CN216963844U - Washing device is used in lithium carbonate production - Google Patents
Washing device is used in lithium carbonate production Download PDFInfo
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- CN216963844U CN216963844U CN202220512631.1U CN202220512631U CN216963844U CN 216963844 U CN216963844 U CN 216963844U CN 202220512631 U CN202220512631 U CN 202220512631U CN 216963844 U CN216963844 U CN 216963844U
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- lithium carbonate
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Abstract
The utility model belongs to the technical field of lithium carbonate production. Based on the problem that the separated solids cannot be discharged in time in the existing lithium carbonate washing device, the utility model discloses a washing device for lithium carbonate production, which structurally comprises a first tank body; the diameter of a filter hole of the first filter screen is larger than that of the lithium carbonate, and the first filter screen is arranged in the first tank body; the spraying mechanism is provided with an annular pipe and is arranged on the outer side wall of the first tank body; the spray headers are arranged above the first filter screen and communicated with the annular pipe; the second tank body is communicated with the discharge hole of the first tank body, and is provided with a liquid outlet and a solid outlet; the second filter screen is arranged in the second tank body and divides the interior of the second tank body into a first cavity and a second cavity which are arranged up and down; the conveying shaft is positioned in the first cavity; the motor is connected with the conveying shaft; the spiral pushing sheet is arranged on the conveying shaft. The washing device can work continuously, can discharge solids in time and improves the separation effect.
Description
Technical Field
The utility model belongs to the technical field of lithium carbonate production, and particularly relates to a washing device for lithium carbonate production.
Background
Lithium carbonate (Li2CO3) is one of the main raw materials of lithium ion batteries at present, and the quality thereof has an important influence on the power of the batteries. Especially, the content of battery grade lithium carbonate (the content of lithium carbonate is more than or equal to 99.5 percent), and the content of related impurities must be strictly controlled within the range specified by the standard.
Therefore, in the lithium carbonate production process, after a crude lithium carbonate product (hereinafter referred to as a crude lithium carbonate product) is produced, the lithium carbonate needs to be washed to remove mother liquor adsorbed on the surface of the lithium carbonate and various soluble impurities, such as various carbonate and sulfate impurities of potassium, sodium, calcium and the like.
At present, the method of firstly stirring and washing in a tank body and then separating lithium carbonate by a filter screen is generally adopted. This mode exists the lithium carbonate that separates and reserves and pile up on the filter screen, influences the filter effect's of filter screen problem.
SUMMERY OF THE UTILITY MODEL
Based on the problem that lithium carbonate is stored and accumulated on the filter screen to affect the filtering effect in the conventional washing device, one object of the present invention is to provide a washing device for producing lithium carbonate, which can discharge separated lithium carbonate in time, thereby preventing the lithium carbonate from accumulating on the filter screen to affect the filtering effect.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the washing device for producing the lithium carbonate comprises a primary washing assembly for primarily washing a crude product; and the separation component is used for separating the solid-liquid mixture.
The initial washing assembly comprises a first tank body, and the interior of the first tank body is hollow; the diameter of a filter hole of the first filter screen is larger than that of lithium carbonate, and the first filter screen is arranged in the first tank body; the spraying mechanism is used for washing the first filter screen; the spraying mechanism is provided with: the annular pipe is arranged on the outer side wall of the first tank body; and the spray headers are arranged in the first tank body, positioned above the first filter screen and communicated with the annular pipe.
The separation component comprises a second tank body, the second tank body is hollow and is communicated with the discharge hole of the first tank body, and a liquid outlet and a solid outlet are arranged on the second tank body; the second filter screen is arranged in the second tank body and divides the interior of the second tank body into a first cavity and a second cavity which are arranged up and down; the conveying shaft is arranged in the second tank body and is positioned in the first cavity; the motor is arranged at one end of the second tank body and is connected with the conveying shaft; the spiral pushing piece is arranged on the conveying shaft; wherein the liquid outlet is in communication with the second cavity; the solid outlet is positioned at one end of the second tank body far away from the motor.
In one of the technical schemes disclosed by the utility model, the second filter screen is arc-shaped; the outer arc surface of the spiral pushing sheet is in contact with the second filter screen.
In one technical scheme disclosed by the utility model, the first cavity is cylindrical.
In one of the technical solutions disclosed in the present invention, the shower head is disposed to be inclined downward.
In one technical scheme disclosed by the utility model, the plurality of spray headers are uniformly distributed along the circumferential direction of the inner wall of the first tank body.
In one technical scheme disclosed by the utility model, the initial washing assembly comprises a turning motor, and the turning motor is connected with the first filter screen and is positioned outside the first tank body to turn the first filter screen.
In one technical scheme disclosed by the utility model, the two turnover motors are symmetrically arranged on two opposite sides of the first tank body.
In one of the technical solutions disclosed in the present invention, the annular tube is filled with hot water.
In one of the technical solutions disclosed in the present invention, a longitudinal section of the inner bottom of the first tank has a trapezoidal shape with a large top and a small bottom.
As can be seen from the above description, compared with the prior art, the beneficial effects of the present invention are:
1. the second filter screen is arranged in the second tank body, the motor drives the conveying shaft to rotate, the spiral pushing piece is driven to rotate, solid-liquid separation is realized, and the solid can be discharged out of the second tank body in time, so that the solid is prevented from being accumulated on the second filter screen to influence the separation effect;
2. the second filter screen is the arc, and the inner wall that is located the second jar of body of second filter screen top forms cylinder type cavity, and the contact of outer cambered surface and the second filter screen of spiral push jack can be cleared up the second filter screen, prevents that the filtration pore of solid jam second filter screen.
3. The initial cleaning assembly further comprises a turnover motor, the first filter screen can be turned over after cleaning is completed, and the first filter screen is washed cleanly by the spray head, so that the loss of lithium carbonate is reduced.
4. Hot water is introduced into the annular pipe, so that the loss of lithium carbonate can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a schematic view showing the structure of a longitudinal section of the present invention.
Reference numerals are as follows:
1-initial washing component; 11-a first tank; 111-a feed hopper; 112-an outlet; 12-a first filter screen; 13-a spraying mechanism; 131-an annular tube; 132-a showerhead; 14-reversing belt motor
2-a separation module; 21-a second tank; 211-feed inlet; 212-a liquid outlet; 213-solid outlet; 22-a motor; 23-a delivery shaft; 24-a spiral push sheet; 25-second filter.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Based on the problem that when the existing washing device carries out solid-liquid separation on a mixture after washing is finished, separated solids are remained in the washing device and block a filter screen, so that the separation effect is influenced, the embodiment of the utility model discloses a washing device for producing lithium carbonate, which is structurally shown as an attached drawing 1-2 and comprises a primary washing assembly 1 and a separation assembly 2. The washing device can discharge the separated solid in time, and prevent the solid from blocking the filter screen.
Specifically, the initial washing assembly 1 is used for preliminarily washing crude products and comprises a first tank body 11, a first filter screen 12 and a spraying mechanism 13.
The first tank 11 is hollow, and has a feed hopper 111 at the top and an outlet 112 at the bottom. In this embodiment, the longitudinal section of the bottom of the inner cavity of the first tank 11 is in a trapezoid structure with a large top and a small bottom, and is communicated with the outlet 112 at the bottom to facilitate discharging.
The first filter 12 has a pore diameter slightly larger than the size of lithium carbonate and is disposed inside the first tank 11.
The spraying mechanism 13 is used for washing the crude product on the first filter 12, and comprises a ring pipe 131 and a plurality of spraying heads 132. The ring pipe 131 is disposed on an outer side wall of the first tank 11. The plurality of spray headers 132 are communicated with the annular pipe 131, are arranged on the inner wall side of the first tank body 11, are positioned on the same horizontal plane above the first filter screen 11, and are uniformly distributed along the circumferential direction of the inner wall of the first tank body 11. In the present embodiment, since hot water is introduced into the annular pipe 131, lithium carbonate has a lower solubility in hot water than in cold water, and therefore, the loss of lithium carbonate can be reduced.
Adopt above-mentioned mechanism, the crude is poured into first jar of body 1 from feeder hopper 111 into, and a plurality of shower heads 132 are to first filter screen 12 water spray, carry out preliminary washing to the crude.
The separation component 2 is connected with the outlet 112 of the first tank 1 and used for separating solid from liquid, and comprises a second tank 21, a motor 22, a conveying shaft 23, a spiral pushing sheet 24 and a second filter screen 25.
The second tank body 21 is hollow, and a feed inlet 211 is arranged at the position of the upper side adjacent to the end part and communicated with the outlet 112; the lower side is provided with a liquid outlet 212; the end remote from the inlet 211 is provided with a solids outlet 213.
The second filter screen 25 is disposed on the inner surface of the bottom of the second tank 21, and divides the inner cavity of the second tank 21 into a first cavity and a second cavity which are disposed up and down.
The conveying shaft 23 is arranged horizontally in the first chamber, i.e. above the second filter screen 25. The auger flight 24 is mounted on the transport shaft. The motor 22 is connected to the feed shaft 23 and is located at one end of the second tank 21 adjacent to the feed port 211.
By adopting the structure, the solid-liquid mixture falls into the second tank body 21 from the feeding hole 211, the motor 22 drives the conveying shaft 23 to rotate, and drives the spiral pushing piece 24 to rotate, so that the solid-liquid mixture is driven to move; during this movement, liquid is filtered from second filter 25 and flows out through liquid outlet 212; the solid is discharged through a solid outlet 213 under the pushing of the spiral pushing sheet 24; this mode can in time be discharged lithium carbonate, prevents that it from piling up and influencing the filter effect on the filter screen.
As an optimization scheme of the above embodiment, the second filter screen 25 is arc-shaped, the first cavity is cylindrical, the conveying shaft 23 is located on the axial line of the first cavity, and the outer arc surface of the spiral pushing piece 24 contacts with the inner arc surface of the first cavity, that is, the outer arc surface of the spiral pushing piece 24 contacts with the second filter screen 25.
By adopting the structure, the spiral pushing sheet 24 can clean the second filter screen 25, prevent solid from blocking the filter holes of the second filter screen 25 and improve the separation effect.
As an optimized solution of the above embodiment, the primary selection assembly 1 further includes two turnover motors 14 disposed at two opposite sides of the first tank 11 and connected to the first filter 12. Under the drive of the turnover motor 14, 1, the first filter screen 12 is turned over, and the shower head 132 washes the first filter screen 12 to wash the first filter screen 12 clean, so that the loss of lithium carbonate is reduced.
The working principle of the embodiment of the utility model is as follows:
the crude product falls onto the first filter screen 12 through the feed hopper 111, and the spray header 132 sprays water to the first filter screen 12 for washing, so as to carry out preliminary cleaning on the crude product; after the cleaning is finished, the overturning motor 14 drives the first filter screen 12 to overturn, so that the solid and liquid on the first filter screen 12 are washed clean, and filter holes are prevented from being blocked; the solid and the liquid enter the second tank body 21 through the feed inlet 211, the liquid flows out from the liquid outlet 212 after being filtered by the second filter screen 25, the solid moves to the solid outlet 213 under the pushing of the spiral pushing sheet 24 and is discharged through the solid outlet 213, and the solid-liquid separation is realized.
As can be seen from the above description, the embodiments of the present invention have the following beneficial effects:
the second filter screen is arranged in the second tank body, the motor drives the conveying shaft to rotate to drive the spiral pushing piece to rotate, so that solid-liquid separation is realized, and the solid can be discharged out of the second tank body in time to prevent the solid from being accumulated on the second filter screen to influence the separation effect; meanwhile, the second filter screen is arc-shaped, the first cavity above the second filter screen is cylindrical, and the outer arc surface of the spiral push sheet is in contact with the second filter screen, so that the second filter screen can be cleaned, and solids are prevented from blocking filter holes of the second filter screen; furthermore, the primary washing assembly further comprises a turning motor, the first filter screen can be turned over after the washing is finished, and the spray header washes the first filter screen clean, so that the loss of lithium carbonate is reduced; finally, hot water is introduced into the annular pipe, so that the loss of lithium carbonate can be reduced.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. Washing device is used in lithium carbonate production, its characterized in that includes:
the primary washing component is used for preliminarily washing the crude product;
a separation assembly for separating a solid-liquid mixture;
wherein, the subassembly includes just washing:
the first tank body is hollow;
the diameter of a filter hole of the first filter screen is larger than that of lithium carbonate, and the first filter screen is arranged in the first tank body;
the spraying mechanism is used for washing the first filter screen; the spraying mechanism is provided with:
the annular pipe is arranged on the outer side wall of the first tank body;
the plurality of spray headers are arranged in the first tank body, positioned above the first filter screen and communicated with the annular pipe;
the separation assembly includes:
the second tank body is hollow and is communicated with the discharge hole of the first tank body, and a liquid outlet and a solid outlet are arranged on the second tank body;
the second filter screen is arranged in the second tank body and divides the interior of the second tank body into a first cavity and a second cavity which are arranged up and down;
the conveying shaft is arranged in the second tank body and is positioned in the first cavity;
the motor is arranged at one end of the second tank body and is connected with the conveying shaft;
the spiral pushing piece is arranged on the conveying shaft;
wherein the liquid outlet is in communication with the second cavity; the solid outlet is positioned at one end of the second tank body far away from the motor.
2. The washing device for lithium carbonate production according to claim 1, wherein the second filter screen is curved; the outer arc surface of the spiral pushing sheet is in contact with the second filter screen.
3. The washing device for lithium carbonate production according to claim 2, wherein the first cavity is cylindrical.
4. The washing device for lithium carbonate production according to claim 1, wherein the shower head is provided obliquely downward.
5. The washing device for producing the lithium carbonate as claimed in claim 1, wherein a plurality of the spray headers are uniformly distributed along the circumferential direction of the inner wall of the first tank body.
6. The washing device is used in lithium carbonate production according to claim 1, characterized in that, the subassembly of just washing includes the upset motor, with first filter screen is connected, is located the outside of the first jar of body to upset first filter screen.
7. The washing device for producing the lithium carbonate as claimed in claim 6, wherein the number of the turnover motors is two, and the turnover motors are symmetrically arranged on two opposite sides of the first tank body.
8. The washing device for lithium carbonate production according to claim 1, wherein hot water is provided in the annular tube.
9. The washing device for lithium carbonate production according to claim 1, wherein a longitudinal section of the inner bottom of the first tank has a trapezoidal shape with a large top and a small bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220512631.1U CN216963844U (en) | 2022-03-10 | 2022-03-10 | Washing device is used in lithium carbonate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220512631.1U CN216963844U (en) | 2022-03-10 | 2022-03-10 | Washing device is used in lithium carbonate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216963844U true CN216963844U (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220512631.1U Active CN216963844U (en) | 2022-03-10 | 2022-03-10 | Washing device is used in lithium carbonate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216963844U (en) |
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2022
- 2022-03-10 CN CN202220512631.1U patent/CN216963844U/en active Active
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