CN101096727A - Production method of calcium lead alloy - Google Patents
Production method of calcium lead alloy Download PDFInfo
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- CN101096727A CN101096727A CNA2006100284973A CN200610028497A CN101096727A CN 101096727 A CN101096727 A CN 101096727A CN A2006100284973 A CNA2006100284973 A CN A2006100284973A CN 200610028497 A CN200610028497 A CN 200610028497A CN 101096727 A CN101096727 A CN 101096727A
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Abstract
The invention discloses a manufacturing method of calcium lead alloy, which comprises the following steps: utilizing 1%-1.5% electrolytic lead to make at least two pieces of sheet lead to cover the metal calcium; placing the residual electrolytic lead and aluminium in the furnace; heating; putting the metal calcium covered by sheet lead when the temperature of lead liquid is 650-700 deg. c; stirring to smelt the metal calcium; putting metal calcium covered sheet lead until the metal aluminium in the stove is fused completely; adding residual metal calcium covered by sheet lead into the lead liquid through bell jar separately; stirring to fuse all calcium; stirring evenly.
Description
Technical field
The invention belongs to field of metallurgy, relate in particular to a kind of calcium lead alloy, is a kind of production method of calcium lead alloy specifically.
Background technology
Manufacturer's great majority of present domestic lead acid cell adopt lead-calcium multielement alloy, and having only minority producer is that positive grid material adopts low antimony alloy, and negative grid still adopts lead-calcium multielement alloy.Though the lead-calcium alloy composition is similar, blending process is had nothing in common with each other, and prescription also has their own characteristics each.
Calcium is the active metal, very easily oxidation.Data shows that although protective material and sfgd. are arranged, its oxidation loss when preparation, use is still very big.In the ordinary course of things, wastage rate are 15% ~ 20%, and when solidifying remelting, its wastage rate are about 30%; And when configuration, wastage rate are bigger, if capable sfgd. that does not have and proper production technique, even the calcium in the alloy would be exhausted.
Once the method that adopts of someone had " explosion method ", " calcium-aluminium cake plunging ", " calcium-aluminium alloy plunging ", " bell-jar is pressed into the container method " etc. in the past; even carry out founding of alloy under the employing protection of inert gas that also has, there are defectives such as equipment complexity, complex operation, calcium metal utilization ratio be low mostly in these methods.And publication number be CN1294418A alloy material for slab lattice and publication number is the lead-calcium alloy production technique of mentioning among the CN1045199A grid alloy preparation method, exists significantly not enoughly, and the utilization ratio of its calcium does not also reach 90%.
Summary of the invention
The object of the present invention is to provide a kind of production method of calcium lead alloy, described method has solved the calcium lead alloy of the prior art low technical problem of utilization ratio of calcium in process of production.
The invention provides a kind of production method of calcium lead alloy, comprise a process, it is characterized in that, comprise the steps: in the described process electrolytic lead and calcium metal fusing smelting with electrolytic lead and calcium metal fusing smelting
First step, the electrolytic lead that will account for 1%～1.5% weight of described electrolytic lead gross weight is earlier made sheet lead, uses at least two made sheet lead coated metal calcium then,
Second step is put into pot with remaining electrolytic lead and metallic aluminium, heat temperature raising, and plumbous liquid temp is heated to 650 ℃～700 ℃,
Third step is got part and is dropped in the pot with the calcium metal of sheet lead parcel, is stirred to the calcium metal fusing;
The 4th step repeats third step, and the metallic aluminium in pot melts fully,
The 5th step joins the calcium metal with sheet lead parcel of remainder in the plumbous liquid with bell jar in batches, is stirred to all calcium and all melts, and restir is even.
Principle of the present invention is: when adding calcium, plumbous melt temperature is with 50 ~ 60 ℃ of very fast risings, and the bath surface temperature raises a lot.When lead alloy reaches 650 ℃, add a spot of calcium, the temperature of plumbous liquid is improved rapidly, quicken the aluminum metal fusing and make it float on the surperficial protective membrane that forms of metal liquid, prevent the oxidation of calcium metal with the sheet lead parcel at alloy surface.
This method is simple and convenient, and easy handling, the lead-calcium alloy of production can make the utilization ratio of calcium reach more than 95%.
Embodiment
A kind of production method of calcium lead alloy comprises the steps:
First step utilizes the electrolytic lead of 5kg to make sheet lead earlier, and the quantity of described sheet lead is 6, on average makes six parts with the calcium metal of the sheet lead parcel 20kg that makes;
Second step is put into pot with 1900kg electrolytic lead and 2kg aluminium then, and heat temperature raising makes plumbous liquid temp reach 660 ℃;
Third step in the calcium metal input pot with the sheet lead parcel, is stirred to calcium metal and melts away;
The 4th step repeats four order, three steps, and the metallic aluminium in pot melts fully;
The 5th step joins two parts of remainder in the plumbous liquid with bell jar at twice with sheet lead coated metal calcium, is stirred to all calcium all after the fusing, and stirring gets final product.
Claims (1)
1. the production method of a calcium lead alloy comprises a process with electrolytic lead and calcium metal fusing smelting, it is characterized in that, comprises the steps: in the described process with electrolytic lead and calcium metal fusing smelting
First step, the electrolytic lead that will account for 1%～1.5% weight of described electrolytic lead gross weight is earlier made sheet lead, uses at least two made sheet lead coated metal calcium then,
Second step is put into pot with remaining electrolytic lead and metallic aluminium, heat temperature raising, and plumbous liquid temp is heated to 650 ℃～700 ℃,
Third step is got part and is dropped in the pot with the calcium metal of sheet lead parcel, is stirred to the calcium metal fusing;
The 4th step repeats third step, and the metallic aluminium in pot melts fully,
The 5th step joins the calcium metal with sheet lead parcel of remainder in the plumbous liquid with bell jar in batches, is stirred to all calcium and all melts, and restir is even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100284973A CN100497684C (en) | 2006-06-30 | 2006-06-30 | Production method of calcium lead alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100284973A CN100497684C (en) | 2006-06-30 | 2006-06-30 | Production method of calcium lead alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101096727A true CN101096727A (en) | 2008-01-02 |
| CN100497684C CN100497684C (en) | 2009-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100284973A Expired - Fee Related CN100497684C (en) | 2006-06-30 | 2006-06-30 | Production method of calcium lead alloy |
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| CN (1) | CN100497684C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994027A (en) * | 2010-12-10 | 2011-03-30 | 株洲冶炼集团股份有限公司 | Direct production method for lead calcium rare earth alloy |
| CN103985879A (en) * | 2014-05-16 | 2014-08-13 | 浙江天能电池(江苏)有限公司 | Lead-calcium-tin-aluminum positive grid alloy and preparation method thereof |
| CN104993154A (en) * | 2015-05-23 | 2015-10-21 | 保定金阳光能源装备科技有限公司 | Graphene-containing lead alloy for lead storage battery grids, and preparation method thereof |
| CN105200294A (en) * | 2015-10-27 | 2015-12-30 | 长兴华源冶金材料有限公司 | Calcium-aluminum-lead alloy for battery plate and preparation method thereof |
-
2006
- 2006-06-30 CN CNB2006100284973A patent/CN100497684C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101994027A (en) * | 2010-12-10 | 2011-03-30 | 株洲冶炼集团股份有限公司 | Direct production method for lead calcium rare earth alloy |
| CN103985879A (en) * | 2014-05-16 | 2014-08-13 | 浙江天能电池(江苏)有限公司 | Lead-calcium-tin-aluminum positive grid alloy and preparation method thereof |
| CN104993154A (en) * | 2015-05-23 | 2015-10-21 | 保定金阳光能源装备科技有限公司 | Graphene-containing lead alloy for lead storage battery grids, and preparation method thereof |
| CN104993154B (en) * | 2015-05-23 | 2018-02-16 | 保定金阳光能源装备科技有限公司 | A kind of lead accumulator grid metal containing graphene and preparation method thereof |
| CN105200294A (en) * | 2015-10-27 | 2015-12-30 | 长兴华源冶金材料有限公司 | Calcium-aluminum-lead alloy for battery plate and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN100497684C (en) | 2009-06-10 |
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Granted publication date: 20090610 Termination date: 20130630 |