KR20230112225A - Static electricity separator - Google Patents

Abstract

The present invention relates to an electrostatic separator that separates a conductive chip, which is a metal type, and an insulator chip, which is a plastic type, using static electricity.
In the electrostatic sorter according to the present invention, an upper sorting means 20 and a lower sorting means 30 are arranged in two upper and lower layers inside the main body 10, and the upper sorting means 20 is composed of a primary drum 21, a first corona electrode 22, and a first induction electrode 23, and the lower sorting means 30 is composed of a second drum 31, a secondary corona electrode 32, and a second induction electrode 33, The mixed raw material is supplied to the primary drum 21 through the vibrating feeder 40 mounted on the main body 10, the primary screening chute 50 is disposed between the primary drum 21 and the secondary drum 31, the primary screening chute 50 is composed of a conductor chute 51, an intermediate chute 52 and an insulator chute 53, and an intermediate chute 52 between the conductor chute 51 and the insulator chute 53 is disposed, the secondary drum 31 is disposed under the intermediate chute 52, and the secondary screening cylinder 60 is disposed under the secondary drum 31, so that the secondary screening cylinder 60 is a conductor screening cylinder 61, It is characterized in that it consists of an intermediate screening cylinder 62 and an insulator screening cylinder 63.

Description

STATIC ELECTRICITY SEPARATOR}

The present invention relates to an electrostatic sorter that separates a conductive chip, which is a metal type, and an insulator chip, which is a plastic type, using static electricity, and more particularly, relates to an electrostatic sorter in which an upper sorting means and a lower sorting means are arranged in two stages inside a main body, and conductive raw materials that are not separated during the first sorting in the upper sorting means are secondarily sorted again in the lower sorting means.

Korean Patent No. 10-0499245 (registered on June 24, 2005) introduces a "complex sorting device".

The composite sorting device is provided with a drum electrode, a needle-shaped electrode, and a plate-shaped electrode, and in the multiple sorting device for separating a mixture of copper wire and plastic pieces, a plurality of needle-shaped electrodes are arranged so that the interval between adjacent discharge units for the distance from the tip of these discharge units to the drum electrode satisfies 0<X/L1≤3, and each discharge unit is formed so that the irradiation area of corona ions formed on the drum electrode has a diameter three times the diameter of the distance, The voltage applied between the upper electrode and the drum electrode was set to satisfy 0.5 (kV/cm) ≤ V1/L1 ≤ 10 (kV/cm).

However, the complex type sorting device completed the sorting operation by the first sorting and used needle-shaped electrodes for corona discharge, so the distribution of corona ions was not uniform, and the positions of the corona electrodes and induction electrodes were adjusted up, down, left and right. The configuration is not described.

Korean Patent No. 10-0459988 (registered on November 25, 2004) introduces "an apparatus and method for separating unburned carbon in fly ash by a complex corona-electrostatic field".

The device for separating unburnt carbon content in fly ash by the complex corona-static field includes a bunker for collecting raw materials, a chute for supplying raw materials collected in the bunker into the device with a uniform thickness, a drum rotatable by a motor, attaching raw materials supplied from the chute to its outer surface and rotating it, a first discharge means provided on the top of the drum and generating electrostatic discharge by applying a first voltage to separate the raw materials, a first discharge means provided on the upper part of the drum and applying a second voltage to separate the raw materials to generate corona discharge 2 discharge means, a collection means for collecting the conductor, intermediate product, and insulator separated from the raw material in the first and second discharge means, respectively, and an intermediate product supply means for supplying the intermediate products collected by the collection means to the bunker.

However, the apparatus for separating unburnt carbon in fly ash by the composite corona-electrostatic field completes the sorting operation by the first sorting, and there is no specific description of the corona electrode for the first corona discharge, and the first and second discharge means.

Accordingly, an object of the present invention is to provide an electrostatic sorter capable of increasing the sorting rate by arranging an upper sorting means and a lower sorting means inside the main body in two stages, and re-separating the conductive raw material that is not separated during the first sorting in the upper sorting means in the second sorting in the lower sorting means, reducing abrasion and noise on the surface of the drum by installing a rubber scraper, and adjusting the arrangement position of corona electrodes and induction electrodes, thereby increasing the sorting rate.

An example of the electrostatic sorter according to the present invention for achieving the above object is that the upper sorting means and the lower sorting means are disposed in two upper and lower stages inside the main body, the upper sorting means is composed of a first drum, a first corona electrode and a first induction electrode, and the lower sorting means is composed of a second drum, a second corona electrode and a second induction electrode, and mixed raw materials are supplied to the first drum through a vibrating feeder mounted on the main body, and between the first drum and the second drum A primary screening chute is disposed, the primary screening chute is composed of a conductor chute, an intermediate chute, and an insulator chute, an intermediate chute is disposed between the conductor chute and the insulator chute, a secondary drum is disposed under the intermediate chute, and a secondary screening trough is disposed below the secondary drum.

The primary drum is made of a metal material, formed in a cylindrical shape, grounded and used as an anode, and a scraper made of rubber is disposed opposite to the primary corona electrode, so that the edge blade of the scraper is in close contact with the outer circumferential surface. Insulator particles attached to the outer circumferential surface are separated by the scraper and fall into an insulator chute, and the primary corona electrode has a wire shape, so that corona ions are uniformly discharged to the outer circumferential surface.

It is characterized in that the first corona electrode and the first induction electrode are mounted on a positioning means, and the distance between them and the first drum is adjusted by the positioning means.

In the positioning means, two vertical rods are mounted on the upper end of the body, both ends of a horizontal member are mounted on the lower end of the vertical rod, two sliders are mounted on the horizontal member, so that the slider can be moved left and right along the horizontal member, each slider is equipped with an elevating rod, respectively, the elevating rod can be moved up and down relative to its own slider, a primary corona electrode is mounted on the lower end of the elevating rod, and a link rod is connected to the lower end of the elevating rod by a link pin, It is characterized in that the primary induction electrode is mounted on the free end of the link rod.

A ruler is formed on the horizontal member and the elevating rod, and the arrangement position of the primary corona electrode and the slider is confirmed by the ruler.

Accordingly, the electrostatic sorter according to the present invention can increase the sorting rate by re-separating the conductor raw material that was not separated during the first sorting in the upper sorting means in the second sorting in the lower sorting means, and adjust the rotation speed of the first drum and the second drum to adjust the sorting amount and sorting rate, reduce wear and noise on the drum surface by installing a rubber scraper, and adjust the position of the corona electrode and the induction electrode, thereby increasing the sorting rate.

1 is a configuration diagram showing an electrostatic separator according to the present invention
2 is a perspective view schematically showing a state in which a primary corona electrode and a scraper are disposed in a primary drum;
3 is a front view showing a positioning means for mounting a primary corona electrode and a primary induction electrode;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

Referring to FIG. 1, the electrostatic sorter according to the present invention has an upper sorting means 20 and a lower sorting means 30 arranged in two upper and lower tiers inside a main body 10, and the upper sorting means 20 is composed of a primary drum 21, a primary corona electrode 22, and a primary induction electrode 23, and the lower sorting means 30 includes a secondary drum 31, a secondary corona electrode 32, and a secondary induction electrode ( 33), the mixed raw material is supplied to the primary drum 21 through the vibrating feeder 40 mounted on the main body 10, the primary screening chute 50 is disposed between the primary drum 21 and the secondary drum 31, the primary screening chute 50 is composed of a conductor chute 51, an intermediate chute 52 and an insulator chute 53, and is disposed between the conductor chute 51 and the insulator chute 53 An intermediate chute 52 is disposed in the middle chute 52, a secondary drum 31 is disposed under the intermediate chute 52, and a secondary sorting cylinder 60 is disposed under the secondary drum 31.

Referring to FIG. 2, the primary drum 21 is made of a metal material, is formed in a cylindrical shape, is grounded and used as an anode, and a scraper 70 made of rubber is disposed opposite to the primary corona electrode 22, so that the edge blade 71 of the scraper 70 is in close contact with the outer circumferential surface, so that the insulator particles attached to the outer circumferential surface are separated by the scraper 70 and fall to the insulator chute 53, and the corona primary electrode Since (22) has a wire shape, corona ions are uniformly discharged to the outer peripheral surface.

The scraper 70 is formed of a rubber material in a straight line, so that the edge blade 71 is in close contact with the outer circumferential surface of the primary drum 21 to separate the insulator particles attached to the outer circumferential surface of the rotating primary drum 21, thereby reducing surface wear and noise generation of the primary drum 21.

1 and 3, the first corona electrode 22 and the first induction electrode 23 are mounted on a positioning means 80, and the distance between them and the first drum 21 is adjusted by the positioning means 80.

In the positioning means 80, two vertical rods 81 and 82 are mounted on the upper end of the main body 10, both ends of a horizontal member 83 are mounted on the lower end of the vertical rods 81 and 82, and two sliders 84 and 85 are mounted on the horizontal member 83 so that the sliders 84 and 85 can move left and right along the horizontal member 83, and the sliders 84 and 85 move up and down, respectively. The steel rods 86 and 87 are mounted, respectively, so that the elevating rods 86 and 87 can move up and down relative to their sliders 84 and 85, the primary corona electrode 22 is mounted at the lower end of the elevating rod 86, the link rod 88 is connected to the lower end of the elevating rod 87 by a link pin 88a, and the free end of the link rod 88 has a primary induction electrode 2 3) is installed.

Rulers are formed on the horizontal member 83 and the elevating rods 86 and 87, and the placement positions of the primary corona electrode 22 and the sliders 84 and 85 are confirmed by the ruler.

The configuration of the secondary drum 31, the secondary corona electrode 32, and the secondary induction electrode 33 of the lower sorting means 30 is the same as the configuration of the primary drum 21, the primary corona electrode 22, and the first induction electrode 23 of the upper sorting means 20.

In the electrostatic sorter according to the present invention configured as described above, the mixed raw material is uniformly supplied to the rotating primary drum 21 by the vibrating feeder 40, corona ions are discharged from the primary corona electrode 22 to the primary drum 21, and an electric field for sorting is formed between the primary induction electrode 23 as a cathode and the primary drum 21 as an anode, so that conductive particles such as metal pieces are repelled from the primary drum 21 and the conductor chute 51 , and insulator particles such as plastic pieces are adsorbed to the rotating primary drum 21, separated from the primary drum 21 by the scraper 70, and then dropped into the insulator chute 53.

At this time, the mixture of the conductive particles and the plastic particles is not completely sorted and falls from the primary drum 21 to the intermediate chute 52.

In this way, the mixture dropped into the middle chute 52 is sorted again by the second drum 31, the second corona electrode 32, and the second induction electrode 33 of the lower sorting means 30, like the action of the first drum 21, the first corona electrode 22, and the first induction electrode 23 of the upper sorting means 20, and the conductive particles fall into the conductor sorting cylinder 61, and the insulator particles fall into the insulator It falls into the sorting box 63, and the mixture that is not completely sorted even by the secondary sorting means 30 falls into the middle sorting box 60.

Meanwhile, the conductor particles falling into the conductor chute 51 are supplied to the conductor sorting cylinder 61, and the insulator particles falling into the insulator chute 53 fall into the insulator sorting cylinder 63.

The electrostatic sorter according to the present invention as described above is manufactured in two stages with an upper sorting means 20 and a lower sorting means 30, and the conductive material that is not separated during the first sorting in the upper sorting means 20 is re-sorted secondly in the lower sorting means 30 to increase the sorting rate. Wear and noise generation can be reduced, and the arrangement position of the corona electrode and the induction electrode can be adjusted, which has the advantage of increasing the selection rate.

10: main body 20: upper sorting means
21: first drum 22: first corona electrode
23: first induction electrode 30: lower sorting means
31: secondary drum 32: secondary corona electrode
33: second induction electrode 40: vibration feeder
50: 1st sorting chute 60: 2nd sorting trough

Claims (5)

Inside the body 10, the upper sorting means 20 and the lower sorting means 30 are arranged in two upper and lower stages. The upper sorting means 20 is composed of a primary drum 21, a first corona electrode 22 and a first induction electrode 23, and the lower sorting means 30 is composed of a second drum 31, a secondary corona electrode 32 and a secondary induction electrode 33, mounted on the main body 10. The mixed raw material is supplied to the primary drum 21 through the vibrating feeder 40, the primary sorting chute 50 is disposed between the primary drum 21 and the secondary drum 31, the primary sorting chute 50 is composed of a conductor chute 51, an intermediate chute 52 and an insulator chute 53, an intermediate chute 52 is disposed between the conductor chute 51 and the insulator chute 53, and the intermediate chute ( 52), the secondary drum 31 is disposed under the secondary drum 31, and the secondary sorting cylinder 60 is disposed under the secondary drum 31, so that the secondary sorting cylinder 60 is a conductor sorting cylinder 61. An electrostatic separator, characterized in that composed of an intermediate screening cylinder 62 and an insulator screening cylinder 63.
According to claim 1,
The primary drum 21 is made of a metal material, is formed in a cylindrical shape, is grounded and used as an anode, and a scraper 70 made of rubber is disposed opposite to the primary corona electrode 22, so that the edge blade 71 of the scraper 70 is in close contact with the outer circumferential surface. By having, the electrostatic separator characterized in that corona ions are uniformly discharged to the outer circumferential surface.
According to claim 1,
The first corona electrode (22) and the first induction electrode (23) are mounted on a positioning means (80), and the distance between them and the first drum (21) is adjusted by the positioning means (80) Electrostatic sorter, characterized in that.
According to claim 3,
In the positioning means 80, two vertical rods 81 and 82 are mounted on the upper end of the main body 10, both ends of a horizontal member 83 are mounted on the lower end of the vertical rods 81 and 82, and two sliders 84 and 85 are mounted on the horizontal member 83 so that the sliders 84 and 85 can move left and right along the horizontal member 83, and the sliders 84 and 85 move up and down, respectively. The steel rods 86 and 87 are mounted, respectively, so that the elevating rods 86 and 87 can move up and down relative to their sliders 84 and 85, the primary corona electrode 22 is mounted at the lower end of the elevating rod 86, the link rod 88 is connected to the lower end of the elevating rod 87 by a link pin 88a, and the free end of the link rod 88 has a primary induction electrode 2 3) All-electric selector, characterized in that is mounted.
According to claim 4,
Rulers are formed on the horizontal member 83 and the elevating rods 86 and 87, so that the arrangement positions of the primary corona electrode 22 and the sliders 84 and 85 are confirmed by the ruler Electrostatic sorter, characterized in that.

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