CN114749107A - Ternary precursor production system - Google Patents
Ternary precursor production system Download PDFInfo
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- CN114749107A CN114749107A CN202210413925.3A CN202210413925A CN114749107A CN 114749107 A CN114749107 A CN 114749107A CN 202210413925 A CN202210413925 A CN 202210413925A CN 114749107 A CN114749107 A CN 114749107A
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- 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
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
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- 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
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- 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
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- 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
- B01J4/008—Feed or outlet control devices
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- 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0869—Feeding or evacuating the reactor
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Abstract
The invention relates to the technical field of electrode material production, in particular to a ternary precursor production system which comprises a reaction kettle body, two groups of first feeding assemblies, two groups of screening assemblies and two groups of second feeding assemblies, wherein the two groups of first feeding assemblies are respectively fixed on two sides of the reaction kettle body through supports; according to the invention, through the matching of the screening component and the adding component, the solid raw materials are screened, filtered and accurately quantified, meanwhile, large-particle solid raw materials are filtered out, and small-particle solid raw materials are added into the reaction kettle through the solid adding component; through the cooperation of two feeding subassemblies, can add different raw materials simultaneously, it is convenient to bring for the production of electrode material raw materials.
Description
Technical Field
The invention belongs to the technical field of electrode material production, and particularly relates to a ternary precursor production system.
Background
The key material of the lithium ion battery is a positive electrode material, which accounts for about 30% of the cost of the lithium ion battery, and lithium cobaltate, a ternary material, lithium manganate and lithium iron phosphate are mainly applied in the current market. The lithium nickel cobalt manganese oxide material is a novel lithium battery positive electrode material; compared with other anode materials, the anode material has the advantages of high mass specific capacity, low cost, good thermal stability and high energy density, and is widely applied to the fields of digital electronic products, electric tools, electric bicycles and the like.
The ternary material is prepared by mixing a ternary precursor and a lithium source and then sintering at a high temperature. Nickel cobalt manganese hydroxide is a widely used ternary precursor material with a chemical general formula of NixCoyMnz(OH)2Specifically, nickel salt, cobalt salt and manganese salt are used as raw materials, and the specific dosage ratio (x: y: z) of nickel, cobalt and manganese is adjusted according to actual needs.
In the prior art, the performance of a ternary cathode material or a ternary precursor material is usually changed and improved by a doping mode, during production, one or more certain amounts of doped solid raw materials or other raw materials are required to be added into a reaction kettle, and an electrode material is generated at a proper reaction temperature, stirring speed and pH value, the existing reaction kettle does not usually have the functions of screening and weighing various solid raw materials, so that the solid raw materials entering the reaction kettle have larger particles or have uncertainty of weight, and the doping effect is influenced, therefore, a ternary precursor production system needs to be provided.
Disclosure of Invention
Aiming at the problems, the invention provides a ternary precursor production system which comprises a reaction kettle body, two groups of first feeding assemblies, two groups of screening assemblies and a second feeding assembly, wherein the two groups of first feeding assemblies are respectively fixed on two sides of the reaction kettle body through a bracket;
The screening assembly comprises a third barrel body and a second barrel cover, the second barrel cover is movably inserted at the upper end of the third barrel body, a screen is movably mounted inside the third barrel body, a horn-shaped first blanking pipe is arranged at the lower end of the third barrel body, a piston rod end of the electric push rod is fixed with the lower end of the third barrel body, a waste discharge pipe with an electromagnetic valve is communicated with the side wall of the third barrel body, and the waste discharge pipe is positioned above the screen;
the second feeding assembly comprises a second weighing barrel, the lower end of the first discharging pipe is connected to the upper end of the second weighing barrel in an inserting mode, a second discharging pipe is arranged at the lower end of the second weighing barrel, an electromagnetic valve is installed on the second discharging pipe, the second weighing barrel is transparent, and second scale marks are arranged on the outer wall of the second weighing barrel.
Furthermore, a second handrail is fixed at the center of the upper surface of the second barrel cover, and a slot for inserting the upper end of the third barrel body is formed in the lower surface of the second barrel cover.
Furthermore, an annular supporting block is fixed inside the third barrel body, and the screen is movably placed on the upper surface of the supporting block.
Furthermore, the second weighing barrel comprises a second barrel body, the second barrel body is a hollow cylinder, a feed inlet for inserting a first discharging pipe is formed in the upper end of the second barrel body, and the length of the first discharging pipe inserted into the second barrel body is at least 5 CM.
Further, every group first feed assembly includes first scale bucket, the outer wall intercommunication of first scale bucket has the connecting pipe that has the solenoid valve, and is two sets of connecting pipe on the first scale bucket all communicates with reation kettle body upper end lateral wall, and is two sets of first scale bucket is the symmetry setting, the outer wall of first scale bucket is provided with first scale mark, first scale bucket is transparent setting.
Furthermore, the first weighing barrel comprises a first barrel body and a first barrel cover, a first handrail is fixed on the upper surface of the first barrel cover, a groove for installing the second barrel body is formed in the lower surface of the first barrel cover, the outer wall of the lower surface of the connecting pipe is flush with the inner bottom of the first barrel body, and mounting holes for installing the two connecting pipes are formed in the side wall of the reaction kettle body.
Further, the support comprises a supporting plate and a fixing plate, the fixing plate is vertically fixed on the lower surface of the supporting plate, one side of the fixing plate is fixed to the outer wall of the reaction kettle body, a supporting rod is obliquely arranged between the other side of the fixing plate and the supporting plate, and the first weighing barrel is fixed to the upper surface of the supporting plate.
Further, the internally mounted of reation kettle body has the stirring subassembly, the stirring subassembly passes through motor drive, the motor is installed in the upper end of reation kettle body, just the landing leg is installed to the lower extreme of reation kettle body.
Further, the stirring subassembly includes the pivot, the output shaft of interior bottom and motor that the reation kettle body was run through to the one end of pivot, the outer wall and the reation kettle body rotation of pivot lower extreme are connected, two sets of puddlers, every group are installed to the outer wall equidistance of pivot the puddler is provided with a plurality of rectangle poles, angular distribution such as a plurality of rectangle poles is around the pivot, the upper end of puddler is the toper setting.
The beneficial effects of the invention are:
1. according to the invention, through the matching of the screening component and the feeding component, the solid raw materials are screened, filtered and accurately quantified before being added, the large-particle solid raw materials are filtered out, and the small-particle solid raw materials are added into the reaction kettle through the solid adding component, so that the large-particle solid raw materials are prevented from entering the reaction kettle body, and the reaction rate of the solid raw materials is accelerated.
2. According to the invention, through the matching of the two feeding assemblies, different raw materials can be added at the same time, so that convenience is brought to the production of raw materials of electrode materials.
3. According to the invention, through the matching of the second weighing barrel and the second scale marks, the weight and the addition amount of the product in the second weighing barrel can be observed conveniently in real time, and the quantitative addition of the reaction kettle body can be conveniently carried out, so that the convenience of raw material addition is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 shows a schematic structural diagram according to an embodiment of the invention;
FIG. 2 illustrates a cross-sectional structural view of a screening assembly according to an embodiment of the present invention;
FIG. 3 shows a schematic structural view of a liquid addition assembly according to an embodiment of the invention;
FIG. 4 shows a schematic structural diagram of a stent according to an embodiment of the invention;
FIG. 5 is a schematic diagram showing the internal structure of a reaction vessel body according to an embodiment of the present invention;
FIG. 6 shows a schematic structural diagram of a stirring assembly according to an embodiment of the invention.
In the figure: 1. a reaction kettle body; 2. a support; 201. a support plate; 202. a fixing plate; 203. a support bar; 3. a first weighing bucket; 301. a first barrel body; 302. a first tub cover; 303. a first armrest; 304. a connecting pipe; 305. a first scale mark; 4. a screening component; 401. a third barrel body; 402. a first blanking pipe; 403. a waste discharge pipe; 404. screening a screen; 405. a support block; 406. a second tub cover; 407. a second handrail; 408. a slot; 5. a second weighing bucket; 501. a second barrel body; 502. a second blanking pipe; 6. an electric push rod; 7. a discharge pipe; 8. a motor; 9. a stirring assembly; 901. a rotating shaft; 902. a stirring rod; 10. a feed inlet; 11. and (7) installing holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
The embodiment of the invention provides a ternary precursor production system, which comprises a reaction kettle body 1, two groups of first feeding assemblies, a screening assembly 4 and a second feeding assembly, wherein the two groups of first feeding assemblies are arranged, the two groups of first feeding assemblies are respectively fixed on two sides of the reaction kettle body 1 through a support 2, the second feeding assembly is arranged at the upper end of the reaction kettle body 1, the screening assembly 4 is arranged above the second feeding assembly through four electric push rods 6, and a discharge pipe 7 with an electromagnetic valve is arranged on the outer wall of the reaction kettle body 1 of the reaction kettle 1.
As shown in fig. 2, the screening component 4 includes a third barrel body 401 and a second barrel cover 406, the second barrel cover 406 is movably inserted into the upper end of the third barrel body 401, a screen 404 is movably installed inside the third barrel body 401, a horn-shaped first discharging pipe 402 is arranged at the lower end of the third barrel body 401, a piston rod end of the electric push rod 6 is fixed to the lower end of the third barrel body 401, a waste discharge pipe 403 with an electromagnetic valve is communicated with a side wall of the third barrel body 401, the waste discharge pipe 403 is located above the screen 404, the third barrel body 401 is driven by the electric push rod 6 to reciprocate up and down, so that the third barrel body 401 can move up and down, the screening rate of the solid raw materials inside the third barrel body 401 can be increased, and the screened large-particle solid raw materials can be discharged out of the third barrel body 401 through the waste discharge pipe 403, thereby facilitating the recycling of the large-particle solid raw materials.
A second handrail 407 is fixed at the center of the upper surface of the second barrel cover 406, a slot 408 for inserting the upper end of the third barrel body 401 is formed in the lower surface of the second barrel cover 406, the second barrel cover 406 is convenient to mount and dismount through the second handrail 407, and by arranging the second barrel cover 406, the emission of solid raw material smell in the third barrel body 401 can be reduced, and the environmental pollution can be reduced.
An annular supporting block 405 is fixed inside the third barrel body 401, and the screen 404 is movably placed on the upper surface of the supporting block 405, so that the screen 404 is detachably arranged, and the screen 404 with different mesh diameters can be conveniently replaced according to actual use requirements.
As shown in fig. 5, the second feeding assembly includes a second weighing barrel 5, the lower end of the first discharging pipe 402 is inserted into the upper end of the second weighing barrel 5, the lower end of the second weighing barrel 5 is provided with a second discharging pipe 502, an electromagnetic valve is installed on the second discharging pipe 502, the electromagnetic valve is set to be a valve body containing flow regulation, the discharging and discharging speed of the second weighing barrel 5 can be conveniently controlled, the second weighing barrel 5 is transparent, the outer wall of the second weighing barrel 5 is provided with second scale marks, the screened small-particle raw materials enter the second weighing barrel 5, the weight and the solid addition amount of the solids in the second weighing barrel 5 can be observed in real time through the second scale marks, and the quantitative addition of the solids can be conveniently carried out on the reaction kettle body 1.
As shown in fig. 5, the second weighing barrel 5 includes a second barrel body 501, the second barrel body 501 is a hollow cylinder, the upper end of the second barrel body 501 is provided with a feed inlet 10 for the first discharging pipe 402 to be inserted, the length of the first discharging pipe 402 inserted into the second barrel body 501 is at least 5CM, so that when the electric push rod 6 drives the third barrel body 401 to shake up and down, the lower end of the first discharging pipe 402 is always located inside the second barrel body 501.
As shown in fig. 3, each group of first feeding assemblies includes a first weighing barrel 3, the outer wall of the first weighing barrel 3 is connected with a connecting pipe 304 having an electromagnetic valve, the connecting pipes 304 on the two groups of first weighing barrels 3 are both connected with the side wall of the upper end of the reaction kettle body 1, and the two groups of first weighing barrels 3 are symmetrically arranged, the outer wall of the first weighing barrel 3 is provided with a first scale mark 305, the first weighing barrel 3 is transparent, when the liquid raw material is added, the liquid raw material is firstly added into the first weighing barrel 3, the volume of the liquid in the first weighing barrel 3 and the adding amount of the liquid added into the reaction kettle body 1 can be conveniently observed through the scale marks, the liquid raw material can be conveniently and quantitatively added, the liquid with corresponding volume can be added according to the actual use condition, the situation that the excessive adding of the liquid causes the recycling of the redundant liquid is avoided, different liquid raw materials can be quantitatively added simultaneously through the two first weighing barrels 3, thereby improving the convenience of adding the liquid raw materials.
First weighing bucket 3 includes first staving 301 and first bung 302, the last fixed surface of first bung 302 has first handrail 303, the recess that supplies the installation of second staving 501 is seted up to the lower surface of first bung 302, be convenient for dismantle and install first bung 302 through first handrail 303, thereby be convenient for to the interpolation of the inside liquid of first staving 301, the lower surface outer wall of connecting pipe 304 and the interior bottom parallel and level of first staving 301, mounting hole 11 that supplies two connecting pipes 304 to install is seted up to the lateral wall of reation kettle body 1, be convenient for carry the inside liquid of first staving 301 to reation kettle body 1's inside through connecting pipe 304.
As shown in fig. 4, the bracket 2 includes a supporting plate 201 and a fixing plate 202, the fixing plate 202 is vertically fixed on the lower surface of the supporting plate 201, one side of the fixing plate 202 is fixed to the outer wall of the reaction kettle body 1, a supporting rod 203 is obliquely arranged between the other side of the fixing plate 202 and the supporting plate 201, the first weighing bucket 3 is fixed on the upper surface of the supporting plate 201, and the bracket 2 is used for connecting and fixing the first weighing bucket 3 and the reaction kettle body 1.
As shown in fig. 5 and fig. 6, the internally mounted of reaction kettle body 1 has stirring assembly 9, stirring assembly 9 passes through the drive of motor 8, motor 8 is installed in the upper end of reaction kettle body 1, and the landing leg is installed to the lower extreme of reaction kettle body 1, stirring assembly 9 includes pivot 901, the interior bottom of reaction kettle body 1 is run through to the one end of pivot 901 and motor 8's output shaft, the outer wall and the reaction kettle body 1 rotation of pivot 901 lower extreme are connected, two sets of puddlers 902 are installed to the outer wall equidistance of pivot 901, every group puddler 902 is provided with a plurality of rectangle poles, angular distribution such as a plurality of rectangle poles is around pivot 901, the upper end of puddler 902 is the toper setting, it rotates to drive pivot 901 through motor 8, pivot 901 drives puddler 902 to remove, be convenient for stir the solid-liquid mixture of reaction kettle body 1 inside, accelerate solid-liquid mixture reaction rate.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a ternary precursor production system, includes reation kettle body (1), first feed assembly, screening subassembly (4) and second feed assembly, its characterized in that: the screening device comprises a reaction kettle body (1), wherein two groups of first feeding assemblies are arranged, the two groups of first feeding assemblies are respectively fixed on two sides of the reaction kettle body (1) through supports (2), the second feeding assembly is installed at the upper end of the reaction kettle body (1), the screening assembly (4) is installed above the second feeding assembly through four electric push rods (6), and a discharge pipe (7) with an electromagnetic valve is arranged on the outer wall of the reaction kettle body (1);
the screening assembly (4) comprises a third barrel body (401) and a second barrel cover (406), the second barrel cover (406) is movably inserted at the upper end of the third barrel body (401), a screen (404) is movably installed inside the third barrel body (401), a horn-shaped first discharging pipe (402) is arranged at the lower end of the third barrel body (401), the piston rod end of the electric push rod (6) is fixed with the lower end of the third barrel body (401), a waste discharging pipe (403) with an electromagnetic valve is communicated with the side wall of the third barrel body (401), and the waste discharging pipe (403) is located above the screen (404);
The second feeding assembly comprises a second weighing barrel (5), the lower end of the first discharging pipe (402) is connected to the upper end of the second weighing barrel (5) in an inserting mode, a second discharging pipe (502) is arranged at the lower end of the second weighing barrel (5), an electromagnetic valve is installed on the second discharging pipe (502), the second weighing barrel (5) is in a transparent arrangement, and second scale marks are arranged on the outer wall of the second weighing barrel (5).
2. The ternary precursor production system of claim 1, wherein: a second handrail (407) is fixed at the center of the upper surface of the second barrel cover (406), and a slot (408) for inserting the upper end of the third barrel body (401) is formed in the lower surface of the second barrel cover (406).
3. The ternary precursor production system of claim 1, wherein: an annular supporting block (405) is fixed inside the third barrel body (401), and the screen (404) is movably placed on the upper surface of the supporting block (405).
4. The ternary precursor production system of claim 1, wherein: the second weighing barrel (5) comprises a second barrel body (501), the second barrel body (501) is arranged in a hollow cylinder mode, a feeding hole (10) for inserting the first discharging pipe (402) is formed in the upper end of the second barrel body (501), and the length of the first discharging pipe (402) inserted into the second barrel body (501) is at least 5 CM.
5. The ternary precursor production system of claim 1, wherein: every group first feed assembly includes first scale bucket (3), the outer wall intercommunication of first scale bucket (3) has connecting pipe (304) that have the solenoid valve, and is two sets of connecting pipe (304) on first scale bucket (3) all communicate with reation kettle body (1) upper end lateral wall, and two sets of first scale bucket (3) are the symmetry and set up, the outer wall of first scale bucket (3) is provided with first scale mark (305), first scale bucket (3) are transparent setting.
6. The ternary precursor production system of claim 5, wherein: the first weighing barrel (3) comprises a first barrel body (301) and a first barrel cover (302), a first handrail (303) is fixed on the upper surface of the first barrel cover (302), a groove for installing the second barrel body (501) is formed in the lower surface of the first barrel cover (302), the outer wall of the lower surface of the connecting pipe (304) is flush with the inner bottom of the first barrel body (301), and a mounting hole (11) for installing the two connecting pipes (304) is formed in the side wall of the reaction kettle body (1).
7. The ternary precursor production system of claim 5, wherein: support (2) are including backup pad (201) and fixed plate (202), fixed plate (202) vertical fixation is at the lower surface of backup pad (201), one side of fixed plate (202) is fixed with the outer wall of reation kettle body (1), the slope is provided with bracing piece (203) between fixed plate (202) opposite side and backup pad (201), first weighing bucket (3) are fixed at the upper surface of backup pad (201).
8. The ternary precursor production system of claim 1, wherein: the inside mounting of reation kettle body (1) has stirring subassembly (9), stirring subassembly (9) pass through motor (8) drive, the upper end at reation kettle body (1) is installed in motor (8), just the landing leg is installed to the lower extreme of reation kettle body (1).
9. The ternary precursor production system of claim 8, wherein: stirring subassembly (9) include pivot (901), the inner bottom that interior bottom and motor (8) of reation kettle body (1) were run through to the one end of pivot (901) are connected, the outer wall and reation kettle body (1) of pivot (901) lower extreme rotate and are connected, two sets of puddler (902) are installed to the outer wall equidistance of pivot (901), and every group puddler (902) are provided with a plurality of rectangular poles, and angular distribution such as a plurality of rectangular poles is around pivot (901), the upper end of puddler (902) is the toper setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210413925.3A CN114749107A (en) | 2022-04-20 | 2022-04-20 | Ternary precursor production system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210413925.3A CN114749107A (en) | 2022-04-20 | 2022-04-20 | Ternary precursor production system |
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| CN114749107A true CN114749107A (en) | 2022-07-15 |
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| CN202210413925.3A Pending CN114749107A (en) | 2022-04-20 | 2022-04-20 | Ternary precursor production system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116328658A (en) * | 2023-05-23 | 2023-06-27 | 常州永邦干燥机械有限公司 | Feeding device and feeding method for lithium battery ternary material mixed production |
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| CN214416158U (en) * | 2020-12-24 | 2021-10-19 | 允发化工（上海）有限公司 | Pesticide mixing device for municipal garden maintenance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019042117A1 (en) * | 2017-08-28 | 2019-03-07 | 佛山市金银河智能装备股份有限公司 | Continuous efficient production process for lithium battery slurry |
| CN208616450U (en) * | 2018-08-09 | 2019-03-19 | 新余丽新涂料有限责任公司 | A kind of architectural latex coating production weighing storing unit |
| CN209612702U (en) * | 2018-10-30 | 2019-11-12 | 南京中赢纳米新材料有限公司 | Curing apparatus is used in a kind of modified onion carbon tube/epoxy resin composite material preparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116328658A (en) * | 2023-05-23 | 2023-06-27 | 常州永邦干燥机械有限公司 | Feeding device and feeding method for lithium battery ternary material mixed production |
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