CN220952148U - Ferric iron copper dissolving circulation device - Google Patents

Ferric iron copper dissolving circulation device Download PDF

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Publication number
CN220952148U
CN220952148U CN202322200310.5U CN202322200310U CN220952148U CN 220952148 U CN220952148 U CN 220952148U CN 202322200310 U CN202322200310 U CN 202322200310U CN 220952148 U CN220952148 U CN 220952148U
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anode
tank
copper
cathode
tank body
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CN202322200310.5U
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罗冬华
许昌浩
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Guangde Dongwei Technology Co ltd
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Guangde Dongwei Technology Co ltd
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Abstract

The utility model relates to the technical field of electroplating, and discloses a ferric iron copper dissolution circulating device which comprises a copper tank, a copper dissolution tank, a bleeder pipe and a circulating pump. The copper tank comprises a first tank body and a second tank body, the first tank body is suitable for containing liquid medicine, an anode piece, a cathode piece, an anode spray pipe and a cathode spray pipe are arranged in the first tank body, the anode piece and the cathode piece are arranged oppositely, and the cathode spray pipe is suitable for spraying the liquid medicine to the cathode piece; the copper dissolving tank is suitable for containing liquid medicine and is arranged in the second tank body; one end of the bleeder tube is connected with the first tank body, and the other end of the bleeder tube is connected with the copper dissolving tank and is suitable for conveying the liquid medicine in the first tank body into the copper dissolving tank; one end of the circulating pump is connected with the copper dissolving tank, the other end of the circulating pump is connected with the anode spray pipe, and the circulating pump is suitable for spraying the liquid medicine in the copper dissolving tank to the anode part through the anode spray pipe. The ferric iron copper dissolving circulation device disclosed by the utility model is small in overall occupied space, and the pipeline inside the device is simple in structure, so that the arrangement and the installation of the ferric iron copper dissolving circulation device are facilitated.

Description

Ferric iron copper dissolving circulation device
Technical Field
The utility model relates to the technical field of electroplating, in particular to a ferric iron copper dissolving circulating device.
Background
In order to solve the defects of the traditional vertical continuous electroplating, the ferric iron copper dissolving technology is generated. The existing ferric iron copper dissolution circulating device comprises a plurality of pumps, so that the pipeline connection structure of the ferric iron copper dissolution circulating device is complex, the occupied space is large, and the electric energy consumption of the pumps is large and the cost is high.
Disclosure of utility model
In view of the above, the utility model provides a ferric iron copper dissolution circulating device, which aims to solve the problems of complex structure and large occupied space of the existing ferric iron copper dissolution circulating device.
The utility model provides a ferric iron copper dissolving circulation device, which comprises:
The copper tank comprises a first tank body and a second tank body, wherein the first tank body is suitable for containing liquid medicine, an anode piece, a cathode piece, an anode spray pipe and a cathode spray pipe are arranged in the first tank body, the anode piece and the cathode piece are arranged opposite, and the cathode spray pipe is suitable for spraying the liquid medicine to the cathode piece;
the copper dissolving tank is suitable for containing liquid medicine and is arranged in the second tank body;
one end of the bleeder tube is connected with the first tank body, and the other end of the bleeder tube is connected with the copper dissolving tank and is suitable for conveying the liquid medicine in the first tank body into the copper dissolving tank;
one end of the circulating pump is connected with the bottom of the copper dissolving tank, the other end of the circulating pump is connected with the anode spray pipe, and the circulating pump is suitable for spraying the liquid medicine in the copper dissolving tank to the anode part through the anode spray pipe.
The beneficial effects are that: the copper dissolving tank in the ferric iron copper dissolving circulating device is integrally arranged in the second tank body, so that the space occupied by the whole ferric iron copper dissolving circulating device can be reduced, the ferric iron copper dissolving circulating device can realize vertical continuous electroplating only through the circulating pump, excessive water pumps are not needed to participate in the circulating process, the pipeline structure in the device can be simplified, and the arrangement and the installation of the ferric iron copper dissolving circulating device are facilitated.
In an optional implementation manner, a liquid outlet is formed in the bottom of the first tank body, a liquid inlet is formed in the top of the copper dissolution tank, one end of the bleeder tube is connected with the liquid outlet, and the other end of the bleeder tube is communicated with the liquid inlet.
The beneficial effects are that: the copper dissolving tank is arranged in the second tank body, so that a certain height difference exists between the first tank body and the copper dissolving tank, a driving device is not required to be additionally arranged, and liquid medicine can flow into the copper dissolving tank from the first tank body through the bleeder pipe by means of self gravity.
In an alternative embodiment, the bleeder tube is provided with a control valve adapted to control the communication and closing of the bleeder tube.
The beneficial effects are that: the flow of the liquid medicine entering the copper dissolving tank can be controlled by the control valve, so that the liquid medicine is prevented from flowing backwards or flowing backwards, and the normal circulation of the liquid medicine is ensured.
In an alternative embodiment, the ferric iron copper dissolution circulating device further comprises a driving pump and a connecting pipe, a suction inlet is formed in the bottom of the first tank body, one end of the driving pump is communicated with the suction inlet, and the other end of the driving pump is connected with the cathode spray pipe through the connecting pipe.
The beneficial effects are that: under the action of the driving pump, the liquid medicine flows out of the first tank body from the suction inlet, enters the cathode spray pipe through the connecting pipe and is sprayed to the cathode part, and the pipeline structure of the cathode spray pipe is simple and convenient to arrange and install.
In an alternative embodiment, the connection tube is further connected with a filter cartridge.
The beneficial effects are that: the filter cartridge can filter impurities in the liquid medicine, and adverse effects of the impurities on the electroplating quality of the cathode component are avoided.
In an alternative embodiment, a filter screen is provided at the suction inlet.
The beneficial effects are that: the filter screen can carry out preliminary filtration to the impurity in the liquid medicine, prevents that the impurity from following the liquid medicine and being sprayed to cathode spare department through the cathode nozzle, is favorable to improving the electroplating quality of cathode spare.
In an alternative embodiment, the anode lance and the cathode lance are arranged on both sides of the anode part.
The beneficial effects are that: through the arrangement, the mutual interference of pipelines of the anode spray pipe and the cathode spray pipe can be avoided, and the installation and arrangement of pipelines inside the copper tank are facilitated.
In an alternative embodiment, the anode lance and the cathode lance are each arranged on a side of the anode part facing away from the cathode part.
The beneficial effects are that: by the arrangement, the space can be reserved for the anode piece and the cathode piece, and the installation or arrangement of the anode piece and the cathode piece is prevented from being influenced by other pipelines.
In an alternative embodiment, the anode spray pipe and the cathode spray pipe are respectively provided with a plurality of water outlet holes, and the water outlet holes are uniformly distributed along the height direction of the first tank body.
The beneficial effects are that: the plurality of water outlet holes can enable the liquid medicine to be sprayed out along the height direction of the first tank body, part of the liquid medicine can flow out from top to bottom, and the liquid medicine can be fully contacted with the anode piece or the cathode piece, so that ions in the liquid medicine fully participate in the reaction, and the phenomenon that the ions in the liquid medicine are sucked away without participating in the reaction is avoided.
In an alternative embodiment, the anode member is a titanium anode.
The beneficial effects are that: through the arrangement, the anode piece can be prevented from being oxidized in the electroplating process, so that the anode piece can keep stable electroplating uniformity for a long time, and the anode piece is not required to be replaced frequently in the electroplating process.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a ferric copper dissolution circulation device in accordance with an embodiment of the present utility model;
fig. 2 is a side view of the ferric copper dissolution circulation apparatus shown in fig. 1.
Reference numerals illustrate:
1. A copper tank; 11. a first tank body; 111. an anode member; 112. a cathode member; 113. an anode nozzle; 114. a cathode nozzle; 115. a liquid outlet; 116. a suction inlet; 117. a filter screen; 12. a second tank body; 2. a copper dissolving tank; 21. a liquid inlet; 3. a bleeder tube; 31. a control valve; 4. a circulation pump; 5. driving a pump; 6. a filter cartridge.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of the present utility model is described below with reference to fig. 1 to 2.
According to an embodiment of the utility model, a ferric iron copper dissolution circulating device is provided, which comprises a copper tank 1, a copper dissolution tank 2, a bleeder pipe 3 and a circulating pump 4.
Specifically, the copper tank 1 includes a first tank body 11 and a second tank body 12, the first tank body 11 being adapted to contain a chemical solution, and an anode member 111, a cathode member 112, an anode nozzle 113, and a cathode nozzle 114 being provided in the first tank body 11. The anode member 111 is disposed opposite the cathode member 112, and the cathode nozzle 114 is adapted to spray a liquid chemical at the cathode member 112. The copper dissolution tank 2 is adapted to contain a chemical solution and is disposed in the second tank 12. One end of the bleeder tube 3 is connected with the first tank body 11, and the other end is connected with the copper dissolution tank 2, and is suitable for conveying the liquid medicine in the first tank body 11 into the copper dissolution tank 2. One end of the circulating pump 4 is connected with the bottom of the copper dissolution tank 2, the other end is connected with the anode spray pipe 113, and the circulating pump 4 is suitable for spraying the liquid medicine in the copper dissolution tank 2 to the anode part 111 through the anode spray pipe 113.
The liquid medicine contained in the copper dissolving tank 2 can be liquid medicine containing Fe 2+ and Cu 2+, and pure copper particles can be contained in the copper dissolving tank 2. The cathode nozzle 114 sprays a chemical solution containing Cu 2+ onto the cathode member 112, and Cu 2+ in the chemical solution reacts on the cathode member 112 to form copper on the surface of the cathode member 112 by electroplating. Under the action of the circulating pump 4, the liquid medicine containing Fe 2+ and Cu 2+ is sprayed to the anode part 111 through the anode spray pipe 113, and Fe 2+ in the liquid medicine reacts with oxygen to generate Fe 3+. The liquid medicine containing Fe 3+ flows into the copper dissolution tank 2 from the first tank 11 through the bleeder pipe 3, fe 3+ in the liquid medicine reacts with pure copper particles to generate Fe 2+ and Cu 2+, so that Fe 2+ and Cu 2+ in the liquid medicine in the copper dissolution tank 2 can be supplemented, the circulating pump 4 continuously conveys the liquid medicine containing Fe 2+ and Cu 2+ into the first tank 11 to participate in the electroplating reaction, and therefore a relatively stable circulating electroplating system is formed, and along with the electroplating process, only the pure copper particles in the copper dissolution tank 2 need to be supplemented.
The copper dissolving tank 2 in the ferric iron copper dissolving circulating device is integrally arranged in the second tank body 12, so that the space occupied by the whole ferric iron copper dissolving circulating device can be reduced, the ferric iron copper dissolving circulating device can realize vertical continuous electroplating only through the circulating pump 4, excessive water pumps are not needed to participate in the circulating process, the pipeline structure in the device can be simplified, and the arrangement and the installation of the ferric iron copper dissolving circulating device are facilitated.
In the embodiment shown in fig. 1 and 2, the ferric copper dissolution circulation device comprises one copper tank 1 and one copper dissolution tank 2, and of course, in other embodiments, the number of copper tanks 1 may be two, three or four, etc., and the number of copper dissolution tanks 2 may be two, three or four, etc. In a specific embodiment, the number of anode members 111 in the first tank 11 is sixteen, and the anode members 111 can be equally divided into two groups, each group includes eight anode members 111, the two groups of anode members 111 are symmetrically disposed in the first tank 11, and the cathode member 112 can be disposed between the two groups of anode members 111.
In one embodiment, the anode nozzle 113 and the cathode nozzle 114 are respectively disposed on two sides of the anode member 111, and the anode nozzle 113 and the cathode nozzle 114 are all required to be externally connected with other pipelines, so that the mutual interference between the pipelines of the anode nozzle 113 and the cathode nozzle 114 can be avoided by the arrangement, and the installation and arrangement of the internal pipelines of the copper tank 1 are facilitated.
In the embodiment shown in fig. 1 and 2, the ferric copper dissolution circulating device comprises two groups of anode parts 111 and a cathode part 112 arranged between the two groups of anode parts 111, a cathode spray pipe 114 is arranged between each group of anode parts 111 and the cathode part 112, and an anode spray pipe 113 is respectively arranged between the two groups of anode parts 111 and the side wall of the first tank body 11. The ferric iron copper dissolving circulation device comprises a circulation pump 4, wherein the circulation pump 4 is communicated with the anode spray pipe 113, and the circulation pump 4 can be used for controlling the flow of the anode spray pipe 113.
In one embodiment, the anode nozzle 113 and the cathode nozzle 114 are disposed on a side of the anode member 111 facing away from the cathode member 112. The spray directions of the anode spray tube 113 and the cathode spray tube 114 are each toward the anode member 22, more precisely, the anode spray tube 113 sprays the chemical solution to the anode member 111, and the cathode spray tube 114 sprays the chemical solution to the cathode member 112. By the above arrangement, a space can be reserved for the anode member 111 and the cathode member 112, and the installation or arrangement of the anode member 111 and the cathode member 112 is prevented from being affected by other piping.
In one embodiment, the anode nozzle 113 and the cathode nozzle 114 are respectively provided with a plurality of water outlets, and the water outlets are uniformly distributed along the height direction of the first tank 11. The plurality of water outlet holes can enable the liquid medicine to be sprayed out along the height direction of the first tank body 11, part of the liquid medicine can flow out from top to bottom, and the liquid medicine can be fully contacted with the anode piece 111 or the cathode piece 112, so that ions in the liquid medicine fully participate in the reaction, and the phenomenon that the ions in the liquid medicine are sucked away without participating in the reaction is avoided.
In some embodiments, the water outlet holes of the anode spray tube 113 or the cathode spray tube 114 may be replaced by nozzles, and the chemical solution is sprayed to the anode member 111 or the cathode member 112 by the nozzles.
In one embodiment, the anode member 111 is a titanium anode, which can avoid the anode member 111 from being oxidized during the electroplating process, so that the anode member 111 can maintain stable electroplating uniformity for a long time, and frequent replacement of the anode member 111 during the electroplating process is not required. In a particular embodiment, the anode member 111 may be a titanium mesh with an iridium oxide coating.
In one embodiment, the bottom of the first tank 11 is provided with a liquid outlet 115, the top of the copper dissolving tank 2 is provided with a liquid inlet 21, one end of the bleeder tube 3 is connected with the liquid outlet 115, and the other end is communicated with the liquid inlet 21. The copper dissolution tank 2 is arranged in the second tank body 12, so that a certain height difference exists between the first tank body 11 and the copper dissolution tank 2, and therefore, a driving device is not required to be additionally arranged, and liquid medicine can flow into the copper dissolution tank 2 from the first tank body 11 through the bleeder pipe 3 by means of self gravity.
The liquid outlet 115 is arranged at the bottom of the first tank body 11, so that the liquid medicine can fully participate in oxidation-reduction reaction, and ions in the liquid medicine are prevented from flowing out of the first tank body 11 through the liquid outlet 115 without participating in reaction, thereby being beneficial to improving the utilization rate of the liquid medicine and the electroplating efficiency. The liquid outlet 115 is arranged above the copper dissolution tank 2, the liquid medicine containing Fe 3+ can flow down from the upper side of the copper dissolution tank 2, and the liquid medicine fully contacts with pure copper particles to react to generate the liquid medicine containing Fe 2+ and Cu 2+, so that the Fe 2+ and Cu 2+ in the first tank body 11 are supplemented in time, and the smooth electroplating process is ensured.
In the embodiment shown in fig. 1, the ferric iron copper dissolution circulating device comprises six bleeder pipes 3, correspondingly, six liquid outlets 115 are arranged at the bottom of the first tank body 11, and the six liquid outlets 115 are distributed at the bottom of the first tank body 11, so that the liquid medicine at all positions at the bottom of the first tank body 11 can flow into the copper dissolution tank 2 through the bleeder pipes 3.
In one embodiment the drain pipe 3 is provided with a control valve 31, the control valve 31 being adapted to control the communication and closing of the drain pipe 3. The flow of the liquid medicine entering the copper dissolving tank 2 can be controlled by the control valve 31, so that the liquid medicine is prevented from flowing backwards or flowing backwards, and the normal circulation of the liquid medicine is ensured.
In one embodiment, a flowmeter may be disposed on the bleeder tube 3, the concentration of Fe 3+ in the copper dissolution tank 2 may be monitored by a detector, if the concentration of Fe 3+ in the copper dissolution tank 2 is low, the flow rate of the liquid medicine entering the copper dissolution tank 2 may be increased by controlling the control valve 31, so as to increase the concentration of Fe 3+ in the copper dissolution tank 2, and the flowmeter may monitor the flow rate of the liquid medicine.
In one embodiment, a flowmeter may be disposed between the circulation pump 4 and the anode nozzle 113, and the flow rate of the chemical solution in the copper dissolution tank 2 may be monitored and controlled by the flowmeter, so as to avoid that the concentration of Fe 2+ at the anode member 111 is low due to the too small flow rate of the chemical solution, and further, the electroplating quality is affected after a large amount of oxygen is generated by electrolysis of water at the anode member 111.
In one embodiment, a screen 117 is provided at the suction inlet 116 at the bottom of the first tank 11. The filter screen 117 can perform preliminary filtration on impurities in the liquid medicine, prevents the impurities from being sprayed to the cathode member 112 along with the liquid medicine through the cathode spray pipe 114, and is beneficial to improving the electroplating quality of the cathode member 112.
In one embodiment, the ferric copper dissolving circulation device further comprises a driving pump 5 and a connecting pipe, wherein a suction inlet 116 is arranged at the bottom of the first tank body 11, one end of the driving pump 5 is communicated with the suction inlet 116, and the other end of the driving pump is connected with the cathode spray pipe 114 through the connecting pipe. Under the action of the driving pump 5, the liquid medicine flows out of the first tank body 11 from the suction inlet 116, enters the cathode spray pipe 114 through the connecting pipe and is sprayed to the cathode part 112, and the pipeline structure of the cathode spray pipe 114 is simple and is convenient to arrange and install.
Further, the connection pipe is also connected with the filter cartridge 6, and before the liquid medicine is sprayed to the cathode member 112 through the cathode spray pipe 114, the filter cartridge 6 can filter impurities in the liquid medicine, so as to avoid adverse effects of the impurities on the electroplating quality of the cathode member 112.
The circulating reaction process of the liquid medicine when the ferric iron copper dissolving circulating device works is as follows:
under the action of the circulating pump 4, the liquid medicine containing Fe 2+ and Cu 2+ in the copper dissolution tank 2 is sprayed to the anode part 111 through the anode spray pipe 113, fe 2+ in the liquid medicine reacts with oxygen to generate Fe 3+, part of the liquid medicine in the first tank 11 flows into the filter cartridge 6 through the suction inlet 116 under the action of the driving pump 5, impurities in the liquid medicine are filtered by the filter cartridge 6, the liquid medicine is sprayed to the cathode part 112 through the cathode spray pipe 114, and Cu 2+ in the liquid medicine is electroplated on the cathode part 112 to generate copper. The control valve 31 is opened, the liquid medicine flows into the bleeder tube 3 through the liquid outlet 115 at the bottom of the first tank body 11 under the action of gravity, and enters the copper dissolution tank 2 through the liquid inlet 21, the liquid medicine containing Fe 3+ flows into the copper dissolution tank 2 and then reacts with pure copper particles to generate Fe 2+ and Cu 2+, and the liquid medicine containing Fe 2+ and Cu 2+ enters the first tank body 11 under the action of the circulating pump 4 to supplement Fe 2+ and Cu 2+.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims (10)

1. A ferric copper dissolution circulation device, comprising:
The copper tank (1) comprises a first tank body (11) and a second tank body (12) positioned below the first tank body (11), wherein the first tank body (11) is suitable for containing liquid medicine, an anode piece (111), a cathode piece (112), an anode spray pipe (113) and a cathode spray pipe (114) are arranged in the first tank body (11), the anode piece (111) is arranged opposite to the cathode piece (112), and the cathode spray pipe (114) is suitable for spraying the liquid medicine to the cathode piece (112);
A copper dissolving tank (2) which is suitable for containing liquid medicine and is arranged in the second tank body (12);
One end of the bleeder tube (3) is connected with the first tank body (11), and the other end of the bleeder tube is connected with the copper dissolving tank (2) and is suitable for conveying the liquid medicine in the first tank body (11) into the copper dissolving tank (2);
One end of the circulating pump (4) is connected with the bottom of the copper dissolving tank (2), the other end of the circulating pump is connected with the anode spray pipe (113), and the circulating pump (4) is suitable for spraying the liquid medicine in the copper dissolving tank (2) to the anode part (111) through the anode spray pipe (113).
2. The ferric iron copper dissolving circulation device according to claim 1, wherein a liquid outlet (115) is formed in the bottom of the first tank body (11), a liquid inlet (21) is formed in the top of the copper dissolving tank (2), one end of the bleeder tube (3) is connected with the liquid outlet (115), and the other end of the bleeder tube is communicated with the liquid inlet (21).
3. Ferric copper dissolution circulation device according to claim 1, characterized in that the tapping pipe (3) is provided with a control valve (31), said control valve (31) being adapted to control the communication and closing of the tapping pipe (3).
4. A ferric copper dissolution circulation device as claimed in any one of claims 1 to 3, further comprising a drive pump (5) and a connecting pipe, wherein a suction inlet (116) is provided at the bottom of the first tank body (11), one end of the drive pump (5) is communicated with the suction inlet (116), and the other end is connected with the cathode nozzle (114) through the connecting pipe.
5. Ferric copper dissolution circulation device according to claim 4, characterized in that the connection pipe is also connected with a filter cartridge (6).
6. The ferric copper dissolving circulation device as claimed in claim 4, wherein a filter screen (117) is arranged at the suction inlet (116).
7. The ferric copper dissolution circulation device as claimed in claim 1, wherein the anode lance (113) and the cathode lance (114) are respectively disposed on both sides of the anode member (111).
8. Ferric copper dissolution circulation device according to claim 1, wherein the anode lance (113) and the cathode lance (114) are both arranged on a side of the anode element (111) facing away from the cathode element (112).
9. A ferric copper dissolution circulation device as claimed in any one of claims 1 to 3, wherein the anode lance (113) and the cathode lance (114) are each provided with a plurality of water outlet holes, the water outlet holes being evenly arranged along the height direction of the first tank (11).
10. Ferric copper dissolution circulation device according to claim 1, wherein the anode member (111) is a titanium anode.
CN202322200310.5U 2023-08-14 2023-08-14 Ferric iron copper dissolving circulation device Active CN220952148U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322200310.5U CN220952148U (en) 2023-08-14 2023-08-14 Ferric iron copper dissolving circulation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322200310.5U CN220952148U (en) 2023-08-14 2023-08-14 Ferric iron copper dissolving circulation device

Publications (1)

Publication Number Publication Date
CN220952148U true CN220952148U (en) 2024-05-14

Family

ID=91009012

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322200310.5U Active CN220952148U (en) 2023-08-14 2023-08-14 Ferric iron copper dissolving circulation device

Country Status (1)

Country Link
CN (1) CN220952148U (en)

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