CN109534370B - Battery grade lithium carbonate crude product stirring and washing device - Google Patents
Battery grade lithium carbonate crude product stirring and washing device Download PDFInfo
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- CN109534370B CN109534370B CN201811458308.5A CN201811458308A CN109534370B CN 109534370 B CN109534370 B CN 109534370B CN 201811458308 A CN201811458308 A CN 201811458308A CN 109534370 B CN109534370 B CN 109534370B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/08—Carbonates; Bicarbonates
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- 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
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- Inorganic Chemistry (AREA)
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Abstract
The invention discloses a battery-level lithium carbonate crude product stirring and washing device, which relates to the technical field of lithium carbonate production equipment, and comprises a stirring and washing tank, wherein a raw material inlet communicated with the stirring and washing tank is arranged on the side surface of the stirring and washing tank, a stirring rod is vertically arranged in the stirring and washing tank, a stirring impeller is fixedly arranged at the upper end of the stirring rod, a speed reducer and a motor are fixedly arranged at the lower end of the stirring and washing tank, the lower end of the stirring rod penetrates through the stirring and washing tank, the stirring rod is driven by the speed reducer and the motor to rotate, a foam absorbing mechanism capable of absorbing foam in the stirring and washing tank is further arranged on the stirring and washing tank, a water storage cylinder is arranged on the side surface of the stirring and washing tank, the water storage cylinder is communicated with the stirring and washing tank through a pipeline, and a water inlet is arranged on the water storage cylinder; the invention has simple structure, can effectively remove various carbonate and sulfate impurities such as potassium, sodium, calcium, magnesium and the like in lithium carbonate, can effectively remove foam generated in the stirring and washing process, and avoids overflow grooves caused by excessive foam, so that the production process can be continuously carried out.
Description
Technical Field
The invention relates to the technical field of lithium carbonate production equipment, in particular to a battery-grade lithium carbonate crude product stirring and washing device.
Background
In the production process of battery grade lithium carbonate, after the lithium carbonate crude product is produced, mother liquor adsorbed on the surface of lithium carbonate and various soluble impurities adsorbed on the surface, such as various carbonate and sulfate impurities of potassium, sodium, calcium, magnesium and the like, are removed by stirring and washing the lithium carbonate crude product. In order to ensure better impurity removal effect and reduce dissolution of lithium carbonate (utilizing the property of lithium carbonate that solubility decreases with temperature), steam condensate water and desalted water are generally adopted to be stirred at high speed in a stirring tank with steam heating. However, in the actual production process, dense and stable foam is often generated during stirring and washing, and a large number of fine lithium carbonate crystals are adsorbed on the surface of the foam and the solution, so that the foam is difficult to eliminate, the stirring and washing process has to be stopped, otherwise, foam overflow grooves are caused, and hidden danger is brought to personal safety and equipment safety.
No effective solution to the elimination or reduction of such foam has been found to date, but production is maintained by reducing the amount of agitation in the agitation tank. This results in a disturbed throughput and an inability to produce in an automated, continuous, stable manner.
Disclosure of Invention
The invention aims at: the invention provides a stirring and washing device for a battery-grade lithium carbonate crude product, which aims to solve the problems of potential safety hazards and the like caused by foam generated in the stirring and washing process of the battery-grade lithium carbonate.
The invention adopts the following technical scheme for realizing the purposes:
the utility model provides a battery level lithium carbonate crude stirring and washing device, includes the stirring and washing tank, the stirring and washing tank side is provided with the raw materials entry with stirring and washing tank intercommunication, the vertical puddler that is provided with in the stirring and washing tank, the fixed stirring impeller that is provided with in upper end of puddler, the fixed speed reducer and the motor that are provided with in stirring and washing tank lower extreme, the stirring and washing tank is run through to the lower extreme of puddler, the puddler rotates under the drive of speed reducer and motor, still be provided with the foam sucking mechanism that can suck the foam in the stirring and washing tank on the stirring and washing tank, the stirring and washing tank side is provided with the water storage jar, the water storage jar with the stirring and washing tank passes through the pipeline intercommunication, be provided with water inlet and gas vent on the water storage jar.
Through set up foam sucking mechanism on stirring the washing tank, let the foam that stirs the washing tank in can be under the foam sucking mechanism effect with the foam that stirs the washing tank and produce, avoid the foam to spill out of stirring the washing tank.
Working principle: the method comprises the steps of injecting steam condensate into a water storage tank from a water inlet, heating the steam condensate in the water storage tank by steam, enabling the steam condensate to reach a preset temperature, enabling the steam condensate in the water storage tank to enter a stirring tank through a pipeline for stirring, injecting a battery-level lithium carbonate crude product into the stirring tank through a raw material inlet for stirring, removing potassium, sodium, calcium and magnesium in the battery-level lithium carbonate crude product and various soluble impurities such as carbonate and sulfate, improving the purity of the battery-level lithium carbonate, fixing a foam absorbing disc of a vacuum foam absorbing device on the upper portion of the stirring tank, enabling the height of the foam absorbing disc to be consistent with the liquid level in a normal stirring tank, enabling foam generated in the stirring process to enter the foam absorbing disc through a suction hole in the lower surface of the foam absorbing disc, sequentially passing through a foam storage tank and a foam remover, and finally discharging gas in the foam from an outlet of the vacuum pump, wherein solid impurities, liquid impurities and the lithium carbonate crude product are stored in the foam storage tank and recycled.
Further, the foam absorbing mechanism comprises a foam absorbing disc, a connecting pipe, a foam storing tank, a foam remover and a vacuum pump, wherein the foam absorbing disc is of a hollow structure, a plurality of suction holes are uniformly formed in the lower surface of the foam absorbing disc, an opening communicated with the hollow structure inside the foam absorbing disc is formed in the upper surface of the foam absorbing disc, and the opening is sequentially connected with the foam storing tank, the foam remover and the vacuum pump through the connecting pipe.
Further: the top of storing up the foam jar is provided with two intercommunication mouthfuls, the trompil of inhaling the foam dish and the entrance point of the foam remover are connected respectively to two intercommunication mouthfuls, and connect the connecting pipe of inhaling the foam dish and storing up the foam jar and stretch into the bottom of storing up the foam jar, the bottom of storing up the foam jar is provided with the material taking mouth, and the material taking mouth position is provided with the drain valve, the top of storing up the foam jar is still fixedly provided with exhaust duct, is provided with the valve that can the switching exhaust duct pipeline on the exhaust duct.
Further, the demister comprises a shell, a grid plate and a packing layer are sequentially arranged in the shell from top to bottom, the shell is an upper shell and a lower shell which are arranged in a separated mode, and the upper shell and the lower shell are fixed through a sealing ring and a flange.
Further, a valve capable of opening and closing a connecting pipe line is fixedly connected to the connecting pipe.
Further, a liquid outlet communicated with the stirring and washing tank is formed in the lower end face of the stirring and washing tank, a water outlet communicated with the water storage tank is formed in the side face of the water storage tank, and the water outlet is communicated with the stirring and washing tank through a pipeline. Let the water storage jar pass through the pipeline intercommunication with stirring the wash bowl, the maintenance of the equipment of being convenient for, can be convenient for maintain through setting up the valve on the connecting tube of water storage jar or stirring the wash bowl when water storage jar or stirring the wash bowl and need maintain, mode easy dismounting through the pipe connection.
Further, the top end of the stirring and washing tank is provided with an air inlet communicated with the stirring and washing tank, and a U-shaped pipe with one end communicated with the air inlet is arranged at the air inlet. Through set up U type pipe in the air inlet department of stirring groove to the required air of supplementary vacuum pump suction, simultaneously, the export of its U type pipe is not vertical up, just so avoids other impurity in the air to fall into stirring groove from the pipeline the inside, influences stirring effect.
Further, the water storage cylinder is arranged to be of a double-layer structure formed by an inner cylinder and an outer cylinder, a closed cavity is formed between the inner cylinder and the outer cylinder, a steam inlet and a steam outlet are arranged on the outer cylinder, and the steam inlet and the steam outlet are communicated with the cavity.
The beneficial effects of the invention are as follows:
1. the invention has simple structure, can effectively remove various carbonate and sulfate impurities such as potassium, sodium, calcium, magnesium and the like in lithium carbonate, can effectively remove foam generated in the stirring and washing process, and avoids overflow grooves caused by excessive foam, so that the production process can be continuously carried out.
2. Through set up foam sucking mechanism on stirring the washing tank, let the foam that stirs the washing tank in can be under the foam sucking mechanism effect with the foam that stirs the washing tank and produce, avoid the foam to spill out of stirring the washing tank.
3. The condensed water for stirring and washing can be heated by arranging the water storage cylinder with the jacket, so that the carbon dioxide and other gases dissolved in the water can be eliminated, and the generation amount of bubbles in the stirring and washing process can be reduced. 3. Through setting up the stirring groove into bilayer structure, let steam can form inclosed cavity through between the inner cylinder and the outer jar of stirring groove to play the effect of heating stirring inslot liquid, the liquid temperature in the stirring groove can be controlled through the pressure of the external steam of control, and it is fast to heat up moreover, and temperature control is accurate, has improved battery level lithium carbonate crude and has stirred washing efficiency and quality.
4. Let the water storage jar pass through the pipeline intercommunication with stirring the wash bowl, the maintenance of the equipment of being convenient for, can be convenient for maintain through setting up the valve on the connecting tube of water storage jar or stirring the wash bowl when water storage jar or stirring the wash bowl and need maintain, mode easy dismounting through the pipe connection.
5. Through set up U type pipe in the air inlet department of stirring groove to the required air of supplementary vacuum pump suction, simultaneously, the export of its U type pipe is not vertical up, just so avoids other impurity in the air to fall into stirring groove from the pipeline the inside, influences stirring effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the foam sucking mechanism in FIG. 1;
fig. 3 is a bottom view of the foam tray in the foam suction mechanism.
Reference numerals: 1-stirring tank, 2-liquid outlet, 3-stirring impeller, 4-stirring rod, 5-speed reducer, 6-motor, 7-foam sucking mechanism, 701-foam sucking disc, 702-connecting pipe, 703-foam storage tank, 704-foam remover, 705-vacuum pump, 706-suction hole, 707-connecting end, 708-material taking hole, 709-drain valve, 710-heating layer, 711-flexible elbow, 712-connecting hole, 713-shell, 8-water storage cylinder, 9-water inlet, 10-cavity, 11-air outlet, 12-water outlet and 13-raw material inlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 3, this embodiment provides a battery-level lithium carbonate crude product stirring and washing device, which comprises a stirring tank 1, wherein a raw material inlet 13 communicated with the stirring tank 1 is arranged on the side surface of the stirring tank 1, a stirring rod 4 is vertically arranged in the stirring tank 1, a stirring impeller 3 is fixedly arranged at the upper end of the stirring rod 4, a mounting hole in interference fit with the stirring rod 4 is arranged on the hub of the stirring impeller 3, the stirring rod 4 is in interference fit with the mounting hole, a speed reducer 5 and a motor 6 are arranged at the lower end of the stirring tank 1, the speed reducer 5 is fixedly connected with the stirring tank 1 through screws, a rotating shaft of the motor 6 is fixedly connected with an input shaft of the speed reducer 5 through a coupling, a shell of the motor 6 is fixedly connected with the speed reducer 5 through bolts, the lower end of the stirring rod 4 penetrates through the stirring tank 1, the lower extreme of puddler 4 passes through shaft coupling fixed connection with the output shaft of speed reducer 5 and motor 6, still be provided with on the stirring groove 1 and inhale foam mechanism 7 that can inhale the foam in the stirring groove 1, stirring groove 1 side is provided with water storage jar 8, water storage jar 8 with stirring groove 1 passes through the pipeline intercommunication, be provided with water inlet 9 and gas vent 11 on the water storage jar 8, gas vent 11 is fixed to be set up in the upper end of water storage jar 8 for the gas in the discharge water storage jar 8, water storage jar 8 sets up to the bilayer structure that inner cylinder and outer jar constitute, forms inclosed cavity 10 between inner cylinder and the outer jar, is provided with steam inlet and steam outlet on the outer jar, steam inlet and steam outlet all with cavity 10 switch-on.
The foam absorbing mechanism 7 comprises a foam absorbing disc 701, a connecting pipe 702, a foam storage tank 703, a foam remover 704 and a vacuum pump 705, wherein the foam absorbing disc 701 is of a hollow structure, a plurality of suction holes 706 are uniformly formed in the lower surface of the foam absorbing disc 701, an opening communicated with the hollow structure in the foam absorbing disc 701 is formed in the upper surface of the foam absorbing disc 701, and the opening is sequentially connected with the foam storage tank 703, the foam remover 704 and the vacuum pump 705 through the connecting pipe 702.
The top of the foam storage tank 703 is provided with two communication ports 712, the trompil of foam absorption disk 701 and the entrance point of foam remover 704 are connected respectively to two communication ports 712, and the connecting pipe 702 that connects foam absorption disk 701 and foam storage tank 703 stretches into the bottom of foam storage tank 703, and the bottom of foam storage tank 703 is provided with gets material mouth 708, and gets material mouth 708 position and is provided with drain valve 709. The foam sucked from the foam suction disc 701 is firstly conveyed to the bottom of the foam storage tank 703 by the connecting pipe 702, solid particles adhered to the foam are adhered to the solid-liquid mixture by contacting with the solid-liquid mixture in the foam storage tank 703, further gas-solid separation is realized, the separated gas is sucked from the upper part of the foam storage tank 703, an exhaust pipeline is fixedly arranged at the top end of the foam storage tank 703, a valve capable of opening and closing the pipeline of the exhaust pipeline is arranged on the exhaust pipeline, when the foam in the foam storage tank 703 is small, the vacuum pump 705 is closed, the valve is opened to directly discharge the gas, and the residual material is discharged from the material taking port 708.
The heating layer 710 is coated outside the foam storage tank 703, the heating layer 710 is a hollow sleeve, the upper and lower ends of the hollow sleeve are respectively provided with an outlet and an inlet, and hot water is injected from the inlet at the lower end or heated hot air is introduced.
The demister 704 comprises a housing 713, wherein a grid plate and a packing layer are sequentially arranged inside the housing 713 from top to bottom, the housing 713 is an upper housing and a lower housing which are arranged in a separated mode, and the upper housing and the lower housing are fixed through a sealing ring and a flange. The demister 704 is used for further adsorbing product particles, destroying gas foam, releasing gas from the air pump outlet, and preventing air pollution, and the housing 713 of the demister 704 is detachably arranged, so that cleaning and maintenance are facilitated.
The foam absorbing disc 701 with a hollow structure is formed integrally or is formed in a detachable mode.
The foam tray 701 is circular or rectangular.
The open hole of the upper surface of the foam absorbing plate 701 is provided with a convex connecting end 707, and the connecting end 707 and the foam absorbing plate 701 are integrally formed.
The connecting pipe 702 is generally a rigid stainless steel pipe, so that the foam absorbing disc 701 can move more flexibly, and the embodiment is further adjusted based on the embodiment 2, specifically: a flexible elbow 711 is arranged between the connecting end 707 on the upper surface of the foam absorbing plate 701 and the connecting pipe 702, two ends of the flexible elbow 711 are respectively fixed with the connecting end 707 and the connecting pipe 702 through flanges, and a valve capable of opening and closing a pipeline of the connecting pipe 702 is fixedly connected to the connecting pipe 702.
Example 2
As shown in fig. 1 to 3, this embodiment provides a battery-level lithium carbonate crude product stirring and washing device, which comprises a stirring tank 1, wherein a raw material inlet 13 communicated with the stirring tank 1 is arranged on the side surface of the stirring tank 1, a stirring rod 4 is vertically arranged in the stirring tank 1, a stirring impeller 3 is fixedly arranged at the upper end of the stirring rod 4, a mounting hole in interference fit with the stirring rod 4 is arranged on the hub of the stirring impeller 3, the stirring rod 4 is in interference fit with the mounting hole, a speed reducer 5 and a motor 6 are arranged at the lower end of the stirring tank 1, the speed reducer 5 is fixedly connected with the stirring tank 1 through screws, a rotating shaft of the motor 6 is fixedly connected with an input shaft of the speed reducer 5 through a coupling, a shell of the motor 6 is fixedly connected with the speed reducer 5 through bolts, the lower end of the stirring rod 4 penetrates through the stirring tank 1, the lower extreme of puddler 4 passes through shaft coupling fixed connection with the output shaft of speed reducer 5 and motor 6, still be provided with on the stirring groove 1 and inhale foam mechanism 7 that can inhale the foam in the stirring groove 1, stirring groove 1 side is provided with water storage jar 8, water storage jar 8 with stirring groove 1 passes through the pipeline intercommunication, be provided with water inlet 9 on the water storage jar 8 to and gas vent 11, gas vent 11 is fixed to be set up in the upper end of water storage jar 8 for the gaseous in the discharge water storage jar 8, water storage jar 8 sets up to the bilayer structure that inner cylinder and outer jar constitute, forms inclosed cavity 10 between inner cylinder and the outer jar, is provided with steam inlet and steam outlet on the outer jar, steam inlet and steam outlet all put through with cavity 10, and the accessible steam heats the stirring water in the water storage jar.
By arranging the foam sucking mechanism 7 on the stirring and washing tank 1, foam in the stirring and washing tank 1 can be sucked away under the action of the foam sucking mechanism 7, and the foam is prevented from overflowing out of the stirring and washing tank 1.
The lower end face of the stirring and washing tank 1 is provided with a liquid outlet 2 communicated with the stirring and washing tank 1, the side face of the water storage tank 8 is provided with a water outlet 12 communicated with the water storage tank 8, and the water outlet 12 is communicated with the stirring and washing tank 1 through a pipeline. Let water storage vat 8 and stir the maintenance of wash bowl 1 through the pipeline intercommunication, the equipment of being convenient for, can be convenient for maintain through setting up the valve on the connecting tube of water storage vat 8 or stir the wash bowl 1 when water storage vat 8 or stir the wash bowl 1 and need maintain, mode easy dismounting through the pipe connection.
Example 3
As shown in fig. 1 to 3, this embodiment provides a battery-level lithium carbonate crude product stirring and washing device, which comprises a stirring tank 1, wherein a raw material inlet 13 communicated with the stirring tank 1 is arranged on the side surface of the stirring tank 1, a stirring rod 4 is vertically arranged in the stirring tank 1, a stirring impeller 3 is fixedly arranged at the upper end of the stirring rod 4, a mounting hole in interference fit with the stirring rod 4 is arranged on the hub of the stirring impeller 3, the stirring rod 4 is in interference fit with the mounting hole, a speed reducer 5 and a motor 6 are arranged at the lower end of the stirring tank 1, the speed reducer 5 is fixedly connected with the stirring tank 1 through screws, a rotating shaft of the motor 6 is fixedly connected with an input shaft of the speed reducer 5 through a coupling, a shell of the motor 6 is fixedly connected with the speed reducer 5 through bolts, the lower end of the stirring rod 4 penetrates through the stirring tank 1, the lower extreme of puddler 4 passes through shaft coupling fixed connection with the output shaft of speed reducer 5 and motor 6, still be provided with on the stirring groove 1 and inhale foam mechanism 7 that can inhale the foam in the stirring groove 1, stirring groove 1 side is provided with water storage jar 8, water storage jar 8 with stirring groove 1 passes through the pipeline intercommunication, be provided with water inlet 9 on the water storage jar 8 to and gas vent 11, gas vent 11 is fixed to be set up in the upper end of water storage jar 8 for the gaseous in the discharge water storage jar 8, water storage jar 8 sets up to the bilayer structure that inner cylinder and outer jar constitute, forms inclosed cavity 10 between inner cylinder and the outer jar, is provided with steam inlet and steam outlet on the outer jar, steam inlet and steam outlet all with cavity 10 switch-on can be passed through steam and heat the stirring water of water storage jar.
The stirring tank 1 is of a double-layer structure formed by an inner cylinder and an outer cylinder, a closed cavity is formed between the inner cylinder and the outer cylinder, a steam inlet and a steam outlet are arranged on the outer cylinder, and the steam inlet and the steam outlet are communicated with the cavity between the inner cylinder and the outer cylinder. Through setting up the stirring groove 1 into bilayer structure, let steam can form inclosed cavity through between the inner cylinder and the outer jar of stirring groove 1 to play the effect of heating the interior liquid of stirring groove 1, the interior liquid temperature of stirring groove 1 can be controlled through the pressure of the external steam of control, and it is fast to heat up moreover, and temperature control is accurate, has improved battery level lithium carbonate crude and has stirred washing efficiency and quality.
Example 4
As shown in fig. 1 to 3, this embodiment provides a battery level lithium carbonate crude stirring and washing device, including stirring and washing tank 1, stirring and washing tank 1 side is provided with the raw materials entry 13 with stirring and washing tank 1 intercommunication, stirring and washing tank 1 is interior vertical to be provided with puddler 4, stirring impeller 3 is fixedly provided with in the upper end of puddler 4, be provided with on the wheel hub of stirring impeller 3 with puddler 4 interference fit's mounting hole, puddler 4 and mounting hole interference fit, stirring and washing tank 1 lower extreme is provided with speed reducer 5 and motor 6, speed reducer 5 and stirring and washing tank 1 pass through screw fixed connection, and motor 6's pivot and speed reducer 5's input shaft pass through shaft coupling fixed connection, stirring and washing tank 1 is run through to the lower extreme of puddler 4 and speed reducer 5 and motor 6's output shaft through the fixed connection, still be provided with on stirring and washing tank 1 and can suck the foam mechanism 7 in stirring and washing tank 1, stirring and washing tank 1 side is provided with the gas inlet and the water storage tank 8, be provided with the air inlet and the water storage jar 8 and the air storage jar 8, be provided with the air inlet and the air storage jar 8 on the water storage jar 8, the air storage jar is connected with the water storage jar 8, and the air storage jar is provided with the air inlet 10, and the air storage jar is connected with the air storage jar 8, and the air storage jar is connected with the air storage jar 8.
The top end of the stirring and washing tank 1 is provided with an air inlet communicated with the stirring and washing tank 1, a U-shaped pipe with one end communicated with the air inlet is arranged at the air inlet, and the opening of the U-shaped pipe faces downwards. Through set up U type pipe in the air inlet department of stirring groove to the required air of supplementary vacuum pump suction, simultaneously, the export of its U type pipe is not vertical up, just so avoids other impurity in the air to fall into stirring groove from the pipeline the inside, influences stirring effect.
Example 5
The operation description and the working principle of the device are as follows: the method comprises the steps of injecting steam condensate into a water storage tank 8 from a water inlet 9, heating the steam condensate in the water storage tank 8 through steam, enabling the steam condensate to reach a preset temperature, enabling dissolved gas in the steam condensate to be discharged through an exhaust port 11 at the upper part of the water storage tank 8, enabling the steam condensate in the water storage tank 8 to enter a stirring tank 1 through a pipeline to be stirred, injecting a battery-grade lithium carbonate crude product into the stirring tank 1 through a raw material inlet 13 to be stirred, removing potassium, sodium, calcium and magnesium in the battery-grade lithium carbonate crude product, various carbonate and sulfate and other soluble impurities, improving the purity of the battery-grade lithium carbonate, enabling a foam absorbing disc 701 of a vacuum foam absorbing mechanism 7 to be fixedly arranged at the upper part in the stirring tank 1, enabling foam generated in the process of the foam absorbing disc 706 to enter the foam absorbing disc 701 through a suction hole 706 at the lower surface of the foam absorbing disc 701, enabling the foam absorbing disc to sequentially pass through a foam storage tank 703 and a foam remover, finally discharging the gas in the foam pump from a vacuum outlet, and recycling the solid impurities, the liquid impurities and the lithium carbonate crude product stored in the foam storage tank 703.
Claims (6)
1. The utility model provides a battery level lithium carbonate crude stirring and washing device, includes stirring and washing groove (1), stirring and washing groove (1) side is provided with raw materials entry (13) with stirring and washing groove (1) intercommunication, vertical puddler (4) that are provided with in stirring and washing groove (1), the fixed impeller (3) that are provided with in upper end of puddler (4), stirring and washing groove (1) lower extreme is fixedly provided with speed reducer (5) and motor (6), stirring and washing groove (1) are run through to the lower extreme of puddler (4), stirring and washing groove (4) rotate under the drive of speed reducer (5) and motor (6), its characterized in that: the stirring and washing tank (1) is also provided with a foam absorbing mechanism (7) capable of absorbing foam in the stirring and washing tank (1), the side surface of the stirring and washing tank (1) is provided with a water storage tank (8), the water storage tank (8) is communicated with the stirring and washing tank (1) through a pipeline, and the water storage tank (8) is provided with a water inlet (9) and an air outlet (11);
the foam absorbing mechanism (7) comprises a foam absorbing disc (701), a connecting pipe (702), a foam storage tank (703), a foam remover (704) and a vacuum pump (705), wherein the inside of the foam absorbing disc (701) is of a hollow structure, a plurality of foam absorbing holes (706) are uniformly formed in the lower surface of the foam absorbing disc (701), an opening communicated with the hollow structure inside the foam absorbing disc (701) is formed in the upper surface of the foam absorbing disc (701), and the opening is sequentially connected with the foam storage tank (703), the foam remover (704) and the vacuum pump (705) through the connecting pipe (702);
the stirring tank (1) is of a double-layer structure formed by an inner cylinder and an outer cylinder, a closed cavity is formed between the inner cylinder and the outer cylinder, a steam inlet and a steam outlet are arranged on the outer cylinder, and the steam inlet and the steam outlet are communicated with the cavity between the inner cylinder and the outer cylinder;
the water storage cylinder (8) is of a double-layer structure formed by an inner cylinder and an outer cylinder, a closed cavity (10) is formed between the inner cylinder and the outer cylinder, a steam inlet and a steam outlet are arranged on the outer cylinder, and the steam inlet and the steam outlet are communicated with the cavity (10).
2. The battery grade lithium carbonate crude stirring and washing device according to claim 1, wherein: the top of storing up foam jar (703) is provided with two intercommunication mouthfuls (712), the trompil of foam dish (701) and the entrance point of foam remover (704) are connected respectively to two intercommunication mouthfuls (712), and connect foam dish (701) and store up connecting pipe (702) of foam jar (703) and stretch into the bottom of storing up foam jar (703), the bottom of storing up foam jar (703) is provided with gets material mouthful (708), and gets material mouthful (708) position and be provided with drain valve (709), the top of storing up foam jar (703) is still fixed and is provided with exhaust duct, is provided with the valve that can the switching exhaust duct pipeline on the exhaust duct.
3. The battery grade lithium carbonate crude stirring and washing device according to claim 1, wherein: the demister (704) comprises a shell (713), wherein a grid plate and a filler layer are sequentially arranged inside the shell (713) from top to bottom, the shell (713) is an upper shell and a lower shell which are arranged in a separated mode, and the upper shell and the lower shell are fixed through a sealing ring and a flange.
4. The battery grade lithium carbonate crude stirring and washing device according to claim 1, wherein: and a valve capable of opening and closing a pipeline of the connecting pipe (702) is fixedly connected to the connecting pipe (702).
5. The battery grade lithium carbonate crude stirring and washing device according to claim 1, wherein: the water storage tank is characterized in that a liquid outlet (2) communicated with the stirring tank (1) is arranged on the lower end face of the stirring tank (1), a water outlet (12) communicated with the water storage tank (8) is arranged on the side face of the water storage tank (8), and the water outlet (12) is communicated with the stirring tank (1) through a pipeline.
6. The battery grade lithium carbonate crude stirring and washing device according to claim 1, wherein: the top end of the stirring and washing tank (1) is provided with an air inlet communicated with the stirring and washing tank (1), and a U-shaped pipe with one end communicated with the air inlet is arranged at the air inlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018217391044 | 2018-10-25 | ||
| CN201821739104 | 2018-10-25 |
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| CN109534370A CN109534370A (en) | 2019-03-29 |
| CN109534370B true CN109534370B (en) | 2023-08-18 |
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| CN201811458308.5A Active CN109534370B (en) | 2018-10-25 | 2018-11-30 | Battery grade lithium carbonate crude product stirring and washing device |
| CN201822001857.1U Active CN209685328U (en) | 2018-10-25 | 2018-11-30 | A kind of battery-level lithium carbonate crude product stirs cleaning device |
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| CN201822001857.1U Active CN209685328U (en) | 2018-10-25 | 2018-11-30 | A kind of battery-level lithium carbonate crude product stirs cleaning device |
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| CN109534370B (en) * | 2018-10-25 | 2023-08-18 | 四川能投鼎盛锂业有限公司 | Battery grade lithium carbonate crude product stirring and washing device |
| CN111514834A (en) * | 2020-04-26 | 2020-08-11 | 山东沃烯新材料科技有限公司 | Ultrasonic wave graphite alkene preparation facility |
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| WO2012147148A1 (en) * | 2011-04-25 | 2012-11-01 | 株式会社石垣 | Buoyant filter medium-stirring device and filter |
| CN102826576A (en) * | 2011-09-19 | 2012-12-19 | 四川长和华锂科技有限公司 | Method for industrially producing industrial, cell-grade or high-purity lithium hydroxide monohydrate |
| CN106745100A (en) * | 2016-12-23 | 2017-05-31 | 荆门市格林美新材料有限公司 | The preparation system and preparation method of battery-level lithium carbonate |
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| CN207537156U (en) * | 2017-11-11 | 2018-06-26 | 大余县旭日矿业科技有限公司 | A kind of deliming magnesium apparatus for being used to produce battery-level lithium carbonate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109534370B (en) * | 2018-10-25 | 2023-08-18 | 四川能投鼎盛锂业有限公司 | Battery grade lithium carbonate crude product stirring and washing device |
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- 2018-11-30 CN CN201811458308.5A patent/CN109534370B/en active Active
- 2018-11-30 CN CN201822001857.1U patent/CN209685328U/en active Active
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| WO2012147148A1 (en) * | 2011-04-25 | 2012-11-01 | 株式会社石垣 | Buoyant filter medium-stirring device and filter |
| CN102826576A (en) * | 2011-09-19 | 2012-12-19 | 四川长和华锂科技有限公司 | Method for industrially producing industrial, cell-grade or high-purity lithium hydroxide monohydrate |
| CN106745100A (en) * | 2016-12-23 | 2017-05-31 | 荆门市格林美新材料有限公司 | The preparation system and preparation method of battery-level lithium carbonate |
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| CN209685328U (en) | 2019-11-26 |
| CN109534370A (en) | 2019-03-29 |
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