CN106025385A - High-temperature paste mixing method for lead-acid storage battery - Google Patents
High-temperature paste mixing method for lead-acid storage battery Download PDFInfo
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- CN106025385A CN106025385A CN201610461086.7A CN201610461086A CN106025385A CN 106025385 A CN106025385 A CN 106025385A CN 201610461086 A CN201610461086 A CN 201610461086A CN 106025385 A CN106025385 A CN 106025385A
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
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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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- 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
Abstract
The invention relates to the field of lead-acid storage batteries, and discloses a high-temperature paste mixing method for the lead-acid storage battery. The method comprises the following steps: (1) heating an interlayer of a paste mixer to 80-110 DEG C and then adding lead powder and a lead paste additive to the paste mixer for dry mixing for 5-8 minutes; (2) adding boiling pure water to the lead powder and the lead paste additive within 1-2 minutes for dry mixing for 5-10 minutes; (3) adding a paste mixing acid within 3-8 minutes; (4) after the acid is added, further mixing and stirring the mixture for 18-25 minutes, controlling the apparent gravity of the lead paste at 4.47-4.53g/cm<3>; and (5) closing a heating system of the interlayer of the paste mixer and cooling the paste mixer until the temperature of the lead paste is reduced to 40-50 DEG C to prepare a finished product of the lead paste. According to the paste mixing method, the dispersity and the consistency of the lead paste can be improved; the curing time is shortened; and the strength of a pole plate is strengthened, so that the quality of the lead-acid storage battery is improved.
Description
Technical field
The present invention relates to lead-acid accumulator field, particularly relate to a kind of lead-acid accumulator high temperature and close cream method.
Background technology
It is by Hydrocerussitum (Ceruse), pure water, sulphuric acid and additive that lead-acid accumulator closes cream operation, according to certain technological requirement, closes the process making the lead plaster meeting technology requirement and full-filling requirement in paste mixing machine.
Closing cream process is not simple physical process, but there is the process of complicated chemical change.The structure closing the formation of cream process has critically important impact to performance and the life-span of accumulator.Close cream add water, acid, additive part take part in chemical reaction, last product is more complicated, typically has lead oxide (PbO), a basic lead sulphate (PbO PbSO4), tribasic lead sulfate (3 PbO PbSO4), four basic lead sulphates (4 PbO PbSO4), lead (Pb) etc..
The Chinese patent of Application No. 201410828026.5 discloses a kind of positive plate for lead-acid accumulator, this positive plate includes alloy grid and is overlying on the plumbic acid layer on alloy grid two sides, described alloy grid is prepared from by each component of following percentage by weight: calcium 0.05-0.2%, stannum 0.6-1.0%, aluminum 0.01-0.05%, remaining as lead, described plumbic acid layer is mainly prepared from by each component of following parts by weight: Hydrocerussitum (Ceruse) 950-1050 part, water 100-110 part, 1.4g/cm3Sulphuric acid 90-100 part.This anode diachylon is to carry out closing cream at 44-46 DEG C.
Traditional conjunction cream mode is that in using, low temperature closes cream, and owing to temperature is low, evaporated quantity of water is few, in order to reach the lead plaster of technological requirement apparent gravity, closes cream process and strictly to control amount of water, and lead plaster is that grittiness exists without free water.Owing to the density variation between Hydrocerussitum (Ceruse) and batch additives is very big, this lead plaster additive of grittiness without free water is difficult to mix homogeneously with Hydrocerussitum (Ceruse), causes lead plaster concordance poor, thus affects battery with two side terminals, causes set of cells quality problems.Cream is closed so that the speed that chemical reaction is carried out is more slow, and the crystallinity of basic lead sulphate is poor, could form, through loaded down with trivial details tediously long solidification process, the pole plate that crystallinity is good after lead plaster coated plate additionally, due to middle low temperature.And middle low temperature will not generate four basic lead sulphates, plate strength is on the low side.
To sum up, if it is possible to invent a kind of can improve lead plaster concordance, shorten hardening time, strengthen plate strength conjunction cream mode, the quality of lead-acid accumulator will be had the biggest lifting.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of lead-acid accumulator high temperature and close cream method.The conjunction cream method of the present invention can improve lead plaster dispersibility, concordance, shortens hardening time, strengthens plate strength, thus improves the quality of lead-acid accumulator.
The concrete technical scheme of the present invention is: a kind of lead-acid accumulator high temperature closes cream method, comprises the following steps:
(1) paste mixing machine interlayer is heated to 80-110 DEG C, then 5-8min will be dry mixed in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine.
(2) pure water of boiling is added wet mixing 5-10min in Hydrocerussitum (Ceruse), lead plaster additive in 1-2min；Described pure water is 200-250mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse).
(3) adding conjunction cream acid in 3-8min, the acid of described conjunction cream is 80-90:1000 with the mass ratio of Hydrocerussitum (Ceruse).
(4) continue mix and blend 18-25min after acid adding terminates, lead plaster apparent gravity is controlled at 4.47-4.53g/cm3。
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 40-50 DEG C, prepare lead plaster finished product.
The present invention uses high temperature to close cream mode, and during closing cream, high temperature closes cream can control lead plaster apparent gravity well, therefore more water can be added closing cream process, make lead plaster present the dispersed of similar half suspended state, beneficially active substance and solid for mulation, improve and close cream concordance；Closing cream temperature high, the beneficially oxidation of free lead, the shortening for the follow-up polar plate solidification time provides possible；Be conducive to generating 4BS lead plaster, improve the intensity after polar plate solidification；Being conducive to the crystallinity of basic lead sulphate, active substance adhesion is improved；High temperature closes cream and improves conjunction cream efficiency, is conducive to improving production.
The lead plaster that the present invention prepares has high apparent gravity, and lead acid battery positive electrode height apparent gravity lead plaster can effectively delay anode plate grid corrosion rate during circulating battery, be conducive to extending battery cycle life.But traditional middle low temperature closes cream and closes prepared high apparent gravity lead plaster by the way of controlling amount of water, can cause that coated plate manufacturability is poor, be difficult to the shortcoming that is melted into, initial capacity is low.And the high apparent gravity lead plaster that the present invention closes system by high temperature conjunction cream mode can overcome disadvantage mentioned above.Reason is that high temperature closes cream and makes the active substance crystallization in lead plaster more abundant, and close cream whole process lead plaster and can be maintained at the condition of high temperature and make active substance crystalline particle size more homogeneous, closing cream additionally, due to high temperature and add more water, water can leave more micro-pore after at high temperature evaporating in lead plaster.
To sum up: because active substance crystallization degree is higher it is possible to overcome above-mentioned tradition high apparent gravity lead plaster to be difficult to the shortcoming being melted into；Because active substance crystalline particle more homogeneous it is possible to overcome above-mentioned tradition high apparent gravity lead plaster coated plate manufacturability difference shortcoming；Because having evaporated more juicy, lead plaster micro-pore is more, it is possible to overcome above-mentioned tradition high apparent gravity lead plaster to go out the shortcoming that its capacity is low.
As preferably, during the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
As preferably, described lead plaster additive includes Plumbum preparatium 2-5 part, 4BS 0.5-2 part, graphite 0.1-0.5 part, stannous sulfate 0.05-0.3 part, antimony oxide 0.05-0.3 part, sulfonated aromatic hydrocarbon polymer 0.1-0.5 part；Described Hydrocerussitum (Ceruse) is 93-97 part；Above-mentioned number is weight portion.
As preferably, described sulfonated aromatic hydrocarbon polymer is the condensation product sodium salt of naphthalenesulfonateformaldehyde formaldehyde.
In existing conventional lead-acid batteries, conventional dispersant is lignosulfonates.In reality application produces, additive dispersion effect wherein is not especially desirable, the lead plaster fall strength of briquette causing final sum to go out is inadequate, put into destruction grid structure when carrying out coated plate in plaster coating machine, polar board surface lacks cream and pole plate deformation, also being not easily controlled the weight of coated plate, the difficulty increasing coated plate can cause the cost allowance of process simultaneously.The present invention selects sulfonated aromatic hydrocarbon polymer as dispersant to replace lignosulfonates, and sulfonated aromatic hydrocarbon polymer and lead plaster are mixed with beneficially additive dispersion effect in active substance, and the lead plaster using the method to obtain can obtain more preferable homogeneity.
Produce additionally, sulfonated aromatic hydrocarbon polymer is prone to replicate, reduce production cost and step relative to the method for the lignosulfonates using natural extract, can promote on a large scale.Sulfonated aromatic hydrocarbon polymer is a kind of additive can with more preferable expansion effect, can accelerate battery charging switching rate, shorten the charging interval.Sulfonated aromatic hydrocarbon polymer can reduce additive and active substance incorporation time, pole plate is allowed to produce more preferable framework to resist negative plate convergent-divergent in charge and discharge process, the cohesion slowing down lead sulfate granule shapes, lead plaster coated plate plasticity and connecting forces can also be improved simultaneously, thus greatly extend the service life of battery and shorten the charging interval.Sulfonated aromatic hydrocarbon polymer usage amount is less than the consumption of lignosulfonates, and sulfonated aromatic hydrocarbon polymer stability under conditions of high temperature will be far better than lignosulfonates.
As preferably, the relative molecular mass of the condensation product sodium salt of described naphthalenesulfonateformaldehyde formaldehyde is at 7000-14000, and sulfonation degree is 70-100%.
The condensation product sodium salt performance of the naphthalenesulfonateformaldehyde formaldehyde of above-mentioned relative molecular mass and sulfonation degree is more excellent.
As preferably, when being dry mixed, stir speed (S.S.) is 90-110rpm.
As preferably, in step (2), Surfynol104E is together joined in Hydrocerussitum (Ceruse), lead plaster additive with pure water.
The present invention utilizes the feature of the superpower dispersibility of nonionic surfactant Surfynol104E to solve the lead plaster shortcoming that dispersibility is the best during closing cream.
As preferably, the quality of described Surfynol104E is the 0.01-0.1% of Hydrocerussitum (Ceruse).
As preferably, described conjunction cream acid is the sulfuric acid solution of concentration 45-55wt%.
As preferably, in step (1), use hot water, conduction oil, steam or electrical heating that paste mixing machine interlayer is heated.
It is compared with the prior art, the invention has the beneficial effects as follows:
High temperature closes cream can control lead plaster apparent gravity well, therefore can add more water closing cream process, makes lead plaster present the dispersed of similar half suspended state, beneficially active substance and solid for mulation, improves conjunction cream concordance；Closing cream temperature high, the beneficially oxidation of free lead, the shortening for the follow-up polar plate solidification time provides possible；Be conducive to generating 4BS lead plaster, improve the intensity after polar plate solidification；Being conducive to the crystallinity of basic lead sulphate, active substance adhesion is improved；High temperature closes cream and improves conjunction cream efficiency, is conducive to improving production.Above-mentioned all advantages are all conducive to the raising of lead-acid accumulator quality.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
A kind of lead-acid accumulator high temperature closes cream method, comprises the following steps:
(1) use hot water that paste mixing machine interlayer is heated, paste mixing machine interlayer is heated to 90 DEG C, then 5min will be dry mixed with the speed of 100rpm in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine.
Described lead plaster additive include Plumbum preparatium 3.5 parts, 4BS 1.25 parts, 0.3 part of graphite, stannous sulfate 0.15 part, antimony oxide 0.15 part, relative molecular mass at 7000-14000, sulfonation degree is the condensation product sodium salt 0.3 part of the naphthalenesulfonateformaldehyde formaldehyde of 70-100%；Described Hydrocerussitum (Ceruse) is 95 parts；Above-mentioned number is weight portion.
(2) pure water of boiling is added wet mixing 5min in Hydrocerussitum (Ceruse), lead plaster additive in 2min；Described pure water is 250mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse).
(3) adding the sulfuric acid solution of 50wt% in 5min, sulfuric acid solution is 85:1000 with the mass ratio of Hydrocerussitum (Ceruse).
(4) continue mix and blend 19min after acid adding terminates, lead plaster apparent gravity is controlled at 4.48g/cm3.During the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 40 DEG C, prepare lead plaster finished product.
Embodiment 2
A kind of lead-acid accumulator high temperature closes cream method, comprises the following steps:
(1) use conduction oil that paste mixing machine interlayer is heated, paste mixing machine interlayer is heated to 95 DEG C, then 6.5min will be dry mixed with the speed of 100rpm in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine.
Described lead plaster additive include Plumbum preparatium 3.5 parts, 4BS 1 part, 0.3 part of graphite, stannous sulfate 0.15 part, antimony oxide 0.15 part, relative molecular mass at 7000-14000, sulfonation degree is the condensation product sodium salt 0.3 part of the naphthalenesulfonateformaldehyde formaldehyde of 70-100%；Described Hydrocerussitum (Ceruse) is 95 parts；Above-mentioned number is weight portion.
(2) pure water of boiling is added wet mixing 7.5min in Hydrocerussitum (Ceruse), lead plaster additive in 1.5min；Described pure water is 225mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse).
(3) adding the sulfuric acid solution of 50wt% in 5.5min, sulfuric acid solution is 85:1000 with the mass ratio of Hydrocerussitum (Ceruse).
(4) continue mix and blend 21.5min after acid adding terminates, lead plaster apparent gravity is controlled at 4.50g/cm3.During the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 45 DEG C, prepare lead plaster finished product.
Embodiment 3
A kind of lead-acid accumulator high temperature closes cream method, comprises the following steps:
(1) use steam that paste mixing machine interlayer is heated, paste mixing machine interlayer is heated to 90 DEG C, then 8min will be dry mixed with the speed of 90rpm in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine.
Described lead plaster additive include Plumbum preparatium 2 parts, 4BS 0.5 part, 0.1 part of graphite, stannous sulfate 0.05 part, antimony oxide 0.05 part, relative molecular mass at 7000-14000, sulfonation degree is the condensation product sodium salt 0.1 part of the naphthalenesulfonateformaldehyde formaldehyde of 70-100%；Described Hydrocerussitum (Ceruse) is 93 parts；Above-mentioned number is weight portion.
(2) pure water of boiling is added wet mixing 5min in Hydrocerussitum (Ceruse), lead plaster additive in 1min；Described pure water is 200mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse).
(3) adding the sulfuric acid solution of 45wt% in 3min, sulfuric acid solution is 90:1000 with the mass ratio of Hydrocerussitum (Ceruse).
(4) continue mix and blend 18min after acid adding terminates, lead plaster apparent gravity is controlled at 4.47g/cm3.During the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 40 DEG C, prepare lead plaster finished product.
Embodiment 4
A kind of lead-acid accumulator high temperature closes cream method, comprises the following steps:
(1) use electrically heated mode that paste mixing machine interlayer is heated, paste mixing machine interlayer is heated to 110 DEG C, then 5min will be dry mixed with the speed of 110rpm in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine.
Described lead plaster additive include Plumbum preparatium 5 parts, 4BS 2 parts, 0.5 part of graphite, stannous sulfate 0.3 part, antimony oxide 0.3 part, relative molecular mass at 7000-14000, sulfonation degree is the condensation product sodium salt 0.5 part of the naphthalenesulfonateformaldehyde formaldehyde of 70-100%；Described Hydrocerussitum (Ceruse) is 97 parts；Above-mentioned number is weight portion.
(2) pure water of boiling is added wet mixing 10min in Hydrocerussitum (Ceruse), lead plaster additive in 2min；Described pure water is 250mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse).
(3) adding the sulfuric acid solution of 55wt% in 8min, sulfuric acid solution is 80:1000 with the mass ratio of Hydrocerussitum (Ceruse).
(4) continue mix and blend 25min after acid adding terminates, lead plaster apparent gravity is controlled at 4.53g/cm3.During the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 50 DEG C, prepare lead plaster finished product.
Embodiment 5
A kind of lead-acid accumulator high temperature closes cream method, comprises the following steps:
(1) use hot water that paste mixing machine interlayer is heated, paste mixing machine interlayer is heated to 100 DEG C, then 7min will be dry mixed with the speed of 95rpm in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine.
Described lead plaster additive include Plumbum preparatium 3 parts, 4BS 1.5 parts, 0.4 part of graphite, stannous sulfate 0.2 part, antimony oxide 0.1 part, relative molecular mass at 7000-14000, sulfonation degree is the condensation product sodium salt 0.4 part of the naphthalenesulfonateformaldehyde formaldehyde of 70-100%；Described Hydrocerussitum (Ceruse) is 96 parts；Above-mentioned number is weight portion.
(2) pure water of boiling, Surfynol104E are together joined wet mixing 8min in Hydrocerussitum (Ceruse), lead plaster additive in 2min；Described pure water is 216mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse).The quality of described Surfynol104E is the 0.05% of Hydrocerussitum (Ceruse).
(3) adding the sulfuric acid solution of 50wt% in 5min, sulfuric acid solution is 85:1000 with the mass ratio of Hydrocerussitum (Ceruse).
(4) continue mix and blend 20min after acid adding terminates, lead plaster apparent gravity is controlled at 4.52g/cm3.During the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 50 DEG C, prepare lead plaster finished product.
Embodiment 6
A kind of lead-acid accumulator high temperature closes cream method, comprises the following steps:
(1) use hot water that paste mixing machine interlayer is heated, paste mixing machine interlayer is heated to 100 DEG C, then 7min will be dry mixed with the speed of 95rpm in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine.
Described lead plaster additive include Plumbum preparatium 3 parts, 4BS 1.5 parts, 0.4 part of graphite, stannous sulfate 0.2 part, antimony oxide 0.1 part, relative molecular mass at 7000-14000, sulfonation degree is the condensation product sodium salt 0.4 part of the naphthalenesulfonateformaldehyde formaldehyde of 70-100%；Described Hydrocerussitum (Ceruse) is 96 parts；Above-mentioned number is weight portion.
(2) pure water of boiling, Surfynol104E are together joined wet mixing 8min in Hydrocerussitum (Ceruse), lead plaster additive in 2min；Described pure water is 216mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse).The quality of described Surfynol104E is the 0.01% of Hydrocerussitum (Ceruse).
(3) adding the sulfuric acid solution of 50wt% in 5min, sulfuric acid solution is 85:1000 with the mass ratio of Hydrocerussitum (Ceruse).
(4) continue mix and blend 20min after acid adding terminates, lead plaster apparent gravity is controlled at 4.52g/cm3.During the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 50 DEG C, prepare lead plaster finished product.
Embodiment 7
A kind of lead-acid accumulator high temperature closes cream method, comprises the following steps:
(1) use hot water that paste mixing machine interlayer is heated, paste mixing machine interlayer is heated to 100 DEG C, then 7min will be dry mixed with the speed of 95rpm in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine.
Described lead plaster additive include Plumbum preparatium 3 parts, 4BS 1.5 parts, 0.4 part of graphite, stannous sulfate 0.2 part, antimony oxide 0.1 part, relative molecular mass at 7000-14000, sulfonation degree is the condensation product sodium salt 0.4 part of the naphthalenesulfonateformaldehyde formaldehyde of 70-100%；Described Hydrocerussitum (Ceruse) is 96 parts；Above-mentioned number is weight portion.
(2) pure water of boiling, Surfynol104E are together joined wet mixing 8min in Hydrocerussitum (Ceruse), lead plaster additive in 2min；Described pure water is 216mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse).The quality of described Surfynol104E is the 0.1% of Hydrocerussitum (Ceruse).
(3) adding the sulfuric acid solution of 50wt% in 5min, sulfuric acid solution is 85:1000 with the mass ratio of Hydrocerussitum (Ceruse).
(4) continue mix and blend 20min after acid adding terminates, lead plaster apparent gravity is controlled at 4.52g/cm3.During the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 50 DEG C, prepare lead plaster finished product.
The lead plaster prepared by the present invention, the pole plate concordance prepared after coated plate is improved, and the internal active substance of pole plate and formula are evenly distributed, and the polar plate solidification time has original 70h to foreshorten to 50h, and plate strength gets a promotion.
The present invention makes lead plaster, can apply to actuated type lead-acid accumulator, fixed lead acid battery, traction battery, power lead-acid storage battery, accumulation energy type lead-acid accumulator.
Raw materials used, equipment in the present invention, unless otherwise noted, is the conventional raw material of this area, equipment；Method therefor in the present invention, unless otherwise noted, is the conventional method of this area.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention, every any simple modification, change and equivalent transformation made above example according to the technology of the present invention essence, all still falls within the protection domain of technical solution of the present invention.
Claims (10)
1. a lead-acid accumulator high temperature closes cream method, it is characterised in that comprise the following steps:
(1) paste mixing machine interlayer is heated to 80-110 DEG C, then 5-8min will be dry mixed in Hydrocerussitum (Ceruse), lead plaster additive addition paste mixing machine；
(2) pure water of boiling is added wet mixing 5-10min in Hydrocerussitum (Ceruse), lead plaster additive in 1-2min；Described pure water is 200-250mL/Kg with the liquid-solid ratio of Hydrocerussitum (Ceruse)；
(3) adding conjunction cream acid in 3-8min, the acid of described conjunction cream is 80-90:1000 with the mass ratio of Hydrocerussitum (Ceruse)；
(4) continue mix and blend 18-25min after acid adding terminates, lead plaster apparent gravity is controlled at 4.47-4.53g/cm3；
(5) close the heating system of paste mixing machine interlayer, paste mixing machine is cooled, until lead plaster temperature is down to 40-50 DEG C, prepare lead plaster finished product.
2. a kind of lead-acid accumulator high temperature as claimed in claim 1 closes cream method, it is characterised in that during the conjunction cream of step (1) to step (4), paste mixing machine temperature controls at 90-110 DEG C.
3. a kind of lead-acid accumulator high temperature as claimed in claim 1 closes cream method, it is characterized in that, described lead plaster additive includes Plumbum preparatium 2-5 part, 4BS 0.5-2 part, graphite 0.1-0.5 part, stannous sulfate 0.05-0.3 part, antimony oxide 0.05-0.3 part, sulfonated aromatic hydrocarbon polymer 0.1-0.5 part；Described Hydrocerussitum (Ceruse) is 93-97 part；Above-mentioned number is weight portion.
4. a kind of lead-acid accumulator high temperature as claimed in claim 3 closes cream method, it is characterised in that described sulfonated aromatic hydrocarbon polymer is the condensation product sodium salt of naphthalenesulfonateformaldehyde formaldehyde.
5. a kind of lead-acid accumulator high temperature as claimed in claim 4 closes cream method, it is characterised in that the relative molecular mass of the condensation product sodium salt of described naphthalenesulfonateformaldehyde formaldehyde is at 7000-14000, and sulfonation degree is 70-100%.
6. a kind of lead-acid accumulator high temperature as described in one of claim 1-5 closes cream method, it is characterised in that when being dry mixed, stir speed (S.S.) is 90-110rpm.
7. a kind of lead-acid accumulator high temperature as described in one of claim 1-5 closes cream method, it is characterised in that together joined in Hydrocerussitum (Ceruse), lead plaster additive with pure water by Surfynol104E in step (2).
8. a kind of lead-acid accumulator high temperature as claimed in claim 7 closes cream method, it is characterised in that the quality of described Surfynol104E is the 0.01-0.1% of Hydrocerussitum (Ceruse).
9. a kind of lead-acid accumulator high temperature as described in one of claim 1-5 closes cream method, it is characterised in that described conjunction cream acid is the sulfuric acid solution of concentration 45-55wt%.
10. a kind of lead-acid accumulator high temperature as described in one of claim 1-5 closes cream method, it is characterised in that in step (1), uses hot water, conduction oil, steam or electrical heating to heat paste mixing machine interlayer.
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| CN107482190A (en) * | 2017-07-29 | 2017-12-15 | 黄建平 | A kind of negative plate of lead storage battery lead plaster and preparation method thereof, lead accumulator |
| CN108767230A (en) * | 2018-05-31 | 2018-11-06 | 河北超威电源有限公司 | A kind of lead storage battery applied for electromotion aid car anode diachylon and preparation method thereof |
| CN110707295A (en) * | 2019-09-16 | 2020-01-17 | 天能电池(芜湖)有限公司 | High temperature and paste technology at 90 DEG C |
| CN111106314A (en) * | 2019-11-28 | 2020-05-05 | 安徽力普拉斯电源技术有限公司 | High-temperature paste mixing method for positive electrode lead paste of lead-acid storage battery |
| CN111600027A (en) * | 2020-05-07 | 2020-08-28 | 浙江埃登达新能源材料有限公司 | Storage battery pole plate lead paste, storage battery pole plate and storage battery |
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| CN107482190A (en) * | 2017-07-29 | 2017-12-15 | 黄建平 | A kind of negative plate of lead storage battery lead plaster and preparation method thereof, lead accumulator |
| CN108767230A (en) * | 2018-05-31 | 2018-11-06 | 河北超威电源有限公司 | A kind of lead storage battery applied for electromotion aid car anode diachylon and preparation method thereof |
| CN110707295A (en) * | 2019-09-16 | 2020-01-17 | 天能电池(芜湖)有限公司 | High temperature and paste technology at 90 DEG C |
| CN111106314A (en) * | 2019-11-28 | 2020-05-05 | 安徽力普拉斯电源技术有限公司 | High-temperature paste mixing method for positive electrode lead paste of lead-acid storage battery |
| CN111106314B (en) * | 2019-11-28 | 2022-09-20 | 安徽力普拉斯电源技术有限公司 | High-temperature paste mixing method for positive electrode lead paste of lead-acid storage battery |
| CN111600027A (en) * | 2020-05-07 | 2020-08-28 | 浙江埃登达新能源材料有限公司 | Storage battery pole plate lead paste, storage battery pole plate and storage battery |
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