CN111697202B - Process for rapidly curing and drying negative green plate - Google Patents
Process for rapidly curing and drying negative green plate Download PDFInfo
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- CN111697202B CN111697202B CN202010584316.5A CN202010584316A CN111697202B CN 111697202 B CN111697202 B CN 111697202B CN 202010584316 A CN202010584316 A CN 202010584316A CN 111697202 B CN111697202 B CN 111697202B
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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
- H01M4/20—Processes of manufacture of pasted electrodes
- H01M4/21—Drying of pasted electrodes
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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 belongs to the field of lead-acid storage batteries, and particularly relates to a process for quickly curing and drying a negative electrode plate, which at least comprises the following program steps: (1) a curing constant temperature and high humidity keeping stage → (2) a curing temperature rise uniform speed humidity reducing stage → (3) a curing temperature rise rapid humidity reducing stage → (4) a drying temperature rise rapid moisture discharge stage → (5) a drying high temperature rapid enhancement stage → (6) a drying temperature reduction rapid strength stage. According to the green plate cured and dried by the program, the content of basic lead carbonate of the green plate is increased, the falling strength of the green plate is further improved, the looseness of lead paste after falling is reduced, and the floating powder amount on the surface of the green plate is reduced; the improvement of the strength of the green plate reduces the fraction defective of the subsequent fragmentation and packaging of the green plate. The floating powder quantity is small, the lead powder dust in the subsequent production process of the polar plate is reduced, and the environmental pollution is reduced; the rapid curing and drying process can reduce the consumption of steam and electricity in the process, reduce the energy consumption of curing and drying and reduce the manufacturing cost.
Description
Technical Field
The invention belongs to the field of lead-acid storage batteries, and particularly relates to a process for quickly curing and drying a negative electrode plate.
Background
The lead-acid storage battery is widely used due to stable performance and high cost performance, and particularly, the market demand of the electric moped battery is larger and larger, but the price is lower and lower, so that pressure is brought to the production cost of manufacturers. The manufacture of the negative pole plate is indispensable in the battery manufacturing process, the curing and drying in the negative pole plate manufacturing process are one of the important links in the manufacturing process, and the strength of the negative pole plate and the performance of the battery are directly influenced by the quality of the curing and drying. In the process of curing and drying, the green plate is cured and dried in a curing chamber and is in a closed state, so that the appearance change of the green plate cannot be seen, and the energy consumption ratio of the green plate is in the front of the whole green plate manufacturing process due to long time and high temperature in the process of curing and drying.
Along with the capacity expansion of an electric power-assisted battery manufacturer, the production capacity of the electric power-assisted battery manufacturer is increased, the product is provided for users, the product is high in quality and low in price, the problem is solved urgently at the present stage of the manufacturer, the production cost is low, the potential excavation is required to be carried out in each link in the process, the energy is saved, the consumption is reduced, the curing and drying of the negative electrode plate is reduced, and the use efficiency of the curing chamber is improved. Although the current curing and drying process procedure of the curing and drying chamber can meet the production requirements, the cycle period is long, the use efficiency of the curing chamber is low, and the process production cost is high, so that a negative green plate rapid curing and drying process needs to be developed to reduce the process production cost.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a process for quickly curing and drying a negative green plate in the process of manufacturing a lead-acid storage battery.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a process for rapidly curing and drying a negative green plate at least comprises the following program steps:
(1) in the curing constant temperature and high humidity maintaining stage, the process program parameters are as follows:
(2) in the stage of solidification, temperature rise and uniform humidity reduction, the process program parameters are as follows:
(3) in the stage of solidification, temperature rise and rapid dehumidification, the technological process parameters are as follows:
(4) in the drying, heating and quick dehumidifying stage, the process program parameters are as follows:
(5) in the drying high-temperature rapid enhancement stage, the process program parameters are as follows:
(6) drying, cooling and fast strengthening, and the technological process parameters are as follows:
preferably, the procedure comprises the step (1) of a constant-temperature high-humidity curing stage, wherein (A1) is heated to 45 ℃, the humidity is maintained at 99-100%, and the curing is carried out for 0.8 hour; (A2) keeping the temperature at 45 ℃, keeping the humidity at 99-100%, and curing for 5 hours.
Preferably, the procedure of step (2) is a curing temperature-rising constant-speed humidity-reducing stage, wherein (B1) is heated to 49 ℃, the humidity is reduced to 92%, and the curing is carried out for 2.5 hours; (B2) heating to 53 ℃, reducing the humidity to 80%, and curing for 2.5 hours; (B3) the temperature is raised to 60 ℃, the humidity is reduced to 65 percent, and the curing is carried out for 2.5 hours.
Preferably, the procedure step (3) is a curing temperature-rising fast-dehumidifying stage, wherein (C1) is heated to 65 ℃, the humidity is reduced to 45%, and the curing is carried out for 2.2 hours; (C2) the temperature is raised to 70 ℃, the humidity is reduced to 30 percent, and the curing is carried out for 2.5 hours.
Preferably, the program step (4) is a drying temperature-rising fast dehumidifying stage, wherein (D1) is heated to 72 ℃, the humidity is reduced to 18%, and the drying is carried out for 1.5 hours; (D2) the temperature is raised to 75 ℃, the humidity is reduced to 8 percent, and the drying is carried out for 2 hours.
Preferably, the program step (5) is a drying high temperature rapid enhancement stage, wherein (E1) is warmed to 78 ℃, reduced in humidity to 0%, and dried for 5 hours.
Preferably, the program step (6) is a drying and cooling rapid strength stabilizing stage, wherein (F1) is cooled to 55 ℃, the humidity is 0%, and the drying is performed for 0.8 hour; (F2) cooling to 40 deg.C, humidity 0%, and drying for 0.7 hr.
The following is a detailed description of the combination of each stage of the cycle period of the curing and drying process of the negative electrode plate of the present invention:
1. curing constant temperature high humidity holding stage
1.1 the stage is divided into a curing temperature rise high humidity humidifying stage and a curing constant temperature high humidity maintaining stage:
1.2 Process sequence parameters at this stage:
1.3 at the stage, after the curing program is started to operate, the curing temperature, the curing humidity, the curing time and the rotating speed of the circulating fan operate according to set values;
1.4 the air inlet door is in the state of opening that can open the settlement, "opens", and in the super high temperature state, the air inlet door is opened aperture 100%, and the air inlet door is closed when the temperature is less than the settlement. The opening degree of the moisture exhaust air door is in a set 0 state and is in a closed state, so that moisture and hot gas can not be exhausted in the curing process, and high moisture is kept;
1.5 if the temperature and the humidity rise or fall, the temperature and the humidity slowly rise or fall within a set time, and the rising or falling amplitude within unit time is automatically generated by a PLC of the equipment;
1.6 the fluctuation of temperature and humidity is limited by the deviation of temperature for stopping steam humidification, the deviation of humidity for stopping steam humidification and the deviation of humidity control;
1.7 this stage is to ensure the phase change of the negative electrode plate at the initial stage of high humidity without using a heat exchanger, so the maximum hot air output rate and the deviation of the early closed angle seat valve temperature are set to 0.
2. Solidification temperature rise uniform speed humidity reduction stage
2.1 the stage is that the curing temperature is gradually increased, the curing humidity is gradually reduced, and the moisture of the green plate is simultaneously reduced:
2.2 Process sequence parameters at this stage:
2.3 the curing program at this stage is continuously operated, and the curing temperature, the curing humidity, the curing time and the rotating speed of the circulating fan are operated according to set values;
2.4 the air inlet door is in the state of opening that can open the settlement, and in the super high temperature state, the air inlet door opens 100% of openness. The air inlet door is closed when the temperature is lower than the set temperature. The opening degree of the moisture exhaust air door is opened or closed along with the humidity, the humidity is higher than a set humidity value, and the opening degree of the moisture exhaust air door is opened according to the set opening degree to exhaust moisture; when the humidity is lower than the set humidity value, the dehumidifying air door is closed, and the opening degree is 0.
2.5 if the temperature and the humidity rise or fall, the temperature and the humidity rise or fall according to a slow gradient within a set time, and the gradient rising or falling amplitude within unit time is automatically generated by a PLC of the equipment;
2.6 the fluctuation of the temperature and the humidity is limited by the maximum output rate of hot air of the heat exchanger, the temperature deviation of the early angle closing seat valve, the temperature deviation of stopping steam humidification, the humidity deviation of stopping steam humidification and the humidity control deviation;
2.7 in the stage, the moisture of the green plate lead paste is reduced, the curing humidity is gradually reduced, and the phase of the green plate lead paste is further changed. The heat exchanger is adopted at the stage, so the maximum output rate of hot air and the temperature deviation of the advance angle closing seat valve operate according to set values.
3. Curing temperature rise and rapid humidity reduction stage
3.1 at this stage, the curing temperature is further increased, the curing humidity is rapidly reduced, and the moisture of the green plate is rapidly reduced at the same time:
3.2 Process recipe parameters at this stage:
3.3 the curing program at this stage is continuously operated, and the curing temperature, the curing humidity, the curing time and the rotating speed of the circulating fan are operated according to set values;
3.4 the air inlet door is in the state of opening that can open the settlement, and in the super high temperature state, the air inlet door opens 100% of openness. The air inlet door is closed when the temperature is lower than the set temperature. The opening degree of the moisture exhaust air door is opened or closed along with the humidity, the humidity is higher than a set humidity value, and the opening degree of the moisture exhaust air door is opened according to the set opening degree to exhaust moisture; when the humidity is lower than the set humidity value, the dehumidifying air door is closed, and the opening degree is 0.
3.5 when the temperature and the humidity rise or fall, the temperature and the humidity rise or fall according to a slow gradient within a set time, and the gradient rising or falling amplitude within unit time is automatically generated by a PLC of the equipment;
3.6 the fluctuation of the temperature is limited by the maximum output rate of hot air of the heat exchanger, the temperature deviation of the early angle closing seat valve, the temperature deviation of the stop steam humidification and the humidity deviation of the stop steam humidification. The water atomization humidification is closed, the humidity control deviation does not work any more, and the humidity is limited by the humidity deviation of stopping steam humidification and the water vaporization of the lead plaster of the green plate;
3.7 in the stage, in order to quickly reduce the moisture of the green plate lead plaster, the curing humidity needs to be quickly reduced, and the phase of the green plate lead plaster is continuously changed further. The heat exchanger is adopted at the stage, so the maximum output rate of hot air and the temperature deviation of the advance angle closing seat valve operate according to set values.
4. Drying, heating and quick dehumidifying stage
4.1 this stage is that drying temperature further rises, and curing chamber humidity reduces fast, and the green plate moisture reduces fast simultaneously:
4.2 Process recipe parameters at this stage:
4.3 the drying program in the stage is continuously operated, and the temperature, the humidity, the time and the rotating speed of the circulating fan are operated according to set values;
4.4 the air inlet door is in the state of opening that can open the settlement, "open", and in the super high temperature state, the air inlet door is opened aperture 100%. The air inlet door is closed when the temperature is lower than the set temperature. The opening degree of the moisture exhaust air door is opened or closed along with the humidity, the humidity is higher than a set humidity value, and the opening degree of the moisture exhaust air door is opened according to the set opening degree to exhaust moisture; when the humidity is lower than the set humidity value, the dehumidifying air door is closed, and the opening degree is 0.
4.5 if the temperature and the humidity rise or fall, the temperature and the humidity rise or fall according to a slow gradient within a set time, and the gradient rising or falling amplitude within unit time is automatically generated by a PLC of the equipment;
4.6 the fluctuation of the temperature is limited by the maximum output rate of hot air of the heat exchanger and the deviation of the temperature of the advanced angle closing seat valve. The heating and humidifying steam is closed and stops being used, and the temperature deviation and the humidity deviation of the stopped steam humidification do not work any more. The water atomization humidification is closed, the humidity control deviation does not work any more, and the humidity is controlled by the water vaporization of the lead plaster of the green plate;
4.7 the stage is a process of rapidly reducing the residual moisture in the lead plaster, the indoor humidity needs to be rapidly reduced, the opening degree of the moisture exhaust air door is large, the air inlet door is opened simultaneously, the humidity can be rapidly reduced, and the phase change of the green plate lead plaster is reduced. The heat exchanger is adopted at the stage, so the maximum output rate of hot air and the temperature deviation of the advanced angle closing seat valve operate according to set values.
5. Dry high temperature rapid enhancement stage
5.1 the drying temperature is highest at this stage, the humidity of the curing chamber is very low, and the moisture of the green plate is reduced to be lower at the same time:
5.2 Process recipe parameters at this stage:
5.3 the drying program in the stage is continuously operated, and the temperature, the humidity, the time and the rotating speed of the circulating fan are operated according to set values;
5.4 the air inlet door is in the 'open' state that can open the settlement, and in the super high temperature state, the air inlet door opens 100% of openness. The air inlet door is closed when the temperature is lower than the set temperature. The opening degree of the dehumidifying air door is opened or closed along with the humidity, the humidity is higher than a set humidity value 0, and the opening degree of the dehumidifying air door is opened according to the set opening degree to discharge residual moisture;
5.5 the humidity reduction follows slow gradient reduction in set time, and the gradient reduction amplitude in unit time is automatically generated by a PLC of the equipment;
5.6 the fluctuation of the temperature is limited by the maximum output rate of hot air of the heat exchanger and the deviation of the temperature of the advanced angle closing seat valve. The heating and humidifying steam is closed and stops being used, and the temperature deviation and the humidity deviation of the stopped steam humidification do not work any more. The water atomization humidification is closed, the humidity control deviation does not work any more, and the humidity is controlled by the vaporization of the residual water of the green plate lead plaster;
5.7 the stage is the process that the residual moisture in the lead plaster is gradually reduced and tends to be stable, the indoor humidity is slowly reduced and tends to be stable, the opening degree of a moisture exhaust air door is properly reduced due to the reduction of moisture exhaust amount, the energy consumption is reduced, the humidity tends to be stable due to the simultaneous opening of an air inlet door, the phase change in the lead plaster of the green plate is reduced, and the basic lead carbonate formed on the surface of the lead plaster is also slowly increased. The heat exchanger is adopted at the stage, so the maximum output rate of hot air and the temperature deviation of the advance angle closing seat valve operate according to set values.
6. Drying, cooling and fast strengthening stage
6.1 this stage is that the drying temperature is reduced rapidly, and the green plate moisture tends to be stable:
6.2 Process recipe parameters at this stage:
6.3 the stage is a cooling process after drying, and the temperature, the time and the rotating speed of the circulating fan operate according to set values;
6.4 the air inlet door is in the state of opening that can open the settlement, and in the super high temperature state, the air inlet door opens 100% of openness. The air inlet door is closed when the temperature is lower than the set temperature. The opening degree of the dehumidifying air door is opened or closed along with the humidity, the humidity is higher than a set humidity value 0, and the opening degree of the dehumidifying air door is opened according to the set opening degree to discharge residual moisture;
6.5 the temperature and humidity decrease follows a slow gradient decrease within a set time, the decreasing gradient amplitude per unit time is automatically generated by the PLC of the device;
6.6 the temperature reduction fluctuation is limited by the opening of the air inlet door and the moisture exhaust air door, when the temperature is lower than the set value, the air inlet door and the moisture exhaust air door are closed, and when the temperature is higher than the set value, the air inlet door and the moisture exhaust air door are opened; in the stage, the actual temperature value is always higher than the set value, and the heat exchanger is not heated;
6.7 this stage is the process of the residual moisture in the lead plaster gradually becoming stable, the indoor humidity tends to be stable, and the formation of basic lead carbonate on the surface of the green plate lead plaster also increases slowly.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) in the curing constant-temperature high-humidity maintaining stage, the opening degree of a moisture exhaust air door is 0, so that the environment where the green plate is located can maintain enough humidity; the maximum output rate of hot air is 0, the heat exchanger is closed, and the moisture of the green plate lead plaster at each position in the curing chamber can be kept balanced and kept in a range of 9.0-9.3% only by adopting steam heating and humidification and a lower rotating speed of the circulating fan; the deviation of the temperature and humidity from the set value is small, so that the actual value in the curing chamber can reach the set value;
(2) in the curing temperature rise and uniform humidity reduction stage, the opening of the dehumidifying air door is opened according to a set value, so that the relative humidity of the environment where the green plate is located can be gradually reduced; the maximum output rate of hot air is at a lower value, the heating speed of the heat exchanger controlled by the PLC is slow, and the lead plaster of the pole plate at the air port loses water slowly, so that the phase transformation of the lead plaster is facilitated; closing the angle seat valve in advance, keeping the moisture of the lead plaster of the green plate at all positions in the curing chamber to be vaporized at a constant speed by the temperature deviation value and the temperature rise of the angle seat valve and the high rotating speed of the circulating fan, and keeping the moisture of the lead plaster at the range of 7.0-7.5% at the end of the stage; the deviation of the steam and water atomization temperature and humidity and the set value are negative, so that the actual value in the curing chamber can be ensured to be slightly lower than the set value, and the water is slowly vaporized;
(3) in the curing temperature rise and rapid humidity reduction stage, the opening degree of the dehumidifying air door is opened according to a larger set value, so that the environment where the green plate is located can be rapidly dehumidified, and the relative humidity is reduced; the maximum output rate of hot air is at a high value, the heating speed of the heat exchanger controlled by a PLC is high, the air speed of circulating hot air is high, the water loss of the pole plate lead plaster at an air port is high, the water loss of other positions is also high, and the phase of the lead plaster is converted quickly; closing the angle seat valve in advance, keeping the temperature deviation to be larger by a positive value, increasing the temperature and keeping the moisture of the lead plaster of the green plate at each position in the curing chamber to be quickly vaporized by higher rotating speed of the circulating fan, and at the end of the stage, keeping the moisture of the lead plaster in a range of 4.5-5.0% and hardening the lead plaster; the closing of water atomization can ensure that the actual humidity value in the curing chamber only comes from the interior of the green plate lead plaster, the steam humidification humidity deviation is large and negative, the steam humidification opening frequency is reduced, and the vaporization of the lead plaster moisture is facilitated;
(4) in the drying and heating rapid dehumidification stage, the opening degree of a dehumidification air door needs to be opened by a larger set value, so that the environment where the green plate is located can be rapidly dehumidified, and the actual value of the relative humidity is reduced to be below 10%; the maximum output rate of the hot air is at a higher value, the heating speed of the heat exchanger controlled by a PLC is higher, the air speed of the circulating hot air is high, the residual moisture of the pole plate lead plaster at each position in the room is quickly lost, and the phase transformation of the lead plaster is gradually slowed; closing the angle seat valve in advance, wherein the temperature deviation is larger, the positive value and the temperature are increased, and the rotating speed of the circulating fan is higher, so that the residual moisture in the lead plaster of the green plate at each position in the curing chamber can be kept to be quickly vaporized, the moisture of the lead plaster is kept within the range of 0.3-0.5% at the end of the stage, and the lead plaster has certain strength; the water atomization and the internal spraying steam closing are favorable for the vaporization of the residual moisture of the lead plaster;
(5) only a small amount of moisture is left in the lead plaster in the drying high-temperature rapid enhancement stage, the moisture in the lead plaster of the green plate can be gradually discharged without opening a large set value of the opening degree of a moisture discharging air door, and the actual value of the relative humidity in the stage is reduced to be below 7%; the maximum output rate of the hot air is in the maximum value range, the heating speed of the heat exchanger controlled by the PLC is high, the air speed of the circulating hot air is high, the residual moisture of the pole plate lead plaster at each position in the room is quickly lost, and the phase transformation of the lead plaster is slow; the temperature deviation of the angle seat valve is turned off in advance, the positive value and the temperature are increased, and the highest rotating speed of the circulating fan can keep the residual moisture in the lead plaster of the green plate at each position in the curing chamber to be vaporized rapidly, the moisture of the lead plaster is kept less than 0.12 percent at the end of the stage, a certain amount of basic lead carbonate is formed on the surface of the lead plaster, and the strength of the green plate is increased; the water atomization and the internal spraying steam closing are favorable for the vaporization of the residual moisture of the lead plaster;
(6) in the rapid and strong drying and cooling stage, the residual moisture in the lead paste is little, the opening degree of the moisture exhaust air door is opened by using the maximum set value, so that the green plate can be rapidly cooled, the air inlet door and the moisture exhaust air door are always opened to exhaust heat in the process, and the green plate is not heated any more in the stage; the rotating speed of the circulating fan is the highest rotating speed, so that the basic lead carbonate can be continuously increased on the surface of the lead plaster of the green plate at each position in the curing chamber, the strength of the green plate is stable, and the green plate is not influenced by temperature reduction.
The technological process of the invention can lead the green plate to have good consistency, the free lead of the green plate is reduced, and the water content of the green plate is reduced; according to the green plate cured and dried by the program, the content of basic lead carbonate of the green plate is increased, the falling strength of the green plate is further improved, the looseness of lead paste after falling is reduced, and the floating powder amount on the surface of the green plate is reduced; the improvement of the strength of the green plate reduces the fraction defective of the subsequent fragmentation and packaging of the green plate. The floating powder quantity is small, the lead powder dust in the subsequent production process of the polar plate is reduced, and the environmental pollution is reduced; the rapid curing and drying process can reduce the consumption of steam and electricity in the process, reduce the energy consumption of curing and drying and reduce the manufacturing cost.
Detailed Description
The following is a detailed description of specific embodiments of the invention.
A process for rapidly curing and drying a negative green plate comprises the following program steps:
(1) in the curing constant temperature and high humidity maintaining stage, the process program parameters are as follows:
(2) in the stage of solidification, temperature rise and uniform humidity reduction, the process program parameters are as follows:
(3) in the stage of solidification, temperature rise and rapid dehumidification, the technological process parameters are as follows:
(4) in the drying, heating and quick dehumidifying stage, the process program parameters are as follows:
(5) in the drying high-temperature rapid enhancement stage, the process program parameters are as follows:
(6) drying, cooling and fast strengthening, and the technological process parameters are as follows:
data comparison table of rapid curing drying program
The above embodiments are merely preferred embodiments of the present invention, and any simple modification, modification and substitution changes made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (6)
1. A process for rapidly curing and drying a negative green plate is characterized by at least comprising the following program steps:
(1) in the curing constant temperature and high humidity maintaining stage, the process program parameters are as follows:
(2) in the stage of solidification, temperature rise and uniform humidity reduction, the process program parameters are as follows:
(3) in the stage of solidification, temperature rise and rapid dehumidification, the technological process parameters are as follows:
(4) in the drying, heating and quick dehumidifying stage, the process program parameters are as follows:
(5) in the drying high-temperature rapid enhancement stage, the process program parameters are as follows:
(6) drying, cooling and fast strengthening, and the technological process parameters are as follows:
the procedure comprises the step (1) of curing, constant temperature and high humidity maintaining stage, wherein (A1) is heated to 45 ℃, the humidity is maintained at 99-100%, and curing is carried out for 0.8 hour; (A2) keeping the temperature at 45 ℃, keeping the humidity at 99-100%, and curing for 5.0 hours.
2. The process for rapidly curing and drying the negative green plate according to claim 1, wherein the procedure of the step (2) comprises a curing temperature-increasing and uniform-speed humidity-reducing stage, wherein (B1) is performed by increasing the temperature to 49 ℃, reducing the humidity to 92% and curing for 2.5 hours; (B2) heating to 53 ℃, reducing the humidity to 80%, and curing for 2.5 hours; (B3) the temperature is raised to 60 ℃, the humidity is reduced to 65 percent, and the curing is carried out for 2.5 hours.
3. The process for rapidly curing and drying the negative green plate according to claim 1, wherein the procedure comprises (3) a curing temperature rise and rapid humidity reduction stage, wherein (C1) is heated to 65 ℃, the humidity is reduced to 45%, and the curing is carried out for 2.2 hours; (C2) the temperature is raised to 70 ℃, the humidity is reduced to 30 percent, and the curing is carried out for 2.5 hours.
4. The process for rapidly curing and drying the negative green plate according to claim 1, wherein the program step (4) comprises a drying temperature rise rapid moisture removal stage, wherein (D1) is heated to 72 ℃, the humidity is reduced to 18%, and the drying is carried out for 1.5 hours; (D2) the temperature is raised to 75 ℃, the humidity is reduced to 8 percent, and the drying is carried out for 2.0 hours.
5. The process for rapidly curing and drying the negative green plate according to claim 1, wherein the procedure step (5) is a drying high temperature rapid enhancement stage, wherein (E1) is heated to 78 ℃, the humidity is reduced to 0%, and the drying is carried out for 5.0 hours.
6. The process for rapidly curing and drying the negative green plate according to claim 1, wherein the procedure of step (6) is a drying, cooling and rapid strengthening stage, wherein (F1) is cooled to 55 ℃, the humidity is 0%, and the drying is carried out for 0.8 hour; (F2) cooling to 40 deg.C, humidity 0%, and drying for 0.7 hr.
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Citations (1)
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| CN103943831A (en) * | 2014-03-25 | 2014-07-23 | 超威电源有限公司 | Electrode plate solidification technology for lead-acid battery |
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| CN103943831A (en) * | 2014-03-25 | 2014-07-23 | 超威电源有限公司 | Electrode plate solidification technology for lead-acid battery |
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| CN111697202A (en) | 2020-09-22 |
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