inside and mixes the substances introduced into the mixing space portion 111.

The sorting unit 120 is provided at the lower side of the mixer 110 to sort the mixed material by particle size, and includes a plurality of trippers 121 and a sorting screen 122. In this case, the plurality of trippers 121 are stacked in the vertical direction, and the screening screen 122 is provided between the respective trippers 121 to sort the material discharged from the mixer 110 according to the particle size, and the selected material. They are separated and discharged by the sorting discharge part 123 formed on one side of each tripper 121.

In addition, the selection unit 110 and the mixer unit 120 is provided so as to be separated from each other when the operation is coupled to one to rotate the contents in one direction by the vibration unit 140. As described above, the prior art 100 may perform a mixing operation and a sorting operation at the same time, thereby simplifying the process and saving time.

However, the prior art 100 does not consider the characteristics of aluminum having a low melting point and high ductility, and has a disadvantage in that aluminum is not mixed by the mixer unit 110 when aluminum is applied to the prior art 100.

In addition, the prior art 100 does not have a means for separately sorting the fibers mixed in the waste aluminum pulverized because the sorting unit 120 only performs particle size sorting when the waste aluminum is applied as a pulverized product, the purity of the waste aluminum pulverized product. Problem occurs.

The present invention is to solve this problem, the problem of the present invention is to screen the aluminum granules by the particle size by installing a screen at the bottom of each of the laminated sorting housings, and the aluminum granules not screened to the desired particle size It is to provide an aluminum granule particle size and electrostatic screening device that can increase the recovery rate of aluminum granules by reworking.

In addition, another object of the present invention is to install a friction plate that is rotated separately from the screen on the top of the screen to generate static electricity in the aluminum granules, thereby inducing entanglement of the fibers mixed in the aluminum granules, the fibers do not pass through the screen It is to provide an aluminum granule granularity and electrostatic screening device that can effectively select the fibers mixed in the aluminum granules by being discharged to the discharge outlet to significantly increase the purity of the aluminum granules.

In addition, another object of the present invention is to be installed on the top of the cover to force the rotation of the aluminum granules while moving to the inlet of the cover further comprises a spring conveyor (spring conveyor) to make the sorting of the fiber more efficient To provide an aluminum granule particle size and electrostatic screening device.

Solving means of the present invention for solving the above problems is formed in a cylindrical shape having an upper and lower portions having a discharge portion on one side, the sorting housings stacked in a multi-stage in the vertical direction; A screen unit including a screen formed of a net and installed in a lower opening of each of the sorting housings except the sorting housing at the bottom; A cover installed at an upper opening of the upper sorting housing and having an inflow portion into which the powder to be sorted is introduced; A support plate for sealing a lower opening of the lower sorting housing; A vibrator installed under the support plate to vibrate the sorting housings to rotate powder introduced into the sorting housings; A rotating shaft installed vertically inside the sorting housings through the center of the screen unit and rotated by a rotating motor; A center is coupled to the rotating shaft and includes a friction plate installed to be higher than each screen portion, the friction plate is to rotate in accordance with the rotation of the rotating shaft to generate an electrostatic force on the powder contacting the upper surface.

In addition, in the present invention, the friction plates are preferably formed smaller in diameter than the screen.

In addition, the present invention is formed in a funnel shape vertically open in the present invention is formed through holes through which the rotating shaft penetrates below, and is installed on the upper portion of each of the powder concentrating portion for dropping the powder passing through the screen portion to the friction plate It is preferable to further include.

In the present invention, it is preferable to further include a spherical blow holes accommodated in the inner space of each sorting housing.

In addition, the present invention further comprises a moving tube whose one end is connected to the inlet of the cover to move the powder introduced from the outside to the inlet, the moving tube is a spring for rotating the introduced powder therein to move to the inlet It is preferable that a conveyor is installed.

In addition, in the present invention, the screen unit preferably includes a support plate installed on the lower portion of the screen, and the silicon balls provided between the screen and the support plate.

According to the present invention having the above problems and solutions, it is possible to screen the aluminum granules by particle size by installing a screen under each of the stacked sorting housings, and to recover the aluminum granules by reworking the aluminum granules that are not selected to the desired granularity. To increase.

In addition, according to the present invention, a friction plate that is rotated separately from the screen is installed on the top of the screen to generate static electricity in the aluminum granules, thereby inducing entanglement of the fibers mixed in the aluminum granules, so that the fibers do not pass through the screen to the discharge portion. By being configured to be discharged it is possible to significantly increase the purity of the aluminum granules.

In addition, according to the present invention is installed on top of the cover by forcibly rotating the aluminum granules while moving it to the inlet of the cover further comprises a spring conveyor (spring conveyor) is made more efficient in the sorting of the fiber.

In addition, according to the present invention, the particle size selection and the fiber selection are performed simultaneously, thereby simplifying the process and reducing the processing time.

1 is a perspective view showing a mixer apparatus described in Korean Patent No. 10-1213340 (name of the invention: mixer apparatus capable of particle size selection).
Figure 2 is a side view showing a particle size and an electrostatic separator which is an embodiment of the present invention.
3 is a plan view of Fig.
FIG. 4 is an enlarged view illustrating A of FIG. 2.
5 is an exploded perspective view illustrating the screen unit of FIG. 2.
6 is a perspective view illustrating the powder concentrator of FIG. 2.
7 is a perspective view illustrating the friction plate of FIG. 2.
Figure 8 is a side view showing a particle size and sorting apparatus of another embodiment of the present invention.

Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 2 is a side view illustrating a particle size and an electrostatic separator according to an embodiment of the present invention, FIG. 3 is a plan view of FIG. 2, and FIG. 4 is an enlarged view of A of FIG. 2.

The particle size and the electrostatic separator 1 of FIGS. 2 and 3 are formed in a cylindrical shape with upper and lower portions opened, and have a discharge part 11 for discharging the sorted powder on one side, and the first, second, and third stacked vertically. , Fourth sorting housing (10), (20), (30), (40), and adjacent first, second, third, fourth sorting housing (10), (20), (30), A tension clamp 8 installed at the outer periphery of the 40 to contact the first, second, third, and fourth sorting housings 10, 20, 30, and 40 to open and close the adjacent first, second, third, and fourth sorting housings; The upper and lower parts of the first sorting housing 10, and the screen portion (3) which is installed in the lower portion of the second and third sorting housings 20, 30, respectively, to move only the powder of less than a predetermined particle size to the lower, The first, second, and third sorting housings 10, 20, and 30 are installed below each of the first, second, and third sorting housings 10, 20, and 30. The powder concentrating part 60 which makes the powder which passed the screen part 3 fall to the friction plate 5 mentioned later, and 1st, 2nd, 3rd, 4th line Inside the housing (10), (20), (30), (40), the rotary shaft penetrates the center of the screen parts 3, one end of which is connected to a rotating motor (not shown) and rotates according to the rotation of the rotating motor ( 50 and installed inside the first, second, third, and fourth sorting housings 10, 20, 30, and 40, but upward from the screen portion 3 or diaphragm 41. The center is mounted on the rotating shaft 50 so as to be spaced apart from the upper surface through the powder concentrator 60, the oscillation unit 7 for generating static electricity in the seated aluminum granules, and the first sorting housing ( 10) and a cover 9 having an inflow portion 91 into which the aluminum granules to be sorted are introduced on the upper surface and a fourth sorting housing 40 on the upper surface, and a vibrating portion 7 is installed on the lower surface. The support plate 6 and the first, second, and third sorting housings 10, 20, and 30 are installed inside each of the supporting plates 6 to hit the screen unit 3, thereby clogging the mesh. Billion It consists of a blow port (70) for.

At this time, the rotating shaft 50 penetrates the center of the screen part 3 but is mounted at the center of the friction plate 5 so that the screen part 3 does not rotate when the rotating shaft 50 is rotated, and the friction plate 5 is rotated. do.

The first, second, third, and fourth sorting housings 10, 20, 30, and 40 are formed in a cylindrical shape with upper and lower portions opened, and are stacked in a multistage fashion in a vertical direction. In this case, the sorting housings will be referred to as first, second, third, and fourth sorting housings 10, 20, 30, and 40 in a direction from the top to the bottom according to the stacked direction.

In addition, a cover 9 is installed at an upper portion of the first sorting housing 10, and a support plate 6 is installed at a lower portion of the fourth sorting housing 40. In this case, the screen unit 3 is installed between the first sorting housing 10 and the cover 9.

In addition, the first, second, third, and fourth sorting housing (10), (20), (30), (40) is formed with a discharge portion 11 protruding outward on one side. That is, the first, second, third, and fourth sorting housings 10, 20, 30, and 40 are rotated in one direction in the internal space by the vibrator 7 described later, Accordingly, the aluminum granules introduced into the upper portion of the screen part 3 rotate in one direction. That is, aluminum granules and foreign substances (fibers) that do not pass through the screen part 3 are discharged to the outside through the discharge part 11 of the sorting housing after moving to the edge by centrifugal force.

In addition, a screen portion 3 is not provided at the lower opening of the fourth sorting housing 40, and a diaphragm 41, which is a plate member on which no mesh is formed, is installed. The diaphragm 41 is formed to have an inclined surface in which the center thereof is raised above the edge rim when viewed in a plane, so that the aluminum granules passing through the screen portion 3 of the third sorting housing 30 are concentrated to the outside and the discharge portion 11 is disposed. To be easily discharged.

Also, the first, second, third, and fourth sorting housings 10, 20, 30, and 40 are bent from the side to the upper and lower ends of the side as shown in FIG. 4. The part 15 is formed. At this time, when the bent portion 15 is welded to the adjacent sorting housing, the bent portion of the adjacent sorting housing is welded, and the bent portions 15 and 25 are wrapped and bound by the tension clamp 8.

5 is an exploded perspective view illustrating the screen unit of FIG. 2.

The screen part 3 may have upper and lower portions of the first sorting housing 10 and upper and lower parts of the first sorting housing 10 to seal the lower openings of the second and third sorting housings 20 and 30. And the inner bottom of the third sorting housing 20 and 30.

In addition, the screen unit 3 is installed between the screen 31 of the mesh-shaped, the support plate 35 is installed on the lower portion of the screen 39, the screen 31 and the support plate 35 as shown in FIG. Consisting of silicon balls 33. In this case, the rotating shaft 50 penetrates the center of the screen unit 3 and is fixed regardless of the rotation of the rotating shaft 50.

The screen 31 has the largest mesh size of the screen 31 installed on the upper portion of the first sorting housing 10 so that the mesh size becomes smaller from the upper side to the lower side. Since the size of the mesh installed in the lower portion of the sorting housing 30 is formed to be the smallest, it is possible to sort by size in multiple stages.

As the silicon ball 33 vibrates up and down by the vibration of the vibrator 7, the aluminum granules introduced into the sorting housings 10, 20, 30, and 40 by hitting the screen 31. When it is rotated to perform the function of preventing the clogging of the powder caught on the mesh of the screen 39.

In addition, the support plate 35 is formed of a porous plate to support the silicon ball 33 and simultaneously move the aluminum granules passing through the screen 31 to the sorting housing located below.

The supporting plate 6 is provided with a fourth sorting housing 40 on an upper surface thereof, and a diaphragm 41 is formed on the upper surface thereof. At this time, the diaphragm 41 is formed in an inclined surface in which the center thereof is higher than the edge rim when viewed in a plane, so that the aluminum granules passing through the screen portion 3 of the third sorting housing 30 are concentrated to the outer edges and discharged ( 11) to be easily discharged.

The vibrator 7 is installed below the support plate 6 to generate vibrations directly on the support plate 6, and according to the vibration generated by the vibrator 7, the first, second, third, and fourth vibrations are provided. The rotary housing is generated in the sorting housings 10, 20, 30, and 40.

In addition, the vibrator 7 includes a vibration motor 73 and an elastic member 71 coupled to a lower portion of the fourth sorting housing 40, and the vibration motor 73 is connected to the fourth sorting housing 40 at high speed. Generate vibration. At this time, since the vibrating part 7 including the vibrating motor 73 and the elastic member 71 is a well-known technique, a detailed description of the configuration and operation method of the vibrating part 7 will be omitted.

That is, the rotary motion occurs in the sorting housings 10, 20, 30, and 40 by the vibration of the vibrator 7, and thus the aluminum granules introduced into the screen part 3 are in one direction. As it rotates to the aluminum granules and foreign substances that do not pass through the screen portion 3 is moved to the outer edge of the sorting housing by the centrifugal force is discharged to the outside through the discharge portion (11).

In addition, the rotating shaft 50 penetrates through the center of the screen portions 3 and the diaphragm 41, and the rotating shaft 50 is perpendicular to the interior of the sorting housings 10, 20, 30, and 40. Installed but rotated by a rotating means (not shown).

The blower 70 is formed in a spherical shape, the inner side of the first, second, third sorting housing 10, 20, 30, the screen portion 3 and the powder concentrating portion 70 It is accommodated in the space formed by.

In addition, the striking hole 70 is vibrated up and down by the vibration of the vibrator portion 7, and the aluminum granules caught on the mesh of the screen 39 by hitting the screen 31 of the screen portion 3 during the vibration screen 39 ) To fall off from.

6 is a perspective view illustrating the powder concentrator of FIG. 2.

The powder concentrating part 60 of FIG. 6 is formed in a funnel shape which is vertically opened upwardly, and a through hole 61 is formed below, and is installed below each of the screen parts 3.

In addition, both sides of the powder concentrator 60 are coupled by the tension clamp 8, and the rotation shaft 50 passes through the central opening.

In addition, the powder concentrator 60 performs the function of concentrating the aluminum granules introduced into the upper portion through the screen portion 3 to the lower opening, so that the aluminum granules introduced into each sorting housing by the powder concentrator 60 will be described later. It will fall to the upper surface of the friction plate 5 of FIG.

7 is a perspective view illustrating the friction plate of FIG. 2.

The friction plate 5 is formed of a disk which generates friction force, and is upward from the screen portion 3 or the diaphragm 41 in each of the sorting housings 10, 20, 30, and 40. The bearing is coupled to the rotating shaft 50 so as to be spaced apart and rotated according to the rotation of the rotating shaft 50.

That is, when the aluminum granules passing through the lower opening of the powder concentrating part 60 fall to the upper surface, the friction plate 5 generates static electricity in contact with the aluminum granules, and then rotates in accordance with the rotation of the rotation shaft 50, thereby resetting them by centrifugal force. The lower screen unit 3 is moved.

Looking at the operation of the particle size and the sorting device 1 of an embodiment of the present invention configured as described above, when the aluminum granules are introduced through the inlet 91 of the cover 9, the introduced aluminum granules are powder concentrator 60 ) To fall into the friction plate (5).

At this time, as the friction plate 5 is rotated, static electricity is generated in the aluminum granules, and thus the aluminum granules generated by the centrifugal force fall to the screen portion 3, and the fiber mixed with the aluminum granules as the screen portion 3 is rotated. 80 are entangled by the electrostatic force to move to the edge by the centrifugal force without passing through the screen portion 3 is discharged through the discharge portion (11).

Figure 8 is a side view showing a particle size and sorting apparatus of another embodiment of the present invention.

The particle size and sorting apparatus 300 of FIG. 8 includes the first, second, third, and fourth sorting housings 10, 20, 30, and 40 of the same configuration as described above with reference to FIG. 2. And, the cover 9, the screen portion (3), the backing plate (6), the vibrating portion (7), the rotating shaft 50, the friction plate (5), one end of the inlet 91 of the cover (9) It further comprises a moving tube 301 connected to.

The moving tube 301 is introduced into the aluminum granules having performed the previous process from one end, and the other end is connected to the inlet 91 of the cover 9 and the aluminum granules introduced through the one end are introduced to the inlet of the cover 9. Go to (91).

In addition, the moving pipe 301 is installed inside the spring conveyor (spring conveyor) (302) to generate a rotational movement in the moving aluminum granules so that the static electricity generated in the fiber having a weak charge.

That is, the spring conveyor 302 first generates static electricity in the fiber mixed in the aluminum granules and then introduces the static electricity into the first sorting housing 10 through the inlet 91 of the cover 9. Electrostatic screening is made easier.

As described above, the present invention generates vibration and rotational movements on the screen unit 3 to allow the sorting of the introduced aluminum granules and foreign matters by particle size and to mix the aluminum granules through the friction plate 5 and the spring conveyor 302. By being configured to allow the sorting of the fiber, the sorting operation and the fiber sorting operation by particle size can be performed through one process, which can drastically increase the purity and recovery rate of the aluminum granules, as well as reduce the process time and cost.

1: particle size and electrostatic separator 3: screen part 5: friction plate 6: support plate
7: Vibration part 8: Tension clamp 9: Cover
10, 20, 30, 40: 1st, 2nd, 3rd, 4th selective housing
11: outlet 31: screen 33: silicon ball
35: support plate 41: plate 50: rotating shaft
71: elastic member 73: vibration motor

Claims (6)

A sorting housing formed in a cylindrical shape having an upper and a lower part having an outlet on one side thereof, and stacked in a multistage fashion in a vertical direction;
A screen unit including a screen formed of a net and installed in a lower opening of each of the sorting housings except the sorting housing at the bottom;
A cover installed at an upper opening of the upper sorting housing and having an inflow portion into which the powder to be sorted is introduced;
A support plate for sealing a lower opening of the lower sorting housing;
A vibrator installed under the support plate to vibrate the sorting housings to rotate powder introduced into the sorting housings;
A rotating shaft installed vertically inside the sorting housings through the center of the screen unit and rotated by a rotating motor;
A center plate is coupled to the rotating shaft and includes friction plates installed upwardly from each screen unit,
The friction plates are rotated in accordance with the rotation of the rotary shaft to generate an electrostatic force to the powder contacting the upper surface, characterized in that the particle size and electrostatic separator. The particle size and electrostatic separator of claim 1, wherein the friction plates are smaller in diameter than the screen. 3. The powder concentrating part of claim 2, wherein a through hole is formed in a funnel shape vertically open upward and penetrates the rotating shaft downward, and is installed at an upper portion of each screen part to drop powder passing through each screen part to the friction plate. Particle size and electrostatic sorter, characterized in that it further comprises. The particle size and electrostatic separator of claim 1, further comprising spherical blow holes accommodated in the inner space of each sorting housing. According to any one of claims 1 to 4, One end is further connected to the inlet portion of the cover further comprises a moving tube for moving the powder introduced from the outside to the inlet,
The moving tube is a particle size and electrostatic separator, characterized in that the spring conveyor is installed to rotate the introduced powder to move to the inlet. The particle size and electrostatic separator of claim 5, wherein the screen unit includes a support plate installed below the screen, and silicon balls installed between the screen and the support plate.

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