CN205387593U - Acid etching waste liquid regeneration device - Google Patents
Acid etching waste liquid regeneration device Download PDFInfo
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- CN205387593U CN205387593U CN201521045607.8U CN201521045607U CN205387593U CN 205387593 U CN205387593 U CN 205387593U CN 201521045607 U CN201521045607 U CN 201521045607U CN 205387593 U CN205387593 U CN 205387593U
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- pipeline
- etching machine
- electrolysis bath
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- anode
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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
- 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
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Abstract
The utility model relates to an acid etching waste liquid regeneration device belongs to the environmental protection and handles and resources recovery technical field, include hydrochloric acid storage tank, etching machine and the electrolysis trough of constituteing by anode chamber and cathode chamber, the hydrochloric acid storage tank passes through the pipeline with the etching machine and links to each other, the etching machine passes through the pipeline with the anode chamber of electrolysis trough and cathode chamber respectively and links to each other, anode chamber and cathode chamber are separated through electrically conductive diaphragm, electrically conductive unfamiliar separation copper ion, acid etching waste liquid regeneration device, no chlorine is appeared, very big protection the environment, do benefit to and improve the electricity effect, do benefit to the fine and close adj. Tabular copper of negative pole output.
Description
Technical field
This utility model relates to a kind of regeneration device, particularly to a kind of regenerating waste acidic etching liquid reclamation set, belongs to environmental protection treatment and technical field of resource recovery.
Background technology
For a long time, existing numerous domestic enterprises make great efforts to develop regenerating waste acidic etching liquid reuse technology, and are widely used.Briefly, it is simply that the etching waste liquor exceeding finite concentration and losing etch capabilities is divided into two parts, is partly into electrolysis bath electrodeposition and obtains elemental copper, Resource recovery；Produce line defeated time after another part adds hydrochloric acid and oxidant, recycle.Above-mentioned is the process route of current main flow, but has the disadvantage that (1) is in electrolytic process, inherently produces chlorine at anode, and environmental hazard is serious；(2) containing large quantity of moisture after hydrochloric acid and oxidant, each interpolation all brings dilatation；(3) for stationary increment part, increment can only be entered electrolysis system, thus must by wherein copper ion electrodeposition to can discharge standard, along with the reduction of system copper ion, it is impossible to obtain high-quality densification tabular copper.
Such as Chinese invention patent " a kind of method of regenerated acidic etching solution and recovery copper and special purpose device thereof ", application number is 200910214606.4, disclose a kind of regenerated acidic etching solution and the method and apparatus reclaiming copper, electrolysis bath in electrochemical treatments is divided into anode chamber, medial compartment and cathode chamber, in order to avoid producing chlorine at anode, dilute sulfuric acid is held in anode chamber, copper-bath is held at cathode chamber, acidic etching waste liquid is directly entered medial compartment, after energising, copper ion at medial compartment enters into cathode chamber by cation exchange membrane, precipitating metal on minus plate.Although this device solves the precipitation of chlorine very well, but between room and room in base exchange process, hydrion can preferential copper ion migration, therefore the balance of cathode chamber copper ion is not ensured that, this structure can cause that between anode and cathode, die opening increases simultaneously, increasing electrodeposition power consumption, complicated structure also can increase the cost of equipment.
Utility model content
This utility model is in order that overcome the deficiencies in the prior art and provide a kind of regenerating waste acidic etching liquid reclamation set precipitating out, being beneficial to negative electrode output densification tabular copper without chlorine.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of regenerating waste acidic etching liquid reclamation set, including hydrochloric acid tank, etching machine and the electrolysis bath that is made up of anode chamber and cathode chamber；Described hydrochloric acid tank is connected by pipeline with etching machine；Described etching machine is connected by pipeline with the anode chamber of electrolysis bath and cathode chamber respectively；Described anode chamber and cathode chamber are separated by conductive diaphragm；Described conductive diaphragm intercepts copper ion.
Preferably, described anode is multistage series-mode frame, main electrode and at least one auxiliary electrode are in series；Gap is left between described each electrode.
Preferably, described electrode is plane or netted or stereo structure.
Preferably, described main electrode material is identical with auxiliary electrode material.
Preferably, described main electrode material is different with auxiliary electrode material.
Preferably, it is provided with fluid reservoir between described etching machine and electrolysis bath；Described etching machine is connected by pipeline with fluid reservoir；Described fluid reservoir is connected by pipeline with the anode chamber of electrolysis bath.
Preferably, it is provided with catholyte storage tank between described etching machine and electrolysis bath and adjusts tank；Described catholyte storage tank is connected by pipeline with the cathode chamber of electrolysis bath；Described adjustment tank is connected with the anode chamber of electrolysis bath；Described catholyte storage tank is connected by pipeline with adjusting tank；Described adjustment tank is connected by pipeline with etching machine.
Due to the utilization of technique scheme, this utility model compared with prior art has the advantage that
(1) conductive diaphragm is not through copper ion, decreases the anolyte anti-erosion to tough cathode, is beneficial to raising electricity effect.
(2) conductive diaphragm can make cathode and anode directly use high-concentration waste liquid, is beneficial to negative electrode output densification tabular copper.
(3) multistage tandem anode can make anode working voltage lower than analysis chlorine voltage under bigger electric current density, precipitate out without chlorine, under the premise not precipitating out chlorine, so both ensure that the anode Oxidation to univalent copper ion, make again negative electrode have enough areas and electric current density electrodeposition to produce elemental copper simultaneously.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Accompanying drawing 1 is the structural representation of regenerating waste acidic etching liquid reclamation set of the present utility model；
Accompanying drawing 2 is the anode construction schematic diagram of regenerating waste acidic etching liquid reclamation set of the present utility model；
Wherein: 1, hydrochloric acid tank；2, etching machine；3, anode chamber；4, cathode chamber；5, electrolysis bath；6, conductive diaphragm；7, fluid reservoir；8, catholyte storage tank；9, tank is adjusted；10, main electrode；11, auxiliary electrode.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Described in the utility model a kind of regenerating waste acidic etching liquid reclamation set as shown in Figure 1, including hydrochloric acid tank 1, etching machine 2 and the electrolysis bath 5 that is made up of anode chamber 3 and cathode chamber 4；Described hydrochloric acid tank 1 is connected by pipeline with etching machine 2；Described etching machine 2 is connected by pipeline with the anode chamber 3 of electrolysis bath 5 and cathode chamber 4 respectively；Described anode chamber 3 and cathode chamber 4 are separated by conductive diaphragm 6；Described conductive diaphragm 6 intercepts copper ion.
Above-mentioned regenerating waste acidic etching liquid reclamation set, best structure is: be provided with fluid reservoir 7 between described etching machine 2 and electrolysis bath 5；Described etching machine 2 is connected by pipeline with fluid reservoir 7；Described fluid reservoir 7 is connected by pipeline with the anode chamber 3 of electrolysis bath 5；It is provided with catholyte storage tank 8 between described etching machine 2 and electrolysis bath 5 and adjusts tank 9；Described catholyte storage tank 8 is connected by pipeline with the cathode chamber 4 of electrolysis bath 5；Described adjustment tank 9 is connected by pipeline with the anode chamber 3 of electrolysis bath 5；Described catholyte storage tank 8 is connected by pipeline with adjusting tank 9；Described adjustment tank 9 is connected by pipeline with etching machine 2.
Above-mentioned regenerating waste acidic etching liquid reclamation set, its work process is: the etching solution losing etch capabilities is called etching waste liquor, the etching waste liquor that etching machine 2 produces enters anode chamber 3 and the cathode chamber 4 of electrolysis bath 5 after overflow to fluid reservoir 7 is collected, after setting process conditions electrolysis, in anode chamber 3, oxidation generates high ORP value anolyte, tough cathode and low copper levels catholyte is then obtained at cathode chamber 4, anolyte flows into and adjusts tank 9, catholyte flows into after flowing into catholyte storage tank 8 again and adjusts tank 9, after anolyte and catholyte mix in adjustment tank 9, obtain bivalent cupric ion content and ORP meets the regeneration etching solution that etching requires, return etching machine 2, after hydrochloric acid tank 1 adds hydrochloric acid to etching machine 2, repeat said process.
Above-mentioned regenerating waste acidic etching liquid reclamation set, oxidant can be without, and hydrochloric acid consumption is little；Owing to conductive diaphragm 6 intercepts copper ion, it is not through copper ion, decreases the anolyte anti-erosion to tough cathode, be beneficial to raising electricity effect；And conductive diaphragm 6 can make cathode and anode directly use high-concentration waste liquid, it is beneficial to negative electrode output densification tabular copper.
In above-mentioned regenerating waste acidic etching liquid reclamation set, described anode is multistage series-mode frame, main electrode 10 and at least one auxiliary electrode 11 are in series；Gap is left between described each electrode.Anode as shown in Figure 2 is in series by main electrode 10 and 4 auxiliary electrodes 11.Multistage tandem anode can make anode working voltage lower than analysis chlorine voltage under bigger electric current density, precipitate out without chlorine, under the premise not precipitating out chlorine, so both ensure that the anode Oxidation to univalent copper ion, make again negative electrode have enough areas and electric current density electrodeposition to produce elemental copper simultaneously.
Above-mentioned multistage tandem anode, described electrode is plane or netted or stereo structure.
Above-mentioned multistage tandem anode, described main electrode 10 material can be identical with auxiliary electrode 11 material, it is also possible to different.
Regenerating waste acidic etching liquid reclamation set described in the utility model, precipitates out without chlorine, protects environment greatly.
Below it is only concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.The technical scheme that all employing equivalents or equivalence are replaced and formed, all falls within this utility model rights protection scope.
Claims (7)
1. a regenerating waste acidic etching liquid reclamation set, it is characterised in that: include hydrochloric acid tank, etching machine and the electrolysis bath being made up of anode chamber and cathode chamber；Described hydrochloric acid tank is connected by pipeline with etching machine；Described etching machine is connected by pipeline with the anode chamber of electrolysis bath and cathode chamber respectively；Described anode chamber and cathode chamber are separated by conductive diaphragm；Described conductive diaphragm intercepts copper ion.
2. regenerating waste acidic etching liquid reclamation set according to claim 1, it is characterised in that: described anode is multistage series-mode frame, main electrode and at least one auxiliary electrode are in series；Gap is left between described each electrode.
3. regenerating waste acidic etching liquid reclamation set according to claim 2, it is characterised in that: described electrode is plane or netted or stereo structure.
4. regenerating waste acidic etching liquid reclamation set according to claim 2, it is characterised in that: described main electrode material is identical with auxiliary electrode material.
5. regenerating waste acidic etching liquid reclamation set according to claim 2, it is characterised in that: described main electrode material is different with auxiliary electrode material.
6. regenerating waste acidic etching liquid reclamation set according to claim 1, it is characterised in that: it is provided with fluid reservoir between described etching machine and electrolysis bath；Described etching machine is connected by pipeline with fluid reservoir；Described fluid reservoir is connected by pipeline with the anode chamber of electrolysis bath.
7. regenerating waste acidic etching liquid reclamation set according to claim 6, it is characterised in that: it is provided with catholyte storage tank between described etching machine and electrolysis bath and adjusts tank；Described catholyte storage tank is connected by pipeline with the cathode chamber of electrolysis bath；Described adjustment tank is connected with the anode chamber of electrolysis bath；Described catholyte storage tank is connected by pipeline with adjusting tank；Described adjustment tank is connected by pipeline with etching machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521045607.8U CN205387593U (en) | 2015-12-15 | 2015-12-15 | Acid etching waste liquid regeneration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521045607.8U CN205387593U (en) | 2015-12-15 | 2015-12-15 | Acid etching waste liquid regeneration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205387593U true CN205387593U (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521045607.8U Expired - Fee Related CN205387593U (en) | 2015-12-15 | 2015-12-15 | Acid etching waste liquid regeneration device |
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| Country | Link |
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| CN (1) | CN205387593U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906489A (en) * | 2015-12-22 | 2017-06-30 | 深圳市洁驰科技有限公司 | The electrolytic cell assembly of acidity etching liquid recycling, system and application |
-
2015
- 2015-12-15 CN CN201521045607.8U patent/CN205387593U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106906489A (en) * | 2015-12-22 | 2017-06-30 | 深圳市洁驰科技有限公司 | The electrolytic cell assembly of acidity etching liquid recycling, system and application |
| CN106906489B (en) * | 2015-12-22 | 2019-06-18 | 深圳市洁驰科技有限公司 | Electrolytic cell assembly, system and the application of acidity etching liquid recycling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160720 Termination date: 20181215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |