CN102509777A - Curing and drying method applied to lead-acid storage battery plate - Google Patents
Curing and drying method applied to lead-acid storage battery plate Download PDFInfo
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- CN102509777A CN102509777A CN2011104551917A CN201110455191A CN102509777A CN 102509777 A CN102509777 A CN 102509777A CN 2011104551917 A CN2011104551917 A CN 2011104551917A CN 201110455191 A CN201110455191 A CN 201110455191A CN 102509777 A CN102509777 A CN 102509777A
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a curing and drying method applied to a lead-acid storage battery plate. The method comprises the step of: curing a pasted green plate in a quick surface drying stage, a normal temperature curing stage and a plate drying stage, wherein the curing conditions of the quick surface drying stage comprise temperature of 200 to 320 DEG C, time of 30 to 40 seconds and humidity of less than 20 percent; the curing conditions of the normal temperature curing stage comprise temperature of 50 to 85 DEG C, time of 5 to 10 hours and humidity of 85 to 99 percent; and the curing conditions of the plate drying stage comprise temperature of 70 to 85 percent, time of 15 to 17 hours and humidity of less than 20 percent. By the method, curing and drying time can be effectively saved, and generally, 20 to 21 hours are required for curing; a plurality of green plates can be seamlessly arranged directly adjacent to each other, so that a curing space is greatly enlarged, and curing efficiency is greatly improved; and the free lead content and water content of the plate are superior to those in the conventional method.
Description
Technical field
The invention belongs to lead acid accumulator production field, be specifically related to a kind of solidifying and drying method of polar plate of lead acid storage battery
Background technology
The plate curing drying is one critical process in the polar plate of lead acid storage battery manufacture process, and it directly has influence on and change into complexity, changes into the mechanical strength and the electrical property of back pole plate, is related to the amount of capacity and the life-span length of lead acid accumulator.So the plate curing process after filling can not be adopted a casual attitude.
The polar plate solidification drying process is exactly the pole plate that scribbles wet cream, under high humidity and uniform temperature, makes water evaporates in the pole plate, and makes some variation of generation in the wet cream, and wet at last pole plate becomes the green plate that has certain intensity dry, is used for follow-up processing.
Chemical change in the solidification process has: the further oxidation of the metallic lead in the lead plaster.With cream with the oxidizability of lead powder generally about 75%～85%, with the process of cream in understand the oxidized and cream of some lead after unoxidized lead about 10%, this part lead need be oxidized gradually in the process of solidifying.Plumbous degree of oxidation is an outstanding feature of polar plate solidification quality in the lead plaster, and promptly the free lead content in the lead plaster is below 3%, and moisture is below 2%.Water content in plumbous oxidation and the lead plaster in the lead plaster, curing temperature, curing humidity, curing time, four factors were relevant.And high temperature (>=80 ℃) is solidified with the generation that is beneficial to 4BS (4PbOPbSO4), the cycle life that the pole plate after the curing has lower initial capacity to become reconciled.No matter be hot setting or low-temperature setting, higher relative humidity is the necessary condition that solidifies.Often take accomplish curing (generally all 24h more than) long curing time in the production, so that completion of cure is thorough.In solidification process, need leave certain slit between per two pole plates, be generally 2mm～4mm, this has greatly wasted the space of curing room.
Summary of the invention
The objective of the invention is to provide on the basis of existing technology a kind of and can effectively reduce the solidifying and drying method that solidifies drying time, practices thrift the curing dry place.
The object of the invention can reach through following measure:
A kind of solidifying and drying method that is applicable to polar plate of lead acid storage battery, this method comprise the green plate after filling are cured through accelerated surface drying stage, normal temperature cure stage and pole plate drying stage three phases:
The condition of cure of said accelerated surface drying stage is: 200 ℃～320 ℃ of temperature, and time 30s～40s, humidity is below 20%;
The condition of cure in said normal temperature cure stage is: 50 ℃～85 ℃ of temperature, and time 5h～10h, humidity is 85%～99%;
The condition of cure of said pole plate drying stage is: 70 ℃～85 ℃ of temperature, and time 15h～17h, humidity is below 20%.
The condition of cure of the accelerated surface drying stage in this method is preferably: 200 ℃～300 ℃ of temperature, and time 35s～40s, humidity is below 20%.Temperature further is preferably 250 ℃～300 ℃.
The condition of cure in the normal temperature cure stage in this method is preferably: 50 ℃～80 ℃ of temperature, and time 5h～10h, humidity is 85%～99%; Temperature further is preferably 70 ℃～80 ℃, and the time further is preferably 5h～8h, and humidity further is preferably 90%～99%.
The condition of cure of the pole plate drying stage in this method is preferably: 70 ℃～80 ℃ of temperature, and time 16h, humidity is below 20%.
A plurality of pole plates are in normal temperature cure stage and pole plate drying stage among the present invention, seamless putting between adjacent two pole plates.
The present invention does not have specific requirement to active material that fills on the green plate and the method for filling, and this law is dry applicable to the curing of the various pole plates of lead acid accumulator.
This solidifying and drying method can directly carry out in existing curing room or other conventional curing apparatus.
This method can effectively be saved and solidified drying time, and the general 20～21h that only needs can accomplish curing, can directly be close to seamless putting between a plurality of green plates, very big has promoted curing space and efficient, and the pole plate free lead content also is superior to the method that has now with water content simultaneously.
Embodiment
The pole plate that with thickness is 1.5mm below is an example, introduces this solidifying and drying method:
Green plate after just a plurality of the filling (conventional polar plate of lead acid storage battery is used negative plate) is put into curing room together, is cured drying as follows, and 5 pole plates randomly drawing are wherein numbered 1-5 and test respectively.
The cure stage temperature is 300 ℃ fast, time 35s, humidity 10%; 80 ℃ of normal temperature cure phase temperature, time 5h, humidity is 95%, and the drying stage temperature is 80 ℃, and the time is 16h, humidity 0%.At normal temperature cure stage and drying stage, adopt seamless putting between pole plate.
It is dry that above-mentioned same batch another part green plate is carried out common curing, and promptly first normal temperature cure is dry again.70 ℃ of normal temperature cure phase temperature, time 32h, humidity is 95%; The drying stage temperature is 80 ℃, and the time is 16h, humidity 0%.Randomly draw wherein 1 pole plate and be numbered 6 and test.
The result sees the following form.
| Pole plate number | Free lead content: % | Moisture: % |
| 1 | 1.82％ | 1.05％ |
| 2 | 1.85％ | 1.03％ |
| 3 | 1.79％ | 1.04％ |
| 4 | 1.81％ | 1.05％ |
| 5 | 1.95％ | 1.03％ |
| 6 | 2.02％ | 1.99％ |
Space availability ratio: dry than common curing, leaving the slit between every pole plate is 2mm～4mm, and adopts the present invention, and pole plate can be put in this 2mm～4mm space, and the anode volume utilance of 1.5mm can promote more than one times.
Adopt the present invention, no matter from the pole plate free lead content, water content still is a space availability ratio, and more traditional curing drying mode all has greatly improved.
Claims (5)
1. solidifying and drying method that is applicable to polar plate of lead acid storage battery is characterized in that this method comprises the green plate after filling is cured through accelerated surface drying stage, normal temperature cure stage and pole plate drying stage three phases:
The condition of cure of said accelerated surface drying stage is: 200 ℃～320 ℃ of temperature, and time 30s～40s, humidity is below 20%;
The condition of cure in said normal temperature cure stage is: 50 ℃～85 ℃ of temperature, and time 5h～10h, humidity is 85%～99%;
The condition of cure of said pole plate drying stage is: 70 ℃～85 ℃ of temperature, and time 15h～17h, humidity is below 20%.
2. method according to claim 1 is characterized in that the condition of cure of said accelerated surface drying stage is: 200 ℃～300 ℃ of temperature, and time 35s～40s, humidity is below 20%.
3. method according to claim 1 is characterized in that the condition of cure in said normal temperature cure stage is: 50 ℃～80 ℃ of temperature, and time 5h～8h, humidity is 85%～99%.
4. method according to claim 1 is characterized in that the condition of cure of said pole plate drying stage is: 70 ℃～80 ℃ of temperature, and time 16h, humidity is below 20%.
5. method according to claim 1 is characterized in that a plurality of pole plates in normal temperature cure stage and pole plate drying stage, seamless putting between adjacent two pole plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455191.7A CN102509777B (en) | 2011-12-30 | 2011-12-30 | Curing and drying method applied to lead-acid storage battery plate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110455191.7A CN102509777B (en) | 2011-12-30 | 2011-12-30 | Curing and drying method applied to lead-acid storage battery plate |
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| CN102509777A true CN102509777A (en) | 2012-06-20 |
| CN102509777B CN102509777B (en) | 2014-05-28 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903967A (en) * | 2012-10-18 | 2013-01-30 | 双登集团股份有限公司 | Method for manufacturing lead-acid battery by utilizing over-due pole plate |
| CN102903893A (en) * | 2012-10-18 | 2013-01-30 | 双登集团股份有限公司 | Method for stacking lead-acid storage battery pole plates in curing and drying manner |
| CN103107310A (en) * | 2012-11-11 | 2013-05-15 | 广西天鹅蓄电池有限责任公司 | Manufacturing method of storage battery green plate |
| CN103151499A (en) * | 2013-01-29 | 2013-06-12 | 超威电源有限公司 | Internal-formation pole plate curing process |
| CN105261731A (en) * | 2015-09-06 | 2016-01-20 | 山东超威电源有限公司 | Curing and drying process for positive electrode plate of lead-acid storage battery |
| CN105336945A (en) * | 2015-09-29 | 2016-02-17 | 双登集团股份有限公司 | High specific energy lead-acid battery production method |
| CN108232123A (en) * | 2017-12-26 | 2018-06-29 | 浙江天能动力能源有限公司 | A kind of lead-acid storage battery positive electrode plate for electric curing process |
| CN112002876A (en) * | 2020-07-23 | 2020-11-27 | 天能电池集团股份有限公司 | Quick manufacturing process for lead storage battery pole plate |
| CN112670457A (en) * | 2020-12-25 | 2021-04-16 | 天能电池集团股份有限公司 | Secondary curing method for pole plate with overproof free lead content after curing |
| CN114447287A (en) * | 2020-11-04 | 2022-05-06 | 双登集团股份有限公司 | Method for shortening curing period of start-stop lead-acid storage battery pole plate |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244261A (en) * | 2010-05-20 | 2011-11-16 | 江苏双登集团有限公司 | Anode active material of valve-regulated sealed lead acid battery for communication and preparation and curing method thereof |
-
2011
- 2011-12-30 CN CN201110455191.7A patent/CN102509777B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244261A (en) * | 2010-05-20 | 2011-11-16 | 江苏双登集团有限公司 | Anode active material of valve-regulated sealed lead acid battery for communication and preparation and curing method thereof |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903967A (en) * | 2012-10-18 | 2013-01-30 | 双登集团股份有限公司 | Method for manufacturing lead-acid battery by utilizing over-due pole plate |
| CN102903893A (en) * | 2012-10-18 | 2013-01-30 | 双登集团股份有限公司 | Method for stacking lead-acid storage battery pole plates in curing and drying manner |
| CN103107310A (en) * | 2012-11-11 | 2013-05-15 | 广西天鹅蓄电池有限责任公司 | Manufacturing method of storage battery green plate |
| CN103107310B (en) * | 2012-11-11 | 2015-07-22 | 广西天鹅蓄电池有限责任公司 | Manufacturing method of storage battery green plate |
| CN103151499A (en) * | 2013-01-29 | 2013-06-12 | 超威电源有限公司 | Internal-formation pole plate curing process |
| CN103151499B (en) * | 2013-01-29 | 2015-04-01 | 超威电源有限公司 | Internal-formation pole plate curing process |
| CN105261731A (en) * | 2015-09-06 | 2016-01-20 | 山东超威电源有限公司 | Curing and drying process for positive electrode plate of lead-acid storage battery |
| CN105261731B (en) * | 2015-09-06 | 2018-04-06 | 山东超威电源有限公司 | A kind of curing and dying process of anode plate for lead acid accumulator |
| CN105336945A (en) * | 2015-09-29 | 2016-02-17 | 双登集团股份有限公司 | High specific energy lead-acid battery production method |
| CN108232123A (en) * | 2017-12-26 | 2018-06-29 | 浙江天能动力能源有限公司 | A kind of lead-acid storage battery positive electrode plate for electric curing process |
| CN108232123B (en) * | 2017-12-26 | 2020-05-12 | 浙江天能动力能源有限公司 | Curing process for positive plate of lead-acid storage battery for electric automobile |
| CN112002876A (en) * | 2020-07-23 | 2020-11-27 | 天能电池集团股份有限公司 | Quick manufacturing process for lead storage battery pole plate |
| CN112002876B (en) * | 2020-07-23 | 2022-03-01 | 天能电池集团股份有限公司 | Quick manufacturing process for lead storage battery pole plate |
| CN114447287A (en) * | 2020-11-04 | 2022-05-06 | 双登集团股份有限公司 | Method for shortening curing period of start-stop lead-acid storage battery pole plate |
| CN112670457A (en) * | 2020-12-25 | 2021-04-16 | 天能电池集团股份有限公司 | Secondary curing method for pole plate with overproof free lead content after curing |
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| CN102509777B (en) | 2014-05-28 |
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Owner name: SHOTO GROUP CO., LTD. Free format text: FORMER OWNER: JIANGSU SHUANGDE GROUP CO., LTD. Effective date: 20150727 |
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Effective date of registration: 20150727 Address after: 225500 No. 999 West Tianmu Road, Jiangyan Economic Development Zone, Jiangsu, Taizhou Patentee after: Shoto Group Co., Ltd. Address before: Double Dengke Park Liang Xu town of Jiangyan city in Jiangsu province Taizhou City, No. 1, 225526 Patentee before: Jiangsu Shuangde Group Co., Ltd. |