CN220860838U - Solid-liquid separation device for lithium hexafluorophosphate preparation - Google Patents
Solid-liquid separation device for lithium hexafluorophosphate preparation Download PDFInfo
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- CN220860838U CN220860838U CN202322309552.8U CN202322309552U CN220860838U CN 220860838 U CN220860838 U CN 220860838U CN 202322309552 U CN202322309552 U CN 202322309552U CN 220860838 U CN220860838 U CN 220860838U
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- China
- Prior art keywords
- shell
- filter screen
- solid
- lithium hexafluorophosphate
- liquid separation
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- 239000007788 liquid Substances 0.000 title claims abstract description 71
- -1 lithium hexafluorophosphate Chemical compound 0.000 title claims abstract description 40
- 238000000926 separation method Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims description 8
- 238000003860 storage Methods 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011257 shell material Substances 0.000 abstract 12
- 239000013078 crystal Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 4
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model relates to a solid-liquid separation device for preparing lithium hexafluorophosphate. The solid-liquid separation device for preparing lithium hexafluorophosphate comprises a shell, wherein a storage tank is arranged in the shell, a filter screen which moves up and down and is obliquely arranged is arranged on one side of the storage tank, a blanking edge which is towards blanking of the filter screen is arranged at the upper end of one side, which is close to the filter screen, of the storage tank, a screw conveyer is arranged on the lower side of the blanking end of the filter screen, the screw conveyer comprises a shell and a screw conveyer which is rotatably arranged in the shell, one end of the shell extends out of the outer side of the shell, a discharging pipe is arranged at the lower end of the shell which is positioned at the outer side of the shell, a plurality of liquid outlet holes are formed in the lower side wall of the shell, an opening is formed in the upper side of the shell, and raw materials which fall down the filter screen are enabled to enter the shell, and a driving mechanism which drives the screw conveyer to rotate and the filter screen to vibrate up and down is arranged on the shell. Compared with the prior art, the solid-liquid separation device for preparing lithium hexafluorophosphate improves the solid-liquid separation effect.
Description
Technical Field
The utility model belongs to the technical field of lithium hexafluorophosphate production devices, and particularly relates to a solid-liquid separation device for lithium hexafluorophosphate preparation.
Background
The lithium hexafluorophosphate is always the most main electrolyte lithium salt used in commercial lithium batteries, and the preparation method of the lithium hexafluorophosphate comprises the steps of rectifying and purifying anhydrous hydrogen fluoride to obtain high-purity anhydrous hydrogen fluoride, dissolving the lithium fluoride in the high-purity anhydrous hydrogen fluoride to obtain an anhydrous hydrogen fluoride solution containing the lithium fluoride, adding phosphorus pentachloride to prepare a lithium hexafluorophosphate saturated solution, crystallizing the lithium hexafluorophosphate saturated solution at low temperature, solidifying and separating, drying, crushing and packaging to obtain a lithium hexafluorophosphate product.
Chinese patent publication No. CN207886730U discloses a purification separator for lithium hexafluorophosphate. The separator comprises a bracket and a tank body arranged on the bracket, wherein a spraying plate is arranged in the tank body, a filtering chamber is arranged above the spraying plate, a crystallization chamber is arranged below the spraying plate, an impurity filtering plate is arranged in the filtering chamber, and a layer of clamping plate is arranged outside the crystallization chamber. The separator of the utility model has high crystallization speed and high crystallization rate. In the use process of the existing lithium hexafluorophosphate purification separator, after the mixture of crystals and solution is filtered by the crystal filter plate, the crystals are finally remained on the crystal filter plate, but along with the filtration, the crystals are accumulated on the crystal filter plate, so that the filtration effect of the crystal filter plate is reduced.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a solid-liquid separation device for preparing lithium hexafluorophosphate.
The utility model relates to a solid-liquid separation device for preparing lithium hexafluorophosphate, which comprises the following technical scheme:
The utility model provides a lithium hexafluorophosphate preparation is with solid-liquid separation device, includes the shell, be equipped with the storage tank in the shell, one side of storage tank is equipped with up-and-down motion, the filter screen of slope arrangement, the storage tank be close to one side upper end of filter screen is equipped with to the blanking edge of filter screen blanking, the blanking end downside of filter screen is equipped with screw conveyer, screw conveyer includes the casing and rotates the auger of installing in the casing, the one end of casing stretches out the shell outside, is located the lower extreme of the casing in the shell outside is equipped with the discharging pipe, be equipped with a plurality of liquid outlet on the lower lateral wall of casing, be located the inside casing upside opening of shell, messenger the raw materials entering that the filter screen falls in the casing, be equipped with the drive on the shell the auger rotates and the actuating mechanism of filter screen vibrations from top to bottom.
Further, the upper end of one side of the storage tank, which is close to the filter screen, is provided with a folded edge extending obliquely to the filter screen, the folded edge forms the blanking edge, the shell is provided with a feeding pipe communicated with the storage tank, and the feeding pipe is provided with a feeding valve.
Further, a stirrer extending into the material storage tank is arranged on the shell, and a first driving motor for driving the stirrer to rotate is arranged on the shell.
Further, fixedly connected with two parallel interval arrangement's fixed plate on the lateral wall of storage pond, two be equipped with first guide bar between the fixed plate, fixedly connected with C shaped plate on the lateral wall of shell, be equipped with the second guide bar in the C shaped plate, the upper end of filter screen is equipped with the connection along, be equipped with on the connection along with first guide bar assorted guiding hole, the cover is equipped with two respectively on the first guide bar and is located connect along the first spring of upper and lower both sides, the lower extreme of filter screen is equipped with the L shaped plate, be equipped with on the horizontal part of L shaped plate with second guide bar assorted guiding hole, the cover is equipped with two respectively on the second guide bar and is located L shaped plate upper and lower both sides's second spring.
Further, the actuating mechanism includes second driving motor, cam, transmission shaft and push pedal, second driving motor fixed connection is in on the shell, the transmission shaft rotates to be installed on the shell, push pedal fixed connection is in filter screen one side, cam fixed connection be in on the transmission shaft and with push pedal butt, driving motor pass through the driving piece with the pivot transmission of transmission shaft and auger is connected.
Further, the driving piece comprises a driving pulley, a first driven pulley, a second driven pulley, a first synchronous belt and a second synchronous belt, wherein the driving pulley is fixedly connected with the end part of an output shaft of the second driving motor, the first driven pulley is fixedly connected with the end part of a rotating shaft of the auger, the second driven pulley is fixedly connected with the end part of the transmission shaft, the first synchronous belt is encircling between the driving pulley and the first driven pulley, and the second synchronous belt is encircling between the driving pulley and the second driven pulley.
Further, the cams, the transmission shaft, the push plate and the second driven pulleys are respectively arranged at two sides of the shell, and the two cams, the transmission shaft, the push plate and the second driven pulleys are respectively arranged at two sides of the shell.
Further, the driving mechanism comprises a third driven belt wheel and a third synchronous belt, the rotating shaft of the auger is far away from one end of the discharging pipe and extends out of the outer side of the shell, the third driven belt wheel is fixedly connected with the rotating shaft of the auger and far away from one end of the discharging pipe, and the third synchronous belt is wound between the third driven belt wheel and the second driven belt wheel.
Further, a liquid storage cavity positioned at the lower side of the screw conveyor is arranged in the shell, a liquid outlet pipe communicated with the liquid storage cavity is arranged on the shell, and a liquid outlet valve is arranged on the liquid outlet pipe.
The utility model provides a solid-liquid separation device for preparing lithium hexafluorophosphate, which has the beneficial effects that:
When the lithium hexafluorophosphate liquid-solid separation filter is used, lithium hexafluorophosphate raw material liquid to be subjected to solid-liquid separation is added into the liquid storage cavity through the feed pipe, and when the height of the lithium hexafluorophosphate liquid in the liquid storage cavity is higher than that of the blanking edge, the lithium hexafluorophosphate liquid falls from the blanking edge and falls on the filter screen. The driving mechanism drives the auger in the screw conveyor to rotate and the filter screen to vibrate up and down, liquid in the raw material liquid on the filter screen is vibrated down in the process, solids in the raw material liquid slide into the shell of the screw conveyor along the filter screen, and the solids in the raw material liquid are conveyed in the rotation process of the auger and fall down through the discharging pipe. Compared with the prior art, the solid-liquid separation device for preparing lithium hexafluorophosphate improves the solid-liquid separation effect.
Drawings
FIG. 1 is a schematic diagram showing the structure of a solid-liquid separation device for preparing lithium hexafluorophosphate according to the present utility model;
FIG. 2 is a schematic diagram II of a solid-liquid separation device for preparing lithium hexafluorophosphate according to the present utility model;
FIG. 3 is an enlarged view at A in FIG. 1;
Fig. 4 is an enlarged view at B in fig. 1;
In the figure: 1. a housing; 2. a storage tank; 3. a feed pipe; 4. a feed valve; 5. a liquid outlet pipe; 6. a liquid outlet valve; 7. a liquid storage cavity; 8. a stirrer; 9. a first driving motor; 10. a filter screen; 11. blanking edges; 12. a fixing plate; 13. a connecting edge; 14. a first spring; 15. an L-shaped plate; 16. a C-shaped plate; 17. a second spring; 18. a housing; 19. a discharge pipe; 20. a liquid outlet hole; 21. an auger; 22. a second driving motor; 23. a driving pulley; 24. a first driven pulley; 25. a second driven pulley; 26. a transmission shaft; 27. a push plate; 28. a cam; 29. a first synchronization belt; 30. a second timing belt; 31. a third driven pulley; 32. and a third synchronous belt.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
The specific embodiment of the solid-liquid separation device for preparing lithium hexafluorophosphate disclosed by the utility model comprises a shell 1, wherein a storage tank 2 is arranged in the shell 1, a filter screen 10 which moves up and down and is obliquely arranged is arranged at one side of the storage tank 2, a blanking edge 11 which is used for blanking the filter screen 10 is arranged at the upper end of one side of the storage tank 2, which is close to the filter screen 10, a screw conveyor is arranged at the lower side of the blanking end of the filter screen 10, the screw conveyor comprises a shell 18 and a screw 21 which is rotatably arranged in the shell 18, one end of the shell 18 extends out of the shell 1, a discharging pipe 19 is arranged at the lower end of the shell 18 positioned at the outer side of the shell 1, a plurality of liquid outlet holes 20 are formed in the lower side wall of the shell 18, a driving mechanism which is positioned at the upper side opening of the shell 18 in the shell 1 and is used for enabling raw materials falling down of the filter screen 10 to enter the shell 18 is arranged on the shell 1, and a driving mechanism which drives the screw 21 to rotate and the filter screen 10 to vibrate up and down is arranged on the shell 1.
In this embodiment, the upper end of one side of the storage tank 2, which is close to the filter screen 10, is provided with a folded edge extending obliquely to the filter screen 10, the folded edge forms a blanking edge 11, the shell 1 is provided with a feed pipe 3 communicated with the storage tank 2, and the feed pipe 3 is provided with a feed valve 4. The shell 1 is provided with a stirrer 8 extending into the material storage tank 2, and the shell 1 is provided with a first driving motor 9 driving the stirrer 8 to rotate. Two fixed plates 12 which are arranged at intervals in parallel are fixedly connected to the outer side wall of the storage tank 2, a first guide rod is arranged between the two fixed plates 12, a C-shaped plate 16 is fixedly connected to the side wall of the shell 1, a second guide rod is arranged in the C-shaped plate 16, a connecting edge 13 is arranged at the upper end of the filter screen 10, guide holes matched with the first guide rod are formed in the connecting edge 13, two first springs 14 which are respectively arranged on the upper side and the lower side of the connecting edge 13 are sleeved on the first guide rod, an L-shaped plate 15 is arranged at the lower end of the filter screen 10, guide holes matched with the second guide rod are formed in the horizontal part of the L-shaped plate 15, and two second springs 17 which are respectively arranged on the upper side and the lower side of the L-shaped plate 15 are sleeved on the second guide rod.
In this embodiment, the driving mechanism includes a second driving motor 22, a cam 28, a driving shaft 26 and a pushing plate 27, the second driving motor 22 is fixedly connected to the housing 1, the driving shaft 26 is rotatably mounted on the housing 1, the pushing plate 27 is fixedly connected to one side of the filter screen 10, the cam 28 is fixedly connected to the driving shaft 26 and abuts against the pushing plate 27, and the driving motor is in transmission connection with the driving shaft 26 and the rotating shaft of the auger 21 through a transmission member. The driving medium includes driving pulley 23, first driven pulley 24, second driven pulley 25, first hold-in range 29 and second hold-in range 30, and driving pulley 23 fixed connection is at the output shaft end of second driving motor 22, and first driven pulley 24 fixed connection is at the pivot end of auger 21, and second driven pulley 25 fixed connection is at the tip of transmission shaft 26, and first hold-in range 29 encircles between driving pulley 23 and first driven pulley 24, and second hold-in range 30 encircles between driving pulley 23 and second driven pulley 25.
In the present embodiment, the cams 28, the transmission shaft 26, the push plate 27, and the second driven pulley 25 are provided in two, respectively, and the two cams 28, the transmission shaft 26, the push plate 27, and the second driven pulley 25 are provided on both sides of the housing 1, respectively. The driving mechanism comprises a third driven belt wheel 31 and a third synchronous belt 32, one end, far away from the discharging pipe 19, of the rotating shaft of the auger 21 extends out of the outer shell 1, the third driven belt wheel 31 is fixedly connected with one end, far away from the discharging pipe 19, of the rotating shaft of the auger 21, and the third synchronous belt 32 surrounds between the third driven belt wheel 31 and the second driven belt wheel 25. The shell 1 is internally provided with a liquid storage cavity 7 positioned at the lower side of the screw conveyor, the shell 1 is provided with a liquid outlet pipe 5 communicated with the liquid storage cavity 7, and the liquid outlet pipe 5 is provided with a liquid outlet valve 6.
When the lithium hexafluorophosphate material liquid to be subjected to solid-liquid separation is used, the lithium hexafluorophosphate material liquid is added into the liquid storage cavity 7 through the feed pipe 3, and when the height of the lithium hexafluorophosphate material liquid in the liquid storage cavity 7 is higher than that of the blanking edge 11, the lithium hexafluorophosphate material liquid falls from the blanking edge 11 and falls on the filter screen 10. The driving mechanism drives the auger 21 in the screw conveyor to rotate and the filter screen 10 to vibrate up and down, liquid in raw material liquid on the filter screen 10 is vibrated down in the process, solids in the raw material liquid slide into the shell 18 of the screw conveyor along the filter screen 10, and the solids in the raw material liquid are conveyed in the rotation process of the auger 21 and fall down through the discharging pipe 19. Compared with the prior art, the solid-liquid separation device for preparing lithium hexafluorophosphate improves the solid-liquid separation effect.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.
Claims (9)
1. The utility model provides a lithium hexafluorophosphate preparation is with solid-liquid separation device, its characterized in that, includes the shell, be equipped with the storage tank in the shell, one side of storage tank is equipped with up-and-down motion, the filter screen of slope arrangement, the storage tank be close to one side upper end of filter screen is equipped with to the blanking edge of filter screen blanking, the blanking end downside of filter screen is equipped with screw conveyer, screw conveyer includes the casing and rotates the auger of installing in the casing, the one end of casing stretches out the shell outside, be located the lower extreme of the casing in the shell outside is equipped with the discharging pipe, be equipped with a plurality of liquid outlet on the lower lateral wall of casing, be located the inside casing upside opening of shell, messenger the raw materials that the filter screen falls get into in the casing, be equipped with the drive on the shell the auger rotates and the filter screen shakes about.
2. The solid-liquid separation device for preparing lithium hexafluorophosphate according to claim 1, wherein a hem extending obliquely to the filter screen is arranged at the upper end of one side of the storage tank, which is close to the filter screen, the hem forms the blanking edge, a feed pipe communicated with the storage tank is arranged on the shell, and a feed valve is arranged on the feed pipe.
3. The solid-liquid separation device for preparing lithium hexafluorophosphate according to claim 2, wherein the housing is provided with a stirrer extending into the material storage tank, and the housing is provided with a first driving motor for driving the stirrer to rotate.
4. The solid-liquid separation device for preparing lithium hexafluorophosphate according to claim 1, wherein two fixing plates which are arranged at intervals in parallel are fixedly connected to the outer side wall of the storage tank, a first guide rod is arranged between the two fixing plates, a C-shaped plate is fixedly connected to the side wall of the shell, a second guide rod is arranged in the C-shaped plate, a connecting edge is arranged at the upper end of the filter screen, guide holes matched with the first guide rod are formed in the connecting edge, two first springs which are respectively arranged on the upper side and the lower side of the connecting edge are sleeved on the first guide rod, an L-shaped plate is arranged at the lower end of the filter screen, guide holes matched with the second guide rod are formed in the horizontal part of the L-shaped plate, and two second springs which are respectively arranged on the upper side and the lower side of the L-shaped plate are sleeved on the second guide rod.
5. The solid-liquid separation device for preparing lithium hexafluorophosphate according to claim 4, wherein the driving mechanism comprises a second driving motor, a cam, a transmission shaft and a push plate, the second driving motor is fixedly connected to the housing, the transmission shaft is rotatably mounted on the housing, the push plate is fixedly connected to one side of the filter screen, the cam is fixedly connected to the transmission shaft and is abutted to the push plate, and the driving motor is in transmission connection with the transmission shaft and a rotating shaft of the auger through a transmission piece.
6. The solid-liquid separation device for lithium hexafluorophosphate preparation according to claim 5, wherein the transmission member comprises a driving pulley, a first driven pulley, a second driven pulley, a first synchronous belt and a second synchronous belt, wherein the driving pulley is fixedly connected to the end of the output shaft of the second driving motor, the first driven pulley is fixedly connected to the end of the rotating shaft of the auger, the second driven pulley is fixedly connected to the end of the transmission shaft, the first synchronous belt is wound between the driving pulley and the first driven pulley, and the second synchronous belt is wound between the driving pulley and the second driven pulley.
7. The solid-liquid separation device for preparing lithium hexafluorophosphate according to claim 6, wherein the cam, the transmission shaft, the push plate and the second driven pulley are respectively provided at two sides of the housing.
8. The solid-liquid separation device for lithium hexafluorophosphate preparation according to claim 7, wherein the driving mechanism comprises a third driven belt wheel and a third synchronous belt, wherein one end of the rotating shaft of the auger, which is far away from the discharging pipe, extends out of the outer side of the shell, the third driven belt wheel is fixedly connected with one end of the rotating shaft of the auger, which is far away from the discharging pipe, and the third synchronous belt is wound between the third driven belt wheel and the second driven belt wheel.
9. The solid-liquid separation device for preparing lithium hexafluorophosphate according to claim 7, wherein a liquid storage cavity positioned at the lower side of the screw conveyor is arranged in the shell, a liquid outlet pipe communicated with the liquid storage cavity is arranged on the shell, and a liquid outlet valve is arranged on the liquid outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322309552.8U CN220860838U (en) | 2023-08-28 | 2023-08-28 | Solid-liquid separation device for lithium hexafluorophosphate preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322309552.8U CN220860838U (en) | 2023-08-28 | 2023-08-28 | Solid-liquid separation device for lithium hexafluorophosphate preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220860838U true CN220860838U (en) | 2024-04-30 |
Family
ID=90806839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322309552.8U Active CN220860838U (en) | 2023-08-28 | 2023-08-28 | Solid-liquid separation device for lithium hexafluorophosphate preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220860838U (en) |
-
2023
- 2023-08-28 CN CN202322309552.8U patent/CN220860838U/en active Active
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