CN114772869B - Copper-containing waste liquid metal recovery treatment process - Google Patents
Copper-containing waste liquid metal recovery treatment process Download PDFInfo
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- CN114772869B CN114772869B CN202210566355.1A CN202210566355A CN114772869B CN 114772869 B CN114772869 B CN 114772869B CN 202210566355 A CN202210566355 A CN 202210566355A CN 114772869 B CN114772869 B CN 114772869B
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- 239000002699 waste material Substances 0.000 title claims abstract description 88
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 38
- 239000010949 copper Substances 0.000 title claims abstract description 38
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 13
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 114
- 239000007788 liquid Substances 0.000 claims abstract description 82
- 238000007790 scraping Methods 0.000 claims abstract description 62
- 239000002893 slag Substances 0.000 claims abstract description 47
- 238000007747 plating Methods 0.000 claims abstract description 43
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000009713 electroplating Methods 0.000 claims description 75
- 239000002184 metal Substances 0.000 claims description 62
- 229910052751 metal Inorganic materials 0.000 claims description 62
- 238000007599 discharging Methods 0.000 claims description 19
- 238000005086 pumping Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 150000001879 copper Chemical class 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 9
- 238000002156 mixing Methods 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001802 infusion Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- 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
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a copper-containing waste liquid metal recovery treatment process, which comprises the steps of slag filtration: the invention relates to the technical field of copper-containing waste liquid recovery, in particular to a copper-containing waste liquid recycling device. This copper-containing waste liquid metal recovery processing technology, scrape the hopper and slide on the arc contact surface and scrape the disintegrating slag, water flows down in the gap of scraping the hopper, the flow is to scraping the empty slot blowout on hopper surface from the jet, under the promotion of air current, scrap in the scraping hopper is blown to neutralization plating box surface by it and accept on the conveyer belt carries, waste liquid through filtering the disintegrating slag is carried neutralization plating box from the filter screen of treatment box and neutralization plating box junction, pour into neutralization plating solution and react, neutralization plating reaction is carried out after filtering with the piece that can be quick, the piece to inside is cleared up.
Description
Technical Field
The invention relates to the technical field of copper-containing waste liquid recovery, in particular to a copper-containing waste liquid metal recovery treatment process.
Background
The copper-containing etching waste liquid treatment device comprises a bottom plate, wherein a liquid distribution sedimentation tank is fixedly arranged on one side of the upper surface of the bottom plate, an electroplating tank is fixedly arranged on one side, far away from the liquid distribution sedimentation tank, of the upper surface of the bottom plate, and a water inlet pipe is communicated with the upper part inside the right side of the liquid distribution sedimentation tank.
However, the copper-containing etching waste liquid has the following defects that a lot of garbage and large-particle sundries in production exist, and if the garbage and the large-particle sundries are not filtered, the subsequent acid-base neutralization and electroplating treatment can be affected; the water pumping pipe directly pumps the liquid in the liquid preparation sedimentation tank, so that sediment in the liquid preparation sedimentation tank is easily pumped into the electroplating tank.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a copper-containing waste liquid metal recovery treatment process, which solves the problems.
In order to achieve the above purpose, the invention is realized by the following technical scheme: a copper-containing waste liquid metal recovery treatment process comprises the following steps:
step one, slag crushing and filtering: adding waste liquid into the waste liquid through the feeding of the top of a treatment box in treatment equipment, enabling the waste liquid to enter the treatment box, scraping scraps, blowing out the scraps into a neutralization electroplating box, starting a driving motor to drive a driving shaft to rotate, driving the driving shaft to rotate to drive a connecting rod to drive a scraping hopper to slide on an arc-shaped contact surface in the treatment box, scraping the scraps by the movement of the scraping hopper, enabling water to flow down from a gap of the scraping hopper, scraping the scraps to be flush with the ground, enabling an air pipe to supply air to an air supply box, enabling the air supply box to supply air to an air jet, enabling air flow to jet out an empty groove on the surface of the scraping hopper from the air jet, and blowing the scraps in the scraping hopper onto a waste residue carrying conveyor belt on the surface of the neutralization electroplating box by the scraping hopper under the pushing of the air flow;
step two, copper metal neutralization electroplating: delivering the waste liquid after filtering the slag into a neutralization electroplating tank from a filter screen at the joint of the treatment tank and the neutralization electroplating tank, injecting the neutralization electroplating liquid for reaction, injecting the neutralization electroplating liquid into an air outlet pipeline through the neutralization electroplating liquid tank at the moment, then starting an air pump to supply air to the air outlet pipeline at the moment, delivering the air and liquid into an annular pipeline after mixing the air outlet pipeline, spraying the air and liquid out through an air outlet uniformly arranged on the surface of the annular pipeline, mixing the air and the waste liquid in the neutralization electroplating tank under the driving of impact force, delivering the residual waste liquid after the liquid level in the treatment tank is reduced below the filter screen, opening an output pipeline, pumping the waste liquid by a pumping pump, delivering the waste liquid into the neutralization electroplating tank under the action of the output pipeline, and performing neutralization electroplating, wherein the waste liquid adsorbed on the surface drops into the neutralization electroplating tank from a permeation hole formed on the surface of a waste slag carrying conveyer belt when the slag carried in the step one is delivered under the action of the waste slag carrying conveyer belt;
step three, discharging: carrying out solid-liquid separation after the copper metal neutralization is electroplated, copper metal after neutralization electroplating falls into the bottom of a neutralization electroplating box, slides into a metal collecting cavity in a discharging box along the bottom of the neutralization electroplating box, is piled in an adaptation groove, rotates a metal output driving belt, drives a scraper on the surface to rotate, scrapes metal in the adaptation groove, then rises to the top point and then falls into a discharging inclined plane in the metal collecting cavity under the action of gravity to be output, recycling treatment is carried out on the crushed slag, and the crushed slag enters a waste slag collecting cavity to be collected in a concentrated manner through the conveying of a waste slag carrying conveying belt.
As a further scheme of the invention: the scraping of the scraps in the first step specifically comprises the following steps: the driving motor is started to drive the driving shaft to rotate, the driving shaft rotates to drive the connecting rod to rotate to drive the scraping hopper to slide on the arc-shaped contact surface in the treatment box, the scraping hopper moves to scrape the broken slag, and water flows down from the gap of the scraping hopper.
As a further scheme of the invention: the blowing out of the slag into the neutralization plating tank in the first step specifically comprises the following steps: after scraping the hopper and scraping the piece and flush with the ground, the air pipe supplies air to the air supply box, the air supply box supplies air to the air jet, air current is sprayed out of the empty slot on the surface of the scraping hopper from the air jet, and under the pushing of the air current, the broken slag in the scraping hopper is blown to the waste residue carrying conveyer belt on the surface of the neutralization electroplating box by the broken slag in the scraping hopper for conveying.
As a further scheme of the invention: the reaction of the injected neutralization plating solution in the second step specifically comprises the following steps: at this time, the neutralization electroplating liquid is injected into the air outlet pipeline through the neutralization electroplating liquid box, then the air pump is started to supply air to the air outlet pipeline, then the air and the liquid are conveyed into the annular pipeline after being mixed by the air outlet pipeline, and are sprayed out through the air outlets uniformly formed in the surface of the annular pipeline, and are mixed with the waste liquid in the neutralization electroplating box under the driving of impact force.
As a further scheme of the invention: the step two of outputting the residual waste liquid specifically comprises the following steps: opening an output pipeline, pumping by a pumping pump, outputting the waste liquid to a neutralization electroplating tank for neutralization electroplating under the action of the output pipeline, and dripping waste liquid adsorbed on the surface into the neutralization electroplating tank from a penetration hole formed on the surface of the waste residue carrying conveyor belt when the crushed slag carried to the upper part of the waste residue carrying conveyor belt in the step one is carried out, so that the neutralization electroplating is carried out under the action of a neutralization electroplating liquid.
As a further scheme of the invention: in the third step, the solid-liquid separation is carried out after the copper metal is neutralized and electroplated, and the method specifically comprises the following steps: copper metal after neutralization electroplating falls into the bottom of the neutralization electroplating tank, slides into a metal collecting cavity in the discharging tank along the bottom of the neutralization electroplating tank, and is accumulated in the adapting groove.
As a further scheme of the invention: the outputting of the separated copper metal in the third step specifically comprises the following steps: the metal output transmission belt rotates to drive the scraping plate on the surface to rotate, scrapes the metal in the adaptation groove, and then rises to the top point and falls into the discharging inclined plane in the metal collecting cavity under the action of gravity to be output.
As a further scheme of the invention: the recycling treatment of the slag in the third step specifically comprises the following steps: at the moment, the crushed slag enters the slag collecting cavity for centralized collection through the conveying of the slag receiving conveyer belt.
The treatment equipment comprises a treatment box, a feed inlet is formed in the top of the treatment box, a driving shaft driven by a driving motor is rotationally connected to the inner cavity of the treatment box, a connecting rod is fixedly connected to the surface of the driving shaft, a scraping hopper is fixedly connected to one end of the connecting rod, an arc-shaped contact surface abutting against the surface of the scraping hopper is formed in the inner cavity of the treatment box, the scraping hopper is made of a filter plate, an air supply box is rotationally connected to the surface of the connecting rod, a material receiving groove is formed in the surface of the scraping hopper, an air jet is communicated with one side of the air supply box, an empty groove is formed in one side of the scraping hopper facing the air jet, a balancing weight is fixedly connected to the bottom of the air supply box, the air jet always maintains a state parallel to the ground under the action of the balancing weight, the air supply box is supplied through an air pipe built in the driving shaft, one side of the treatment box is fixedly connected with a neutralization plating box, the treatment box is communicated with the middle plating box through a filter screen, the inner cavity of the treatment box is communicated with an output pipeline extending to the middle plating box inner cavity, the surface of the output pipeline is arranged on the surface of the output pipeline, a material receiving pipeline is arranged on the surface of the air supply pipeline is fixedly connected with the air exhaust pipeline, the waste residue is connected with the air exhaust pipeline is fixedly connected to the air exhaust pipeline, the waste residue is communicated with the air exhaust pipeline is connected with the air exhaust pipeline through the air exhaust pipeline and the air exhaust pipeline through the air pump through the air pipe, the air exhaust pipeline is fixedly connected to the air exhaust pipeline and the air exhaust pipeline is connected to the air pump pipeline through the air pipeline in the air pipeline through the pipeline, the inner chamber fixedly connected with annular duct of neutralization electroplating case, the gas outlet has been seted up to annular duct's surface, the one end and the inner chamber intercommunication of annular duct of gas outlet duct, the one side fixedly connected with discharging case of neutralization electroplating case, the inner chamber of discharging case cuts off respectively through the partition panel has waste residue to collect chamber and metal to collect the chamber, the waste residue is collected the chamber and is located the opposite side that the conveyer belt was accepted to the waste residue, one side of metal is collected the chamber and is communicated with the inner chamber of neutralization electroplating case through the intercommunication groove, the inner chamber fixedly connected with metal output drive belt of metal collection chamber, the fixed surface of metal output drive belt is connected with the scraper blade, the adaptation groove with the surface adaptation of scraper blade has been seted up to the bottom of metal collection chamber inner chamber, the discharge inclined plane has been seted up to the surface that the metal collection chamber is located under the metal output drive belt.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the scraping hopper slides on the arc-shaped contact surface to scrape the slag, water flows down from the gap of the scraping hopper, the water flows out from the air jet to blow the empty groove on the surface of the scraping hopper, the slag in the scraping hopper is blown onto the slag carrying conveyer belt on the surface of the neutralization electroplating tank by the pushing of the air flow, the waste liquid after filtering the slag is conveyed into the neutralization electroplating tank from the filter screen at the joint of the treatment tank and the neutralization electroplating tank, and the neutralization electroplating liquid is injected for reaction, so that the chip can be rapidly filtered and then subjected to neutralization and neutralization electroplating reaction, and the internal chip can be rapidly cleaned.
2. According to the invention, the neutralization electroplating liquid is injected into the air outlet pipeline through the neutralization electroplating liquid box, then the air pump is started to supply air to the air outlet pipeline, then the air and the liquid are conveyed into the annular pipeline after being mixed in the air outlet pipeline, and are sprayed out through the air outlets uniformly arranged on the surface of the annular pipeline, and are mixed with the waste liquid in the neutralization electroplating box under the driving of impact force, so that the mixing effect is better, and the reaction is more thorough and complete.
3. According to the invention, copper metal subjected to neutralization electroplating falls into the bottom of the neutralization electroplating tank, slides into the metal collecting cavity in the discharging tank along the bottom of the neutralization electroplating tank, is accumulated in the adapting tank, the metal output transmission belt rotates to drive the scraping plate on the surface to rotate, scrapes the metal in the adapting tank, then rises to the top point and falls into the discharging inclined plane in the metal collecting cavity under the action of gravity for output, and the reacted copper can be output without stopping, so that the reaction can be continuously carried out.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a cross-sectional view of the structure of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is a top plan view of the structure of the air supply box of the present invention;
fig. 6 is a schematic structural view of the annular duct of the present invention.
In the figure: 1. an adaptation groove; 2. a treatment box; 3. a filter screen; 4. neutralizing the electroplating tank; 5. a drive shaft; 6. a connecting rod; 7. a scraping hopper; 8. a gas supply tank; 9. an air jet; 10. a receiving groove; 11. a hollow groove; 12. an arcuate contact surface; 13. an output pipe; 14. waste residue receiving conveyer belt; 15. a penetration hole; 16. an annular pipe; 17. an air outlet; 18. an air pump; 19. a neutralization plating solution tank; 20. an air outlet pipe; 21. a discharging box; 22. a partition panel; 23. a waste residue collection chamber; 24. a metal collection chamber; 25. a metal output drive belt; 26. a scraper.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-6, the present invention provides a technical solution: a copper-containing waste liquid metal recovery treatment process comprises the following steps:
step one, slag crushing and filtering: waste liquid is added into the waste liquid through the feeding of the top of the treatment box 2 in the treatment equipment, the waste liquid enters the treatment box 2, scraps are scraped, then the scraps are blown out into the neutralization electroplating box 4, a driving motor is started to drive a driving shaft 5 to rotate, the driving shaft 5 rotates to drive a connecting rod 6 to drive a scraping hopper 7 to slide on an arc-shaped contact surface 12 in the treatment box 2, the scraping hopper 7 moves to scrape the scraps, water flows down from a gap of the scraping hopper 7, the scraping hopper 7 scrapes the scraps to be flush with the ground, an air pipe supplies air to an air supply box 8 at the moment, the air supply box 8 supplies air to an air jet 9, air flow is blown out from the air jet 9 to an empty groove 11 on the surface of the scraping hopper 7, and the scraps in the scraping hopper 7 are blown onto a waste residue carrying conveyor belt 14 on the surface of the neutralization electroplating box 4 by the air flow to be conveyed;
step two, copper metal neutralization electroplating: delivering the waste liquid after filtering the slag into the neutralization plating tank 4 from the filter screen 3 at the joint of the treatment tank 2 and the neutralization plating tank 4, injecting the neutralization plating liquid for reaction, injecting the neutralization plating liquid into the air outlet pipeline 20 through the neutralization plating liquid tank 19 at the moment, then starting the air pump 18 to supply air to the air outlet pipeline 20 at the moment, delivering the air liquid into the annular pipeline 16 after mixing the air outlet pipeline 20, spraying the air liquid through the air outlet 17 uniformly arranged on the surface of the annular pipeline 16, mixing the air liquid with the waste liquid in the neutralization plating tank 4 under the driving of impact force, outputting residual waste liquid after the liquid level in the treatment tank 2 is reduced below the filter screen 3, opening the output pipeline 13, carrying out neutralization plating by pumping the residual waste liquid into the neutralization plating tank 4 under the action of the output pipeline 13, and dripping the waste liquid adsorbed on the surface into the neutralization plating tank 4 from the permeation hole 15 arranged on the surface of the waste residue carrying conveyer 14 when the slag carried in the step one is carried out;
step three, discharging: after neutralization and electroplating, copper metal is subjected to solid-liquid separation, the neutralized and electroplated copper metal falls into the bottom of the neutralization and electroplating tank 4, slides into a metal collecting cavity 24 in the discharging tank 21 along the bottom of the neutralization and electroplating tank 4, is accumulated in the adapting groove 1, a metal output driving belt 25 rotates to drive a scraper 26 on the surface to rotate, scrapes the metal in the adapting groove 1, then rises to the top point and falls into a discharging inclined plane in the metal collecting cavity 24 under the action of gravity to be output, and recycling treatment is performed on the crushed slag, and the crushed slag enters a waste slag collecting cavity 23 for centralized collection through the conveying of the waste slag carrying conveying belt 14.
The scraping of the scraps in the first step specifically comprises the following steps: the driving motor is started to drive the driving shaft 5 to rotate, the driving shaft 5 rotates to drive the connecting rod 6 to rotate to drive the scraping hopper 7 to slide on the arc-shaped contact surface 12 in the treatment box 2, the scraping hopper 7 moves to scrape the broken slag, and water flows down from the gap of the scraping hopper 7.
The blowing out of the slag into the neutralization plating tank 4 in the first step specifically includes the steps of: after scraping hopper 7 scrapes the piece to be flush with the ground, the air pipe supplies air to air supply box 8 at this moment, air supply box 8 supplies air to air jet 9, air current is spouted to the empty slot 11 on the surface of scraping hopper 7 from air jet 9, under the promotion of air current, the broken bits in scraping hopper 7 are blown by it to the waste residue on the surface of neutralization electroplating case 4 and accept conveyer belt 14 and carry.
The reaction of injecting the neutralization plating solution in the second step specifically comprises the following steps: at this time, the neutralization plating solution is injected into the air outlet pipeline 20 through the neutralization plating solution box 19, then the air pump 18 is started to supply air to the air outlet pipeline 20 at this time, then the air and the liquid are conveyed into the annular pipeline 16 after being mixed in the air outlet pipeline 20, and are sprayed out through the air outlets 17 uniformly arranged on the surface of the annular pipeline 16, and are mixed with the waste liquid in the neutralization plating box 4 under the driving of impact force.
The step two of outputting the residual waste liquid specifically comprises the following steps: the output pipeline 13 is opened, the waste liquid adsorbed on the surface is dripped into the neutralization plating tank 4 from the permeation hole 15 formed on the surface of the waste residue carrying conveyer belt 14 when the crushed residue carried over the waste residue carrying conveyer belt 14 in the first step is carried by pumping the waste liquid by the pumping pump and is output into the neutralization plating tank 4 for neutralization plating under the action of the neutralization plating liquid.
In the third step, the solid-liquid separation is carried out after the copper metal is neutralized and electroplated, and the method specifically comprises the following steps: the copper metal after neutralization plating falls into the bottom of the neutralization plating tank 4, slides down the bottom of the neutralization plating tank 4 into the metal collection chamber 24 in the discharge tank 21, and is accumulated in the adaptation tank 1.
Outputting separated copper metal in the third step specifically comprises the following steps: the metal output transmission belt 25 rotates to drive the scraping plate 26 on the surface to rotate, scrapes the metal in the adapting groove 1, and then rises to the top point and falls into the discharging inclined plane in the metal collecting cavity 24 under the action of gravity to be output.
The recycling treatment of the crushed slag in the third step specifically comprises the following steps: at this time, the crushed slag is conveyed by the slag receiving conveyor 14 into the slag collecting cavity 23 for centralized collection.
The treatment equipment comprises a treatment box 2, a feed inlet is formed in the top of the treatment box 2, a driving shaft 5 driven by a driving motor is rotationally connected to the inner cavity of the treatment box 2, a connecting rod 6 is fixedly connected to the surface of the driving shaft 5, a scraping hopper 7 is fixedly connected to one end of the connecting rod 6, an arc-shaped contact surface 12 abutting against the surface of the scraping hopper 7 is formed in the inner cavity of the treatment box 2, the scraping hopper 7 is made of a filter plate, an air supply box 8 is rotationally connected to the surface of the connecting rod 6, a receiving groove 10 is formed in the surface of the scraping hopper 7, an air jet 9 is communicated with one side of the air supply box 8, a hollow groove 11 is formed in one side of the scraping hopper 7 facing the air jet 9, a balancing weight is fixedly connected to the bottom of the air supply box 8, the air jet 9 is always kept in a state parallel to the ground under the action of the balancing weight, the air supply box 8 supplies air through an air pipe built in the driving shaft 5, one side of the treatment box 2 is fixedly connected with a neutralization electroplating box 4, the treatment tank 2 is communicated with the neutralization plating tank 4 through a filter screen 3, an output pipeline 13 extending to the inner cavity of the neutralization plating tank 4 is communicated with the inner cavity of the treatment tank 2, an electromagnetic valve is arranged on the surface of the output pipeline 13, the surface of the neutralization plating tank 4 is fixedly connected with a waste residue carrying conveyer belt 14, a discharge hole positioned above the waste residue carrying conveyer belt 14 is arranged at the top of the treatment tank 2, a penetrating hole 15 is arranged on the surface of the waste residue carrying conveyer belt 14, an air pump 18 and a neutralization plating solution tank 19 are respectively fixedly connected with the surface of the neutralization plating tank 4, an outlet pipeline 20 is communicated with the outlet of the air pump 18, one end of the outlet pipeline 20 penetrates and extends to the inner cavity of the neutralization plating tank 4, an infusion pipeline is communicated with the bottom of the neutralization plating solution tank 19, one end of the infusion pipeline is communicated with the inner cavity of the outlet pipeline 20, a one-way valve is arranged on the surface of the infusion pipeline, the inner chamber fixedly connected with annular duct 16 of neutralization electroplating tank 4, the gas outlet 17 has been seted up on the surface of annular duct 16, the one end and the inner chamber intercommunication of annular duct 16 of gas outlet duct 20, one side fixedly connected with discharging case 21 of neutralization electroplating tank 4, the inner chamber of discharging case 21 cuts off respectively through partition plate 22 has waste residue collection chamber 23 and metal collection chamber 24, waste residue collection chamber 23 is located the opposite side that the conveyer belt 14 was accepted to the waste residue, one side of metal collection chamber 24 communicates with the inner chamber of neutralization electroplating tank 4 through the intercommunication groove, the inner chamber fixedly connected with metal output drive belt 25 of metal collection chamber 24, the fixed surface of metal output drive belt 25 is connected with scraper blade 26, the adaptation groove 1 with the surface adaptation of scraper blade 26 has been seted up to the bottom of metal collection chamber 24 inner chamber, the discharge inclined plane has been seted up to the surface that metal collection chamber 24 is located metal output drive belt 25 below.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (5)
1. A copper-containing waste liquid metal recovery treatment process is characterized in that: the method comprises the following steps:
step one, slag crushing and filtering: waste liquid is added into the treatment box (2) through feeding at the top of the treatment box (2) in the treatment equipment, the waste liquid enters the treatment box (2), scraps are scraped, then the scraps are blown into the neutralization plating box (4), and the scraps in the scraping hopper (7) are blown onto a waste residue carrying conveyer belt (14) on the surface of the neutralization plating box (4) by the scraps for conveying;
step two, copper metal neutralization electroplating: delivering the waste liquid after filtering the slag from the filter screen (3) at the joint of the treatment box (2) and the neutralization electroplating box (4) into the neutralization electroplating box (4), injecting the neutralization electroplating liquid for reaction, outputting the residual waste liquid after the liquid level in the treatment box (2) is lowered below the filter screen (3), and opening an output pipeline (13) to perform neutralization electroplating under the action of the neutralization electroplating liquid;
step three, discharging: carrying out solid-liquid separation on copper metal after neutralization and electroplating, then outputting separated copper metal, and recycling the slag;
the scraping of the scraps in the first step specifically comprises the following steps: starting a driving motor to drive a driving shaft (5) to rotate, driving the driving shaft (5) to rotate to drive a connecting rod (6) to rotate to drive a scraping hopper (7) to slide on an arc-shaped contact surface (12) in a treatment box (2), scraping the broken slag by the movement of the scraping hopper (7), and enabling water to flow down from a gap of the scraping hopper (7);
the blowing-out of the slag into the neutralization plating tank (4) in the first step specifically comprises the following steps: after scraping the scraps to be flush with the ground, the air pipe supplies air to the air supply box (8), the air supply box (8) supplies air to the air jet port (9), air flow is sprayed out of the air jet port (9) to the empty groove (11) on the surface of the scraping hopper (7), and under the pushing of the air flow, the scraps in the scraping hopper (7) are blown to the waste residue carrying conveyor belt (14) for neutralizing the surface of the electroplating box (4) by the scraps to be conveyed;
in the third step, the solid-liquid separation is carried out after the copper metal is neutralized and electroplated, and the method specifically comprises the following steps: the copper metal after neutralization and electroplating falls into the bottom of the neutralization and electroplating box (4), slides into a metal collecting cavity (24) in the discharging box (21) along the bottom of the neutralization and electroplating box (4), and is accumulated in the adapting groove (1).
2. The copper-containing waste liquid metal recovery treatment process according to claim 1, wherein: the reaction of the injected neutralization plating solution in the second step specifically comprises the following steps: the neutralization electroplating solution is injected into the air outlet pipeline (20) through the neutralization electroplating solution box (19), then the air pump (18) starts to supply air to the air outlet pipeline (20) at the moment, then the air and the liquid are conveyed into the annular pipeline (16) after being mixed in the air outlet pipeline (20), and are sprayed out through the air outlets (17) uniformly formed in the surface of the annular pipeline (16) to be mixed with the waste liquid in the neutralization electroplating box (4) under the driving of impact force.
3. The copper-containing waste liquid metal recovery treatment process according to claim 2, wherein: the step two of outputting the residual waste liquid specifically comprises the following steps: opening an output pipeline (13), outputting the waste liquid to a neutralization electroplating tank (4) for neutralization electroplating under the action of the output pipeline (13) by pumping the waste liquid through a pumping pump, and dripping waste liquid adsorbed on the surface from a penetrating hole (15) formed in the surface of the waste residue carrying conveyer belt (14) into the neutralization electroplating tank (4) when the waste residue carried to the upper part of the waste residue carrying conveyer belt (14) in the step one is carried, so that the neutralization electroplating is carried out under the action of a neutralization electroplating liquid.
4. The copper-containing waste liquid metal recovery treatment process according to claim 1, wherein: the outputting of the separated copper metal in the third step specifically comprises the following steps: the metal output transmission belt (25) rotates to drive the scraping plate (26) on the surface to rotate, the metal in the adapting groove (1) is scraped up, and then the metal rises to the top point and falls into the discharging inclined plane in the metal collecting cavity (24) under the action of gravity to be output.
5. The copper-containing waste liquid metal recovery treatment process according to claim 4, wherein: the recycling treatment of the slag in the third step specifically comprises the following steps: the crushed slag is conveyed by the slag receiving conveying belt (14) and enters the slag collecting cavity (23) for centralized collection.
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