阅读说明：本技术 静电分选机 (Electrostatic separator ) 是由 张峰 陈帮 王旭 王晓波 刘方明 于 2020-10-20 设计创作，主要内容包括：本发明涉及静电分选技术领域,提供了一种静电分选机,包括：机架,包括第一分选料仓和第二分选料仓,第二分选料仓与第一分选料仓之间设有中间卸料口；振动给料装置,与第一分选料仓顶部的入料口相连；其中,第一分选料仓内设有第一接地辊筒和与第一接地辊筒连接的第一驱动机构,第一接地辊筒与入料口对应设置,第二分选料仓内设有第二接地辊筒和与第二接地辊筒连接的第二驱动机构,第二接地辊筒与中间卸料口对应设置,且第一接地辊筒和第二接地辊筒的后侧分别设有第一集料装置和第二集料装置,前侧分别设有位置可调节的第一荷电输出机构和第二荷电输出机构。该静电分选机不仅可调整荷电场的电场强度,还可有效提高分选效率和分选效果。(The invention relates to the technical field of electrostatic sorting, and provides an electrostatic sorting machine, which comprises: the machine frame comprises a first sorting bin and a second sorting bin, and an intermediate discharge opening is formed between the second sorting bin and the first sorting bin; the vibration feeding device is connected with the feeding port at the top of the first sorting bin; the first sorting bin is internally provided with a first grounding roller and a first driving mechanism connected with the first grounding roller, the first grounding roller is arranged corresponding to the feeding port, the second sorting bin is internally provided with a second grounding roller and a second driving mechanism connected with the second grounding roller, the second grounding roller is arranged corresponding to the middle discharge port, the rear sides of the first grounding roller and the second grounding roller are respectively provided with a first material collecting device and a second material collecting device, and the front sides of the first grounding roller and the second grounding roller are respectively provided with a first charge output mechanism and a second charge output mechanism with adjustable positions. The electrostatic separator can not only adjust the electric field intensity of a charge field, but also effectively improve the separation efficiency and the separation effect.)

1. An electrostatic separator for separating metallic and non-metallic materials, comprising:

the machine frame comprises a first sorting bin and a second sorting bin positioned below the first sorting bin, and an intermediate discharge opening is formed between the second sorting bin and the first sorting bin;

the vibration feeding device is arranged at the top of the first sorting bin, the first sorting bin is provided with a feeding opening, and the vibration feeding device is connected with the feeding opening;

the first sorting bin is internally provided with a first grounding roller and a first driving mechanism connected with the first grounding roller, the first grounding roller is arranged corresponding to the feeding port, the rear side of the first grounding roller is provided with a first material collecting device, the front side of the first grounding roller is provided with a first charge output mechanism, and the relative position of the first charge output mechanism and the first grounding roller is adjustable;

the second sorting bin is internally provided with a second grounding roller and a second driving mechanism connected with the second grounding roller, the second grounding roller is arranged corresponding to the middle discharge opening, the rear side of the first grounding roller is provided with a second material collecting device, the front side of the first grounding roller is provided with a second charge output mechanism, and the relative position of the second charge output mechanism and the second grounding roller is adjustable.

2. The electrostatic classifier of claim 1, wherein the first charge output mechanism and the second charge output mechanism each comprise:

the insulator is arranged on the insulating base of the rack;

the conductive mounting bodies are arranged on the insulator at intervals and are used for being connected with a power supply;

the corona electrodes are correspondingly arranged on the conductive mounting bodies;

the adjusting mechanism comprises a first adjusting piece and a second adjusting piece, wherein the first adjusting piece and the second adjusting piece are connected with the plurality of conductive installation bodies, the first adjusting piece is used for adjusting the distance between the plurality of conductive installation bodies, and the second adjusting piece is used for adjusting the distance between the plurality of conductive installation bodies and the first grounding roller or the second grounding roller.

3. The electrostatic classifier of claim 2,

the insulator is an arc insulator, and the arc insulator is rotatably connected with the insulating base of the rack.

4. The electrostatic classifier of claim 1, wherein the vibratory feed device comprises:

a feeding hopper;

the electromagnetic vibration feeder comprises a feeding hopper connected with the feeding hopper, the feeding hopper is connected with the feeding port, and the electromagnetic vibration feeder is suitable for driving the feeding hopper to reciprocate so as to send the materials in the feeding hopper into the first separation bin;

the feeding hopper is arranged in a manner that the feeding hopper is inclined from top to bottom from one end connected with the feeding hopper to the other end connected with the feeding port.

5. The electrostatic classifier of claim 1,

the first driving mechanism comprises a first driving motor and a first speed reducer connected with the first driving motor, and the first grounding roller is in transmission connection with an output shaft of the first speed reducer through a belt; and/or

The second driving mechanism comprises a second driving motor and a second speed reducer connected with the second driving motor, and the second grounding roller is in transmission connection with an output shaft of the second speed reducer through a belt.

6. The electrostatic classifier of claim 1,

the first material collecting device comprises a first non-metal material collecting hopper, a third roller and a third driving mechanism, wherein the third roller is arranged in the first non-metal material collecting hopper, the third driving mechanism is connected with the third roller, a first insulating brush is arranged on the third roller, and the first insulating brush is in contact fit with the first grounding roller and is used for scraping materials on the first grounding roller into the first non-metal material collecting hopper.

7. The electrostatic classifier of claim 1,

the second device that gathers materials includes the nonmetal material collecting hopper of second, locates fourth roller in the nonmetal material collecting hopper of second and with the fourth actuating mechanism that the fourth roller links to each other, be equipped with the insulating brush of second on the fourth roller, the insulating brush of second with second ground connection roller contact cooperation is used for with material on the second ground connection roller is scraped in the nonmetal material collecting hopper of second.

8. The electrostatic classifier of claim 1,

a first blocking plate is arranged on the rear side of the first grounding roller and is rotationally connected with the first sorting bin;

and a second barrier plate is arranged at the rear side of the second grounding roller and is rotationally connected with the first sorting bin.

9. The electrostatic classifier of claim 1,

the machine frame comprises an upper machine frame and a lower machine frame connected with the upper machine frame, the upper machine frame defines the first sorting bin, and the lower machine frame defines the second sorting bin; and/or

And a metal material collecting hopper is arranged in the second sorting bin and is arranged below the second grounding roller.

10. The electrostatic classifier of claim 1, further comprising:

and the air inlet pipe is arranged on the first sorting bin and communicated with the first sorting bin.

Technical Field

The invention relates to the technical field of sorting machines, in particular to an electrostatic sorting machine.

Background

Electrostatic separation is a separation method that uses the difference in dielectric properties between different materials. The existing electrostatic sorting machine adopts a single-electrode charge output mechanism, and the intensity of a charge electric field is influenced by various factors except voltage, so that the insufficient charge intensity is easily caused, and the sorting efficiency is influenced. In addition, the existing electrostatic separator only sorts once, and the final sorting effect is poor.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the electrostatic separator which adopts two separation processes, and the relative position of the charged output mechanism and the roller in the separation process can be adjusted, so that the electric field intensity of a charged field can be adjusted, and the separation efficiency and the separation effect can be effectively improved.

The present invention provides an electrostatic classifier comprising: the machine frame comprises a first sorting bin and a second sorting bin positioned below the first sorting bin, and an intermediate discharge opening is formed between the second sorting bin and the first sorting bin; the vibration feeding device is arranged at the top of the first sorting bin, the first sorting bin is provided with a feeding opening, and the vibration feeding device is connected with the feeding opening; the first sorting bin is internally provided with a first grounding roller and a first driving mechanism connected with the first grounding roller, the first grounding roller is arranged corresponding to the feeding port, the rear side of the first grounding roller is provided with a first material collecting device, the front side of the first grounding roller is provided with a first charge output mechanism, and the relative position of the first charge output mechanism and the first grounding roller is adjustable; the second sorting bin is internally provided with a second grounding roller and a second driving mechanism connected with the second grounding roller, the second grounding roller is arranged corresponding to the middle discharge opening, the rear side of the first grounding roller is provided with a second material collecting device, the front side of the first grounding roller is provided with a second charge output mechanism, and the relative position of the second charge output mechanism and the second grounding roller is adjustable.

According to one embodiment of the present invention, the first charge output mechanism and the second charge output mechanism each include: the insulator is arranged on the insulating base of the rack; the conductive mounting bodies are arranged on the insulator at intervals and are used for being connected with a power supply; the corona electrodes are correspondingly arranged on the conductive mounting bodies; the adjusting mechanism comprises a first adjusting piece and a second adjusting piece, wherein the first adjusting piece and the second adjusting piece are connected with the plurality of conductive installation bodies, the first adjusting piece is used for adjusting the distance between the plurality of conductive installation bodies, and the second adjusting piece is used for adjusting the distance between the plurality of conductive installation bodies and the first grounding roller or the second grounding roller.

According to one embodiment of the invention, the insulator is an arc insulator which is rotatably connected with the insulating base of the frame.

According to one embodiment of the invention, the vibratory feed device comprises: a feeding hopper; the electromagnetic vibration feeder comprises a feeding hopper connected with the feeding hopper, the feeding hopper is connected with the feeding port, and the electromagnetic vibration feeder is suitable for driving the feeding hopper to reciprocate so as to send the materials in the feeding hopper into the first separation bin; the feeding hopper is arranged in a manner that the feeding hopper is inclined from top to bottom from one end connected with the feeding hopper to the other end connected with the feeding port.

According to one embodiment of the invention, the first driving mechanism comprises a first driving motor and a first speed reducer connected with the first driving motor, and the first grounding roller is in transmission connection with an output shaft of the first speed reducer through a belt; and/or the second driving mechanism comprises a second driving motor and a second speed reducer connected with the second driving motor, and the second grounding roller is in transmission connection with an output shaft of the second speed reducer through a belt.

According to one embodiment of the invention, the first collecting device comprises a first non-metallic material collecting hopper, a third roller arranged in the first non-metallic material collecting hopper and a third driving mechanism connected with the third roller, wherein a first insulating brush is arranged on the third roller, and the first insulating brush is in contact fit with the first grounding roller and is used for scraping materials on the first grounding roller into the first non-metallic material collecting hopper.

According to one embodiment of the invention, the second collecting device comprises a second non-metallic material collecting hopper, a fourth roller arranged in the second non-metallic material collecting hopper and a fourth driving mechanism connected with the fourth roller, wherein a second insulating electric brush is arranged on the fourth roller, and the second insulating electric brush is in contact fit with the second grounding roller and is used for scraping the material on the second grounding roller into the second non-metallic material collecting hopper.

According to one embodiment of the invention, a first blocking plate is arranged at the rear side of the first grounding roller and is in rotary connection with the first sorting bin;

and a second barrier plate is arranged at the rear side of the second grounding roller and is rotationally connected with the first sorting bin.

According to one embodiment of the invention, the frame comprises an upper frame defining the first sorting bin and a lower frame connected to the upper frame defining the second sorting bin; and/or a metal material collecting hopper is arranged in the second sorting bin, and the metal material collecting hopper is arranged below the second grounding roller.

According to an embodiment of the present invention, the electrostatic classifier further comprises: and the air inlet pipe is arranged on the first sorting bin and communicated with the first sorting bin.

The electrostatic separator provided by the invention adopts two separation processes, and the relative position of the charged output mechanism and the roller in the separation process can be adjusted, so that the electric field intensity of a charged field can be adjusted, and the separation efficiency and the separation effect can be effectively improved.

Drawings

Fig. 1 is a schematic front view of an electrostatic classifier according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a vibratory feeding apparatus according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first charge output mechanism and a second charge output mechanism according to an embodiment of the present invention.

The reference numbers illustrate:

1: an electrostatic classifier; 10: a frame; 101: an upper frame; 1011: a first sorting bin; 1012: a first barrier plate; 102: a lower frame; 1021: a second sorting bin; 1022: a metal material collecting hopper; 1023: a second barrier panel; 103: a middle discharge opening; 20: a vibratory feeding device; 201: a feeding hopper; 202: an electromagnetic vibrating feeder; 2021: feeding a hopper; 30: a first ground roller; 40: a first charge output mechanism; 401: a power supply; 402: an insulator; 403: an installation body; 404: a corona electrode; 50: a first drive mechanism; 501: a first drive motor; 502: a first speed reducer; 60: a first aggregate device; 70: a second grounded roller; 80: a second charge output mechanism; 90: a second drive mechanism; 901: a second drive motor; 902: a second speed reducer; 100: a second aggregate device; 110: an air inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1, the present invention provides an electrostatic classifier 1 including: the machine frame 10 comprises a first sorting bin 1011 and a second sorting bin 1021 below the first sorting bin 1011, and an intermediate discharge opening 103 is arranged between the second sorting bin 1021 and the first sorting bin 1011; the vibration feeding device 20 is arranged at the top of the first sorting bin 1011, a feeding opening is formed in the first sorting bin 1011, and the vibration feeding device 20 is connected with the feeding opening; the first sorting bin 1011 is internally provided with a first grounding roller 30 and a first driving mechanism 50 connected with the first grounding roller 30, the first grounding roller 30 is arranged corresponding to the feeding port, the rear side of the first grounding roller 30 is provided with a first material collecting device 60, the front side of the first grounding roller 30 is provided with a first charged output mechanism 40, and the relative positions of the first charged output mechanism 40 and the first grounding roller 30 are adjustable; a second grounding roller 70 and a second driving mechanism 90 connected with the second grounding roller 70 are arranged in the second sorting bin 1021, the second grounding roller 70 is arranged corresponding to the middle discharge opening 103, the rear side of the first grounding roller 30 is provided with a second collecting device 100, the front side of the first grounding roller is provided with a second charge output mechanism 80, and the relative position of the second charge output mechanism 80 and the second grounding roller 70 is adjustable.

An electrostatic separator 1 according to an embodiment of the present invention includes: the vibration feeding device comprises a machine frame 10 and a vibration feeding device 20, wherein the machine frame 10 comprises a first sorting bin 1011 and a second sorting bin 1021 which is arranged below the first sorting bin 1011 and communicated with the first sorting bin 1011 through a middle discharging opening 103, and the vibration feeding device 20 is arranged at the top of the first sorting bin 1011 and communicated with the first sorting bin 1011 through a feeding opening of the first sorting bin 1011; the first sorting bin 1011 is internally provided with a first grounding roller 30 which is arranged corresponding to the feeding port, the first grounding roller 30 continuously rotates under the driving of a first driving mechanism 50, metal materials and non-metal materials fall to the first grounding roller 30 through the feeding port, and a first charge output mechanism 40 is arranged on the front side of the first grounding roller 30, the first charge output mechanism 40 is connected with a power supply 401 to obtain high voltage of about 10 KV-40 KV, and air nearby the first charge output mechanism can be ionized under the action of the high voltage, so that the metal materials and the non-metal materials can be charged, and in the sorting process, the first charge output mechanism 40 can adjust the relative distance with the first grounding roller 30 as required, so as to adjust the electric field intensity and ensure the sorting efficiency. Because the first grounding roller 30 is connected with the ground, the metal materials can quickly lose electric charges due to good conductivity, so that the metal materials can be separated from the first grounding roller 30 under the action of centrifugal force, gravity and air damping force of the first grounding roller 30 and enter the second sorting bin 1021 from the middle discharge opening 103; the non-metal material is difficult to lose electric charge due to poor electric conduction capability, tightly pastes on first ground connection roller 30 under the electric field force effect, and when first ground connection roller 30 ran to first device 60 that gathers materials, the insulating scraper blade on the first device 60 that gathers materials can be scraped it into in the non-metal collecting hopper. Most of the metallic material and a small amount of non-metallic material enter the second sorting bin through the intermediate discharge opening 103 under the action of gravity. The non-metal materials finish the same sorting operation in the first sorting bin again in the second sorting bin, and most of the non-metal materials overcome the action of electric field force under the action of centrifugal force and enter the metal material collecting hopper at the bottom of the second sorting bin 1021, so that all sorting operations are finished. This electrostatic separation machine 1, through adopting twice sorting process, and the relative position of lotus output mechanism and ground roller is adjustable in sorting process to adjustable electric field strength is with effectively improving separation efficiency and sorting effect.

As shown in fig. 3, according to an embodiment of the present invention, each of the first charge output mechanism 40 and the second charge output mechanism 80 includes: an insulator 402 disposed on an insulating base of the housing 10; a plurality of conductive mounting bodies 403, the plurality of conductive mounting bodies 403 being disposed on the insulator 402 at intervals and being for connection with the power supply 401; a plurality of corona electrodes 404, wherein the plurality of corona electrodes 404 are correspondingly arranged on the plurality of conductive mounting bodies 403; and the adjusting mechanism comprises a first adjusting piece and a second adjusting piece, wherein the first adjusting piece and the second adjusting piece are connected with the plurality of conductive installation bodies 403, the first adjusting piece is used for adjusting the distance between the plurality of conductive installation bodies 403, and the second adjusting piece is used for adjusting the distance between the plurality of conductive installation bodies 403 and the first grounding roller 30 or the second grounding roller 70.

The first charge output mechanism 40 and the second charge output mechanism 80 have the same structure, and both include: insulator 402, a plurality of conductive mounts 403, a plurality of corona electrodes 404, and an adjustment mechanism. The insulator 402 is mounted on an insulating base of the rack 10, the plurality of conductive mounting bodies 403 are mounted on the insulator 402 (for example, screwed), the plurality of corona electrodes 404 are correspondingly arranged on the plurality of mounting bodies 403, one ends of the plurality of conductive mounting bodies 403 are connected with a positive electrode of the power supply 401, the other ends of the plurality of corona electrodes are connected with a negative electrode of the power supply 401, the voltage can be increased to 10 KV-40 KV through a power conversion mechanism, the corona electrodes 404 are made of good conductors of 0.1 mm-0.6 mm, the corona electrodes have high strength, nearby air can be ionized after high voltage is applied, and further nearby metal materials and non-metal materials can be charged. The distance between the conductive mounting bodies 403 can be adjusted by a first adjusting member (such as a screw or a bolt) to locally adjust the electric field strength. And the vertical distance between the conductive installation bodies 403 and the first grounding roller 30 or the second grounding roller 70 can be adjusted by a second adjusting member (such as a screw or a bolt), so that the improvement of the charging efficiency of the metal materials and the non-metal materials is facilitated, and the improvement of the separation efficiency is facilitated.

As shown in fig. 3, according to one embodiment of the present invention, the insulator 402 is an arc insulator 402, and the arc insulator 402 is rotatably coupled to the insulating base of the housing 10.

The arc insulator 402 is matched with the grounding roller in shape, the arc insulator 402 and the grounding roller are adjusted in angle by rotating the arc insulator 402, the purpose of adjusting the local electric field intensity is achieved, and the structure and the principle are simple and easy to achieve.

As shown in fig. 2, according to one embodiment of the present invention, the vibratory feeding apparatus 20 includes: a hopper 201; the electromagnetic vibration feeder 202 comprises a lower hopper 2021 connected with the feeding hopper 201, the lower hopper 2021 is connected with the feeding port, and the electromagnetic vibration feeder 202 is suitable for driving the lower hopper 2021 to reciprocate so as to feed the materials in the feeding hopper 201 into the first sorting bin 1011; the lower hopper 2021 is inclined from top to bottom from the end connected to the feeding hopper 201 to the end connected to the feeding port.

As shown in fig. 1, according to an embodiment of the present invention, the first driving mechanism 50 includes a first driving motor 501 and a first speed reducer 502 connected to the first driving motor 501, and the first grounding roller 30 is connected to an output shaft of the first speed reducer 502 through a belt transmission.

As shown in fig. 1, according to an embodiment of the present invention, the second driving mechanism 90 includes a second driving motor 901 and a second reducer 902 connected to the second driving motor 901, and the second grounding roller 70 is connected to an output shaft of the second reducer 902 through a belt.

The first grounding roller 30 is connected with the first driving motor 501 through the first speed reducer 502, and the first speed reducer 502 enables the first driving motor 501 to rotate at the same speed as the first grounding roller 30, i.e., to rotate at the same speed, so that the stability of the operation of the first grounding roller 30 is ensured.

The second grounding roller 70 is connected with the second driving motor 901 through the second speed reducer 902, and the second speed reducer 902 enables the second driving motor 901 to rotate at the same speed as the second grounding roller 70, i.e. rotate at the same speed, so that the stability of the operation of the second grounding roller 70 is ensured. Meanwhile, the first grounding roller 30 operates independently, so that the stability of the sorting process is ensured.

As shown in fig. 1, according to an embodiment of the present invention, the first collecting device 60 includes a first non-metallic material collecting hopper, a third roller disposed in the first non-metallic material collecting hopper, and a third driving mechanism connected to the third roller, wherein the third roller is provided with a first insulating brush, and the first insulating brush is in contact fit with the first grounding roller 30 and is used for scraping the material on the first grounding roller 30 into the first non-metallic material collecting hopper.

According to an embodiment of the present invention, the second collecting device 100 includes a second non-metallic material collecting hopper, a fourth roller disposed in the second non-metallic material collecting hopper, and a fourth driving mechanism connected to the fourth roller, wherein a second insulating brush is disposed on the fourth roller, and the second insulating brush is in contact fit with the second grounding roller 70 for scraping the material on the second grounding roller 70 into the second non-metallic material collecting hopper.

The first aggregate device 60 and the second aggregate device 100 are driven by independent driving devices, so that the separation processes in the first separation bin 1011 and the second separation bin 1021 can be carried out relatively independently, and the stability and the safety of the separation process are improved.

As shown in fig. 1, according to one embodiment of the present invention, a first blocking plate 1012 is disposed at the rear side of the first grounding roller 30, and the first blocking plate 1012 is rotatably connected to the first sorting bin 1011; the rear side of the second grounded roller 70 is provided with a second barrier plate 1023, and the second barrier plate 1023 is rotatably connected with the first sorting bin 1011.

The first barrier plate 1012 and the second barrier plate 1023 can be controlled to rotate by screws to adjust the installation angle and meet the requirements of different sorting occasions. If the installation horizontal angle is smaller, the amount of metal material particles entering the nonmetal aggregate bin can be reduced; when the installation horizontal angle is larger, the amount of metal material particles entering the nonmetal aggregate bin is increased.

As shown in fig. 1, according to an embodiment of the present invention, the frame 10 includes an upper frame 101 and a lower frame 102 connected to the upper frame 101, the upper frame 101 defining a first sorting bin 1011, and the lower frame 102 defining a second sorting bin 1021. Not only is the installation and the disassembly of the products convenient, but also the first sorting bin 1011 and the second sorting bin 1021 defined by the upper frame 101 and the lower frame 102 can independently perform the sorting operation.

According to one embodiment of the present invention, a metal material collecting hopper 1022 is disposed in the second sorting bin 1021, and the metal material collecting hopper 1022 is disposed below the second grounding roller 70. Wherein the metal material collecting hopper 1022 is used for collecting most of the metal materials falling from the second grounding roller 70.

As shown in fig. 1, according to an embodiment of the present invention, the electrostatic classifier 1 further includes: the air inlet pipe 110 is arranged on the first sorting bin 1011 and communicated with the first sorting bin 1011.

The air inlet pipe 110 communicated with the first sorting bin 1011 is arranged on the first sorting bin, the air inlet pipe 110 can be connected with a fan, and the effect of removing light impurities and dust is achieved by supplying air into the first sorting bin 1011 by means of wind power, so that the cleanliness of materials is improved.

The electrostatic separator provided by the invention adopts two separation processes, and the relative position of the charged output mechanism and the roller in the separation process can be adjusted, so that the electric field intensity of a charged field can be adjusted, and the separation efficiency and the separation effect can be effectively improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.