CN114447287A - Method for shortening curing period of start-stop lead-acid storage battery pole plate - Google Patents
Method for shortening curing period of start-stop lead-acid storage battery pole plate Download PDFInfo
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- CN114447287A CN114447287A CN202011214591.4A CN202011214591A CN114447287A CN 114447287 A CN114447287 A CN 114447287A CN 202011214591 A CN202011214591 A CN 202011214591A CN 114447287 A CN114447287 A CN 114447287A
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- Prior art keywords
- curing
- temperature
- lead
- stage
- mixing
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000002253 acid Substances 0.000 title claims abstract description 17
- 238000004904 shortening Methods 0.000 title claims abstract description 12
- 238000003860 storage Methods 0.000 title claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 239000011505 plaster Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007580 dry-mixing Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/14—Electrodes for lead-acid accumulators
- H01M4/16—Processes of manufacture
- H01M4/22—Forming of electrodes
- H01M4/23—Drying or preserving electrodes after forming
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
- H01M4/72—Grids
- H01M4/73—Grids for lead-acid accumulators, e.g. frame plates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to the field of lead-acid storage batteries, and discloses a method for shortening the curing time of a start-stop lead-acid storage battery plate. The method mainly comprises the steps of forming 4BS by increasing the temperature of paste mixing, and then adopting high-temperature curing to shorten the curing time.
Description
Technical Field
The invention belongs to the field of lead-acid storage batteries, and particularly relates to a method for shortening the production cycle of a lead-acid storage battery.
Background
In the production process of the lead-acid battery, because unconverted free lead and water in lead plaster of a wet-grown pole plate of the lead-acid battery are too high, the lead plaster needs to be solidified and dried to reduce the content of the free lead to a lower level, the content of the free lead is reduced to be below 6 percent, and the water content is reduced to be below 1 percent.
The currently adopted curing process needs 72 hours, so that equipment and sites of manufacturers are in shortage, the cost is high, energy waste is caused, and product delivery is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the method for shortening the curing period of the start-stop lead-acid storage battery pole plate, which greatly improves the production efficiency, reduces the energy consumption and the cost.
The technical scheme for realizing the purpose of the invention is as follows: a method for shortening the curing period of start-stop lead-acid battery plates comprises a high-temperature and paste stage and a high-temperature curing stage; the high temperature and paste stage specifically comprises:
A. and (3) mixing paste: carrying out positive lead paste mixing on 10.5-11.5% of deionized water, 4.0-6.0% of sulfuric acid, 0.05-0.1% of short fibers and the balance of lead powder according to the mass percent, wherein the paste mixing temperature is 70-80 ℃;
B. smearing: coating the positive lead plaster prepared in the step A on a positive grid of a polar plate in an equivalent manner;
C. pre-curing: pre-curing the polar plate in the step B for 6 hours at the temperature of 45 ℃ in the curing stage and the curing humidity of 99%;
D. and (3) curing: c, curing the pole plate pre-cured in the step C, wherein the curing time is 10 hours, the temperature in the curing stage is 80 ℃, the humidity in the curing stage is 90-98%, the drying time is 16 hours, the drying temperature is 55-80 ℃, and the humidity in the drying stage is below 30%;
E. and (3) detection: and detecting the content of free lead and moisture by the cured polar plate.
According to the technical scheme, the drying time of the high-temperature curing stage is 16h, the drying temperature is 60-80 ℃, and the humidity of the drying stage is below 30%.
In the technical scheme, the size of the positive grid of the polar plate in the step B is 146mm x 130mm x 1.0 mm.
The step A of the technical scheme specifically comprises the following steps: preparing lead plaster formula materials according to a proportion, putting into a paste mixing machine for dry mixing for 4min, mixing uniformly, adding deionized water, mixing for 8min, finally slowly adding sulfuric acid, and mixing for at least 20 min.
After the technical scheme is adopted, the invention has the following positive effects:
(1) the time of the invention is shorter than that of the existing process, mainly means the curing stage, the time is shortened by at least 50%, the curing process can improve the productivity by more than 50%, and the production efficiency is improved.
(2) The method mainly improves the paste mixing temperature to form 4BS, and then adopts high-temperature curing to shorten the curing time, so that the curing and drying time of the lead-acid battery green plate can be shortened, namely the time after the high-temperature curing process is shortened to 32h, the production efficiency is greatly improved, and the energy consumption and the cost are reduced.
Detailed Description
The invention relates to a method for shortening the curing period of a start-stop lead-acid storage battery plate, which comprises the following specific steps:
step 1: firstly, mixing and pasting, wherein the formula of the positive lead paste comprises the following components in percentage by mass: 10.5 to 11.5 percent of deionized water, 4.0 to 6.0 percent of sulfuric acid, 0.05 to 0.1 percent of short fiber and the balance of lead powder. Preparing lead plaster formula materials according to a proportion, putting the materials into a paste mixing machine for dry mixing for 4min, uniformly mixing, adding deionized water, mixing for 8min, finally slowly adding sulfuric acid, mixing for at least 20min, controlling the temperature of the paste at 70-80 ℃, and entering a smearing process after the lead plaster meets the requirements according to specific gravity;
step 2: equally coating the positive lead plaster prepared in the step 1 on a positive grid, wherein the size of the positive grid is 146mm x 130mm x 1.0 mm; here, the same amount is the same as in normal production.
And step 3: pre-curing the polar plate in the step 2 for 6 hours, wherein the temperature of a curing stage is 45 ℃, the curing humidity is 99 percent, the curing time is 10 hours, the temperature of the curing stage is 80 ℃, the humidity of the curing stage is 90 to 98 percent, the drying time is 16 hours, the drying temperature is 60 to 80 ℃, and the humidity of the drying stage is below 30 percent;
and 4, step 4: and detecting the content of free lead and moisture by the cured polar plate.
And (3) extracting the 5 cured polar plates in the step (3) to detect the content of free lead and moisture, wherein the detection results are shown in the table 1:
TABLE 1
| Sample numbering | Free lead content (%) | Moisture content (%) |
| 1# | 1.6 | 0.68 |
| 2# | 1.4 | 0.66 |
| 3# | 1.2 | 0.54 |
| 4# | 1.8 | 0.46 |
| 5# | 1.6 | 0.63 |
From the above embodiments, it can be seen that the method for shortening the production cycle of the lead-acid storage battery is shorter than the current process time in terms of time, mainly refers to a curing stage, and shortens the time by at least 50%, and the curing process can improve the productivity by more than 50%, thereby improving the production efficiency.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A method for shortening the curing period of a start-stop lead-acid storage battery plate is characterized by comprising the following steps: comprises a high-temperature and paste stage and a high-temperature curing stage; the high temperature and paste stage specifically comprises:
A. and (3) mixing paste: carrying out positive lead paste mixing on 10.5-11.5% of deionized water, 4.0-6.0% of sulfuric acid, 0.05-0.1% of short fibers and the balance of lead powder according to the mass percent, wherein the paste mixing temperature is 70-80 ℃;
B. smearing: coating the positive lead plaster prepared in the step A on a positive grid of a polar plate in an equivalent manner;
C. pre-curing: pre-curing the polar plate in the step B for 6 hours at the temperature of 45 ℃ in the curing stage and the curing humidity of 99%;
D. and (3) curing: c, curing the pole plate pre-cured in the step C, wherein the curing time is 10 hours, the temperature in the curing stage is 80 ℃, the humidity in the curing stage is 90-98%, the drying time is 16 hours, the drying temperature is 55-80 ℃, and the humidity in the drying stage is below 30%;
E. and (3) detection: and detecting the content of free lead and water in the cured polar plate.
2. The method of shortening a start-stop lead acid battery plate curing cycle of claim 1, wherein: the drying time of the high-temperature curing stage is 16h, the drying temperature is 60-80 ℃, and the humidity of the drying stage is below 30%.
3. The method of shortening a start-stop lead acid battery plate curing cycle of claim 1, wherein: and the size of the positive grid of the polar plate in the step B is 146mm x 130mm x 1.0 mm.
4. The method of shortening a start-stop lead acid battery plate curing cycle of claim 1, wherein: the step A specifically comprises the following steps: preparing the lead plaster formula materials according to the proportion, putting the materials into a paste mixer for dry mixing for 4min, uniformly mixing, adding deionized water, mixing for 8min, finally slowly adding sulfuric acid, and mixing for at least 20 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011214591.4A CN114447287A (en) | 2020-11-04 | 2020-11-04 | Method for shortening curing period of start-stop lead-acid storage battery pole plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011214591.4A CN114447287A (en) | 2020-11-04 | 2020-11-04 | Method for shortening curing period of start-stop lead-acid storage battery pole plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114447287A true CN114447287A (en) | 2022-05-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011214591.4A Pending CN114447287A (en) | 2020-11-04 | 2020-11-04 | Method for shortening curing period of start-stop lead-acid storage battery pole plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114447287A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509777A (en) * | 2011-12-30 | 2012-06-20 | 江苏双登集团有限公司 | Curing and drying method applied to lead-acid storage battery plate |
| CN103762358A (en) * | 2014-01-10 | 2014-04-30 | 江苏苏中电池科技发展有限公司 | Positive lead plaster for lead-acid storage battery and preparation method of positive lead plaster |
| CN104064734A (en) * | 2014-06-17 | 2014-09-24 | 双登集团股份有限公司 | Lead-acid storage battery polar plate curing technology |
| CN105958129A (en) * | 2016-06-30 | 2016-09-21 | 济源市万洋绿色能源有限公司 | 6-DZM-12E lead-acid storage battery |
| CN107342396A (en) * | 2016-05-03 | 2017-11-10 | 深圳市雄韬电源科技股份有限公司 | The fast-curing process of accumulator plate |
| CN108630902A (en) * | 2018-03-28 | 2018-10-09 | 天能电池集团有限公司 | A kind of chloride plate manufacturing process |
| CN108933233A (en) * | 2017-05-22 | 2018-12-04 | 湖北润阳新能源有限公司 | A kind of lead-acid accumulator anode diachylon and the method that pole plate is prepared using the lead plaster |
| CN109698324A (en) * | 2018-06-01 | 2019-04-30 | 骆驼集团蓄电池研究院有限公司 | A kind of lead-acid battery green plate curing and dying process |
-
2020
- 2020-11-04 CN CN202011214591.4A patent/CN114447287A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509777A (en) * | 2011-12-30 | 2012-06-20 | 江苏双登集团有限公司 | Curing and drying method applied to lead-acid storage battery plate |
| CN103762358A (en) * | 2014-01-10 | 2014-04-30 | 江苏苏中电池科技发展有限公司 | Positive lead plaster for lead-acid storage battery and preparation method of positive lead plaster |
| CN104064734A (en) * | 2014-06-17 | 2014-09-24 | 双登集团股份有限公司 | Lead-acid storage battery polar plate curing technology |
| CN107342396A (en) * | 2016-05-03 | 2017-11-10 | 深圳市雄韬电源科技股份有限公司 | The fast-curing process of accumulator plate |
| CN105958129A (en) * | 2016-06-30 | 2016-09-21 | 济源市万洋绿色能源有限公司 | 6-DZM-12E lead-acid storage battery |
| CN108933233A (en) * | 2017-05-22 | 2018-12-04 | 湖北润阳新能源有限公司 | A kind of lead-acid accumulator anode diachylon and the method that pole plate is prepared using the lead plaster |
| CN108630902A (en) * | 2018-03-28 | 2018-10-09 | 天能电池集团有限公司 | A kind of chloride plate manufacturing process |
| CN109698324A (en) * | 2018-06-01 | 2019-04-30 | 骆驼集团蓄电池研究院有限公司 | A kind of lead-acid battery green plate curing and dying process |
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Application publication date: 20220506 |
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