CN115318803A - Circuit board is retrieved and is used broken separator - Google Patents
Circuit board is retrieved and is used broken separator Download PDFInfo
- Publication number
- CN115318803A CN115318803A CN202211057089.6A CN202211057089A CN115318803A CN 115318803 A CN115318803 A CN 115318803A CN 202211057089 A CN202211057089 A CN 202211057089A CN 115318803 A CN115318803 A CN 115318803A
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- roller set
- electrostatic
- electrostatic roller
- cavity
- crushing
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Links
- 238000000926 separation method Methods 0.000 claims abstract description 71
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000000696 magnetic material Substances 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 230000003068 static effect Effects 0.000 claims description 15
- 238000007885 magnetic separation Methods 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000002994 raw material Substances 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- -1 and in addition Chemical compound 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C7/00—Separating solids from solids by electrostatic effect
- B03C7/02—Separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/15—Electronic waste
- B09B2101/17—Printed circuit boards [PCB]
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Crushing And Grinding (AREA)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a crushing and separating device for circuit board recovery, which comprises a bearing frame, wherein the bearing frame is a Z-shaped conveyor belt, a feeding hole at the lower end of a Z-shaped structure of the bearing frame is connected with a primary separating cavity, a magnetic separating matrix is arranged in the primary separating cavity, and the magnetic separating matrix is used for removing magnetic materials after circuit boards are crushed; the invention relates to a circuit board crushing device, which is characterized in that a feed opening at the upper end of a Z-shaped structure of a bearing frame is connected with a secondary separation cavity, a separation roller unit is arranged in the secondary separation cavity, and the separation roller unit is used for separating resin powder and non-magnetic metal powder in a mixture.
Description
Technical Field
The invention relates to the technical field of circuit board crushing and separating, in particular to a crushing and separating device for circuit board recycling.
Background
At present, the elimination speed of waste electronics and electric appliances is very high, and the metal extraction by utilizing the waste electronics and the circuit board has wide utilization space. The grade of metals in various waste circuit boards is far higher than that of metals in common minerals, the content of some metals is up to 40%, and the extraction of metals such as copper and the like after the waste circuit boards are crushed becomes the mainstream. The most extracted metals of the waste circuit board are copper, and in addition, gold, aluminum, nickel, lead, silicon metal and the like are also available. According to statistics, 0.9 kg of gold, 29.6 kg of tin, 128.7 kg of copper, 270 kg of plastic and a small amount of noble metals such as palladium, platinum and the like can be separated and refined from 1 ton of waste circuit boards.
According to patent application number 202122174279.3 discloses a breaker is used in waste circuit board recovery, has the base, and the base is equipped with the motor, and broken subassembly is connected in motor drive, and broken subassembly has box and feed inlet, and the box rotates and is connected with the rotation axis, and the rotation axis is connected with first broken blade, the broken blade of second, the broken blade of third, and the inner wall of box still is equipped with first fixed blade, the fixed blade of second and deflector. The utility model discloses be equipped with interval setting and the first broken blade of blade size not of uniform size, the broken blade of second, the broken blade of third, can cut into relatively great piece with abandonment circuit board, convenient subsequent separation is retrieved. The lower inner wall of box is in the second crushing blade with it has the deflector to correspond between the third crushing blade, can arrange the below of box in with the abandonment circuit board passively until the cutting, the aforesaid has realized the multistage breakage to the circuit board, but does not realize separating each composition in the circuit board after the breakage, the follow-up processing of broken back raw materials of being not convenient for has great limitation.
Disclosure of Invention
The invention aims to provide a crushing and separating device for circuit board recovery, which realizes multi-stage crushing of a circuit board by arranging a crushing unit, and separates magnetic materials (mainly iron), non-magnetic metal materials and resin powder from crushed circuit board raw materials by arranging two-stage separation cavities, thereby realizing effective separation of the crushed circuit board raw materials and having strong practicability.
The purpose of the invention can be realized by the following technical scheme:
the crushing and separating device for circuit board recovery comprises a bearing frame, wherein the bearing frame is a Z-shaped conveyor belt, a feeding hole at the lower end of a Z-shaped structure of the bearing frame is connected with a primary separating cavity, a magnetic separating matrix is arranged in the primary separating cavity, and the magnetic material after the circuit board is crushed is removed through the magnetic separating matrix;
and a feed opening at the upper end of the Z-shaped structure of the bearing frame is connected with a secondary separation cavity, a separation roller unit is arranged in the secondary separation cavity, and the separation of resin powder and non-magnetic metal powder in the mixture is realized through the separation roller unit.
As a further scheme of the invention: the magnetic separation matrix comprises a plurality of groups of electromagnet groups, each group of electromagnet group comprises a plurality of electromagnets, and the electromagnets on the adjacent electromagnet groups along the vertical direction are staggered mutually.
As a further scheme of the invention: the primary separating cavity is of a rectangular cavity structure, and two ends of each electromagnet are arranged on the front side and the rear side inside the primary separating cavity.
As a further scheme of the invention: the separation roller unit comprises a first electrostatic roller set, a second electrostatic roller set and a third electrostatic roller set;
each set of electrostatic roller sets comprises two electrostatic rollers with the same size.
As a further scheme of the invention: the sizes of the static rollers in the first static roller set, the second static roller set and the third static roller set are reduced in sequence, and the first static roller set, the second static roller set and the third static roller set are arranged in a stacked mode in the vertical direction.
As a further scheme of the invention: and the distance between two electrostatic rollers in the first electrostatic roller set, the second electrostatic roller set and the third electrostatic roller set is also reduced in sequence along the vertical direction.
As a further scheme of the invention: and guide plates are obliquely arranged on two sides of the first electrostatic roller set, the second electrostatic roller set and the third electrostatic roller set, one end of each guide plate is abutted against the electrostatic roller, and the other end of each guide plate penetrates through the side surface of the second-stage separation cavity and extends to the outside.
As a further scheme of the invention: the outside of second grade separation chamber both sides all is provided with the outer water conservancy diversion passageway that is used for the resin powder, and the guide plate is located the outside one end of second grade separation chamber and extends to inside the outer water conservancy diversion passageway.
As a further scheme of the invention: the electrostatic rollers on the same sides of the first electrostatic roller set, the second electrostatic roller set and the third electrostatic roller set are connected with one another through belts, and the electrostatic rollers on the right sides of the first electrostatic roller set, the second electrostatic roller set and the third electrostatic roller set rotate clockwise;
and the electrostatic rollers on the left sides of the first electrostatic roller group, the second electrostatic roller group and the third electrostatic roller group rotate anticlockwise.
As a further scheme of the invention: and flow limiting plates are arranged between the first electrostatic roller set and the second electrostatic roller set and between the second electrostatic roller set and the third electrostatic roller set.
The invention has the beneficial effects that:
(1) According to the invention, the magnetic separation matrix is arranged in the primary separation cavity, and the collection of the magnetic materials (mainly iron) in the crushed materials is realized through the electromagnetic rollers which are staggered in the magnetic separation matrix, so that the magnetic separation matrix is simple and easy to implement, and the adsorbed magnetic materials can be removed by powering off, so that the recovery of the magnetic materials is convenient;
(2) According to the invention, the separation roller unit is arranged in the secondary separation cavity, the electrostatic adsorption of the resin powder in the mixture is realized through the plurality of electrostatic rollers in the separation roller unit, and the resin powder is removed through the secondary separation cavity by scraping the electrostatic rollers through the guide plates, so that the separation of the resin powder and the non-magnetic metal powder is completed, and the practicability is high.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a front view of the present invention;
FIG. 2 is a schematic view of the structure of the separator roller unit of the present invention;
FIG. 3 is a schematic diagram of the construction of the abrasive roll stack of the present invention;
fig. 4 is a schematic view of the structure of the separation roller group of the present invention.
In the figure:
1. a receiving frame;
2. a primary crushing cavity; 201. a first crushing roller; 202. a second crushing roller; 203. a first gear; 204. a second gear;
3. a secondary grinding chamber; 301. grinding a first roller; 302. grinding a second roller; 303. an I-shaped slider; 304. adjusting a rod;
4. a primary separation chamber; 401. electromagnet
5. A secondary separation chamber; 501. a separation roller unit; 5011. a first electrostatic roller set; 5012. a second electrostatic roller set; 5013. a third electrostatic roller set; 5014. a belt; 502. a baffle; 503. a restrictor plate; 504. an outer flow guide channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1-4, the crushing and separating device for circuit board recycling of the present invention includes a receiving frame 1, wherein the receiving frame 1 plays a role of receiving and feeding materials during the circuit board separating and crushing process;
the receiving frame 1 is of a Z-shaped structure, particularly is a Z-shaped conveyor belt, a feeding hole at the lower end of the Z-shaped structure of the receiving frame 1 is connected with a primary separation cavity 4, and a feeding hole of the primary separation cavity 4 is connected with a crusher set for crushing a circuit board; a discharge port of the primary separation cavity 4 is over against a feeding port of the bearing frame 1, and separation of magnetic materials (mainly iron) after the circuit board is crushed is realized through the primary separation cavity 4;
a feed opening at the upper end of the Z-shaped structure of the bearing frame 1 is connected with a secondary separation cavity 4, a feed opening of the secondary separation cavity 4 is connected with a feed opening of the bearing frame 1, and the separation of resin powder and non-magnetic metal materials after the circuit board is crushed is realized through the secondary separation cavity 4.
Specifically, the crusher set comprises a primary crushing cavity 2 and a secondary grinding cavity 3, wherein the primary crushing cavity 2 is arranged above the secondary grinding cavity 3 and is communicated with the secondary grinding cavity 3;
a crushing roller set is arranged in the primary crushing cavity 2 and comprises a first crushing roller 201 and a second crushing roller 202, the first crushing roller 201 and the second crushing roller 202 are arranged side by side, and teeth of the first crushing roller 201 are meshed with teeth of the second crushing roller 202;
a grinding roller group is arranged in the secondary grinding cavity 3 and comprises a first grinding roller 301 and a second grinding roller 302, the first grinding roller 301 is fixedly arranged in the secondary grinding cavity 3, the second grinding roller 302 is arranged in the secondary grinding cavity 3 in a sliding manner, and the grinding precision of the secondary grinding cavity 3 is adjusted by adjusting the position of the second grinding roller 302 in the secondary grinding cavity 3;
rectangular notches are formed in the front side surface and the rear side surface inside the secondary grinding cavity 3, I-shaped sliding blocks 303 are connected to the rectangular notches on the two sides in a sliding mode, the two ends of a second grinding roller 302 are arranged on the I-shaped sliding blocks 303 on the two sides, an adjusting rod 304 is arranged on the side surface of the secondary grinding cavity 3 in a threaded connection mode, the I-shaped sliding blocks 303 are pushed in the rectangular notches by rotating the adjusting rod 304, and therefore the position of the second grinding roller 302 on the secondary grinding cavity 3 is moved;
preferably, the crushing roller group of the primary crushing cavity 2 and the grinding roller group of the secondary grinding cavity 2 both use a motor as a driving mechanism;
when the grinding device is used, a circuit board to be crushed is guided into the primary crushing cavity 2, the motor drives the crushing roller group in the primary crushing cavity 2 to enable the first crushing roller 201 and the second crushing roller 202 to be meshed to crush the circuit board, the crushed raw material is guided into the secondary grinding cavity 3, the motor drives the grinding roller group to grind the crushed raw material through the first grinding roller 301 and the second grinding roller 302, and secondary refining is carried out to obtain a ground mixture;
wherein, in the process of grinding the second-stage grinding cavity 3, the grinding precision is adjusted by adjusting the position of the second grinding roller 302.
The primary separation cavity 4 is of a rectangular cavity structure, and a plurality of electromagnets 401 are arranged inside the primary separation cavity 4;
specifically, the electromagnets 401 are in a rod-shaped structure, two ends of each electromagnet 401 are arranged on the front side surface and the rear side surface inside the primary separation chamber 4, a plurality of electromagnets 401 form an electromagnet group along the horizontal direction, and the electromagnets 401 on adjacent electromagnet groups along the vertical direction are staggered with each other;
when the magnetic separation device is used, ground mixture enters the primary separation cavity 4, and magnetic materials (mainly iron) in the mixture are adsorbed by the aid of a magnetic separation matrix formed by a plurality of groups of electromagnets and by means of energization of electromagnets 401 in the magnetic separation matrix.
And guiding the mixture processed by the primary separation cavity 4 into a Z-shaped conveyor belt, and guiding the material into a secondary separation cavity 5 through the Z-shaped conveyor belt.
The secondary separation cavity 5 is of a cuboid cavity structure, a separation roller unit 501 is arranged inside the secondary separation cavity 5, and electrostatic separation of resin powder in the mixture is realized through the separation roller unit 501;
specifically, the separation roller unit 501 includes a first electrostatic roller set 5011, a second electrostatic roller set 5012, and a third electrostatic roller set 5013; each group of electrostatic roller sets comprises two electrostatic rollers with the same size, wherein the sizes of the electrostatic rollers in the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013 are sequentially reduced;
meanwhile, the distance between two electrostatic rollers in the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013 is also reduced in sequence;
guide plates 502 are obliquely arranged on two sides of the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013, one end of each guide plate 502 abuts against the electrostatic roller, the other end of each guide plate 502 penetrates through the side face of the second-stage separation cavity 5 and extends to the outside, outer guide channels 504 for resin powder are arranged on the outside of two sides of the second-stage separation cavity 5, and one end, located outside the second-stage separation cavity 5, of each guide plate 502 extends to the inside of each outer guide channel 504;
the electrostatic rollers on the same sides of the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013 are connected with one another through a belt 5014, and the electrostatic rollers on the right sides of the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013 are driven by a motor to rotate clockwise;
the static rollers on the left sides of the first static roller set 5011, the second static roller set 5012 and the third static roller set 5013 are driven to rotate anticlockwise by another motor;
preferably, flow restricting plates 503 are arranged between the first electrostatic roller set 5011 and the second electrostatic roller set 5012 and between the second electrostatic roller set 5012 and the third electrostatic roller set 5013, and the mixture always moves downwards along the separation roller units 501 in the secondary separation cavity 5 through the flow restricting plates 503;
further, two flow restricting plates 503 are also arranged between the bottom surface in the secondary separation cavity 5 and the first electrostatic roller set 5011, and the two flow restricting plates 503 are of a V-shaped mechanism;
when the device is used, a mixed material treated by the primary separation cavity 4 enters the secondary separation cavity 5, the motor drives the two electrostatic rollers in the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013 to rotate reversely, so that the electrostatic rollers in the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013 perform electrostatic adsorption on resin powder in the mixed material, and the resin powder adsorbed by the electrostatic rollers is scraped and guided into the outer guide channel 504 through the guide plate 502 in each rotation process of the electrostatic rollers, so that the separation of the resin powder from the non-magnetic metal powder in the mixed material is realized, and the non-magnetic metal powder is discharged through a discharge port at the bottom of the secondary separation cavity 5.
The working principle of the invention is as follows: leading a circuit board to be crushed into a primary crushing cavity 2, driving a crushing roller group in the primary crushing cavity 2 through a motor, enabling a first crushing roller 201 to be meshed with a second crushing roller 202 to crush the circuit board, leading the crushed raw material into a secondary grinding cavity 3, driving a grinding roller group through the motor, grinding the crushed raw material through a first grinding roller 301 and a second grinding roller 302, and carrying out secondary refining to obtain a ground mixture;
the ground mixture enters a primary separation cavity 4, and magnetic materials (mainly iron) in the mixture are adsorbed by electrifying electromagnets 401 in a magnetic separation matrix through the magnetic separation matrix consisting of a plurality of groups of electromagnets;
the mixture processed by the primary separation cavity 4 enters a secondary separation cavity 5, the motor drives two electrostatic rollers in the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013 to reversely rotate, so that the electrostatic rollers in the first electrostatic roller set 5011, the second electrostatic roller set 5012 and the third electrostatic roller set 5013 carry out electrostatic adsorption on resin powder in the mixture, and the resin powder adsorbed by the electrostatic rollers is scraped and guided into the outer guide channel 504 through the guide plate 502 in each rotation process of the electrostatic rollers, so that the separation of the resin powder and non-magnetic metal powder in the mixture is realized;
after the resin powder is separated from the non-magnetic metal powder, the electromagnet 401 in the primary separation cavity 4 is powered off, so that the adsorbed magnetic material enters the secondary separation cavity 5 through the Z-shaped conveyor belt and is led out, and the collection of the magnetic material is realized.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The crushing and separating device for circuit board recovery comprises a bearing frame (1), wherein the bearing frame (1) is a Z-shaped conveyor belt, and is characterized in that a feeding port at the lower end of a Z-shaped structure of the bearing frame (1) is connected with a primary separating cavity (4), a magnetic separating matrix is arranged in the primary separating cavity (4), and the magnetic separating matrix is used for removing magnetic materials after crushing a circuit board;
the bearing frame is characterized in that a feed opening at the upper end of the Z-shaped structure of the bearing frame (1) is connected with a second-stage separation cavity (5), a separation roller unit (501) is arranged in the second-stage separation cavity (5), and the separation of resin powder and non-magnetic metal powder in the mixture is realized through the separation roller unit (501).
2. The breaking and separating device for circuit board recovery according to claim 1, wherein the magnetic separation matrix comprises a plurality of electromagnet groups, each electromagnet group comprises a plurality of electromagnets (401), and the electromagnets (401) on adjacent electromagnet groups are vertically displaced from each other.
3. The crushing and separating device for recycling the circuit boards according to claim 2, wherein the primary separating cavity (4) is of a rectangular cavity structure, and both ends of each electromagnet (401) are arranged on the front side and the rear side inside the primary separating cavity (4).
4. The breaking and separating device for recovering circuit boards according to claim 1, wherein the separating roller unit (501) comprises a first electrostatic roller set (5011), a second electrostatic roller set (5012) and a third electrostatic roller set (5013);
each set of electrostatic rollers comprises two electrostatic rollers of the same size.
5. The circuit board recycling breaking and separating device according to claim 4, wherein the sizes of the electrostatic rollers in the first electrostatic roller set (5011), the second electrostatic roller set (5012) and the third electrostatic roller set (5013) are reduced in sequence, and the first electrostatic roller set (5011), the second electrostatic roller set (5012) and the third electrostatic roller set (5013) are arranged in a vertically overlapped mode.
6. The breaking and separating device for recovering the circuit board as claimed in claim 5, wherein the distance between two electrostatic rollers in the first electrostatic roller set (5011), the second electrostatic roller set (5012) and the third electrostatic roller set (5013) is also decreased in the vertical direction.
7. The crushing and separating device for recycling the circuit boards as claimed in claim 4, wherein the baffles (502) are obliquely arranged on two sides of the first electrostatic roller set (5011), the second electrostatic roller set (5012) and the third electrostatic roller set (5013), one end of each baffle (502) abuts against the electrostatic roller, and the other end of each baffle (502) penetrates through the side face of the secondary separation cavity (5) and extends to the outside.
8. The crushing and separating device for recycling circuit boards according to claim 7, wherein outer flow guide channels (504) for resin powder are arranged outside both sides of the secondary separation cavity (5), and one end of the flow guide plate (502) located outside the secondary separation cavity (5) extends into the outer flow guide channels (504).
9. The crushing and separating device for recycling the circuit boards as claimed in claim 4, wherein the electrostatic rollers on the same side of the first electrostatic roller set (5011), the second electrostatic roller set (5012) and the third electrostatic roller set (5013) are connected with each other through a belt (5014), and the electrostatic rollers on the right side of the first electrostatic roller set (5011), the second electrostatic roller set (5012) and the third electrostatic roller set (5013) rotate clockwise;
the left static rollers of the first static roller set (5011), the second static roller set (5012) and the third static roller set (5013) rotate anticlockwise.
10. The crushing and separating device for recycling the circuit boards as claimed in claim 4, wherein a flow limiting plate (503) is arranged between the first electrostatic roller set (5011) and the second electrostatic roller set (5012) and between the second electrostatic roller set (5012) and the third electrostatic roller set (5013).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211057089.6A CN115318803B (en) | 2022-08-31 | 2022-08-31 | Broken separator is used in circuit board recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211057089.6A CN115318803B (en) | 2022-08-31 | 2022-08-31 | Broken separator is used in circuit board recovery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115318803A true CN115318803A (en) | 2022-11-11 |
| CN115318803B CN115318803B (en) | 2024-04-23 |
Family
ID=83927631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211057089.6A Active CN115318803B (en) | 2022-08-31 | 2022-08-31 | Broken separator is used in circuit board recovery |
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| CN209735768U (en) * | 2019-03-11 | 2019-12-06 | 福建志坤能源科技开发有限公司 | Recycling system of waste circuit board |
| CN212370807U (en) * | 2020-07-22 | 2021-01-19 | 清远市东江环保技术有限公司 | Abandonment electronic product recovery unit |
| CN216965769U (en) * | 2022-04-08 | 2022-07-15 | 安徽金祥子环保科技有限公司 | Broken recovery plant is disassembled to circuit board |
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| WO2000045994A1 (en) * | 1999-02-01 | 2000-08-10 | Bridgestone Corporation | Grinding beads and beads production method and device therefor |
| JP2001046914A (en) * | 1999-08-10 | 2001-02-20 | Aktsionernoe Obshestvo Mekhanobr Tekhnik | Electrostatic separation system |
| CN201500589U (en) * | 2009-09-07 | 2010-06-09 | 仁新设备制造（四川）有限公司 | Cross type three-roller electrostatic separator |
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| CN216965769U (en) * | 2022-04-08 | 2022-07-15 | 安徽金祥子环保科技有限公司 | Broken recovery plant is disassembled to circuit board |
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| CN115318803B (en) | 2024-04-23 |
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