CN112103497A - Lead paste for negative plate of lead storage battery and preparation method thereof - Google Patents
Lead paste for negative plate of lead storage battery and preparation method thereof Download PDFInfo
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- CN112103497A CN112103497A CN202011139635.1A CN202011139635A CN112103497A CN 112103497 A CN112103497 A CN 112103497A CN 202011139635 A CN202011139635 A CN 202011139635A CN 112103497 A CN112103497 A CN 112103497A
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/56—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead
- H01M4/57—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of lead of "grey lead", i.e. powders containing lead and lead oxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/808—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with stirrers driven from the bottom of the receptacle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/56—Mixers with shaking, oscillating, or vibrating mechanisms having a vibrating receptacle provided with stirring elements, e.g. independent stirring elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/70—Drives therefor, e.g. crank mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/82—Combinations of dissimilar mixers
- B01F33/821—Combinations of dissimilar mixers with consecutive receptacles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/325—Driving reciprocating or oscillating stirrers
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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
- H01M4/04—Processes of manufacture in general
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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
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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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
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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 lead paste of a negative plate of a lead storage battery and a preparation method thereof, which relate to the technical field of lead storage batteries and comprise the following raw materials in parts by weight: 600 parts of lead powder, 30-35 parts of lamp black, 70-90 parts of nano barium sulfate, 10-15 parts of fulvic acid, 10-20 parts of lignin, 20-40 parts of strontium carbonate, 10-15 parts of chopped fiber, 5-10 parts of graphene, 30-40 parts of dilute sulfuric acid, 50-70 parts of deionized water, 10-13 parts of binder, 5-9 parts of surfactant and 10-13 parts of base oil. The lead plaster has excellent performances, and in the preparation process, the raw materials are mixed and poured in batches, so that the mixing quality among the raw materials is high, the mechanical strength is high, the lead plaster is easy to form, and is not easy to fall off and crack after being formed.
Description
Technical Field
The invention relates to the technical field of lead storage batteries, in particular to a negative plate diachylon of a lead storage battery and a preparation method thereof.
Background
The lead accumulator is also called lead-acid accumulator, which is one kind of accumulator, the electrode is mainly made of lead, the electrolyte is a kind of accumulator of sulfuric acid solution, and it is generally divided into two kinds of open type accumulator and valve control type accumulator, the lead accumulator is mainly composed of the following components: the lead plaster is a plastic pasty mixture prepared by mixing and stirring lead powder, water, sulfuric acid and additives and generating physical and chemical changes, contains lead oxide, basic lead sulfate, metallic lead, lead hydroxide, water and additives, and is coated and filled on a grid to prepare the pasted polar plate of the lead-acid storage battery.
Chinese patent discloses a negative electrode lead paste for improving dynamic charge acceptance characteristics of AGM batteries and a preparation method thereof (publication No. CN103456930B), the patent including: 90-110 parts of lead powder, 0.2-2 parts of barium sulfate, 0.1-3 parts of mixed organic expanding agent, 0.1-4 parts of mixed carbon additive, 2-10 parts of sulfuric acid and 9-18 parts of water; wherein, the mixed carbon additive consists of 0.1 to 1 portion of middle-high specific surface area carbon black and 0.1 to 1 portion of low specific surface area conductive carbon black; the medium-high specific surface area carbon black refers to carbon black with the specific surface area of 200-2000m 2/g; the low specific surface area conductive carbon black refers to carbon black with the specific surface area less than 100m2/g and the resistivity less than or equal to 1.8 omega m; the mixed organic expanding agent consists of humic acid and sodium lignosulphonate in a mass ratio of 16:1-1: 1.
Most of the existing lead plaster production processes uniformly mix and stir various raw materials, so that the raw materials are mixed poorly, the performance of the lead plaster is affected, and in the preparation process, the equipment used in the existing production processes is single in structure and function.
Disclosure of Invention
In order to overcome the technical problems that various raw materials are mixed and stirred uniformly in most of the existing lead plaster production processes, so that the mixing of the raw materials is poor, the performance of the lead plaster is affected, and the equipment structure and the function used in the existing production processes are single in the preparation process, the invention aims to provide the lead plaster for the negative plate of the lead storage battery and the preparation method thereof.
The purpose of the invention can be realized by the following technical scheme:
the lead paste for the negative plate of the lead storage battery comprises the following raw materials in parts by weight: 600 parts of lead powder 500, 30-35 parts of lamp black, 70-90 parts of nano barium sulfate, 10-15 parts of fulvic acid, 10-20 parts of lignin, 20-40 parts of strontium carbonate, 10-15 parts of chopped fiber, 5-10 parts of graphene, 30-40 parts of dilute sulfuric acid, 50-70 parts of deionized water, 10-13 parts of binder, 5-9 parts of surfactant and 10-13 parts of base oil;
the method comprises the following steps:
the method comprises the following steps: preparing raw materials according to the proportion, and mixing lead powder according to the weight ratio of 8: 2, dividing the lead powder into a lead powder A and a lead powder B, and mixing deionized water according to a ratio of 7: 3, dividing the mixture into two parts of deionized water A and deionized water B;
step two: pouring the lead powder A into a paste mixer for dry mixing for 2-2.5min, mixing the lead powder B with lamp black, nano barium sulfate, lignin, strontium carbonate, chopped fibers and graphene, and then adding the mixture into the lead powder A for dry mixing for 3-5 min;
step three: mixing the deionized water B with the fulvic acid, the binder, the surfactant and the synthetic ester base oil, pouring the mixture into a paste mixer for later use, adding the ionized water A into the paste mixer, and mixing the ionized water A with the raw water in the second step for 3-4 min;
step four: dividing dilute sulfuric acid into four parts in equal proportion, sequentially adding into a paste mixer, and carrying out acid mixing on the raw materials in the third step, wherein the acid mixing time is 1-1.5min each time;
step five: adding the raw materials in the third step into the raw materials in the fourth step, and mixing for 2 min;
step six: cooling to 35-40 deg.C, and discharging the lead paste when the density of the lead paste is 4.4-4.5g/mL to obtain the final product.
As a further scheme of the invention: the chopped fiber is made of poly-p-phenylene terephthamide fiber and has a length of 3-5 mm.
As a further scheme of the invention: the base oil is one or a mixture of synthetic ester and poly alpha-olefin oil.
The invention also discloses a preparation method of the storage battery negative plate lead plaster, which comprises the following steps:
the method comprises the following steps: preparing raw materials according to the proportion, and mixing lead powder according to the weight ratio of 8: 2, dividing the lead powder into a lead powder A and a lead powder B, and mixing deionized water according to a ratio of 7: 3, dividing the mixture into two parts of deionized water A and deionized water B;
step two: pouring the lead powder A into a paste mixer for dry mixing for 2-2.5min, mixing the lead powder B with lamp black, nano barium sulfate, lignin, strontium carbonate, chopped fibers and graphene, and then adding the mixture into the lead powder A for dry mixing for 3-5 min;
step three: mixing the deionized water B with the fulvic acid, the binder, the surfactant and the synthetic ester base oil, pouring the mixture into a paste mixer for later use, adding the ionized water A into the paste mixer, and mixing the ionized water A with the raw water in the second step for 3-4 min;
step four: dividing dilute sulfuric acid into four parts in equal proportion, sequentially adding into a paste mixer, and carrying out acid mixing on the raw materials in the third step, wherein the acid mixing time is 1-1.5min each time;
step five: adding the raw materials in the third step into the raw materials in the fourth step, and mixing for 2 min;
the use method of the paste mixing machine comprises the following steps: pouring lead powder A into a mixing tank, starting a hydraulic rod, sealing the mixing tank through a sealing cover, starting a second driving motor, driving a first connecting shaft and a first stirring blade to rotate by the second driving motor, dry-mixing the lead powder A, pouring lead powder B, lamp black, nano barium sulfate, lignin, strontium carbonate, chopped fibers and graphene into a shaking box in the mixing tank through a second feeding pipe, starting a third driving motor, driving a second connecting shaft and a side rod to rotate by the third driving motor, intermittently touching an arc block when the side rod rotates, driving the shaking box to incline by a compression spring ball when the side rod touches the arc block, driving the shaking box by the spring ball after the side rod leaves the arc block, shaking the inner raw materials by the arc block when the side rod contacts the arc block at a high frequency, and shaking the inner raw materials when the side rod rotates, driving the dispersion rod to mix the raw materials, and after the raw materials are mixed, opening an electromagnetic valve in the telescopic pipe to enable the raw materials to fall into the mixing tank from the telescopic pipe;
mixing deionized water B with fulvic acid, a binder, a surfactant and synthetic ester base oil, pouring the mixture into a third communicating groove through a group of first feeding pipes, pouring plasma water A into a mixing tank through a group of first feeding pipes along a first communicating groove, a liquid outlet pipe and a first folding pipe, pouring dilute sulfuric acid into the mixing tank through a group of first feeding pipes along a second communicating groove, a liquid outlet pipe and a first folding pipe, wherein when the plasma water A and the dilute sulfuric acid flow in the first communicating groove and the second communicating groove, turbine blades in the first communicating groove and the second communicating groove are driven to rotate, when the turbine blades rotate, a second stirring blade is driven to rotate through a third connecting shaft, and raw materials in the third communicating groove are stirred after the second stirring blade rotates;
step six: cooling to 35-40 deg.C, and discharging the lead paste when the density of the lead paste is 4.4-4.5g/mL to obtain the final product.
As a further scheme of the invention: the pressure of the first acid mixing of the paste neutralizing machine in the fourth step is 120mbar under negative pressure, the pressure of the second acid mixing is 75% of the pressure of the first acid mixing, the pressure of the third acid mixing is 50% of the pressure of the first acid mixing, and the pressure of the fourth acid mixing is 25% of the pressure of the first acid mixing.
As a further scheme of the invention: the paste mixing machine comprises a base plate, wherein one side of the upper surface of the base plate is fixedly connected with a control console, the other side of the upper surface of the base plate is fixedly connected with a supporting plate, the top end of one side of the supporting plate is fixedly connected with a first driving motor, a mixing tank is rotatably connected between the supporting plate and the control console, the output end of the first driving motor is fixedly connected with the rotating part of the mixing tank, the upper surface of the control console is fixedly connected with a supporting column, the top end of the supporting column is fixedly connected with a feeding box, one end of the upper surface of the feeding box is fixedly connected with three groups of first feeding pipes, the other end of the upper surface of the feeding box is fixedly connected with the mixing tank, the lower surface of the feeding box is fixedly connected with a hydraulic rod, the bottom end of the hydraulic rod is fixedly connected with a sealing cover, therefore, the vacuum pump is fixedly connected inside the feeding box, the liquid outlet pipe is fixedly connected to the lower surface of the feeding box, the second folding pipe is fixedly connected between the vacuum pump and the sealing cover, and the first folding pipe is fixedly connected between the liquid outlet pipe and the sealing cover.
As a further scheme of the invention: the lower fixed surface of blending tank is connected with second driving motor, and the inside rotation of blending tank is connected with first connecting axle, second driving motor's output and first connecting axle fixed connection, the first stirring leaf of the side fixedly connected with a plurality of first connecting axle, and the downside that first connecting axle side is close to first stirring leaf all overlaps and is equipped with trapezoidal cover, first stirring leaf all inclines towards the downside, fixed surface is connected with electric telescopic handle on the base plate, electric telescopic handle's top fixedly connected with layer board, the layer board is located the blending tank under.
As a further scheme of the invention: the inner part of the mixing box is provided with a shaking box, a plurality of spring balls are adhered and connected between the mixing box and the shaking box, a plurality of rows of arc blocks are fixedly connected to the inner wall of the shaking box, communication holes are formed in the lower surface of the shaking box, the number of the arc blocks in each row is a plurality of, a third driving motor is fixedly connected to the upper surface of the mixing box, second feeding pipes are fixedly connected to two sides of the upper surface of the mixing box, which are close to the third driving motor, respectively, the output end of the third driving motor extends into the shaking box, a second connecting shaft is fixedly connected to the output end of the third driving motor, the bottom end of the second connecting shaft penetrates through the communication holes and is rotatably connected with the mixing box, a rotating ring is rotatably connected to the outer side of one section of the second connecting shaft, which is positioned in the communication holes, and a connecting belt, the side face of the second connecting shaft is fixedly connected with a plurality of rows of side rods, each row of side rods and each row of arc blocks are respectively at the same horizontal height, the lower surface of the sealing cover is in threaded connection with a plurality of dispersing rods, and a connecting hose is connected between the discharge port of the mixing box and the discharge port of the shaking box in an adhering mode.
As a further scheme of the invention: first intercommunication groove, second intercommunication groove and third intercommunication groove have been seted up in proper order down from last to the feed box is inside, first intercommunication groove, second intercommunication groove and third intercommunication groove communicate with three first inlet pipes of group respectively, and first intercommunication groove, second intercommunication groove and third intercommunication groove all communicate with the drain pipe, the inside rotation of third intercommunication groove is connected with the third connecting axle, the top of third connecting axle runs through the inside that the second intercommunication groove just extended to first intercommunication groove respectively, and the top of third connecting axle rotates with the inner wall of first intercommunication groove to be connected, the third connecting axle is located the equal fixedly connected with turbine leaf in the outside of second intercommunication groove and first intercommunication groove, the third connecting axle is located the outside fixedly connected with second stirring leaf of second stirring leaf.
The invention has the beneficial effects that:
1. the lead plaster has excellent performances, and in the preparation process, the raw materials are mixed and poured in batches, so that the mixing quality among the raw materials is high, the mechanical strength is high, the lead plaster is easy to form, and is not easy to fall off and crack after being formed.
2. According to the paste mixing machine, a small amount of raw materials can be mixed through the mixing box, when the mixing box is mixed, a side lever in the mixing box can drive the dispersing rod to rotate while intermittently touching the arc block, and can drive the shaking box to shake when the arc block is touched, so that the raw materials can be shaken, the mixing quality of the raw materials can be improved, the powdery raw materials can be prevented from being adhered to the inner wall of the shaking box, the shaking box is connected with the second connecting shaft through the connecting belt and the rotating ring, the shaking box and the mixing box can be isolated when rotation is met, raw materials are prevented from being leaked, meanwhile, the shaking box is communicated with a discharge port of the mixing box through the connecting hose, and the problem that the discharge port of the shaking box is staggered with the discharge port of the mixing box when the shaking box shakes can be avoided.
3. According to the invention, the plurality of communicating grooves are formed in the feeding box of the paste mixer, the third connecting shaft and the plurality of turbine blades are arranged between the communicating grooves, when liquid raw materials flow in the first communicating groove and the second communicating groove, the second stirring blade can be driven to rotate through the turbine blades, when the second stirring blade rotates, the raw materials in the third communicating groove can be stirred, and thus the mixing quality of the liquid raw materials can be improved.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of a mixing tank of the present invention;
FIG. 3 is a cross-sectional view of the mixing box of the present invention;
FIG. 4 is an enlarged view of the structure of portion A of FIG. 3 according to the present invention;
FIG. 5 is a top cross-sectional view of the mixing box of the present invention;
fig. 6 is a partial cross-sectional view of the feed box of the present invention.
In the figure: 1. a substrate; 2. a console; 3. a support plate; 4. a first drive motor; 5. a mixing tank; 6. a hydraulic lever; 7. a support plate; 8. an electric telescopic rod; 9. a support pillar; 10. a feeding box; 11. a first feed tube; 12. a mixing box; 13. a telescopic pipe; 14. a vacuum pump; 15. a liquid outlet pipe; 16. a first folded tube; 17. a second folded tube; 18. a sealing cover; 19. a second drive motor; 20. a first connecting shaft; 21. a first stirring blade; 22. a trapezoidal sleeve; 23. shaking the box; 24. a spring ball; 25. an arc block; 26. a third drive motor; 27. a second feed tube; 28. a second connecting shaft; 29. a side lever; 30. a dispersion rod; 31. a connecting hose; 32. a first connecting groove; 33. a second communicating groove; 34. a third communicating groove; 35. a turbine blade; 36. a third connecting shaft; 37. a second stirring blade; 231. a communicating hole; 232. a rotating ring; 233. and a connecting belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a method for preparing a negative plate lead paste of a lead storage battery includes the following steps:
the method comprises the following steps: the raw materials are prepared according to the mixture ratio and comprise the following raw materials in parts by weight: 550 parts of lead powder, 32 parts of lamp black, 80 parts of nano barium sulfate, 13 parts of fulvic acid, 16 parts of lignin, 26 parts of strontium carbonate, 12 parts of chopped fiber, 8 parts of graphene, 33 parts of dilute sulfuric acid, 62 parts of deionized water, 11 parts of binder, 7 parts of surfactant and 13 parts of base oil, wherein the binder is a flame-retardant a-cyanoacrylate binder, the surfactant is stearic acid, the chopped fiber is poly-p-phenylene terephthalamide fiber, the length of the chopped fiber is 4mm, and the lead powder is prepared by mixing the following components in parts by weight: 2, dividing the lead powder into a lead powder A and a lead powder B, taking the base oil as synthetic ester, and mixing deionized water according to a ratio of 7: 3, dividing the mixture into two parts of deionized water A and deionized water B;
step two: pouring the lead powder A into a paste mixer for dry mixing for 2min, mixing the lead powder B with lamp black, nano barium sulfate, lignin, strontium carbonate, chopped fibers and graphene, and then adding the mixture into the lead powder A for dry mixing for 4 min;
step three: mixing deionized water B with fulvic acid, binder, surfactant and synthetic ester base oil, pouring into a paste mixer for later use, adding ionized water A into the paste mixer, and mixing with the raw water in the second step for 3.5 min;
step four: dividing dilute sulfuric acid into four parts in equal proportion, sequentially adding the four parts into a paste mixer, and carrying out acid mixing on the raw materials in the third step, wherein the time length of each acid mixing is 1.5min, the pressure of the first acid mixing is 120mbar, the pressure of the second acid mixing is 75% of that of the first acid mixing, the pressure of the third acid mixing is 50% of that of the first acid mixing, and the pressure of the fourth acid mixing is 25% of that of the first acid mixing;
step five: adding the raw materials in the third step into the raw materials in the fourth step, and mixing for 2 min;
step six: cooling to 35 deg.C, and discharging the lead paste with density of 4.5/ml to obtain the final product.
Referring to fig. 1, the paste mixer comprises a base plate 1, a console 2 is fixedly connected to one side of the upper surface of the base plate 1, a support plate 3 is fixedly connected to the other side of the upper surface of the base plate 1, a first driving motor 4 is fixedly connected to the top end of one side of the support plate 3, a mixing tank 5 is rotatably connected between the support plate 3 and the console 2, the output end of the first driving motor 4 is fixedly connected to the rotating part of the mixing tank 5, a support pillar 9 is fixedly connected to the upper surface of the console 2, a feeding box 10 is fixedly connected to the top end of the support pillar 9, three sets of first feeding pipes 11 are fixedly connected to one end of the upper surface of the feeding box 10, a mixing box 12 is fixedly connected to the other end of the upper surface of the feeding box 10, a hydraulic rod 6 is fixedly connected to the lower surface of the feeding box 10, a sealing cover 18 is, the telescopic pipe 13 is formed by connecting two groups of columnar members in a sliding manner, the bottom end of the telescopic pipe 13 penetrates through the feeding box 10 and the sealing cover 18, so that a vacuum pump 14 is fixedly connected inside the feeding box 10, a liquid outlet pipe 15 is fixedly connected to the lower surface of the feeding box 10, a second folding pipe 17 is fixedly connected between the vacuum pump 14 and the sealing cover 18, and a first folding pipe 16 is fixedly connected between the liquid outlet pipe 15 and the sealing cover 18, meanwhile, the content which is not described in detail in the specification belongs to the prior art which is well known by the technical personnel in the field, on the other hand, each electric part in the device is electrically connected with a control switch, and the working logic and the working sequence among the electric parts can be controlled through programming and manual work.
Please refer to fig. 2, a second driving motor 19 is fixedly connected to a lower surface of the mixing tank 5, a first connecting shaft 20 is rotatably connected to the mixing tank 5, an output end of the second driving motor 19 is fixedly connected to the first connecting shaft 20, a plurality of first stirring blades 21 are fixedly connected to a side surface of the first connecting shaft 20, a trapezoidal sleeve 22 is sleeved on a lower side of the first connecting shaft 20 close to the first stirring blades 21, the trapezoidal sleeve 22 can prevent lead paste from climbing when stirring, the first stirring blades 21 incline towards the lower side, an electric telescopic rod 8 is fixedly connected to an upper surface of the substrate 1, a supporting plate 7 is fixedly connected to a top end of the electric telescopic rod 8, the supporting plate 7 is located under the mixing tank 5, and the supporting plate 7 can support the mixing tank 5 during operation.
Referring to fig. 3-5, a shaking box 23 is disposed inside the mixing box 12, a plurality of spring balls 24 are adhered and connected between the mixing box 12 and the shaking box 23, a plurality of rows of arc blocks 25 are fixedly connected to an inner wall of the shaking box 23, communication holes 231 are formed in a lower surface of the shaking box 23, the number of each row of arc blocks 25 is a plurality, a third driving motor 26 is fixedly connected to an upper surface of the mixing box 12, second feed pipes 27 are fixedly connected to both sides of the upper surface of the mixing box 12 close to the third driving motor 26, an output end of the third driving motor 26 extends into the shaking box 23, an output end of the third driving motor 26 is fixedly connected to a second connecting shaft 28, a bottom end of the second connecting shaft 28 penetrates through the communication holes 231 and is rotatably connected to the mixing box 12, a rotating ring 232 is rotatably connected to an outer side of a section of the second connecting shaft 28 located inside the communication holes 231, a connecting band 233 is adhered and connected between the side of the rotating ring 232 and the shaking box 23, a plurality of rows of side rods 29 are fixedly connected to the side of the second connecting shaft 28, each row of side rods 29 and each row of arc blocks 25 are respectively at the same horizontal height, a plurality of dispersion rods 30 are screwed on the lower surface of the sealing cover 18, and a connecting hose 31 is adhered and connected between the discharge port of the mixing box 12 and the discharge port of the shaking box 23.
Referring to fig. 6, a first communicating groove 32, a second communicating groove 33 and a third communicating groove 34 are sequentially formed in the feeding box 10 from top to bottom, the first communicating groove 32, the second communicating groove 33 and the third communicating groove 34 are respectively communicated with three groups of first feeding pipes 11, the first communicating groove 32, the second communicating groove 33 and the third communicating groove 34 are all communicated with the liquid outlet pipe 15, a third connecting shaft 36 is rotatably connected to the inside of the third communicating groove 34, the top end of the third connecting shaft 36 respectively penetrates through the second communicating groove 33 and extends into the first communicating groove 32, the top end of the third connecting shaft 36 is rotatably connected to the inner wall of the first communicating groove 32, turbine blades 35 are fixedly connected to the outer sides of the third connecting shaft 36, which are located on the outer sides of the second communicating groove 33 and the first communicating groove 32, and second stirring blades 37 are fixedly connected to the third connecting shaft 36.
The working principle of the paste neutralizing machine is as follows: the lead powder A is poured into a mixing tank 5, then a hydraulic rod 6 is started, the mixing tank 5 is sealed through a sealing cover 18, then a second driving motor 19 is started, the second driving motor 19 drives a first connecting shaft 20 and a first stirring blade 21 to rotate, the lead powder A is dry-mixed, lead powder B, lamp black, nano barium sulfate, lignin, strontium carbonate, chopped fibers and graphene are poured into a shaking box 23 in a mixing box 12 through a second feeding pipe 27, a third driving motor 26 is started, the third driving motor 26 drives a second connecting shaft 28 and a side rod 29 to rotate, the side rod 29 intermittently touches the circular arc block 25 when rotating, the shaking box 23 is driven to incline through a compression spring ball 24 after the side rod 29 touches the circular arc block 25, the spring ball 24 drives the shaking box 23 to recover after the side rod 29 leaves the circular arc block 25, when the side rod 29 touches the circular arc block 25 at a high frequency, the arc block 25 can shake the raw materials in the telescopic tube, meanwhile, the side lever 29 drives the dispersion rod 30 to mix the raw materials when rotating, after the mixing is finished, the electromagnetic valve in the telescopic tube 13 is opened, and the raw materials fall into the mixing tank 5 from the telescopic tube 13;
mixing the deionized water B with fulvic acid, a binder, a surfactant and synthetic ester base oil, pouring the mixture into a third communicating groove 34 through a group of first feeding pipes 11, plasma water A is poured into the mixing tank 5 through a set of first feeding pipes 11 along the first communicating groove 32, the liquid outlet pipe 15 and the first folding pipe 16, dilute sulfuric acid is poured into the mixing tank 5 through a set of first feeding pipes 11 along a second communicating groove 33, a liquid outlet pipe 15 and a first folding pipe 16, when the plasma water a and the dilute sulfuric acid flow inside the first communicating groove 32 and the second communicating groove 33, the turbine blades 35 inside the first communicating groove 32 and the second communicating groove 33 are driven to rotate, after the turbine blade 35 rotates, the second stirring blade 37 is driven to rotate by the third connecting shaft 36, and the raw materials in the third communicating groove 34 are stirred after the second stirring blade 37 rotates, so that the mixing quality of the raw materials in the third communicating groove 34 can be improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (9)
1. The lead paste for the negative plate of the lead storage battery is characterized by comprising the following raw materials in parts by weight: 600 parts of lead powder 500, 30-35 parts of lamp black, 70-90 parts of nano barium sulfate, 10-15 parts of fulvic acid, 10-20 parts of lignin, 20-40 parts of strontium carbonate, 10-15 parts of chopped fiber, 5-10 parts of graphene, 30-40 parts of dilute sulfuric acid, 50-70 parts of deionized water, 10-13 parts of binder, 5-9 parts of surfactant and 10-13 parts of base oil;
the method comprises the following steps:
the method comprises the following steps: preparing raw materials according to the proportion, and mixing lead powder according to the weight ratio of 8: 2, dividing the lead powder into a lead powder A and a lead powder B, and mixing deionized water according to a ratio of 7: 3, dividing the mixture into two parts of deionized water A and deionized water B;
step two: pouring the lead powder A into a paste mixer for dry mixing for 2-2.5min, mixing the lead powder B with lamp black, nano barium sulfate, lignin, strontium carbonate, chopped fibers and graphene, and then adding the mixture into the lead powder A for dry mixing for 3-5 min;
step three: mixing the deionized water B with the fulvic acid, the binder, the surfactant and the synthetic ester base oil, pouring the mixture into a paste mixer for later use, adding the ionized water A into the paste mixer, and mixing the ionized water A with the raw water in the second step for 3-4 min;
step four: dividing dilute sulfuric acid into four parts in equal proportion, sequentially adding into a paste mixer, and carrying out acid mixing on the raw materials in the third step, wherein the acid mixing time is 1-1.5min each time;
step five: adding the raw materials in the third step into the raw materials in the fourth step, and mixing for 2 min;
step six: cooling to 35-40 deg.C, and discharging the lead paste when the density of the lead paste is 4.4-4.5g/mL to obtain the final product.
2. The negative plate diachylon of the lead storage battery of claim 1, wherein the chopped fibers are made of poly-p-phenylene terephthamide fibers and have a length of 3-5 mm.
3. The negative plate diachylon of the lead storage battery of claim 1, wherein the base oil is one or a mixture of two of synthetic ester and poly alpha-olefin oil.
4. A method for preparing the negative plate paste of a lead storage battery according to any one of claims 1 to 3, comprising the steps of:
the method comprises the following steps: preparing raw materials according to the proportion, and mixing lead powder according to the weight ratio of 8: 2, dividing the lead powder into a lead powder A and a lead powder B, and mixing deionized water according to a ratio of 7: 3, dividing the mixture into two parts of deionized water A and deionized water B;
step two: pouring the lead powder A into a paste mixer for dry mixing for 2-2.5min, mixing the lead powder B with lamp black, nano barium sulfate, lignin, strontium carbonate, chopped fibers and graphene, and then adding the mixture into the lead powder A for dry mixing for 3-5 min;
step three: mixing the deionized water B with the fulvic acid, the binder, the surfactant and the synthetic ester base oil, pouring the mixture into a paste mixer for later use, adding the ionized water A into the paste mixer, and mixing the ionized water A with the raw water in the second step for 3-4 min;
step four: dividing dilute sulfuric acid into four parts in equal proportion, sequentially adding into a paste mixer, and carrying out acid mixing on the raw materials in the third step, wherein the acid mixing time is 1-1.5min each time;
step five: adding the raw materials in the third step into the raw materials in the fourth step, and mixing for 2 min;
the use method of the paste mixing machine comprises the following steps: lead powder A is poured into a mixing tank (5), then a hydraulic rod (6) is started, the mixing tank (5) is sealed through a sealing cover (18), a second driving motor (19) is started, the second driving motor (19) drives a first connecting shaft (20) and a first stirring blade (21) to rotate, the lead powder A is dry-mixed, lead powder B, lamp black, nano barium sulfate, lignin, strontium carbonate, chopped fibers and graphene are poured into a shaking box (23) inside a mixing box (12) through a second feeding pipe (27), a third driving motor (26) is started, the third driving motor (26) drives a second connecting shaft (28) and a side rod (29) to rotate, the side rod (29) intermittently touches a circular arc block (25) when rotating, and after the side rod (29) touches the circular arc block (25), the shaking box (23) is driven to incline through a compression spring ball (24), when the side lever (29) leaves the arc block (25), the spring ball (24) drives the shaking box (23) to recover, when the side lever (29) contacts the arc block (25) at high frequency, the arc block (25) can shake the raw materials in the side lever, meanwhile, the side lever (29) drives the dispersion rod (30) to mix the raw materials when rotating, after mixing, an electromagnetic valve in the extension tube (13) is opened, and the raw materials fall into the mixing tank (5) from the extension tube (13);
mixing deionized water B with fulvic acid, a binder, a surfactant and synthetic ester base oil, pouring the mixture into a third communicating groove (34) through a group of first feeding pipes (11), pouring plasma water A into a mixing tank (5) through a group of first feeding pipes (11) along a first communicating groove (32), a drain pipe (15) and a first folding pipe (16), pouring dilute sulfuric acid into the mixing tank (5) through a group of first feeding pipes (11) along a second communicating groove (33), the drain pipe (15) and the first folding pipe (16), wherein when the plasma water A and the dilute sulfuric acid flow in the first communicating groove (32) and the second communicating groove (33), turbine blades (35) in the first communicating groove (32) and the second communicating groove (33) are driven to rotate, and when the turbine blades (35) rotate, second stirring blades (37) are driven to rotate through a third connecting shaft (36), the second stirring blade (37) rotates and then stirs the raw materials in the third communicating groove (34);
step six: cooling to 35-40 deg.C, and discharging the lead paste when the density of the lead paste is 4.4-4.5g/mL to obtain the final product.
5. The method for preparing the negative plate lead paste of the lead storage battery according to claim 4, wherein the pressure of the first acid mixing of the paste neutralizing machine in the fourth step is 120mbar, the pressure of the second acid mixing is 75% of the pressure of the first acid mixing, the pressure of the third acid mixing is 50% of the pressure of the first acid mixing, and the pressure of the fourth acid mixing is 25% of the pressure of the first acid mixing.
6. The preparation method of the negative plate lead plaster of the lead storage battery according to claim 4, characterized in that the plaster mixing machine comprises a base plate (1), one side of the upper surface of the base plate (1) is fixedly connected with a control console (2), the other side of the upper surface of the base plate (1) is fixedly connected with a support plate (3), the top end of one side of the support plate (3) is fixedly connected with a first driving motor (4), a mixing tank (5) is rotatably connected between the support plate (3) and the control console (2), the output end of the first driving motor (4) is fixedly connected with the rotating part of the mixing tank (5), the upper surface of the control console (2) is fixedly connected with a support column (9), the top end of the support column (9) is fixedly connected with a feeding box (10), one end of the upper surface of the feeding box (10) is fixedly connected with three groups of first feeding pipes (11), and the other end fixedly connected with mixing box (12) of feeding case (10) upper surface, the lower surface fixedly connected with hydraulic stem (6) of feeding case (10), the sealed lid (18) of bottom fixedly connected with of hydraulic stem (6), the flexible pipe (13) of discharge gate fixedly connected with of mixing box (12), feeding case (10) and sealed lid (18) are run through to the bottom of flexible pipe (13), so the inside fixedly connected with vacuum pump (14) of feeding case (10), and the lower surface fixedly connected with drain pipe (15) of feeding case (10), fixedly connected with second folding pipe (17) between vacuum pump (14) and sealed lid (18), first folding pipe (16) of fixedly connected with between drain pipe (15) and sealed lid (18).
7. The method for preparing the negative plate diachylon of the lead storage battery according to claim 6, the lower surface of the mixing tank (5) is fixedly connected with a second driving motor (19), the interior of the mixing tank (5) is rotatably connected with a first connecting shaft (20), the output end of the second driving motor (19) is fixedly connected with the first connecting shaft (20), the side surface of the first connecting shaft (20) is fixedly connected with a plurality of first stirring blades (21), and the side surface of the first connecting shaft (20) close to the lower side of the first stirring blade (21) is sleeved with a trapezoidal sleeve (22), the first stirring blades (21) incline towards the lower side, the upper surface of the base plate (1) is fixedly connected with an electric telescopic rod (8), the top end of the electric telescopic rod (8) is fixedly connected with a supporting plate (7), and the supporting plate (7) is located on the right lower side of the mixing tank (5).
8. The method for preparing the negative plate diachylon of the lead storage battery according to claim 6, wherein a shaking box (23) is arranged inside the mixing box (12), a plurality of spring balls (24) are adhered and connected between the mixing box (12) and the shaking box (23), a plurality of rows of arc blocks (25) are fixedly connected to the inner wall of the shaking box (23), a communication hole (231) is formed in the lower surface of the shaking box (23), a plurality of arc blocks (25) are arranged in each row, a third driving motor (26) is fixedly connected to the upper surface of the mixing box (12), second feeding pipes (27) are fixedly connected to two sides of the upper surface of the mixing box (12) close to the third driving motor (26), the output end of the third driving motor (26) extends into the shaking box (23), and a second connecting shaft (28) is fixedly connected to the output end of the third driving motor (26), the bottom of second connecting axle (28) runs through intercommunicating pore (231) and rotates with mixing box (12) and is connected, second connecting axle (28) are located one section outside of intercommunicating pore (231) inside and rotate and are connected with swivel becket (232), swivel becket (232) side and rock between case (23) the adhesion be connected with connecting band (233), a plurality of side pole (29) of going of side fixedly connected with of second connecting axle (28), each row side pole (29) and each row arc piece (25) are in same level respectively, the lower surface spiro union of sealed lid (18) has a plurality of dispersion bar (30), the discharge gate of mixing box (12) and the adhesion be connected with coupling hose (31) between the discharge gate of rocking case (23).
9. The method for preparing the negative plate lead plaster of the lead storage battery according to claim 6, wherein a first communicating groove (32), a second communicating groove (33) and a third communicating groove (34) are formed in the feeding box (10) from top to bottom in sequence, the first communicating groove (32), the second communicating groove (33) and the third communicating groove (34) are respectively communicated with the three groups of first feeding pipes (11), the first communicating groove (32), the second communicating groove (33) and the third communicating groove (34) are respectively communicated with the liquid outlet pipe (15), a third connecting shaft (36) is rotatably connected to the inside of the third communicating groove (34), the top end of the third connecting shaft (36) respectively penetrates through the second communicating groove (33) and extends to the inside of the first communicating groove (32), and the top end of the third connecting shaft (36) is rotatably connected with the inner wall of the first communicating groove (32), the outer sides of the third connecting shaft (36) located in the second communicating groove (33) and the first communicating groove (32) are fixedly connected with turbine blades (35), and the outer sides of the third connecting shaft (36) located in the second stirring blades (37) are fixedly connected with second stirring blades (37).
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