CN205347593U - Acid etching solution recycle and regeneration's electrolytic cell assembly, system - Google Patents
Acid etching solution recycle and regeneration's electrolytic cell assembly, system Download PDFInfo
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- CN205347593U CN205347593U CN201521080212.1U CN201521080212U CN205347593U CN 205347593 U CN205347593 U CN 205347593U CN 201521080212 U CN201521080212 U CN 201521080212U CN 205347593 U CN205347593 U CN 205347593U
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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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Abstract
The utility model belongs to the technical field of the etching solution is handled, a acid etching solution recycle and regeneration's electrolytic cell assembly, system is specifically disclosed. The device includes the electrolysis trough, still includes main anode, negative pole, diaphragm and the inclined to one side positive pole of at least a slice, anode chamber and cathode chamber are separated into with the cavity that the electrolysis trough formed to the diaphragm, the main anode sets up in the anode chamber, the negative pole sets up in the cathode chamber, the positive pole sets up in the anode chamber partially, main anode, negative pole, inclined to one side positive pole and diaphragm are parallel to each other and intervals for two liang. The structure that the device utilized main anode and inclined to one side positive pole to form the three -dimensional arrangement when electrolysis trough switch -on DC power supply, can effectively restrain the effect that chlorine was appeared. The system that is formed by the device is existing to do benefit to the environmental protection, and recovery electrolysis copper and recycle and regeneration etching solution that again can be fine realize that recovery process does not have pollutant discharge, have economic benefits and resource reuse's multiple benefit simultaneously concurrently.
Description
Technical field
This utility model relates to etching solution and processes art field, particularly relates to the electrolytic cell assembly of a kind of acidity etching liquid recycling, system.
Background technology
In the production of commercial production especially PCB, a kind of common etching mode of acid etching.Acid etching mainly application acid chloride etching liquid cycle system etches the copper in copper-clad plate, the technology simultaneously applying cyclic electrolysis carrys out the copper in electro-deposition erosion copper after etching liquid, to ensure the equilibrium concentration of the copper content in etching solution, recover every technical parameter of its erosion copper, such as the concentration of bivalent cupric ion, acidity simultaneously, oxidation-reduction potential etc., make the etching solution through electrochemical regeneration return to PCB production line, carry out the operation of erosion copper, reach the purpose of cycle applications.
In the electrochemical reaction of acid copper, copper ion becomes metallic copper in cathodic reduction, is then chloride ion oxidation the form effusion electro-deposition system with chlorine on anode.On anode precipitate out chlorine except partially consumed except the univalent copper ion of anode region is oxidized to bivalent cupric ion, remainder chlorine is entered by induction system and regulates storage tank, etching solution therein is regulated to suitable parameter, returns PCB production system and carry out erosion copper operation.According to the conservation of matter of chemical reaction, electron transfer equilibrium principle, when cathode chamber electro-deposition goes out the copper of 1000Kg, the corresponding chlorine just having about 1100Kg precipitates out in anode region, the chlorine of wherein most is for outside above-mentioned balancing response, also can overflow system by some unnecessary chlorine, the chlorine of effusion can enter in air, to environment.Therefore, produce the upper waste material such as alkali cpd or ferrous chloride of employing mostly at present and carry out the chlorine that this part of neutralisation treatment is unnecessary.
In order to better avoid the effusion of chlorine, Chinese patent (application number: ZL200920062537.5) discloses the device of a kind of chloride system circuit board etching liquid On-line testing copper and etching solution reuse, this device is connected to form by least two-stage opened type electrolyzer unit, wherein said electrolyzer unit at different levels is respectively by moveable anionic membrane or have the diaphragm material of micro-permeance property electrolyzer unit is separated into the adjustable anode region of area and cathode chamber, and described electrolyzer units at different levels adopt the electrode of titanio noble metal-coating oxide as anode, each prime electrolyzer unit adopts the three-diemsnional electrode material of titanium as negative electrode, each rear class electrolyzer unit adopts the two-dimensional electrode material of titanium plate or copper coin as negative electrode, adopt single DC source as the power supply of each electrolyzer unit.This patent major technique path is to utilize the monovalence copper in etching solution to react generation cupric with chlorine, to reach to remove the purpose of chlorine.
Particular by adjusting electrochemical process parameter, volume ratio such as cathode chamber and anode region, the velocity ratio of cathode chamber solution and anode region solution, the change of the electrochemical techniques parameters such as the area ratio of negative electrode and anode, as first allowed the cupric in cathode chamber be reduced into monovalence copper, rather than with the form of copper metal in cathodic deposition, then the operation of second stage is carried out again, at negative electrode substrates copper, monovalence copper in anode region and the chlorine generated in reaction react and obtain copper chloride so that chloride ion can not precipitate out with the form of chlorine and overflow system.
This patent is in use, it is necessary to the change of moment monitoring anode and cathode volume, negative and positive district solution flow rate etc., is unfavorable for that system automation produces.
Chinese patent (application number: ZL200620061013.0) discloses the device extracting copper in a kind of chloride system circuit board etching liquid, electrolytic vessel is separated into anode region and cathode chamber by diaphragm material by this device, wherein with the low metal material of electrical conductivity as negative electrode, with the high material of electrical conductivity as anode.Further, in use, it is necessary to add the element such as ferrum, zinc in anode region, the chlorine that itself and anode reaction generate is allowed to react generation chloride.The elements such as the ferrum of addition, zinc, are actually and play a part a soluble anode.It is high unclear with the low restriction of electrical conductivity to there is electrical conductivity in this patent, and in device, ferrum, zinc are the problems such as uncertainty.
Utility model content
The purpose of this utility model is in that the device occurred in Footwall drift copper and circular regeneration acidic etching liquid process for existing acidic etching waste liquid can not realize automatization, the problems such as the uncertain and easy effusion chlorine of device parameter, it is provided that the electrolytic cell assembly of a kind of acidity etching liquid recycling.
Another purpose of the present utility model is in that to provide the system of a kind of acidity etching liquid recycling.
For reaching above-mentioned utility model purpose, this utility model embodiment have employed following technical scheme:
A kind of electrolytic cell assembly of acidity etching liquid recycling, including electrolysis bath,
Also include main anode, at least a piece of negative electrode, at least a piece of barrier film and at least a piece of inclined anode；
The cavity that described electrolysis bath is formed is separated into anode chamber and cathode chamber by described barrier film；Described main anode is arranged in described anode chamber；Described negative electrode is arranged in described cathode chamber；Described inclined anode is arranged in described anode chamber, is arranged in the interval folded by described main anode and described negative electrode；Described main anode, negative electrode, inclined anode and barrier film are parallel to each other between two, and described main anode, inclined anode and barrier film have interval between any two, have interval between described negative electrode and barrier film.
As preferably, described main anode includes main anode matrix and is attached to the metallic compound conductive layer of described main anode matrix surface；Described main anode matrix is any in Titanium base, niobio body, zirconio body, tantalio body；Described metallic compound conductive layer is at least one in Ru metallic compound conductive layer, Ir, Pt metallic compound conductive layer, Pd metallic compound conductive layer, Ta metallic compound conductive layer.
As preferably, described metallic compound conductive layer be doped with the metallic compound conductive layer of Mo, the metallic compound conductive layer of Mn, Sn metallic compound conductive layer at least one.
As preferably, described inclined anode includes inclined anode substrate and is attached to the conductive layer on described inclined anode substrate surface；Or described inclined anode is graphite electrode.
As preferably, described conductive layer is at least one in Mo metal conductive oxide layer, Mn metal conductive oxide layer, Sn metal conductive oxide layer；Or described conductive layer is the mixture conductive layer comprising boron, sodium tetraborate and bortz powder last doping.
As preferably, described main anode is tabular or netted or powder die-casting shape or cystose；And/or described inclined anode is tabular or netted or powder die-casting shape or cystose；And/or described barrier film is any one in asbestos diaphragm, composite diaphragm, anionic membrane.
As preferably, described main anode surface area be 1.0 times of described cathodic surface area and more than；And/or the 50%-150% that described inclined anode surface area is described main anode surface area.
As preferably, anode chamber's sidewall of described device offering etching waste liquor entrance, regenerated liquid outlet and convulsion air vent.
Correspondingly, the system of a kind of acidity etching liquid recycling, including electrolytic cell assembly, described electrolytic cell assembly is provided by the electrolytic cell assembly of acidity etching liquid recycling described above.
The electrolytic cell assembly that this utility model above-described embodiment provides, utilize main anode and the structure of inclined anodic formation three-dimensional arrangement, change conventional anodes configuration, when electrolysis bath connects DC source, there is potential difference between inclined anode and main anode, inclined anode occurs anode current, but not up to the current value of chlorine evolution potential, namely there is trickle electrochemical system, can effectively suppress the effect that chlorine precipitates out.
The system of the acidity etching liquid recycling that this utility model above-described embodiment provides, it is possible not only to the copper metal in efficient recovery acidic etching liquid and etching solution, can effectively suppress the precipitation of chlorine simultaneously, reach the purpose that green clean environment firendly produces, be suitable to industrial popularization and application.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the electrolytic cell assembly explosive view of this utility model one embodiment acidity etching liquid recycling；
Fig. 2 is the electrolytic cell assembly front elevational schematic of this utility model one embodiment acidity etching liquid recycling；
Fig. 3 is the system schematic of this utility model one embodiment acidity etching liquid recycling.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
In this specification, anode chamber, anode region all represent that the same meaning is all expressed on the same meaning, cathode chamber and cathode chamber.
As shown in Figure 1 to Figure 2, this utility model embodiment provides the electrolytic cell assembly of a kind of acidity etching liquid recycling, including electrolysis bath 1, negative electrode 3, main anode 4, inclined anode 5 and barrier film 6, in the present embodiment, including two panels negative electrode 3, a piece of main anode 4, the inclined anode 5 of two panels and two panels barrier film 6.
Wherein, in any embodiment, electrolysis bath 1 is the cavity 2 of upper end open.Cavity 2 is preferably square, square advantageously ensures that the vertical dimension at negative and positive the two poles of the earth is consistent, and then can ensure that the electric current density at each position has concordance.Two opposition sidewalls of electrolysis bath 1 opening offer the multipair groove for installing negative electrode 3, main anode 4, inclined anode 5 and barrier film 6；And the cavity 2 that electrolysis bath 1 is formed by the barrier film 6 being installed on groove is separated into cathode chamber 21 and anode chamber 22, the sidewall of anode chamber 22 offers etching waste liquor entrance, regenerated liquid outlet and convulsion air vent.In the present embodiment, the cavity 2 that electrolysis bath 1 is formed by two panels barrier film 6 is separated into two cathode chambers 21 and an anode chamber 22, with anode chamber 22 through central point and be parallel to the straight line of bottom of electrolytic tank for axle, two cathode chambers 21 are symmetrical about this axis of symmetry.
In any embodiment, negative electrode 2 is mounted in cathode chamber 21 by a confronting grooves of electrolysis bath 1.Negative electrode 2 is made up of titanium plate.Described titanium plate is pure titanium or titanium alloy.
In any embodiment, main anode 4 is mounted in anode chamber 22 by a confronting grooves of electrolysis bath 1, and main anode 4 and negative electrode 2 be arranged in parallel, it is noted that according to general knowledge, and here parallel does not include coplanar.Main anode 4 includes main anode matrix and is attached to the metallic compound conductive layer of described main anode matrix surface；Main anode 4 is tabular or netted or powder die-casting shape or cystose.
Specifically, main anode matrix is any matrix in titanium, niobium, zirconium, tantalum；It is attached at least one that metal conductive oxide layer is Ru metal conductive oxide layer, Ir metal conductive oxide layer, Pt metal conductive oxide layer, Pd metal conductive oxide layer, Ta metal conductive oxide layer of main anode matrix surface.Except the firmly reaction that main anode 4 surface precipitates out except there is chlorine, there is also the competitive reaction of water electrolysis precipitated oxygen, and these metallic compound antianodes analysis chlorine has good electrocatalysis.Precipitate out and oxygen precipitation, at least one in the Mo (molybdenum), Mn (manganese) and the Sn (stannum) that adulterate a small amount of in metallic compound conductive layer to better coordinate chlorine.
As preferably, the surface area of main anode 4 be at least 1.0 times of negative electrode 2 surface area and more than.It is preferred that 1.2 times, this can affect, mainly due to the size of main anode 4, the deposition potential that electrolysis is chlorine, in order to control in electrolytic process voltage below the deposition potential of chlorine, therefore electric current is reduced, and in order to ensure the electric current density of negative electrode 2, the surface area by main anode 4 is needed to make the surface area more than negative electrode 2, thus ensureing, namely lower than the deposition potential of chlorine when, also to can guarantee that the electric current density in negative electrode 2 electrolytic process.
In any embodiment, in anode chamber 22, and between main anode 4 and barrier film 6, and in the interval folded by main anode 4 and negative electrode 2, it is mounted with inclined anode 5 by a confronting grooves of electrolysis bath 1；Inclined anode 5 is tabular or netted or powder die-casting shape or cystose；Inclined anode 5 and barrier film 6 are parallel to each other and have interval, and inclined anode 5 and main anode 4 are parallel to each other and have interval.
Specifically, inclined anode 5 includes inclined anode substrate and is attached to the conductive layer on described inclined anode substrate surface；Or anode 5 is graphite electrode partially.
Preferably, described conductive layer is at least one in Mo metal conductive oxide layer, Mn metal conductive oxide layer, Sn metal conductive oxide layer, this conductive layer, specifically at the metallic compound of MO, Mn, Sn described in Titanium base surface-coated, is then passed through being formed after high temperature sintering processes；Or described conductive layer is the mixture conductive layer comprising boron, sodium tetraborate and bortz powder last doping, this conductive layer is specifically by after boron, sodium tetraborate and bortz powder last doping, sprayed by methods such as plasma spraying, chemical deposition, vapour depositions, and formed after high temperature high pressure process.
Preferably, graphite electrode can be any one in graphite cake, graphite felt, carbon fiber.
As preferably, the 50%-150% that surface area is main anode 4 surface area of inclined anode 5, this is mainly the surface area size of inclined anode 5 and main anode 4 than directly affects amount that in etching anode liquid, oxidizing substance produces and the efficiency of generation, as ratio is excessive, the amount multisystem consumption produced is not, it is necessary to unnecessary oxidant is processed；And when ratio is too small, the inadequate system of amount of generation uses, it is necessary to additionally add oxidant.
In above-described embodiment, the structural design of main anode 4 and inclined anode 5, when electrolysis bath connects DC source, inclined anode 5 also exists the relatively low current potential of and main anode current potential (as V) (as V-Δ V, and 0 < Δ V < V), according to Ohm's law, inclined anode 5 also has anode current exist, but not up to chlorine evolution potential value, so can effectively reduce the current efficiency of analysis chlorine reaction, play a part to suppress chlorine to precipitate out；Simultaneously, main anode 4 and the inclined anode 5 surface technological means by adhering to and adulterating, make anode that the precipitation of oxygen is played required electrocatalysis, while electrode reaches analysis chlorine efficiency, considerable amount of oxygen is had again to precipitate out at anode, the chlorine and the oxygen that produce react in electrolysis bath system, generate oxides of chlorine, thus reaching to suppress the purpose of chlorine effusion electrolysis bath system.
It is noted that in embodiment provided by the utility model, in an electrolytic cell assembly, it is possible to comprise an anode chamber 22 and a cathode chamber 21；An anode chamber 22 and two cathode chambers 21 can also be comprised as shown in this utility model Figure of description 1-2；Certainly, it is not limited to this.
In this utility model embodiment, on the one hand, owing to main anode and inclined anode are not located at equal potential state, there is trickle electrochemical system, there is different anode reactions in the electrochemical system that each is trickle；On the other hand, adhering to/be coated with different active substances respectively at main anode and inclined anode substrate surface, existing analysis chlorine reacts, and has again oxygen evolution reaction.The common synergism of these two aspects, is finally reached the purpose suppressing chlorine to precipitate out on anode.
It addition, under the premise of the electrolytic cell assembly of acidity etching liquid recycling described above, this utility model embodiment additionally provides a kind of acidic etching liquid formed by this electrolytic cell assembly circulation system again.In one embodiment, this system includes electrolytic cell assembly described above, adds storage tank, anti-corrosive water pump, motor-generator set, and the annexation of system refers to Fig. 3.
Here there is acidic etching waste liquid in interpolation storage tank, it is possible to supplement the copper ion of cathode chamber internal consumption, make the ion in maintenance electrolysis bath be in poised state.Specifically, add storage tank to be connected with the cathode chamber in electrolytic cell assembly by pipeline.
In order to the convenient acidic etching waste liquid added in storage tank is to interpolation, add in connection and the storage tank pipeline with electrolytic cell assembly is provided with the first anti-corrosive water pump, and in order to when better controlling the interpolation of acidic etching waste liquid and avoid system not work the first anti-corrosive water pump remain acidic etching waste liquid, the pipeline of connection adding storage tank and the first anti-corrosive water pump is provided with the first ball valve.
Motor-generator set connects with civil power, and when the electrolytic cell assembly of commercial power rectification COST system is carried out electrolysis can unidirectional current.Specifically, motor-generator set positive pole is electrically connected with the main anode in electrolytic cell assembly by wire；And motor-generator set negative pole is electrically connected with the negative pole in electrolytic cell assembly by wire.
Being connected with etching line electrolytic cell assembly anode chamber by pipeline in native system, pipeline is specifically connected to the etching waste liquor porch of anode chamber's sidewall, thus the etching waste liquor realizing producing in etching line is to the transmission of electrolytic cell assembly anode chamber.In order to better realize transmission and the control of etching waste liquor, this pipeline is provided with the second anti-corrosive water pump, is additionally provided with the second ball valve on the pipeline that etching line is connected with the second anti-corrosive water pump simultaneously.Electrolytic cell assembly anode chamber sidewall regenerated liquid outlet be connected with etching line by pipeline, transmit in etching line thus realizing regenerated liquid, in order to better realize transmission and the control of regenerated liquid, this pipeline is provided with the 3rd anti-corrosive water pump, is additionally provided with the 3rd ball valve on the pipeline that electrolytic cell assembly and the 3rd anti-corrosive water pump are connected simultaneously.It is finally reached the purpose that liquid medicine adds, discharges, circulates.
A small amount of chlorine in order to avoid producing is diffused in air, and native system is attached also by the convulsion air vent of exhausting system (Fig. 3 does not show) Yu electrolytic cell assembly anode chamber.In the acidity etching liquid recycling provided by this utility model embodiment and the system suppressing chlorine precipitation, it is used in the production that acidic etching waste solution of printed circuit board reclaims copper and circular regeneration etching solution, the response rate of metallic copper reaches more than 99.5%, the etching solution response rate reaches more than 98.5%, and the amount of chlorine of effusion is lower than 2%.
Here, the chlorine of effusion can absorb with sodium hydroxide become sodium hypochlorite for substituting oxidizing monovalence copper completely；And the etching solution after cathode chamber copper removal can be used for substituting proportion and the acidity of tap water and hydrochloric acid allotment etching solution used by etching work procedure；Cathode chamber has the etching solution of strong oxidizing property and can be used for the strong oxidizer (such as sodium chlorate) substituted used by moment operation and aoxidize univalent copper ion.The system finally making this utility model embodiment is conducive to environmental protection, can be good at again reclaiming cathode copper and circular regeneration etching solution, it is achieved removal process non-pollution discharge, has the multiple benefits of environmental protection, economic benefit and resource recycling simultaneously.
In order to better illustrate the electrolytic cell assembly of the acidity etching liquid recycling that this utility model embodiment provides, it is illustrated by the examples below.
Embodiment 1
The electrolytic cell assembly of a kind of acidity etching liquid recycling, including electrolysis bath, a piece of main anode, the inclined anode of two panels, two panels barrier film and two panels negative electrode, concrete structure is such as shown in Figure of description 1.Wherein, main anode is made up of the Titanium base of surface-coated molybdenum, the oxide of manganese, and negative electrode is Titanium board.
By the NaCl solution of 3% weight concentration as electrolyte, accessing DC current, anodic current density is set as 600A/m2, carrying out electrolysis at ambient temperature, the analysis oxygen electricity measuring anode is imitated more than 99%.The actual motion that this device carries out half a year is investigated, and after the operation time of experience 4500h, Oxygen anodic evolution electricity is imitated still greater than 48%, illustrates in electrolysis of aqueous chloride solution plastidome, it is possible to the significant precipitation suppressing chlorine.
Embodiment 2
The electrolytic cell assembly of embodiment 2, except main anode by surface-coated ruthenium, iridium, manganese the Titanium base of oxide constitute, miscellaneous part is identical with embodiment 1.
By the NaCl solution of 3% weight concentration as electrolyte, accessing DC current, anodic current density is set as 1300A/m2, carrying out electrolysis at ambient temperature, the analysis chlorine electricity measuring anode is imitated more than 68%, and analysis oxygen electricity effect is 32%.The actual motion this device carried out 1 year is investigated, and Oxygen anodic evolution electric current effect rises to 39%, illustrates in electrolysis of aqueous chloride solution plastidome, it is possible to the significant precipitation suppressing chlorine.
Embodiment 3
The electrolytic cell assembly of a kind of acidity etching liquid recycling, including electrolysis bath, a piece of main anode, the inclined anode of two panels, two panels barrier film and two panels negative electrode, concrete structure is such as shown in Figure of description 1.Wherein, main anode is made up of the Titanium base of surface-coated molybdenum, the oxide of manganese, and negative electrode is Titanium board.
In the electrolysis bath of Fig. 1, electrolysis PCB produces the etching solution after losing copper.Measuring free HCl concentration in etching solution is 2mol/L, and content of copper ion is 145g/L～105g/L, and wherein, the content of univalent copper ion is about 40-45g/L, and anodic current density is 400A/m2, cathode-current density regulates by changing the conductive area of negative electrode.Cathode-current density is at 200～450A/m2Between, in the excursion of this cathode-current density, negative electrode can obtain the fine and close copper deposition of light；At 300～400A/m2Between, with the existence of univalent copper ion, reduce the DC current efficiency calculated all close to 100% by the electro-deposition of bivalent cupric ion.When cathode-current density rises to 450A/m2Time above, now Cathode DC electric current efficiency drops to about 95%, during whole test, does not occur colored gas above electrolysis bath, also fails to smell penetrating odor.The etching solution gone out from anode region bleed after detection electrochemical test, univalent copper ion therein is all oxidized to bivalent cupric ion, and containing considerable amount of oxides of chlorine in solution, such as ClO-、ClO2 -、ClO3 -Deng, measure and obtain the oxidation-reduction potential of chlorine at 500-560mV, monovalence copper is had very strong oxidability, from anode region/the bleed etching solution that goes out in room enters and adds storage tank, it is possible to it is used for replacing the oxidant (such as sodium chlorate) required for etching production line.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all any amendment, equivalent replacement or improvement etc. made within spirit of the present utility model and principle, should be included within protection domain of the present utility model.
Claims (7)
1. an electrolytic cell assembly for acidity etching liquid recycling, including electrolysis bath, it is characterised in that: also include main anode, at least a piece of negative electrode, at least a piece of barrier film and at least a piece of inclined anode；
The cavity that described electrolysis bath is formed is separated into anode chamber and cathode chamber by described barrier film；Described main anode is arranged in described anode chamber；Described negative electrode is arranged in described cathode chamber；Described inclined anode is arranged in described anode chamber, is arranged in the interval folded by described main anode and described negative electrode；Described main anode, negative electrode, inclined anode and barrier film are parallel to each other between two, and described main anode, inclined anode and barrier film have interval between any two, have interval between described negative electrode and barrier film.
2. device as claimed in claim 1, it is characterised in that: described main anode includes main anode matrix and is attached to the metallic compound conductive layer of described main anode matrix surface.
3. device as claimed in claim 1, it is characterised in that: described inclined anode includes inclined anode substrate and is attached to the conductive layer on described inclined anode substrate surface；Or described inclined anode is graphite electrode.
4. the device as described in as arbitrary in claim 1-3, it is characterised in that: described main anode is tabular or netted or powder die-casting shape or cystose；And/or described inclined anode is tabular or netted or powder die-casting shape or cystose；And/or described barrier film is any one in asbestos diaphragm, composite diaphragm, anionic membrane.
5. the device as described in as arbitrary in claim 1-3, it is characterised in that: described main anode surface area be 1.0 times of described cathodic surface area and more than；And/or the 50%-150% that described inclined anode surface area is described main anode surface area.
6. the device as described in as arbitrary in claim 1-3, it is characterised in that: anode chamber's sidewall of described device offers etching waste liquor entrance, regenerated liquid outlet and convulsion air vent.
7. a system for acidity etching liquid recycling, including electrolytic cell assembly, it is characterised in that: described electrolytic cell assembly is provided by the arbitrary described device of claim 1～6.
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| CN201521080212.1U CN205347593U (en) | 2015-12-22 | 2015-12-22 | Acid etching solution recycle and regeneration's electrolytic cell assembly, system |
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| CN201521080212.1U CN205347593U (en) | 2015-12-22 | 2015-12-22 | Acid etching solution recycle and regeneration's electrolytic cell assembly, system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006859A (en) * | 2016-07-21 | 2016-10-12 | 宋玉琴 | Device and method for producing electrolytic water |
| CN114351147A (en) * | 2021-12-30 | 2022-04-15 | 广东臻鼎环境科技有限公司 | Full-automatic safe and efficient acid etching solution regeneration system for chlorine |
-
2015
- 2015-12-22 CN CN201521080212.1U patent/CN205347593U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006859A (en) * | 2016-07-21 | 2016-10-12 | 宋玉琴 | Device and method for producing electrolytic water |
| CN114351147A (en) * | 2021-12-30 | 2022-04-15 | 广东臻鼎环境科技有限公司 | Full-automatic safe and efficient acid etching solution regeneration system for chlorine |
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