CN103708536A - Production technique for red lead containing rare earth - Google Patents
Production technique for red lead containing rare earth Download PDFInfo
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- CN103708536A CN103708536A CN201310726557.9A CN201310726557A CN103708536A CN 103708536 A CN103708536 A CN 103708536A CN 201310726557 A CN201310726557 A CN 201310726557A CN 103708536 A CN103708536 A CN 103708536A
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- lead
- rare earth
- production technique
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- red lead
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Abstract
The invention discloses a production technique for red lead containing rare earth, relating to the technical field of red lead production. The production technique is characterized by comprising the following steps: (1) melting lead at the temperature of 670DEG C and fast pouring into cold water to obtain lead foam; (2) oxidizing the foam lead to obtain lead hydroxide in the presence of an oxidization accelerator; (3) enabling the lead hydroxide to react with 4%-5% acetic acid to obtain lead acetate; (4) adding rare earth elements into lead carbonate; (5) introducing carbon dioxide in the lead carbonate and the rare earth elements at atmospheric temperature to obtain lead carbonate precipitate; and (6) filtering the lead carbonate precipitate and firing at the temperature of 470DEG C to obtain the red lead. The production technique is simple in formula, convenient to control, good in stability, high in formation efficiency, and capable of greatly increasing the early-stage capacity and prolonging the cycle life of a storage battery.
Description
Technical field:
The present invention relates to the production technical field of red lead, specifically a kind of red lead production technique that contains rare earth.
Background technology:
Red lead is tri-lead tetroxide, has another name called red lead.It during normal temperature, is bright red powder.After being in harmonious proportion mutually with oils, be coated on ironware, can prevent from getting rusty.Sometimes for miliaria only, but due to wherein leaded, easily cause lead poisoning, therefore should be cautious use of.Red lead is still produced one of important lead plaster material of store battery, is all generally to produce pure red lead in the production of existing red lead, and the red lead of producing is being that performance is general as store battery lead plaster material, and stability is general, and formation efficiency is lower.
Summary of the invention:
Technical problem to be solved by this invention is to provide a kind of stability processing high, the high red lead production technique that contains rare earth of formation efficiency.
The object that will reach in order to realize the present invention, adopts following technical scheme:
A red lead production technique that contains rare earth, is characterized in that: comprise the following steps: that (1) lead makes flower bulb lead pour cold water into rapidly after fusing at 670 ℃ of temperature in; (2) flower bulb lead under oxidation promotor through being oxidized to obtain lead hydroxide; (3) make plumbic acetate with 4%～5% acetic acid reaction; (4) in lead carbonate, add rare earth element; (5) lead carbonate and rare earth element pass at normal temperatures carbonic acid gas and make lead carbonate precipitation; (6) lead carbonate precipitates calcination red lead processed at 470 ℃ of temperature after filtration.
Described rare earth element comprises one or more in rare earth oxide, rare earth nitrate or rare earth organism.
Described flower bulb lead is oxidized 2h under the environment of oxidation promotor.
The concentration of described acetic acid is 4%～5%.
The invention has the beneficial effects as follows: the present invention fills a prescription simply, be convenient to control, stable form is good, and formation efficiency is high, can greatly improve store battery initial capacity and service life cycle.
Embodiment:
For technique means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with specific examples, further set forth the present invention.
A red lead production technique that contains rare earth, comprises the following steps: that (1) lead makes flower bulb lead pour cold water into rapidly after fusing at 670 ℃ of temperature in; (2) flower bulb lead under oxidation promotor through being oxidized to obtain lead hydroxide; (3) make plumbic acetate with 4% acetic acid reaction; (4) in lead carbonate, add rare earth element; (5) lead carbonate and rare earth element pass at normal temperatures carbonic acid gas and make lead carbonate precipitation; (6) lead carbonate precipitates calcination red lead processed at 470 ℃ of temperature after filtration.Rare earth element comprises one or more in rare earth oxide, rare earth nitrate or rare earth organism.Flower bulb lead is oxidized 2h under the environment of oxidation promotor.The concentration of acetic acid is 4%.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. a red lead production technique that contains rare earth, is characterized in that: comprise the following steps: that (1) lead makes flower bulb lead pour cold water into rapidly after fusing at 670 ℃ of temperature in; (2) flower bulb lead under oxidation promotor through being oxidized to obtain lead hydroxide; (3) make plumbic acetate with 4%～5% acetic acid reaction; (4) in lead carbonate, add rare earth element; (5) lead carbonate and rare earth element pass at normal temperatures carbonic acid gas and make lead carbonate precipitation; (6) lead carbonate precipitates calcination red lead processed at 470 ℃ of temperature after filtration.
2. a kind of red lead production technique that contains rare earth according to claim 1, is characterized in that: described rare earth element comprises one or more in rare earth oxide, rare earth nitrate or rare earth organism.
3. a kind of red lead production technique that contains rare earth according to claim 1 and 2, is characterized in that: described flower bulb lead is oxidized 2h under the environment of oxidation promotor.
4. a kind of red lead production technique that contains rare earth according to claim 3, is characterized in that: the concentration of described acetic acid is 4%～5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310726557.9A CN103708536A (en) | 2013-12-25 | 2013-12-25 | Production technique for red lead containing rare earth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310726557.9A CN103708536A (en) | 2013-12-25 | 2013-12-25 | Production technique for red lead containing rare earth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103708536A true CN103708536A (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310726557.9A Pending CN103708536A (en) | 2013-12-25 | 2013-12-25 | Production technique for red lead containing rare earth |
Country Status (1)
| Country | Link |
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| CN (1) | CN103708536A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428889A (en) * | 2018-03-21 | 2018-08-21 | 孟婷婷 | A kind of lead-acid accumulator negative pole lead paste containing rare earth red lead |
| CN108550797A (en) * | 2018-03-21 | 2018-09-18 | 安徽骏马化工科技股份有限公司 | The method for preparing rare earth red lead using red lead production technology |
| CN108550804A (en) * | 2018-03-21 | 2018-09-18 | 孟婷婷 | A kind of lead-acid accumulator anode diachylon containing rare earth red lead |
| CN108598387A (en) * | 2018-03-21 | 2018-09-28 | 孟婷婷 | A kind of preparation method of lead-acid accumulator rare earth red lead |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899500A (en) * | 2012-10-16 | 2013-01-30 | 安徽骏马再生铅产业工程技术研究中心 | Preparation method for producing electronic-grade rare earth red lead by using lead plaster of waste lead-acid storage battery |
-
2013
- 2013-12-25 CN CN201310726557.9A patent/CN103708536A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102899500A (en) * | 2012-10-16 | 2013-01-30 | 安徽骏马再生铅产业工程技术研究中心 | Preparation method for producing electronic-grade rare earth red lead by using lead plaster of waste lead-acid storage battery |
Non-Patent Citations (1)
| Title |
|---|
| 何晓梅: "红丹生产新工艺研究", 《精细化工中间体》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428889A (en) * | 2018-03-21 | 2018-08-21 | 孟婷婷 | A kind of lead-acid accumulator negative pole lead paste containing rare earth red lead |
| CN108550797A (en) * | 2018-03-21 | 2018-09-18 | 安徽骏马化工科技股份有限公司 | The method for preparing rare earth red lead using red lead production technology |
| CN108550804A (en) * | 2018-03-21 | 2018-09-18 | 孟婷婷 | A kind of lead-acid accumulator anode diachylon containing rare earth red lead |
| CN108598387A (en) * | 2018-03-21 | 2018-09-28 | 孟婷婷 | A kind of preparation method of lead-acid accumulator rare earth red lead |
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Application publication date: 20140409 |