CN109439959A - Low-stibium multicomponent lead alloy and smelting process - Google Patents
Low-stibium multicomponent lead alloy and smelting process Download PDFInfo
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- CN109439959A CN109439959A CN201811577501.0A CN201811577501A CN109439959A CN 109439959 A CN109439959 A CN 109439959A CN 201811577501 A CN201811577501 A CN 201811577501A CN 109439959 A CN109439959 A CN 109439959A
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- lead
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- antimony
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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
- C22C11/08—Alloys based on lead with antimony or bismuth as the next major constituent
- C22C11/10—Alloys based on lead with antimony or bismuth as the next major constituent with tin
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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
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Cell Electrode Carriers And Collectors (AREA)
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Abstract
The invention discloses a kind of low-stibium multicomponent lead alloys, it measures following component by mass percentage: antimony 1.8 ~ 2.5%, arsenic 0.15 ~ 0.25%, tin 0.15 ~ 0.25%, selenium 0.015 ~ 0.02%, surplus are lead.The invention further relates to low-stibium multicomponent lead alloy smelting processes, and its step are as follows: a, pressing component measurement raw material first；B, lead is put into the pot of shaft furnace, the lead solution heated simultaneously stays in pot；C, technique deslagging agent is sprinkled into during stirring lead solution in pot；D, antimony is added into lead solution and is stirred, and manufactured lead-antimony alloy solution remains in pot；E, last that tin is added in pot, continue stirring after solution in pot forms vortex, is added at one time arsenic and selenium obtains low-stibium multicomponent lead alloy solution；F, after smelting, low-stibium multicomponent lead alloy solution is poured out into ingot casting, spare.
Description
Technical field
The invention belongs to metal smelt technical fields, in particular it relates to a kind of metal, especially low antimony is more
First metal and matched smelting process.
Background technique
Lead circle is the terminal of sealed type lead acid battery and the sealing element of shell engaging portion, which should have certain tissue
Density has good solderability again.Now, industry manufacture lead circle is manufactured usually using a kind of antimonial lead, the material
The mating requirement of sealed type lead acid battery is fully achieved.Antimony element is a kind of metallic element of valuableness, therefore the conjunction that antimony content is high
Price of gold lattice are very high, and raw material valence height necessarily increases production cost.In addition, there are environmental issues for antimonial lead in reality, because of antimony
And its compound is toxic, and it is harmful to human body, biology and environment in nature, so antimony is classified as weight by national departments concerned
Point pollution object, is strictly managed.As national environmental protection policy is implemented, the industry should be used consciously or not less in manufacture course of products
With the antimonial lead material of high-content, while actively to seek corresponding alternative solution.
Summary of the invention
The present invention mainly overcomes the problems, such as that prior art production polar plate of lead acid storage battery and terminal antimony dosage are more, proposes one kind
Multicomponent mixture alternative solution, the configuration of program component is reasonable, raw material is easy to get, the low-stibium multicomponent lead of manufactured product good mechanical property
Alloy.The invention also includes low-stibium multicomponent lead alloy smelting processes.
The present invention is achieved through the following technical solutions technical goal.
Low-stibium multicomponent lead alloy measures following component by mass percentage: antimony 1.8 ~ 2.5%, arsenic 0.15 ~ 0.25%, tin
0.15 ~ 0.25%, selenium 0.015 ~ 0.02%, surplus is lead.
As the scheme of further improvement, the antimony purity is 99.9%, and tin purity is 99.99%, and selenium purity is 99.9%, arsenic
Purity is 99.9%, and lead purity is 99.994%.
Low-stibium multicomponent lead alloy smelting process follows these steps to carry out:
A, raw material is measured by component first；
B, lead is put into the pot of shaft furnace, is heated to 350 ~ 700 DEG C, obtained lead solution stays in pot；
C, it is sprinkled into technique deslagging agent during stirring lead solution in pot, when lead solution superficial layer has powdery lead oxide dross,
Pull abandoning out；
D, be then added at one time antimony during 600 ~ 680 DEG C of temperature of lead solution and implement to stir, stirring rate control 1500 ~
1800r/min, persistently stirs 10 ~ 60min of duration, and manufactured lead-antimony alloy solution remains in pot；
E, tin then is added in the lead-antimony alloy solution in pot, continues to stir 5 ~ 10min by 1500 ~ 1800r/min rate, to
After solution forms vortex in pot, it is added at one time the arsenic and selenium measured, then persistently 5 ~ 20min of stirring just obtains the low antimony of homogeneous
Multicomponent lead alloy solution；
F, after smelting, low-stibium multicomponent lead alloy solution is poured out into ingot casting, spare.
As be further improved scheme, preferably 620 ~ 650 DEG C of the lead fusion temperature.
As the scheme of further improvement, the antimony persistently stirs duration preferably 15 ~ 20min after lead solution is added.
The present invention has the positive effect that compared with the antimonial lead of the prior art:
1, component configuration is reasonable, replacement element is easy to get, smelting step is simple and direct, Yi Shixian industrialization.
2, antimony decrement is obvious in component, and pollution is reduced from source, had not only reduced the pollution of smelting shop, but also improve product
Application environment.
3, subtract the negative effect of antimony in component by targetedly adding some members and usually making up, manufactured material mechanical
Performance indicator is almost unchanged, complies fully with the technical requirements of production Lead-acid Storage Battery circle.
Specific embodiment
The present invention is further illustrated below by embodiment.
Low-stibium multicomponent lead alloy of the present invention, measures following component by mass percentage: antimony 1.8 ~ 2.5%, arsenic 0.15
~ 0.25%, tin 0.15 ~ 0.25%, selenium 0.015 ~ 0.02%, remaining is lead.In order to ensure the quality of low-stibium multicomponent lead alloy, to group
The purity of each raw material requires in point, and specific targets are as follows: antimony purity is 99.9%, and tin purity is 99.99%, and selenium purity is
99.9%, arsenic purity is 99.9%, and lead purity is 99.994%.Related embodiment component configuration see the table below:
Embodiment component allocation list
Set group is taken respectively by upper table and is allocated as low-stibium multicomponent lead alloy smelting, and 1 smelting process of embodiment follows these steps to carry out:
A, raw material is measured by component first；
B, lead is put into the pot of shaft furnace, at 330 DEG C or so, lead just starts to melt, and to be heated to 620 DEG C whens are completely molten
Change, obtained lead solution stays in pot；
C, it is sprinkled into the deslagging agent of technique during stirring lead solution in pot, has powdery lead oxide dross to lead solution superficial layer
When, pull abandoning out；
D, be then added at one time antimony during 600 DEG C of temperature of lead solution and implement to stir, stirring rate be in 1500r/min,
Duration 15min is persistently stirred, manufactured lead-antimony alloy solution remains in pot；
E, tin then is added in the lead-antimony alloy solution in pot, continues to stir 5min by 1800r/min rate, to solution in pot
After forming vortex, it is added at one time the arsenic and selenium measured, then persistently stirring 5min just obtains the low-stibium multicomponent lead alloy of homogeneous
Solution；
F, after smelting, low-stibium multicomponent lead alloy solution is poured out into ingot casting, spare.
2 smelting process of embodiment follows these steps to carry out:
A, raw material is measured by component first；
B, lead is put into the pot of shaft furnace, at 635 DEG C or so, lead just starts to melt, and to be heated to 620 DEG C whens are completely molten
Change, obtained lead solution stays in pot；
C, it is sprinkled into the deslagging agent of technique during stirring lead solution in pot, has powdery lead oxide dross to lead solution superficial layer
When, pull abandoning out；
D, be then added at one time antimony during 650 DEG C of temperature of lead solution and implement to stir, stirring rate be in 1650r/min,
Duration 20min is persistently stirred, manufactured lead-antimony alloy solution remains in pot；
E, tin then is added in the lead-antimony alloy solution in pot, continues to stir 10min by 1650r/min rate, to molten in pot
After liquid forms vortex, it is added at one time the arsenic and selenium measured, then the low-stibium multicomponent lead that persistently stirring 20min just obtains homogeneous closes
Gold solution；
F, after smelting, low-stibium multicomponent lead alloy solution is poured out into ingot casting, spare.
3 smelting process of embodiment follows these steps to carry out:
A, raw material is measured by component first；
B, lead is put into the pot of shaft furnace, at 650 DEG C or so, lead just starts to melt, and to be heated to 620 DEG C whens are completely molten
Change, obtained lead solution stays in pot；
C, it is sprinkled into the deslagging agent of technique during stirring lead solution in pot, has powdery lead oxide dross to lead solution superficial layer
When, pull abandoning out；
D, be then added at one time antimony during 680 DEG C of temperature of lead solution and implement to stir, stirring rate be in 1800r/min,
Duration 18min is persistently stirred, manufactured lead-antimony alloy solution remains in pot；
E, tin then is added in the lead-antimony alloy solution in pot, continues to stir 8min by 1500r/min rate, to solution in pot
After forming vortex, it is added at one time the arsenic and selenium measured, then persistently stirring 10min just obtains the low-stibium multicomponent lead alloy of homogeneous
Solution；
F, after smelting, low-stibium multicomponent lead alloy solution is poured out into ingot casting, spare.
It is smelted using the low-stibium multicomponent lead alloy embodiment that above-mentioned smelting process completes three different components, it is low using three kinds
Antimony multicomponent alloy ingot casts the lead circle of sealed type lead acid battery respectively, and being then uniformly placed on specific gravity is 1.28g/cm3Sulphur
It impregnates in acid, is pulled out after impregnating 350h, three workpiece surface colours are deepened, by the work of embodiment 1 and the combination production of embodiment 3
Part surface is in black, and the workpiece surface of 2 component of embodiment production is in Dark grey, and three workpiece surface flatness are kept intact, do not had
Falling off in a organized way, it is hidden to lack.This result, which illustrates that the corrosion resisting property of low-stibium multicomponent lead alloy made of three embodiment components meets, to be made
With requiring, wherein two corrosion resisting property of embodiment is slightly more better than another two embodiments.
The above-mentioned lead circle through Kesternich test is installed to the engaging portion of matched sealed type lead acid battery shell and terminal
And make sealing welding, the compressed air of 0.3 ~ 0.5MPa is then injected toward matched sealed type lead acid battery inner cavity, then will
Sealed type lead acid battery, which is integrally placed in water, makees waterproof test, and lead circle and the evolution of commissure bubble-free, then illustrate in 15s
The air-tightness of low-stibium multicomponent alloy is up to standard.This item tests lead circle made of three embodiments before the deadline without bubble
Evolution, it is all qualified.
Claims (5)
1. a kind of low-stibium multicomponent lead alloy, it is characterised in that measure following component by mass percentage: antimony 1.8 ~ 2.5%, arsenic 0.15
~ 0.25%, tin 0.15 ~ 0.25%, selenium 0.015 ~ 0.02%, remaining is lead.
2. low-stibium multicomponent lead alloy according to claim 1, it is characterised in that: the antimony purity is 99.9%, and tin purity is
99.99%, selenium purity is 99.9%, and arsenic purity is 99.9%, and lead purity is 99.994%.
3. a kind of low-stibium multicomponent lead alloy smelting process, it is characterised in that: follow these steps to carry out:
A, raw material is measured by component first；
B, lead is put into the pot of shaft furnace, is heated to 350 ~ 700 DEG C, obtained lead solution stays in pot；
C, it is sprinkled into technique deslagging agent during stirring lead solution in pot, when lead solution superficial layer has powdery lead oxide dross,
Pull abandoning out；
D, be then added at one time antimony during 600 ~ 680 DEG C of temperature of lead solution and implement to stir, stirring rate control 1500 ~
1800r/min, persistently stirs 10 ~ 60min of duration, and manufactured lead-antimony alloy solution remains in pot；
E, tin then is added in the lead-antimony alloy solution in pot, continues to stir 5 ~ 10min by 1500 ~ 1800r/min rate, to
After solution forms vortex in pot, it is added at one time the arsenic and selenium measured, then persistently 5 ~ 20min of stirring just obtains the low antimony of homogeneous
Multicomponent lead alloy solution；
F, after smelting, low-stibium multicomponent lead alloy solution is poured out into ingot casting, spare.
4. low-stibium multicomponent lead alloy smelting process according to claim 3, it is characterised in that: the lead fusion temperature is preferred
620~650℃。
5. low-stibium multicomponent lead alloy smelting process according to claim 3, it is characterised in that: after lead solution is added in the antimony
Persistently stir duration preferably 15 ~ 20min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811577501.0A CN109439959A (en) | 2018-12-24 | 2018-12-24 | Low-stibium multicomponent lead alloy and smelting process |
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| CN201811577501.0A CN109439959A (en) | 2018-12-24 | 2018-12-24 | Low-stibium multicomponent lead alloy and smelting process |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2312322A1 (en) * | 1973-03-13 | 1974-09-19 | Hoehing Kartonagenfab Hermann | FOLDING BOX WITH GLUED INNER CONTAINER |
| CN86103370A (en) * | 1986-05-16 | 1987-03-11 | 个旧市鸡街冶炼厂 | Grid alloy of battery and production method thereof |
| CN1047889A (en) * | 1989-06-03 | 1990-12-19 | 上海冶炼厂 | The addition means of low antimony lead multicomponent alloy alloying element and sulphur |
| CN1011517B (en) * | 1985-04-01 | 1991-02-06 | 阿萨科公司 | Process for strengthening lead-antimony alloys |
| US5508125A (en) * | 1994-03-21 | 1996-04-16 | Globe-Union Inc. | Battery straps made of a lead-based alloy containing antimony, arsenic, tin and selenium |
| CN101656312A (en) * | 2009-07-08 | 2010-02-24 | 张天任 | Alloy material for high-energy accumulator grid and preparation method thereof |
| CN101792873A (en) * | 2010-03-26 | 2010-08-04 | 如皋市天鹏冶金有限公司 | Low-stibium multicomponent lead alloy and production technology and applications thereof |
-
2018
- 2018-12-24 CN CN201811577501.0A patent/CN109439959A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2312322A1 (en) * | 1973-03-13 | 1974-09-19 | Hoehing Kartonagenfab Hermann | FOLDING BOX WITH GLUED INNER CONTAINER |
| CN1011517B (en) * | 1985-04-01 | 1991-02-06 | 阿萨科公司 | Process for strengthening lead-antimony alloys |
| CN86103370A (en) * | 1986-05-16 | 1987-03-11 | 个旧市鸡街冶炼厂 | Grid alloy of battery and production method thereof |
| CN1047889A (en) * | 1989-06-03 | 1990-12-19 | 上海冶炼厂 | The addition means of low antimony lead multicomponent alloy alloying element and sulphur |
| US5508125A (en) * | 1994-03-21 | 1996-04-16 | Globe-Union Inc. | Battery straps made of a lead-based alloy containing antimony, arsenic, tin and selenium |
| CN101656312A (en) * | 2009-07-08 | 2010-02-24 | 张天任 | Alloy material for high-energy accumulator grid and preparation method thereof |
| CN101792873A (en) * | 2010-03-26 | 2010-08-04 | 如皋市天鹏冶金有限公司 | Low-stibium multicomponent lead alloy and production technology and applications thereof |
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