CN1766141A - Preparation proces for regenerating lead-rare earth low antimony slab lattice alloy - Google Patents
Preparation proces for regenerating lead-rare earth low antimony slab lattice alloy Download PDFInfo
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- CN1766141A CN1766141A CNA2005100963081A CN200510096308A CN1766141A CN 1766141 A CN1766141 A CN 1766141A CN A2005100963081 A CNA2005100963081 A CN A2005100963081A CN 200510096308 A CN200510096308 A CN 200510096308A CN 1766141 A CN1766141 A CN 1766141A
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Abstract
The preparation method for regenerative lead-rare earth low-antimony slab lattice alloy comprises: smelting Sn and regenerative lead into metal liquid with 0.2-0.4m% Sn and 1.5-2.0m% Sb; adding rare earth element of 0.01-0.03m% into metal liquid; after full melting, pouring ally liquid into mould, and cooling to room temperature. This invention does not add arsenic and cadmium or other strong toxic elements to reduce pollution and cost in maximum limit. The alloy has high strength, well plasticity, and super anti-corrosion performance.
Description
Technical field
The invention belongs to material engineering, particularly a kind of preparation technology who is used as the proces for regenerating lead-rare earth low antimony slab lattice alloy of lead-acid cell grid material.
Background technology
Grid is the key element of lead-acid cell, and it has decisive influence to the performance of battery.Lead antimony alloy experienced from high antimony, antimony to the development course of low antimony alloy, the attended operation of battery is constantly reduced.Low antimony alloy remains few main making material of safeguarding the lead-acid cell grid at present.Along with the reduction of antimony content, the castability of alloy and plasticity also descend thereupon, therefore adopt the interpolation alloy to be improved.Element such as arsenic, cadmium can significantly improve the low antimony alloy performance, but these two kinds of elements may cause the serious harm to an environment and a line direct labor health.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, provide a kind of and kept the high-intensity preparation technology who has the environment-friendly type regeneration lead-rare earth low antimony slab lattice alloy of good plasticity simultaneously.
For achieving the above object, the preparation method that the present invention adopts is: be molten metal with Sn and secondary lead 400～550 ℃ of following meltings at first, containing mass percent in the control molten metal is the Sn of 0.2-0.4% and the Sb of 1.5-2.0%; Secondly molten metal is warming up to 670-900 ℃, the mass content that adds rare earth element and control rare earth element is 0.01-0.03%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
The said rare earth element of the present invention is Ce, Sm, Y or La.
The present invention, and replenishes certain tin and prepares low antimony slab lattice alloy as additive with rare earth element, and not adding arsenic, cadmium etc. has the element of serious harm to environment and forefront of the production workman, thereby can reduce the pollution of lead alloy to greatest extent.Simultaneously owing to be raw material with the secondary lead, reduced cost, promoted the recycle of lead metal, the alloy of making according to preparation method of the present invention is keeping the high-intensity good plasticity that has simultaneously, thereby has an advantages of good casting, avoid the appearance of the crisp phenomenon of grid, and corrosion resistance and gassing performance are better than common low antimony alloy.
Embodiment
Embodiment 1: be molten metal with Sn and secondary lead 500 ℃ of following meltings at first, it is 0.2% Sn and 1.6% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 670 ℃, the mass content that adds rare earth element ce and control Ce is 0.01%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
Embodiment 2: be molten metal with Sn and secondary lead 450 ℃ of following meltings at first, it is 0.4% Sn and 1.8% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 750 ℃, the mass content that adds rare earth element Sm and control Sm is 0.02%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
Embodiment 3: be molten metal with Sn and secondary lead 550 ℃ of following meltings at first, it is 0.3% Sn and 1.5% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 850 ℃, the mass content that adds rare earth element y and control Y is 0.03%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
Embodiment 4: be molten metal with Sn and secondary lead 400 ℃ of following meltings at first, it is 0.4% Sn and 1.9% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 900 ℃, the mass content that adds rare-earth elements La and control La is 0.02%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
Embodiment 5: be molten metal with tin Sn and secondary lead 520 ℃ of following meltings at first, it is 0.3% tin Sn and 1.7% antimony Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 730 ℃, the mass content that adds rare earth element ce and control Ce is 0.01%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
Embodiment 6: be molten metal with Sn and secondary lead 480 ℃ of following meltings at first, it is 0.2% Sn and 2.0% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 690 ℃, the mass content that adds rare-earth elements La and control La is 0.03%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
Because the present invention has added rare earth, has improved the plasticity and the corrosion resistance nature of lead alloy significantly.Tensile strength can reach 45Mpa, and unit elongation reaches 20%, and excellent corrosion resisting performance is arranged in sulfuric acid.Along with the raising of content of rare earth, structure refinement, intensity and timeliness intensity are improved during casting, and corrosion resistance nature improves, and gassing rate reduces.Can satisfy of the requirement of high-performance lead-acid battery to grid alloy.The rare earth grid alloy that adopts preparation technology of the present invention to make is safer, convenient and reliable, longer service life, can be used for the manufacturing of the lattice plate of lead-acid accumulator material of environmental nonpollution type.
Claims (8)
1, the preparation technology of proces for regenerating lead-rare earth low antimony slab lattice alloy is characterized in that:
1) be molten metal with Sn and secondary lead 400～550 ℃ of following meltings at first, containing mass percent in the control molten metal is the Sn of 0.2-0.4% and the Sb of 1.5-2.0%;
Secondly 2) molten metal is warming up to 670-900 ℃, the mass content that adds rare earth element and control rare earth element is 0.01-0.03%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
2, ask the preparation technology of 1 described proces for regenerating lead-rare earth low antimony slab lattice alloy according to right, it is characterized in that: said rare earth element is Ce, Sm, Y or La.
3, the preparation technology of proces for regenerating lead-rare earth low antimony slab lattice alloy according to claim 1 is characterized in that: be molten metal with Sn and secondary lead 500 ℃ of following meltings at first, it is 0.2% Sn and 1.6% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 670 ℃, the mass content that adds rare earth element ce and control Ce is 0.01%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
4, the preparation technology of proces for regenerating lead-rare earth low antimony slab lattice alloy according to claim 1 is characterized in that: be molten metal with Sn and secondary lead 450 ℃ of following meltings at first, it is 0.4% Sn and 1.8% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 750 ℃, the mass content that adds rare earth element Sm and control Sm is 0.02%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
5, the preparation technology of proces for regenerating lead-rare earth low antimony slab lattice alloy according to claim 1 is characterized in that: be molten metal with Sn and secondary lead 550 ℃ of following meltings at first, it is 0.3% Sn and 1.5% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 850 ℃, the mass content that adds rare earth element y and control Y is 0.03%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
6, the preparation technology of proces for regenerating lead-rare earth low antimony slab lattice alloy according to claim 1 is characterized in that: be molten metal with Sn and secondary lead 400 ℃ of following meltings at first, it is 0.4% Sn and 1.9% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 900 ℃, the mass content that adds rare-earth elements La and control La is 0.02%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
7, the preparation technology of proces for regenerating lead-rare earth low antimony slab lattice alloy according to claim 1, it is characterized in that: be molten metal with tin Sn and secondary lead 520 ℃ of following meltings at first, it is 0.3% tin Sn and 1.7% antimony Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 730 ℃, the mass content that adds rare earth element ce and control Ce is 0.01%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
8, the preparation technology of proces for regenerating lead-rare earth low antimony slab lattice alloy according to claim 1 is characterized in that: be molten metal with Sn and secondary lead 480 ℃ of following meltings at first, it is 0.2% Sn and 2.0% Sb that control contains mass percent in the molten metal; Secondly molten metal is warming up to 690 ℃, the mass content that adds rare-earth elements La and control La is 0.03%, until completely melted alloy liquid is poured in the mold, is cooled to room temperature and gets final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100963081A CN100416898C (en) | 2005-11-07 | 2005-11-07 | Preparation proces for regenerating lead-rare earth low antimony slab lattice alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100963081A CN100416898C (en) | 2005-11-07 | 2005-11-07 | Preparation proces for regenerating lead-rare earth low antimony slab lattice alloy |
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| Publication Number | Publication Date |
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| CN1766141A true CN1766141A (en) | 2006-05-03 |
| CN100416898C CN100416898C (en) | 2008-09-03 |
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| CNB2005100963081A Expired - Fee Related CN100416898C (en) | 2005-11-07 | 2005-11-07 | Preparation proces for regenerating lead-rare earth low antimony slab lattice alloy |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102329982A (en) * | 2011-10-10 | 2012-01-25 | 天能电池集团有限公司 | Lead-antimony rare-earth positive grid alloy and preparation method thereof |
| CN113652574A (en) * | 2021-07-30 | 2021-11-16 | 骆驼集团蓄电池研究院有限公司 | Multi-element lead-based cast-weld alloy for prolonging start and stop life of lead-acid storage battery |
| CN114457257A (en) * | 2022-01-21 | 2022-05-10 | 商丘师范学院 | Rare earth lead alloy and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4978601A (en) * | 1989-10-30 | 1990-12-18 | International Lead Zinc Research Organization, Inc. | Lead alloy battery grids by laser treatment |
| CN1248345C (en) * | 2003-04-15 | 2006-03-29 | 上海飞轮有色冶炼厂 | High performance battery plate grid alloy |
| CN1262028C (en) * | 2003-05-14 | 2006-06-28 | 西安交通大学 | Rareearth lead based grid alloy and mfg. process thereof |
-
2005
- 2005-11-07 CN CNB2005100963081A patent/CN100416898C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102329982A (en) * | 2011-10-10 | 2012-01-25 | 天能电池集团有限公司 | Lead-antimony rare-earth positive grid alloy and preparation method thereof |
| 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 |
| CN113652574A (en) * | 2021-07-30 | 2021-11-16 | 骆驼集团蓄电池研究院有限公司 | Multi-element lead-based cast-weld alloy for prolonging start and stop life of lead-acid storage battery |
| CN113652574B (en) * | 2021-07-30 | 2022-07-15 | 骆驼集团蓄电池研究院有限公司 | Multi-element lead-based cast-weld alloy for prolonging start and stop life of lead-acid storage battery |
| CN114457257A (en) * | 2022-01-21 | 2022-05-10 | 商丘师范学院 | Rare earth lead alloy and preparation method thereof |
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| Publication number | Publication date |
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| CN100416898C (en) | 2008-09-03 |
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Granted publication date: 20080903 Termination date: 20121107 |