CN113680519A - Powder water separation device is retrieved to circuit board - Google Patents
Powder water separation device is retrieved to circuit board Download PDFInfo
- Publication number
- CN113680519A CN113680519A CN202111008857.4A CN202111008857A CN113680519A CN 113680519 A CN113680519 A CN 113680519A CN 202111008857 A CN202111008857 A CN 202111008857A CN 113680519 A CN113680519 A CN 113680519A
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- CN
- China
- Prior art keywords
- strip
- box
- powder
- collecting box
- flat plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/36—Devices therefor, other than using centrifugal force
-
- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
-
- 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
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
- B03B2011/006—Scraper dischargers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention relates to a water separation device for recovering powder from a circuit board, which effectively solves the problem that a mixed layer in the middle of water separation powder screening is not clearly separated; the technical scheme includes that the powder screening device comprises a box body, a collecting box is arranged in the box body and can move up and down, a plurality of first strip-shaped holes which move front and back are formed in the upper end face of the collecting box, a flat plate is arranged on the upper end face of the collecting box, a plurality of second strip-shaped holes are formed in the flat plate, the flat plate can move left and right, a strip-shaped plate is hinged to each of the left side wall and the right side wall of each second strip-shaped hole, the upper side of each strip-shaped plate extends out of an orifice, powder on the collecting box can be scraped into the collecting box through the strip-shaped holes when the flat plate moves left and right, a scraper blade which can move left and right is arranged at the top of the inner layer of the box body, when the collecting box is lifted upwards to a box opening, the scraper blade moves to scrape the powder on the top layer of the collecting box into a storing box, and mixed powder in the middle layer is left for next screening; the powder of the intermediate layer can be repeatedly and iteratively screened, and the purity of the powder is greatly improved.
Description
Technical Field
The invention relates to the field of circuit board recovery, in particular to a circuit board recovery powder water separation device.
Background
The waste circuit board recovery method comprises the steps of firstly removing electrical components, then crushing the circuit board into powder, then screening the powder into metal powder and resin powder, and screening the mixed powder by a plurality of methods, wherein one method is a water separation method, namely the mixed powder is poured into water, the metal powder is deposited on the bottom layer due to large specific gravity, and the resin powder is located on the upper layer due to small specific gravity, and then the mixed powder is collected; after the powder is layered and settled in water, pure powder can be obtained from the bottom layer and the top layer, but a mixed layer can be formed at the interface between the layers, and the powder in the mixed layer can not be completely separated, so that the purity of the separated powder can be influenced if the powder is directly collected.
Disclosure of Invention
The invention designs a water separation device for recovering powder from a circuit board, and aims to solve the problem that separation of a mixed layer in water separation powder screening is unclear.
The technical scheme includes that the device comprises a box body with an inner layer and an outer layer, a through hole is formed in the side wall of the inner layer of the box body, a collecting box is arranged in the inner layer of the box body and can move up and down, a plurality of first strip-shaped holes moving front and back are formed in the upper end face of the collecting box, the plurality of first strip-shaped holes are arranged side by side left and right, a flat plate is arranged on the upper end face of the collecting box, a plurality of second strip-shaped holes moving front and back are formed in the flat plate and can be arranged side by side left and right, the flat plate can move left and right, the second strip-shaped holes and the first strip-shaped holes are staggered when the device is in an initial position, the flat plate can move left and right, and the second strip-shaped holes can be communicated with the first strip-shaped holes when the flat plate moves left and right; the left side wall and the right side wall of the second strip-shaped hole are respectively hinged with a strip-shaped plate, the upper sides of the strip-shaped plates extend out of the orifice, the upper sides of the two strip-shaped plates are inclined towards the middle, and each strip-shaped plate can rotate towards the middle around the hinged position of the lower end of the strip-shaped plate; the bottom of the collecting box is provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are both provided with a switch valve; the top of the inner layer of the box body is provided with a scraper blade capable of moving left and right, the scraper blade is arranged along the front and back direction, the upper end of the right side wall of the inner layer of the box body is provided with a discharge hole, and when the collecting box is lifted upwards to the box opening, the scraper blade moves to scrape powder on the top layer of the collecting box into a storage box from the discharge hole.
The left side and the right side of the flat plate are respectively fixed with a horizontal push rod, the inner walls of the left side and the right side of the inner layer of the box body are respectively provided with a vertical groove, the groove bottom of the vertical groove is wavy, and the end parts of the push rods at the two sides of the flat plate respectively extend into the vertical groove to be contacted with the bottom of the vertical groove.
The left side wall and the right side wall of the second strip-shaped hole are respectively provided with a section strip-shaped groove, the lower side of the flat plate is hinged in the strip-shaped grooves, and the hinged position of the flat plate is provided with a torsion spring to keep the flat plate in an extending state.
The top of box is equipped with a take-up pulley, is equipped with the stay cord on the take-up pulley, and the stay cord lower extreme is fixed on the collecting box, is connected with the spring between the lower extreme of collecting box and the lower extreme of box.
The upper port department of box be equipped with two drive chain of controlling the trend, chain drive chain is side by side around, the scraper blade about the interval be equipped with a plurality ofly, the both ends of every scraper blade all are fixed on the drive chain of same end.
The inner bottom surface of the collecting box is an inclined plane with a higher end and a lower end, the water inlet pipe is positioned at the higher end, and the water outlet pipe is positioned at the lower end.
The upper end face of the collecting box is provided with a guide sleeve, and the push rod penetrates through the guide sleeve.
And a material receiving plate is arranged at the position of the discharge port.
According to the invention, the mixed powder remained in the previous round is subjected to the next round of sedimentation screening along with the newly added mixed powder, so that the powder in the middle layer is subjected to repeated iterative screening, and the purity of the screened powder is greatly improved.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a top view of the squeegee position.
Figure 3 is a front cross-sectional view of the invention with the collection bin at the bottom.
Fig. 4 is a front sectional view when the flat plate is moved leftward.
Fig. 5 is a front sectional view when the flat plate moves rightward.
Figure 6 is a front cross-sectional view of the invention with the collection bin at the top.
Fig. 7 is a top sectional view of the case.
Fig. 8 is an enlarged view of the position a in fig. 3.
Fig. 9 is an enlarged view of the position B in fig. 8.
Fig. 10 is an enlarged view of the position C in fig. 4.
Fig. 11 is an enlarged view of the position D in fig. 5.
Fig. 12 is an enlarged view of the position E in fig. 3.
Detailed Description
The following detailed description describes specific embodiments of the present invention.
The invention comprises a box body 1 with an inner layer and an outer layer, wherein a through hole 2 is formed in the side wall of the inner layer of the box body 1, a collecting box 3 is arranged in the inner layer of the box body 1, the collecting box 3 can move up and down, water in the box body 1 can circulate through the through hole 2 to keep the liquid level unchanged when the collecting box 3 moves up and down, a plurality of first strip-shaped holes 4 in the front and back directions are formed in the upper end surface of the collecting box 3, the plurality of first strip-shaped holes 4 are arranged side by side left and right, a flat plate 5 is arranged on the upper end surface of the collecting box 3, a plurality of second strip-shaped holes 6 in the front and back directions are formed in the flat plate 5, the plurality of second strip-shaped holes 6 are arranged side by side left and right, the flat plate 5 can move left and right, the second strip-shaped holes 6 are staggered with the first strip-shaped holes 4 when the flat plate 5 moves left and right, and the second strip-shaped holes 6 are communicated with the first strip-shaped holes 4 when the flat plate 5 moves left; the left side wall and the right side wall of the second strip-shaped hole 6 are respectively hinged with a strip-shaped plate 7, the upper sides of the strip-shaped plates 7 extend out of the hole opening, the upper sides of the two strip-shaped plates 7 are inclined towards the middle, and each strip-shaped plate 7 can rotate towards the middle around the hinged position of the lower end of the strip-shaped plate; when the flat plate 5 moves rightwards, the flat plate 5 on the right side can be pressed into the second strip-shaped hole 6 by the resistance of the powder, the strip-shaped plate 7 on the left side keeps in a stretching state, the powder on the collecting box 3 is scraped into the second strip-shaped hole 6 and then enters the collecting box 3 through the first strip-shaped hole 4, similarly, when the flat plate 5 moves leftwards, the flat plate 5 on the left side can be pressed into the second strip-shaped hole 6 by the resistance of the powder, the strip-shaped plate 7 on the right side keeps in a stretching state to scrape the powder, and therefore the powder on the collecting box 3 is always scraped when the flat plate 5 moves leftwards and rightwards; the bottom of the collecting box 3 is provided with a water inlet pipe 8 and a water outlet pipe 9, the water inlet pipe 8 and the water outlet pipe 9 are both provided with a switch valve 10, water is injected into the collecting box 3 from the water inlet pipe 8, and powder in the collecting box 3 can be discharged from the water outlet pipe 9 along with water flow; the scraper blade 11 that can remove about is equipped with in 1 inlayer of box top mouth department, and the scraper blade 11 moves towards the setting around following, and open the upper end of the inlayer right side wall of box 1 has discharge gate 12, and when collecting box 3 promoted the case mouth upwards, scraper blade 11 moved and scrapes the powder on the top layer of collecting box 3 in a storage box from discharge gate 12.
The left side and the right side of the flat plate 5 are respectively fixed with a horizontal push rod 13, the inner walls of the left side and the right side of the inner layer of the box body 1 are respectively provided with a vertical groove 14, the bottom of each vertical groove 14 is wavy, the end parts of the push rods 13 at the two sides of the flat plate 5 respectively extend into the vertical grooves 14 to be contacted with the bottoms of the vertical grooves 14, and in the process that the collecting box 3 moves up and down, the push rods 13 at the two sides move along the vertical grooves 14, so that the flat plate 5 is pushed to move left and right.
The lateral wall about second bar hole 6 on respectively open and to have a bar groove 15, dull and stereotyped 5 downside articulates in bar groove 15, and dull and stereotyped 5 articulated department is equipped with the torsional spring and makes dull and stereotyped 5 keep the state of stretching out, dull and stereotyped 5 is when the state of stretching out, dull and stereotyped 5 upper surface and the contact of the last lateral wall in bar groove 15 to make dull and stereotyped 5 can only unidirectional rotation downwards.
The top of the box body 1 is provided with a winding wheel 16, the winding wheel 16 is provided with a pull rope 17, the lower end of the pull rope 17 is fixed on the collecting box 3, the winding wheel 16 is driven by a motor, the winding wheel 16 rotates the winding pull rope 17 in the forward direction to lift the collecting box 3 upwards, a spring 18 is connected between the lower end of the collecting box 3 and the lower end of the box body 1, and when the winding wheel 16 rotates in the reverse direction to pay off, the spring 18 pulls the box body 1 to move downwards.
The upper port department of box 1 be equipped with two drive chain 19 of controlling the trend, chain drive chain 19 is side by side from front to back, scraper blade 11 about the interval be equipped with a plurality ofly, the both ends of every scraper blade 11 are all fixed on drive chain 19 with the end, drive chain 19 drives scraper blade 11 and removes.
The inner bottom surface of the collecting box 3 is an inclined plane with a higher end and a lower end, the water inlet pipe 8 is positioned at the higher end, and the water outlet pipe 9 is positioned at the lower end, so that materials can be conveniently discharged from the water outlet pipe 9.
The upper end surface of the collecting box 3 is provided with a guide sleeve 20, and the push rod 13 penetrates through the guide sleeve 20.
The discharge port 12 is provided with a material receiving plate 21, and the scraper 11 scrapes the powder onto the material receiving plate 21 for subsequent collection.
The working process of the invention is as follows:
water is filled in the box body 1, the collecting box 3 is positioned at the lower end of the box body 1, the mixed powder obtained by crushing the circuit board is poured into the inner layer of the box body 1 from the upper port of the box body 1, and in the process of sedimentation of the mixed powder in water, the metal powder with larger specific gravity settles faster, and the resin powder with smaller specific gravity settles slower, so that the mixed powder can settle on the collecting box 3 in a layering manner, the heavier metal powder layer 22 positioned at the bottom layer, the lighter resin powder layer 23 positioned at the top layer, and the mixed powder layer 24 which is mixed in the middle and has a certain thickness and unclear boundaries.
After the feeding sedimentation is finished, a winding rope 17 is wound by forward rotation of a winding wheel 16 driven by a motor, the collecting box 3 is pulled by the rope 17 to slowly move upwards, the collecting box 3 moves upwards, and meanwhile, under the action of the wavy groove bottoms of the vertical grooves 14 on the two sides, the push rod 13 pushes the flat plate 5 to reciprocate left and right, when the flat plate 5 moves, the strip-shaped plates 7 in the second strip-shaped holes 6 scrape bottom powder on the flat plate 5 into the second strip-shaped holes 6, and then the bottom powder falls into the collecting box 3 through the first strip-shaped holes 4; the time of the flat plate 5 moving left and right can be controlled by setting the length of the wavy groove bottom of the vertical groove 14, so that the thickness of the bottom layer powder scraped is controlled.
After the collecting box 3 is lifted to the top, the scraper 11 moves to scrape the top resin powder on the collecting box 3 to the right onto the material receiving plate 21, and a collecting device is arranged below the material receiving plate 21 to receive the resin powder; so far, only the mixed layer powder with unclear separation in the middle is left on the collection box 3, then the winding wheel rotates reversely and pays off rapidly, under the action of the tensile force of the spring 18, the collection box 3 moves downwards rapidly to the bottom, when the collection box 3 starts to move downwards, new mixed powder is thrown into the box 1, the mixed powder of the last wheel left on the collection box 3 and the new mixed powder thrown into the box simultaneously settle and stratify in water, after the settlement is completed, the collection box 3 is lifted up again to collect the bottom layer powder and the top layer powder, the middle layer powder is left, and the process is circulated.
When the powder in the collecting box 3 is full, the switch valves 10 on the water inlet pipe 8 and the water outlet pipe 9 are opened, water is injected into the collecting box 3 from the water inlet pipe 8, water is discharged outwards from the water outlet pipe 9, and the powder in the collecting box 3 is discharged along with water flow.
After each sedimentation, the bottom layer pure powder is collected through the strip-shaped holes in the collection box 3 and the strip-shaped plate 5 and the strip-shaped plate 7, the top layer pure powder is collected through the scraper 11, the mixed powder with the unclear separation of the middle layer is left, the left mixed powder in the previous round is subjected to the next round of sedimentation and screening along with the newly added mixed powder through the up-and-down movement of the collection box 3, the circulation is performed, the middle layer powder is repeatedly and iteratively screened, and the purity of the screened powder is greatly improved; moreover, the invention can realize continuous automatic screening and collecting operation by matching with the blanking mechanism.
Claims (8)
1. The utility model provides a powder wet separation device is retrieved to circuit board, which is characterized in that, including two-layer box (1) inside and outside, it has through-hole (2) to open on the box (1) inlayer lateral wall, a collecting box (3) is equipped with in the inlayer of box (1), collecting box (3) can reciprocate, it has a plurality of first bar holes (4) that move towards from beginning to end to open on the up end of collecting box (3), a plurality of first bar holes (4) are arranged side by side about, be equipped with a flat board (5) on the up end of collecting box (3), it has a plurality of second bar holes (6) that move towards from beginning to end to open on flat board (5), a plurality of second bar holes (6) are arranged side by side about, flat board (5) can move from side to side, when initial position, the second strip-shaped hole (6) is staggered with the first strip-shaped hole (4), the flat plate (5) can move left and right, and the second strip-shaped hole (6) is communicated with the first strip-shaped hole (4) in the process that the flat plate (5) moves left and right; the left side wall and the right side wall of the second strip-shaped hole (6) are respectively hinged with a strip-shaped plate (7), the upper sides of the strip-shaped plates (7) extend out of the orifice, the upper sides of the two strip-shaped plates (7) are inclined towards the middle, and each strip-shaped plate (7) can rotate towards the middle around the hinged position of the lower end of the strip-shaped plate; a water inlet pipe (8) and a water outlet pipe (9) are arranged at the bottom of the collecting box (3), and switch valves (10) are arranged on the water inlet pipe (8) and the water outlet pipe (9); the inner layer top opening of the box body (1) is provided with a scraper (11) capable of moving left and right, the scraper (11) is arranged along the front and back direction, the upper end of the inner layer right side wall of the box body (1) is provided with a discharge hole (12), and when the collection box (3) is lifted upwards to the box opening, the scraper (11) moves to scrape powder on the top layer of the collection box (3) into a storage box from the discharge hole (12).
2. The circuit board powder recovery water separation device according to claim 1, wherein a horizontal push rod (13) is fixed on each of the left side and the right side of the flat plate (5), a vertical groove (14) is formed in each of the left side and the right side of the inner layer of the box body (1), the groove bottom of the vertical groove (14) is wavy, and the end portions of the push rods (13) on the two sides of the flat plate (5) respectively extend into the vertical grooves (14) to be in contact with the bottom of the vertical groove (14).
3. The circuit board recycling powder wet separation device according to claim 1, wherein a strip groove (15) is formed on each of the left and right side walls of the second strip hole (6), the lower side of the flat plate (5) is hinged in the strip groove (15), and a torsion spring is installed at the hinged position of the flat plate (5) to keep the flat plate (5) in an extended state.
4. The circuit board recycling powder water separation device of claim 1, wherein a winding wheel (16) is arranged on the top of the box body (1), a pulling rope (17) is arranged on the winding wheel (16), the lower end of the pulling rope (17) is fixed on the collecting box (3), and a spring (18) is connected between the lower end of the collecting box (3) and the lower end of the box body (1).
5. The circuit board recycling powder water separation device according to claim 1, wherein two transmission chains (19) running from left to right are arranged at the upper port of the box body (1), the chain transmission chains (19) are arranged in parallel front and back, a plurality of scraping plates (11) are arranged from left to right at intervals, and two ends of each scraping plate (11) are fixed on the transmission chains (19) at the same end.
6. The circuit board recycling powder water separation device according to claim 1, wherein the inner bottom surface of the collection box (3) is an inclined surface with a higher end and a lower end, the water inlet pipe (8) is located at the higher end, and the water outlet pipe (9) is located at the lower end.
7. The circuit board recycling powder water separation device according to claim 1, wherein a guide sleeve (20) is arranged on the upper end surface of the collection box (3), and the push rod (13) penetrates through the guide sleeve (20).
8. The circuit board recycling powder water separation device according to claim 1, wherein a material receiving plate (21) is disposed at the discharge port (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008857.4A CN113680519A (en) | 2021-08-31 | 2021-08-31 | Powder water separation device is retrieved to circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111008857.4A CN113680519A (en) | 2021-08-31 | 2021-08-31 | Powder water separation device is retrieved to circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113680519A true CN113680519A (en) | 2021-11-23 |
Family
ID=78584129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111008857.4A Withdrawn CN113680519A (en) | 2021-08-31 | 2021-08-31 | Powder water separation device is retrieved to circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113680519A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000778A (en) * | 2023-03-23 | 2023-04-25 | 蓬莱京鲁渔业有限公司 | Steel rust cleaning device |
-
2021
- 2021-08-31 CN CN202111008857.4A patent/CN113680519A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000778A (en) * | 2023-03-23 | 2023-04-25 | 蓬莱京鲁渔业有限公司 | Steel rust cleaning device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211123 |