CN112080639B - Multistage lead plaster precipitation and separation process for waste storage batteries - Google Patents
Multistage lead plaster precipitation and separation process for waste storage batteries Download PDFInfo
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- CN112080639B CN112080639B CN202010936050.6A CN202010936050A CN112080639B CN 112080639 B CN112080639 B CN 112080639B CN 202010936050 A CN202010936050 A CN 202010936050A CN 112080639 B CN112080639 B CN 112080639B
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- 239000011505 plaster Substances 0.000 title claims abstract description 105
- 238000001556 precipitation Methods 0.000 title claims abstract description 95
- 239000002699 waste material Substances 0.000 title claims abstract description 37
- 238000000926 separation method Methods 0.000 title claims description 42
- 238000004062 sedimentation Methods 0.000 claims abstract description 52
- 239000002253 acid Substances 0.000 claims abstract description 35
- 239000008394 flocculating agent Substances 0.000 claims abstract description 32
- 238000005273 aeration Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000001376 precipitating effect Effects 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 97
- 239000000463 material Substances 0.000 claims description 25
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 8
- 239000010926 waste battery Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a multistage diachylon precipitation and sorting process for waste lead-acid storage batteries, which comprises the process flows of crushing the waste lead-acid storage batteries, separating diachylon out, precipitating diachylon, precipitating secondary precipitation and the like, wherein by arranging a secondary precipitation tank, the lead plaster solution with lower lead plaster content in the primary sedimentation cylinder is led into a secondary sedimentation tank, the lead plaster solution in the secondary sedimentation tank is aerated through an aeration pipe group, the contact surface of a flocculating agent and the lead plaster solution is further improved, the flocculating agent and the lead plaster solution are mixed and react for a long time, and secondary separated lead plaster is obtained, namely, the piston rod is driven by the cylinder to drive the supporting plate to move upwards, so that the supporting plate moves the bottom plate out of the secondary sedimentation tank, thereby taking out the lead plaster in the secondary sedimentation tank, through twice precipitation, the lead plaster in the waste lead-acid storage battery is precipitated more thoroughly, and the purification effect of the waste lead-acid storage battery is better.
Description
Technical Field
The invention belongs to the technical field of waste battery treatment, and particularly relates to a multistage diachylon precipitation and sorting process for waste storage batteries.
Background
The lead-acid storage battery is used as a chemical power supply which is most widely applied in the world, and has the advantages of stable voltage, safety, reliability, low price, wide application range, rich raw materials and the like. According to incomplete statistics, lead-acid battery manufacturers in our country have reached around 1500, and the production volume has increased substantially at a rate of about 20% per year. In recent years, due to the development of the automobile industry, the proportion of lead in the lead-acid storage battery accounts for the consumption of lead is increasing, and the proportion is increased from 27% in the last 60 years to 80-85% at present; with the rapid development of the automobile industry and the promotion of clean production and environmental protection, the consumption of lead-acid storage batteries is rapidly developed, and the consumption of lead currently reaches 245 ten thousand tons, wherein about 180 ten thousand tons is used for manufacturing a battery grid of a core part of the lead-acid storage battery.
While the use of lead-acid batteries is increased in response, the waste treatment after the service life of the lead-acid batteries is reached also becomes an urgent problem to be solved. At present, various recovery processes of lead-acid storage batteries exist, but the operation is complex, and the recovery cannot meet the requirement of reutilization.
Disclosure of Invention
The invention aims to provide a multistage lead plaster precipitation and separation process for waste storage batteries, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a multi-stage lead plaster precipitation and separation process for waste storage batteries comprises the following specific steps:
the method comprises the following steps: crushing the waste lead-acid storage battery: crushing a waste lead-acid storage battery material to be treated to crush the waste battery into a crushed material;
step two: separating out lead plaster: screening the crushed waste lead-acid storage battery materials in the step one to obtain lead paste rough blanks through lead paste screening;
step three: lead plaster precipitation: guiding the lead plaster rough blank extracted in the step two into a crushing table of a treatment table, guiding the lead plaster rough blank crushed by the crushing table into a primary precipitation cylinder, guiding a flocculating agent into the primary precipitation cylinder to precipitate the lead plaster rough blank in the primary precipitation cylinder, and guiding out the precipitate in the primary precipitation cylinder through a screw feeding cylinder to obtain the lead plaster;
step four: secondary precipitation: the lead plaster that will deposit through the one-level section of thick bamboo and contain the leading-in second grade setting tank of solution that lead plaster volume is low after to leading-in flocculating agent in the second grade setting tank, blow off the air current in the second grade setting tank through the fan through the aeration nest of tubes simultaneously, make the flocculating agent in the second grade setting tank wider with the lead plaster contact surface in the lead plaster solution, make the lead plaster secondary sedimentation in the second grade setting tank, and upwards promote the backup pad through cylinder drive piston rod, make the backup pad propose the bottom plate from the second grade setting tank, thereby shift out the lead plaster that deposits through the bottom plate second grade setting tank, obtain the lead plaster after the secondary sedimentation.
As a further scheme of the invention: in the step one, the waste lead-acid storage battery is crushed twice, the raw material of the waste lead-acid storage battery is conveyed to a primary hammer crusher to carry out primary coarse crushing on the waste battery, the primary coarse crushed raw material directly falls into a primary lead plaster separation sieve to be separated after the primary crushing, a large amount of lead plaster contained in the primary coarse crushed raw material falls through a screen, oversize products enter a secondary hammer crusher through feeding equipment to carry out secondary fine crushing, the secondary fine crushed raw material directly falls into the secondary lead plaster separation sieve to be separated secondarily, and the lead plaster coarse blank contained in the secondary fine crushed raw material falls through the screen.
As a still further scheme of the invention: and in the second step, the lead plaster is separated out by adopting a wet separation method, and the lead plaster at the upper end of the separation screen falls down through the separation screen under the assistance of high-pressure water washing.
As a still further scheme of the invention: in the third step, a separation box is fixedly arranged on the table top of the treatment table, the interior of the separation box is divided into a heating cavity and a precipitation cavity by a partition plate, a flocculating agent tank and a crushing table are fixedly arranged on the top surface of the separation box, and a secondary precipitation box is fixedly arranged below the treatment table;
the inner part of the precipitation cavity is horizontally provided with a primary precipitation cylinder, the primary precipitation cylinder is of a cuboid cavity structure, the inner part of the primary precipitation cylinder is fixedly provided with a stirring assembly, the stirring assembly comprises a first stirring shaft and a second stirring shaft which are arranged in the primary precipitation cylinder side by side, the structures of the first stirring shaft and the second stirring shaft are completely consistent, the first stirring shaft and the second stirring shaft are respectively provided with a plurality of stirring blades, one end of the first stirring shaft penetrates through the side wall of the precipitation cavity and is connected with a first belt pulley, one end of the second stirring shaft penetrates through the side wall of the precipitation cavity and is connected with a second belt pulley, the first belt pulley and the second belt pulley are connected through a gear belt, the outer side wall of the separation box is fixedly provided with a first motor through a motor mounting seat, and the output end of the first motor is fixedly connected with one end of the first stirring shaft, which penetrates through the side wall of the precipitation cavity;
the structure of the first stirring shaft and the second stirring shaft is completely consistent, the first stirring shaft and the second stirring shaft are both cylindrical cavity structures, annular blocks are respectively arranged at two ends of the first stirring shaft and the second stirring shaft, which penetrate through the primary sedimentation cylinder, the first stirring shaft and the second stirring shaft are rotatably connected in annular grooves of the partition plate and the sedimentation cavity through the annular blocks at the two ends, a heating pipe is fixedly arranged inside the cavity of the first stirring shaft and the second stirring shaft, a storage battery is fixedly arranged inside the heating cavity, and the storage battery is electrically connected with the heating pipe through a lead;
a wedge-shaped material guide cavity I is arranged on a liquid outlet at the bottom of the primary sedimentation tank, a discharge port of the wedge-shaped material guide cavity I is connected to a top surface feed port of the spiral feeding tank, a motor II is fixedly arranged on the end surface of the spiral feeding tank through a motor mounting seat, an output shaft of the motor II is fixedly connected with a hinge in the spiral feeding tank, a lead plaster discharging pipe orifice is arranged at the bottom of the surface of the other end of the spiral feeding tank, a water outlet groove opening in a strip-shaped structure is arranged at the bottom of the surface of the spiral feeding tank along the horizontal direction, a filter screen layer is arranged on the water outlet groove opening, a flow guide cavity is arranged on the water outlet groove opening at the bottom of the spiral feeding tank, a wedge-shaped material guide cavity II is arranged at an outlet of the flow guide cavity, and the wedge-shaped material guide cavity II is positioned right above the secondary sedimentation tank;
the terminal surface top position of a first-order section of thick bamboo that deposits is connected with the overflow return bend, the overflow return bend is located and is provided with the filtration screen panel on the terminal surface of the inside one end of a first-order section of thick bamboo that deposits, the other end of overflow return bend runs through the setting of separation box bottom surface directly over the second grade setting.
As a still further scheme of the invention: the flow guide cavity is of a quadrilateral frame structure, a flow guide assembly is arranged inside the flow guide cavity and comprises a connecting rod, a first inclined plate, a first vertical plate, a first fixed block, a second inclined plate, a second vertical plate and a second fixed block, the connecting rod is arranged inside the cavity of the flow guide cavity along the horizontal direction, the first inclined plate and the second inclined plate are symmetrically arranged on the arc side surface of the connecting rod at an included angle of 180 degrees, the first vertical plate is arranged on the top surface of the first inclined plate, the second vertical plate is arranged on the bottom surface of the second inclined plate, the first fixed block and the second fixed block are respectively and horizontally arranged on the two side surfaces inside the flow guide cavity, the first fixed block is positioned above the first inclined plate, the second fixed block is positioned below the second inclined plate, U-shaped clamping grooves matched with the first vertical plate and the second vertical plate are respectively formed on the bottom surface of the first fixed block and the top surface of the second fixed block, the first vertical plate is clamped in the U-shaped clamping grooves of the first fixed block, the second vertical plate is clamped in the U-shaped clamping groove of the second fixing block;
one end of the connecting rod penetrates through the side wall of the flow guide cavity and is arranged outside the flow guide cavity.
As a still further scheme of the invention: a feed hopper in a wedge-shaped structure is fixedly arranged on a feed inlet of the crushing table, guide plates inclined towards the center are respectively arranged on two sides inside the feed hopper, and the two guide plates are in an inverted splayed structure inside the feed hopper;
the crushing roller set is fixedly arranged inside the crushing table and comprises a first crushing roller and a second crushing roller which are arranged inside the crushing table side by side, one end of a rotating shaft I connected with the first crushing roller penetrates through the front face of the crushing table and is connected with a first gear, one end of a rotating shaft II connected with the second crushing roller penetrates through the front face of the crushing table and is connected with a second gear, the first gear is meshed with the second gear, and the end part of the rotating shaft I is fixedly connected with the output end of a motor III through a coupler;
and side teeth matched with the first crushing roller and the second crushing roller are respectively arranged on two sides in the crushing table.
As a still further scheme of the invention: the drain pipe of flocculating agent jar runs through separation box top surface and the inside of one-level setting of a precipitation section of thick bamboo surface at the one-level, be provided with the pipeline along separate routes on the drain pipe, the pipeline other end setting is under the second grade setting tank along separate routes, be provided with the control valve on drain pipe and the pipeline along separate routes respectively.
As a still further scheme of the invention: the utility model discloses a setting of air cylinder, including two-stage sedimentation tank, bottom plate, spliced pole, the fixed cavity cuboid structure that does not have the lid in top, two-stage sedimentation tank's both sides bottom position department is provided with the hem, and fixed setting on the hem is by the cylinder the piston rod of cylinder is with the bottom surface fixed connection of backup pad, the bottom surface both ends of backup pad are connected with the bottom plate through the montant respectively, be provided with aeration nest of tubes directly over the bottom plate, aeration nest of tubes passes through the fixed setting on the bottom surface of backup pad of spliced pole of both sides, the fixed fan that is provided with of top surface one end of backup pad, the fan output is connected with aeration nest of tubes.
As a still further scheme of the invention: the aeration pipe group is composed of a plurality of aeration pipes which are arranged in a criss-cross mode, and a filter screen is arranged on an air outlet of each aeration pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the method comprises the steps of obtaining a lead plaster rough blank by repeatedly crushing and wet sorting the waste lead-acid storage battery, guiding the lead plaster rough blank into a crushing table on a treatment table, namely driving a rotating shaft I to rotate through a motor III, and enabling a gear I on the rotating shaft I to be in meshing transmission with a gear II on a rotating shaft II, so that the lead plaster rough blank is kneaded and crushed by a crushing roller I and a crushing roller II, storage battery impurities doped in the lead plaster rough blank are completely separated, and the separation purity of a primary sedimentation cylinder and a secondary sedimentation box to the lead plaster is improved;
2. through arranging the first-stage sedimentation cylinder, the first stirring shaft is driven to rotate by the first motor, the belt pulley drives the second belt pulley to rotate through a belt, so that the first stirring shaft and the second stirring shaft can stir the lead plaster solution and the flocculating agent in the first-stage sedimentation cylinder, the lead plaster solution and the flocculating agent are mixed more thoroughly, meanwhile, heating pipes are arranged inside the first stirring shaft and the second stirring shaft, the first stirring shaft and the second stirring shaft can heat the solution in the first-stage sedimentation cylinder, the movement of molecules in the lead plaster solution and the flocculating agent is further improved, the sedimentation efficiency of the lead plaster is improved, the sedimentated lead plaster is led out of the first-stage sedimentation cylinder through the bolt feeding cylinder, the sedimentated lead plaster is led out, the lead plaster sedimentation efficiency is greatly improved, and the sedimentated lead plaster is led out more conveniently and quickly;
3. through setting up the second grade setting tank, be about to contain the leading-in second grade setting tank of the lower lead plaster solution of lead plaster volume in the one-level setting cylinder, aerate the lead plaster solution in the second grade setting tank through aeration pipe group, further improve the contact surface of flocculating agent and lead plaster solution, make flocculating agent and lead plaster solution mix reaction for a long time, obtain the lead plaster that the secondary appeared, drive the backup pad rebound promptly through cylinder drive piston rod, make the backup pad shift out the second grade setting tank with the bottom plate, thereby take out the lead plaster in the second grade setting tank, through twice sediment promptly, lead plaster in making waste lead acid battery deposits and appears more thoroughly, waste lead acid battery's purifying effect is better.
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 a processing table.
Fig. 2 is a perspective view of the feed hopper in the processing station.
Fig. 3 is a schematic view of the structure of the crushing roller group in the feed hopper.
FIG. 4 is a schematic view of the internal structure of a primary sedimentation cylinder in the treatment station.
FIG. 5 is a schematic structural diagram of a first stirring shaft in the first-stage sedimentation cylinder.
FIG. 6 is a left side view of the stirring shaft.
FIG. 7 is a schematic view of the structure of the outer cylinder in the screw feeding cylinder.
Fig. 8 is a left side view of the baffle cavity.
Fig. 9 is a front view of the diversion cavity.
Fig. 10 is a schematic structural view of a flow guide assembly in a flow guide cavity.
FIG. 11 is a schematic view showing the structure of an aeration tube group in the treatment table.
In the figure: the device comprises a treatment table 1, a settling tank 2, a partition plate 201, a heating cavity 202, a settling cavity 203, a primary settling cylinder 3, a first stirring shaft 301, a first belt pulley 3011, a second stirring shaft 302, a second belt pulley 3021, a stirring blade 303, an annular groove 304, a first motor 305, an annular block 306, a first wedge-shaped material guide cavity 307, a heating pipe 308, an overflow elbow 309, a flocculant tank 4, a liquid outlet pipe 401, a branch pipeline 402, a spiral feeding cylinder 5, a liquid outlet pipe 501, a water outlet 502, a second motor 503, a crushing table 6, a third motor 601, a feed hopper 602, a material guide plate 603, a first rotating shaft 604, a second rotating shaft 6041, a first crushing roller 605, a second crushing roller 6051, a first gear 606, a second gear 6061, a side tooth 607, a diversion cavity 7, a connecting rod 701, a first inclined plate 702, a first vertical plate 703, a first fixed block 704, a second inclined plate 705, a vertical plate 706, a second fixed block 707, a second wedge-shaped material guide cavity aeration 708, a secondary settling tank 8, a support plate, a cylinder 802, a pipe group 803, a belt assembly, Vertical rod 804, bottom plate 805, fan 806.
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 to 11, in an embodiment of the present invention, a multi-stage lead paste precipitation and sorting process for waste storage batteries is characterized in that the sorting process specifically includes the following steps:
the method comprises the following steps: crushing the waste lead-acid storage battery: crushing a waste lead-acid storage battery material to be treated to crush the waste battery into a crushed material;
step two: separating out lead plaster: screening the crushed waste lead-acid storage battery materials in the step one to obtain lead paste rough blanks through lead paste screening;
step three: lead plaster precipitation: guiding the lead plaster rough blank extracted in the step two into a crushing table 6 of a treatment table 1, guiding the lead plaster rough blank crushed by the crushing table 6 into a primary precipitation cylinder 3, guiding a flocculating agent into the primary precipitation cylinder 3, precipitating the lead plaster rough blank in the primary precipitation cylinder 3, and guiding out the precipitate in the primary precipitation cylinder 3 through a spiral feeding cylinder 5, thereby obtaining the lead plaster;
step four: secondary precipitation: the solution containing low amount of lead paste precipitated by the primary precipitation cylinder 3 is led into the secondary precipitation tank 8, a flocculating agent is led into the secondary precipitation tank 8, meanwhile, air flow is blown out into the secondary precipitation tank 8 through the aeration pipe group 803 by the fan 806, so that the contact surface between the flocculating agent in the secondary precipitation tank 8 and the lead paste in the lead paste solution is wider, the lead paste is secondarily precipitated in the secondary precipitation tank 8, the piston rod is driven by the air cylinder 802 to upwards push the support plate 801, the support plate 801 lifts the bottom plate 805 out of the secondary precipitation tank 8, and the precipitated lead paste is moved out of the secondary precipitation tank 8 through the bottom plate 805, so that the lead paste after secondary precipitation is obtained.
In the step one, the waste lead-acid storage battery is crushed twice, the raw material of the waste lead-acid storage battery is conveyed to a primary hammer crusher to carry out primary coarse crushing on the waste battery, the primary coarse crushed raw material directly falls into a primary lead plaster separation sieve to be separated after the primary crushing, a large amount of lead plaster contained in the primary coarse crushed raw material falls through a screen, oversize products enter a secondary hammer crusher through feeding equipment to carry out secondary fine crushing, the secondary fine crushed raw material directly falls into the secondary lead plaster separation sieve to be separated secondarily, and the lead plaster coarse blank contained in the secondary fine crushed raw material falls through the screen.
And in the second step, the lead plaster is separated out by adopting a wet separation method, and the lead plaster at the upper end of the separation screen falls down through the separation screen under the assistance of high-pressure water washing.
In the third step, a separation box 2 is fixedly arranged on the table top of the treatment table 1, the interior of the separation box 2 is divided into a heating cavity 202 and a precipitation cavity 203 by a partition plate 201, a flocculating agent tank 4 and a crushing table 6 are fixedly arranged on the top surface of the separation box 2, and a secondary precipitation box 8 is fixedly arranged below the treatment table 1;
the inner horizontal of the precipitation cavity 203 is provided with a first-level precipitation cylinder 3, the first-level precipitation cylinder 3 is of a cuboid cavity structure, the inner part of the first-level precipitation cylinder 3 is fixedly provided with a stirring component, the stirring component comprises a first stirring shaft 301 and a second stirring shaft 302 which are arranged inside the first-level precipitation cylinder 3 side by side, the structures of the first stirring shaft 301 and the second stirring shaft 302 are completely consistent, the first stirring shaft 301 and the second stirring shaft 302 are respectively provided with a plurality of stirring blades 303, one end of the first stirring shaft 301 penetrating through the side wall of the precipitation cavity 203 is connected with a first belt pulley 3011, one end of the second stirring shaft 302 penetrating through the side wall of the precipitation cavity 203 is connected with a second belt pulley 3021, the first belt pulley 3011 and the second belt pulley 3021 are connected through a gear belt, the outer side wall of the separation box 2 is fixedly provided with a first motor 305 through a motor mounting seat, the output end of the first motor 305 and one end of the first stirring shaft 301 penetrating through the side wall of the precipitation cavity 203 are fixedly connected, the structure of the first stirring shaft 301 and the second stirring shaft 302 is completely consistent, the first stirring shaft 301 and the second stirring shaft 302 are cylindrical cavity structures, the two ends of the first stirring shaft 301 and the second stirring shaft 302 penetrating through the first-level sedimentation cylinder 3 are respectively provided with an annular block 306, the first stirring shaft 301 and the second stirring shaft 302 are rotatably connected in annular grooves 304 of the partition board 201 and the sedimentation cavity 203 through the annular blocks 306 at the two ends, a heating pipe 308 is fixedly arranged inside the cavity of the first stirring shaft 301 and the second stirring shaft 302, a storage battery is fixedly arranged inside the heating cavity 202, the storage battery is electrically connected with the heating pipe 308 through a lead wire, the first stirring shaft 301 is driven to rotate by the first motor 305, the first belt pulley 3011 drives the second belt pulley 3021 to rotate through a belt, so that the first stirring shaft 301 and the second stirring shaft 302 stir the lead plaster solution and the flocculating agent in the first-level sedimentation cylinder 3, and the lead plaster solution and the flocculating agent are mixed more thoroughly, meanwhile, heating pipes (308) are arranged inside the first stirring shaft 301 and the second stirring shaft 302, so that the first stirring shaft 301 and the second stirring shaft 302 can heat the solution in the first-stage precipitation cylinder 3 while stirring, the movement of molecules in a lead plaster solution and a flocculating agent is further improved, and the precipitation efficiency of the lead plaster is improved.
The lead paste automatic feeding device is characterized in that a wedge-shaped material guiding cavity I307 is arranged on a liquid outlet in the bottom surface of the primary sedimentation cylinder 3, a discharge port of the wedge-shaped material guiding cavity I307 is connected to a feed port in the top surface of the spiral feeding cylinder 5, a motor II 503 is fixedly arranged on the end surface of the spiral feeding cylinder 5 through a motor mounting seat, an output shaft of the motor II 503 is fixedly connected with a hinge inside the spiral feeding cylinder 5, a lead paste discharge pipe opening is formed in the bottom of the surface of the other end of the spiral feeding cylinder 5, and tin paste precipitated in the primary sedimentation cylinder 3 is led out through the spiral feeding cylinder 5, so that the lead-out of the tin paste is simpler and more convenient.
The bottom of the surface of the spiral feeding barrel 5 is provided with a water outlet notch with a strip-shaped structure along the horizontal direction, a filter screen layer is arranged on the water outlet notch, a flow guide cavity 7 is arranged on the water outlet notch at the bottom of the spiral feeding barrel 5, a wedge-shaped material guide cavity II 708 is arranged at the outlet of the flow guide cavity 7, and the wedge-shaped material guide cavity II 708 is positioned right above the secondary sedimentation tank 8.
The terminal surface top position of a first-order precipitation section of thick bamboo 3 is connected with overflow return bend 309, overflow return bend 309 is provided with the filter screen panel on being located the terminal surface of the inside one end of a first-order precipitation section of thick bamboo 3, the other end of overflow return bend 309 runs through 2 bottom surfaces of sorting box and sets up directly over second grade settling tank 8, is convenient for carry out the secondary sedimentation with leading-in to second grade settling tank 8 of the less solution of lead content in the inside top of a first-order precipitation section of thick bamboo 3 through overflow return bend 309.
The flow guide cavity 7 is of a quadrilateral frame structure, a flow guide assembly is arranged in the flow guide cavity 7 and comprises a connecting rod 701, a first inclined plate 702, a first vertical plate 703, a first fixed block 704, a second inclined plate 705, a second vertical plate 706 and a second fixed block 707, the connecting rod 701 is arranged in the cavity of the flow guide cavity 7 along the horizontal direction, the first inclined plate 702 and the second inclined plate 705 are symmetrically arranged on the arc side surface of the connecting rod 701 at an included angle of 180 degrees, the first vertical plate 703 is arranged on the top surface of the first inclined plate 702, the second vertical plate 706 is arranged on the bottom surface of the second inclined plate 705, the first fixed block 704 and the second fixed block 707 are respectively and horizontally arranged on the two side surfaces in the flow guide cavity 7, the first fixed block 704 is positioned above the first inclined plate 702, the second fixed block 707 is positioned below the second inclined plate 705, and U-shaped clamping grooves matched with the first vertical plate 703 and the second vertical plate 706 are respectively arranged on the bottom surface of the first fixed block 704 and the top surface of the second fixed block 707, the first vertical plate 703 is clamped in a U-shaped clamping groove of the first fixing block 704, the second vertical plate 706 is clamped in a U-shaped clamping groove of the second fixing block 707, one end of the connecting rod 701 penetrates through the side wall of the flow guide cavity 7 and is arranged outside the flow guide cavity 7, the first inclined plate 702 and the second inclined plate 705 are arranged in the flow guide cavity 7 through the connecting rod, the flow in the flow guide cavity 7 is controlled through the first inclined plate 702 and the second inclined plate 705, and the reaction time of a lead-containing solution in the first-stage sedimentation cylinder 3 is prolonged.
A feed hopper 602 with a wedge-shaped structure is fixedly arranged on a feed inlet of the crushing table 6, guide plates 603 inclined towards the center are respectively arranged on two sides in the feed hopper 602, the two guide plates 603 are in an inverted V-shaped structure in the feed hopper 602, a crushing roller set is fixedly arranged in the crushing table 6 and comprises a first crushing roller 605 and a second crushing roller 6051 which are arranged in the crushing table 6 side by side, one end of a first rotating shaft 604 connected with the first crushing roller 605 penetrates through the front surface of the crushing table 6 and is connected with a first gear 606, one end of a second rotating shaft 6041 connected with the second crushing roller 6051 penetrates through the front surface of the crushing table 6 and is connected with a second gear 6061, the first gear 606 is meshed with the second gear 6061, the end part of the first rotating shaft 604 is fixedly connected with an output end of a third motor 601 through a coupler, side teeth 607 matched with the first crushing roller 605 and the second crushing roller 6051 are respectively arranged on two sides in the crushing table 6, the lead plaster rough blank is led into a crushing table 6 on a processing table 1, namely, a first rotating shaft 604 is driven to rotate through a third motor 601, a first gear 606 on the first rotating shaft 604 is in meshed transmission with a second gear 6061 on a second rotating shaft 6041, so that the first crushing roller 605 and the second crushing roller 6051 rub and crush the lead plaster rough blank, storage battery impurities doped in the lead plaster rough blank are completely separated, and the separation purity of the lead plaster rough blank by a first-stage precipitation cylinder 3 and a second-stage precipitation box 8 is improved.
4. The secondary sedimentation tank 8 is a hollow cuboid structure without a cover at the top, the bottom positions of two sides of the secondary sedimentation tank 8 are provided with folded edges, the folded edges are fixedly provided with a cylinder 802, a piston rod of the cylinder 802 is fixedly connected with the bottom surface of a supporting plate 801, two ends of the bottom surface of the supporting plate 801 are respectively connected with a bottom plate 805 through vertical rods 804, an aeration pipe group 803 is arranged right above the bottom plate 805, the aeration pipe group 803 is fixedly arranged on the bottom surface of the supporting plate 801 through connecting columns at two sides, one end of the top surface of the supporting plate 801 is fixedly provided with a fan 806, the output end of the fan 806 is connected with the aeration pipe group 803, the aeration pipe group 803 is composed of a plurality of aeration pipes which are arranged in a criss-cross way, and a filter screen is arranged on the air outlet of the aeration pipe, namely, a lead plaster solution with lower lead plaster content in the primary sedimentation cylinder 3 is guided into the secondary sedimentation tank 8, the lead plaster solution in the secondary sedimentation tank 8 is aerated through the aeration pipe set 803, the contact surface of a flocculating agent and the lead plaster solution is further improved, the flocculating agent and the lead plaster solution are subjected to long-time mixed reaction, the lead plaster separated out secondarily is obtained, namely, the piston rod is driven through the air cylinder 802 to drive the support plate 801 to move upwards, the support plate 801 moves the bottom plate 805 out of the secondary sedimentation tank 8, the lead plaster in the secondary sedimentation tank 8 is taken out, namely, the lead plaster in the waste lead-acid storage battery is precipitated and separated out more thoroughly through twice precipitation, and the purification effect of the waste lead-acid storage battery is better.
The working principle of the treatment table is as follows: the method comprises the steps of obtaining a crude lead paste blank by a waste lead-acid storage battery through multiple times of crushing and wet sorting, guiding the crude lead paste blank into a crushing table 6 on a treatment table 1, namely driving a rotating shaft I604 to rotate through a motor III 601, enabling a gear I606 on the rotating shaft I604 to be in meshed transmission with a gear II 6061 on a rotating shaft II 6041, enabling a crushing roller I605 and a crushing roller II 6051 to knead and crush the crude lead paste blank, enabling storage battery impurities doped in the crude lead paste blank to be completely separated and to be guided into a primary sedimentation cylinder 3, driving a stirring shaft I301 to rotate through a motor I305, enabling a belt pulley I3011 to drive a belt pulley II 3021 to rotate through a belt, enabling a stirring shaft I301 and a stirring shaft II 302 to stir the lead paste solution and a flocculating agent in the primary sedimentation cylinder 3, enabling the lead paste solution and the flocculating agent to be mixed more thoroughly, simultaneously arranging a heating pipe 308 inside the stirring shaft I301 and the stirring shaft II 302, enabling the stirring shaft I301 and the stirring shaft II 302 to stir and simultaneously heat the solution in the primary sedimentation cylinder 3, further improving the movement of the lead plaster solution and molecules in the flocculating agent, improving the precipitation efficiency of the lead plaster, leading the precipitated lead plaster out of the primary precipitation cylinder 3 through the bolt feeding cylinder 5, realizing the derivation of the precipitated lead plaster, arranging the secondary precipitation tank 8, namely leading the lead plaster solution with lower lead plaster content in the primary precipitation cylinder 3 into the secondary precipitation tank 8, aerating the lead plaster solution in the secondary precipitation tank 8 through the aeration pipe group 803, further improving the contact surface of the flocculating agent and the lead plaster solution, leading the flocculating agent and the lead plaster solution to be mixed and reacted for a long time to obtain the lead plaster which is secondarily precipitated, namely, driving the piston rod to drive the support plate 801 to move upwards through the cylinder 802, leading the support plate 801 to move the bottom plate 805 out of the secondary precipitation tank 8, thereby taking out the lead plaster in the secondary precipitation tank 8, namely, leading the lead plaster in the waste lead-acid storage battery to be precipitated more thoroughly through twice precipitation, the purification effect of the waste lead-acid storage battery is better.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (4)
1. A multistage diachylon precipitation separation process for waste storage batteries is characterized by comprising the following specific steps:
the method comprises the following steps: crushing the waste lead-acid storage battery: crushing a waste lead-acid storage battery material to be treated to crush the waste battery into a crushed material;
step two: separating out lead plaster: screening the crushed waste lead-acid storage battery materials in the step one to obtain lead paste rough blanks through lead paste screening;
step three: lead plaster precipitation: guiding the lead plaster rough blank extracted in the step two into a crushing table (6) of a treatment table (1), guiding the lead plaster rough blank crushed by the crushing table (6) into a primary precipitation cylinder (3), guiding a flocculating agent into the primary precipitation cylinder (3), precipitating the lead plaster rough blank in the primary precipitation cylinder (3), and guiding out the precipitate in the primary precipitation cylinder (3) through a spiral feeding cylinder (5), thereby obtaining the lead plaster;
step four: secondary precipitation: leading the solution with low lead-containing paste amount precipitated by the primary precipitation cylinder (3) into a secondary precipitation tank (8), leading a flocculating agent into the secondary precipitation tank (8), blowing air flow into the secondary precipitation tank (8) through an aeration pipe group (803) by a fan (806), enabling the contact surface between the flocculating agent in the secondary precipitation tank (8) and the lead paste in the lead paste solution to be wider, enabling the lead paste to be secondarily precipitated in the secondary precipitation tank (8), driving a piston rod to upwards push a support plate (801) through an air cylinder (802), enabling the support plate (801) to lift a bottom plate (805) out of the secondary precipitation tank (8), and moving the precipitated lead paste out of the secondary precipitation tank (8) through the bottom plate (805) to obtain the lead paste after secondary precipitation;
in the third step, a separation box (2) is fixedly arranged on the table top of the treatment table (1), the interior of the separation box (2) is divided into a heating cavity (202) and a settling cavity (203) by a partition plate (201), a flocculating agent tank (4) and a crushing table (6) are fixedly arranged on the top surface of the separation box (2), and a secondary sedimentation box (8) is fixedly arranged below the treatment table (1);
the inner horizontal of the precipitation cavity (203) is provided with a first-level precipitation cylinder (3), the first-level precipitation cylinder (3) is of a cuboid cavity structure, a stirring assembly is fixedly arranged in the first-level precipitation cylinder (3), the stirring assembly comprises a first stirring shaft (301) and a second stirring shaft (302) which are arranged in the first-level precipitation cylinder (3) side by side, the structures of the first stirring shaft (301) and the second stirring shaft (302) are completely consistent, a plurality of stirring blades (303) are respectively arranged on the first stirring shaft (301) and the second stirring shaft (302), one end of the first stirring shaft (301) penetrates through the side wall of the precipitation cavity (203) and is connected with a first belt pulley (3011), one end of the second stirring shaft (302) penetrates through the side wall of the precipitation cavity (203) and is connected with a second belt pulley (3021), and the first belt pulley (3011) and the second belt pulley (3021) are connected through a gear belt, a first motor (305) is fixedly arranged on the outer side wall of the separation box (2) through a motor mounting seat, and the output end of the first motor (305) is fixedly connected with one end, penetrating through the side wall of the sedimentation cavity (203), of the stirring shaft (301);
the structure of the first stirring shaft (301) is completely consistent with that of the second stirring shaft (302), the first stirring shaft (301) and the second stirring shaft (302) are both cylindrical cavity structures, two ends of the first stirring shaft (301) and the second stirring shaft (302) penetrating through the primary sedimentation cylinder (3) are respectively provided with an annular block (306), the first stirring shaft (301) and the second stirring shaft (302) are rotatably connected in annular grooves (304) of a partition plate (201) and a sedimentation cavity (203) through the annular blocks (306) at the two ends, a heating pipe (308) is fixedly arranged in the cavity of the first stirring shaft (301) and the second stirring shaft (302), a storage battery is fixedly arranged in the heating cavity (202), and the storage battery is electrically connected with the heating pipe (308) through a lead;
a wedge-shaped material guide cavity I (307) is arranged on a liquid outlet at the bottom of the primary sedimentation cylinder (3), the discharge hole of the wedge-shaped material guide cavity I (307) is connected to the top surface feed hole of the spiral feeding barrel (5), a second motor (503) is fixedly arranged on the end surface of the spiral feeding barrel (5) through a motor mounting seat, the output shaft of the second motor (503) is fixedly connected with a hinge in the spiral feeding barrel (5), the bottom of the surface of the other end of the spiral feeding barrel (5) is provided with a lead plaster discharging pipe orifice, the bottom of the surface of the spiral feeding barrel (5) is provided with a water outlet notch with a strip-shaped structure along the horizontal direction, a filter screen layer is arranged on the water outlet notch, a flow guide cavity (7) is arranged on the water outlet notch at the bottom of the spiral feeding barrel (5), a second wedge-shaped material guide cavity (708) is arranged at the outlet of the flow guide cavity (7), the second wedge-shaped material guide cavity (708) is positioned right above the second-stage settling tank (8);
the top of the end face of the primary sedimentation cylinder (3) is connected with an overflow elbow (309), the end face of the overflow elbow (309) at one end inside the primary sedimentation cylinder (3) is provided with a filter screen, and the other end of the overflow elbow (309) penetrates through the bottom surface of the separation box (2) and is arranged right above the secondary sedimentation box (8);
the flow guide cavity (7) is of a quadrilateral frame structure, a flow guide assembly is arranged in the flow guide cavity (7), the flow guide assembly comprises a connecting rod (701), an inclined plate I (702), a vertical plate I (703), a fixed block I (704), an inclined plate II (705), a vertical plate II (706) and a fixed block II (707), the connecting rod (701) is arranged in the cavity of the flow guide cavity (7) along the horizontal direction, the inclined plate I (702) and the inclined plate II (705) are symmetrically arranged on the arc side surface of the connecting rod (701) at an included angle of 180 degrees, the vertical plate I (703) is arranged on the top surface of the inclined plate I (702), the vertical plate II (706) is arranged on the bottom surface of the inclined plate II (705), the fixed block I (704) and the fixed block II (707) are respectively and horizontally arranged on the two side surfaces of the inner part of the flow guide cavity (7), and the fixed block I (704) is positioned above the inclined plate I (702), the second fixing block (707) is positioned below the second inclined plate (705), U-shaped clamping grooves matched with a first vertical plate (703) and a second vertical plate (706) are respectively formed in the bottom surface of the first fixing block (704) and the top surface of the second fixing block (707), the first vertical plate (703) is clamped in the U-shaped clamping groove of the first fixing block (704), and the second vertical plate (706) is clamped in the U-shaped clamping groove of the second fixing block (707);
one end of the connecting rod (701) penetrates through the side wall of the flow guide cavity (7) and is arranged outside the flow guide cavity (7);
a feed hopper (602) in a wedge-shaped structure is fixedly arranged on a feed inlet of the crushing table (6), guide plates (603) inclined towards the center are respectively arranged on two sides inside the feed hopper (602), and the two guide plates (603) are in an inverted splayed structure inside the feed hopper (602);
the crushing roller set is fixedly arranged inside the crushing table (6) and comprises a first crushing roller (605) and a second crushing roller (6051) which are arranged inside the crushing table (6) side by side, one end of a first rotating shaft (604) connected with the first crushing roller (605) penetrates through the front face of the crushing table (6) and is connected with a first gear (606), one end of a second rotating shaft (6041) connected with the second crushing roller (6051) penetrates through the front face of the crushing table (6) and is connected with a second gear (6061), the first gear (606) is meshed with the second gear (6061) and is connected, and the end part of the first rotating shaft (604) is fixedly connected with the output end of a third motor (601) through a coupler;
two sides in the crushing table (6) are respectively provided with side teeth (607) matched with the first crushing roller (605) and the second crushing roller (6051);
a liquid outlet pipe (401) of the flocculating agent tank (4) penetrates through the top surface of the sorting box (2) and the surface of the primary sedimentation cylinder (3) and is arranged inside the primary sedimentation cylinder (3), a shunt pipeline (402) is arranged on the liquid outlet pipe (401), the other end of the shunt pipeline (402) is arranged right below the secondary sedimentation box (8), and control valves are respectively arranged on the liquid outlet pipe (401) and the shunt pipeline (402);
second grade setting tank (8) are the uncovered cavity cuboid structure in top, the both sides bottom position department of second grade setting tank (8) is provided with the hem, and fixed setting is by cylinder (802) on the hem the bottom surface fixed connection of the piston rod of cylinder (802) with backup pad (801), the bottom surface both ends of backup pad (801) are connected with bottom plate (805) through montant (804) respectively, be provided with aeration nest of tubes (803) directly over bottom plate (805), aeration nest of tubes (803) are fixed to be set up on the bottom surface of backup pad (801) through the spliced pole of both sides, the fixed fan (806) that is provided with of top surface one end of backup pad (801), fan (806) output and aeration nest of tubes (803) are connected.
2. The multi-stage lead plaster precipitation and separation process for waste batteries according to claim 1, wherein the waste lead-acid storage battery is crushed in step one by two, the waste lead-acid storage battery raw material is conveyed to a primary hammer crusher to carry out primary coarse crushing on the waste batteries, the primary coarse crushed raw material directly falls into a primary lead plaster separation sieve for separation after the primary crushing, a large amount of lead plaster contained in the primary coarse crushed raw material falls through a screen, oversize materials enter a secondary hammer crusher through feeding equipment for secondary fine crushing, the secondary fine crushed raw material directly falls into a secondary lead plaster separation sieve for secondary separation, and the lead plaster coarse blanks contained in the secondary fine crushed raw material fall through the screen.
3. The multistage diachylon precipitation and separation process for the waste storage batteries according to claim 1, characterized in that the diachylon separation in the second step is carried out by adopting a wet separation method, and diachylon at the upper end of a separation screen falls down through the separation screen under the assistance of high-pressure water washing.
4. The multistage diachylon precipitation and sorting process for the waste storage batteries according to claim 1, wherein the aeration pipe set (803) is composed of a plurality of aeration pipes which are arranged in a criss-cross manner, and a filter screen is arranged on an air outlet of each aeration pipe.
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| CN202010936050.6A CN112080639B (en) | 2020-09-08 | 2020-09-08 | Multistage lead plaster precipitation and separation process for waste storage batteries |
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| CN112853116B (en) * | 2020-12-29 | 2023-04-07 | 安徽天畅金属材料有限公司 | Lead-containing substance recovery processing device based on waste lead-acid storage battery |
| CN112885989B (en) * | 2020-12-29 | 2022-03-11 | 天能电池(芜湖)有限公司 | Rolling type paste mixing device |
| CN113328163B (en) * | 2021-05-28 | 2022-07-12 | 太和县大华能源科技有限公司 | Lead paste purification equipment for lead-acid battery recovery and purification method thereof |
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| WO2009125929A2 (en) * | 2008-04-08 | 2009-10-15 | 이앤이텍 주식회사 | System for reducing environmental pollutants |
| CN105063361B (en) * | 2015-08-20 | 2017-03-22 | 江西铜业股份有限公司 | Method for comprehensively recovering valuable metal from copper anode slime |
| CN107658519B (en) * | 2017-09-13 | 2018-11-02 | 华中科技大学 | A kind of method of recycling waste lead acid battery lead plaster |
| CN110639691A (en) * | 2019-08-29 | 2020-01-03 | 浙江浙矿重工股份有限公司 | Multistage diachylon precipitation and sorting method for waste lead-acid storage batteries |
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Denomination of invention: A multi-stage lead paste precipitation and sorting process for waste batteries Granted publication date: 20220322 Pledgee: Anhui Taihe rural commercial bank Limited by Share Ltd. Pledgor: TAIHE DAHUA ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2024980029615 |
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