CN106757155A - A kind of measuring method of bath voltage - Google Patents
A kind of measuring method of bath voltage Download PDFInfo
- Publication number
- CN106757155A CN106757155A CN201611176628.2A CN201611176628A CN106757155A CN 106757155 A CN106757155 A CN 106757155A CN 201611176628 A CN201611176628 A CN 201611176628A CN 106757155 A CN106757155 A CN 106757155A
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- Prior art keywords
- voltage
- accurate
- measurement
- plate
- measuring method
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/16—Electrolytic production, recovery or refining of metals by electrolysis of solutions of zinc, cadmium or mercury
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
The present invention relates to non-ferrous metal technical field of wet metallurgy, specifically a kind of measuring method of bath voltage；Comprise the following steps for：Step (1), match somebody with somebody liquid again using the concentrated sulfuric acid, sulfuric acid concentration is 140-200g/L, makes liquid pure, then corroding cathode plate, reaches the effect for not damaging minus plate；Step (2), the plate face crystallization of cleaning anode do not hurt the lead oxide film of anode plate surface；Step (3), accurate measurement bath voltage, in measurement, are accurate to the tank voltage of each groove of each series, the column voltage of each row, and the measurement to central point, the accurate change for grasping tank voltage, us is accurately searched drain conditions according to measurement result；The present invention can not only substantially reduce tank voltage, and be greatly reduced the consumption of cathode-anode plate, and the present invention has prevented short board, accomplish, practical per kilowatt-hour maximum, to be preferably minimized cost loss.
Description
Technical field
The present invention relates to non-ferrous metal technical field of wet metallurgy, specifically a kind of measuring method of bath voltage.
Background technology
The process of the electro deposited zinc of solution of zinc sulfate is：By purified good solution of zinc sulfate (new liquid) successively
Ground does positive plate from the liquid feeding end feeding electrolytic cell of electrolytic cell with pb-ag alloy plate (argentiferous 1%), and extruded aluminum plate does negative electrode, hangs
Hang in groove, when logical direct current, precipitating metal zinc (claim cathode zinc or separate out zinc) has a small amount of hydrogen to release on negative electrode, in sun
Extremely go up and then release oxygen.New Zinc content in electrolyte amount in injection groove is gradually decreased, and sulfuric acid content gradually increases.By after electrolysis
45~55g/L of Zinc content in electrolyte, 150~180g/L of sulfur acid, constantly discharge from the overfall of electrolytic cell, and the liquid is referred to as useless electricity
Solution liquid, abbreviation waste liquid is partly sent to leaching operation and makees solvent, and major part mixes with new liquid be re-fed into electrolytic cell after cooling.
(general 24h) proposes minus plate after electrodeposition certain hour, precipitation zinc is stripped down be sent to founding operation by artificial means.
The cathode aluminum plate for peelling off zinc reinstalls electrolytic cell and is continuing with.
Basic electrochemical reaction：
Anode reaction：H2O→H++OH- 2OH—- 2e=H2O+1/2O2↑
Cathode reaction：Zn2++ 2e=Zn
Overall reaction：ZnSO4+H2O=Zn+H2SO4+1/2O2↑
Also there is following reaction simultaneously in anode reaction:
4MnSO4+6H2O+5O2=4HMnO4+4H2SO4
4MnO4 —+6MnSO4+6H2O=10MnO2↓+6H2SO4+O2
Zinc electrolysis are deposited as last procedure of hydrometallurgy, there is rigorous operation standard, according to wanting for company
Ask, in the production status fluctuation of present big system fluorine high, chlorine high, magnesium high, how to keep yield not subtract, unit dc consumption is not
Height, index does not drop, and is the key element first of potroom.This fluctuation has badly influenced the technique adjustment of potroom, because
This is for the unit consumption standard specified no more than company, and optimization operation is imperative.
The shortcoming of prior art：Workshop electric amount is set seriously to increase, cathode-anode plate loss is serious, tank voltage Continued
Line.
The content of the invention
It is an object of the invention to provide a kind of measuring method of bath voltage.
To achieve the above object, the present invention provides following technical scheme：
A kind of measuring method of bath voltage, comprise the following steps for：
Step (1), using the concentrated sulfuric acid again match somebody with somebody liquid, sulfuric acid concentration be 140-200g/L, make liquid pure, then corrode the moon
Pole plate, reaches the effect for not damaging minus plate；
Step (2), the plate face crystallization of cleaning anode do not hurt the lead oxide film of anode plate surface；
Step (3), accurate measurement bath voltage, in measurement, are accurate to the tank voltage of each groove of each series, often
The column voltage of one row, and the measurement to central point, the accurate change for grasping tank voltage, make us accurately look into according to measurement result
Look for drain conditions.
Further, the accurate filtering of row is first dissolved into zinc sulfate neutrality supernatant using Sean filter in step (1), makes essence
Really the solution solids suspension content of filtering is less than 50mg/L.
Further, described solution of zinc sulfate is solid suspension：800-2000mg/L、Cu：0.4-1.0g/L、Cd：
0.4-1.2g/L、Co：1.0-5.0mg/L, pH value：The solution of 5.0-5.4.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can not only substantially reduce tank voltage, and
The consumption of cathode-anode plate is greatly reduced, the present invention has prevented short board, accomplish, practical per kilowatt-hour maximum, to damage cost
Consumption is preferably minimized, the concentrated sulfuric acid concentration appropriateness for using, and can well protect minus plate.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the reality in the present invention
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
In the scope of protection of the invention.
A kind of measuring method of bath voltage, comprise the following steps for：
Step (1), using the concentrated sulfuric acid again match somebody with somebody liquid, sulfuric acid concentration be 140-200g/L, make liquid pure, then corrode the moon
Pole plate, reaches the effect for not damaging minus plate；
Step (2), the plate face crystallization of cleaning anode do not hurt the lead oxide film of anode plate surface；
Step (3), accurate measurement bath voltage, in measurement, are accurate to the tank voltage of each groove of each series, often
The column voltage of one row, and the measurement to central point, the accurate change for grasping tank voltage, make us accurately look into according to measurement result
Look for drain conditions.
Further, the accurate filtering of row is first dissolved into zinc sulfate neutrality supernatant using Sean filter in step (1), makes essence
Really the solution solids suspension content of filtering is less than 50mg/L.
Further, described solution of zinc sulfate is solid suspension：800-2000mg/L、Cu：0.4-1.0g/L、Cd：
0.4-1.2g/L、Co：1.0-5.0mg/L, pH value：The solution of 5.0-5.4.
Technical scheme reduction cathode-anode plate because fluorine high in system, chlorine high and shorten use longevity of anode and cathode
Life, is also exactly in the case of accomplishing the lead oxide film for not injuring anode plate surface when the crystallization of anode plate face is cleared up, plate face
The earth of positive pole is cleaned out, and positive plate is discharged well.Prevent short-circuit version, accomplish that every kilowatt-hour maximum is practical,
Cost loss is preferably minimized.
Additionally, accurately measuring tank voltage, make us in measurement, be accurate to the tank voltage of each groove of each series,
The column voltage of each row, and the measurement to central point, the accurate change for grasping tank voltage, make us more accurate according to measurement result
True lookup electric leakage.
Cleaned filtrate is accurately filtered with Sean filter in time in the present invention, is removed a small amount of filter slag, from
The cadmium metal eliminated in root in filter residue is dissolved into filtrate, ensures that purification filtering solution can for a long time meet new liquid
Quality criteria requirements.
Table one：Tank voltage contrast table (part slot number) (unit of each column：V)
Note：This table is part tank voltage contrast.Thus show that the present invention can not only substantially reduce tank voltage, and
Greatly reduce the consumption of cathode-anode plate.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (3)
1. a kind of measuring method of bath voltage, it is characterised in that comprise the following steps for：
Step (1), match somebody with somebody liquid again using the concentrated sulfuric acid, sulfuric acid concentration is 140-200g/L, makes liquid pure, then corroding cathode plate,
Reach the effect for not damaging minus plate；
Step (2), the plate face crystallization of cleaning anode do not hurt the lead oxide film of anode plate surface；
Step (3), accurate measurement bath voltage, in measurement, are accurate to the tank voltage of each groove of each series, Mei Yilie
Column voltage, and the measurement to central point, the accurate change for grasping tank voltage makes us accurately search Lou according to measurement result
Electric situation.
2. the measuring method of a kind of bath voltage according to claim 1, it is characterised in that using west in step (1)
Grace filter first dissolves into the accurate filtering of row to zinc sulfate neutrality supernatant, is less than the solution solids suspension content of accurate filtering
50mg/L。
3. a kind of measuring method of bath voltage according to claim 2, it is characterised in that described solution of zinc sulfate
It is solid suspension：800-2000mg/L、Cu：0.4-1.0mg/L、Cd：0.4-1.2mg/L、Co：1.0-5.0mg/L, pH value：
The solution of 5.0-5.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611176628.2A CN106757155A (en) | 2016-12-19 | 2016-12-19 | A kind of measuring method of bath voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611176628.2A CN106757155A (en) | 2016-12-19 | 2016-12-19 | A kind of measuring method of bath voltage |
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| Publication Number | Publication Date |
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| CN106757155A true CN106757155A (en) | 2017-05-31 |
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| CN201611176628.2A Pending CN106757155A (en) | 2016-12-19 | 2016-12-19 | A kind of measuring method of bath voltage |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001044796A1 (en) * | 1999-12-15 | 2001-06-21 | Board Of Trustees Of The Leland Stanford Junior University | Carbon nanotube devices |
| CN103194600A (en) * | 2013-04-23 | 2013-07-10 | 吴鋆 | Method for purifying zinc sulfide solution |
| CN105568317A (en) * | 2015-12-31 | 2016-05-11 | 株洲冶炼集团股份有限公司 | High-grade zinc electrolysis preparing method and application thereof |
| CN105586496A (en) * | 2016-03-29 | 2016-05-18 | 河南国玺超纯金属材料有限公司 | Process for industrial production of high-purity zinc |
| CN105603186A (en) * | 2016-01-24 | 2016-05-25 | 李家元 | Technology for efficiently and selectively separating zinc in zinc sulfide concentrate |
-
2016
- 2016-12-19 CN CN201611176628.2A patent/CN106757155A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001044796A1 (en) * | 1999-12-15 | 2001-06-21 | Board Of Trustees Of The Leland Stanford Junior University | Carbon nanotube devices |
| CN103194600A (en) * | 2013-04-23 | 2013-07-10 | 吴鋆 | Method for purifying zinc sulfide solution |
| CN105568317A (en) * | 2015-12-31 | 2016-05-11 | 株洲冶炼集团股份有限公司 | High-grade zinc electrolysis preparing method and application thereof |
| CN105603186A (en) * | 2016-01-24 | 2016-05-25 | 李家元 | Technology for efficiently and selectively separating zinc in zinc sulfide concentrate |
| CN105586496A (en) * | 2016-03-29 | 2016-05-18 | 河南国玺超纯金属材料有限公司 | Process for industrial production of high-purity zinc |
Non-Patent Citations (1)
| Title |
|---|
| 祁丽之等: "《湿法炼锌》", 31 January 1960, 冶金工业出版社 * |
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Application publication date: 20170531 |