CN114436437A - Circuit board high-concentration copper ion wastewater treatment equipment and copper ion recovery method thereof - Google Patents

Circuit board high-concentration copper ion wastewater treatment equipment and copper ion recovery method thereof Download PDF

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Publication number
CN114436437A
CN114436437A CN202210036163.XA CN202210036163A CN114436437A CN 114436437 A CN114436437 A CN 114436437A CN 202210036163 A CN202210036163 A CN 202210036163A CN 114436437 A CN114436437 A CN 114436437A
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fixedly connected
box
copper ion
sliding block
sliding
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CN202210036163.XA
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Chinese (zh)
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杨榕柱
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Individual
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281—Installations for water purification using chemical agents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/346—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from semiconductor processing, e.g. waste water from polishing of wafers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The invention relates to the field of circuit board high-concentration copper ion wastewater treatment, in particular to a circuit board high-concentration copper ion wastewater treatment device and a copper ion recovery method thereof. This circuit board high concentration copper ion waste water treatment equipment includes fixed mounting at subaerial work box, be equipped with fixed support device on the work box, one side is equipped with the inlet means that can filter impurity in the fixed support device, be equipped with in the fixed support device and can pressurize and will flocculate the centrifugal filter equipment who extrudees the blocking that deposits. The invention removes impurities before reaction, improves Cu (OH) in finally obtained precipitate2The sixth supporting plate is covered above the rotating box, the servo motor rotates reversely to enable the first filtering small holes and the second filtering small holes to be staggered, and the solution fully reacts in the rotating boxThe solution is prevented from spilling, the fully reacted solution is discharged under the action of pressure and centrifugal force, and the flocculent precipitate Cu (OH) is left on the sixth supporting plate2Extruding into blocks, and removing water to reduce volume.

Description

Circuit board high-concentration copper ion wastewater treatment equipment and copper ion recovery method thereof
Technical Field
The invention relates to the field of circuit board high-concentration copper ion wastewater treatment, in particular to a circuit board high-concentration copper ion wastewater treatment device and a copper ion recovery method thereof.
Background
The production yield and scale of the circuit board are getting bigger, wherein the discharge amount of waste water of large and medium-sized professional production plants is about 1000T/D-20000T/D. The main pollutant of the wastewater is Cu2+Heavy metal ions and biochemically refractory organic substances, and Cu2+Due to the existence of a large amount of EDTA (ethylene diamine tetraacetic acid) and the like in the wastewater and the existence of a complex form, the wastewater is chemically stableIs quite different from common electroplating wastewater. The existing circuit board high-concentration copper ion wastewater treatment equipment has the following problems:
1. flocculent precipitate Cu (OH)2The filtering speed is slow, the occupied area is wide by adopting the sedimentation tank, and the use efficiency is low.
2. The waste water contains excessive impurities which are not beneficial to Cu2+Recovery, long reaction time, flocculent precipitate Cu (OH)2The large water content makes the volume thereof too large.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a circuit board high-concentration copper ion wastewater treatment device and a copper ion recovery method thereof, wherein impurities are removed before reaction, and the content of Cu (OH) in finally obtained precipitate is improved2The sixth supporting plate covers the upper part of the rotating box, the servo motor rotates reversely to enable the first filtering small holes and the second filtering small holes to be staggered, the solution is fully reacted in the rotating box to avoid the solution from spilling, the fully reacted solution is discharged from the first filtering small holes and the second filtering small holes under the action of pressurization and centrifugal force, and flocculent precipitate Cu (OH) is left on the sixth supporting plate2Extruding into blocks, and removing water to reduce volume.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a circuit board high concentration copper ion waste water treatment equipment and copper ion recovery method thereof, this circuit board high concentration copper ion waste water treatment equipment includes the subaerial work box of fixed mounting, be equipped with fixed support device on the work box, one side is equipped with the inlet means that can filter impurity in the fixed support device, be equipped with in the fixed support device and pressurize and will flocculate the centrifugal filter equipment who extrudees the blocking with the sediment.
Preferably, the fixed support device further comprises an alkaline liquid tank fixedly connected to one side of the upper end of the working tank, sodium hydroxide and calcium hydroxide solution are arranged in the alkaline liquid tank, a first support plate is fixedly connected to the upper side outside the working tank, a second support plate is fixedly connected to the lower side outside the working tank, a movable door is arranged on one side, away from the second support plate, of the working tank, a first sliding groove is formed in the center of the inner bottom plate of the working tank, a first sliding block is arranged in the first sliding groove in a sliding mode, a first spring is fixedly connected between the lower end of the first sliding block and the first sliding groove, and a third support plate is fixedly connected to the upper end of the first sliding block.
Preferably, the inlet means is including establishing the feed liquor way in first backup pad and work box, feed liquor way below is equipped with the second spout in the first backup pad, it is equipped with the second slider to slide in the second spout, fixed connection filter screen between second slider upper end and the feed liquor way, filter screen below is equipped with the piece case in the first backup pad, the other work box one side that is close to of second spout is equipped with the third spout in the first backup pad, it is equipped with the third slider to slide in the third spout, third slider left side and second slider fixed connection, fixed connection second spring between third slider right side and the third spout.
Preferably, the top of the liquid inlet channel in the working box is provided with an alkali liquid channel, one end of the alkali liquid channel is fixedly connected with the alkali liquid box, the other end of the alkali liquid channel is fixedly connected with the liquid inlet channel, the lower part of the alkali liquid channel in the liquid inlet channel is rotatably connected with the impeller, a first rotating shaft is fixedly connected with the upper part of the impeller in the working box, a gear pump is rotatably connected with the upper part of the impeller in the alkali liquid channel, and the upper end of the first rotating shaft is fixedly connected with the gear pump.
Preferably, a fourth sliding groove is formed in the upper portion of the liquid inlet channel in the working box, a fourth sliding block is arranged in the fourth sliding groove in a sliding mode, a third spring is fixedly connected between the upper end of the fourth sliding block and the fourth sliding groove, the fourth sliding block is fixedly connected with a fourth supporting plate at one outward end, a fifth sliding groove is formed in the lower portion of the fourth sliding groove in the working box, a fifth sliding block is arranged in the fifth sliding groove in a sliding mode, and the upper end of the fifth sliding block is fixedly connected with the fourth sliding block.
Preferably, the centrifugal filter device comprises a first hydraulic cylinder fixedly connected to the center of the upper end of the work box, a hydraulic rod of the first hydraulic cylinder is fixedly connected with a fifth support plate downwards, a sixth sliding groove is formed in the lower end of the fifth support plate, a sixth sliding block is arranged in the sixth sliding groove in a sliding mode, a fourth spring is fixedly connected between the upper end of the sixth sliding block and the sixth sliding groove, and the lower end of the sixth sliding block is fixedly connected with a sixth support plate.
Preferably, a servo motor is fixedly connected to one side of the outer end of the working box, which is far away from the first supporting plate, the output end of the servo motor is fixedly connected with a second rotating shaft inwards, the other end of the second rotating shaft is fixedly connected with a helical gear, the working box is connected with a rotating box in a rotating manner, the outer end of the rotating box is fixedly connected with a ring gear, the ring gear is matched with the helical gear, a plurality of rows of first filtering small holes are arranged on the lower side of the rotating box along the circumferential direction, a plurality of first supporting blocks are fixedly connected to the lower side of the ring gear at the outer end of the rotating box along the circumferential direction, a bearing is fixedly connected to the lower side of the helical gear in the working box, the ring supporting plate is rotatably connected in the bearing, second filtering small holes matched with the first filtering small holes are arranged in the ring supporting plate, a second supporting block is fixedly connected to the upper end of the ring supporting plate in a matching manner with the first supporting block, and a movable plate is arranged at the lower end of the rotating box, a liquid outlet channel is arranged outside the rotating box in the working box, a second hydraulic cylinder is fixedly connected in the second supporting plate, and a hydraulic rod of the second hydraulic cylinder is fixedly connected with the scraper plate inwards.
Preferably, the circuit board high-concentration copper ion wastewater treatment equipment and the copper ion recovery method thereof comprise the following steps:
s1: the Cu2+ system wastewater which is fully mixed with HSO4 and FeSO4 and has the pH value controlled is passed through an inlet passage, and the wastewater is firstly filtered by a filter screen to remove impurities;
s2: mixing the wastewater after deslagging with NaOH and Ca (OH)2 to control the pH value to be higher than that, covering a sixth supporting plate above the rotating box, and closing a liquid inlet channel;
s3: the servo motor rotates reversely to enable the first filtering small holes and the second filtering small holes to be staggered, and the solution is fully reacted in the rotating box;
s4: the servo motor rotates positively, the sixth supporting plate moves downwards, and the fully reacted solution is discharged from the first filtering small hole and the second filtering small hole under the action of pressurization and centrifugal force, so that flocculent precipitate Cu (OH)2 is left.
Has the advantages that:
1. removing impurities before reaction, increasing Cu (OH) in finally obtained precipitate2The content of (a).
2. The sixth supporting plate covers the upper portion of the rotating box, the servo motor rotates reversely to enable the first filtering small holes and the second filtering small holes to be staggered, and the solution is fully reacted in the rotating box to avoid the solution from being spilled.
3. The solution after full reaction is discharged from the first filtering small hole and the second filtering small hole under the action of pressure and centrifugal force, and flocculent precipitate Cu (OH) is left on the sixth supporting plate2Pressing into blocks, removing water and reducing volume.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 2;
in the figure: 10. fixing the supporting device; 11. a liquid inlet device; 12. a centrifugal filtration device; 13. a work box; 14. an alkaline liquid tank; 15. a first support plate; 16. a second support plate; 17. a movable door; 18. a first chute; 19. a first slider; 20. a first spring; 21. a third support plate; 22. a liquid inlet passage; 23. a second chute; 24. a second slider; 25. a filter screen; 26. a scrap box; 27. a third chute; 28. a third slider; 29. a second spring; 30. an alkaline solution channel; 31. an impeller; 32. a first rotating shaft; 33. a gear pump; 34. a fourth chute; 35. a fourth slider; 36. a third spring; 37. a fourth support plate; 38. a fifth chute; 39. a fifth slider; 40. a first hydraulic cylinder; 41. a fifth support plate; 42. a sixth chute; 43. a sixth slider; 44. a fourth spring; 45. a sixth support plate; 46. a servo motor; 47. a second rotating shaft; 48. a helical gear; 49. a rotating box; 50. a ring gear; 51. a first filter aperture; 52. a first support block; 53. a bearing; 54. an annular support plate; 55. a second filter aperture; 56. a second support block; 57. a movable plate; 58. a liquid outlet channel; 59. a second hydraulic cylinder; 60. a scraper.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
With reference to the attached drawings 1-5, the high-concentration copper ion wastewater treatment equipment for the circuit board and the copper ion recovery method thereof are disclosed, and the high-concentration copper ion wastewater treatment equipment for the circuit board comprises a work box 13 fixedly installed on the ground, wherein a fixed supporting device 10 is arranged on the work box 13, a liquid inlet device 11 capable of filtering impurities is arranged on one side in the fixed supporting device 10, and a centrifugal filtering device 12 capable of pressurizing and extruding flocculent precipitates into blocks is arranged in the fixed supporting device 10.
Further, with reference to fig. 1, 2 and 4, the fixing and supporting device 10 further includes an alkaline liquid tank 14 fixedly connected to one side of the upper end of the working tank 13, the alkaline liquid tank 14 is provided with sodium hydroxide and calcium hydroxide solution, a first supporting plate 15 fixedly connected to the outer upper side of the working tank 13, a second supporting plate 16 fixedly connected to the outer lower side of the working tank 13, a movable door 17 is provided at one side of the working tank 13 away from the second supporting plate 16, a first sliding groove 18 is provided at the center of the bottom plate in the working tank 13, a first sliding block 19 is slidably provided in the first sliding groove 18, a first spring 20 fixedly connected between the lower end of the first sliding block 19 and the first sliding groove 18, and a third supporting plate 21 fixedly connected to the upper end of the first sliding block 19.
Further, with reference to fig. 2 and 3, the liquid inlet device 11 includes a liquid inlet passage 22 disposed in the first supporting plate 15 and the working box 13, a second chute 23 is disposed below the liquid inlet passage 22 in the first supporting plate 15, a second slider 24 is slidably disposed in the second chute 23, a filter screen 25 is fixedly connected between the upper end of the second slider 24 and the liquid inlet passage 22, a debris box 26 is disposed below the filter screen 25 in the first supporting plate 15, a third chute 27 is disposed beside the second chute 23 in the first supporting plate 15 and near the working box 13, a third slider 28 is slidably disposed in the third chute 27, the left side of the third slider 28 is fixedly connected with the second slider 24, and a second spring 29 is fixedly connected between the right side of the third slider 28 and the third chute 27.
Further, with reference to fig. 2 and 3, an alkaline solution channel 30 is disposed above the liquid inlet channel 22 in the working box 13, one end of the alkaline solution channel 30 is fixedly connected to the alkaline solution box 14, the other end of the alkaline solution channel 30 is fixedly connected to the liquid inlet channel 22, an impeller 31 is rotatably connected to the lower portion of the alkaline solution channel 30 in the liquid inlet channel 22, a first rotating shaft 32 is fixedly connected to the upper portion of the impeller 31 in the working box 13, a gear pump 33 is rotatably connected to the upper portion of the impeller 31 in the alkaline solution channel 30, and the upper end of the first rotating shaft 32 is fixedly connected to the gear pump 33.
Further, with reference to fig. 2, a fourth sliding groove 34 is disposed above the liquid inlet 22 in the working box 13, a fourth sliding block 35 is slidably disposed in the fourth sliding groove 34, a third spring 36 is fixedly connected between the upper end of the fourth sliding block 35 and the fourth sliding groove 34, a fourth supporting plate 37 is fixedly connected to the outward end of the fourth sliding block 35, a fifth sliding groove 38 is disposed below the fourth sliding groove 34 in the working box 13, a fifth sliding block 39 is slidably disposed in the fifth sliding groove 38, and the upper end of the fifth sliding block 39 is fixedly connected to the fourth sliding block 35.
Further, with reference to fig. 1 and 2, the centrifugal filter device 12 includes a first hydraulic cylinder 40 fixedly connected to the center of the upper end of the working box 13, a hydraulic rod of the first hydraulic cylinder 40 is downward fixedly connected to a fifth supporting plate 41, a sixth sliding slot 42 is arranged at the lower end of the fifth supporting plate 41, a sixth sliding block 43 is slidably arranged in the sixth sliding slot 42, a fourth spring 44 is fixedly connected between the upper end of the sixth sliding block 43 and the sixth sliding slot 42, and the lower end of the sixth sliding block 43 is fixedly connected to a sixth supporting plate 45.
Further, with reference to fig. 2, 4 and 5, one side of the outer end of the working box 13 away from the first support plate 15 is fixedly connected with a servo motor 46, the output end of the servo motor 46 is fixedly connected with a second rotating shaft 47 inward, the other end of the second rotating shaft 47 is fixedly connected with a helical gear 48, the working box 13 is rotatably connected with a rotating box 49, the outer end of the rotating box 49 is fixedly connected with a ring gear 50, the ring gear 50 is matched with the helical gear 48, a plurality of rows of first filtering pores 51 are arranged on the inner lower side of the rotating box 49 along the circumferential direction, a plurality of first support blocks 52 are fixedly connected below the ring gear 50 on the outer end of the rotating box 49 along the circumferential direction, a bearing 53 is fixedly connected below the helical gear 48 in the working box 13, the bearing 53 is rotatably connected with a ring support plate 54, second filtering pores 55 matched with the first filtering pores 51 are arranged in the ring support plate 54, the upper end of the ring support plate 54 is matched with the first support blocks 52 and fixedly connected with second support blocks 56, the lower end of the rotating box 49 is provided with a movable plate 57, the outer of the rotating box 49 in the working box 13 is provided with a liquid outlet channel 58, the inner of the second supporting plate 16 is fixedly connected with a second hydraulic cylinder 59, and the hydraulic rod of the second hydraulic cylinder 59 is fixedly connected with a scraper 60 inwards.
Further, with reference to fig. 1-5, the apparatus for treating wastewater containing high concentration copper ions on circuit board and the method for recovering copper ions thereof comprise the following steps:
s1: will already be well mixed with H2SO4And FeSO4Cu with pH 4 control2+The waste water passes through a liquid inlet passage 22, and the waste water firstly passes through a filter screen 25 to filter impurities;
s2: mixing the waste water after deslagging with NaOH and Ca (OH)2After controlling the pH to be more than 9, the sixth supporting plate 45 covers the upper part of the rotating box 49, and the liquid inlet passage 22 is closed;
s3: the servo motor 46 rotates reversely to enable the first filtering small holes 51 and the second filtering small holes 55 to be staggered, and the solution is fully reacted in the rotating box 49;
s4: the servo motor 46 rotates forward, the sixth supporting plate 45 moves downward, and the fully reacted solution is discharged from the first filtering small hole 51 and the second filtering small hole 55 under the action of pressure and centrifugal force, leaving flocculent precipitate Cu (OH)2。
The working principle is as follows: will already be well mixed with H2SO4And FeSO4Cu with pH 4 control2+Waste water passes through the liquid inlet passage 22, impurities are filtered when the waste water passes through the filter screen 25, the waste water drives the filter screen 25 to move rightwards, the filter screen 25 drives the second slide block 24 to move rightwards, and the second slide block 24 drives the third slide block 28 to move rightwards. The wastewater drives the impeller 31 to rotate, the impeller 31 drives the first rotating shaft 32 to rotate, the first rotating shaft 32 drives the gear pump 33 to rotate, NaOH and Ca (OH) in the alkaline solution tank 142Sneak into in the waste water, make pH be greater than 9, after the appropriate amount of solution of packing into in the rotation case 49, the hydraulic stem extension of first pneumatic cylinder 40 drives fifth backup pad 41 and moves down, fifth backup pad 41 drives sixth slider 43 and moves down, sixth slider 43 drives sixth backup pad 45 and moves down and covers rotation case 49, fourth slider 35 moves down under the effect of third spring 36, fourth slider 35 drives fourth backup pad 37 and moves down, fourth slider 35 drives fifth slider 39 and moves down and close feed liquor channel 22, third slider 28 moves left under the effect of second spring 29, third slider 28 drives second slider 24 and moves left, second slider 24 drives filter screen 25 and moves left, make the filterable impurity on the filter screen 25 fall into piece case 26, increase filter screen 25's life and filter effect.
The output end of the servo motor 46 rotates reversely to drive the second rotating shaft 47 to rotate reversely, the second rotating shaft 47 drives the bevel gear 48 to rotate reversely, the bevel gear 48 drives the ring gear 50 to rotate reversely, the ring gear 50 drives the rotating box 49 to rotate reversely, the rotating box 49 drives the first supporting block 52 to rotate reversely, the first supporting block 52 drives the second supporting block 56 to rotate reversely, the second supporting block 56 drives the annular supporting plate 54 to rotate reversely, so that the first filtering small hole 51 and the second filtering small hole 55 are staggered, the solution fully reacts in the rotating box 49 in the internal rotation, Cu (OH)2Producing flocculent precipitate. When the solution is fully reacted, the sixth supporting plate 45 continues to move downwards to pressurize the solution, the output end of the servo motor 46 rotates forward to drive the second rotating shaft 47 to rotate forward, the second rotating shaft 47 drives the helical gear 48 to rotate forward, the helical gear 48 drives the ring gear 50 to rotate forward, the ring gear 50 drives the rotating box 49 to rotate forward, the rotating box 49 drives the first supporting block 52 to rotate forward, the first supporting block 52 drives the second supporting block 56 to rotate forward, the second supporting block 56 drives the ring supporting plate 54 to rotate forward, so that the first filtering small holes 51 and the second filtering small holes 55 are overlapped, the fully reacted solution is discharged from the first filtering small holes 51 and the second filtering small holes 55 under the action of pressurization and centrifugal force, and the sixth supporting plate 45 leaves flocculent precipitate Cu (OH)2Extruding into blocks, removing water and reducing bodyThen the movable plate 57 is opened to make Cu (OH)2The block falls on the third support plate 21 to drive it to move downward, and the third support plate 21 drives the first slide block 19 to move downward.
The hydraulic stem of first pneumatic cylinder 40 retracts and drives fifth backup pad 41 and up moves, and fifth backup pad 41 drives sixth slider 43 and up moves, and sixth slider 43 drives sixth backup pad 45 and up moves, and sixth backup pad 45 drives fourth backup pad 37 and up moves, and fourth backup pad 37 drives fourth slider 35 and up moves, and sixth backup pad 45 drives fifth slider 39 and up moves for feed liquor way 22 is opened. When the third supporting plate 21 is moved to the bottom, the hydraulic rod of the second hydraulic cylinder 59 is extended to drive the scraper 60 to move inwards to make Cu (OH)2The block is pushed into a collection bin.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (8)

1. The utility model provides a circuit board high concentration copper ion waste water treatment equipment and copper ion recovery method thereof, characterized in that, this circuit board high concentration copper ion waste water treatment equipment includes subaerial work box (13) of fixed mounting, be equipped with fixed support device (10) on work box (13), one side is equipped with inlet means (11) that can filter impurity in fixed support device (10), be equipped with in fixed support device (10) and can pressurize and extrude into centrifugal filter equipment (12) of piece with the flocculent sediment.
2. The high-concentration copper ion wastewater treatment equipment and the copper ion recovery method for circuit boards according to claim 1, wherein the fixed supporting device (10) further comprises an alkaline solution tank (14) fixedly connected to one side of the upper end of the working tank (13), sodium hydroxide and calcium hydroxide solution are arranged in the alkaline solution tank (14), a first supporting plate (15) is fixedly connected to the outer upper side of the working tank (13), a second supporting plate (16) is fixedly connected to the outer lower side of the working tank (13), a movable door (17) is arranged in the working tank (13) and far away from the second supporting plate (16), a first chute (18) is arranged at the center of the inner bottom plate of the working tank (13), a first sliding block (19) is arranged in the first chute (18) in a sliding manner, and a first spring (20) is fixedly connected between the lower end of the first sliding block (19) and the first chute (18), the upper end of the first sliding block (19) is fixedly connected with a third supporting plate (21).
3. The circuit board high-concentration copper ion wastewater treatment equipment and the copper ion recovery method thereof according to claim 2, wherein the liquid inlet device (11) comprises a liquid inlet channel (22) arranged in a first support plate (15) and a working box (13), a second chute (23) is arranged below the liquid inlet channel (22) in the first support plate (15), a second sliding block (24) is arranged in the second chute (23) in a sliding manner, a filtering net (25) is fixedly connected between the upper end of the second sliding block (24) and the liquid inlet channel (22), a debris box (26) is arranged below the filtering net (25) in the first support plate (15), a third chute (27) is arranged beside the second chute (23) in the first support plate (15) and close to one side of the working box (13), a third sliding block (28) is arranged in the third chute (27) in a sliding manner, and the left side of the third sliding block (28) is fixedly connected with the second sliding block (24), a second spring (29) is fixedly connected between the right side of the third sliding block (28) and the third sliding chute (27).
4. The equipment for treating the high-concentration copper ion wastewater of the circuit board and the method for recycling the copper ions thereof according to claim 3, wherein an alkaline solution channel (30) is arranged above the liquid inlet channel (22) in the working box (13), one end of the alkaline solution channel (30) is fixedly connected with the alkaline solution box (14), the other end of the alkaline solution channel (30) is fixedly connected with the liquid inlet channel (22), an impeller (31) is rotatably connected below the alkaline solution channel (30) in the liquid inlet channel (22), a first rotating shaft (32) is fixedly connected above the impeller (31) in the working box (13), a gear pump (33) is rotatably connected above the impeller (31) in the alkaline solution channel (30), and the upper end of the first rotating shaft (32) is fixedly connected with the gear pump (33).
5. The equipment for treating the high-concentration copper ion wastewater of the circuit board and the method for recovering the copper ions thereof according to claim 4, wherein a fourth sliding groove (34) is formed above a liquid inlet channel (22) in the working box (13), a fourth sliding block (35) is arranged in the fourth sliding groove (34) in a sliding manner, a third spring (36) is fixedly connected between the upper end of the fourth sliding block (35) and the fourth sliding groove (34), a fourth supporting plate (37) is fixedly connected with one outward end of the fourth sliding block (35), a fifth sliding groove (38) is formed below the fourth sliding groove (34) in the working box (13), a fifth sliding block (39) is arranged in the fifth sliding groove (38) in a sliding manner, and the upper end of the fifth sliding block (39) is fixedly connected with the fourth sliding block (35).
6. The high-concentration copper ion wastewater treatment equipment for the circuit board and the copper ion recovery method thereof according to claim 5, wherein the centrifugal filter device (12) comprises a first hydraulic cylinder (40) fixedly connected to the center of the upper end of the work box (13), a hydraulic rod of the first hydraulic cylinder (40) is fixedly connected with a fifth support plate (41) downwards, a sixth sliding chute (42) is arranged at the lower end of the fifth support plate (41), a sixth sliding block (43) is arranged in the sixth sliding chute (42) in a sliding manner, a fourth spring (44) is fixedly connected between the upper end of the sixth sliding block (43) and the sixth sliding chute (42), and a sixth support plate (45) is fixedly connected to the lower end of the sixth sliding block (43).
7. The high-concentration copper ion wastewater treatment equipment and the copper ion recovery method for circuit boards according to claim 6, wherein one side of the outer end of the working box (13) far away from the first supporting plate (15) is fixedly connected with a servo motor (46), the output end of the servo motor (46) is fixedly connected with a second rotating shaft (47) inwards, the other end of the second rotating shaft (47) is fixedly connected with a helical gear (48), the working box (13) is rotatably connected with a rotating box (49), the outer end of the rotating box (49) is fixedly connected with a ring gear (50), the ring gear (50) is matched with the helical gear (48), a plurality of rows of first filtering small holes (51) are arranged on the inner lower side of the rotating box (49) along the circumferential direction, a plurality of first supporting blocks (52) are fixedly connected below the ring gear (50) on the outer end of the rotating box (49) along the circumferential direction, helical gear (48) below fixed connection bearing (53) in work box (13), bearing (53) internal rotation connects annular support plate (54), be equipped with in annular support plate (54) filter aperture (55) with first filtration aperture (51) complex second, annular support plate (54) upper end and first supporting shoe (52) cooperation fixed connection second supporting shoe (56), rotation box (49) lower extreme is equipped with fly leaf (57), be equipped with liquid outlet channel (58) outside rotation box (49) in work box (13), second supporting shoe (16) internal fixation connects second hydraulic cylinder (59), the hydraulic stem of second hydraulic cylinder (59) is towards internal fixation connection scraper blade (60).
8. The apparatus for treating wastewater containing high concentration of copper ions for circuit boards and the method for recycling copper ions thereof as claimed in claims 1 to 7, wherein the apparatus for treating wastewater containing high concentration of copper ions for circuit boards and the method for recycling copper ions thereof comprises the steps of:
s1: will already be well mixed with H2SO4And FeSO4Cu with pH 4 control2+Waste water passes through a liquid inlet passage (22), and impurities in the waste water are filtered by a filter screen (25);
s2: mixing the waste water after deslagging with NaOH and Ca (OH)2After controlling the pH value to be more than 9, the sixth supporting plate (45) covers the upper part of the rotating box (49), and the liquid inlet channel (22) is closed;
s3: the servo motor (46) rotates reversely to enable the first filtering pores (51) and the second filtering pores (55) to be staggered, and the solution is fully reacted in the rotating box (49);
s4: the servo motor (46) rotates forwards, the sixth supporting plate (45) moves downwards, and the fully reacted solution is discharged from the first filtering small hole (51) and the second filtering small hole (55) under the action of pressurization and centrifugal force, leaving flocculent precipitate Cu (OH)2。
CN202210036163.XA 2022-01-13 2022-01-13 Circuit board high-concentration copper ion wastewater treatment equipment and copper ion recovery method thereof Withdrawn CN114436437A (en)

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CN202210036163.XA CN114436437A (en) 2022-01-13 2022-01-13 Circuit board high-concentration copper ion wastewater treatment equipment and copper ion recovery method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115531913A (en) * 2022-09-23 2022-12-30 福建润百祥茶业有限公司 Preparation device and method of tea extract

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115531913A (en) * 2022-09-23 2022-12-30 福建润百祥茶业有限公司 Preparation device and method of tea extract

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