CN112264425A - Crushing and fine sorting process of waste lead storage battery - Google Patents
Crushing and fine sorting process of waste lead storage battery Download PDFInfo
- Publication number
- CN112264425A CN112264425A CN202010921677.4A CN202010921677A CN112264425A CN 112264425 A CN112264425 A CN 112264425A CN 202010921677 A CN202010921677 A CN 202010921677A CN 112264425 A CN112264425 A CN 112264425A
- Authority
- CN
- China
- Prior art keywords
- waste
- crushing
- plate
- lead
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 85
- 238000000034 method Methods 0.000 title claims abstract description 55
- 238000003860 storage Methods 0.000 title claims abstract description 49
- 230000008569 process Effects 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000002910 solid waste Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000010865 sewage Substances 0.000 claims abstract description 18
- 239000010808 liquid waste Substances 0.000 claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 40
- 238000012216 screening Methods 0.000 claims description 33
- 239000011505 plaster Substances 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 32
- 241000270728 Alligator Species 0.000 claims description 29
- 239000004033 plastic Substances 0.000 claims description 22
- 229920003023 plastic Polymers 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 14
- 239000002585 base Substances 0.000 claims description 12
- 238000006386 neutralization reaction Methods 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000003723 Smelting Methods 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000011344 liquid material Substances 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920006255 plastic film Polymers 0.000 claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 239000000701 coagulant Substances 0.000 claims description 4
- 238000006477 desulfuration reaction Methods 0.000 claims description 4
- 230000023556 desulfurization Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 239000010436 fluorite Substances 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 239000012634 fragment Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- 239000004579 marble Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 239000007790 solid phase Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 241000270722 Crocodylidae Species 0.000 claims 9
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims 9
- 238000007873 sieving Methods 0.000 claims 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- 238000009853 pyrometallurgy Methods 0.000 claims 1
- 230000008929 regeneration Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000008187 granular material Substances 0.000 description 5
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 3
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000010907 mechanical stirring Methods 0.000 description 3
- 230000001698 pyrogenic effect Effects 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910001245 Sb alloy Inorganic materials 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000002140 antimony alloy Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910000464 lead oxide Inorganic materials 0.000 description 1
- 239000002142 lead-calcium alloy Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- 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
- C22B13/02—Obtaining lead by dry processes
- C22B13/025—Recovery from waste materials
-
- 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
- C22B7/001—Dry processes
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/02—Gases or liquids enclosed in discarded articles, e.g. aerosol cans or cooling systems of refrigerators
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a crushing and fine sorting process of waste lead storage batteries, which comprises the following specific steps: the method comprises the following steps: disassembling a lead storage battery: disassembling the waste lead storage battery, dividing the waste lead storage battery into liquid waste and solid waste, placing the liquid waste into a sewage tank, and placing the solid waste into a solid treatment workshop; step two: cleaning solid waste: and cleaning the outer surface of the solid waste, and pouring the cleaned water into a sewage tank. According to the crushing and fine sorting process for the waste lead storage batteries, the sorting effect is better through two sorting steps, and the waste of recyclable materials caused by incomplete sorting is effectively avoided; just carry out the collection of liquid waste material before the breakage to wash the solid waste surface, collect liquid waste material and washing the waste liquid, carry out the processing of waste liquid simultaneously, can collect and handle the waste liquid well, avoid causing the pollution to solid waste because of the existence of waste liquid, reduce the pollution that receives the waste liquid in the later stage recovery processing process, environmental protection more.
Description
Technical Field
The invention relates to the technical field of waste lead storage battery recovery, in particular to a crushing and fine sorting process of waste lead storage batteries.
Background
The lead-acid accumulator consists of mainly spongy lead negative electrode, lead dioxide positive electrode, 33-37% sulfuric acid electrolyte, partition board, terminal, exhaust bolt, connecting bar, casing and other parts. The positive and negative electrodes produced in modern industry generally use lead-calcium alloy or lead-antimony alloy as grid, and the active substances of the positive and negative plates are PbO2 and Pb, respectively. In industrial production, firstly lead ingots are crushed and made into balls, then ball milling oxidation is carried out in an Shimadzu ball mill or melting oxidation is carried out by utilizing a Barton lead powder machine, lead powder with the PbO content of 75-80% (Shimadzu method) or lead oxide powder with the PbO content of 100% (Barton method) is obtained through sorting, settling and separating, and the lead powder is formed into a green plate through paste mixing, plate coating and curing, and then formed into a positive electrode and a negative electrode with electrochemical activity.
The cost and energy consumption of recovering lead from waste lead-acid storage batteries are respectively reduced by 38 percent and 33 percent compared with the cost and energy consumption of mining lead ores, so the lead-acid storage batteries are always the main raw materials for lead smelting. The modern fully-sealed valve-controlled lead-acid battery is relatively clean in the use process, so lead pollution caused by the lead-acid battery mainly comes from the production and recovery links of the lead-acid battery. In order to reduce the pollution of the lead-acid storage battery to the environment, the emphasis should be placed on prolonging the service life of the lead-acid storage battery and adopting a novel lead recovery process. The sustainable development of lead resources is realized by developing a clean and efficient lead recovery technology, and the problem of secondary pollution to the environment in the lead recovery process is to be solved urgently.
The existing treatment process for the waste lead storage battery can not collect and treat the waste liquid well when the waste lead storage battery is crushed and sorted, the solid waste is easily polluted due to the existence of the waste liquid, the later recycling is influenced, secondly, the sorting process is single in the sorting process, the sorting efficiency can not be realized, and the waste of recyclable objects is easily caused due to incomplete sorting.
Disclosure of Invention
The invention mainly aims to provide a process for crushing and finely sorting waste lead storage batteries, which can effectively solve the problems that waste liquid cannot be well collected and treated, solid waste is easily polluted due to the existence of the waste liquid, the later recycling is influenced, the sorting process is single, the sorting efficiency cannot be realized, and the waste of recyclable materials is easily caused due to incomplete sorting in the background technology when the waste lead storage batteries are crushed and sorted.
In order to achieve the purpose, the invention adopts the technical scheme that:
a process for crushing and finely sorting waste lead storage batteries comprises the following specific steps:
the method comprises the following steps: disassembling a lead storage battery: disassembling the waste lead storage battery, dividing the waste lead storage battery into liquid waste and solid waste, placing the liquid waste into a sewage tank, and placing the solid waste into a solid treatment workshop;
step two: cleaning solid waste: cleaning the outer surface of the solid waste, pouring the cleaned water into a sewage tank, and then pouring the water and the waste liquid in the sewage tank in the step one into an acid storage tank for neutralization treatment;
step three: crushing treatment and primary sorting: conveying the solid waste cleaned in the step two into an alligator type crushing bin for crushing, crushing the solid waste into fragments with the maximum size not exceeding 50mm by a stainless steel pendulum bob to obtain crushed materials, sequentially flowing into a primary roller and a secondary roller for washing under the actions of vibration and water for primary screening, and collecting the incompletely separated crushed materials for later use;
step four: fine sorting treatment: the method comprises the following steps of firstly, feeding the incompletely separated broken materials in the third step into a lead plaster separation sieve for screening, screening the lead plaster, then, feeding the broken materials with the screened lead plaster into a grid separation sieve for screening, screening the grid, feeding the broken materials with the screened grid into a waste pool, feeding a partition plate sinking to the bottom out, finally, feeding the liquid material on the upper layer of the waste pool into a hydrodynamic separation sieve for separation, and separating plastics and plastic films, wherein fine separation of the lead plaster, the grid, the partition plate and the plastics of the solid waste is completed at the moment.
As a further scheme of the invention, the sewage tank in the first step is made of marble materials and has the functions of acid resistance and leakage resistance.
As a further scheme of the invention, after the waste liquid in the second step is collected in an acid storage tank, the waste liquid and water are diluted according to a ratio of 1:4 and then are pumped into a neutralization reaction tank in multiple batches, alkaline lead slag is added, mechanical stirring is carried out simultaneously, so that acid and alkali are fully subjected to neutralization reaction, and the pH value is kept at 6-8.5 in the process.
As a further scheme of the invention, in the second step, after the acid storage tank is added, the coagulant is added into the acid storage tank.
As a further proposal of the invention, the lead plaster fluid formed by sorting in the third step is filtered by a vacuum continuous filter or a plate-and-frame filter press to form filter cake-shaped piles to be treated.
As a further scheme of the invention, different densities and particle differences between overflow water flow and materials are utilized in the third step, so that the grid, the lead plaster, the plastic and the partition plate are separately enriched, and primary separation is realized.
As a further scheme of the invention, the diachylon in the fourth step is subjected to pyrometallurgical smelting after desulfurization and conversion, metal can be directly smelted, the electrolyte can be recycled after treatment, and the plastic shell can be directly recycled or recycled after simple treatment.
As a further scheme of the invention, the grid in the fourth step is reduced from the secondary lead treatment plant by a pyrogenic process, a wet process or a solid-phase electrolytic reduction smelting treatment, and in the treatment process, other fluxes are added besides the reducing agent: scrap iron, sodium carbonate, limestone, quartz, and fluorite.
As a further scheme of the invention, in the third step, the alligator type crushing bin comprises a base, a main body box is fixedly installed on one side of the upper end of the base, a crushing motor is fixedly installed on the other side of the upper end of the base, a belt pulley is arranged on the upper end of the main body box, the belt pulley is connected with the crushing motor through a belt, a first alligator plate is fixedly installed on one side of the inner wall of the main body box, a second alligator plate is arranged on the lower end of the belt pulley, the second alligator plate is arranged opposite to the first alligator plate, a feed inlet is formed in the main body box at the upper end between the second alligator plate and the first alligator plate, a discharge outlet is formed in the main body box at the lower end between the second alligator plate and the first alligator plate, a first-stage rotary sieve plate is fixedly installed at one end of the base, the first-stage rotary sieve plate is arranged, the lower end of the first-stage rotary sieve plate is provided with a first grading box, the lower end of the second-stage rotary sieve plate is provided with a second grading box, one side of the second grading box is provided with a third grading box, the upper end of the side wall of the third grading box is fixedly provided with a baffle plate, and the baffle plate is positioned on one side above the second-stage rotary sieve plate;
the one-level is rotated the last horizontal penetration of sieve and is provided with a plurality of rotatory rollers of group, and a plurality of rotatory equidistant settings of roller of group, one side fixed mounting that the sieve was rotated to the one-level has the mounting panel, the one end fixed mounting of rotatory roller has the gear, a plurality of groups all cup jointed the drive belt on the gear, and a plurality of groups the gear all is located the one-level with the drive belt and rotates between sieve and the mounting panel, the lateral wall fixed mounting of mounting panel has rotatory screening machine, the pivot of rotatory screening machine is located the inside of drive belt, and pivot and a plurality of groups the gear passes through drive belt swing joint, the sieve is rotated with the second grade to the one-level and is rotated the sieve structural equivalence, and the difference lies in that the interval of a plurality of rotatory rollers of groups on.
Compared with the prior art, after the crocodile-type crushing bin is crushed, the materials flow into the primary roller and the secondary roller successively under the actions of vibration and water washing for primary screening, the grids, the diachylon, the plastics and the partition plate are separately enriched by utilizing different densities and particle differences between overflow water flow and the materials, the crushed materials which are not completely separated are collected for standby, and the primary screening is completed; then, the broken materials which are not completely separated are sent into a lead plaster separating screen to be screened, lead plaster is screened, then the broken materials which are screened out of the lead plaster are sent into a grid separating screen to be screened, a grid is selected, the broken materials which are screened out of the grid are sent into a waste material pool, a partition plate which sinks into the bottom is sent out, finally liquid materials on the upper layer of the waste material pool are sent into a hydrodynamic separating screen to be separated, plastics and plastic films are separated, fine separation of the lead plaster, the grid, the partition plate and the plastics of solid wastes is completed at the moment, the separation effect is better through two separation steps, and waste of recyclable materials caused by incomplete separation is effectively avoided.
Compared with the prior art, the method has the advantages that the liquid waste is collected before crushing, the surface of the solid waste is cleaned, the liquid waste and the cleaning waste liquid are collected, the waste liquid is treated at the same time, the waste liquid can be well collected and treated, the solid waste is prevented from being polluted due to the existence of the waste liquid, the pollution caused by the waste liquid in the later-stage recovery treatment process is reduced, and the method is more environment-friendly.
Compared with the prior art, the alligator type crushing bin is used for crushing, so that solid waste can be crushed firstly and then sorted, particles with different particle sizes can be conveniently screened out according to the volume sizes, the subsequent fine sorting is conveniently carried out, the crushing is more practical compared with the traditional method, the different particle sizes are respectively collected in the first classification box, the second classification box and the third classification box, the particle size in the first classification box is the minimum, the particle size in the second classification box is in the middle, and the particle size in the third classification box is the maximum.
Drawings
Fig. 1 is an overall sectional view of an alligator crushing bin of the present invention.
Fig. 2 is a cross-sectional view of a first stage rotating screen deck in the alligator crushing bin of the present invention.
In the figure: 1. a base; 2. a main body case; 3. a motor; 4. a belt pulley; 5. a first alligator plate; 6. a second alligator plate; 7. a first classification tank; 8. a second classification box; 9. a third classification box; 10. a first-stage rotating sieve plate; 11. a second-stage rotating sieve plate; 12. a striker plate; 13. a rotating roller; 14. a gear; 15. a transmission belt; 16. a rotary screening machine; 17. a rotating shaft; 18. and (7) mounting the plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
A process for crushing and finely sorting waste lead storage batteries comprises the following specific steps:
the method comprises the following steps: disassembling a lead storage battery: disassembling the waste lead storage battery, dividing the waste lead storage battery into liquid waste and solid waste, placing the liquid waste into a sewage tank, and placing the solid waste into a solid treatment workshop; the sewage tank is made of marble materials and has the functions of acid resistance and seepage resistance;
step two: cleaning solid waste: cleaning the outer surface of the solid waste, pouring the cleaned water into a sewage tank, and then pouring the water and the waste liquid in the sewage tank in the step one into an acid storage tank for neutralization treatment; after adding into the acid storage tank, adding a coagulant into the acid storage tank; collecting the waste liquid in an acid storage tank, diluting the waste liquid with water according to a ratio of 1:4, pumping the diluted waste liquid into a neutralization reaction tank in multiple batches, adding alkaline lead slag, and simultaneously carrying out mechanical stirring to ensure that acid and alkali are fully subjected to neutralization reaction, wherein the pH value is kept at 6-8.5 in the process;
step three: crushing treatment and primary sorting: conveying the solid waste cleaned in the step two into an alligator type crushing bin for crushing, crushing the solid waste into fragments with the maximum size not exceeding 50mm by a stainless steel pendulum bob to obtain crushed materials, sequentially flowing into a primary roller and a secondary roller for washing under the actions of vibration and water for primary screening, and collecting the incompletely separated crushed materials for later use; the different densities and particle differences between overflow water flow and materials are utilized to separately enrich the grid, the lead plaster, the plastic and the partition plate, so that preliminary separation is realized; filtering the lead plaster fluid formed by sorting by a vacuum continuous filter or a plate-frame filter press to form filter cake-shaped piles to be treated;
step four: fine sorting treatment: firstly, feeding the incompletely separated broken materials in the third step into a lead plaster separating screen for screening, screening the lead plaster, then feeding the broken materials screened from the lead plaster into a grid separating screen for screening, screening the grid, then feeding the broken materials screened from the grid into a waste pool, feeding a partition plate sunk to the bottom out, finally feeding the liquid material on the upper layer of the waste pool into a hydrodynamic separating screen for separating, and separating plastics and plastic films, wherein the fine separation of the lead plaster, the grid, the partition plate and the plastics of the solid waste is finished at the moment; the lead plaster is subjected to pyrometallurgical smelting after desulfurization and conversion, metal can be directly smelted, the electrolyte is recycled after treatment, and the plastic shell can be directly recycled or recycled after simple treatment; the lead in the grid is reduced by a secondary lead treatment plant through a pyrogenic process, a wet process or a solid-phase electrolytic reduction smelting treatment, and other fluxes are required to be added besides a reducing agent in the treatment process: scrap iron, sodium carbonate, limestone, quartz, and fluorite.
After the crocodile-type crushing bin is crushed, the crushed materials flow into a primary roller and a secondary roller to be washed sequentially under the actions of vibration and water washing for primary screening, a grid, lead paste, plastics and a partition plate are separately enriched by utilizing different densities and particle differences between overflow water flow and the materials, the incompletely separated crushed materials are collected for later use, and the primary screening is completed; then, feeding the incompletely separated broken materials into a lead plaster separation sieve for screening, screening the lead plaster, feeding the screened broken materials into a grid separation sieve for screening, screening the grid, feeding the screened broken materials into a waste pool, feeding a partition plate sinking to the bottom, finally feeding the liquid material on the upper layer of the waste pool into a hydrodynamic separation sieve for separation, and separating plastic and plastic films, so that the fine separation of the lead plaster, the grid, the partition plate and the plastic of the solid waste is completed, the separation effect is better through two separation steps, and the waste of recyclable materials caused by incomplete separation is effectively avoided; according to the invention, the liquid waste is collected before crushing, the surface of the solid waste is cleaned, the liquid waste and the cleaning waste liquid are collected, and the waste liquid is treated, so that the waste liquid can be well collected and treated, the solid waste is prevented from being polluted due to the existence of the waste liquid, the pollution of the waste liquid in the later recovery treatment process is reduced, and the method is more environment-friendly.
Example 2
As shown in fig. 1-2, a crushing and fine sorting process for waste lead storage batteries, the alligator crushing bin comprises a base 1, a main body box 2 is fixedly installed on one side of the upper end of the base 1, a crushing motor 3 is fixedly installed on the other side of the upper end of the base 1, a belt pulley 4 is arranged on the upper end of the main body box 2, the belt pulley 4 is connected with the crushing motor 3 through a belt, a first alligator plate 5 is fixedly installed on one side of the inner wall of the main body box 2, a second alligator plate 6 is arranged at the lower end of the belt pulley 4, the second alligator plate 6 is arranged opposite to the first alligator plate 5, a feed inlet is arranged on the main body box 2 at the upper end between the second alligator plate 6 and the first alligator plate 5, a discharge outlet is arranged on the main body box 2 at the lower end between the second alligator plate 6 and the first alligator plate 5, a first rotary sieve plate 10 is fixedly installed at one end of the, one end of the first-stage rotating sieve plate 10 is connected with a second-stage rotating sieve plate 11 through a connecting belt, a first grading box 7 is arranged at the lower end of the first-stage rotating sieve plate 10, a second grading box 8 is arranged at the lower end of the second-stage rotating sieve plate 11, a third grading box 9 is arranged on one side of the second grading box 8, a material baffle plate 12 is fixedly arranged at the upper end of the side wall of the third grading box 9, and the material baffle plate 12 is positioned on one side above the second-stage rotating sieve plate 11;
the last horizontal run-through of one-level rotation sieve 10 is provided with a plurality of groups of rotatory roller 13, and a plurality of groups of rotatory roller 13 equidistant setting, one side fixed mounting of one-level rotation sieve 10 has mounting panel 18, the one end fixed mounting of rotatory roller 13 has gear 14, all the drive belt 15 has been cup jointed on a plurality of groups of gear 14, and a plurality of groups of gear 14 all are located one-level rotation sieve 10 and mounting panel 18 with drive belt 15 between, mounting panel 18's lateral wall fixed mounting has rotatory screening machine 16, the pivot 17 of rotatory screening machine 16 is located the inside of drive belt 15, and pivot 17 passes through drive belt 15 swing joint with a plurality of groups of gear 14, one-level rotation sieve 10 is the same with second grade rotation sieve 11 structure, the difference lies in that the interval of a plurality of groups of rotatory roller 13 is less than the interval of a plurality of groups of rotatory.
In the embodiment, compared with the prior art, the alligator type crushing bin is used for crushing, solid waste can be crushed firstly, then sorting is carried out, particles with different particle sizes can be conveniently screened out according to the volume sizes, and subsequent fine sorting is conveniently carried out.
The invention relates to a process for crushing and finely sorting waste lead storage batteries, which comprises the steps of disassembling the waste lead storage batteries, dividing the waste lead storage batteries into liquid waste and solid waste, placing the liquid waste into a sewage tank, and placing the solid waste into a solid treatment workshop; the sewage tank is made of marble materials and has the functions of acid resistance and seepage resistance; cleaning the outer surface of the solid waste, pouring the cleaned water into a sewage tank, and then pouring the water and the waste liquid in the sewage tank in the step one into an acid storage tank for neutralization treatment; after adding into the acid storage tank, adding a coagulant into the acid storage tank; collecting the waste liquid in an acid storage tank, diluting the waste liquid with water according to a ratio of 1:4, pumping the diluted waste liquid into a neutralization reaction tank in multiple batches, adding alkaline lead slag, and simultaneously carrying out mechanical stirring to ensure that acid and alkali are fully subjected to neutralization reaction, wherein the pH value is kept at 6-8.5 in the process; then feeding the solid waste cleaned in the step two into an alligator type crushing bin for crushing, crushing the solid waste into fragments with the maximum size not exceeding 50mm by a stainless steel pendulum bob to obtain crushed materials, sequentially flowing into a primary roller and a secondary roller for washing under the washing of vibration and water for primary screening, and collecting the incompletely separated crushed materials for later use; the different densities and particle differences between overflow water flow and materials are utilized to separately enrich the grid, the lead plaster, the plastic and the partition plate, so that preliminary separation is realized; filtering the lead plaster fluid formed by sorting by a vacuum continuous filter or a plate-frame filter press to form filter cake-shaped piles to be treated; finally, feeding the incompletely separated broken materials into a lead plaster separation sieve for screening, screening the lead plaster, then feeding the broken materials with the screened lead plaster into a grid separation sieve for screening, screening the grid, then feeding the broken materials with the screened grid into a waste pool, feeding a partition plate sinking to the bottom out, finally feeding the liquid material on the upper layer of the waste pool into a hydrodynamic separation sieve for separation, and separating plastic and plastic films, wherein the fine separation of the lead plaster, the grid, the partition plate and the plastic of the solid waste is finished at the moment; the lead plaster is subjected to pyrometallurgical smelting after desulfurization and conversion, metal can be directly smelted, the electrolyte is recycled after treatment, and the plastic shell can be directly recycled or recycled after simple treatment; the lead in the grid is reduced by a secondary lead treatment plant through a pyrogenic process, a wet process or a solid-phase electrolytic reduction smelting treatment, and other fluxes are required to be added besides a reducing agent in the treatment process: iron fillings, sodium carbonate, the lime stone, quartzy and fluorite, in addition, carry out the breakage through the broken storehouse of alligator type, can be earlier broken to solid waste, then select separately, be convenient for sieve out the granule of different granule sizes according to the volume size, be convenient for carry out subsequent meticulous sorting, it is comparatively practical to compare that traditional only carries out breakage, the different volume sizes are collected respectively in first classification case 7, second classification case 8 and third classification case 9, wherein granule volume is minimum in first classification case 7, granule volume is placed in the middle in second classification case 8, granule volume is the biggest in third classification case 9, and is comparatively practical.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A process for crushing and finely sorting waste lead storage batteries is characterized by comprising the following steps: the method comprises the following specific steps:
the method comprises the following steps: disassembling a lead storage battery: disassembling the waste lead storage battery, dividing the waste lead storage battery into liquid waste and solid waste, placing the liquid waste into a sewage tank, and placing the solid waste into a solid treatment workshop;
step two: cleaning solid waste: cleaning the outer surface of the solid waste, pouring the cleaned water into a sewage tank, and then pouring the water and the waste liquid in the sewage tank in the step one into an acid storage tank for neutralization treatment;
step three: crushing treatment and primary sorting: conveying the solid waste cleaned in the step two into an alligator type crushing bin for crushing, crushing the solid waste into fragments with the maximum size not exceeding 50mm by a stainless steel pendulum bob to obtain crushed materials, sequentially flowing into a primary roller and a secondary roller for washing under the actions of vibration and water for primary screening, and collecting the incompletely separated crushed materials for later use;
step four: fine sorting treatment: the method comprises the following steps of firstly, feeding the incompletely separated broken materials in the third step into a lead plaster separation sieve for screening, screening the lead plaster, then, feeding the broken materials with the screened lead plaster into a grid separation sieve for screening, screening the grid, feeding the broken materials with the screened grid into a waste pool, feeding a partition plate sinking to the bottom out, finally, feeding the liquid material on the upper layer of the waste pool into a hydrodynamic separation sieve for separation, and separating plastics and plastic films, wherein fine separation of the lead plaster, the grid, the partition plate and the plastics of the solid waste is completed at the moment.
2. The process of claim 1 for crushing and finely sorting waste lead-acid batteries, characterized in that: the sewage tank in the first step is made of marble materials and has the functions of acid resistance and leakage prevention.
3. The process of claim 1 for crushing and finely sorting waste lead-acid batteries, characterized in that: and in the second step, after the waste liquid is collected into an acid storage tank, diluting the waste liquid and water in a ratio of 1:4, pumping the diluted waste liquid and water into a neutralization reaction tank in multiple batches, adding alkaline lead slag, and simultaneously mechanically stirring to enable acid and alkali to be fully subjected to neutralization reaction, wherein the pH value is kept at 6-8.5 in the process.
4. The process of claim 1 for crushing and finely sorting waste lead-acid batteries, characterized in that: and in the second step, after the acid storage tank is added, the coagulant is added into the acid storage tank.
5. The process of claim 1 for crushing and finely sorting waste lead-acid batteries, characterized in that: filtering the diachylon fluid separated in the third step by a vacuum continuous filter or a plate-frame filter press to form filter cake-shaped piles to be treated.
6. The process of claim 1 for crushing and finely sorting waste lead-acid batteries, characterized in that: in the third step, the grid, the lead plaster, the plastic and the partition plate are separately enriched by utilizing different densities and particle differences between overflow water flow and materials, so that preliminary separation is realized.
7. The process of claim 1 for crushing and finely sorting waste lead-acid batteries, characterized in that: in the fourth step, the diachylon is subjected to pyrometallurgy after desulfurization and conversion, metal can be directly smelted, the electrolyte is recycled after treatment, and the plastic shell can be directly recycled or recycled after simple treatment.
8. The process of claim 1 for crushing and finely sorting waste lead-acid batteries, characterized in that: and the slab lattice in the fourth step is reduced from the lead regeneration treatment plant through the pyrometallurgical, wet process or solid-phase electrolytic reduction smelting treatment, and other fluxes are required to be added besides the reducing agent in the treatment process: scrap iron, sodium carbonate, limestone, quartz, and fluorite.
9. The process of claim 1 for crushing and finely sorting waste lead-acid batteries, characterized in that: in the third step, the crocodile type crushing bin comprises a base (1), a main body box (2) is fixedly mounted on one side of the upper end of the base (1), a crushing motor (3) is fixedly mounted on the other side of the upper end of the base (1), a belt pulley (4) is arranged at the upper end of the main body box (2), the belt pulley (4) is connected with the crushing motor (3) through a belt, a first crocodile plate (5) is fixedly mounted on one side of the inner wall of the main body box (2), a second crocodile plate (6) is arranged at the lower end of the belt pulley (4), the second crocodile plate (6) is arranged opposite to the first crocodile plate (5), a feeding hole is formed in the main body box (2) at the upper end between the second crocodile plate (6) and the first crocodile plate (5), a discharging hole is formed in the main body box (2) at the lower end between the second crocodile plate (6) and the first crocodile plate (, one end of the base (1) is fixedly provided with a first-stage rotating sieve plate (10), the first-stage rotating sieve plate (10) is located at the lower end of the discharge hole, one end of the first-stage rotating sieve plate (10) is connected with a second-stage rotating sieve plate (11) through a connecting belt, the lower end of the first-stage rotating sieve plate (10) is provided with a first grading box (7), the lower end of the second-stage rotating sieve plate (11) is provided with a second grading box (8), one side of the second grading box (8) is provided with a third grading box (9), the upper end of the side wall of the third grading box (9) is fixedly provided with a baffle plate (12), and the baffle plate (12) is located on one side above the second-stage rotating sieve plate;
the upper cross direction of the one-level rotating sieve plate (10) is provided with a plurality of groups of rotating rollers (13) in a penetrating manner, the plurality of groups of rotating rollers (13) are arranged at equal intervals, one side of the one-level rotating sieve plate (10) is fixedly provided with a mounting plate (18), one end of each rotating roller (13) is fixedly provided with a gear (14), the gears (14) are sleeved with a transmission belt (15) and are arranged between the one-level rotating sieve plate (10) and the mounting plate (18), the side wall of the mounting plate (18) is fixedly provided with a rotating sieving machine (16), a rotating shaft (17) of the rotating sieving machine (16) is arranged inside the one-level rotating sieve plate (10), the rotating shaft (17) is movably connected with the transmission belt (15), the one-level rotating sieve plate (10) is identical to the second-level rotating sieve plate (11), the difference lies in that the distance between a plurality of groups of rotating rollers (13) on the first-stage rotating sieve plate (10) is smaller than the distance between a plurality of groups of rotating rollers (13) on the second-stage rotating sieve plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921677.4A CN112264425A (en) | 2020-09-04 | 2020-09-04 | Crushing and fine sorting process of waste lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010921677.4A CN112264425A (en) | 2020-09-04 | 2020-09-04 | Crushing and fine sorting process of waste lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112264425A true CN112264425A (en) | 2021-01-26 |
Family
ID=74348916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010921677.4A Pending CN112264425A (en) | 2020-09-04 | 2020-09-04 | Crushing and fine sorting process of waste lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112264425A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916584A (en) * | 2021-01-27 | 2021-06-08 | 生态环境部华南环境科学研究所 | Comprehensive recovery device and method for waste lead-acid battery resources |
| CN115463832A (en) * | 2022-10-08 | 2022-12-13 | 浙江天能电源材料有限公司 | Battery broken material hydrodynamic force sorting system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205436262U (en) * | 2016-04-07 | 2016-08-10 | 山东省农业科学院农业质量标准与检测技术研究所 | Taro letter sorting frame |
| CN107623151A (en) * | 2017-08-31 | 2018-01-23 | 浙江浙矿重工股份有限公司 | A kind of lead-acid accumulator reclaiming technique |
| CN110695048A (en) * | 2019-09-25 | 2020-01-17 | 骆驼集团(安徽)再生资源有限公司 | Processing method for recycling waste lead storage batteries |
| CN111048863A (en) * | 2019-12-31 | 2020-04-21 | 浙江天能电源材料有限公司 | Waste storage battery recycling process |
| CN111346713A (en) * | 2020-03-25 | 2020-06-30 | 江苏鼎健环保科技有限公司 | Novel waste lead-acid battery resource regeneration and recovery process |
| CN211070210U (en) * | 2019-08-14 | 2020-07-24 | 广东慧达康制药有限公司 | A crocodile multistage breaker for chinese-medicinal material |
-
2020
- 2020-09-04 CN CN202010921677.4A patent/CN112264425A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205436262U (en) * | 2016-04-07 | 2016-08-10 | 山东省农业科学院农业质量标准与检测技术研究所 | Taro letter sorting frame |
| CN107623151A (en) * | 2017-08-31 | 2018-01-23 | 浙江浙矿重工股份有限公司 | A kind of lead-acid accumulator reclaiming technique |
| CN211070210U (en) * | 2019-08-14 | 2020-07-24 | 广东慧达康制药有限公司 | A crocodile multistage breaker for chinese-medicinal material |
| CN110695048A (en) * | 2019-09-25 | 2020-01-17 | 骆驼集团(安徽)再生资源有限公司 | Processing method for recycling waste lead storage batteries |
| CN111048863A (en) * | 2019-12-31 | 2020-04-21 | 浙江天能电源材料有限公司 | Waste storage battery recycling process |
| CN111346713A (en) * | 2020-03-25 | 2020-06-30 | 江苏鼎健环保科技有限公司 | Novel waste lead-acid battery resource regeneration and recovery process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916584A (en) * | 2021-01-27 | 2021-06-08 | 生态环境部华南环境科学研究所 | Comprehensive recovery device and method for waste lead-acid battery resources |
| CN115463832A (en) * | 2022-10-08 | 2022-12-13 | 浙江天能电源材料有限公司 | Battery broken material hydrodynamic force sorting system |
| CN115463832B (en) * | 2022-10-08 | 2023-09-05 | 浙江天能电源材料有限公司 | Battery crushed material hydrodynamic sorting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105846005B (en) | The broken apart disposable energy-saving reclaiming process of waste and old lead acid accumulator | |
| CN101979165B (en) | Waste lead-acid accumulator breaking separation machine and method | |
| CN101599563B (en) | Method for efficiently recovering active materials of positive poles in waste lithium batteries | |
| EP2312686B1 (en) | Method for implementing full cycle regeneration of waste lead acid battery | |
| CN101956214B (en) | Method for recycling secondary lead by electrolyzing alkaline leaded solution | |
| CN100559649C (en) | The method of waste and old lead acid accumulator preliminary treatment and component separation | |
| CN201848422U (en) | Crushing and sorting machine for waste lead acid batteries | |
| CN207170486U (en) | A kind of MSW Incineration Plant clinker recycling and regenerated aggregate are classified preparation system | |
| CN110724818B (en) | Full-wet recovery process of waste lithium battery | |
| CN209626369U (en) | A kind of waste lithium cell recyclable device | |
| CN112264425A (en) | Crushing and fine sorting process of waste lead storage battery | |
| WO2021036918A1 (en) | Waste battery crushing and sorting method for direct recycling of waste electrolyte | |
| JPH1177011A (en) | Recovery of valuables from waste battery | |
| WO2021036920A1 (en) | Multi-stage lead paste precipitation and sorting method for waste lead-acid storage battery | |
| CN110512078B (en) | Lead plaster smelting processing technology | |
| CN102208705B (en) | Waste and old colloidal storage battery material recovery treatment method | |
| CN113300018A (en) | Method for recovering waste lead storage battery | |
| CN105742745B (en) | Waste and old lead acid accumulator is crushed the energy saving cleaning of shell | |
| CN104466291A (en) | Process for treating waste lead acid storage battery | |
| CN114015892A (en) | Lead plate grid recycling method for disassembling waste batteries | |
| CN201613173U (en) | Iron removing device for granite ore powder | |
| CN207343439U (en) | A kind of MSW Incineration Plant clinker recycling valuable metal recovery system | |
| CN219965952U (en) | Lead recycling and crushing system | |
| CN216989138U (en) | Waste storage battery disassembling and separating system | |
| CN113078383A (en) | Full-automatic disassembling process flow of waste lead storage battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210126 |
|
| RJ01 | Rejection of invention patent application after publication |