CN105925840B - A kind of preparing process of lead-acid accumulator rare earth alloy - Google Patents
A kind of preparing process of lead-acid accumulator rare earth alloy Download PDFInfo
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- CN105925840B CN105925840B CN201610425629.XA CN201610425629A CN105925840B CN 105925840 B CN105925840 B CN 105925840B CN 201610425629 A CN201610425629 A CN 201610425629A CN 105925840 B CN105925840 B CN 105925840B
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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
- C22C11/06—Alloys based on lead with tin as the next major constituent
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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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Abstract
The invention discloses a kind of preparing process of lead-acid accumulator rare earth alloy, it is related to battery processing technique field, it is that tin and lanthanum are first made into tin lanthanum alloy in advance, again based on tin, add tin lanthanum alloy and silver, tin foundry alloy is made into, then melts electrolytic lead, lead-acid accumulator rare earth alloy is produced after adding tin foundry alloy.The preparing process energy consumption of lead-acid accumulator rare earth alloy of the present invention is small, simple to operate, shortens the production cycle, reduces Productive statistics cost, and lead fume and rare earth volatile quantity are low, alleviate environmental protection pressure.
Description
Technical field：
The present invention relates to battery technology field, and in particular to a kind of preparing process of lead-acid accumulator rare earth alloy.
Background technology：
The grid alloy of current driving force anode plate for lead acid accumulator is generally lead-calcium-tin alloy and rare earth alloy, and rare earth
During alloy preparation, generally first with lead foundry alloy, (by lead heating, 700 ± 10 DEG C are arrived, and are then added 10% or so lanthanum, are configured to
Lead foundry alloy), when then leading liquid is heated to 600 ± 10 DEG C, lead foundry alloy is added, is configured to rare earth alloy.The process energy consumption
Greatly, and lead fume volatilization causes environmental protection pressure big more, and rare earth volatile quantity is also high.
Chinese invention patent such as Patent No. CN201010583296.6 discloses a kind of the direct of lead calcium rare earth alloy
Working system, A, by lead pig be fitted into opening iron pot in, be heated to lead pig and be molten into lead liquid；B, by required calcium metal and dilute
Soil loads in irony bell jar together；C, by step B bell jar mounted in the end of stirring arbor, when stirring lead liquid quickly by bell jar
Interior calcium and rare earth, which is miscible in lead liquid, is made lead calcium rare earth alloy liquid；D, by the lead calcium rare earth alloy liquid of step C outputs
Ingot casting, obtain lead calcium rare earth alloy ingot product.
Chinese invention patent such as Patent No. CN201510505703.4 discloses a kind of maintenance-free lead accumulator and used
The preparation method of positive grid alloy, comprises the following steps：(1) lead is divided into two parts, a part of lead melts at 410-440 DEG C
Change, another part is stand-by；After lead fusing, tin is added；After being completely melt, 1500-1600 DEG C is warming up to, adds calcium；Treat that its is complete
After running down, stir；When being down to 500-550 DEG C, come out of the stove, obtain slicker solder calcium alloy；(2) in 950 DEG C of high-temperature smelting pot
Rare earth element is founded, after being completely melt, 1000-1100 DEG C is warming up to, adds silver, after it is completely melt, is stirred；Drop
During to 400-450 DEG C, come out of the stove, obtain silver rare-earth alloy；(3) another part lead is put into lead pan, temperature rises to 410-440 DEG C
Lower fusing；600-650 DEG C is warming up to, sequentially adds silver rare-earth alloy and slicker solder calcium alloy, mixed smelting simultaneously stirs；Heating
To 760-800 DEG C, barium is added, 5-10min is stirred after fusing；Fused solution is incubated 20min at 760-800 DEG C, and cooling is come out of the stove
Grid alloy.
Above-mentioned patent is lead-calcium alloy, and process energy consumption is higher, it is impossible to reaches the purpose of environmental protection and energy saving.
The content of the invention：
The technical problems to be solved by the invention, which are to provide one kind and can reduce energy consumption, lead fume volatilization and rare earth element, waves
The preparing process of the lead-acid accumulator rare earth alloy of hair.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of preparing process of lead-acid accumulator rare earth alloy, it is that tin and lanthanum are first made into tin lanthanum alloy in advance, then with
Tin is main body, adds tin lanthanum alloy and silver, is made into tin foundry alloy, then melts electrolytic lead, and lead is produced after adding tin foundry alloy
Acid accumulator rare earth alloy.
Comprise the following steps that：
(1) tin is first heated to 750 ± 10 DEG C, is slow added into lanthanum, it is stirring while adding, continue to stir 10min after adding,
500 DEG C then are cooled to, tin lanthanum alloy is made；
(2) tin slab is heated to 350-400 DEG C, adds tin lanthanum alloy and silver, tin foundry alloy is made
(3) electrolytic lead is heated to 600 ± 10 DEG C, then adds tin foundry alloy, stir, produce lead-acid accumulator use
Rare earth alloy.
The weight of tin and lanthanum ratio is 1 in the step (1)：1.
The weight ratio of tin slab and tin lanthanum alloy is 16 in the step (2)：1, silver content is the 0.25- of tin slab weight
0.27%.
The weight ratio of electrolytic lead and tin foundry alloy is 99 in the step (3)：1.
The beneficial effects of the invention are as follows：The preparing process energy consumption of lead-acid accumulator rare earth alloy of the present invention is small, operation letter
It is single, the production cycle is shortened, reduces Productive statistics cost, and lead fume and rare earth volatile quantity are low, alleviate environmental protection pressure.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
A kind of preparing process of lead-acid accumulator rare earth alloy, is comprised the following steps that：
(1) 0.1 ton of tin is first heated to 750 ± 10 DEG C, is slow added into 0.1 ton of lanthanum, it is stirring while adding, continue after adding
10min is stirred, is then cooled to 500 DEG C, tin lanthanum alloy is made；
(2) 1.6 tons of tin slabs are heated to 350-400 DEG C, add 0.1 ton of tin lanthanum alloy and 0.0043 ton of silver, tin is made
Foundry alloy；
(3) 0.99 ton of electrolytic lead is heated to 600 ± 10 DEG C, then adds 0.01 ton of tin foundry alloy, stir, produce
Lead-acid accumulator rare earth alloy.
Embodiment 2
A kind of preparing process of lead-acid accumulator rare earth alloy, is comprised the following steps that：
(1) 0.1 ton of tin is first heated to 750 ± 10 DEG C, is slow added into 0.1 ton of lanthanum, it is stirring while adding, continue after adding
10min is stirred, is then cooled to 500 DEG C, tin lanthanum alloy is made；
(2) 1.6 tons of tin slabs are heated to 350-400 DEG C, add 0.1 ton of tin lanthanum alloy and 0.00432 ton of silver, tin is made
Foundry alloy；
(3) 0.99 ton of electrolytic lead is heated to 600 ± 10 DEG C, then adds 0.01 ton of tin foundry alloy, stir, produce
Lead-acid accumulator rare earth alloy.
Embodiment 3
A kind of preparing process of lead-acid accumulator rare earth alloy, is comprised the following steps that：
(1) 0.1 ton of tin is first heated to 750 ± 10 DEG C, is slow added into 0.1 ton of lanthanum, it is stirring while adding, continue after adding
10min is stirred, is then cooled to 500 DEG C, tin lanthanum alloy is made；
(2) 1.6 tons of tin slabs are heated to 350-400 DEG C, add 0.1 ton of tin lanthanum alloy and 0.00408 ton of silver, tin is made
Foundry alloy；
(3) 0.99 ton of electrolytic lead is heated to 600 ± 10 DEG C, then adds 0.01 ton of tin foundry alloy, stir, produce
Lead-acid accumulator rare earth alloy.
The lead-acid battery proving and comparisom data that lead-acid battery prepared by the application alloy is prepared with common alloy：
(1) electrical property correction data, it is shown in Table 1；
Table 1
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. a kind of preparing process of lead-acid accumulator rare earth alloy, it is characterised in that be that tin and lanthanum are first made into tin lanthanum in advance to close
Gold, then based on tin, add tin lanthanum alloy and silver, be made into tin foundry alloy, then melt electrolytic lead, after adding tin foundry alloy
Produce lead-acid accumulator rare earth alloy；It is comprised the following steps that：
(1) tin is first heated to 750 ± 10 DEG C, is slow added into lanthanum, it is stirring while adding, continue to stir 10min after adding, then
500 DEG C are cooled to, tin lanthanum alloy is made；
(2) tin slab is heated to 350-400 DEG C, adds tin lanthanum alloy and silver, tin foundry alloy is made；
(3) electrolytic lead is heated to 600 ± 10 DEG C, then adds tin foundry alloy, stir, produce lead-acid accumulator rare earth
Alloy；
The weight of tin slab and lanthanum ratio is 1 in the step (1)：1；
The weight ratio of tin and tin lanthanum alloy is 16 in the step (2)：1；
Silver-colored addition is the 0.25-0.27% of tin slab weight in the step (2)；
The weight ratio of electrolytic lead and tin foundry alloy is 99 in the step (3)：1.
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| CN201610425629.XA CN105925840B (en) | 2016-06-14 | 2016-06-14 | A kind of preparing process of lead-acid accumulator rare earth alloy |
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| CN201610425629.XA CN105925840B (en) | 2016-06-14 | 2016-06-14 | A kind of preparing process of lead-acid accumulator rare earth alloy |
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| CN107760922A (en) * | 2017-09-28 | 2018-03-06 | 河北超威电源有限公司 | A kind of high-energy power slab lattice alloy of lead-acid battery and preparation method thereof |
| CN114335445A (en) * | 2021-08-27 | 2022-04-12 | 漳州市华威电源科技有限公司 | Preparation process of battery plate of high-cycle-performance lead-acid battery |
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| US4358518A (en) * | 1980-05-27 | 1982-11-09 | General Motors Corporation | Wrought lead-calcium-strontium-tin (±barium) alloy for battery components |
| CN1216163C (en) * | 2002-08-30 | 2005-08-24 | 复旦大学 | Multicomponent Pb-Sn-RE alloy for positive slab lattice of lead accumulator |
| CN1208860C (en) * | 2003-04-03 | 2005-06-29 | 复旦大学 | Plumbum-rare earth mulaticomponent alloy being used as positive plate grid of lead accumulator and its preparation method |
| CN102329982B (en) * | 2011-10-10 | 2013-06-26 | 天能电池集团有限公司 | Lead-antimony rare-earth positive grid alloy and preparation method thereof |
| CN105280927B (en) * | 2015-10-29 | 2017-07-04 | 界首市南都华宇电源有限公司 | A kind of casting process of lead acid accumulator plate grid |
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