CN212144501U - Equipment for preparing nano-grade copper powder by using etching waste liquid and waste aluminum sheets - Google Patents
Equipment for preparing nano-grade copper powder by using etching waste liquid and waste aluminum sheets Download PDFInfo
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- CN212144501U CN212144501U CN201922488005.4U CN201922488005U CN212144501U CN 212144501 U CN212144501 U CN 212144501U CN 201922488005 U CN201922488005 U CN 201922488005U CN 212144501 U CN212144501 U CN 212144501U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides an utilize etching waste liquid and useless aluminium piece preparation nanometer copper powder's equipment, including following step: step one, storing acidic etching waste liquid in a reaction tank; adding waste aluminum sheets into the reaction kettle, wherein the addition amount of the waste aluminum sheets is ensured to completely replace copper ions in the solution in principle, and the addition amount is not enough to completely react hydrogen ions in the solution; starting stirring; and (3) carrying out a displacement reaction on copper ions and aluminum to obtain an aluminum sheet, nanoscale copper powder and aluminum chloride solution which are not reacted, carrying out vacuum filtration, filtering by using a porous ceramic filter plate to obtain high-purity nanoscale copper powder, and discharging the filtrate out of the reaction tank through a vacuum liquid pumping port. The utility model discloses draw out the copper in the etching waste liquid with the mode of high-purity nanometer copper powder, have very high economic value, replace copper out with the etching waste liquid reaction, changing waste into valuables, economic benefits is showing, the trade of being convenient for promotes.
Description
Technical Field
The utility model relates to a waste liquid treatment technical field, concretely relates to utilize etching waste liquid and useless aluminium piece to prepare equipment of nanometer copper powder.
Background
In an etching process for manufacturing a Printed Circuit Board (PCB), a large amount of alkaline etching solution or acidic etching solution is required to treat the PCB, and thus a large amount of alkaline etching waste solution or acidic etching waste solution containing copper, ammonia, arsenic, and the like is generated in the etching process. At present, some manufacturers adopt an acid etching process, and some manufacturers adopt an alkaline etching process, wherein the acid etching is suitable for manufacturing an inner layer, a fast plate and a common single-double panel, and the etching speed is relatively low; the alkaline etching is suitable for manufacturing high-precision plates and has high etching speed. Without the treatment of these acidic or alkaline etching waste solutions, there is a risk of environmental pollution and waste of useful materials such as copper in the etching waste solution.
Therefore, there is a need to develop an apparatus for preparing nano-scale copper powder from etching waste liquid and waste aluminum flakes, by which the etching waste liquid can be treated in large quantities and the copper can be recycled.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utilize etching waste liquid and useless aluminium piece preparation nanometer copper powder's equipment, draw out the copper in the etching waste liquid with high-purity nanometer copper powder's mode, have very high economic value.
The technical scheme of the utility model is realized like this:
the utility model provides an utilize etching waste liquid and useless aluminium piece preparation nanometer copper powder's equipment, include:
the vacuum liquid pumping port is connected with a vacuum pump and is used for forming negative pressure in the reaction tank after the reaction is finished so as to promote the copper-containing waste liquid to be filtered by the porous ceramic filter plate;
the copper discharging port is positioned at the bottom of the reaction tank and used for discharging the generated nano-scale copper powder;
the porous ceramic filter plate is positioned at the upper end of the bottom of the reaction tank and is used for filtering the nano-copper powder and the unreacted waste aluminum sheets;
the ceramic stirring paddle is used for continuously stirring liquid in the equipment to accelerate the reaction;
one end of the aeration pipe is positioned in the middle of the reaction tank, and the other end of the aeration pipe is directly connected with air and used for outputting the hydrogen generated by the reaction out of the reaction tank in time;
the aluminum sheet placing vibration frame is arranged at the upper end of the reaction tank, is provided with a plurality of aluminum sheets, is directly connected with the vibration motor and is used for placing waste aluminum sheets;
the vibration motor is used for vibrating and dropping the waste aluminum sheets into the reaction tank to react with the acidic etching waste liquid after being started;
and the reaction tank is used for performing a displacement reaction on the acidic etching waste liquid and the aluminum sheet.
As a further improvement of the utility model, the aluminum sheet is placed the vibration frame and is equipped with more than 2.
As a further improvement of the utility model, the aluminum sheet is placed the vibration frame and is equipped with 4, and evenly distributed is on retort upper portion.
As a further improvement of the utility model, the diameter of the gap of the porous ceramic filter plate is 5-10 nm.
As a further improvement of the utility model, the power of the vibration motor is 800-1000W.
As a further improvement of the utility model, the reaction tank is cylindrical.
The utility model discloses following beneficial effect has:
firstly, the copper in the etching waste liquid is extracted in a high-purity nanoscale copper powder mode, and the copper-based etching waste liquid extracting device has high economic value.
Two, the utility model discloses make full use of waste aluminum sheet, with etching waste liquid reaction come out the copper replacement, changing waste into valuables, economic benefits is showing, the trade of being convenient for promotes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 shows the apparatus for preparing copper powder of nanometer level from waste etching solution and waste aluminum flakes;
wherein, 1, a vacuum liquid pumping port; 2. copper discharging ports; 3. a porous ceramic filter plate; 4. a ceramic stirring paddle; 5. an aeration pipe; 6. placing an aluminum sheet on a vibration frame; 7. a vibration motor; 8. and (4) a reaction tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to the attached figure 1, the equipment for preparing the nano-scale copper powder by using the etching waste liquid and the waste aluminum sheets comprises:
the vacuum liquid pumping port 1 is connected with a vacuum pump and used for forming negative pressure in the reaction tank 8 after the reaction is finished and promoting the copper-containing waste liquid to be filtered by the porous ceramic filter plate 3;
the copper discharging port 2 is positioned at the bottom of the reaction tank 8 and used for discharging the generated nano-scale copper powder;
the porous ceramic filter plate 3 is positioned at the upper end of the bottom of the reaction tank 8 and is used for filtering the nano-copper powder and the unreacted waste aluminum sheets; the diameter of the gap of the porous ceramic filter plate 3 is 5 nm.
The ceramic stirring paddle 4 is used for continuously stirring liquid in the equipment to accelerate the reaction;
one end of the aeration pipe 5 is positioned in the middle of the reaction tank 8, and the other end is directly connected with air and used for outputting the hydrogen generated by the reaction out of the reaction tank in time;
the aluminum sheet placing vibration frame 6 is positioned at the upper end of the reaction tank, is directly connected with the vibration motor 7 and is used for placing waste aluminum sheets; the aluminum sheet is placed the vibration frame 6 and is equipped with 2.
The vibration motor 7 is used for vibrating and dropping the waste aluminum sheets into the reaction tank 8 after being started to react with the acidic etching waste liquid; the power of the vibration motor 7 is 800W;
and the reaction tank 8 is used for performing a displacement reaction on the acidic etching waste liquid and the aluminum sheet.
Example 2
Referring to the attached figure 1, the equipment for preparing the nano-scale copper powder by using the etching waste liquid and the waste aluminum sheets comprises:
the vacuum liquid pumping port 1 is connected with a vacuum pump and used for forming negative pressure in the reaction tank 8 after the reaction is finished and promoting the copper-containing waste liquid to be filtered by the porous ceramic filter plate 3;
the copper discharging port 2 is positioned at the bottom of the reaction tank 8 and used for discharging the generated nano-scale copper powder;
the porous ceramic filter plate 3 is positioned at the upper end of the bottom of the reaction tank 8 and is used for filtering the nano-copper powder and the unreacted waste aluminum sheets; the diameter of the gap of the porous ceramic filter plate 3 is 10 nm.
The ceramic stirring paddle 4 is used for continuously stirring liquid in the equipment to accelerate the reaction;
one end of the aeration pipe 5 is positioned in the middle of the reaction tank 8, and the other end is directly connected with air and used for outputting the hydrogen generated by the reaction out of the reaction tank in time;
the aluminum sheet placing vibration frame 6 is positioned at the upper end of the reaction tank, is directly connected with the vibration motor 7 and is used for placing waste aluminum sheets; the aluminum sheet is placed the vibration frame 6 and is equipped with 4, evenly distributed is in retort upper portion.
The vibration motor 7 is used for vibrating and dropping the waste aluminum sheets into the reaction tank 8 after being started to react with the acidic etching waste liquid; the power of the vibration motor 7 is 1000W;
and the reaction tank 8 is used for performing a displacement reaction on the acidic etching waste liquid and the aluminum sheet.
Example 3
A method for preparing nano-grade copper powder by using etching waste liquid and waste aluminum chips comprises the following steps:
step one, storing acidic etching waste liquid in a reaction tank, wherein the content of copper ions in the acidic etching waste liquid is 20g/L, and the concentration of free hydrogen ions is 0.5 mol/L;
adding waste aluminum sheets into the reaction kettle, wherein the addition amount of the waste aluminum sheets is 1.1 times of the molar content of copper ions, and the addition amount of the waste aluminum sheets is ensured to be capable of completely replacing the copper ions in the solution in principle and is not enough to completely react the hydrogen ions in the solution; starting stirring, wherein the stirring speed is 200 r/min; after the copper ions and the aluminum are subjected to a displacement reaction, a solution containing unreacted aluminum sheets, nano-scale copper powder and aluminum chloride is obtained, vacuum filtration is carried out, the vacuum degree is 0.01MPa, high-purity nano-scale copper powder is obtained after the copper powder is filtered by a porous ceramic filter plate, the particle size of the copper powder is 20-200nm, the yield is 82%, and the filtrate is discharged out of a reaction tank through a vacuum liquid pumping port.
Therefore, the utility model discloses even the copper is mostly produced with the high-purity copper powder form of high added value.
Compared with the prior art, the utility model discloses draw out the copper in the etching waste liquid with the mode of high-purity nanometer copper powder, have very high economic value. The utility model discloses make full use of waste aluminum sheet, react with etching waste liquid and come out the copper replacement, changing waste into valuables, economic benefits is showing, the trade of being convenient for promotes.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An apparatus for preparing nano-scale copper powder by using etching waste liquid and waste aluminum flakes is characterized by comprising:
the vacuum liquid pumping port is connected with a vacuum pump and is used for forming negative pressure in the reaction tank after the reaction is finished so as to promote the copper-containing waste liquid to be filtered by the porous ceramic filter plate;
the copper discharging port is positioned at the bottom of the reaction tank and used for discharging the generated nano-scale copper powder;
the porous ceramic filter plate is positioned at the upper end of the bottom of the reaction tank and is used for filtering the nano-copper powder and the unreacted waste aluminum sheets;
the ceramic stirring paddle is used for continuously stirring liquid in the equipment to accelerate the reaction;
one end of the aeration pipe is positioned in the middle of the reaction tank, and the other end of the aeration pipe is directly connected with air and used for outputting the hydrogen generated by the reaction out of the reaction tank in time;
the aluminum sheet placing vibration frame is arranged at the upper end of the reaction tank, is provided with a plurality of aluminum sheets, is directly connected with the vibration motor and is used for placing waste aluminum sheets;
the vibration motor is used for vibrating and dropping the waste aluminum sheets into the reaction tank to react with the acidic etching waste liquid after being started;
and the reaction tank is used for performing a displacement reaction on the acidic etching waste liquid and the aluminum sheet.
2. The apparatus for preparing nano-scale copper powder by using etching waste liquid and waste aluminum flakes according to claim 1, wherein the number of the aluminum flake placing vibration frames is more than 2.
3. The apparatus for preparing nano-scale copper powder by using etching waste liquid and waste aluminum flakes according to claim 2, wherein 4 aluminum flake placing vibration frames are uniformly distributed on the upper part of the reaction tank.
4. The apparatus for preparing nano-scale copper powder using etching waste liquid and waste aluminum flakes according to claim 1, wherein the porous ceramic filter plate has a void diameter of 5 to 10 nm.
5. The apparatus for preparing nanometer copper powder by using waste etching solution and waste aluminum flakes as claimed in claim 1, wherein the power of the vibration motor is 800-1000W.
6. The apparatus for preparing nano-scale copper powder by using the etching waste liquid and the waste aluminum flakes according to claim 1, wherein the reaction tank is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488005.4U CN212144501U (en) | 2019-12-31 | 2019-12-31 | Equipment for preparing nano-grade copper powder by using etching waste liquid and waste aluminum sheets |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922488005.4U CN212144501U (en) | 2019-12-31 | 2019-12-31 | Equipment for preparing nano-grade copper powder by using etching waste liquid and waste aluminum sheets |
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| CN212144501U true CN212144501U (en) | 2020-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001823A (en) * | 2019-12-31 | 2020-04-14 | 江西粤鹏环保高新技术开发有限公司 | Method and equipment for preparing nano-grade copper powder by using etching waste liquid and waste aluminum sheets |
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2019
- 2019-12-31 CN CN201922488005.4U patent/CN212144501U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111001823A (en) * | 2019-12-31 | 2020-04-14 | 江西粤鹏环保高新技术开发有限公司 | Method and equipment for preparing nano-grade copper powder by using etching waste liquid and waste aluminum sheets |
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