CN219481910U - Lithium hexafluorophosphate purification device - Google Patents

Abstract

The utility model relates to the technical field of lithium hexafluorophosphate processing, and discloses a lithium hexafluorophosphate purifying device, which comprises a treatment tank, wherein the bottom of the treatment tank is rotationally connected with a rotary table, the inside of the rotary table is fixedly connected with an electric heating plate, and the outside of the electric heating plate is fixedly connected with a heating rod; the lithium hexafluorophosphate solution is evaporated to remove liquid water under the heating action of the electric heating plate and the heating rod through the treatment tank, lithium hexafluorophosphate powder and acetone are easy to stir, mix and dissolve under the condition that the turntable rotates to drive the heating rod to rotate, lithium hexafluorophosphate is dissolved in the acetone, meanwhile, the reciprocating plate slides to enable the lithium hexafluorophosphate purified and dissolved in the acetone to be inhaled through the filtering suction head and conveyed through the first one-way valve, the second one-way valve and the conveying pipe, so that the purification of lithium hexafluorophosphate is completed once, the efficiency and the safety of the purification of lithium hexafluorophosphate are improved, and meanwhile, the yield and the quality of the purification of lithium hexafluorophosphate are higher.

Description

Lithium hexafluorophosphate purification device

Technical Field

The utility model relates to the technical field of lithium hexafluorophosphate processing, in particular to a lithium hexafluorophosphate purifying device.

Background

Lithium hexafluorophosphate is an inorganic compound, and has a chemical formula of LiPF6, is white crystalline powder, is easily dissolved in water, is dissolved in organic solvents such as low-concentration methanol, ethanol, acetone, carbonates and the like, and is mainly used as electrolyte materials of lithium ion batteries, the current lithium hexafluorophosphate processing and purifying process needs to be divided into different working procedures, and lithium hexafluorophosphate needs to be transported and conveyed for multiple times, so that the workload of lithium hexafluorophosphate purification and transportation is increased, the risk of leakage of lithium hexafluorophosphate purification is increased, the existing lithium hexafluorophosphate processing equipment cannot finish once purification of lithium hexafluorophosphate, and the yield and quality of lithium hexafluorophosphate purification are reduced.

Disclosure of Invention

In order to solve the problems that the existing lithium hexafluorophosphate processing and purifying process needs to be divided into different working procedures, lithium hexafluorophosphate needs to be conveyed and transferred for multiple times, the workload of lithium hexafluorophosphate purification and transportation is increased, the risk of leakage of lithium hexafluorophosphate purification is increased, the existing lithium hexafluorophosphate processing equipment cannot complete once purification of lithium hexafluorophosphate, the yield and quality of lithium hexafluorophosphate purification are reduced, and the purposes of purification, high efficiency, high yield and high quality of the previous time are achieved.

The utility model is realized by the following technical scheme: the utility model provides a lithium hexafluorophosphate purification device, includes the treatment jar, the bottom of treatment jar is rotated and is connected with the carousel, the inside fixedly connected with electric plate of carousel, the outside fixedly connected with heating rod of electric plate, the bottom fixedly connected with of treatment jar is used for driving carousel at the inside pivoted power component of treatment jar, the outside grafting of treatment jar has the pressure cap, the outside fixedly connected with filling pipe of pressure cap, the outside fixedly connected with air tight plate of filling pipe, the outside fixedly connected with exhaust hood of pressure cap, the outside fixedly connected with collection shell of treatment jar, the inside swing joint of collection shell is used for absorbing the inside lithium hexafluorophosphate solution of treatment jar absorbs the subassembly, the outside fixedly connected with first check valve of collection shell, the outside fixedly connected with hard tube of first check valve, the outside fixedly connected with filter of treatment jar, the outside fixedly connected with second check valve of collection shell, the outside fixedly connected with conveyer pipe of second check valve, power component includes casing, a gear connection, a connecting rod, a movable connection has the inside swing joint of collection shell, a gear connection, a movable connection casing, a movable connection has the inside swing joint of collection shell, a gear connection, a movable connection of the inside swing joint of collection shell.

Further, the turntable and the treatment tank are coaxial, the electric heating plates correspond to the turntable in position, the heating rods penetrate through the turntable and extend out of the treatment tank, and the heating rods are uniformly distributed outside the electric heating plates.

Further, the first motor is fixedly connected with the gear II through a connecting shaft, the gear I is meshed with the gear II, the gear I corresponds to the position of the shell and is matched with the shell in specification, and the gear I is coaxial with the turntable.

Further, the pressure cover corresponds to the position of the processing tank and is matched with the specification, the filling pipe is communicated with the inside of the processing tank, the exhaust hood is communicated with the inside of the processing tank, and the airtight plate corresponds to the position of the filling pipe and is matched with the specification.

Further, the second motor is fixedly connected with the movable disc through a connecting shaft, two ends of the connecting rod are respectively and movably connected with the outside of the clamping shaft and the outside of the reciprocating plate, and the reciprocating plate is in sliding sealing connection with the inside of the collecting shell.

Further, the first one-way valve is communicated with the inside of the collecting shell, the filtering suction head is corresponding to the bottom of the treatment tank in position and matched with the treatment tank in specification, and the filtering suction head is connected with the first one-way valve through a hard pipe.

The utility model provides a lithium hexafluorophosphate purifying device. The beneficial effects are as follows:

according to the lithium hexafluorophosphate purifying device, the lithium hexafluorophosphate solution is evaporated to remove liquid water under the heating action of the electric heating plate and the heating rod through the treatment tank, lithium hexafluorophosphate powder and acetone are easy to stir and mix and dissolve under the condition that the turntable rotates to drive the heating rod to rotate, lithium hexafluorophosphate is dissolved in acetone, impurities in the lithium hexafluorophosphate powder are deposited at the bottom of the treatment tank, and meanwhile, the reciprocating plate slides to enable purification and dissolution of lithium hexafluorophosphate in acetone, the purification is completed once through suction of the filtering suction head and delivery of the lithium hexafluorophosphate through the first one-way valve, the second one-way valve and the delivery pipe, so that the efficiency and safety of lithium hexafluorophosphate purification are improved, and meanwhile, the yield and the quality of lithium hexafluorophosphate purification are higher.

Drawings

FIG. 1 is a schematic view of the overall appearance structure of the present utility model;

FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 2 at C in accordance with the present utility model;

fig. 6 is an enlarged schematic view of the structure of fig. 2D according to the present utility model.

In the figure: 1. a treatment tank; 2. a turntable; 3. an electric heating plate; 4. a heating rod; 5. a power assembly; 51. a housing; 52. a first motor; 53. a first gear; 54. a second gear; 6. a pressure cover; 7. a filling pipe; 8. an airtight plate; 9. an exhaust hood; 10. collecting the shell; 11. a suction assembly; 111. a second motor; 112. a movable plate; 113. a clamping shaft; 114. a connecting rod; 115. a shuttle plate; 12. a first one-way valve; 13. a hard tube; 14. a filter tip; 15. a second one-way valve; 16. a conveying pipe.

Detailed Description

Examples of such lithium hexafluorophosphate purification apparatus are as follows:

examples:

referring to fig. 1-6, a lithium hexafluorophosphate purifying device comprises a treatment tank 1, a turntable 2 is rotatably connected to the bottom of the treatment tank 1, an electric heating plate 3 is fixedly connected to the inside of the turntable 2, a heating rod 4 is fixedly connected to the outside of the electric heating plate 3, the turntable 2 is coaxial with the treatment tank 1, the electric heating plate 3 corresponds to the turntable 2 in position, the heating rod 4 penetrates through the turntable 2 and extends out of the treatment tank 1, and the heating rod 4 is uniformly distributed outside the electric heating plate 3.

The bottom fixedly connected with of treatment jar 1 is used for driving carousel 2 at the inside pivoted power component 5 of treatment jar 1, the outside grafting of treatment jar 1 has pressure lid 6, the outside fixedly connected with filling tube 7 of pressure lid 6, the outside fixedly connected with air tight plate 8 of filling tube 7, the outside fixedly connected with exhaust hood 9 of pressure lid 6, the position correspondence and specification phase-match of pressure lid 6 and treatment jar 1, filling tube 7 communicates with each other with treatment jar 1 inside, exhaust hood 9 communicates with each other with treatment jar 1 inside, the position correspondence and specification phase-match of air tight plate 8 and filling tube 7.

The outside fixedly connected with collection shell 10 of treatment jar 1, the inside swing joint of collection shell 10 is used for absorbing the inside lithium hexafluorophosphate solution of treatment jar 1's absorption subassembly 11, the outside fixedly connected with first check valve 12 of collection shell 10, the outside fixedly connected with hard tube 13 of first check valve 12, the inboard fixedly connected with filtration suction head 14 of treatment jar 1, the outside fixedly connected with second check valve 15 of collection shell 10, the outside fixedly connected with conveyer pipe 16 of second check valve 15, power subassembly 5 includes casing 51, first motor 52, gear one 53, gear two 54, the outside fixedly connected with casing 51 of treatment jar 1, the outside fixedly connected with first motor 52 of casing 51, the outside fixedly connected with gear one 53 of carousel 2, the inside swing joint of casing 51 has gear two 54, first motor 52 and gear two 54 pass through connecting axle fixed connection, gear one 53 and gear two 54 mesh, gear one 53 and the corresponding and specification phase-match of casing 51, gear one 53 and carousel 2.

The suction assembly 11 comprises a second motor 111, a movable disc 112, a clamping shaft 113, a connecting rod 114 and a reciprocating plate 115, wherein the second motor 111 is fixedly connected to the inside of the collection shell 10, the movable disc 112 is movably connected to the inside of the collection shell 10, the clamping shaft 113 is fixedly connected to the outside of the movable disc 112, the connecting rod 114 is movably connected to the outside of the clamping shaft 113, the reciprocating plate 115 is slidingly connected to the inside of the collection shell 10, the second motor 111 is fixedly connected to the movable disc 112 through the connecting shaft, two ends of the connecting rod 114 are respectively and movably connected to the outside of the clamping shaft 113 and the outside of the reciprocating plate 115, the reciprocating plate 115 is in sliding and sealing connection with the inside of the collection shell 10, the first one-way valve 12 is communicated with the inside of the collection shell 10, the filtering suction head 14 is corresponding to the bottom of the treatment tank 1 in position and matched with the specification, and the filtering suction head 14 is connected with the first one-way valve 12 through a hard tube 13.

The lithium hexafluorophosphate solution is evaporated to remove liquid water under the heating action of the electric heating plate 3 and the heating rod 4 through the treatment tank 1, lithium hexafluorophosphate powder and acetone are easy to stir, mix and dissolve under the condition that the turntable 2 rotates to drive the heating rod 4 to rotate, lithium hexafluorophosphate is dissolved in the acetone, impurities in the lithium hexafluorophosphate powder are deposited at the bottom of the treatment tank 1, and meanwhile, the reciprocating plate 115 slides to enable the lithium hexafluorophosphate purified and dissolved in the acetone to be sucked in through the filtering suction head 14 and conveyed through the first one-way valve 12, the second one-way valve 15 and the conveying pipe 16, so that the purification of the lithium hexafluorophosphate is completed once, the efficiency and the safety of the purification of the lithium hexafluorophosphate are improved, and meanwhile, the yield and the quality of the purification of the lithium hexafluorophosphate are higher.

Working principle: the user adds lithium hexafluorophosphate aqueous solution to the inside of the treatment tank 1 through the filling pipe 7, the filling is completed, the filling pipe 7 is covered by the airtight plate 8, simultaneously, the electric heating plate 3 is electrified to generate heat under the action of the current thermal effect, the heat generated by the heating rod 4 is transferred to heat the lithium hexafluorophosphate aqueous solution in the treatment tank 1, the lithium hexafluorophosphate aqueous solution is heated and liquid water is evaporated to form steam, the steam is discharged through the exhaust hood 9, when the water evaporation in the lithium hexafluorophosphate is completed to form lithium hexafluorophosphate powder, the electric heating plate 3 is stopped to be electrified, the user fills acetone solution into the inside of the treatment tank 1 through the filling pipe 7, the lithium hexafluorophosphate powder solution is in the acetone solution, impurities in the lithium hexafluorophosphate powder are deposited at the bottom of the treatment tank 1, simultaneously, the first motor 52 is electrified to drive the gear two 54 to rotate in the casing 51, the gear two 54 is rotated to drive the gear one 53 to rotate, the gear one 53 is rotated to drive the rotary table 2 to rotate, the electric heating plate 3 is rotated to drive the heating rod 4 to rotate to carry out the mixed solution of lithium hexafluorophosphate powder and the acetone solution.

The lithium hexafluorophosphate powder and the acetone solution are completely dissolved to form a purification mixed solution, a user operates the second motor 111 to electrify and run to drive the movable disc 112 to rotate in the collecting shell 10, the movable disc 112 rotates to drive the clamping shaft 113 to rotate, the clamping shaft 113 rotates to drive the connecting rod 114 to rotate, the connecting rod 114 rotates to drive the reciprocating plate 115 to slide back and forth in the collecting shell 10, negative pressure is generated in the collecting shell 10 when the reciprocating plate 115 slides along the direction of the second motor 111, lithium hexafluorophosphate acetone purification solution in the treating tank 1 flows into the filtering suction head 14 under the action of pressure and is conveyed into the first one-way valve 12 through the hard tube 13 until flowing into the collecting shell 10, when the reciprocating plate 115 slides along the direction of the first one-way valve 12, the reciprocating plate 115 extrudes the lithium hexafluorophosphate acetone purification solution in the collecting shell 10 to flow into the second one-way valve 15, the lithium hexafluorophosphate acetone solution in the second one-way valve 15 is conveyed to the next process through the conveying tube 16, and deposited impurities at the bottom of the treating tank 1 are cleaned by the user.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The components adopted by the utility model are all general standard components or components known to the person skilled in the art, and the structures and principles of the components are all known to the person skilled in the art through technical manuals or through routine experimental methods.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present utility model still fall within the scope of the present utility model.

Claims (7)

1. Lithium hexafluorophosphate purification device, including treatment jar (1), its characterized in that:

the bottom of the treatment tank (1) is rotationally connected with a rotary table (2), the inside of the rotary table (2) is fixedly connected with an electric heating plate (3), the outside of the electric heating plate (3) is fixedly connected with a heating rod (4), the bottom of the treatment tank (1) is fixedly connected with a power component (5) for driving the rotary table (2) to rotate inside the treatment tank (1), the outside of the treatment tank (1) is inserted with a pressure cover (6), the outside of the pressure cover (6) is fixedly connected with a filling pipe (7), the outside of the filling pipe (7) is fixedly connected with an airtight plate (8), the outside of the pressure cover (6) is fixedly connected with an exhaust hood (9), and the outside of the treatment tank (1) is fixedly connected with a collecting shell (10);

the inside swing joint of collecting shell (10) has the subassembly (11) of absorbing that are used for absorbing the inside lithium hexafluorophosphate solution of handling jar (1), the outside fixedly connected with first check valve (12) of collecting shell (10), the outside fixedly connected with hard tube (13) of first check valve (12), the inboard fixedly connected with of handling jar (1) filters suction head (14), the outside fixedly connected with second check valve (15) of collecting shell (10), the outside fixedly connected with conveyer pipe (16) of second check valve (15).

2. A lithium hexafluorophosphate purifying apparatus according to claim 1, wherein:

the power assembly (5) comprises a shell (51), a first motor (52), a first gear (53) and a second gear (54);

the device is characterized in that a shell (51) is fixedly connected to the outside of the treatment tank (1), a first motor (52) is fixedly connected to the outside of the shell (51), a first gear (53) is fixedly connected to the outside of the rotary table (2), and a second gear (54) is movably connected to the inside of the shell (51);

the suction assembly (11) comprises a second motor (111), a movable disc (112), a clamping shaft (113), a connecting rod (114) and a reciprocating plate (115), wherein the second motor (111) is fixedly connected to the inside of the collection shell (10), the movable disc (112) is movably connected to the inside of the collection shell (10), the clamping shaft (113) is fixedly connected to the outside of the movable disc (112), the connecting rod (114) is movably connected to the outside of the clamping shaft (113), and the reciprocating plate (115) is slidably connected to the inside of the collection shell (10).

3. A lithium hexafluorophosphate purifying apparatus according to claim 1, wherein:

the turntable (2) is coaxial with the treatment tank (1), the electric heating plates (3) are corresponding to the turntable (2), the heating rods (4) penetrate through the turntable (2) and extend out of the treatment tank (1), and the heating rods (4) are uniformly distributed outside the electric heating plates (3).

4. A lithium hexafluorophosphate purification apparatus as claimed in claim 2, wherein:

the first motor (52) is fixedly connected with the second gear (54) through a connecting shaft, the first gear (53) is meshed with the second gear (54), the first gear (53) is corresponding to the casing (51) in position and matched with the casing in specification, and the first gear (53) is coaxial with the turntable (2).

5. A lithium hexafluorophosphate purifying apparatus according to claim 1, wherein:

the pressure cover (6) corresponds to the position of the treatment tank (1) and is matched with the treatment tank in specification, the filling pipe (7) is communicated with the inside of the treatment tank (1), the exhaust hood (9) is communicated with the inside of the treatment tank (1), and the airtight plate (8) corresponds to the position of the filling pipe (7) and is matched with the filling pipe in specification.

6. A lithium hexafluorophosphate purification apparatus as claimed in claim 2, wherein:

the second motor (111) is fixedly connected with the movable disc (112) through a connecting shaft, two ends of the connecting rod (114) are respectively and movably connected with the outside of the clamping shaft (113) and the outside of the reciprocating plate (115), and the reciprocating plate (115) is in sliding sealing connection with the inside of the collecting shell (10).

7. A lithium hexafluorophosphate purifying apparatus according to claim 1, wherein:

the first one-way valve (12) is communicated with the inside of the collecting shell (10), the filtering suction head (14) is corresponding to the bottom of the treatment tank (1) in position and matched with the specification, and the filtering suction head (14) is connected with the first one-way valve (12) through a hard pipe (13).