CN116459769B - Acidolysis reaction device for preparing industrial grade lithium carbonate by recycling electrolytic waste residues - Google Patents
Acidolysis reaction device for preparing industrial grade lithium carbonate by recycling electrolytic waste residues Download PDFInfo
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- CN116459769B CN116459769B CN202310496915.5A CN202310496915A CN116459769B CN 116459769 B CN116459769 B CN 116459769B CN 202310496915 A CN202310496915 A CN 202310496915A CN 116459769 B CN116459769 B CN 116459769B
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- lithium carbonate
- shaft
- kettle body
- frame
- feeding
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- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 title claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 50
- 229910052808 lithium carbonate Inorganic materials 0.000 title claims abstract description 42
- 239000002699 waste material Substances 0.000 title claims abstract description 18
- 238000004064 recycling Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 29
- 239000013590 bulk material Substances 0.000 claims description 29
- 230000001680 brushing effect Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 10
- 238000005192 partition Methods 0.000 abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 2
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 9
- 239000000243 solution Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000002309 gasification Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005201 scrubbing Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- QXZUUHYBWMWJHK-UHFFFAOYSA-N [Co].[Ni] Chemical compound [Co].[Ni] QXZUUHYBWMWJHK-UHFFFAOYSA-N 0.000 description 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000010926 waste battery Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/08—Carbonates; Bicarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses an acidolysis reaction device for preparing industrial grade lithium carbonate by recycling electrolytic waste residues, belonging to the technical field of lithium carbonate acidolysis reaction devices; the invention is used for solving the technical problems that the charging pipe is blocked due to humidification and agglomeration of lithium carbonate powder in the charging pipe, and the reaction is insufficient due to centralized feeding influence of the agglomerated lithium carbonate, so that the deposition and accumulation of residual materials are generated; the invention comprises a kettle body, wherein the top of the kettle body is clamped and provided with a kettle cover, and the center of the top of the kettle cover is fixedly provided with a servo motor; the continuous partition type feeding structure can be formed, so that the back-flowing of mixed hot gas in the kettle body during feeding is avoided, the continuous partition type feeding structure is also used for quantitatively feeding, the fed lithium carbonate powder is subjected to air flow pushing type bulk cargo, the mixed hot gas in the kettle body is placed for back-flowing, the mixed hot gas is subjected to water-vapor separation, the waste of partial reaction components in the mixed hot gas is reduced, the inner wall of the kettle body is subjected to rotary up-and-down reciprocating cleaning, and reaction residues on the inner wall of the device are removed.
Description
Technical Field
The invention relates to the technical field of lithium carbonate acidolysis reaction devices, in particular to an acidolysis reaction device for preparing industrial grade lithium carbonate by recycling electrolytic waste residues.
Background
The lithium battery industry uses high-purity battery grade lithium carbonate, and other industries use industrial grade lithium carbonate but use little amount, so that most of industrial grade lithium carbonate or crude lithium carbonate is purified into battery grade lithium carbonate; with the continuous rising of the yield and the conservation quantity of new energy automobiles in China, lithium ion batteries are widely applied, however, the service lives of the lithium ion batteries are limited, the wide application inevitably leads to a large number of scrapped batteries, the scrapped batteries mainly take nickel-cobalt-manganese ternary batteries as main materials, the recovery work of the ternary waste batteries is mainly aimed at the recovery of metal nickel-cobalt at present, and crude lithium phosphate formed by a large amount of lithium elements contained in ternary positive electrode materials is wasted greatly because of insufficient and effective recovery;
when the lithium carbonate recovered in the prior art is further subjected to acidolysis processing reaction treatment, the lithium carbonate is influenced by mixed hot gas generated by acidolysis heating reaction of the lithium carbonate, so that hot gas is easy to generate during subsequent continuous feeding of lithium carbonate powder, the lithium carbonate powder in a feeding pipe is humidified and agglomerated, the feeding pipe is blocked, the concentrated feeding influence of the agglomerated lithium carbonate causes insufficient reaction, and residual materials are deposited and accumulated; a large amount of mixed hot gas is generated in the existing lithium carbonate acidolysis heating reaction process, the air pressure environment in the reaction device is influenced, and partial water gasification substances are wasted due to direct discharge; after the existing lithium carbonate acidolysis heating stirring reaction, more residues exist on the inner wall of a reaction device, so that the subsequent reaction use is affected;
in view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to provide an acidolysis reaction device for preparing industrial grade lithium carbonate by recycling electrolytic waste residues, which is used for solving the problems that mixed hot gas generated by acidolysis heating reaction of lithium carbonate is influenced, so that hot gas is easy to generate during subsequent continuous feeding of lithium carbonate powder, the lithium carbonate powder in a feeding pipe is humidified and agglomerated, the feeding pipe is blocked, the reaction is insufficient due to concentrated feeding influence of the agglomerated lithium carbonate, and residual materials are deposited and accumulated; a large amount of mixed hot gas is generated in the existing lithium carbonate acidolysis heating reaction process, the air pressure environment in the reaction device is influenced, and partial water gasification substances are wasted due to direct discharge; after the existing lithium carbonate acidolysis heating stirring reaction, more residues exist on the inner wall of the reaction device, so that the subsequent reaction use is affected.
The aim of the invention can be achieved by the following technical scheme: an acidolysis reaction device for preparing industrial lithium carbonate by recycling electrolytic waste residues comprises a kettle body, wherein a kettle cover is arranged at the top of the kettle body in a clamping manner, a servo motor is fixedly arranged at the center of the top of the kettle cover, a feeding frame is arranged on one side of the top of the kettle cover in an embedded manner, a turntable is connected in the feeding frame in a rotating manner, a bulk cargo plate extending into an inner cavity of the kettle body is connected in a rotating manner at the bottom of the feeding frame, and an exhaust fan is embedded at the side edge of the bottom of the feeding frame;
an exhaust hood is fixedly arranged on the other side of the top of the kettle cover, a vibrating frame is slidably arranged in the exhaust hood, and an external valve is arranged at the top of the exhaust hood in a penetrating manner;
the lifting frames are symmetrically and vertically arranged at two ends of the top of the kettle cover, a driving motor is connected inside the lifting frames in a sliding mode, a transmission block extending into the inner cavity of the kettle body is arranged at the bottom of the driving motor, and brushing rings are connected to the side edges of the transmission block in a sliding clamping mode.
Preferably, one side of the top of the kettle cover is provided with a water injection port and a liquid injection port which are close to the feeding frame, the inner wall of the kettle cover is provided with a notch which is close to the exhaust hood, the output end of the servo motor is provided with a stirring shaft which penetrates and extends to the inside of the kettle body, the top of the stirring shaft is sleeved with an upper toothed ring, and the bottom of the upper toothed ring is sleeved with a lower toothed ring.
Preferably, the feeder hopper is installed to servo motor one side of keeping away from to the feeding frame top, carousel top annular array has multiunit silo, and silo top and feeder hopper swing joint, the carousel bottom articulates there is flip, and flip top is equipped with anti-corrosion seal cushion, the feeding frame bottom is close to servo motor one side and runs through the drain that has offered with the silo adaptation, the drain bottom is close to air exhauster one side and is equipped with the water jet that is connected with the water injection port, the side spout is installed to water jet one side is kept away from to the drain.
Preferably, the center of the top of the feeding frame is penetrated and installed with a penetrating shaft, the top of the feeding frame is provided with a gear reduction shaft rod meshed with the penetrating shaft and the lower toothed ring, the bottom of the penetrating shaft is meshed with an eccentric shaft rod close to a bulk cargo plate, the top of the bulk cargo plate is movably connected with the eccentric shaft rod, a torsion spring connected with the bottom of the feeding frame is arranged on the plate body at the top of the bulk cargo plate, and the bottom surface of the bulk cargo plate is provided with a bulk cargo nozzle facing the exhaust fan.
Preferably, the air guide plate of multiunit orientation cauldron body inner chamber is equipped with to air exhauster one side that is close to the (mixing) shaft, and the air guide plate surface is equipped with triangle-shaped lug, the air exhauster bottom is equipped with the straight spout that is close to the water jet, and straight spout orientation bulk cargo spout, the air exhauster bottom is equipped with the multiunit air duct of embedding in feeding frame bottom, and the air duct is connected with straight spout, side spout and bulk cargo spout respectively.
Preferably, a plurality of groups of metal sheets are arranged in an array manner in the vibration frame, the metal sheets face to the inner cavity of the kettle body, an eccentric transmission shaft is arranged in the center of the bottom of the vibration frame, and a gear accelerating shaft rod meshed with the eccentric transmission shaft and the upper toothed ring is arranged outside the exhaust hood.
Preferably, the top of the driving motor is provided with a sliding block which is in sliding connection with the inner wall of the lifting frame, the output end of the driving motor is provided with a hollow shaft which is in transmission sleeve joint with the transmission block, and the top of the hollow shaft is sleeved with a water pipe sliding sleeve which is close to the driving motor.
Preferably, the inside straight tooth that cup joints with the hollow shaft that is equipped with of drive block, be equipped with on the scrubbing ring inner wall with straight tooth engaged annular tooth spare, drive block is close to scrubbing ring one side top fixed mounting has the spray ring, the spray ring is inside to run through the drive block and with the connecting axle of hollow shaft bottom slip cup joint.
The invention has the beneficial effects that:
(1) The continuous partition type feeding structure is formed by using the rotary table to assist the feeding hopper and the leakage port, so that the mixed hot gas in the kettle body is prevented from flowing backwards during feeding, and the continuous partition type feeding structure is also used for quantitative feeding; through the joint and matched use of the reduction gear shaft lever, the penetrating shaft and the eccentric shaft lever, the rotary table is driven to rotate along with the stirring shaft to take materials and feed, and the bulk cargo plate is driven to vibrate, beat and scatter the concentrated feeding lithium carbonate powder; the exhaust fan and the water jet are matched with the feeding frame for use, so that redundant hot air in the kettle body can be extracted to assist the airflow of the bulk material plate to push bulk materials, an airflow wall is formed on one side of the bulk material plate, which is close to the inner cavity of the kettle body, mixed hot air is combined to flow backwards, and liquid can be utilized to wash the bulk material plate, so that the adhesion of lithium carbonate powder is avoided;
(2) The mixed hot gas with excessive heat in the kettle body is guided to enter the gas collecting hood through the notch on the inner wall of the kettle cover, the vibration frame is used for driving the metal sheet to contact the collected mixed hot gas, water-gas separation of the mixed hot gas is promoted, the solution collected into drops are dropped into the kettle body, the excessive gas is concentrated and discharged along the exhaust valve, and the waste of partial reaction components in the mixed hot gas is reduced;
(3) The driving block and the brushing ring are driven to reciprocate up and down synchronously by the lifting frame auxiliary driving motor, the brushing ring is driven by the hollow shaft, the straight teeth and the annular teeth to carry out rotary up-down reciprocating cleaning on the inner wall of the kettle body, the cleaning liquid is guided by the hollow shaft auxiliary water spraying ring to spray the inner wall of the kettle body, the brushing ring is helped to clean the inner wall of the kettle body in an accelerating way, and reaction residues on the inner wall of the device are removed.
Drawings
The invention is further described below with reference to the accompanying drawings;
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the feed rack of the present invention;
FIG. 3 is a schematic side sectional view of a feed rack of the present invention;
FIG. 4 is a schematic view of the feed rack of the present invention in a side cross-sectional configuration;
FIG. 5 is a schematic diagram of the structure of the kettle cover and the gas collecting hood of the invention;
FIG. 6 is a schematic view of the internal structure of the gas-collecting hood of the present invention;
FIG. 7 is a schematic view of the structure of the lifting frame of the present invention;
FIG. 8 is a schematic view of the connection structure of the driving block and the brush ring of the present invention;
FIG. 9 is a schematic top view of a brush ring of the present invention;
fig. 10 is an enlarged view of area a of fig. 9 in accordance with the present invention.
Legend description: 1. a kettle body; 2. a kettle cover; 3. a lifting frame; 301. a slide block; 302. a driving motor; 303. a water pipe sliding sleeve; 304. a hollow shaft; 305. a transmission block; 306. a spray ring; 307. a brushing ring; 308. straight teeth; 309. an annular tooth member; 310. a connecting shaft; 4. an exhaust hood; 401. a gear accelerating shaft lever; 402. a vibration frame; 403. a metal sheet; 404. an eccentric transmission shaft; 405. an external valve; 5. a servo motor; 501. a stirring shaft; 502. an upper toothed ring; 503. a lower toothed ring; 6. a feeding frame; 601. a feed hopper; 602. a turntable; 603. a trough; 604. a through shaft; 605. a leak; 606. a flip cover; 607. an eccentric shaft lever; 608. a bulk material plate; 609. a side spout; 610. bulk material spouts; 611. a water jet; 612. a gear reduction shaft; 7. an exhaust fan; 701. an air guide sheet; 702. an air duct; 703. straight spout.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
the embodiment is used for solving the problems that mixed hot gas generated by lithium carbonate acidolysis heating reaction affects, so that hot gas is easy to generate during subsequent continuous feeding of lithium carbonate powder, the lithium carbonate powder in a feeding pipe is humidified and agglomerated, the feeding pipe is blocked, the agglomerated lithium carbonate is concentrated to feed and affects, the reaction is insufficient, and residual material precipitation and accumulation are generated.
Referring to fig. 1-4, the embodiment is an acidolysis reaction device for preparing industrial lithium carbonate by recycling electrolytic waste residues, which comprises a kettle body 1, wherein a kettle cover 2 is mounted on the top of the kettle body 1 in a clamping manner, a servo motor 5 is fixedly mounted in the center of the top of the kettle cover 2, a feeding frame 6 is embedded in one side of the top of the kettle cover 2, a rotary table 602 is rotatably connected inside the feeding frame 6, and the rotary table 602 is used for assisting a feed hopper 601 and a leakage port 605 to form a continuous partition type feeding structure; the bottom of the feeding frame 6 is rotationally connected with a bulk material plate 608 extending into the inner cavity of the kettle body 1, an exhaust fan 7 is embedded on the side edge of the bottom of the feeding frame 6, the exhaust fan 7 and a water jet 611 are matched with the feeding frame 6 for use, and the residual hot gas in the kettle body 1 is extracted to assist the bulk material plate 608 to push the bulk material in an airflow manner.
One side of the top of the kettle cover 2 is provided with a water filling port and a liquid filling port which are close to the feeding frame 6, the inner wall of the kettle cover 2 is provided with a notch which is close to the exhaust hood 4, the output end of the servo motor 5 is provided with a stirring shaft 501 which extends to the inside of the kettle body 1 in a penetrating way, the top of the stirring shaft 501 is sleeved with an upper toothed ring 502, and the bottom of the upper toothed ring 502 is sleeved with a lower toothed ring 503.
The feeder hopper 601 is erect and is installed to servo motor 5 one side of keeping away from in feeding frame 6 top, carousel 602 top ring array has multiunit silo 603, and silo 603 top and feeder hopper 601 swing joint, carousel 602 bottom articulates there is flip 606, and flip 606 top is equipped with anti-corrosion seal cushion, feeding frame 6 bottom is close to servo motor 5 one side and runs through offered the drain 605 with silo 603 adaptation, drain 605 bottom is close to air exhauster 7 one side and is equipped with the water jet 611 of being connected with the water injection, drain 605 is kept away from water jet 611 one side and is installed side spout 609.
The center of the top of the feeding frame 6 is provided with a penetrating shaft 604 in a penetrating mode, the top of the feeding frame 6 is provided with a gear reduction shaft lever 612 meshed with the penetrating shaft 604 and the lower toothed ring 503, the bottom of the penetrating shaft 604 is meshed with an eccentric shaft lever 607 close to a bulk cargo plate 608, the top of the bulk cargo plate 608 is movably connected with the eccentric shaft lever 607, a torsion spring connected with the bottom of the feeding frame 6 is arranged on the top plate body of the bulk cargo plate 608, and the bottom surface of the bulk cargo plate 608 is provided with a bulk cargo nozzle 610 facing the exhaust fan 7.
A plurality of groups of air guide plates 701 facing the inner cavity of the kettle body 1 are arranged on one side of the exhaust fan 7, which is close to the stirring shaft 501, triangular protruding blocks are arranged on the surface of the air guide plates 701, a straight spout 703 close to a water jet 611 is arranged at the bottom of the exhaust fan 7, the straight spout 703 faces to a bulk material spout 610, and liquid is used for flushing the bulk material plate 608 to avoid adhesion of lithium carbonate powder; the bottom of the exhaust fan 7 is provided with a plurality of groups of air guide pipes 702 embedded in the bottom of the feeding frame 6, and the air guide pipes 702 are respectively connected with a straight nozzle 703, a side nozzle 609 and a bulk material nozzle 610.
The rotary table 602 is used for assisting the feed hopper 601 and the leakage port 605 to form a continuous partition type feeding structure, so that the mixed hot gas inside the kettle body 1 is prevented from flowing backwards during feeding, and the continuous partition type feeding structure is also used for quantitative feeding; through the joint and matched use of the reduction gear shaft lever, the through shaft 604 and the eccentric shaft 607, the turntable 602 is driven to rotate along with the stirring shaft 501 to take materials and feed, and the bulk material plate 608 is driven to vibrate, beat and scatter the concentrated feeding lithium carbonate powder; through exhaust fan 7 and water jet 611 cooperation feeding frame 6 use, can extract the supplementary bulk cargo of unnecessary steam air current promotion formula bulk cargo of bulk cargo board 608 in the cauldron body 1 to constitute the air current wall in bulk cargo board 608 one side near cauldron body 1 inner chamber, the combination mixes the steam and flows backward, can utilize liquid to wash bulk cargo board 608 again, avoids the adhesion of lithium carbonate powder.
Embodiment two:
the embodiment is used for solving the problems that a large amount of mixed hot gas is generated in the existing lithium carbonate acidolysis heating reaction process, the air pressure environment in a reaction device is influenced, and partial water gasification substances are wasted due to direct discharge.
Referring to fig. 1, 5 and 6, the acidolysis reaction device for recovering and preparing industrial lithium carbonate from electrolytic waste residues in this embodiment includes an exhaust hood 4 fixedly mounted on the other side of the top of a kettle cover 2, a vibration frame 402 slidably mounted in the exhaust hood 4, and a metal sheet 403 driven by the vibration frame 402 to contact the collected mixed hot gas to promote water-gas separation in the mixed hot gas; an external valve 405 is installed on the top of the exhaust hood 4.
A plurality of groups of metal sheets 403 are arranged in an array manner in the vibration frame 402, the metal sheets 403 face to the inner cavity of the kettle body 1, an eccentric transmission shaft 404 is arranged in the center of the bottom of the vibration frame 402, and a gear accelerating shaft 401 meshed with the eccentric transmission shaft 404 and the upper toothed ring 502 is arranged outside the exhaust hood 4.
The notch through the inner wall of the kettle cover 2 guides the mixed hot gas of the residual heat in the kettle body 1 to enter the gas collecting hood, the vibration frame 402 is utilized to drive the metal sheet 403 to contact the collected mixed hot gas, the water-gas separation in the mixed hot gas is promoted, the solution collected into drops into the kettle body 1, the residual gas is discharged outwards along the exhaust valve in a concentrated manner, and the waste of partial reaction components in the mixed hot gas is reduced.
Embodiment III:
the embodiment is used for solving the problem that after the existing lithium carbonate acidolysis heating stirring reaction, more residues exist on the inner wall of a reaction device to influence the subsequent reaction.
Referring to fig. 1, 7, 8, 9 and 10, the acidolysis reaction device for preparing industrial lithium carbonate by recycling electrolytic waste residues in this embodiment includes a lifting frame 3 symmetrically installed at two ends of the top of a kettle cover 2, a driving motor 302 slidingly connected inside the lifting frame 3, a transmission block 305 extending into the inner cavity of the kettle body 1 arranged at the bottom of the driving motor 302, and a brushing ring 307 slidingly clamped at the side edge of the transmission block 305.
The top of the driving motor 302 is provided with a sliding block 301 which is in sliding connection with the inner wall of the lifting frame 3, the output end of the driving motor 302 is provided with a hollow shaft 304 which is in transmission sleeve connection with a transmission block 305, the top of the hollow shaft 304 is sleeved with a water pipe sliding sleeve 303 which is close to the driving motor 302, and the inner wall of the kettle body 1 is driven to be cleaned in a rotary up-and-down reciprocating manner by utilizing the hollow shaft 304, straight teeth 308 and annular teeth 309 to drive a brushing ring 307.
The inside of the transmission block 305 is provided with straight teeth 308 sleeved with the hollow shaft 304, the inner wall of the brushing ring 307 is provided with annular teeth 309 meshed with the straight teeth 308, the top of one side of the transmission block 305 close to the brushing ring 307 is fixedly provided with a water spraying ring 306, the hollow shaft 304 is used for assisting the water spraying ring 306 to guide cleaning liquid to spray the inner wall of the kettle body 1, the brushing ring 307 is helped to accelerate cleaning of the inner wall of the kettle body 1, and reaction residues on the inner wall of the device are removed; the inner part of the spray ring 306 penetrates through the transmission block 305 and is in sliding sleeve connection with the connecting shaft 310 at the bottom of the hollow shaft 304.
By combining the first embodiment, the second embodiment and the third embodiment, the continuous partition type feeding structure can be formed, so that the back-flowing of mixed hot gas in the kettle body 1 during feeding is avoided, the quantitative feeding is also used, the fed lithium carbonate powder is subjected to air flow pushing type bulk cargo, the back-flowing of the mixed hot gas in the kettle body is placed, the water vapor separation is carried out on the mixed hot gas, the waste of partial reaction components in the mixed hot gas is reduced, the inner wall of the kettle body is subjected to rotary up-and-down reciprocating cleaning, and the reaction residues on the inner wall of the device are removed.
As shown in fig. 1 to 10, the working method of the acidolysis reaction device for preparing the industrial grade lithium carbonate by recycling the electrolytic waste residues comprises the following steps:
step one: when the lithium carbonate and solution acidolysis reaction process in the kettle body 1, part of mixed hot gas produced by reaction after the lithium carbonate is heated, inflated and stirred by the kettle body 1 rises and is converged into the exhaust hood 4 along the notch in the kettle cover 2, the eccentric transmission shaft is meshed with the upper toothed ring 502 through the gear accelerating shaft rod 401, the vibration frame 402 is driven by the servo motor 5 to vibrate up and down along the exhaust hood 4, the metal sheet 403 synchronously vibrates along with the vibration frame 402, the mixed hot gas contacts the metal sheet 403, part of water vapor in the hot gas is adhered to the metal sheet 403 and falls into the kettle body 1 along with the vibration of the metal sheet 403, the mixed hot gas passing through the metal sheet 403 is intensively discharged along the external valve 405 to form mixed hot gas concentrated drainage, separated water vapor and redundant hot gas are discharged outwards, and the waste of local components along with the mixed hot gas is reduced in the acidolysis process of the lithium carbonate is discharged outwards;
step two: when lithium carbonate and solution are needed to be further added in the acidolysis reaction process, lithium carbonate powder is poured into the feed hopper 601 along the direction of pouring, the penetrating shaft 604 is meshed with the lower toothed ring 503 through the gear reduction shaft lever 612, the rotary table 602 is driven to rotate by the servo motor 5, when the feed hopper 603 rotates to the lower part of the feed hopper 601, part of lithium carbonate powder in the feed hopper 601 quantitatively drops into the feed hopper 603, the feed hopper 603 filled with lithium carbonate rotates to the position above the drain hole 605 along with the rotary table 602, the turning plate is respectively weighted and dead weight of the lithium carbonate, the lithium carbonate powder in the drain hole is turned over the unsupported drain hole 605, the lithium carbonate powder in the drain hole drops onto the bulk material plate 608 along the drain hole 605, the eccentric shaft lever 607 is meshed with the bottom of the penetrating shaft 604, the bulk material plate 608 is driven by the eccentric bearing and is pushed back and forth by the torsion spring to continuously vibrate, the lithium carbonate powder on the bulk material plate 608 is dispersed by vibration, meanwhile the exhaust fan 7 extracts the distribution mixture along the notch flow guide, the mixed hot air contacts through the air guide plate 701, part of water vapor adheres to the air guide plate 701 and slides into the kettle body 1 along the air guide plate 701, the hot air is compressed and pushed into the air guide pipe 702 by the exhaust fan 7, the air guide pipe 702 respectively conveys the hot air into the straight nozzle 703, the side nozzle 609 and the bulk material nozzle 610, the air jet of the straight nozzle 703 forms an air wall outside the bulk material nozzle 610 to prevent the mixed hot air in the kettle body 1 from entering the upper part of the bulk material plate 608, the air jet of the bulk material nozzle 610 promotes the lithium carbonate powder at the bottom of the bulk material plate 608 to be further dispersed, the air jet of the side nozzle 609 simultaneously blows the air jet to the bulk material plate 608 to push the lithium carbonate powder which flies on the bulk material plate 608 and above the bulk material plate 608 to be fully dispersed into the kettle body 1 and to float into the reacting solution along the inner cavity of the kettle body 1, the external water injection port regularly guides part of the solution to enter the water injection port 611, washing and cleaning the lithium carbonate powder remained on the bulk material plate 608;
step three: after acidolysis reaction of lithium carbonate is completed, the driving motor 302 is started, the sliding block 301 drives the driving motor 302 to slide downwards along the shaft of the lifting frame 3 to be close to the kettle cover 2, the hollow shaft 304 slides downwards along with the driving motor 302 and drives the transmission block 305 to slide downwards, so that the brushing ring 307 slides downwards along the top of the kettle body 1, the hollow shaft 304 is meshed with the toothed ring through the straight teeth 308, the toothed ring drives the brushing ring 307 to rotate along the outer side of the symmetrical transmission block 305, the brushing ring 307 rotates and slides downwards smoothly, the inner wall of the kettle body 1 is brushed rotationally, meanwhile, the water pipe sliding sleeve 303 guides external cleaning liquid to be injected into the water spraying ring 306 along the hollow shaft 304 and the connecting shaft 310, and the water spraying ring 306 guides the cleaning liquid to be sprayed onto the inner wall of the kettle body 1, so that the inner wall of the kettle body 1 is beneficial to cleaning.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. The utility model provides an electrolytic waste residue retrieves acidolysis reaction unit for preparation industrial grade lithium carbonate, includes the cauldron body (1), its characterized in that, cauldron lid (2) are installed to cauldron body (1) top joint, servo motor (5) are installed to cauldron lid (2) top center fixed mounting, feed frame (6) are installed to embedded in cauldron lid (2) top one side, feed frame (6) inside rotation is connected with carousel (602), feed frame (6) bottom rotation is connected with and is equipped with bulk cargo board (608) that extend to in the inner chamber of cauldron body (1), feed frame (6) bottom side inlays and is equipped with air exhauster (7);
an exhaust hood (4) is fixedly arranged on the other side of the top of the kettle cover (2), a vibrating frame (402) is slidably arranged in the exhaust hood (4), and an external valve (405) is arranged at the top of the exhaust hood (4) in a penetrating manner;
lifting frames (3) are symmetrically and vertically arranged at two ends of the top of the kettle cover (2), a driving motor (302) is connected inside the lifting frames (3) in a sliding mode, a transmission block (305) extending into the inner cavity of the kettle body (1) is arranged at the bottom of the driving motor (302), and brushing rings (307) are connected to the side edges of the transmission block (305) in a sliding clamping mode;
a water filling port and a liquid filling port which are close to a feeding frame (6) are formed in one side of the top of the kettle cover (2), a notch which is close to an exhaust hood (4) is formed in the inner wall of the kettle cover (2), a stirring shaft (501) which penetrates through and extends to the inside of the kettle body (1) is arranged at the output end of the servo motor (5), an upper toothed ring (502) is sleeved at the top of the stirring shaft (501), and a lower toothed ring (503) is sleeved at the bottom of the upper toothed ring (502);
a feed hopper (601) is erected and installed on one side, far away from the servo motor (5), of the top of the feeding frame (6), a plurality of groups of feed tanks (603) are arranged on the annular array of the top of the rotary table (602), the top of the feed tanks (603) is movably connected with the feed hopper (601), a flip cover (606) is hinged to the bottom of the rotary table (602), an anti-corrosion sealing rubber pad is arranged on the top of the flip cover (606), a leak (605) matched with the feed tanks (603) is formed in the bottom of the feeding frame (6) in a penetrating mode, a water jet (611) connected with the water jet is arranged on one side, close to the exhaust fan (7), of the bottom of the leak (605), and a side spout (609) is installed on one side, far away from the water jet (611);
the center of the top of the feeding frame (6) is provided with a through shaft (604) in a penetrating manner, the top of the feeding frame (6) is provided with a gear reduction shaft lever (612) meshed with the through shaft (604) and the lower toothed ring (503), the bottom of the through shaft (604) is meshed with an eccentric shaft lever (607) close to a bulk material plate (608), the top of the bulk material plate (608) is movably connected with the eccentric shaft lever (607), the top plate body of the bulk material plate (608) is provided with a torsion spring connected with the bottom of the feeding frame (6), and the bottom surface of the bulk material plate (608) is provided with a bulk material nozzle (610) facing an exhaust fan (7);
a plurality of groups of air guide plates (701) facing the inner cavity of the kettle body (1) are arranged on one side, close to the stirring shaft (501), of the exhaust fan (7), triangular protruding blocks are arranged on the surface of the air guide plates (701), straight nozzles (703) close to water spray ports (611) are arranged at the bottom of the exhaust fan (7), the straight nozzles (703) face bulk cargo nozzles (610), a plurality of groups of air guide pipes (702) embedded in the bottom of the feeding frame (6) are arranged at the bottom of the exhaust fan (7), and the air guide pipes (702) are respectively connected with the straight nozzles (703), the side nozzles (609) and the bulk cargo nozzles (610);
the inside array of vibration frame (402) has arranged multiunit sheetmetal (403), and sheetmetal (403) are towards cauldron body (1) inner chamber, eccentric transmission shaft (404) are installed at vibration frame (402) bottom center, exhaust hood (4) outside be equipped with eccentric transmission shaft (404) and go up gear accelerating shaft (401) of ring gear (502) meshing.
2. The acidolysis reaction device for preparing industrial lithium carbonate by recycling electrolytic waste residues according to claim 1, wherein a sliding block (301) which is in sliding connection with the inner wall of a lifting frame (3) is arranged at the top of the driving motor (302), a hollow shaft (304) which is in transmission sleeve connection with a transmission block (305) is arranged at the output end of the driving motor (302), and a water pipe sliding sleeve (303) which is close to the driving motor (302) is sleeved at the top of the hollow shaft (304).
3. The acidolysis reaction device for preparing industrial lithium carbonate by recycling electrolytic waste residues according to claim 2, wherein straight teeth (308) sleeved with a hollow shaft (304) are arranged in the transmission block (305), annular tooth pieces (309) meshed with the straight teeth (308) are arranged on the inner wall of the brushing ring (307), a water spraying ring (306) is fixedly arranged at the top of one side of the transmission block (305) close to the brushing ring (307), and a connecting shaft (310) penetrating through the transmission block (305) and sleeved with the bottom of the hollow shaft (304) in a sliding manner is arranged in the water spraying ring (306).
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| CN202310496915.5A CN116459769B (en) | 2023-05-05 | 2023-05-05 | Acidolysis reaction device for preparing industrial grade lithium carbonate by recycling electrolytic waste residues |
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| US4177941A (en) * | 1977-11-02 | 1979-12-11 | International Research And Development Corporation | Metering device |
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| CN213134429U (en) * | 2020-07-27 | 2021-05-07 | 上海斯瑞文特种油品科技有限公司 | Air draft device for reaction kettle |
| CN213193686U (en) * | 2020-08-26 | 2021-05-14 | 青海中信国安锂业发展有限公司 | Reaction kettle capable of effectively avoiding blockage |
| CN218290762U (en) * | 2022-09-30 | 2023-01-13 | 河南双龙建材有限公司 | Cement manufacture desulfurization atomizing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4177941A (en) * | 1977-11-02 | 1979-12-11 | International Research And Development Corporation | Metering device |
| CN206355712U (en) * | 2017-01-05 | 2017-07-28 | 于磊 | A kind of gas-liquid-solid separator for gas-lift reverses circulation |
| CN213134429U (en) * | 2020-07-27 | 2021-05-07 | 上海斯瑞文特种油品科技有限公司 | Air draft device for reaction kettle |
| CN213193686U (en) * | 2020-08-26 | 2021-05-14 | 青海中信国安锂业发展有限公司 | Reaction kettle capable of effectively avoiding blockage |
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