CN210885340U - Continuous production equipment for nickel cobalt lithium manganate positive electrode material - Google Patents
Continuous production equipment for nickel cobalt lithium manganate positive electrode material Download PDFInfo
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- CN210885340U CN210885340U CN201920969783.2U CN201920969783U CN210885340U CN 210885340 U CN210885340 U CN 210885340U CN 201920969783 U CN201920969783 U CN 201920969783U CN 210885340 U CN210885340 U CN 210885340U
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Abstract
The utility model discloses a nickel cobalt lithium manganate cathode material's continuity production facility, the preheater that links to each other in proper order, the purification stove, ooze the lithium pond, atomizing granulator, the oxidation furnace, cyclone, the buffer tank, the washing tank, the desicator, with feeding, sintering, granulation, edulcoration, drying process integration in a set of equipment, the integrated level is high, artificial intervention is few, be favorable to realizing intelligent production, the preheater is equipped with first propulsion screw in, the purification stove is equipped with second propulsion screw in, between cyclone and the buffer tank, the buffer tank carries the material through the lifting machine respectively with the washing tank; the lithium is sintered by adopting a lithium infiltration mode of molten metal lithium, the lithium and precursor powder are uniformly contacted and mixed at an atomic level, and the lithium element in the sintered material is uniformly distributed, so that the chemical composition, the structure and the performance of the material can be improved, the performance of the ternary material can be favorably exerted, and the electrochemical performance of the prepared lithium battery can be obviously improved.
Description
Technical Field
The utility model relates to a nickel cobalt lithium manganate cathode material's continuity production facility.
Background
According to data of Ministry of industry and credibility, in 2018, production and marketing of new energy vehicles are finished by 127 ten thousand vehicles and 125.6 ten thousand vehicles respectively, the production and marketing are increased by 59.9 percent and 61.7 percent respectively in the same proportion, and the power battery industry is developed rapidly under the drive of the new energy vehicle industry.
The lithium ion battery is widely applied to power batteries due to the advantages of high platform voltage, high energy density, long cycle life, low self-discharge rate, no memory effect, environmental protection and the like. The nickel cobalt lithium manganate has high specific capacity, high energy density and power density, and the performance is stable, so that the nickel cobalt lithium manganate gradually becomes a mainstream positive material of a power battery.
The method comprises the steps of mechanically mixing a precursor material and a lithium source uniformly, placing the mixture in a roller kiln to be sintered at a high temperature after loading the mixture in a saggar, and carrying out high-temperature sintering to enable the mixture to react to generate the lithium nickel cobalt manganese oxide positive electrode material, wherein the static loading is adopted, the powder positioned in the saggar is not in sufficient contact with oxygen in the sintering process, the internal powder is difficult to be thoroughly oxidized, the performance of the positive electrode material is greatly influenced, and is particularly serious for a high-nickel material.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a nickel cobalt lithium manganate cathode material's continuity production facility.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a nickel cobalt lithium manganate anode material's continuity production facility, the preheater that links to each other in proper order, purification stove, ooze lithium pond, atomizing granulator, oxidation furnace, cyclone, buffer tank, washing tank, desicator, first propulsion screw rod is equipped with in the preheater, the second propulsion screw rod is equipped with in the purification stove, carry the material through the lifting machine respectively between cyclone and buffer tank, buffer tank and washing tank.
As a preferred item, the preheating furnace is divided into a temperature rising section and a constant temperature section, the first propelling screw is divided into a temperature rising propelling screw and a constant temperature propelling screw which rotate independently, and the constant temperature propelling screw can rotate forwards and backwards.
As a preferred item, the length ratio of the temperature rising section to the constant temperature section is 1 (1-5).
As a preferred item, the outer side of the lithium infiltration pool is provided with a heating device, and the inner side of the lithium infiltration pool is provided with a ceramic lining.
As a preferred item, the bottom of the atomization granulator is provided with a backflow pipe connected with the lithium infiltration tank, and a one-way valve is arranged between the atomization granulator and the oxidation furnace.
As a preferred item, an atomizing and granulating nozzle consisting of a large pipe and a small pipe is arranged at the top of the atomizing and granulating device, wherein the large pipe is used for introducing argon, and the small pipe is connected with the lithium infiltration pool and used for feeding the lithium nickel cobalt manganese oxide solution; the atomizing granulator is characterized in that a back-flushing nozzle is arranged below the atomizing granulator, a backflow air pipe I is arranged on the side edge of the bottom of the atomizing granulator, the large pipe, the back-flushing nozzle and the backflow air pipe I are connected with an air inlet pipe through pipelines, and a first air blower is arranged between the backflow air pipe I and the back-flushing nozzle.
As a preferred item, the side wall of the oxidation furnace is sequentially provided with an air outlet pipe and a backflow air pipe II from top to bottom, the air outlet pipe and the backflow air pipe II are connected with an oxygen pipe through air pipes, and a second air blower is arranged on a pipeline between the air outlet pipe and the backflow air pipe II.
As a preferred option, be provided with the stirring rake by the motor drive in the washing tank, be equipped with air inlet, inlet from last to having set gradually down on the lateral wall of washing tank top, the washing tank bottom is provided with the leakage fluid dram, be provided with the filter cloth above the leakage fluid dram.
As a preferred option, a heat exchanger I is arranged on the outer side of the cyclone separator, a heat exchanger II is arranged on the outer side of the dryer, and the heat exchanger II is connected with the heat exchanger I through a pipeline and is provided with a centrifugal pump.
The utility model has the advantages that:
1. the utility model discloses a lithium mode sintering is oozed to molten metal lithium, and lithium and precursor powder realize the contact mixing of atomic level, and the inside lithium element of sintered material distributes evenly, is favorable to improving the inside uniformity of material, can improve chemical composition, structure and the performance of material, is favorable to the performance of ternary material performance, can obviously improve the lithium cell electrochemical properties who makes.
2. The utility model discloses a mode continuous type production of spray granulation, with feeding, sintering, granulation, edulcoration, drying process integration in one set of equipment, the integrated level is high, and artificial intervention is few, is favorable to realizing intelligent production, and the uniformity degree is high between different batch products.
3. The prepared material has high sphericity and high tap density, and is favorable for improving the specific capacity of the material. Meanwhile, the method can realize rapid, large-batch and continuous production, and has low production energy consumption and high efficiency.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of a continuous production apparatus of the present invention;
FIG. 2 is a schematic view of a preheating furnace according to the present invention;
FIG. 3 is a schematic view of the lithium-infiltrated cell of the present invention.
Detailed Description
Referring to fig. 1-3, a continuous production device of a nickel cobalt lithium manganate positive electrode material sequentially comprises a preheating furnace 1, a purifying furnace 2, a lithium infiltration tank 3, an atomization granulator 4, an oxidation furnace 5, a cyclone separator 6, a buffer tank 7, a cleaning tank 8 and a dryer 9.
The preheating furnace 1 is provided with a first propelling screw 13 driven by a motor, the preheating furnace 1 is divided into a temperature rising section 11 and a constant temperature section 12, the first propelling screw 13 is divided into a temperature rising propelling screw 131 and a constant temperature propelling screw 132 which rotate independently, the length ratio of the temperature rising section 11 to the constant temperature section 12 is 1 (1-5), the temperature rising propelling screw 131 in the temperature rising section 11 and the constant temperature propelling screw 132 in the constant temperature section are driven by a first driving motor 101 and a second driving motor 102 respectively, the first driving motor 101 and the second driving motor 102 are independent from each other, so that the temperature rising propelling screw 131 and the constant temperature propelling screw 132 rotate independently from each other, and the second driving motor 102 driving the constant temperature propelling screw 132 can select a servo motor, so that the constant temperature propelling screw 132 realizes forward rotation and reverse rotation.
The feed inlet of the purifying furnace 2 is connected with the discharge outlet of the preheating furnace 1, the discharge outlet of the purifying furnace 2 is connected with the feed inlet of the lithium infiltration pool 3, a second propelling screw 14 driven by a motor is arranged in the purifying furnace 2, and the purifying furnace 2 is provided with an air inlet for introducing argon and an exhaust port for discharging argon.
The lithium infiltration tank 3 is a high temperature resistant closed container, the liquid inlet pipe mouth of the lithium infiltration tank 3 is lower than the liquid level, the outer side of the lithium infiltration tank 3 is provided with a heating device 31, and the inner side of the lithium infiltration tank 3 is provided with a ceramic lining 32.
The top of the atomizing granulator 4 is provided with an atomizing granulation nozzle 41 which is formed by sleeving a large pipe 401 with a small pipe 402, the large pipe 401 is used for introducing argon, and the small pipe 402 is connected with the lithium infiltration pool 3 and is used for feeding the lithium nickel cobalt manganese oxide solution; a recoil spray head 42 is arranged below the atomizing and granulating spray head 41, a backflow air pipe I43 is arranged on the side edge of the bottom of the atomizing and granulating spray head 4, a large pipe 401, the recoil spray head 42 and the backflow air pipe I43 of the atomizing and granulating spray head 41 are mutually connected with an air inlet pipe 44 through air pipes, and a first air blower 46 is arranged between the backflow air pipe I43 and the recoil spray head 42; the bottom of the atomizing granulator 4 is provided with a return pipe 45, and the return pipe 45 is connected with a return port of the lithium infiltration tank 3; the discharge hole at the top of the atomizing granulator 4 is connected with the feed inlet of the oxidation furnace 5.
A check valve 404 is arranged between the feed inlet of the oxidation furnace 5 and the discharge outlet of the atomizing granulator 4; an air outlet pipe 51 and a return air pipe II 52 are sequentially arranged on the side wall of the oxidation furnace 5 from top to bottom, the air outlet pipe 51 and the return air pipe II 52 are connected with an oxygen pipe through air pipes, and a second air blower 53 is arranged between the air outlet pipe 51 and the return air pipe II 52; the discharge hole at the top of the oxidation furnace 5 is connected with the feed inlet of the cyclone separator 6.
A heat exchanger I61 is arranged on the outer side of the cyclone separator 6, solid materials obtained by the cyclone separator 6 are conveyed to the buffer tank 7 through the hoister 10, and materials collected by the buffer tank 7 are conveyed into the cleaning tank 8 through the hoister 10.
Be provided with the stirring rake 81 by motor drive in the washing tank 8, from last air inlet 83, inlet 84 to being equipped with in proper order down on the lateral wall of washing tank 8 top, be provided with leakage fluid dram 85 in washing tank 8 bottom, be provided with filter cloth 82 above leakage fluid dram 85, the discharge gate of washing tank 8 links to each other with shower nozzle 91 at desicator 9 top.
The outer side of the dryer 9 is provided with a heat exchanger II 92, the heat exchanger II 92 and the heat exchanger I61 are in pipeline connection and are provided with a centrifugal pump (93), and a discharge hole of the dryer 9 is formed in the bottom of the dryer 9.
The following will describe the production method of a lithium nickel cobalt manganese oxide positive electrode material in detail with reference to the examples.
Example 1:
the embodiment provides a production method of a lithium nickel cobalt manganese oxide positive electrode material, which adopts the continuous production equipment of the lithium nickel cobalt manganese oxide positive electrode material, and comprises the following steps:
(1) particle diameter D50Putting 8 μm Ni-Co-Mn hydroxide into the feed inlet of a preheating furnace, preheating to 850 deg.C, staying for 5 hr, and heating the advance screw of the heating section 11 in the preheating furnace 1131 drive the materials to the constant temperature section 12, the constant temperature propelling screw 132 of the constant temperature section 12 rotates reversely for 8min after rotating positively for 10min, the rotating speed is 5r/min, and the preheated nickel, cobalt and manganese hydroxide enters the purifying furnace 2.
(2) Opening a feeding valve of the purifying furnace 2, closing a gas inlet, a gas outlet and a discharge port valve, pushing the nickel-cobalt-manganese hydroxide into the purifying furnace 2 by a constant-temperature pushing screw 132 of the preheating furnace 1 at a rotating speed of 60r/min, and closing a feeding port valve of the purifying furnace 2; a second pushing screw 14 of the purifying furnace 2 pushes the nickel-cobalt-manganese hydroxide to move towards the discharge hole at the speed of 10r/min, valves of the gas inlet and the gas outlet are opened, argon is introduced, and after the concentration of the argon in the purifying furnace 2 is not lower than 99.95%, the gas inlet and the gas outlet are closed for purification; after the purification is finished, the discharge port is opened, the two pushing screws 14 are controlled to push the materials to move towards the discharge port at 60r/min, and the temperature in the furnace is controlled to be kept at 850 ℃.
(3) And (3) the nickel-cobalt-manganese hydroxide enters a lithium infiltration pool 3, molten simple substance lithium is continuously contained in the lithium infiltration pool 3, the temperature of the lithium infiltration pool 3 is 850 ℃, the retention time of the nickel-cobalt-manganese hydroxide is controlled to be 15h, and the nickel-cobalt-manganese lithium solution is obtained.
(4) Introducing argon gas into the atomizing granulator 4, controlling the concentration of the argon gas in the atomizing granulator 4 to be not less than 99.95%, closing the argon gas, starting a first air blower 46 of the atomizing granulator 4, enabling the lithium nickel cobalt manganese oxide solution to enter through a small pipe 402 of an atomizing particle spray head 41, simultaneously spraying high-pressure air flow through a large pipe 401 of the atomizing particle spray head 41 and a recoil spray head 42 to carry out atomizing granulation, controlling the temperature of the atomizing granulator 4 to be 800 ℃, and controlling the retention time of lithium nickel cobalt manganese oxide particles to be 20 s.
(5) The nickel cobalt lithium manganate particles enter an oxidation furnace 5 for oxidation, the oxygen concentration in the oxidation furnace 5 is controlled to be not less than 99.9 percent, the temperature of the oxidation furnace 5 is controlled to be 750 ℃, and the retention time of the particles is 20 s.
(6) And the oxidized lithium nickel cobalt manganese oxide particles enter a cyclone separator 6 for cooling and separation, and the solid lithium nickel cobalt manganese oxide particles are collected at the bottom of the cyclone separator 6 and are conveyed to a buffer tank 7 through a lifter 10.
(7) When the solid nickel cobalt lithium manganate particles in the buffer tank 7 are accumulated to a preset value, closing a feed port valve of the cleaning tank 8, opening a liquid inlet valve, adding 75% of water by volume into the cleaning tank 8, opening a lifter, adding the solid nickel cobalt lithium manganate particles in the buffer tank 7 into the cleaning tank 8 with a solid-to-liquid ratio of 1:2, opening a stirring paddle 81, controlling the rotating speed to be 300r/min, stirring for 20min, opening a liquid outlet 85 and an air inlet 83 valve, evacuating the water in the cleaning tank 8 by using the pressure of compressed air, and repeatedly cleaning for many times until the pH value of the discharged water is less than 9.5.
(8) Closing valves of a feed inlet, a liquid outlet 85 and a liquid inlet 84 of the cleaning tank 8, opening a discharge outlet of the cleaning tank 8, conveying the solution into the dryer 9 under pressure, spraying the solution out through an atomizing nozzle 91 of the dryer 9, controlling the temperature of the dryer 9 to be 120 ℃, keeping the residence time of particles to be 30s, obtaining the lithium nickel cobalt manganese oxide anode material by a cooling cyclone separation heat exchanger 61 as a heat source of the dryer 9, and drying to obtain the lithium nickel cobalt manganese oxide anode material.
Example 2:
the embodiment provides a production method of a lithium nickel cobalt manganese oxide positive electrode material, which adopts the continuous production equipment of the lithium nickel cobalt manganese oxide positive electrode material, and comprises the following steps:
(1) particle diameter D50Putting 15 mu m of nickel-cobalt-manganese hydroxide into a feed inlet of a preheating furnace 1, preheating to 950 ℃, keeping the temperature for 10 hours, driving the material to a constant temperature section 12 by a heating propulsion screw 131 of a heating section 11 in the preheating furnace 1, reversing for 5 minutes after the constant temperature propulsion screw 132 of the constant temperature section 12 rotates forwards for 10 minutes, and allowing the preheated nickel-cobalt-manganese hydroxide to enter a purifying furnace 2, wherein the rotating speed is 10 r/min.
(2) Opening a feeding valve of the purifying furnace 2, closing a gas inlet, a gas outlet and a discharge port valve, pushing the nickel-cobalt-manganese hydroxide into the purifying furnace 2 by a constant-temperature pushing screw 132 of the preheating furnace 1 at a rotating speed of 300r/min, and closing a feeding port valve of the purifying furnace 2; pushing a screw of the purifying furnace 2 to push the nickel-cobalt-manganese hydroxide to move towards a discharge hole at 300r/min, opening valves of an air inlet and an air outlet, introducing argon, and closing the air inlet and the air outlet to purify after the concentration of the argon in the purifying furnace 2 is not lower than 99.98%; after the purification is finished, the discharge port is opened, the pushing screw of the purifying furnace 2 is controlled to push the material to move towards the discharge port at 300r/min, and the temperature in the furnace is controlled to be kept at 950 ℃.
(3) And (3) the nickel-cobalt-manganese hydroxide enters a lithium infiltration pool 3, molten simple substance lithium is continuously filled in the lithium infiltration pool 3, the temperature of the lithium infiltration pool 3 is 950 ℃, the retention time of the nickel-cobalt-manganese hydroxide is controlled to be 3h, and the nickel-cobalt-manganese lithium solution is obtained.
(4) Introducing argon gas into the atomizing granulator 4, controlling the concentration of the argon gas in the atomizing granulator 4 to be not less than 99.98%, closing the argon gas, starting a first air blower 46 of the atomizing granulator 4, enabling the lithium nickel cobalt manganese oxide solution to enter through a small pipe 402 of an atomizing particle spray head 41, simultaneously spraying high-pressure air flow through a large pipe 401 of the atomizing particle spray head 41 and a recoil spray head 42 to carry out atomizing granulation, controlling the temperature of the atomizing granulator 4 to be 900 ℃, and enabling the lithium nickel cobalt manganese oxide particles to stay for 10 s.
(5) Oxygen is fed into an oxidation furnace 5 for nickel cobalt lithium manganate particles, the concentration of the oxygen in the oxidation furnace 5 is controlled to be not less than 99 percent, the temperature of the oxidation furnace 5 is controlled to be 850 ℃, and the residence time of the particles is 10 s.
(6) And the oxidized lithium nickel cobalt manganese oxide particles enter a cyclone separator 6 for cooling and separation, and the solid lithium nickel cobalt manganese oxide particles are collected at the bottom of the cyclone separator 6 and are conveyed to a buffer tank 7 through a lifter 10.
(7) When the solid nickel cobalt lithium manganate particles in the buffer tank 7 are accumulated to a preset value, closing a feed port valve of the cleaning tank 8, opening a liquid inlet valve, adding 50% of water by volume into the cleaning tank 8, opening a lifting machine, adding the solid nickel cobalt lithium manganate particles in the buffer tank 7 into the cleaning tank 8 with a solid-to-liquid ratio of 1:10, opening a stirring paddle 81, controlling the rotating speed to be 60r/min, stirring for 60min, opening a liquid outlet 85 and an air inlet 83 valve, evacuating water in the cleaning tank 8 by using the pressure of compressed air, and repeatedly cleaning for many times until the pH value of the discharged water is less than 8.
(8) Closing valves of a feed inlet, a liquid outlet 85 and a liquid inlet 84 of the cleaning tank 8, opening a discharge outlet of the cleaning tank 8, conveying the solution into the dryer 9 under pressure, spraying the solution out through an atomizing nozzle 91 of the dryer 9, controlling the temperature of the dryer 9 to be 105 ℃, keeping the residence time of particles to be 120s, obtaining the lithium nickel cobalt manganese oxide anode material by a cooling cyclone separation heat exchanger 61 as a heat source of the dryer 9, and drying to obtain the lithium nickel cobalt manganese oxide anode material.
Comparative example
Weighing 1000g of nickel cobalt manganese hydroxide (the proportion of nickel cobalt manganese elements is the same as that in application example 1), adding 442g of lithium carbonate, carrying out ball milling for 5h, containing the mixed powder in a sagger, conveying the sagger to a traditional roller kiln, and sintering at 850 ℃ for 15h to obtain the nickel cobalt manganese oxide prepared by the solid phase method.
And (3) performance detection: the lithium nickel cobaltate prepared in the application example 1 and the comparative example was used as a positive electrode and metallic lithium was used as a negative electrode, respectively, to assemble a battery, and a first discharge test was performed at a 1C rate. The result shows that under the rate of 1C, the first discharge specific capacity of the nickel cobalt lithium manganate positive electrode material of the embodiment is higher than that of the traditional sagger roller kiln sintering method, the specific capacity of the comparative example 1 is 182.5mAh/g, and the specific capacity of the comparative example is only 168.7 mAh/g.
The charge-discharge cycle test was performed 500 times at a 1C rate. The result shows that the specific capacity of the power type nickel cobalt lithium manganate positive electrode material of the embodiment is higher than that of the conventional sagger roller kiln sintering method after 500 cycles, the capacity retention rate of the embodiment 1 is 85.6%, and the capacity retention rate of the comparative example is only 74.7%.
According to the above principle, the present invention can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a nickel cobalt lithium manganate cathode material's continuity production facility, its characterized in that, consecutive preheater (1), purification furnace (2), ooze lithium pond (3), atomizing granulator (4), oxidation furnace (5), cyclone (6), buffer tank (7), washing tank (8), desicator (9), first propulsion screw rod (13) are equipped with in preheater (1), second propulsion screw rod (14) are equipped with in purification furnace (2), between cyclone (6) and buffer tank (7), respectively through lifting machine (10) transport material between buffer tank (7) and washing tank (8).
2. The continuous production equipment of the nickel cobalt lithium manganate positive electrode material of claim 1, characterized in that, the preheating furnace (1) is divided into a temperature raising section (11) and a constant temperature section (12), the first propelling screw (13) is divided into a temperature raising propelling screw (131) and a constant temperature propelling screw (132) which rotate independently, and the constant temperature propelling screw (132) can rotate forward and backward.
3. The continuous production equipment of the nickel cobalt lithium manganate positive electrode material as set forth in claim 2, characterized in that the length ratio of said temperature raising section (11) to said constant temperature section (12) is 1 (1-5).
4. The continuous production equipment of the nickel cobalt lithium manganate cathode material as set forth in claim 1, characterized in that a heating device (31) is arranged outside said lithium infiltration tank (3), and a ceramic lining (32) is arranged inside said lithium infiltration tank (3).
5. The continuous production equipment of the nickel cobalt lithium manganate positive electrode material as set forth in claim 1, characterized in that a backflow pipe (45) connected with said lithium infiltration tank (3) is arranged at the bottom of said atomizing granulator (4), and a check valve (404) is arranged between said atomizing granulator (4) and said oxidation furnace (5).
6. The continuous production equipment of the lithium nickel cobalt manganese oxide positive electrode material according to claim 1 or 5, characterized in that an atomizing and granulating nozzle (41) consisting of a large pipe (401) and a small pipe (402) is arranged at the top of the atomizing and granulating device (4), the large pipe (401) is used for introducing argon, and the small pipe (402) is connected with the lithium infiltration tank (3) and used for feeding lithium nickel cobalt manganese oxide solution; the lower part of atomizing granulation shower nozzle (41) is equipped with recoil shower nozzle (42), atomizing granulation ware (4) bottom side is equipped with backflow trachea I (43), big pipe (401), recoil shower nozzle (42), backflow trachea I (43) are connected with intake pipe (44) through the pipeline, backflow trachea I (43) with be provided with first air-blower (46) between recoil shower nozzle (42).
7. The continuous production equipment of the nickel cobalt lithium manganate cathode material of claim 1 or 5, characterized in that, the side wall of the oxidation furnace (5) is provided with an air outlet pipe (51) and a return air pipe II (52) from top to bottom in sequence, the air outlet pipe (51) and the return air pipe II (52) are connected with an oxygen pipe through an air pipe, and a second air blower (53) is arranged on a pipeline between the air outlet pipe (51) and the return air pipe II (52).
8. The continuous production equipment of the nickel cobalt lithium manganate positive electrode material as claimed in claim 1, wherein a motor-driven stirring paddle (81) is disposed in the cleaning tank (8), an air inlet (83) and an liquid inlet (84) are sequentially disposed on the sidewall of the top of the cleaning tank (8) from top to bottom, a liquid outlet (85) is disposed at the bottom of the cleaning tank (8), and a filter cloth (82) is disposed above the liquid outlet (85).
9. The continuous production equipment of the nickel cobalt lithium manganate positive electrode material as set forth in claim 1, characterized in that a heat exchanger I (61) is arranged outside the cyclone separator (6), a heat exchanger II (92) is arranged outside the dryer (9), and the heat exchanger II (92) is connected with the heat exchanger I (61) through a pipeline and provided with a centrifugal pump (93).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282664A (en) * | 2019-06-25 | 2019-09-27 | 广东邦普循环科技有限公司 | A kind of production method and consecutive production equipment of nickel-cobalt lithium manganate cathode material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282664A (en) * | 2019-06-25 | 2019-09-27 | 广东邦普循环科技有限公司 | A kind of production method and consecutive production equipment of nickel-cobalt lithium manganate cathode material |
| CN110282664B (en) * | 2019-06-25 | 2024-05-10 | 广东邦普循环科技有限公司 | Production method and continuous production equipment of nickel cobalt lithium manganate anode material |
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