CN219907912U - Efficient cleaning copper dissolving system - Google Patents
Efficient cleaning copper dissolving system Download PDFInfo
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- CN219907912U CN219907912U CN202321233158.4U CN202321233158U CN219907912U CN 219907912 U CN219907912 U CN 219907912U CN 202321233158 U CN202321233158 U CN 202321233158U CN 219907912 U CN219907912 U CN 219907912U
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- China
- Prior art keywords
- sulfuric acid
- tank
- acid solution
- copper
- gas
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 239000010949 copper Substances 0.000 title claims abstract description 83
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 83
- 238000004140 cleaning Methods 0.000 title claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 201
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims abstract description 124
- 239000007789 gas Substances 0.000 claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007791 liquid phase Substances 0.000 claims abstract description 17
- 239000012071 phase Substances 0.000 claims abstract description 14
- 238000004090 dissolution Methods 0.000 claims abstract description 9
- 239000000243 solution Substances 0.000 claims description 93
- 238000010521 absorption reaction Methods 0.000 claims description 59
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 claims description 48
- 238000003795 desorption Methods 0.000 claims description 17
- 239000007800 oxidant agent Substances 0.000 claims description 17
- 238000010790 dilution Methods 0.000 claims description 15
- 239000012895 dilution Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical group O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 4
- 239000001509 sodium citrate Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000004064 recycling Methods 0.000 abstract description 7
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 239000013589 supplement Substances 0.000 abstract 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 9
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 9
- 238000007747 plating Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- 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
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a high-efficiency clean copper dissolving system, which comprises a copper dissolving tank, a sulfuric acid solution tank, an atomizer, a gas-water separator and a sulfur dioxide tail gas treatment mechanism, wherein sulfuric acid solution is input into the copper dissolving tank through the atomizer, a tail gas outlet is connected with the gas-water separator, and a liquid phase outlet of the gas-water separator is connected with the sulfuric acid solution tank to recover unreacted sulfuric acid solution; the gas phase outlet of the gas-water separator is connected with a sulfur dioxide tail gas treatment mechanism, and the sulfur dioxide gas is converted into sulfuric acid solution after being oxidized and absorbed by water to supplement the sulfuric acid solution. The copper dissolving system is provided with the atomizer, so that the reaction in the copper dissolving tank is more sufficient, and the gas-water separator is utilized to carry out gas-water separation on the tail gas of the copper dissolving tank, so that the sulfuric acid solution carried out by the tail gas is recovered; and the tail gas recovery device is designed in the copper dissolution system to recover sulfur dioxide, and the recovered sulfur dioxide is converted into sulfuric acid for recycling, so that the emission of harmful gases is avoided, the pollution to the environment is reduced, and the reagent cost is also reduced.
Description
Technical Field
The utility model relates to the technical field of conductive film production, in particular to a high-efficiency clean copper dissolving system.
Background
In the production process of the composite copper film, an acid plating process is required, and a copper sulfate solution is required to be used as a plating solution in the acid plating process. In the existing common process, the copper sulfate solid is used for preparing the liquid, but the cost for using the copper sulfate solid is higher. In order to find a way to prepare a plating solution at low cost, a way to prepare a copper sulfate solution using a copper sulfate dissolved material has appeared, specifically, a copper material is put into a copper dissolving tank, and then a sulfuric acid solution is added thereto to dissolve copper to obtain a copper sulfate solution, which is used as a plating solution.
However, the existing copper dissolving tank has the following problems: the reaction efficiency is lower, side reactions exist, and the sulfuric acid solution is easily carried out by tail gas, so that the consumption of the sulfuric acid solution is far greater than the theoretically required reaction amount, namely, the consumed sulfuric acid solution is not fully used for dissolving copper materials, and therefore, the reagent cost is increased.
In addition, the tail gas discharged from the copper dissolving tank contains sulfur dioxide gas, so that the tail gas cannot be directly discharged, and the tail gas treatment is required. Therefore, it is necessary to develop a copper dissolving system which has high copper dissolving reaction efficiency and high sulfuric acid solution utilization rate and can avoid emission of harmful tail gas.
Disclosure of Invention
In order to solve the problems that the existing copper dissolving tank is low in dissolution reaction efficiency and low in sulfuric acid solution utilization rate caused by the fact that sulfuric acid solution is discharged along with tail gas, the utility model provides the efficient clean copper dissolving system, which can improve the copper dissolving efficiency in the copper dissolving tank, absorb sulfur dioxide tail gas generated by dissolution, and convert the absorbed sulfur dioxide into sulfuric acid solution for recycling, so that the copper dissolving efficiency is improved, the emission of harmful gas is reduced, and meanwhile, the cost of a copper dissolving reagent solution is reduced.
The technical scheme of the utility model is as follows:
the efficient clean copper dissolving system comprises a copper dissolving tank, a sulfuric acid solution tank, an atomizer, a gas-water separator and a sulfur dioxide tail gas treatment mechanism, wherein copper materials are contained in the copper dissolving tank, the copper dissolving tank is provided with a sulfuric acid solution input port and a tail gas discharge port, the sulfuric acid solution tank is connected with the sulfuric acid solution input port through the atomizer, the tail gas discharge port is connected with the gas-water separator, and a liquid phase outlet of the gas-water separator is connected with the sulfuric acid solution tank;
the gas phase outlet of the gas-water separator is connected with the sulfur dioxide tail gas treatment mechanism, the sulfur dioxide tail gas treatment mechanism is used for converting sulfur dioxide gas into sulfuric acid solution after oxidization and water absorption, and the sulfuric acid output port of the sulfur dioxide tail gas treatment mechanism is connected with the sulfuric acid solution tank.
According to the utility model of the scheme, the sulfur dioxide tail gas treatment mechanism comprises an absorption tower, a desorption tower, a sulfur dioxide oxidizer and a sulfur trioxide absorption tank, wherein a gas phase outlet of the gas-water separator is connected with the absorption tower, a liquid phase outlet of the absorption tower is connected with the desorption tower, a gas phase outlet of the absorption tower is used for discharging sulfur-free tail gas, a liquid phase outlet of the desorption tower is connected with the absorption tower, a gas phase outlet of the desorption tower is connected with the sulfur dioxide oxidizer, the sulfur dioxide oxidizer is connected with the sulfur trioxide absorption tank, and the sulfur trioxide absorption tank is connected with the sulfuric acid solution tank.
Further, the sulfur dioxide oxidizer is connected with an ozone generator, and the ozone generator is used for introducing ozone into the sulfur dioxide oxidizer.
Further, the sulfur trioxide absorption tank is filled with water, and an oxygen discharge port of the sulfur trioxide absorption tank is connected with the copper dissolving tank.
Further, the absorption liquid in the absorption tank is sodium citrate solution.
Further, the absorption liquid in the absorption tank is an organic amine solution.
Further, the absorption liquid in the absorption tank is alkaline aluminum sulfate solution.
According to the scheme, a plurality of packing layers for storing copper materials are arranged in the copper dissolving tank.
Further, the sulfuric acid solution input port comprises a plurality of input sub-ports, and the input sub-ports are arranged between two adjacent filler layers.
According to the utility model of the scheme, the sulfuric acid solution tank comprises a concentrated sulfuric acid tank and a sulfuric acid dilution tank, wherein the concentrated sulfuric acid tank is connected with the sulfuric acid dilution tank, and the atomizer, a liquid phase outlet of the gas-water separator and a sulfuric acid outlet of the sulfur dioxide tail gas treatment mechanism are connected with the sulfuric acid dilution tank.
The utility model according to the scheme has the beneficial effects that:
according to the utility model, by utilizing the atomizer, the sulfuric acid solution is added into the copper dissolving tank, and meanwhile, air is introduced, so that the water-mist sulfuric acid solution fully reacts with copper materials, and the copper dissolving efficiency in the copper dissolving tank is improved; and the carried sulfuric acid solution is separated from the tail gas by utilizing a gas-water separator, and the sulfuric acid solution in the part is recycled; the tail gas containing sulfur dioxide is treated by the sulfur dioxide tail gas treatment mechanism, and then the tail gas without sulfur dioxide is discharged, and is converted into sulfuric acid solution after being oxidized and absorbed by water by the sulfur dioxide tail gas treatment mechanism, so that reagent solution can be replenished again, the consumption of the sulfuric acid solution is greatly reduced, and the reagent cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a preferred embodiment of the present utility model.
In the figure, 1, an atomizer; 2. a copper dissolving tank; 21. a filler layer; 3. a sulfuric acid dilution tank; 4. a concentrated sulfuric acid tank; 5. a gas-water separator; 6. an absorption tower; 7. a desorption tower; 8. a sulfur dioxide oxidizer; 81. an ozone generator; 9. sulfur trioxide absorption tanks.
Detailed Description
For a better understanding of the objects, technical solutions and technical effects of the present utility model, the present utility model will be further explained below with reference to the drawings and examples. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, it is stated that the embodiments described below are only for explaining the present utility model and are not intended to limit the present utility model.
As shown in fig. 1, the efficient cleaning copper dissolving system comprises a copper dissolving tank 2 and a sulfuric acid solution tank, wherein copper materials are contained in the copper dissolving tank 2, a sulfuric acid solution input port and a tail gas exhaust port are arranged in the copper dissolving tank, the efficient cleaning copper dissolving system further comprises an atomizer 1, the sulfuric acid solution tank is connected with the sulfuric acid solution input port of the copper dissolving tank 2 through the atomizer 1, the atomizer 1 is used for introducing air while adding sulfuric acid solution, and atomizing the sulfuric acid solution into sulfuric acid water mist, so that sulfuric acid in the copper dissolving tank 2 reacts with the copper materials more fully, and the copper dissolving efficiency in the copper dissolving tank 2 is improved.
The high-efficiency clean copper dissolving system also comprises a gas-water separator 5 and a sulfur dioxide tail gas treatment mechanism, wherein a tail gas outlet of the copper dissolving tank 2 is connected with the gas-water separator 5, and a liquid phase outlet of the gas-water separator 5 is connected with a sulfuric acid solution tank; the gas phase outlet of the gas-water separator 5 is connected with a sulfur dioxide tail gas treatment mechanism.
After the sulfuric acid solution in the copper dissolving tank 2 reacts with copper materials, copper sulfate solution and sulfur dioxide are generated, namely tail gas containing sulfur dioxide is generated. The copper sulfate solution is used as plating solution required by an acid plating process after being collected, and the gas discharged from the tail gas outlet not only contains sulfur dioxide, but also carries part of unreacted sulfuric acid solution in a water mist state, so that the tail gas is firstly introduced into the gas-water separator 5 and separated into liquid sulfuric acid solution and gaseous sulfur dioxide gas. The sulfuric acid solution is conveyed to a sulfuric acid solution tank for recycling through a liquid phase outlet of the gas-water separator 5, sulfur dioxide gas is oxidized into sulfur trioxide gas by utilizing a sulfur dioxide tail gas treatment mechanism, then water is utilized to absorb the sulfur trioxide and convert the sulfur trioxide into the sulfuric acid solution, and finally the sulfuric acid solution is conveyed to the sulfuric acid solution tank for recycling.
Therefore, the utility model realizes that the sulfuric acid solution is added into the copper dissolving tank 2 and air is introduced simultaneously by utilizing the atomizer 1, the water mist sulfuric acid solution fully reacts with copper materials, and the copper dissolving efficiency in the copper dissolving tank 2 is improved; and the carried sulfuric acid solution is separated from the tail gas by a gas-water separator 5, and the sulfuric acid solution in the part is recycled; the tail gas containing sulfur dioxide is treated by the sulfur dioxide tail gas treatment mechanism, then the tail gas without sulfur dioxide is discharged, and is converted into sulfuric acid solution after being oxidized and absorbed by water by the sulfur dioxide tail gas treatment mechanism, so that reagent solution can be replenished again, and the consumption of the sulfuric acid solution is greatly reduced.
As shown in fig. 2, in the present utility model, the sulfur dioxide tail gas treatment mechanism comprises an absorption tower 6, a desorption tower 7, a sulfur dioxide oxidizer 8 and a sulfur trioxide absorption tank 9, wherein a gas phase outlet of the gas-water separator 5 is connected with the absorption tower 6, a liquid phase outlet of the absorption tower 6 is connected with the desorption tower 7, a gas phase outlet of the absorption tower 6 is used for discharging sulfur-free tail gas, a liquid phase outlet of the desorption tower 7 is connected with the absorption tower 6, a gas phase outlet of the desorption tower 7 is connected with the sulfur dioxide oxidizer 8, the sulfur dioxide oxidizer 8 is connected with the sulfur trioxide absorption tank 9, and the sulfur trioxide absorption tank 9 is connected with a sulfuric acid solution tank.
The absorption tower 6 separates the gas mixture by utilizing the different solubilities of the components in the gas mixture in the absorption liquid, the absorption liquid in the tower can be sodium citrate solution, sulfur dioxide is dissolved in the sodium citrate solution, and harmless gas after sulfur dioxide is removed can be safely discharged out of the absorption tower 6; the rich liquid dissolved with sulfur dioxide enters a desorption tower 7 through a liquid phase outlet of the absorption tower 6, sulfur dioxide gas is released in the desorption tower 7, and the rich liquid is conveyed to a sulfur dioxide oxidizer 8 through a gas phase outlet for subsequent reaction; and the lean solution containing a small amount of sulfur dioxide is returned to the absorption tower 6 through the liquid phase outlet for redissolution.
The sulfur dioxide oxidizer 8 is connected with an ozone generator 81, the ozone generator 81 is used for introducing ozone into the sulfur dioxide oxidizer 8, sulfur dioxide gas and ozone are subjected to oxidation reaction to generate sulfur trioxide and oxygen, and mixed gas of the sulfur trioxide and the oxygen enters the sulfur trioxide absorption tank 9. The sulfur trioxide absorption tank 9 is filled with water, and the sulfuric acid solution is obtained by absorbing sulfur trioxide with water and can be supplemented to the sulfuric acid solution tank for recycling. The oxygen discharge port of the sulfur trioxide absorption tank 9 is connected with the copper dissolving tank 2, and oxygen is sent to the copper dissolving tank 2 for recycling.
In other alternative embodiments, the adsorption and desorption modes of the absorption tower 6 and the desorption tower 7 can be organic amine desulfurization, and the absorption liquid in the absorption tower 6 at this time is an organic amine solution; the alkaline aluminum sulfate ion liquid can be used for desulfurization, and the absorption liquid in the absorption tower 6 at the moment is alkaline aluminum sulfate solution.
In the utility model, the sulfuric acid solution tank comprises a concentrated sulfuric acid tank 4 and a sulfuric acid dilution tank 3, the concentrated sulfuric acid tank 4 is connected with the sulfuric acid dilution tank 3, the concentrated sulfuric acid tank 4 is used for containing high-concentration pure sulfuric acid solution, the sulfuric acid dilution tank 3 is used for diluting the sulfuric acid solution, the liquid phase outlets of the atomizer 1 and the gas-water separator 5, and the sulfuric acid outlet of the sulfur dioxide tail gas treatment mechanism are connected with the sulfuric acid dilution tank 3, specifically, the sulfuric acid solution obtained by the sulfur trioxide absorption tank 9 is conveyed to the sulfuric acid dilution tank 3, the sulfuric acid solution output by the liquid phase outlet of the gas-water separator 5 is conveyed to the sulfuric acid dilution tank 3, and the sulfuric acid solution of the separator is derived from the sulfuric acid dilution tank 3. By adopting this technical scheme, the supply and recovery of the sulfuric acid solution are performed through the sulfuric acid dilution tank 3, without affecting the quality of the concentrated sulfuric acid raw material.
In a preferred embodiment, a plurality of packing layers 21 for storing copper materials are arranged in the copper dissolving tank 2, and the copper materials are separately packed into different packing layers 21 for dissolution; the sulfuric acid solution input port comprises a plurality of input sub-ports, and the input sub-ports are arranged between two adjacent filler layers 21, so that sulfuric acid solution and air are introduced between the filler layers 21, oxygen in the copper material reaction environment is sufficient, and the reaction efficiency is further improved. Therefore, the method can be used for preparing plating solution (copper sulfate solution) and recycling waste copper films, and particularly, the waste copper films are waste plastic films with copper layers plated on the surfaces, copper-containing waste is formed after crushing, the waste copper films can be used as copper materials in the scheme, copper elements are removed after dissolution, and the residual plastic raw materials are recycled.
It should be noted that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in use of the product of the application, or the orientation or positional relationship conventionally understood by those skilled in the art is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the device or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The efficient clean copper dissolving system comprises a copper dissolving tank and a sulfuric acid solution tank, wherein copper materials are contained in the copper dissolving tank, and a sulfuric acid solution input port and a tail gas exhaust port are arranged in the copper dissolving tank,
the sulfuric acid solution tank is connected with the sulfuric acid solution input port through the atomizer, the tail gas exhaust port is connected with the gas-water separator, and the liquid phase outlet of the gas-water separator is connected with the sulfuric acid solution tank;
the gas phase outlet of the gas-water separator is connected with the sulfur dioxide tail gas treatment mechanism, the sulfur dioxide tail gas treatment mechanism is used for converting sulfur dioxide gas into sulfuric acid solution after oxidization and water absorption, and the sulfuric acid output port of the sulfur dioxide tail gas treatment mechanism is connected with the sulfuric acid solution tank.
2. The efficient clean copper dissolving system as defined in claim 1, wherein the sulfur dioxide tail gas treatment mechanism comprises an absorption tower, a desorption tower, a sulfur dioxide oxidizer and a sulfur trioxide absorption tank, a gas phase outlet of the gas-water separator is connected with the absorption tower, a liquid phase outlet of the absorption tower is connected with the desorption tower, a gas phase outlet of the absorption tower is used for discharging sulfur-free tail gas, a liquid phase outlet of the desorption tower is connected with the absorption tower, a gas phase outlet of the desorption tower is connected with the sulfur dioxide oxidizer, the sulfur dioxide oxidizer is connected with the sulfur trioxide absorption tank, and the sulfur trioxide absorption tank is connected with the sulfuric acid solution tank.
3. The efficient cleaning copper-dissolving system as defined in claim 2, wherein the sulfur dioxide oxidizer is connected to an ozone generator, the ozone generator being configured to introduce ozone into the sulfur dioxide oxidizer.
4. The efficient cleaning copper dissolution system as defined in claim 2, wherein the sulfur trioxide absorption tank is filled with water, and an oxygen discharge port of the sulfur trioxide absorption tank is connected to the copper dissolution tank.
5. The efficient cleaning copper-dissolving system as defined in claim 2, wherein the absorption liquid in the absorption tank is sodium citrate solution.
6. The efficient cleaning copper dissolution system as recited in claim 2, wherein the absorption liquid in the absorption tank is an organic amine solution.
7. The efficient cleaning copper dissolution system as claimed in claim 2, wherein the absorption liquid in the absorption tank is an alkaline aluminum sulfate solution.
8. The efficient cleaning copper dissolving system as in claim 1, wherein a plurality of filler layers for storing copper are arranged in the copper dissolving tank.
9. The efficient cleaning copper-dissolving system of claim 8, wherein the sulfuric acid solution inlet comprises a plurality of inlet branches, and the inlet branches are disposed between two adjacent filler layers.
10. The efficient cleaning copper-dissolving system as defined in claim 1, wherein the sulfuric acid solution tank comprises a concentrated sulfuric acid tank and a sulfuric acid dilution tank, the concentrated sulfuric acid tank is connected with the sulfuric acid dilution tank, the atomizer, the liquid phase outlet of the gas-water separator, and the sulfuric acid outlet of the sulfur dioxide tail gas treatment mechanism are connected with the sulfuric acid dilution tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321233158.4U CN219907912U (en) | 2023-05-19 | 2023-05-19 | Efficient cleaning copper dissolving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321233158.4U CN219907912U (en) | 2023-05-19 | 2023-05-19 | Efficient cleaning copper dissolving system |
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| Publication Number | Publication Date |
|---|---|
| CN219907912U true CN219907912U (en) | 2023-10-27 |
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|---|---|---|---|
| CN202321233158.4U Active CN219907912U (en) | 2023-05-19 | 2023-05-19 | Efficient cleaning copper dissolving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219907912U (en) |
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- 2023-05-19 CN CN202321233158.4U patent/CN219907912U/en active Active
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