CN108441675A - A kind of new zinc anode for electrolysis alloy material and its low-loss preparation method - Google Patents
A kind of new zinc anode for electrolysis alloy material and its low-loss preparation method Download PDFInfo
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- CN108441675A CN108441675A CN201810407448.3A CN201810407448A CN108441675A CN 108441675 A CN108441675 A CN 108441675A CN 201810407448 A CN201810407448 A CN 201810407448A CN 108441675 A CN108441675 A CN 108441675A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C11/00—Alloys based on lead
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
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- 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
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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
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Abstract
The present invention discloses a kind of new zinc anode for electrolysis alloy material and its low-loss preparation method.The composition of alloy material meets general formula：PbaAgbCacSrdREeCof, each alloying element mass percent is in formula：The a of 0.01%≤b≤0.5%, 0.01%≤c≤0.5%, 0.01%≤d≤0.2%, 0.01%≤e≤0.3%, 0.01%≤f≤0.3% and surplus.Preparation method includes：By 20 ± 2 times of stocks of Sr, RE, Co content ratio in alloy material, lead is warming up to 700 or so indentation stock 20 ± 5min of melting, and cast to obtain intermediate alloy A；By 20 ± 2 times of stocks of Ca content ratios in alloy material, lead is stablized in 550 or so indentation stocks, and cast to obtain intermediate alloy B after reaction；Lead is stablized in 550 or so rear addition Ag, intermediate alloy A and B, and 580 DEG C or so alloy sheets ingot castings of casting to obtain are warming up to after reaction.
Description
Technical field
The invention belongs to nonferrous metallurgy field of material technology, and in particular to one kind having at low cost, corrosion resistance and good, strong
The high new zinc anode for electrolysis alloy material of degree and rigidity height, pole plate long lifespan, the rare element casting yield of addition and its low
Preparation method is lost.
Background technology
Zinc electrolysis deposition (electro winning of zinc) refers to using insoluble anode, is made under direct current electro ultrafiltration
Zinc in zinc sulphate electrolyte is deposited on the process on cathode, is the important component of flowsheet of wet zinc smelting, is zinc hydrometallurgy
One most of operation of power consumption.In the prior art, zinc electrolysis deposition anode plate material is generally the lead silver of argentiferous 0.5% ~ 1%
Bianry alloy.
Pole plate is referred to as Zinc electrolysis process " heart ", the quality of performance to the comprehensive energy consumption of zinc abstraction technique, be produced into
This and product quality important act on.Lead silver bianry alloy anode production technology is ripe, consistent；It is convenient after scrapping
Recycle, metal loss is little, be it is long-term in current colored metallurgical industrial since the anode material that uses always.But lead silver two
There is also following problems in use for first alloy anode：Existing alloy plate strength is low, is easy to happen in use
Flexural deformation leads to occur short circuit phenomenon in electrolytic cell, and current efficiency declines；Secondly, lead silver alloy anode use exists in the process
The brown lead oxide film formed on the surface of lead combined with lead base body it is insecure, and film layer be it is loose porous, it is not fine and close.It was electrolysed
Cheng Zhong, anion in electrolyte or hydrone readily penetrate through the brown lead oxide film layer etched the matrix lead of surface porosity, matrix
Brown lead oxide film is split away off from matrix after dissolving, while the lead being dissolved down from matrix enters cathode, causes finally to produce
Product purity reduces, while tank voltage can also increase, and power consumption is caused to increase；In addition, the additive amount of noble silver is big, produce and use
It is of high cost.Currently, also have using Pb-Ag-Ca ternary alloy three-partalloys as anode plate material, but the additive amount of wherein Ag compares lead silver two
There is no much variations for first alloy, therefore cost is still higher；Also having reduces the additive amount of Ag in order to reduce cost, but meeting
The electric conductivity of pole plate is caused to be greatly reduced；In addition, Pb-Ag-Ca ternary alloy three-partalloys are in order to enhance the mechanical strength of pole plate, wherein Ca
Content it is higher, but with the growth of pole plate usage time, in pole plate the reduction of Ca elements can lead to pole plate performance rapid decrease.
Invention content
The first object of the present invention is to provide a kind of at low cost, corrosion resistance and good, strength and stiffness height, pole plate
The new zinc anode for electrolysis alloy material of long lifespan；Second, which is designed to provide a kind of novel zinc electrolysis of the first purpose of realization, uses
The low-loss preparation method of anode alloy materials.
What the first object of the present invention was realized in：The composition of the anode alloy materials meets general formula：
PbaAgbCacSrdREeCof, a, b, c, d, e, f indicate the mass percent of corresponding alloying element respectively in formula, wherein：0.01%
≤ b≤0.5%, 0.01%≤c≤0.5%, 0.01%≤d≤0.2%, 0.01%≤e≤0.3%, 0.01%≤f≤0.3% and surplus
a。
The anode alloy materials of the present invention add the alloy of Sr, RE and Co element based on Pb-Ag-Ca, and each element exists
Effect in the present invention is summarized as follows：
Ca：Mechanical strength can be improved；
Ag：Easily in subgrain and grain boundaries segregation, crystal boundary and branch grain boundary area improve mechanical strength and creep resistant are strong more resistant to corrosion
Degree, but effect is limited, can promote the formation of dense oxide film layer；
Sr：The peeling quantity of oxide can be reduced, therefore the service life of anode can be extended, improves the purity of cathode product；
RE：Crystal grain thinning reduces corrosion, reduces PbO2The resistivity of superficial film；
Co：Catalysis oxygen evolution reaction reduces anodic attack to reduce anodic overpotential, inhibits PbSO4It is formed, the oxygen that surface is formed
Change film it is thinner, in conjunction with more firm.
What the second object of the present invention was realized in：Prepared by intermediate alloy A, prepared by intermediate alloy B, anode alloy materials
Preparation process is as follows：
A, prepared by intermediate alloy A：Subject alloy content is added by the ratio equal proportion of Sr, RE, Co content in anode alloy materials
20 ± 2 times of each elements amount stock, take the heating fusing of a certain amount of lead that deslagging agent deslagging and degasification is added, be continuously heating to 700
± 10 DEG C, the calloy that alloy gross mass 0.5%~2% is added cooks protective agent, then uses bell jar the standby of above-mentioned Sr, RE, Co
Material is pressed into 20 ± 5min of melting in aforementioned lead liquid, takes out bell jar and increases slag hitting after heating power stirring 15min, casts and be made intermediate
Alloy A；
B, prepared by intermediate alloy B：It is added the 20 ± 2 of subject alloy content by the ratio equal proportion of Ca contents in anode alloy materials
The amount stock of times each element, after taking a certain amount of lead heating fusing that deslagging agent deslagging and degasification is added, stablize lead liquid temperature 550 ±
10 DEG C, then the stock of above-mentioned Ca is pressed into aforementioned lead liquid with bell jar and is reacted, is beaten with the stirring of bell jar short time after the reaction was complete
Slag casts and intermediate alloy B is made；
C, prepared by anode alloy materials：It takes a certain amount of lead to be warming up to 550 ± 10 DEG C, deslagging agent deslagging and degasification is added, stablize lead
Liquid temperature is at 550 ± 10 DEG C, by element in the content and intermediate alloy A of each element in the anode alloy materials, intermediate alloy B
Content, sequentially add suitable Ag, intermediate alloy A and intermediate alloy B, after complete reaction use the bell jar short time stirring beat
Slag is warming up to 580 ± 10 DEG C and is cast into alloy sheets ingot casting.
The present invention has the advantages that compared with prior art：
1, on the one hand anode alloy materials of the invention reduce former Pb-Ag-Ca ternarys and close by adding the elements such as Sr, RE, Co
The additive amount of Ag in gold substantially reduces pole plate cost, while the electric conductivity of pole plate is not substantially reduced；On the other hand,
The content for reducing Ca in former Pb-Ag-Ca ternary alloy three-partalloys pole plate, make with pole plate usage time growth calcium constituent reduce to
The phenomenon that causing pole plate performance to decline, is alleviated, and the stability of pole plate performance is maintained；In addition, Sr, RE, Co trace element
The microscopic structure of original Pb-Ag-Ca ternary alloy three-partalloys can be improved by being added, and to reduce anodic overpotential, enhance pole plate corrosion resistance,
The electrolytic environments of zinc electrolysis deposition are effectively improved, are all significantly increased in terms of electric energy efficiency and zinc product quality.
2, in anode alloy materials preparation method of the invention, since added alloying element majority is infusibility or easy scaling loss
Element, the present invention propose that preparing the method for intermediate alloy A, B respectively reduces the scaling loss of each element during alloy preparation with this；
Since the addition temperature of Ca adds temperature, and Ca easily scaling loss less than Sr, RE, Co element, when Ca is prepared together with Sr, RE, Co
When five yuan of intermediate alloys of Pb, the burn out rate of Ca elements is very big, while excessive oxidation lead skim can further decrease Sr, RE, Co member
Element casting yield, to increase control each element content difficulty on the basis of increase material cost.
The casting yield of anode alloy materials preparation method each element when preparing intermediate alloy A, B of the present invention is all 85%
More than, the casting yield of each element integrates 80% or more casting yield all 95% or more when preparing subject alloy by intermediate alloy.
Specific implementation mode
With reference to embodiment, the present invention is further illustrated, but is not limited in any way to the present invention,
Based on present invention teach that made by any changes and modifications, all belong to the scope of protection of the present invention.
The new zinc anode for electrolysis alloy material of the present invention, the composition of the anode alloy materials meet general formula：
PbaAgbCacSrdREeCof, a, b, c, d, e, f indicate the mass percent of corresponding alloying element respectively in formula, wherein：0.01%
≤ b≤0.5%, 0.01%≤c≤0.5%, 0.01%≤d≤0.2%, 0.01%≤e≤0.3%, 0.01%≤f≤0.3% and surplus
a。
The range of described c, d, e is respectively：0.05%≤c≤0.1%, 0.02%≤d≤0.05%, 0.02%≤e≤0.05%.
The low-loss preparation method of the new zinc anode for electrolysis alloy material of the present invention, including intermediate alloy A prepare, in
Between alloy B prepare, anode alloy materials preparation process, be as follows：
A, prepared by intermediate alloy A：Subject alloy content is added by the ratio equal proportion of Sr, RE, Co content in anode alloy materials
20 ± 2 times of each elements amount stock, take the heating fusing of a certain amount of lead that deslagging agent deslagging and degasification is added, be continuously heating to 700
± 10 DEG C, the calloy that alloy gross mass 0.5%~2% is added cooks protective agent, then uses bell jar the standby of above-mentioned Sr, RE, Co
Material is pressed into 20 ± 5min of melting in aforementioned lead liquid, takes out bell jar and increases slag hitting after heating power stirring 15min, casts and be made intermediate
Alloy A；
B, prepared by intermediate alloy B：It is added the 20 ± 2 of subject alloy content by the ratio equal proportion of Ca contents in anode alloy materials
The amount stock of times each element, after taking a certain amount of lead heating fusing that deslagging agent deslagging and degasification is added, stablize lead liquid temperature 550 ±
10 DEG C, then the stock of above-mentioned Ca is pressed into aforementioned lead liquid with bell jar and is reacted, is beaten with the stirring of bell jar short time after the reaction was complete
Slag casts and intermediate alloy B is made；
C, prepared by anode alloy materials：It takes a certain amount of lead to be warming up to 550 ± 10 DEG C, deslagging agent deslagging and degasification is added, stablize lead
Liquid temperature is at 550 ± 10 DEG C, by element in the content and intermediate alloy A of each element in the anode alloy materials, intermediate alloy B
Content, sequentially add suitable Ag, intermediate alloy A and intermediate alloy B, after complete reaction use the bell jar short time stirring beat
Slag is warming up to 580 ± 10 DEG C and is cast into alloy sheets ingot casting.
It is 550 that deslagging agent deslagging and the warming temperature of degasification, which is added, in lead heating fusing in the step A and/or step B
±20℃。
Deslagging agent in the step A, step B and/or step C is the ammonium chloride or hydrogen of alloy gross mass 0.1%~0.3%
Sodium oxide molybdena.
Degasification in the step A, step B and/or step C is nitrogen to be passed through into lead liquid or inert gas carrys out degasification.
Sr, RE and Co stock in the step A is wrapped up with aluminium foil and uses bell jar in company in aluminium foil indentation lead liquid respectively.
Medium frequency induction melting furnace melting is used in the step A, step B and/or step C.
Embodiment 1
1, it takes Sr, RE, Co of 2kg, 1kg, 0.5kg to be wrapped up with aluminium foil respectively spare, 200kg lead is taken to be put into medium frequency induction melting furnace
Crucible in and be warming up to 550 DEG C ± 20 DEG C, the sodium hydroxide that alloy gross mass 0.3% is added removes the gred and is passed through nitrogen degasification, so
After be continuously heating to 700 ± 10 DEG C, the calloy that alloy gross mass 0.5% is added cooks protective agent, and aluminium foil is wrapped with bell jar
Sr, RE, Co raw material indentation lead liquid in melting 15min, take out bell jar increase heating power stirring 15min after slag hitting, finally pour
The content that Sr, RE, Co in intermediate alloy A, A is made in casting is respectively 0.83wt%, 0.41wt%, 0.20wt%.
2, it takes the calcium block of 5kg spare, 200kg lead is taken to be put into medium frequency induction melting furnace crucible and is warming up to 550 ± 20 DEG C,
The sodium hydroxide that alloy gross mass 0.3% is added removes the gred and is passed through nitrogen degasification, then stablizes lead liquid temperature at 550 DEG C, uses bell jar
Above-mentioned calcium block raw material is pressed into lead liquid and is reacted, uses the bell jar short time to stir slag hitting after complete reaction, during finally casting is made
Between in alloy B, B Ca contents be 2.12wt%.
3, it takes 360kg lead to be put into medium frequency induction melting furnace crucible and is warming up to 550 ± 10 DEG C, addition alloy gross mass
0.3% sodium hydroxide removes the gred and is passed through nitrogen degasification, then stablize lead liquid temperature at 540 DEG C, be separately added into 1.2kg Ag and
Intermediate alloy A, the intermediate alloy B of each 20kg uses the bell jar short time to stir slag hitting, is warming up to 580 ± 10 DEG C after complete reaction
It is cast into the alloy sheets ingot casting of predetermined size.In aforementioned alloy sheets ingot casting the content of each Ag, Ca, Sr, RE, Co be respectively element at
Divide 0.3wt%, 0.11wt%, 0.044wt%, 0.019wt%, 0.04wt%.
4, above-mentioned alloy sheets ingot rolling is obtained and is worked into the anode of required size and structure, anode intensity up to 42MPa,
Conductivity is 7.9%IACS, hardness 7.14HB.
After anode plate is made, tank voltage 3.285V in electrolytic cell, current efficiency is up to 91%, lead content in electrolytic zinc
0.0015w%, power consumption 2958kWh/tZn.
Embodiment 2
1, it takes Sr, RE, Co of 3kg, 1.5kg, 0.8kg to be wrapped up with aluminium foil respectively spare, 200kg lead is taken to be put into Medium frequency induction melting
In the crucible of stove and it is warming up to 500 DEG C ± 20 DEG C, the ammonium chloride that alloy gross mass 0.1% is added removes the gred and is passed through argon gas degasification, so
After be warming up to 700 ± 10 DEG C, the calloy that alloy gross mass 2% is added cooks protective agent, aluminium foil is wrapped with bell jar Sr,
RE, Co raw material are pressed into melting 25min in lead liquid, take out bell jar and increase slag hitting after heating power stirring 15min, finally casting is made
The content of Sr, RE, Co are respectively 1.22wt%, 0.79wt%, 0.42wt% in intermediate alloy A, A.
2, it takes the calcium block of 7.5kg spare, 200kg lead is taken to be put into medium frequency induction melting furnace crucible and is warming up to 550 ± 20
DEG C, the ammonium chloride that alloy gross mass 0.1% is added removes the gred and is passed through argon gas degasification, then stablizes lead liquid temperature at 560 DEG C, uses clock
Cover, which is pressed into above-mentioned calcium block raw material in lead liquid, to react, and uses the bell jar short time to stir slag hitting after complete reaction, and finally casting is made
Ca contents are 3.01wt% in intermediate alloy B, B.
3, it takes 372kg lead to be put into medium frequency induction melting furnace crucible and is warming up to 550 ± 10 DEG C, addition alloy gross mass
0.1% ammonium chloride removes the gred and is passed through argon gas degasification, then stablizes lead liquid temperature at 560 DEG C, is separately added into the Ag of 1.2kg and each
Intermediate alloy A, the intermediate alloy B of 14kg uses the bell jar short time to stir slag hitting, is warming up to 580 ± 10 DEG C and pours after complete reaction
Cast the alloy sheets ingot casting of predetermined size.The content of each Ag, Ca, Sr, RE, Co are respectively elemental composition in aforementioned alloy sheets ingot casting
0.3wt%、0.09wt%、0.043wt%、0.020wt%、0.04wt%。
4, by above-mentioned alloy sheets ingot rolling and be worked into the anode of required size and structure, anode intensity up to 42MPa, lead
Electric rate is 7.7%IACS, hardness 8.24HB.
After anode plate is made, tank voltage 3.297V in electrolytic cell, current efficiency is up to 90%, lead content in electrolytic zinc
0.0015w%, power consumption 2998kWh/tZn.
Embodiment 3
1, it takes Sr, RE, Co of 2kg, 1kg, 0.5kg to be wrapped up with aluminium foil respectively spare, 200kg lead is taken to be put into medium frequency induction melting furnace
Crucible in and be warming up to 500 DEG C ± 20 DEG C, the ammonium chloride that alloy gross mass 0.2% is added removes the gred and is passed through helium degasification, then
It is warming up to 700 ± 10 DEG C, the calloy that alloy gross mass 1% is added cooks protective agent, aluminium foil is wrapped with bell jar Sr, RE,
Co raw materials are pressed into melting 20min in lead liquid, take out bell jar and increase slag hitting after heating power stirring 15min, during finally casting is made
Between in alloy A, A the content of Sr, RE, Co be respectively 0.83wt%, 0.41wt%, 0.20wt%.
2, it takes the calcium block of 5kg spare, 200kg lead is taken to be put into medium frequency induction melting furnace crucible and is warming up to 550 ± 20 DEG C,
The ammonium chloride that alloy gross mass 0.2% is added removes the gred and is passed through helium degasification, then stablizes lead liquid temperature at 540 DEG C, with bell jar handle
It is reacted in above-mentioned calcium block raw material indentation lead liquid, uses the bell jar short time to stir slag hitting after complete reaction, finally casting is made intermediate
Ca contents are 2.12wt% in alloy B, B.
3, it takes 370kg lead to be put into medium frequency induction melting furnace crucible and is warming up to 550 ± 10 DEG C, addition alloy gross mass
0.2% ammonium chloride removes the gred and is passed through helium degasification, then stablizes lead liquid temperature at 550 DEG C, is separately added into the Ag of 1.2kg and each
Intermediate alloy A, the intermediate alloy B of 15kg uses the bell jar short time to stir slag hitting, is warming up to 580 ± 10 DEG C and pours after complete reaction
Cast the alloy sheets ingot casting of predetermined size.The content of each Ag, Ca, Sr, RE, Co are respectively elemental composition in aforementioned alloy sheets ingot casting
0.3wt%、0.077wt%、0.031wt%、0.011wt%、0.03wt%。
4, above-mentioned alloy sheets ingot rolling is obtained and is worked into the anode of required size and structure, anode intensity reaches
39.4MPa, conductivity 8.05%IACS, hardness 7.11HB.
After anode plate is made, tank voltage 3.249V in electrolytic cell, current efficiency is up to 91%, lead content in electrolytic zinc
0.0015wt%, power consumption 2949kWh/tZn.
Claims (8)
1. a kind of new zinc anode for electrolysis alloy material, it is characterised in that the composition of the anode alloy materials meets general formula：
PbaAgbCacSrdREeCof, a, b, c, d, e, f indicate the mass percent of corresponding alloying element respectively in formula, wherein：0.01%
≤ b≤0.5%, 0.01%≤c≤0.5%, 0.01%≤d≤0.2%, 0.01%≤e≤0.3%, 0.01%≤f≤0.3% and surplus
a。
2. new zinc anode for electrolysis alloy material according to claim 1, it is characterised in that the range of described c, d, e are distinguished
For：0.05%≤c≤0.1%, 0.02%≤d≤0.05%, 0.02%≤e≤0.05%.
3. the low-loss preparation method of new zinc anode for electrolysis alloy material described in a kind of claims 1 or 2, it is characterised in that
It prepares, anode alloy materials preparation process, is as follows including intermediate alloy A preparations, intermediate alloy B：
A, prepared by intermediate alloy A：Subject alloy content is added by the ratio equal proportion of Sr, RE, Co content in anode alloy materials
20 ± 2 times of each elements amount stock, take the heating fusing of a certain amount of lead that deslagging agent deslagging and degasification is added, be continuously heating to 700
± 10 DEG C, the calloy that alloy gross mass 0.5%~2% is added cooks protective agent, then uses bell jar the standby of above-mentioned Sr, RE, Co
Material is pressed into 20 ± 5min of melting in aforementioned lead liquid, takes out bell jar and increases slag hitting after heating power stirring 15min, casts and be made intermediate
Alloy A；
B, prepared by intermediate alloy B：It is added the 20 ± 2 of subject alloy content by the ratio equal proportion of Ca contents in anode alloy materials
The amount stock of times each element, after taking a certain amount of lead heating fusing that deslagging agent deslagging and degasification is added, stablize lead liquid temperature 550 ±
10 DEG C, then the stock of above-mentioned Ca is pressed into aforementioned lead liquid with bell jar and is reacted, is beaten with the stirring of bell jar short time after the reaction was complete
Slag casts and intermediate alloy B is made；
C, prepared by anode alloy materials：It takes a certain amount of lead to be warming up to 550 ± 10 DEG C, deslagging agent deslagging and degasification is added, stablize lead
Liquid temperature is at 550 ± 10 DEG C, by element in the content and intermediate alloy A of each element in the anode alloy materials, intermediate alloy B
Content, sequentially add suitable Ag, intermediate alloy A and intermediate alloy B, after complete reaction use the bell jar short time stirring beat
Slag is warming up to 580 ± 10 DEG C and is cast into alloy sheets ingot casting.
4. the low-loss preparation method of new zinc anode for electrolysis alloy material according to claim 3, it is characterised in that institute
It is 550 ± 20 DEG C to state the lead heating fusing in step A and/or step B and deslagging agent deslagging and the warming temperature of degasification is added.
5. the low-loss preparation method of new zinc anode for electrolysis alloy material according to claim 4, it is characterised in that institute
State the ammonium chloride or sodium hydroxide that the deslagging agent in step A, step B and/or step C is alloy gross mass 0.1%~0.3%.
6. the low-loss preparation method of new zinc anode for electrolysis alloy material according to claim 4, it is characterised in that institute
It is nitrogen to be passed through into lead liquid or inert gas carrys out degasification to state the degasification in step A, step B and/or step C.
7. the low-loss preparation method of new zinc anode for electrolysis alloy material according to claim 3, it is characterised in that institute
Sr, RE and Co in step A stock is stated to be wrapped up with aluminium foil respectively and use bell jar in company in aluminium foil indentation lead liquid.
8. according to the low-loss preparation method of new zinc anode for electrolysis alloy material described in claim 3 to 7 any one,
It is characterized in that using medium frequency induction melting furnace melting in the step A, step B and/or step C.
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| CN1936091A (en) * | 2006-07-20 | 2007-03-28 | 陈文鹏 | Low silver-lead multielement alloy anode material for zinc electrolysis |
| CN101429669A (en) * | 2007-11-08 | 2009-05-13 | 佟艳霞 | Multicomponent alloy anode plate |
| CN103160700A (en) * | 2011-12-19 | 2013-06-19 | 北京有色金属研究总院 | Method for avoiding burning loss of adding elements in smelting of lead alloys |
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2018
- 2018-05-02 CN CN201810407448.3A patent/CN108441675A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1936091A (en) * | 2006-07-20 | 2007-03-28 | 陈文鹏 | Low silver-lead multielement alloy anode material for zinc electrolysis |
| CN101429669A (en) * | 2007-11-08 | 2009-05-13 | 佟艳霞 | Multicomponent alloy anode plate |
| CN103160700A (en) * | 2011-12-19 | 2013-06-19 | 北京有色金属研究总院 | Method for avoiding burning loss of adding elements in smelting of lead alloys |
Non-Patent Citations (1)
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| 曹远栋: "锌电积用新型铅基合金阳极的制备及性能研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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Application publication date: 20180824 |