CN220432564U - Recycling treatment device for PCB (printed circuit board) waste etching liquid - Google Patents

Recycling treatment device for PCB (printed circuit board) waste etching liquid Download PDF

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Publication number
CN220432564U
CN220432564U CN202322016713.4U CN202322016713U CN220432564U CN 220432564 U CN220432564 U CN 220432564U CN 202322016713 U CN202322016713 U CN 202322016713U CN 220432564 U CN220432564 U CN 220432564U
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CN
China
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tank
side wall
flocculation
recycling device
pcb
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CN202322016713.4U
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Chinese (zh)
Inventor
施国栋
姚列
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Shiyuan Electronics Yangzhou Co ltd
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Shiyuan Electronics Yangzhou Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The utility model provides a PCB circuit board etching waste liquid's resourceful treatment device, includes the setting tank and congeals the flocculation case, setting tank lower part inboard is equipped with the baffle, passes on the baffle and installs and be equipped with a plurality of funnel of group, is connected between setting tank right side wall upper portion and the flocculation case upper side wall and is equipped with feeding mechanism, the spacing installation of flocculation case lower side sideslip is equipped with the filter vat of slope, and the flocculation case lower side wall passes to be connected and is equipped with drain pipe two, is equipped with control valve two on the drain pipe two, setting tank right side wall lower part just is located the filter vat below and is equipped with the water catch bowl. Compared with the prior art, the utility model has the advantages that: the CuS sediment can be dropped to the bottom of the sedimentation tank through a plurality of groups of funnels on the partition board arranged at the bottom of the sedimentation tank, and the funnels are used for preventing liquid on the upper side of the partition board from being discharged to cause the CuS sediment to be swayed, so that the sedimentation effect is affected; the filter tank is arranged at the lower side of the flocculation tank, and the Lin Xu liquid is conveyed to the filter tank for filtration through a plurality of groups of drain pipes II, so that the filter tank can be cleaned during filtration.

Description

Recycling treatment device for PCB (printed circuit board) waste etching liquid
Technical Field
The utility model relates to the technical field of PCB (printed circuit board) production, in particular to a recycling treatment device for PCB etching waste liquid.
Background
In recent years, with the rapid development of the electronic industry, the demand for Printed Circuit Boards (PCBs) has greatly increased, and the production of PCB circuit boards has become a major basic industry of the electronic industry. The world is the second major country of printed circuit board industry, and the industrial water consumption for producing PCB circuit boards is the first major country of the world. And the yield of the PCB increases at a speed of 20% each year, so that the water consumption is large, and the environment is easy to be polluted. Therefore, the comprehensive treatment of the production waste liquid of the PCB is developed, and the waste is changed into valuable, so that the method is a practical technology for achieving both economic benefit and social benefit.
After the copper-clad plate is subjected to film pasting, exposure, development, film removal and pattern tin alloy electroplating, most copper foil is removed by etching liquid in a corrosion way, so that a printed circuit is formed. The etching waste liquid contains a large amount of copper, cl-, NH3 and the like. The current treatment methods for etching waste liquid include chemical precipitation, solvent extraction, electrolysis and the like.
Adding Na2S into the etching waste liquid by a chemical precipitation method to obtain CuS precipitate, and then adding a flocculating agent to separate the precipitate to finally reach the standard of standard discharge of the waste water. After the CuS is precipitated, when the solution is pumped out to perform flocculation separation, the CuS precipitation is easy to excite, and when the flocculation separation is performed, the filter plates installed in the flocculation tank are easy to accumulate, so that the flocculation separation efficiency is easy to influence, and the cleaning is inconvenient.
Disclosure of Invention
The utility model provides a recycling treatment device for PCB (printed circuit board) waste etching liquid, which comprises a settling tank and a flocculation tank, wherein the flocculation tank is arranged on the upper part of the outer wall of the right side of the settling tank, a partition plate is arranged on the inner side of the lower part of the settling tank, a plurality of groups of hoppers are arranged on the partition plate in a penetrating way, a feeding mechanism is connected between the upper part of the right side wall of the settling tank and the upper side wall of the flocculation tank, a stirring mechanism is arranged on the upper side wall of the flocculation tank in a penetrating way, a feeding mechanism is arranged on the upper side wall of the flocculation tank in a penetrating way, an inclined filter tank is arranged on the lower side of the flocculation tank in a sliding and limiting way, a drain pipe II is arranged on the lower side wall of the flocculation tank in a penetrating way, and a water collecting tank is arranged below the filter tank.
As an improvement: the feeding mechanism comprises a first pump body which is positioned on the upper portion of the outer wall of the right side of the settling tank and connected with the upper portion of the outer wall of the settling tank, a water inlet pipe is connected with the first water inlet end of the first pump body, the other end of the water inlet pipe extends to the upper side of the partition plate, a first water outlet end of the first pump body is connected with a first water outlet pipe, and the first other end of the water outlet pipe penetrates into the inner side of the upper portion of the flocculation tank.
As an improvement: the stirring mechanism comprises a motor which is positioned on the upper side wall of the flocculation box and penetrates through the connection, and the shaft end of the motor faces downwards and is connected with a stirring rod.
As an improvement: the feeding mechanism comprises a reagent box arranged on the upper side of the flocculation box, a discharge pipe is arranged on the lower side wall of the reagent box in a penetrating way, and a first control valve is arranged on the discharge pipe.
As an improvement: the filter tank is characterized in that vertical plates are respectively connected with the left side and the right side of the front side wall and the rear side wall of the filter tank, limiting sliding blocks are connected with the upper sides of the vertical plates, a plurality of groups of limiting sliding blocks are connected with the lower sides of the flocculation tank to slidingly insert limiting sliding grooves, and bolts are inserted between the side walls of the limiting sliding grooves and the limiting sliding blocks.
As an improvement: and a second pump body is arranged at the lower side edge of the first side wall of the water collecting tank in a penetrating way.
As an improvement: the lower side edge of the left side wall of the sedimentation tank is provided with a discharge opening, and a cover plate is connected between the inner side of the discharge opening and the left side wall of the sedimentation tank.
Compared with the prior art, the utility model has the advantages that: the CuS sediment can be dropped to the bottom of the sedimentation tank through a plurality of groups of funnels on the partition board arranged at the bottom of the sedimentation tank, and the funnels are used for preventing the CuS sediment from being agitated when the liquid at the upper side of the partition board is discharged, so that the sedimentation effect is affected;
the filter tank is installed in the flocculation tank downside, and the liquid after Lin Xu is sent to the filter tank through multiunit drain pipe two and is filtered, can clear up the filter tank during the filtration, and the filter tank is installed through spacing spout, spacing slider and bolt, and convenient dismantlement can thoroughly clear up the filter tank.
Drawings
FIG. 1 is a schematic diagram of a device for recycling waste PCB etching solution;
FIG. 2 is a schematic diagram of a filter tank installation structure of a device for recycling PCB etching waste liquid;
reference numeral control table:
1. a sedimentation tank; 2. a partition plate; 3. a funnel; 4. a discharge port; 5. a cover plate; 6. a flocculation tank; 7. a pump body I; 8. a water inlet pipe; 9. a drain pipe I; 10. a stirring mechanism; 10.1, a motor; 10.2, stirring rod; 11. a feeding mechanism; 11.1, a reagent box; 11.2, discharging pipes; 11.3, a first control valve; 12. a filter tank; 13. a second drain pipe; 14. a second control valve; 15. a water collection tank; 16. a pump body II; 17. a riser; 18. limiting sliding grooves; 19. a limit sliding block; 20. a bolt.
Detailed Description
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings.
As shown in fig. 1, the recycling treatment device for the PCB (printed circuit board) waste etching solution comprises a settling tank 1 and a flocculation tank 6, wherein the flocculation tank 6 is arranged on the upper portion of the outer wall of the right side of the settling tank 1, a partition plate 2 is arranged on the inner side of the lower portion of the settling tank 1, a plurality of groups of hoppers 3 are arranged on the partition plate 2 in a penetrating manner, a feeding mechanism is connected between the upper portion of the right side wall of the settling tank 1 and the upper side wall of the flocculation tank 6, a stirring mechanism 10 is arranged on the upper side wall of the flocculation tank 6 in a penetrating manner, a feeding mechanism 11 is arranged on the upper side wall of the flocculation tank 6 in a penetrating manner, an inclined filter tank 12 is arranged on the lower side of the flocculation tank 6 in a sliding limit manner, a drain pipe II 13 is arranged on the lower side wall of the flocculation tank 6 in a penetrating manner, a control valve II 14 is arranged on the upper side wall of the lower portion of the right side wall of the settling tank 1, a water collecting tank 15 is arranged below the filter tank 12, and a pump body II 16 is arranged on the lower side edge of the side wall of the water collecting tank 15 in a penetrating manner.
In the concrete implementation of the utility model, a proper amount of etching waste liquid and Na2S are sent into the sedimentation tank 1, cuS is generated by reaction in the sedimentation tank 1, the CuS is precipitated downwards in the sedimentation tank 1, the CuS precipitate falls to the bottom of the sedimentation tank 1 through a plurality of groups of funnels 3, the solution on the upper side of the partition plate 2 in the sedimentation tank 1 is sent into the flocculation tank 6 through a feeding mechanism, a proper amount of flocculation agent is sent into the flocculation tank 6 through a feeding mechanism 11, the mixing speed of the solution and the flocculation agent is accelerated through a stirring mechanism 10, after flocculation is completed, a control valve II 14 on a drain pipe II 13 is opened, the flocculation solution is sent into a filter tank 12 through the drain pipe II 13, flocculation is filtered out through the filter tank 12, the liquid is collected into a water collecting tank 15, the water is discharged and collected through a pump body II 16, when flocculation is more in the filter tank 12, the flow speed of the drain pipe II 13 can be reduced, and the inside the filter tank 12 can be cleaned in time.
The feeding mechanism comprises a first pump body 7 which is positioned on the upper portion of the outer wall of the right side of the settling tank 1 and connected with the upper portion of the outer wall of the settling tank 1, a water inlet pipe 8 is connected with the water inlet end of the first pump body 7, the other end of the water inlet pipe 8 extends to the upper side of the partition plate 2, a first drain pipe 9 is connected with the water outlet end of the first pump body 7, the other end of the first drain pipe 9 penetrates into the upper portion of the flocculation tank 6 and is started, suction is generated by the first pump body 7, and solution in the settling tank 1 is conveyed into the flocculation tank 6 through the water inlet pipe 8 and the first drain pipe 9.
The feeding mechanism 11 comprises a reagent box 11.1 arranged on the upper side of the flocculation box 6, a discharge pipe 11.2 is arranged on the lower side wall of the reagent box 11.1 in a penetrating way, a control valve I11.3 is arranged on the discharge pipe 11.2, the opening time of the control valve I11.3 is controlled, the amount of flocculation agent in the reagent box 11.1 can be controlled, and the flocculation agent is sent into the solution in the flocculation box 6 through the discharge pipe 11.2.
The stirring mechanism 10 comprises a motor 10.1 which is arranged on the upper side wall of the flocculation tank 6 and penetrates through the connection, the shaft end of the motor 10.1 faces downwards and is connected with a stirring rod 10.2, the motor 10.1 is started, the stirring rod 10.2 is driven to rotate through the motor 10.1, and the mixing speed of the flocculation agent and the solution is accelerated through the rotation of the stirring rod 10.2.
As shown in fig. 2, the left and right sides of the front and rear side walls of the filter tank 12 are respectively connected with a vertical plate 17, the upper side of the vertical plate 17 is connected with a limit slide block 19, the lower side of the flocculation tank 6 is connected with a plurality of groups of limit slide grooves 18 which are matched with the limit slide blocks 19 to be slidingly inserted, two groups of bolts 20 are inserted between the side walls of the limit slide grooves 18 and the limit slide blocks 19 on the right side, when the filter tank 12 is installed, four groups of limit slide blocks 19 connected with the upper side of the filter tank 12 are inserted into the corresponding limit slide grooves 18, the bolts 20 are inserted into the limit slide grooves 18 and the limit slide blocks 19, and the filter tank 12 is positioned.
As an improvement: the lower side edge of the left side wall of the sedimentation tank 1 is provided with a discharge opening 4, a cover plate 5 is connected between the inner side of the discharge opening 4 and the left side wall of the sedimentation tank 1, after the solution extraction is finished, the cover plate 5 is opened, and CuS sediment and part of the solution are cleaned out through the discharge opening 4.
The above description is illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, but is to be accorded the full scope of the claims.

Claims (7)

1. The utility model provides a PCB circuit board etching waste liquid's resourceful treatment device, includes sedimentation tank (1) and flocculation case (6), flocculation case (6) are installed on sedimentation tank (1) right side outer wall upper portion, its characterized in that: the utility model discloses a sedimentation tank, including sedimentation tank (1), baffle (2) are gone up to pass the installation and are equipped with a plurality of funnel (3) of group, be connected between sedimentation tank (1) right side wall upper portion and the flocculation tank (6) upper side wall and be equipped with feeding mechanism, flocculation tank (6) upper side wall passes to be connected and is equipped with rabbling mechanism (10), flocculation tank (6) upper side wall passes to be equipped with feeding mechanism (11), flocculation tank (6) lower side sliding limit installation is equipped with filter tank (12) of slope, flocculation tank (6) lower side wall passes to be connected and is equipped with drain pipe two (13), be equipped with control valve two (14) on drain pipe two (13), sedimentation tank (1) right side wall lower part and lie in filter tank (12) below and be equipped with water catch bowl (15).
2. The recycling device for waste etching solution of a PCB (printed Circuit Board) according to claim 1, wherein the recycling device is characterized in that: the feeding mechanism comprises a first pump body (7) which is positioned on the upper portion of the outer wall of the right side of the sedimentation tank (1) and connected with the upper portion of the outer wall of the sedimentation tank, a water inlet pipe (8) is connected with the water inlet end of the first pump body (7), the other end of the water inlet pipe (8) extends to the upper side of the partition plate (2), a first drain pipe (9) is connected with the water outlet end of the first pump body (7), and the other end of the first drain pipe (9) penetrates into the inner side of the upper portion of the flocculation tank (6).
3. The recycling device for waste etching solution of a PCB (printed Circuit Board) according to claim 1, wherein the recycling device is characterized in that: the stirring mechanism (10) comprises a motor (10.1) which is arranged on the upper side wall of the flocculation box (6) and penetrates through the flocculation box, the shaft end of the motor (10.1) faces downwards, and a stirring rod (10.2) is arranged in a connecting mode.
4. The recycling device for waste etching solution of a PCB (printed Circuit Board) according to claim 1, wherein the recycling device is characterized in that: the feeding mechanism (11) comprises a reagent box (11.1) arranged on the upper side of the flocculation box (6), a discharging pipe (11.2) is arranged on the lower side wall of the reagent box (11.1) in a penetrating connection mode, and a first control valve (11.3) is arranged on the discharging pipe (11.2).
5. The recycling device for waste etching solution of a PCB (printed Circuit Board) according to claim 1, wherein the recycling device is characterized in that: the filter tank is characterized in that vertical plates (17) are respectively connected and arranged on the left side and the right side of the front side wall and the rear side wall of the filter tank (12), limiting sliding blocks (19) are connected and arranged on the upper sides of the vertical plates (17), a plurality of groups of matched limiting sliding blocks (19) are connected and arranged on the lower side of the flocculation tank (6), limiting sliding grooves (18) are slidingly inserted into the limiting sliding grooves (19), and bolts (20) are inserted between the side walls of the limiting sliding grooves (18) and the limiting sliding blocks (19).
6. The recycling device for waste etching solution of a PCB (printed Circuit Board) according to claim 1, wherein the recycling device is characterized in that: the lower side edge of one side wall of the water collecting tank (15) is provided with a pump body II (16) in a penetrating connection mode.
7. The recycling device for waste etching solution of a PCB (printed Circuit Board) according to claim 1, wherein the recycling device is characterized in that: the sedimentation tank (1) left side wall lower side limit department is equipped with bin outlet (4), be connected between bin outlet (4) inboard and sedimentation tank (1) left side wall and be equipped with apron (5).
CN202322016713.4U 2023-07-30 2023-07-30 Recycling treatment device for PCB (printed circuit board) waste etching liquid Active CN220432564U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322016713.4U CN220432564U (en) 2023-07-30 2023-07-30 Recycling treatment device for PCB (printed circuit board) waste etching liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322016713.4U CN220432564U (en) 2023-07-30 2023-07-30 Recycling treatment device for PCB (printed circuit board) waste etching liquid

Publications (1)

Publication Number Publication Date
CN220432564U true CN220432564U (en) 2024-02-02

Family

ID=89689632

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322016713.4U Active CN220432564U (en) 2023-07-30 2023-07-30 Recycling treatment device for PCB (printed circuit board) waste etching liquid

Country Status (1)

Country Link
CN (1) CN220432564U (en)

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