CN106848206B - Accumulator plate rapid curing drying process - Google Patents

Accumulator plate rapid curing drying process Download PDF

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Publication number
CN106848206B
CN106848206B CN201710261343.7A CN201710261343A CN106848206B CN 106848206 B CN106848206 B CN 106848206B CN 201710261343 A CN201710261343 A CN 201710261343A CN 106848206 B CN106848206 B CN 106848206B
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pole plate
temperature
humidity
solidification
plate
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CN106848206A (en
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施享
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Zhejiang Jujiang Power Supply Manufacturing Co.,Ltd.
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Maanshan Niuze Technology Service Co Ltd
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/14Electrodes for lead-acid accumulators
    • H01M4/16Processes of manufacture
    • H01M4/20Processes of manufacture of pasted electrodes
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/14Electrodes for lead-acid accumulators
    • H01M4/16Processes of manufacture
    • H01M4/20Processes of manufacture of pasted electrodes
    • H01M4/21Drying of pasted electrodes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a kind of accumulator plate rapid curing drying process, comprising the following steps: pole plate A, is put into curing room progress precuring;B, pole plate is subjected to low temperature and low humidity solidification;C, pole plate is subjected to high temperature and heavy wet solidification;D, pole plate is subjected to lead oxidation;E, high temperature drying is finally carried out, the technique that the present invention uses can be realized the rapid curing drying to accumulator plate, improve the drying efficiency and dry mass of pole plate.

Description

Accumulator plate rapid curing drying process
Technical field
The present invention relates to battery polar plate solidification technical field of drying, specially accumulator plate rapid curing back tender Skill.
Background technique
The softening of anode plate for lead acid accumulator active material, lead plaster is bad in conjunction with grid surface will affect battery Service life, although the softening of active material and the knot of raising lead plaster and grid surface can be delayed by adding some additives It is right, but the effect of these ancillary measures is not very obvious, extends and improve the service life cycle of valve-regulated lead-acid battery, it is crucial Still it is to improve the effect of green plate curing and drying in battery manufacturing process, just can ensure that lead plaster and grid after chemical conversion in this way It is tightly combined, slows down the softening of positive plate active material.Existing curing and dying process is generally divided into two kinds: one is in high temperature Curing and drying under high pressure, grid surface corrosion layer relatively thickness provides good adhesive force for lead plaster skeleton after solidification, make lead plaster with Grid surface is tightly combined, but the existing reaction condition for solidifying chamber system and being unable to satisfy high temperature and pressure, is needed dedicated Pressure-cure chamber system in could react, therefore this technique application range is extremely restricted, and is unfavorable for promoting;It is another Technique is operated under normal pressure with existing solidification chamber system, is usually carried out under 76 DEG C or less of environment, this solidification work Skill at least needs could complete for 50 hours, curing time long low efficiency;To sum up, existing curing and dying process overall effect compared with The service life of difference, battery is shorter.
Summary of the invention
The purpose of the present invention is to provide accumulator plate rapid curing drying process, to solve to mention in above-mentioned background technique Out the problem of.
To achieve the above object, the invention provides the following technical scheme: battery pole plates rapid curing drying process, including with Lower step:
A, pole plate is put into curing room and carries out precuring: pole plate being put into curing room, by steam humidification heating device, is made Solidify indoor humidity and reach 95%-99%, temperature reaches 35 DEG C -40 DEG C, pre-cure time 10min-20min, later by pole Plate slowly cools to room temperature;
B, pole plate is carried out low temperature and low humidity solidification: starting steam humidification heating device will solidify indoor temperature and slowly rise To 55 DEG C -60 DEG C, while humidity reaches 50%-60%, keeps temperature and humidity, solidifies 60min-70min, slowly cools to later 60min is stood after room temperature;
C, pole plate is carried out high temperature and heavy wet solidification: starting steam humidification heating device will solidify indoor temperature and quickly rise To 80 DEG C -90 DEG C, while humidity reaches 95%-99%, keeps temperature and humidity, solidifies 300min-400min, later Slow cooling Constant temperature and humidity 80min-100min again after to 55 DEG C -60 DEG C is slowly cooled to room temperature stands 60min later;
D, pole plate is subjected to lead oxidation: solidification room temperature is quickly ramped up to 60 DEG C -65 DEG C, while being controlled wet in curing room Degree is 20%-30%, carries out lead oxidation;
E, finally carry out high temperature drying: keeping solidification room temperature is 85 DEG C -90 DEG C, and control humidity is 0, high temperature drying Pole plate 8-10h.
Preferably, pole plate to be solidified is placed in curing room by way of superposition in the step A, and pole in curing room Plate spacing is 1mm-2mm.
Compared with prior art, the beneficial effects of the present invention are:
(1) technique that the present invention uses can be realized dry to the rapid curing of accumulator plate, improve the dry of pole plate Dry efficiency and dry mass.
(2) in the present invention, pole plate first carries out precuring and low temperature and low humidity solidification before high temperature and heavy wet solidification, it can be ensured that pole The lead plaster activity and reaction efficiency of plate surface, further improve the curing and drying quality of accumulator plate.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
Embodiment one:
Accumulator plate rapid curing drying process, the following steps are included:
A, pole plate is put into curing room and carries out precuring: pole plate being put into curing room, by steam humidification heating device, is made Solidify indoor humidity and reach 95%, temperature reaches 35 DEG C, and pre-cure time 10min later slowly cools to pole plate often Temperature;High humidity can guarantee that each position humidity of pole plate reaches balanced, while the moisture inside pole plate also being made to obtain good holding, Be conducive to the recrystallization of basic lead sulphate, be also the oxidation of free lead in next stage lead plaster, the corrosion of grid provide it is advantageous Condition;
B, pole plate is carried out low temperature and low humidity solidification: starting steam humidification heating device will solidify indoor temperature and slowly rise To 55 DEG C, while humidity reaches 50%, keeps temperature and humidity, solidifies 60min, stands after being slowly cooled to room temperature later 60min;
C, pole plate is carried out high temperature and heavy wet solidification: starting steam humidification heating device will solidify indoor temperature and quickly rise To 80 DEG C, while humidity reaches 95%, keeps temperature and humidity, solidifies 300min, slowly cools to after 55 DEG C constant temperature again later Constant humidity 80min is slowly cooled to room temperature stands 60min later;
D, pole plate is subjected to lead oxidation: solidification room temperature is quickly ramped up to 60 DEG C, while controlled solidification indoor humidity and being 20%, carry out lead oxidation;In lead oxidation stage, can generate a large amount of heat makes pole plate temperature rise to 70 DEG C or so, is on the one hand conducive to Lead continues to aoxidize, and the pole plate for being on the other hand also beneficial to next step is dry;
E, finally carry out high temperature drying: keeping solidification room temperature is 85 DEG C, and control humidity is 0, high temperature drying pole plate 8h;In the drying process, moisture loses the portion retracts that can cause lead plaster, to prevent excessive contraction and guarantee sufficient hole Rate will maintain the balance between the evaporation rate of surface moisture and the dehumidifying of lead plaster internal moisture capillary, if moisture loses too Slowly, then it can extend the production time, reduce production efficiency.
In the present embodiment, pole plate to be solidified is placed in curing room by way of superposition in step A, and pole in curing room Plate spacing is 1mm.
Embodiment two:
Accumulator plate rapid curing drying process, the following steps are included:
A, pole plate is put into curing room and carries out precuring: pole plate being put into curing room, by steam humidification heating device, is made Solidify indoor humidity and reach 99%, temperature reaches 40 DEG C, and pre-cure time 20min later slowly cools to pole plate often Temperature;High humidity can guarantee that each position humidity of pole plate reaches balanced, while the moisture inside pole plate also being made to obtain good holding, Be conducive to the recrystallization of basic lead sulphate, be also the oxidation of free lead in next stage lead plaster, the corrosion of grid provide it is advantageous Condition;
B, pole plate is carried out low temperature and low humidity solidification: starting steam humidification heating device will solidify indoor temperature and slowly rise To 60 DEG C, while humidity reaches 60%, keeps temperature and humidity, solidifies 70min, stands after being slowly cooled to room temperature later 60min;
C, pole plate is carried out high temperature and heavy wet solidification: starting steam humidification heating device will solidify indoor temperature and quickly rise To 90 DEG C, while humidity reaches 99%, keeps temperature and humidity, solidifies 400min, slowly cools to after 60 DEG C constant temperature again later Constant humidity 100min is slowly cooled to room temperature stands 60min later;
D, pole plate is subjected to lead oxidation: solidification room temperature is quickly ramped up to 65 DEG C, while controlled solidification indoor humidity and being 30%, carry out lead oxidation;In lead oxidation stage, can generate a large amount of heat makes pole plate temperature rise to 70 DEG C or so, is on the one hand conducive to Lead continues to aoxidize, and the pole plate for being on the other hand also beneficial to next step is dry;
E, finally carry out high temperature drying: keeping solidification room temperature is 90 DEG C, and control humidity is 0, high temperature drying pole plate 10h, in the drying process, moisture lose the portion retracts that can cause lead plaster, to prevent excessive contraction and guaranteeing sufficient Porosity will maintain the balance between the evaporation rate of surface moisture and the dehumidifying of lead plaster internal moisture capillary, if what moisture lost It is too slow, then it can extend the production time, reduce production efficiency.
In the present embodiment, pole plate to be solidified is placed in curing room by way of superposition in step A, and pole in curing room Plate spacing is 2mm.
Embodiment three:
Accumulator plate rapid curing drying process, the following steps are included:
A, pole plate is put into curing room and carries out precuring: pole plate being put into curing room, by steam humidification heating device, is made Solidify indoor humidity and reach 97%, temperature reaches 38 DEG C, and pre-cure time 15min later slowly cools to pole plate often Temperature;High humidity can guarantee that each position humidity of pole plate reaches balanced, while the moisture inside pole plate also being made to obtain good holding, Be conducive to the recrystallization of basic lead sulphate, be also the oxidation of free lead in next stage lead plaster, the corrosion of grid provide it is advantageous Condition;
B, pole plate is carried out low temperature and low humidity solidification: starting steam humidification heating device will solidify indoor temperature and slowly rise To 57 DEG C, while humidity reaches 55%, keeps temperature and humidity, solidifies 65min, stands after being slowly cooled to room temperature later 60min;
C, pole plate is carried out high temperature and heavy wet solidification: starting steam humidification heating device will solidify indoor temperature and quickly rise To 85 DEG C, while humidity reaches 97%, keeps temperature and humidity, solidifies 350min, slowly cools to after 58 DEG C constant temperature again later Constant humidity 90min is slowly cooled to room temperature stands 60min later;
D, pole plate is subjected to lead oxidation: solidification room temperature is quickly ramped up to 62 DEG C, while controlled solidification indoor humidity and being 25%, carry out lead oxidation;In lead oxidation stage, can generate a large amount of heat makes pole plate temperature rise to 70 DEG C or so, is on the one hand conducive to Lead continues to aoxidize, and the pole plate for being on the other hand also beneficial to next step is dry;
E, finally carry out high temperature drying: keeping solidification room temperature is 88 DEG C, and control humidity is 0, high temperature drying pole plate 9h, in the drying process, moisture lose the portion retracts that can cause lead plaster, to prevent excessive contraction and guaranteeing sufficient hole Rate will maintain the balance between the evaporation rate of surface moisture and the dehumidifying of lead plaster internal moisture capillary, if moisture loses too Slowly, then it can extend the production time, reduce production efficiency.
In the present embodiment, pole plate to be solidified is placed in curing room by way of superposition in step A, and pole in curing room Plate spacing is 1.5mm.
The technique that the present invention uses can be realized the rapid curing drying to accumulator plate, improve the dry effect of pole plate Rate and dry mass;In the present invention, pole plate first carries out precuring and low temperature and low humidity solidification before high temperature and heavy wet solidification, it can be ensured that The lead plaster activity and reaction efficiency of polar board surface, further improve the curing and drying quality of accumulator plate.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (2)

1. accumulator plate rapid curing drying process, it is characterised in that: the following steps are included:
A, pole plate is put into curing room and carries out precuring: pole plate being put into curing room, by steam humidification heating device, makes to solidify Indoor humidity reaches 95%-99%, and temperature reaches 35 DEG C -40 DEG C, and pre-cure time 10min-20min later delays pole plate Slow cool down is to room temperature;
B, pole plate is carried out low temperature and low humidity solidification: starting steam humidification heating device will solidify indoor temperature and be slowly increased to 55 DEG C -60 DEG C, while humidity reaches 50%-60%, keeps temperature and humidity, solidifies 60min-70min, is slowly cooled to room temperature later After stand 60min;
C, pole plate is carried out high temperature and heavy wet solidification: starting steam humidification heating device will solidify indoor temperature and be quickly ramped up to 80 DEG C -90 DEG C, while humidity reaches 95%-99%, keeps temperature and humidity, solidifies 300min-400min, slowly cools to 55 later Constant temperature and humidity 80min-100min again after DEG C -60 DEG C, is slowly cooled to room temperature stands 60min later;
D, pole plate is subjected to lead oxidation: solidification room temperature is quickly ramped up to 60 DEG C -65 DEG C, while controlled solidification indoor humidity and being 20%-30% carries out lead oxidation;
E, finally carry out high temperature drying: keeping solidification room temperature is 85 DEG C -90 DEG C, and control humidity is 0, high temperature drying pole plate 8-10h。
2. accumulator plate rapid curing drying process according to claim 1, it is characterised in that: in the step A to Solidification pole plate is placed in curing room by way of superposition, and curing room internal polar plate spacing is 1mm-2mm.
CN201710261343.7A 2017-04-20 2017-04-20 Accumulator plate rapid curing drying process Active CN106848206B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107706358A (en) * 2017-09-26 2018-02-16 安徽轰达电源有限公司 A kind of polar plate solidification technique prepared for accumulator plate
CN108711610B (en) * 2018-04-20 2020-09-01 天能电池集团股份有限公司 Lead storage battery pole plate curing and drying process
CN109755516B (en) * 2018-12-29 2021-10-08 苏州大学 Adhesive lead-carbon composite cathode
CN110474022B (en) * 2019-08-05 2020-10-13 天能电池集团股份有限公司 Solidifying and drying method for lead storage battery pole plate
CN110396585A (en) * 2019-08-26 2019-11-01 浙江天能电池江苏新能源有限公司 Battery grid aging technique
CN112186136B (en) * 2020-10-29 2021-09-17 天能集团(河南)能源科技有限公司 Pretreatment process for curing and matching formation of polar plate for lead-acid storage battery

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CN103715397A (en) * 2013-12-07 2014-04-09 河南超威电源有限公司 Plate grid surface dip bonding liquid and polar plate curing process method
CN103762340A (en) * 2014-01-14 2014-04-30 天能集团江苏科技有限公司 Rapid high-temperature curing drying process of lead-acid storage battery unformed electrode plate
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CN102683651A (en) * 2012-05-28 2012-09-19 江苏超威电源有限公司 Intermittent sectional quick solidification method for cadmium-free internal formation storage battery
CN103715397A (en) * 2013-12-07 2014-04-09 河南超威电源有限公司 Plate grid surface dip bonding liquid and polar plate curing process method
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Effective date of registration: 20201126

Address after: 321106 Zhejiang Lanxi city Jinhua city tour Town Industrial Park

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Address before: 243000 Anhui city of Ma'anshan province high tech Zone at 1669 North Road Huo sparkle Building No. 2

Patentee before: MAANSHAN NIUZE TECHNOLOGY SERVICE Co.,Ltd.

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