CN112501441A - Device and method for recovering lead from lead plaster materials of waste lead storage batteries - Google Patents
Device and method for recovering lead from lead plaster materials of waste lead storage batteries Download PDFInfo
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- CN112501441A CN112501441A CN202011175332.5A CN202011175332A CN112501441A CN 112501441 A CN112501441 A CN 112501441A CN 202011175332 A CN202011175332 A CN 202011175332A CN 112501441 A CN112501441 A CN 112501441A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/007—Wet processes by acid leaching
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B13/00—Obtaining lead
- C22B13/04—Obtaining lead by wet processes
- C22B13/045—Recovery from waste materials
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
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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
- H01M10/54—Reclaiming serviceable parts of waste 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
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Abstract
The invention discloses a device and a method for recovering lead from lead plaster materials of waste lead storage batteries, and the device comprises a pretreatment box body, a mounting frame and a replacement box body, wherein the pretreatment box body is internally and fixedly connected with the mounting frame, slide groove groups are symmetrically arranged on two sides of the mounting frame, each slide groove group consists of two parallel slide grooves, the ground lead plaster powder is further crushed and refined by arranging a first sieve plate and a second sieve plate which move oppositely, the contact area of the materials and a mixed solution is increased, the reaction efficiency is improved, meanwhile, the material waste caused by insufficient reaction is avoided, the lead sulfate and the lead oxide in the lead plaster materials are dissolved and then replaced by arranging a dissolving tank and the replacement box body, the recovery of the lead in the lead plaster is completed, the pollution problem caused by high-temperature recovery is avoided, the recovery purity of the lead is improved, and the whole device is simple and compact, easy to realize, and is beneficial to the environmental protection and the improvement of the recovery quality.
Description
Technical Field
The invention relates to a recovery device, in particular to a device and a method for recovering lead from lead plaster materials of waste lead storage batteries.
Background
Lead storage batteries are also indispensable power sources for motor vehicles, ships and the like at present. Lead storage batteries cannot be reused after being used for 2-4 years due to corrosion, passivation and the like. The quantity of scrapped lead storage batteries replaced from vehicles and ships every year in China is about 3O ten thousand, and the quantity of the scrapped lead storage batteries is increased by 7% every year. How to better recycle useful substances in the waste lead storage batteries is not only related to the protection of national heavy metal resources, but also conforms to the strategic guidelines of national sustainable development for protecting the environment and developing recycling economy. The basic raw materials for manufacturing lead storage batteries are metallic lead and sulfuric acid. During the production and use of lead storage batteries, lead compounds, mainly oxides such as lead oxide, lead dioxide and lead salts such as lead sulphate, etc., are formed on the battery plates through a series of chemical reactions. The purpose of recovery is to properly treat the metals and metal compounds and then use the metals and metal compounds as lead products, and the cost of the regenerated lead is only equal to 1/3 of the mining and smelting cost of the original ore from comprehensive statistics, so that the method has important significance.
In the prior art, pyrometallurgy is generally adopted, high-temperature reaction conditions are utilized, the reaction activity of each substance in lead plaster is greatly accelerated, a reaction basis is provided for secondary lead, but a large amount of SO2 generated by high-temperature smelting, lead dust generated by high-temperature volatilization and lead-containing waste residues generated after smelting cause serious pollution to the environment and harm to human health, and the product is crude lead, SO that the lead is extracted by utilizing a displacement reaction in chemistry, and therefore, a device and a method for recovering lead from the lead plaster material of waste lead storage batteries are provided.
Disclosure of Invention
The invention aims to provide a device and a method for recovering lead from lead plaster materials of waste lead storage batteries.
The technical problem solved by the invention is as follows:
(1) how to further crush and refine the rolled lead plaster powder by arranging a first sieve plate and a second sieve plate which move oppositely solves the problems of waste and pollution caused by slow dissolving speed and insufficient material reaction in the prior art;
(2) how to dissolve and then replace lead sulfate and lead oxide in the lead plaster material through setting up dissolving tank and replacement box, accomplish the recovery to lead plaster in lead, solved the pollution problem that the method of retrieving lead caused among the prior art and the problem that the recovery purity of lead is not high.
The purpose of the invention can be realized by the following technical scheme: a device for recovering lead from lead plaster materials of waste lead storage batteries comprises a pretreatment box body, a feeding hopper, a first motor mounting plate, a crushed aggregate motor, a first extrusion roller, a second extrusion roller, a driving transmission wheel, a driven transmission wheel, a transmission belt, a first counterweight wheel, a second counterweight wheel, a mounting frame, a first sieve plate, a second sieve plate, a sieve slider, a first rack, a second rack, a sieve gear, a sieve motor, a dissolving tank, a slag discharge pipe, a liquid discharge pipe, a replacement box body, a second motor mounting plate, a stirring motor, a stirring shaft, a stirring rod, an iron powder feeding pipe and an iron powder storage box, wherein the pretreatment box body is internally and fixedly connected with the mounting frame;
a first screening plate and a second screening plate are respectively arranged in the mounting frame, the first screening plate is arranged right above the second screening plate, two sides of the first screening plate and the second screening plate are fixedly connected with two screening sliders, the screening sliders are arranged in the chutes, the first screening plate and the second screening plate are slidably connected with the mounting frame through the screening sliders, one side of the first screening plate is fixedly connected with a first rack, one side of the second screening plate is fixedly connected with a second rack, the first rack and the second rack are oppositely arranged, a screening gear is arranged between the first rack and the second rack, the first rack and the second rack are meshed and connected with the screening gear, the screening gear is rotatably connected with the mounting frame, one side of the screening gear is provided with a screening motor, and the screening motor is fixedly connected with the pretreatment box body, the end part of an output shaft of the screening motor is fixedly connected with the screening gear.
The invention has further technical improvements that: the top fixedly connected with of pretreatment box goes into the hopper, the first motor mounting panel of one side fixedly connected with of pretreatment box, the top fixedly connected with crushed aggregates motor of first motor mounting panel, the inside parallel arrangement of pretreatment box has first squeeze roll and second squeeze roll, the both ends of first squeeze roll and second squeeze roll are all rotated with the pretreatment box through the bearing and are connected, the one end fixedly connected with initiative drive wheel of first squeeze roll, the first counter weight wheel of the other end fixedly connected with of first squeeze roll, the one end fixedly connected with driven drive wheel of second squeeze roll, the other end fixedly connected with second counter weight wheel of second squeeze roll, be provided with the counter weight wheel between initiative drive wheel and the driven drive wheel, initiative drive wheel and driven drive wheel pass through the drive belt cooperation.
The invention has further technical improvements that: be provided with the dissolving tank under the mounting bracket, bottom one side through connection of dissolving tank has the pipe of slagging tap, the opposite side through connection of dissolving tank has the drain pipe, the level of drain pipe is greater than the level of the pipe of slagging tap.
The invention has further technical improvements that: one side of pretreatment box is provided with the replacement box, the replacement box passes through drain pipe and dissolving tank through connection, one side fixedly connected with second motor mounting panel of replacement box, the top fixed mounting of second motor mounting panel has agitator motor, the inside of replacement box is provided with the (mixing) shaft, the (mixing) shaft passes through the bearing and is connected with the rotation of replacement box, the outside straggly of (mixing) shaft is provided with a plurality of puddler, puddler and (mixing) shaft fixed connection, the top of replacement box is provided with the iron powder filling tube, the one end of iron powder filling tube runs through the replacement box, and the one end that the iron powder filling tube runs through the replacement box is provided with the iron powder storage box, iron powder filling tube and iron powder storage box through connection, a plurality of filtration pore has all been seted up to the lateral wall all around.
The invention has further technical improvements that: the top of the first sieve plate and the top of the second sieve plate are equally spaced and provided with a plurality of sieve material through holes, the transverse section of each sieve material through hole is of a regular hexagon structure, and the diameter of an inscribed circle of the sieve material through holes formed in the first sieve plate is larger than that of the sieve material through holes formed in the second sieve plate.
A method for recovering lead from a lead plaster material of a waste lead storage battery specifically comprises the following steps:
the method comprises the following steps: starting a material crushing motor, rotating an output shaft of the material crushing motor to drive a first extrusion roller to rotate, rotating a driving transmission wheel fixed at one end of the first extrusion roller, further performing power transmission through a transmission belt to drive a driven transmission wheel to rotate, finally driving a second extrusion roller to rotate, putting recovered lead plaster materials into a feeding hopper, and crushing the lead plaster materials through rolling of the first extrusion roller and the second extrusion roller to convert the lead plaster materials into lead plaster powder;
step two: starting a screening motor, enabling an output shaft of the screening motor to rotate in the forward direction and rotate in the reverse direction repeatedly, enabling the output shaft of the screening motor to drive a screening gear to rotate, so as to drive a first rack and a second rack which are meshed and connected with the screening gear to move, further enabling a first screening plate and a second screening plate to move in the opposite direction or in the opposite direction, enabling lead plaster powder generated in the step one to enter screening through holes of the first screening plate and the second screening plate under the action of gravity, and further crushing lead plaster with large particles;
step three: lead plaster powder through further smashing gets into dissolving the pond, the mixed solution that has ammonium acetate and acetic acid is poured into in the dissolving the pond, lead sulfate and lead oxide in the lead plaster powder dissolve in the mixed solution of ammonium acetate and acetic acid, through the reaction and the sediment of stewing, through the drain pipe with the leading-in replacement box of supernatant in the dissolving the pond in, open agitator motor, it is rotatory to drive the (mixing) shaft, the puddler takes place to rotate thereupon, stir the solution that gets into in the replacement box, add the iron powder to the iron powder storage box through the iron powder filling tube, the solution in the replacement box passes through the filtration hole of seting up on the iron powder storage box, and take place the replacement reaction with the iron powder in the iron powder storage box, separate out the lead in the solution.
Compared with the prior art, the invention has the beneficial effects that:
1. when the screening machine is used, the screening motor is started, the forward rotation and the reverse rotation of the output shaft of the screening motor are repeatedly switched, the output shaft of the screening motor rotates to drive the screening gear to rotate, so that the first rack and the second rack which are meshed and connected with the screening gear are driven to move, and the first screening plate and the second screening plate move in the opposite direction or in the opposite direction;
2. the lead plaster powder after further crushing enters a dissolving tank, mixed solution of ammonium acetate and acetic acid is injected into the dissolving tank, lead sulfate and lead oxide in the lead plaster powder are dissolved in the mixed solution of the ammonium acetate and the acetic acid, the mixed solution is reacted and stood for precipitation, supernatant in the dissolving tank is guided into a replacement box body through a liquid outlet pipe, a stirring motor is started to drive a stirring shaft to rotate, the stirring rod rotates along with the stirring shaft to stir the solution entering the replacement box body, iron powder is added into an iron powder storage box through an iron powder feeding pipe, the solution in the replacement box body passes through a filtering hole formed in the iron powder storage box and is subjected to replacement reaction with iron powder in the iron powder storage box to separate out lead in the solution, and the lead sulfate and the lead oxide in the lead plaster material are dissolved and then replaced through the arrangement of the dissolving tank and the replacement box body to complete the recovery of the lead in the lead plaster, the pollution problem caused by high-temperature recovery is avoided, and the recovery purity of the lead is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a perspective view of a lead paste rolling mechanism according to the present invention;
fig. 3 is a schematic perspective view of the material sieving mechanism of the present invention.
In the figure: 1. a pretreatment box body; 2. feeding into a hopper; 3. a first motor mounting plate; 4. a material crushing motor; 5. a first squeeze roll; 6. a second squeeze roll; 7. an active driving wheel; 8. a driven transmission wheel; 9. a transmission belt; 10. a first balance weight wheel; 11. a second balance weight wheel; 12. a mounting frame; 13. a first screen plate; 14. a second screen plate; 15. a material screening slide block; 16. a first rack; 17. a second rack; 18. a material screening gear; 19. a material sieving motor; 20. a dissolving tank; 21. a slag pipe; 22. a liquid outlet pipe; 23. replacing the box body; 24. a second motor mounting plate; 25. a stirring motor; 26. a stirring shaft; 27. a stirring rod; 28. an iron powder feeding pipe; 29. iron powder storage box.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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. 1-3, a device for recycling lead from lead plaster materials of waste lead storage batteries comprises a pretreatment tank body 1, a feeding hopper 2, a first motor mounting plate 3, a crushing motor 4, a first squeezing roller 5, a second squeezing roller 6, a driving transmission wheel 7, a driven transmission wheel 8, a transmission belt 9, a first balance weight wheel 10, a second balance weight wheel 11, a mounting frame 12, a first sieve plate 13, a second sieve plate 14, a sieve slide block 15, a first rack 16, a second rack 17, a sieve gear 18, a sieve motor 19, a dissolving tank 20, a slag discharging pipe 21, a liquid discharging pipe 22, a replacement tank body 23, a second motor mounting plate 24, a stirring motor 25, a stirring shaft 26, a stirring rod 27, an iron powder feeding pipe 28 and an iron powder storage tank 29, an installation frame 12 is fixedly connected in the pretreatment box body 1, slide groove groups are symmetrically arranged on two sides of the installation frame 12, and each slide groove group consists of two slide grooves which are arranged in parallel;
the material screening device is characterized in that a first material screening plate 13 and a second material screening plate 14 are respectively arranged in the mounting frame 12, the first material screening plate 13 is arranged right above the second material screening plate 14, two material screening sliders 15 are fixedly connected to two sides of the first material screening plate 13 and the second material screening plate 14, the material screening sliders 15 are arranged in sliding grooves, the first material screening plate 13 and the second material screening plate 14 are slidably connected with the mounting frame 12 through the material screening sliders 15, a first rack 16 is fixedly connected to one side of the first material screening plate 13, a second rack 17 is fixedly connected to one side of the second material screening plate 14, the first rack 16 and the second rack 17 are arranged oppositely, a material screening gear 18 is arranged between the first rack 16 and the second rack 17, the first rack 16 and the second rack 17 are meshed with the material screening gear 18, the material screening gear 18 is rotatably connected with the mounting frame 12, one side of sieve material gear 18 is provided with sieve material motor 19, sieve material motor 19 and pretreatment box 1 fixed connection, sieve material motor 19's output shaft tip and sieve material gear 18 fixed connection.
The top of the pretreatment box body 1 is fixedly connected with a feeding hopper 2, one side of the pretreatment box body 1 is fixedly connected with a first motor mounting plate 3, the top of the first motor mounting plate 3 is fixedly connected with a material crushing motor 4, a first extrusion roller 5 and a second extrusion roller 6 are arranged in parallel in the pretreatment box body 1, the two ends of the first extrusion roller 5 and the second extrusion roller 6 are rotatably connected with the pretreatment box body 1 through bearings, one end of the first extrusion roller 5 is fixedly connected with a driving transmission wheel 7, the other end of the first extrusion roller 5 is fixedly connected with a first counterweight wheel 10, one end of the second squeezing roller 6 is fixedly connected with a driven transmission wheel 8, the other end of the second squeezing roller 6 is fixedly connected with a second counter weight wheel 11, a driving belt 9 is arranged between the driving wheel 7 and the driven driving wheel 8, and the driving wheel 7 and the driven driving wheel 8 are in transmission fit through the driving belt 9.
Be provided with dissolving tank 20 under mounting bracket 12, there is slag pipe 21 bottom one side through connection of dissolving tank 20, there is drain pipe 22 opposite side through connection of dissolving tank 20, the level of drain pipe 22 is greater than the level of slag pipe 21.
A replacement box body 23 is arranged on one side of the pretreatment box body 1, the replacement box body 23 is communicated with the dissolving tank 20 through a liquid outlet pipe 22, a second motor mounting plate 24 is fixedly connected to one side of the replacement box body 23, a stirring motor 25 is fixedly mounted at the top of the second motor mounting plate 24, a stirring shaft 26 is arranged inside the replacement box body 23, the stirring shaft 26 is rotationally connected with the replacement box body 23 through a bearing, a plurality of stirring rods 27 are arranged on the outer side of the stirring shaft 26 in a staggered manner, the stirring rods 27 are fixedly connected with the stirring shaft 26, an iron powder feeding pipe 28 is arranged at the top of the replacement box body 23, one end of the iron powder feeding pipe 28 penetrates through the replacement box body 23, and the one end that iron powder filling tube 28 runs through replacement box 23 is provided with iron powder storage box 29, iron powder filling tube 28 and iron powder storage box 29 through connections, a plurality of filtration pore has all been seted up to iron powder storage box 29's lateral wall all around.
The top of the first sieve plate 13 and the top of the second sieve plate 14 are equally spaced to form a plurality of sieve through holes, the transverse cross section of each sieve through hole is of a regular hexagon structure, and the diameter of an inscribed circle of the sieve through holes formed in the first sieve plate 13 is larger than that of the sieve through holes formed in the second sieve plate 14.
A method for recovering lead from a lead plaster material of a waste lead storage battery specifically comprises the following steps:
the method comprises the following steps: starting a material crushing motor 4, enabling an output shaft of the material crushing motor 4 to rotate so as to drive a first extrusion roller 5 to rotate, enabling a driving transmission wheel 7 fixed at one end of the first extrusion roller 5 to rotate along with the material crushing motor, further enabling a transmission belt 9 to carry out power transmission to drive a driven transmission wheel 8 to rotate, finally driving a second extrusion roller 6 to rotate, putting recovered lead plaster materials into a feeding hopper 2, and enabling the lead plaster materials to be crushed by rolling of the first extrusion roller 5 and the second extrusion roller 6 and converted into lead plaster powder;
step two: starting the screening motor 19, repeatedly switching the forward rotation and the reverse rotation of the output shaft of the screening motor 19, rotating the output shaft of the screening motor 19 to drive the screening gear 18 to rotate, so as to drive the first rack 16 and the second rack 17 which are meshed and connected with the output shaft to move, further enabling the first screening plate 13 and the second screening plate 14 to move in the opposite direction or in the opposite direction, and enabling lead plaster powder generated in the first step to enter screening through holes of the first screening plate 13 and the second screening plate 14 under the action of gravity to further crush lead plaster with large particles;
step three: the lead plaster powder after further crushing enters a dissolving tank 20, a mixed solution of ammonium acetate and acetic acid is injected into the dissolving tank 20, lead sulfate and lead oxide in the lead plaster powder are dissolved in the mixed solution of the ammonium acetate and the acetic acid, the lead plaster powder is reacted and stood for precipitation, supernatant in the dissolving tank 20 is led into a replacement box 23 through a liquid outlet pipe 22, a stirring motor 25 is started to drive a stirring shaft 26 to rotate, a stirring rod 27 rotates along with the stirring shaft, the solution entering the replacement box 23 is stirred, iron powder is added into an iron powder storage box 29 through an iron powder feeding pipe 28, the solution in the replacement box 23 passes through a filtering hole formed in the iron powder storage box 29 and is subjected to replacement reaction with the iron powder in the iron powder storage box 29, and lead in the solution is separated out.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a retrieve plumbous device in lead plaster material of old and useless lead accumulator which characterized in that: the device comprises a pretreatment box body (1), an installation frame (12) and a replacement box body (23), wherein the installation frame (12) is fixedly connected in the pretreatment box body (1), slide groove groups are symmetrically arranged on two sides of the installation frame (12), and each slide groove group consists of two slide grooves which are arranged in parallel;
a first screening plate (13) and a second screening plate (14) are respectively arranged in the mounting frame (12), the first screening plate (13) is arranged right above the second screening plate (14), two sides of the first screening plate (13) and the second screening plate (14) are respectively and fixedly connected with two screening sliders (15), the screening sliders (15) are respectively arranged in the sliding grooves, the first screening plate (13) and the second screening plate (14) are respectively and slidably connected with the mounting frame (12) through the screening sliders (15), one side of the first screening plate (13) is fixedly connected with a first rack (16), one side of the second screening plate (14) is fixedly connected with a second rack (17), the first rack (16) and the second rack (17) are oppositely arranged, and a screening gear (18) is arranged between the first rack (16) and the second rack (17), first rack (16) and second rack (17) all are connected with sieve material gear (18) meshing, sieve material gear (18) rotate with mounting bracket (12) and are connected, one side of sieve material gear (18) is provided with sieve material motor (19), sieve material motor (19) and pretreatment box (1) fixed connection, the output shaft tip and the sieve material gear (18) fixed connection of sieve material motor (19).
2. The device for recovering lead from the lead plaster materials of the waste lead storage batteries according to claim 1, wherein the top of the pretreatment tank body (1) is fixedly connected with a feeding hopper (2), one side of the pretreatment tank body (1) is fixedly connected with a first motor mounting plate (3), the top of the first motor mounting plate (3) is fixedly connected with a scrap motor (4), a first squeeze roller (5) and a second squeeze roller (6) are arranged in parallel in the pretreatment tank body (1), both ends of the first squeeze roller (5) and the second squeeze roller (6) are rotatably connected with the pretreatment tank body (1) through bearings, one end of the first squeeze roller (5) is fixedly connected with a driving transmission wheel (7), the other end of the first squeeze roller (5) is fixedly connected with a first balance weight wheel (10), one end of the second squeeze roller (6) is fixedly connected with a driven transmission wheel (8), the other end fixedly connected with second counter weight wheel (11) of second squeeze roll (6), be provided with drive belt (9) between initiative drive wheel (7) and driven drive wheel (8), initiative drive wheel (7) and driven drive wheel (8) pass through drive belt (9) transmission cooperation.
3. The device for recovering lead from the lead plaster materials of the waste lead storage batteries according to claim 1, characterized in that a dissolving tank (20) is arranged under the mounting frame (12), one side of the bottom of the dissolving tank (20) is connected with a slag discharging pipe (21) in a through manner, the other side of the dissolving tank (20) is connected with a liquid outlet pipe (22) in a through manner, and the horizontal height of the liquid outlet pipe (22) is greater than that of the slag discharging pipe (21).
4. The device for recovering lead from the lead plaster materials of the waste lead storage batteries according to claim 3, characterized in that a replacement box body (23) is arranged on one side of the pretreatment box body (1), the replacement box body (23) is communicated with the dissolving tank (20) through a liquid outlet pipe (22), a second motor mounting plate (24) is fixedly connected to one side of the replacement box body (23), a stirring motor (25) is fixedly mounted on the top of the second motor mounting plate (24), a stirring shaft (26) is arranged inside the replacement box body (23), the stirring shaft (26) is rotatably connected with the replacement box body (23) through a bearing, a plurality of stirring rods (27) are arranged outside the stirring shaft (26) in a staggered manner, the stirring rods (27) are fixedly connected with the stirring shaft (26), and an iron powder feeding pipe (28) is arranged on the top of the replacement box body (23), one end of the iron powder feeding pipe (28) penetrates through the replacement box body (23), one end of the iron powder feeding pipe (28) penetrating through the replacement box body (23) is provided with an iron powder storage box (29), the iron powder feeding pipe (28) is connected with the iron powder storage box (29) in a penetrating manner, and a plurality of filter holes are formed in the peripheral side wall of the iron powder storage box (29).
5. The device for recovering lead from the lead plaster materials of the waste lead storage batteries according to claim 4, wherein a plurality of screening through holes are formed in the tops of the first screening plate (13) and the second screening plate (14) at equal distances, the transverse cross sections of the screening through holes are of a regular hexagon structure, and the diameter of the inscribed circle of the screening through holes formed in the first screening plate (13) is larger than that of the screened through holes formed in the second screening plate (14).
6. A method for recovering lead from a lead plaster material of a waste lead storage battery is characterized by comprising the following steps:
the method comprises the following steps: starting a material crushing motor (4), wherein an output shaft of the material crushing motor (4) rotates to drive a first extrusion roller (5) to rotate, a driving transmission wheel (7) fixed at one end of the first extrusion roller (5) rotates along with the material crushing motor, power transmission is further carried out through a transmission belt (9) to drive a driven transmission wheel (8) to rotate, a second extrusion roller (6) is finally driven to rotate, recovered lead plaster materials are put into a feeding hopper (2), and the lead plaster materials are crushed through the first extrusion roller (5) and the second extrusion roller (6) and are converted into lead plaster powder for rolling;
step two: starting a screening motor (19), enabling an output shaft of the screening motor (19) to rotate in the forward direction and rotate in the reverse direction repeatedly, enabling the output shaft of the screening motor (19) to rotate to drive a screening gear (18) to rotate, so as to drive a first rack (16) and a second rack (17) which are meshed and connected with the screening gear to move, further enabling a first screening plate (13) and a second screening plate (14) to move in the opposite direction or in the opposite direction, enabling lead plaster powder generated in the first step to enter screening through holes of the first screening plate (13) and the second screening plate (14) under the action of gravity, and further crushing lead plaster with large particles;
step three: the lead plaster powder after further crushing enters a dissolving tank (20), a mixed solution of ammonium acetate and acetic acid is injected into the dissolving tank (20), lead sulfate and lead oxide in the lead plaster powder are dissolved in the mixed solution of the ammonium acetate and the acetic acid, the lead plaster powder is reacted and stood for precipitation, supernatant in the dissolving tank (20) is led into a replacement box body (23) through a liquid outlet pipe (22), a stirring motor (25) is started to drive a stirring shaft (26) to rotate, a stirring rod (27) rotates along with the stirring shaft to stir the solution entering the replacement box body (23), iron powder is added into an iron powder storage box (29) through an iron powder feeding pipe (28), the solution in the replacement box body (23) passes through a filter hole formed in the iron powder storage box (29) and performs replacement reaction with the iron powder in the iron powder storage box (29), and lead in the solution is separated out.
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Cited By (1)
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| CN113913617A (en) * | 2021-10-11 | 2022-01-11 | 太和县大华能源科技有限公司 | Treatment method for preparing lead powder by using lead plaster of waste lead-acid storage battery |
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