CN113332932A - Recovery unit of lithium iron phosphate cathode material - Google Patents

Recovery unit of lithium iron phosphate cathode material Download PDF

Info

Publication number
CN113332932A
CN113332932A CN202110580589.7A CN202110580589A CN113332932A CN 113332932 A CN113332932 A CN 113332932A CN 202110580589 A CN202110580589 A CN 202110580589A CN 113332932 A CN113332932 A CN 113332932A
Authority
CN
China
Prior art keywords
iron phosphate
lithium iron
liquid medicine
shell
cylindrical
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.)
Granted
Application number
CN202110580589.7A
Other languages
Chinese (zh)
Other versions
CN113332932B (en
Inventor
武洪彬
梁德钱
张方奇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yingde Wanqu New Energy Technology Co ltd
Original Assignee
Yingde Wanqu New Energy Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yingde Wanqu New Energy Technology Co ltd filed Critical Yingde Wanqu New Energy Technology Co ltd
Priority to CN202110580589.7A priority Critical patent/CN113332932B/en
Priority claimed from CN202110580589.7A external-priority patent/CN113332932B/en
Publication of CN113332932A publication Critical patent/CN113332932A/en
Application granted granted Critical
Publication of CN113332932B publication Critical patent/CN113332932B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • B01J6/00—Heat treatments such as Calcining; Fusing ; Pyrolysis
    • B01J6/001—Calcining
    • B01J6/002—Calcining using rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77—Liquid phase processes
    • B01D53/78—Liquid phase processes with gas-liquid contact
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/26—Phosphates
    • C01B25/45—Phosphates containing plural metal, or metal and ammonium
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/306—Alkali metal compounds of potassium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/604—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • 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

Abstract

The invention belongs to the technical field of recovery of lithium iron phosphate anode materials, and discloses a recovery device of a lithium iron phosphate anode material, which comprises a base, a calcining furnace, a driving mechanism, a control mechanism and a purification mechanism, wherein the calcining furnace is arranged on the base; the calcining furnace is used for sintering waste lithium iron phosphate positive pole pieces; the driving mechanism is used for driving the calcining furnace to work; the control mechanism is used for controlling the operation of the calcining furnace, the driving mechanism and the purifying mechanism. The recovery device for the lithium iron phosphate anode material, provided by the invention, can prevent the recovered lithium iron phosphate anode material from being oxidized, can ensure the quality of the recovered lithium iron phosphate anode material, can improve the calcination effect, and can effectively improve the material separation speed of the surface of the waste lithium iron phosphate anode piece, so that the recovery efficiency of the lithium iron phosphate anode material is improved, the intelligent degree is higher, the operation is more convenient, the self-purification function is realized, the environment pollution caused by waste gas generated in the working process can be prevented, and the environmental protection value is better.

Description

Recovery unit of lithium iron phosphate cathode material
Technical Field
The invention relates to the technical field of recovery of lithium iron phosphate anode materials, in particular to a recovery device of a lithium iron phosphate anode material.
Background
Lithium iron phosphate is an electrode material of a lithium ion battery, has a chemical formula of LiFePO4, and is mainly used for various lithium ion batteries. The lithium iron phosphate battery is a lithium ion battery using lithium iron phosphate (LiFePO 4) as a positive electrode material and carbon as a negative electrode material, and has the advantages of high working voltage, high energy density, long cycle life, good safety performance, small self-discharge rate and no memory effect.
Therefore, it is necessary to recover the waste lithium iron phosphate positive pole piece, but in the current recovery device for the lithium iron phosphate positive pole material, the recovered lithium iron phosphate positive pole material is easily oxidized in the recovery process, and the quality of the recovered lithium iron phosphate positive pole material is difficult to ensure; secondly, the existing recovery device for the lithium iron phosphate positive electrode material has a poor calcination effect, so that the material separation speed of the surface of the waste lithium iron phosphate positive electrode piece is low, and the recovery efficiency of the lithium iron phosphate positive electrode material is influenced; in addition, the existing recovery device for the lithium iron phosphate anode material has low intelligent degree and is inconvenient to operate; in addition, the recovery unit of present lithium iron phosphate cathode material does not have purification performance, and the waste gas that its produced in the course of the work can the polluted environment, leads to the feature of environmental protection relatively poor.
Disclosure of Invention
The invention aims to provide a recovery device for a lithium iron phosphate positive electrode material, which can prevent the recovered lithium iron phosphate positive electrode material from being oxidized, can ensure the quality of the recovered lithium iron phosphate positive electrode material, can improve the calcination effect, and can effectively improve the material separation speed on the surface of a waste lithium iron phosphate positive electrode plate, thereby improving the recovery efficiency of the lithium iron phosphate positive electrode material.
In order to achieve the purpose, the invention provides the following technical scheme:
a recovery unit of lithium iron phosphate cathode material includes:
the upper part of the base is provided with a calcining furnace, a driving mechanism, a control mechanism and a purifying mechanism;
the calcining furnace is used for sintering waste lithium iron phosphate positive pole pieces;
the driving mechanism is used for driving the calcining furnace to work;
the control mechanism is used for controlling the operation of the calcining furnace, the driving mechanism and the purifying mechanism;
the purification mechanism is used for purifying the waste gas generated in the working process of the calcining furnace.
The recovery device for the lithium iron phosphate cathode material comprises the calcining furnace, wherein the calcining furnace comprises two upright posts, a support shaft, a shell, an upper cover, a cylindrical hollow inner container, a first sealing cover, a plurality of electric heating plates, a material collecting hopper and a second sealing cover, the two upright posts are vertically and fixedly arranged on the upper part of the base, the support shaft is rotatably arranged between the two upright posts through bearings and is horizontally arranged, the shell is rotatably sleeved on the support shaft through the bearings and is positioned between the two upright posts, two ends of the shell are respectively and fixedly connected with the inner side surfaces of the two upright posts through connecting blocks, the upper cover is hinged on the upper part of the shell through hinges, a cylindrical sealing space is formed between the shell and the upper cover when the upper cover is covered on the upper part of the shell, and the cylindrical hollow inner container is fixedly sleeved on the support shaft, the cylindrical hollow liner is located in the cylindrical sealing space, a material port is formed in the cylindrical hollow liner, the first sealing cover is arranged on the material port in a covering mode, the electric heating plates are fixedly arranged at the two ends of the shell and the two ends of the upper cover respectively, the material collecting hopper is fixedly arranged at the central position of the bottom of the shell, the material collecting hopper is communicated with the inside of the shell, and the second sealing cover is arranged at the bottom end of the material collecting hopper.
The recovery device for the lithium iron phosphate anode material is characterized in that a cylindrical shell is fixedly mounted inside the cylindrical hollow inner container, and the cylindrical shell and the supporting shaft are coaxially arranged.
The recovery device for the lithium iron phosphate anode material is characterized in that handles are fixedly mounted on the outer side face of the upper cover, and hasps are mounted at two ends of the upper cover and two ends of the shell.
Foretell recovery unit of lithium iron phosphate cathode material, wherein, actuating mechanism includes driven pulley, driving motor and drive pulley, driven pulley fixed mounting be in the one end tip of back shaft, driving motor fixed mounting be in the lateral part of stand, drive pulley fixed mounting be in driving motor's axis of rotation tip, just state drive pulley pass through the belt with driven pulley transmission is connected.
Foretell recovery unit of lithium iron phosphate cathode material, wherein, control mechanism includes control box, controller, temperature sensor and touch-control display screen, the control box passes through bracing piece fixed mounting in the upper portion of base, controller fixed mounting be in the inside of control box, just the controller respectively with driving motor and a plurality of electric heating board electric connection, temperature sensor inlays the dress and is in on the both ends end wall of shell, just temperature sensor's signal output part with the signal input part electric connection of controller, the touch-control display screen inlays the dress and is in the front portion of control box.
The recovery device for the lithium iron phosphate anode material comprises a control mechanism, a rear cover plate, a power switch, a loudspeaker and a status indicator lamp, wherein the rear cover plate is fixedly installed at the rear part of the control box through screws, the power switch and the loudspeaker are fixedly installed on the side part of the control box, the power switch is used for controlling the startup and shutdown of the recovery device for the lithium iron phosphate anode material, the loudspeaker is electrically connected with a controller, the status indicator lamp is fixedly installed at the top part of the control box and electrically connected with the controller, a mounting lug is further fixedly installed inside the rear part of the control box, and a threaded hole matched with the screws is formed in the mounting lug.
The recovery device for the lithium iron phosphate anode material comprises a liquid medicine barrel, a suction fan, a first cylindrical shell, a first end cover, a filter screen, a first connecting pipe, a second connecting pipe, an exhaust pipe, a second cylindrical shell, a second end cover and a filter element, wherein the liquid medicine barrel is fixedly arranged on the upper portion of the base, the liquid medicine barrel is filled with a purification liquid medicine inside, the suction fan is fixedly arranged at the top of the liquid medicine barrel and electrically connected with the controller, the first cylindrical shell is fixedly arranged on an air suction opening of the suction fan, the first end cover is screwed at one end of the first cylindrical shell, which faces away from the suction fan, the filter screen is sealed inside the first cylindrical shell through the first end cover, one end of the first connecting pipe is connected with the outer side face of the first end cover through a rotary joint, and the first connecting pipe is communicated with the inside of the first cylindrical shell through the rotary joint, the other end of the first connecting pipe is fixed on the outer side surface of the upper cover, the first connecting pipe is communicated with the cylindrical sealed space, the second connecting pipe is arranged in the liquid medicine barrel, one end of the second connecting pipe is communicated with the air outlet of the suction fan, the other end of the second connecting pipe extends into the purified liquid medicine, the exhaust pipe is vertically and fixedly installed at the top of the liquid medicine barrel, the exhaust pipe is communicated with the inside of the liquid medicine barrel, the second cylindrical shell is fixedly installed at the upper end part of the exhaust pipe, the inside of the second cylindrical shell is communicated with the inside of the exhaust pipe, and the second end cover is screwed at the upper end of the second cylindrical shell, and a plurality of exhaust holes are uniformly formed in the second end cover, and the filter element is packaged in the second cylindrical shell through the second end cover.
The recovery device for the lithium iron phosphate cathode material comprises a purification mechanism, wherein the purification mechanism further comprises an equipartition device, the equipartition device comprises a disc-shaped shell, the disc-shaped shell is arranged in the liquid medicine barrel and is close to the bottom of the liquid medicine barrel, the bottom wall of the disc-shaped shell is inwards concave, a vertical pipe is fixedly arranged at the central position of the bottom wall of the disc-shaped shell, a tubular connecting port is fixedly arranged at the central position of the top wall of the disc-shaped shell, a plurality of uniform distribution holes are formed in the bottom wall of the disc-shaped shell, the uniform distribution holes surround the vertical pipe and are annularly arranged at equal angles, the bottom end of the vertical pipe is fixedly connected with the inner bottom wall of the liquid medicine barrel, the inside of the vertical pipe is communicated with the uniform distribution holes, and the upper end of the tubular connecting pipe is connected with one end of the second connecting pipe far away from the suction fan, and the bottom end of the tubular connecting port extends into the interior of the vertical pipe.
Foretell recovery unit of lithium iron phosphate cathode material, wherein, the top of liquid medicine bucket is equipped with the medicine mouth, just the bottom intercommunication of liquid medicine bucket is installed and is arranged useless pipe, the upper end spiro union of adding the medicine mouth has the lid, arrange and install the valve on the useless pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the lithium iron phosphate positive electrode material recovered by the recovery device for the lithium iron phosphate positive electrode material, the recovered lithium iron phosphate positive electrode material can be prevented from being oxidized, the quality of the recovered lithium iron phosphate positive electrode material can be ensured, and particularly, the waste lithium iron phosphate positive electrode piece is driven to rotate in the calcining process by utilizing the rotary cylindrical hollowed-out liner, so that the calcining effect can be improved, the material separation speed of the surface of the waste lithium iron phosphate positive electrode piece can be effectively improved, and the recovery efficiency of the lithium iron phosphate positive electrode material is improved;
2. according to the invention, the controller intelligently controls the plurality of electric heating plates to work according to data uploaded by the temperature sensor, and controls the driving motor to intelligently work according to a control instruction input through the touch display screen, so that the intelligent degree is higher, and the operation is more convenient;
3. according to the invention, after the calcining furnace finishes working, the exhaust gas generated in the cylindrical sealed space can be pumped into the purification liquid medicine in the liquid medicine barrel by using the suction fan for purification, and the environment pollution caused by the exhaust gas generated in the working process of the recovery device of the lithium iron phosphate anode material can be avoided, so that the recovery device of the lithium iron phosphate anode material has a self-purification function and a good environmental protection value.
Drawings
Fig. 1 is a schematic structural diagram of a recovery device for lithium iron phosphate positive electrode material according to the present invention;
fig. 2 is one of schematic structural diagrams of another view angle of the recovery apparatus for lithium iron phosphate positive electrode material according to the present invention;
fig. 3 is a second schematic structural view of another view angle of the recycling apparatus for lithium iron phosphate cathode material according to the present invention;
fig. 4 is a third schematic structural view of another view angle of the recovery apparatus for lithium iron phosphate cathode material according to the present invention;
fig. 5 is a schematic view of an assembly structure of a calciner and a driving mechanism of the recovery device for lithium iron phosphate cathode materials according to the present invention;
fig. 6 is an assembly structure diagram of the calciner and the driving mechanism of the recovery device for lithium iron phosphate cathode material according to another view angle;
fig. 7 is a schematic view of a partial explosion structure of a calciner and a driving mechanism of the recovery device for lithium iron phosphate cathode materials according to the present invention;
fig. 8 is a schematic view of a partial structure of a calciner of a recovery device for a lithium iron phosphate positive electrode material according to the present invention;
fig. 9 is a schematic sectional view of the purification mechanism of the recovery device for lithium iron phosphate positive electrode material according to the present invention;
fig. 10 is a schematic cross-sectional structural view of another view of the purification mechanism of the recovery device for lithium iron phosphate positive electrode material according to the present invention;
FIG. 11 is an enlarged schematic view of FIG. 10 taken from view A;
FIG. 12 is an enlarged schematic view of FIG. 10 taken at detail view B;
fig. 13 is a schematic partial sectional view of the purification mechanism of the recovery apparatus for lithium iron phosphate positive electrode material according to the present invention;
fig. 14 is a schematic structural diagram of a control mechanism of the recovery device for lithium iron phosphate positive electrode material according to the present invention;
fig. 15 is a schematic structural diagram of another view angle of the control mechanism of the recovery device for lithium iron phosphate positive electrode material according to the present invention;
fig. 16 is a schematic view of the internal structure of the control mechanism of the recovery apparatus for lithium iron phosphate positive electrode material of the present invention.
In the figure:
1. a base;
2. a calciner; 201. a column; 202. a housing; 203. an upper cover; 204. a support shaft; 205. an electrical heating plate; 206. a handle; 207. a hasp; 208. a collection hopper; 209. a second sealing cover; 210. a cylindrical hollow inner container; 211. a cylindrical housing; 212. a material port; 213. a first sealing cover; 214. connecting blocks;
3. a drive mechanism; 301. a driven pulley; 302. a drive pulley; 303. a belt; 304. a drive motor;
4. a control mechanism; 401. a control box; 402. a rear cover plate; 403. a screw; 404. a controller; 405. assembling lugs; 406. a horn; 407. a power switch; 408. a touch display screen; 409. a status indicator light; 410. a support bar;
5. a purification mechanism; 501. a liquid medicine barrel; 502. a liquid level sensor; 503. a conductivity sensor; 504. a waste discharge pipe; 505. a riser; 506. a disc-shaped housing; 507. a second connecting pipe; 508. a one-way valve; 509. a suction fan; 510. a first connecting pipe; 511. an exhaust pipe; 512. a second cylindrical housing; 513. a first cylindrical housing; 514. a first end cap; 515. a rotary joint; 516. a valve; 517. a hexagonal operation block; 518. filtering with a screen; 519. a filter element; 520. a second end cap; 521. a hexagonal groove; 522. a medicine adding port; 523. a cover; 524. a tubular connector; 525. the holes are uniformly distributed.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-16, the present invention provides the following technical solutions:
example 1
As shown in fig. 1, the recycling apparatus for lithium iron phosphate positive electrode material provided in this embodiment includes: a base 1, a calciner 2 and a driving mechanism 3.
As shown in fig. 1, in order to stably place the recovery device for lithium iron phosphate cathode material, a base 1 is horizontally disposed, and a support leg is fixedly mounted at the bottom of the base 1;
as shown in fig. 1 to 8, the calciner 2 is used for sintering a waste lithium iron phosphate positive pole piece, the calciner 2 is composed of two upright posts 201, a support shaft 204, a housing 202, an upper cover 203, a cylindrical hollow inner container 210, a first sealing cover 213, a plurality of electric heating plates 205, a material collecting hopper 208 and a second sealing cover 209, the two upright posts 201 are vertically and fixedly installed on the upper portion of the base 1, the support shaft 204 is rotatably installed between the two upright posts 201 through a bearing, the support shaft 204 is horizontally arranged, the housing 202 is rotatably sleeved on the support shaft 204 through a bearing, the housing 202 is located between the two upright posts 201, two ends of the housing 202 are respectively and fixedly connected with inner side surfaces of the two upright posts 201 through connecting blocks 214, the upper cover 203 is hinged on the upper portion of the housing 202 through hinges, and when the upper cover 203 is covered on the upper portion of the housing 202, a cylindrical sealing space is formed between the housing 202 and the upper cover 203, the fixed suit of cylindrical fretwork inner bag 210 is on back shaft 204, and cylindrical fretwork inner bag 210 is located cylindrical seal space, be provided with material mouth 212 on the cylindrical fretwork inner bag 210, first sealed lid 213 lid is established on material mouth 212, a plurality of electric heating board 205 are fixed mounting respectively at the both ends of shell 202 and the both ends of upper cover 203, collecting hopper 208 fixed mounting is in the bottom central point department of putting of shell 202, and collecting hopper 208 is linked together with the inside of shell 202, the sealed lid 209 lid of second is established in collecting hopper 208's bottom.
More perfectly, as shown in fig. 5 and 8, a cylindrical shell 211 is fixedly installed inside the cylindrical hollow inner container 210, the cylindrical shell 211 and the support shaft 204 are coaxially arranged, the installed cylindrical shell 211 enables a cylindrical space to be formed inside the cylindrical hollow inner container 210, the cylindrical space is used for accommodating a waste lithium iron phosphate positive electrode piece, the problem that the calcination quality is affected due to the fact that the waste lithium iron phosphate positive electrode pieces added inside the cylindrical shell 211 are all stacked together can be avoided, and therefore the recovery quality of the lithium iron phosphate positive electrode material is effectively improved.
More perfectly, as shown in fig. 5, a handle 206 is also fixedly installed on the outer side surface of the upper cover 203, and two ends of the upper cover 203 and two ends of the housing 202 are installed with buckles 207 together, so that the upper cover 203 can be opened and closed by the handle 206, and in addition, the upper cover 203 can be locked on the upper part of the housing 202 by the buckles 207, thereby increasing the sealing performance between the upper cover 203 and the housing 202,
in the calcining furnace 2, when in use, the upper cover 203 is opened, then the first sealing cover 213 is opened, the waste lithium iron phosphate positive pole piece is thrown into the cylindrical hollow inner container 210 through the material port 212, then the first sealing cover 213 is tightly covered on the material port 212, then the upper cover 203 is closed, then the electric heating plate 205 is opened to heat the inside of the shell 202, the temperature is adjusted to 200-400 ℃ to sinter the waste lithium iron phosphate positive pole piece until the material on the surface of the waste lithium iron phosphate positive pole piece is separated to obtain the rough lithium iron phosphate material, in order to improve the calcining effect, the cylindrical hollow inner container 210 can be driven by the driving mechanism 3 to continuously rotate in the sintering process of the waste lithium iron phosphate positive pole piece, in the continuous rotating process of the cylindrical hollow inner container 210, the material falling off from the surface of the waste lithium iron phosphate positive pole piece falls into the collecting hopper 208 through the hollow holes on the cylindrical hollow inner container 210, after sintering for 3 hours, the basic material stripping and separation of the material on the surface of the waste lithium iron phosphate positive pole piece is completed, then the electric heating plate 205 is closed, after cooling, the second sealing cover 209 is removed, the material in the collecting hopper 208 is taken out, then the first sealing cover 213 is removed, the driving mechanism 3 is used for driving the cylindrical hollow liner 210 to rotate until the material port 212 faces the collecting hopper 208, the obtained rough lithium iron phosphate material can be taken out, in addition, the waste lithium iron phosphate positive pole piece is always in the cylindrical sealed space in the process of calcining the waste lithium iron phosphate positive pole piece, the obtained rough lithium iron phosphate material can be prevented from being oxidized, and the quality of the obtained rough lithium iron phosphate material is ensured, so the lithium iron phosphate positive pole material recovered by the recovery device of the lithium iron phosphate positive pole material can be prevented from being oxidized, the quality can also be ensured, particularly, the rotary cylindrical hollow liner 210 is used for driving the waste lithium iron phosphate positive pole piece to be calcined In-process rotation not only can improve the calcination effect, but also can effectively improve the material separation speed on the surface of the waste lithium iron phosphate positive pole piece, thereby improving the recovery efficiency of the lithium iron phosphate positive pole material.
As shown in fig. 1 to 4 and 5, the driving mechanism 3 is configured to drive the calciner 2 to work, the driving mechanism 3 includes a driven pulley 301, a driving motor 304 and a driving pulley 302, the driven pulley 301 is fixedly installed at an end of the supporting shaft 204, the driving motor 304 is fixedly installed at a side portion of the upright column 201, the driving pulley 302 is fixedly installed at an end of a rotating shaft of the driving motor 304, and the driving pulley 302 is in transmission connection with the driven pulley 301 through a belt 303, the driving pulley 302 can be rotated by using the driving motor 304, the driving pulley 302 drives the driven pulley 301 to rotate through the belt 303, the driven pulley 301 drives the supporting shaft 204 to drive, the supporting shaft 204 drives the cylindrical hollow liner 210 to rotate, and the driving motor 304 adopts a reduction motor only to prevent the cylindrical hollow liner 210 from rotating too fast.
Example 2
As shown in fig. 1, the recovery apparatus for lithium iron phosphate positive electrode material according to the present embodiment is different from embodiment 1 in that it further includes a control mechanism 4.
Wherein, as shown in 14-16 in figures 1-5, the control mechanism 4 is used for controlling the operation of the calcining furnace 2 and the driving mechanism 3; the control mechanism 4 is composed of a control box 401, a controller 404, a temperature sensor and a touch display screen 408, the control box 401 is fixedly installed on the upper portion of the base 1 through a support rod 410, the controller 404 is fixedly installed inside the control box 401, the controller 404 is respectively electrically connected with the driving motor 304 and the plurality of electric heating plates 205, the temperature sensor is embedded on the end walls of the two ends of the shell 202, the signal output end of the temperature sensor is electrically connected with the signal input end of the controller 404, and the touch display screen 408 is embedded on the front portion of the control box 401.
The controller 404 is used for controlling the driving motor 304 and the electric heating plates 205 to work, the touch display screen 408 is used for displaying the working states of the temperature sensor, the driving motor 304 and the electric heating plates 205, and meanwhile, the touch display screen 408 is used for providing a human-computer interaction interface, so that the recovery device of the lithium iron phosphate anode material is convenient to operate, the controller 404 intelligently controls the electric heating plates 205 to work according to data uploaded by the temperature sensor, and controls the driving motor 304 to intelligently work according to a control instruction input through the touch display screen 408.
The controller 404 may be a PLC controller.
As shown in fig. 14 to 16, in order to enrich the functions of the control mechanism 4, the provided control mechanism 4 further includes a rear cover plate 402, a power switch 407, a speaker 406 and a status indicator lamp 409, the rear cover plate 402 is fixedly mounted at the rear portion of the control box 401 through a screw 403, the power switch 407 and the speaker 406 are both fixedly mounted at the side portion of the control box 401, the power switch 407 is used for controlling the on/off of the recovery device of the lithium iron phosphate positive electrode material, the speaker 406 is electrically connected with the controller 404, the status indicator lamp 409 is fixedly mounted at the top portion of the control box 401, the status indicator lamp 409 is electrically connected with the controller 404, a mounting lug 405 is also fixedly mounted inside the rear portion of the control box 401, and a threaded hole matched with the screw 403 is formed in the mounting lug 405.
Wherein, back shroud 402 forms effective protection to the inside controller 404 of control box 401, switch 407 is used for controlling the recovery unit switching on and shutting down of this lithium iron phosphate positive pole material, loudspeaker 406 is used for sending out the chimes of doom by controller 404 control when the recovery unit operation of this lithium iron phosphate positive pole material is unusual and reminds the staff in time to handle unusually, status indicator 409 is used for showing the running state of this lithium iron phosphate positive pole material's recovery unit in real time, be convenient for the staff to know this lithium iron phosphate positive pole material's recovery unit's operating condition in real time, it makes back shroud 402 be convenient for through screw 403 fixed mounting at the rear portion of control box 401 to equip ear 405.
Example 3
As shown in fig. 1, the recovery apparatus for lithium iron phosphate positive electrode material according to the present embodiment is different from embodiment 2 in that it further includes a purification mechanism 5.
As shown in fig. 1-4, 9-13 and 16, the purifying mechanism 5 is used for purifying exhaust gas generated during the operation of the calciner 2, the purifying mechanism 5 is composed of a liquid medicine barrel 501, a suction fan 509, a first cylindrical housing 513, a first end cap 514, a filter net 518, a first connecting pipe 510, a second connecting pipe 507, an exhaust pipe 511, a second cylindrical housing 512, a second end cap 520 and a filter element 519, the liquid medicine barrel 501 is fixedly installed on the upper portion of the base 1, the liquid medicine barrel 501 contains purifying liquid medicine, the suction fan 509 is fixedly installed on the top of the liquid medicine barrel 501, the suction fan 509 is electrically connected with the controller 404, the first cylindrical housing 513 is fixedly installed on the suction opening of the suction fan 509, the first end cap 514 is screwed on the end of the first cylindrical housing 513 opposite to the suction fan 509, the filter net 518 is sealed inside the first cylindrical housing 513 through the first end cap 514, one end of a first connection pipe 510 is connected with the outer side surface of a first end cap 514 through a rotary joint 515, the first connection pipe 510 is communicated with the inside of a first cylindrical shell 513 through the rotary joint 515, the other end of the first connection pipe 510 is fixed on the outer side surface of the upper cap 203, the first connection pipe 510 is communicated with the cylindrical sealed space, a second connection pipe 507 is arranged inside the liquid medicine barrel 501, one end of the second connection pipe 507 is communicated with an air outlet of a suction fan 509, the other end of the second connection pipe 507 extends into the purified liquid medicine, an exhaust pipe 511 is vertically and fixedly arranged at the top of the liquid medicine barrel 501, the exhaust pipe 511 is communicated with the inside of the liquid medicine barrel 501, a second cylindrical shell 512 is fixedly arranged at the upper end part of the exhaust pipe 511, the inside of the second cylindrical shell 512 is communicated with the inside of the exhaust pipe 511, and a second end cap 520 is screwed at the upper end of the second cylindrical shell 512, and a plurality of vent holes are uniformly formed in the second end cap 520, and the filter element 519 is enclosed inside the second cylindrical shell 512 through the second end cap 520.
The working principle of the purification mechanism 5 is as follows: the air in the cylindrical sealed space can be extracted by means of the suction fan 509 before the calciner 2 is put into operation, so that the cylindrical sealing space forms a nearly vacuum state, the oxidation of the lithium iron phosphate anode material can be avoided, after the calcining furnace 2 finishes working, the exhaust gas generated in the cylindrical sealed space can be pumped into the purifying liquid medicine in the liquid medicine barrel 501 by the suction fan 509 for purification, can avoid the pollution of the waste gas generated in the working process of the recovery device of the lithium iron phosphate anode material to the environment, so that the recycling device of the lithium iron phosphate anode material has better environmental protection value, in order to prevent the purified liquid medicine in the liquid medicine barrel 501 from being polluted by the dust in the calcining furnace 2, the filter screen 518 can be arranged to filter the dust, in order to ensure the purification effect, the purified exhaust gas can be further purified by the filter element 519.
It should be noted that the filter screen 518 is a stainless steel filter screen, the filter element 519 is an activated carbon filter element, and in order to prevent workers from being scalded, a ceramic bead heat insulation coating is sprayed on the outside of the calcining furnace 2.
Wherein the cleaning solution can be alkaline solution, such as potassium hydroxide solution.
As shown in fig. 11, in order to facilitate the detachment and installation of the first end cap 514, a hexagonal operation block 517 is further fixedly installed between the top of the first end cap 514 and the rotary joint 515, so as to facilitate the replacement or cleaning of the filter screen 518 in the later period.
As shown in fig. 12, a hexagonal groove 521 is further formed in the outer side surface of the second end cap 520 in the middle for facilitating the detachment and installation of the second end cap 520, so as to facilitate the replacement or cleaning of the filter element 519 in the later period.
As shown in fig. 13, in order to prevent the suction fan 509 from being damaged due to the reverse flow of the cleaning chemical into the suction fan 509, a check valve 508 having a conduction direction opposite to that of the suction fan 509 is further installed in the second connection pipe 507.
As shown in fig. 3 and 16, in order to facilitate understanding of the conductivity of the purified liquid medicine, a conductivity sensor 503 is further embedded on the top wall of the liquid medicine barrel 501, and the conductivity sensor 503 is electrically connected to the controller 404.
As shown in fig. 3, 9 and 16, in order to facilitate understanding of the liquid level of the purified liquid medicine inside the liquid medicine barrel 501, a liquid level sensor 502 is further embedded in the top wall of the liquid medicine barrel 501, and the liquid level sensor 502 is electrically connected to the controller 404.
As shown in fig. 9-10 and 13, in order to further enhance the purifying effect of the purifying mechanism 5, the purifying mechanism 5 further includes an even distributor, the even distributor includes a disc-shaped housing 506, the disc-shaped housing 506 is disposed inside the liquid medicine barrel 501, the disc-shaped housing 506 is disposed near the bottom of the liquid medicine barrel 501, the bottom wall of the disc-shaped housing 506 is recessed, a vertical pipe 505 is fixedly disposed at the center of the bottom wall of the disc-shaped housing 506, a tubular connector 524 is fixedly disposed at the center of the top wall of the disc-shaped housing 506, a plurality of uniform distribution holes 525 are disposed on the bottom wall of the disc-shaped housing 506, the plurality of uniform distribution holes 525 are circumferentially disposed around the vertical pipe 505 at equal angles, the bottom end of the vertical pipe 505 is fixedly connected to the inner bottom wall of the liquid medicine barrel 501, the inside of the vertical pipe 505 is communicated with the plurality of uniform distribution holes 525, the upper end of the tubular connector 524 is connected to one end of the second connecting pipe 507 far from the suction fan 509, and the bottom end of tubular connection port 524 extends into the interior of riser 505.
The equipartition device is arranged under the mutual cooperation of the disc-shaped shell 506, the stand pipe 505, the plurality of equipartition holes 525 and the tubular connecting ports 524, and can disperse the waste gas passing through the inside of the disc-shaped shell 506 in the purified liquid medicine, thereby improving the purification effect of the purification mechanism 5.
As shown in fig. 9 and 10, in order to facilitate the addition of the purified liquid medicine into the liquid medicine barrel 501, a medicine feeding port 522 is further provided at the top of the liquid medicine barrel 501, a waste discharge pipe 504 is further installed at the bottom of the liquid medicine barrel 501 in order to facilitate the discharge of the purified liquid medicine from the liquid medicine barrel 501, a cover 523 is further screwed to the upper end of the medicine feeding port 522 in order to prevent foreign matters such as dust from entering the medicine feeding port 522, and a valve 516 is further installed on the waste discharge pipe 504 in order to facilitate the control of the on-off of the waste discharge pipe 504.
The working principle is as follows: when the recovery device for the lithium iron phosphate positive electrode material is used, purified liquid medicine is added into the liquid medicine barrel 501 through the waste discharge pipe 504, then the cover 523 is tightly covered, the upper cover 203 is opened, then the first sealing cover 213 is opened, waste lithium iron phosphate positive electrode pieces are fed into the cylindrical hollow inner container 210 through the material port 212, then the first sealing cover 213 is tightly covered on the material port 212, then the upper cover 203 is closed, then the electric heating plate 205 is opened to heat the inside of the shell 202, the temperature is adjusted to 200 ℃ -400 ℃ to sinter the waste lithium iron phosphate positive electrode pieces until the materials on the surface of the waste lithium iron phosphate positive electrode pieces are separated to obtain rough lithium iron phosphate material, in order to improve the calcining effect, in the process of sintering the waste lithium iron phosphate positive electrode pieces, the cylindrical hollow inner container 210 can be driven by the driving motor 304 to continuously rotate, in the process of continuously rotating the cylindrical hollow inner container 210, the materials falling off from the surface of the waste lithium iron phosphate positive pole piece fall into the collecting hopper 208 through the hollow holes in the cylindrical hollow inner container 210, after sintering for 3 hours, the materials on the surface of the waste lithium iron phosphate positive pole piece are basically separated, then the electric heating plate 205 is closed, after cooling, the second sealing cover 209 is removed to take out the materials in the collecting hopper 208, then the first sealing cover 213 is removed, the driving motor 304 is utilized to drive the cylindrical hollow inner container 210 to rotate until the material port 212 faces the collecting hopper 208, and the obtained rough lithium iron phosphate material can be taken out;
it should be noted that, before the calciner 2 starts to work, the suction fan 509 may be used to draw out the air in the cylindrical sealed space, so that a near-vacuum state is formed in the cylindrical sealed space, which can prevent the lithium iron phosphate anode material from being oxidized, after the calciner 2 finishes working, the suction fan 509 may be used to draw the exhaust gas generated in the cylindrical sealed space into the purification liquid medicine in the liquid medicine barrel 501 for purification, which can prevent the exhaust gas generated in the recovery device of the lithium iron phosphate anode material from polluting the environment, so that the recovery device of the lithium iron phosphate anode material has a good environmental protection value, in order to prevent the purification liquid medicine in the liquid medicine barrel 501 from being polluted by the dust in the calciner 2, the filter screen 518 may be arranged to filter the dust, and in order to ensure the purification effect, the filter element 519 may be used to further purify the purified exhaust gas.
The operation processes of the electric heating plate 205, the driving motor 304 and the suction fan 509 can be controlled through the touch display screen 408.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a recovery unit of lithium iron phosphate cathode material which characterized in that includes:
the device comprises a base (1), wherein a calcining furnace (2), a driving mechanism (3), a control mechanism (4) and a purifying mechanism (5) are mounted on the upper part of the base (1);
the calcining furnace (2) is used for sintering waste lithium iron phosphate positive pole pieces;
the driving mechanism (3) is used for driving the calcining furnace (2) to work;
wherein the control mechanism (4) is used for controlling the operation of the calcining furnace (2), the driving mechanism (3) and the purification mechanism (5);
wherein the purification mechanism (5) is used for purifying the waste gas generated in the working process of the calcining furnace (2).
2. The device for recovering a lithium iron phosphate positive electrode material according to claim 1, characterized in that: the calcining furnace (2) comprises two upright posts (201), a support shaft (204), a shell (202), an upper cover (203), a cylindrical hollow inner container (210), a first sealing cover (213), a plurality of electric heating plates (205), a material collecting hopper (208) and a second sealing cover (209), wherein the two upright posts (201) are vertically and fixedly arranged on the upper part of the base (1), the support shaft (204) is rotatably arranged between the two upright posts (201) through a bearing, the support shaft (204) is horizontally arranged, the shell (202) is rotatably sleeved on the support shaft (204) through a bearing, the shell (202) is positioned between the two upright posts (201), two ends of the shell (202) are respectively and fixedly connected with the inner side surfaces of the two upright posts (201) through connecting blocks (214), and the upper cover (203) is hinged on the upper part of the shell (202) through hinges, and a cylindrical sealed space is formed between the housing (202) and the upper cover (203) when the upper cover (203) is closed on the upper part of the housing (202), the cylindrical hollow inner container (210) is fixedly sleeved on the supporting shaft (204), the cylindrical hollow liner (210) is positioned in the cylindrical sealed space, a material port (212) is arranged on the cylindrical hollow liner (210), the first sealing cover (213) is covered on the material port (212), the plurality of electric heating plates (205) are respectively and fixedly arranged at two ends of the shell (202) and two ends of the upper cover (203), the aggregate bin (208) is fixedly arranged at the bottom center position of the shell (202), the material collecting hopper (208) is communicated with the inside of the shell (202), and the second sealing cover (209) is arranged at the bottom end of the material collecting hopper (208) in a covering mode.
3. The device for recovering a lithium iron phosphate positive electrode material according to claim 2, characterized in that: the cylindrical hollow inner container (210) is fixedly provided with a cylindrical shell (211), and the cylindrical shell (211) and the support shaft (204) are coaxially arranged.
4. The device for recovering a lithium iron phosphate positive electrode material according to claim 2, characterized in that: and a handle (206) is fixedly arranged on the outer side surface of the upper cover (203), and hasps (207) are arranged at two ends of the upper cover (203) and two ends of the shell (202) together.
5. The device for recovering a lithium iron phosphate positive electrode material according to claim 2, characterized in that: drive mechanism (3) include driven pulley (301), driving motor (304) and drive pulley (302), driven pulley (301) fixed mounting be in the one end tip of back shaft (204), driving motor (304) fixed mounting be in the lateral part of stand (201), drive pulley (302) fixed mounting be in the axis of rotation tip of driving motor (304), just state drive pulley (302) through belt (303) with driven pulley (301) transmission is connected.
6. The device for recovering a lithium iron phosphate positive electrode material according to claim 5, characterized in that: control mechanism (4) are including control box (401), controller (404), temperature sensor and touch-control display screen (408), control box (401) pass through bracing piece (410) fixed mounting in the upper portion of base (1), controller (404) fixed mounting in the inside of control box (401), just controller (404) respectively with driving motor (304) and a plurality of electric heating board (205) electric connection, temperature sensor inlays the dress on the both ends end wall of shell (202), just temperature sensor's signal output part with the signal input part electric connection of controller (404), touch-control display screen (408) inlay the dress in the front portion of control box (401).
7. The device for recovering a lithium iron phosphate positive electrode material according to claim 6, characterized in that: the control mechanism (4) also comprises a rear cover plate (402), a power switch (407), a loudspeaker (406) and a status indicator lamp (409), the rear cover plate (402) is fixedly arranged at the rear part of the control box (401) through a screw (403), the power switch (407) and the horn (406) are both fixedly mounted on the side of the control box (401), and the power switch (407) is used for controlling the recovery device of the lithium iron phosphate anode material to be switched on and off, the loudspeaker (406) is electrically connected with the controller (404), the status indicator lamp (409) is fixedly arranged at the top of the control box (401), and the status indicator lamp (409) is electrically connected with the controller (404), the inner part of the rear part of the control box (401) is also fixedly provided with a fitting lug (405), the assembling lug (405) is provided with a threaded hole matched with the screw (403).
8. The device for recovering a lithium iron phosphate positive electrode material according to claim 6, characterized in that: the purification mechanism (5) comprises a liquid medicine barrel (501), a suction fan (509), a first cylindrical shell (513), a first end cover (514), a filter screen (518), a first connecting pipe (510), a second connecting pipe (507), an exhaust pipe (511), a second cylindrical shell (512), a second end cover (520) and a filter element (519), wherein the liquid medicine barrel (501) is fixedly installed on the upper part of the base (1), the interior of the liquid medicine barrel (501) is filled with a purification liquid medicine, the suction fan (509) is fixedly installed at the top of the liquid medicine barrel (501), the suction fan (509) is electrically connected with the controller (404), the first cylindrical shell (513) is fixedly installed on an exhaust inlet of the suction fan (509), the first end cover (514) is screwed on the first cylindrical shell (513) and faces away from one end of the suction fan (509), the filter screen (518) is packaged in the first cylindrical shell (513) through the first end cover (514), one end of the first connecting pipe (510) is connected with the outer side surface of the first end cover (514) through a rotary joint (515), the first connecting pipe (510) is communicated with the interior of the first cylindrical shell (513) through the rotary joint (515), the other end of the first connecting pipe (510) is fixed on the outer side surface of the upper cover (203), the first connecting pipe (510) is communicated with the cylindrical sealed space, the second connecting pipe (507) is arranged in the liquid medicine barrel (501), one end of the second connecting pipe (507) is communicated with the air outlet of the suction fan (509), the other end of the second connecting pipe (507) extends into the purified liquid medicine, and the exhaust pipe (511) is vertically and fixedly installed at the top of the liquid medicine barrel (501), and blast pipe (511) with the inside of liquid medicine bucket (501) is linked together, second cylinder casing (512) fixed mounting be in the upper end tip of blast pipe (511), just the inside of second cylinder casing (512) with the inside of blast pipe (511) is linked together, second end cover (520) spiro union is in the upper end of second cylinder casing (512), just evenly be equipped with a plurality of exhaust holes on second end cover (520), filter core (519) passes through second end cover (520) encapsulation is in the inside of second cylinder casing (512).
9. The device for recovering a lithium iron phosphate positive electrode material according to claim 8, characterized in that: purification mechanism (5) still includes the equipartition ware, the equipartition ware includes disc casing (506), disc casing (506) set up the inside of liquid medicine bucket (501), just disc casing (506) are close to the bottom setting of liquid medicine bucket (501), the diapire indent setting of disc casing (506), just the diapire central point department of putting of disc casing (506) fixed mounting has riser (505), just the roof central point department fixed mounting of disc casing (506) has tubulose connector (524), a plurality of equipartition hole (525) have been seted up on the diapire of disc casing (506), and a plurality of equipartition hole (525) center on riser (505) are the angle such as hoop and arrange, the bottom of riser (505) with the interior diapire fixed connection of liquid medicine bucket (501), just the inside and a plurality of riser (505) equipartition hole (525) are linked together, the upper end of the tubular connecting port (524) is connected with one end, far away from the suction fan (509), of the second connecting pipe (507), and the bottom end of the tubular connecting port (524) extends into the interior of the vertical pipe (505).
10. The device for recovering a lithium iron phosphate positive electrode material according to claim 8, characterized in that: the top of liquid medicine bucket (501) is equipped with medicine mouth (522), just the bottom intercommunication of liquid medicine bucket (501) is installed and is arranged useless pipe (504), the upper end spiro union of adding medicine mouth (522) has lid (523), arrange and install valve (516) on useless pipe (504).
CN202110580589.7A 2021-05-26 Recovery device for lithium iron phosphate anode material Active CN113332932B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110580589.7A CN113332932B (en) 2021-05-26 Recovery device for lithium iron phosphate anode material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110580589.7A CN113332932B (en) 2021-05-26 Recovery device for lithium iron phosphate anode material

Publications (2)

Publication Number Publication Date
CN113332932A true CN113332932A (en) 2021-09-03
CN113332932B CN113332932B (en) 2024-04-26

Family

ID=

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116979172A (en) * 2023-09-25 2023-10-31 赣州赛可韦尔科技有限公司 Lithium iron phosphate waste recycling device and method for preparing battery-grade lithium phosphate by using same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130316233A1 (en) * 2011-02-02 2013-11-28 Furukawa Electric Co., Ltd. Particulate mixture, cathode active material, cathode, secondary battery, and production method thereof
CN106910889A (en) * 2017-02-27 2017-06-30 中南大学 A kind of method that positive active material is regenerated from waste lithium iron phosphate battery
CN207822726U (en) * 2018-01-09 2018-09-07 四川众望安全环保技术咨询有限公司 A kind of waste gas purification apparatus
CN213179370U (en) * 2020-08-03 2021-05-11 江西睿智环保科技有限公司 Environment-friendly shell powder coating calcining equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130316233A1 (en) * 2011-02-02 2013-11-28 Furukawa Electric Co., Ltd. Particulate mixture, cathode active material, cathode, secondary battery, and production method thereof
CN106910889A (en) * 2017-02-27 2017-06-30 中南大学 A kind of method that positive active material is regenerated from waste lithium iron phosphate battery
CN207822726U (en) * 2018-01-09 2018-09-07 四川众望安全环保技术咨询有限公司 A kind of waste gas purification apparatus
CN213179370U (en) * 2020-08-03 2021-05-11 江西睿智环保科技有限公司 Environment-friendly shell powder coating calcining equipment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
温静等: "计算机操作系统原理", 武汉大学出版社, pages: 268 - 269 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116979172A (en) * 2023-09-25 2023-10-31 赣州赛可韦尔科技有限公司 Lithium iron phosphate waste recycling device and method for preparing battery-grade lithium phosphate by using same
CN116979172B (en) * 2023-09-25 2023-12-22 赣州赛可韦尔科技有限公司 Lithium iron phosphate waste recycling device and method for preparing battery-grade lithium phosphate by using same

Similar Documents

Publication Publication Date Title
CN211586784U (en) Waste battery crushing device
CN211538942U (en) Comprehensive treatment device for aluminum electrolysis waste
CN211726300U (en) Low-energy-consumption recycling device for quick color changing electrostatic powder spraying room
CN210379337U (en) Lithium battery recycling and disassembling device
CN113332932A (en) Recovery unit of lithium iron phosphate cathode material
CN113332932B (en) Recovery device for lithium iron phosphate anode material
CN206342965U (en) A kind of refuse disposal installation
CN212121166U (en) Integrative broken recovery unit of formula that flows
CN217251461U (en) Old and useless lithium cell is retrieved edulcoration filter equipment again
CN217340809U (en) Valuable metal smelting waste gas recovery device of oxygen-enriched combustion rotary kiln
CN212563749U (en) Ventilation safety monitoring equipment for coal mine
CN214666096U (en) Energy-saving system for heating waste heat boiler by using cement kiln tail gas
CN213965680U (en) Novel bag filter and carbon black tail gas collecting system
CN213996220U (en) Lithium battery negative electrode material production line convenient to clean
CN210569702U (en) Modified lithium cell raw materials for production drying device
CN106353151A (en) Environmentally-friendly thermal power generation boiler capable of purifying waste water
CN206184547U (en) Lithium cell raw materials for production are with controllable formula stirring ball mill
CN212039412U (en) Filtration equipment of vacuum pump that facilitates use
CN110576030A (en) Integrative broken recovery unit of formula that flows
CN206330213U (en) Anion air-cleaning facility
CN210163143U (en) Lithium carbonate refining and purifying device
CN219111245U (en) Electric smelting magnesium solid melting lump flue gas recycling device
CN213527845U (en) Dust collecting equipment with carbon particle filtering and recycling functions
CN205887212U (en) Mother liquor materiel recovered device
CN213966168U (en) Abandonment rechargeable lithium cell recovery processing device

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
GR01 Patent grant