CN112939037B - Device and method for efficiently separating and refining lithium carbonate - Google Patents
Device and method for efficiently separating and refining lithium carbonate Download PDFInfo
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- CN112939037B CN112939037B CN202110359065.5A CN202110359065A CN112939037B CN 112939037 B CN112939037 B CN 112939037B CN 202110359065 A CN202110359065 A CN 202110359065A CN 112939037 B CN112939037 B CN 112939037B
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention belongs to the technical field of lithium carbonate preparation, in particular to a device for efficiently separating and refining lithium carbonate and a method thereof, and provides a scheme which comprises a workbench, wherein the top of the workbench is fixedly connected with a cleaning box and a grinding box, the grinding box is positioned at one side of the cleaning box, a cleaning assembly for cleaning raw materials is arranged in the cleaning box, a concentrated sulfuric acid reaction box and a calcium hydroxide reaction box are arranged below the workbench, the concentrated sulfuric acid reaction box is respectively connected with the grinding box and the calcium hydroxide reaction box through hoses, and a valve is fixedly arranged on the outer wall of the hose between the concentrated sulfuric acid reaction box and the calcium hydroxide reaction box. The mixing speed and the reaction speed can be increased, the preparation of the lithium carbonate can be accelerated, and the preparation efficiency can be improved.
Description
Technical Field
The invention relates to the technical field of lithium carbonate preparation, in particular to a device and a method for efficiently separating and refining lithium carbonate.
Background
Lepidolite is also called as lepidolite and contains other rare metals such as rubidium, cesium and the like; the Yichun city stores the world's largest lepidolite ore, and the recoverable amount of lithium oxide accounts for 31% of the whole country and 8.2% of the world. The lepidolite is the most common lithium mineral and is an important mineral for extracting lithium, and has very important economic and strategic values for comprehensively developing and utilizing the lepidolite. Lithium carbonate is an important chemical raw material, and with the development planning of new national energy, the new lithium battery energy becomes one of the important national support and development energy industries; lithium carbonate is used as an important basic raw material for the development of new energy of lithium batteries, and the importance of lithium carbonate in new energy materials is increasing day by day.
The lithium carbonate is prepared by using lepidolite as a raw material, the lepidolite ore is generally not pre-cleaned when the lepidolite is used as the raw material to prepare the lithium carbonate, a large amount of dust and broken stone impurities are left on the surface layer of the lepidolite ore, so the purity of the prepared lithium carbonate is seriously influenced when the lithium carbonate is prepared, and the utilization rate of the raw material by the conventional lithium carbonate preparation device is low, so that the waste of resources is caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a device and a method for efficiently separating and refining lithium carbonate, which have a compact structure, can clean ores for pre-cleaning, improve the utilization rate of raw materials and reduce resource waste.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a refined lithium carbonate device of high-efficient separation, includes the workstation, the top fixedly connected with of workstation washs the case and grinds the case, and grinds the case and be located the one side of wasing the case, it is equipped with the clearance subassembly that is used for clearing up the raw materials to wash the incasement, concentrated sulfuric acid reaction box and calcium hydroxide reaction box have been placed to the below of workstation, concentrated sulfuric acid reaction box all passes through the hose connection with grinding case and calcium hydroxide reaction box respectively, and the hose outer wall fixed mounting between concentrated sulfuric acid reaction box and the calcium hydroxide reaction box has the valve, the top fixedly connected with sodium carbonate solution reaction box of workstation, be equipped with in the sodium carbonate solution reaction box and be used for preparing the preparation subassembly of lithium carbonate.
The utility model discloses a cleaning assembly, including the washing case, including the top of washing case, the top of washing case is equipped with the feed inlet that is linked together, the inner wall of washing case is annular equidistance and is fixed with a plurality of squirts, the one side inner wall that the washing case was kept away from each other is vertical rotation and is connected with same U type pole, the one side fixedly connected with driving motor who washs the case, driving motor's output shaft extend to the washing incasement and with U type pole fixed connection, the equal fixedly connected with fixed block of one side inner wall that the washing case was kept away from each other, two the first spring of the equal fixedly connected with in top of fixed block, two the same and washing incasement wall sliding connection's of top fixedly connected with of first spring sieve, and the sieve is located the top of U type pole, the bottom of wasing the case is equipped with the drain pipe that is linked together and runs through the workstation.
The cleaning assembly further comprises an electric telescopic handle connected to one side of the cleaning box in a rotating mode, one side of the cleaning box is connected with a first rotating plate in a rotating mode, a rotating shaft penetrating through the first rotating plate is connected to the inner portion of the cleaning box in the rotating mode, one end, close to the electric telescopic handle, of the rotating shaft extends to the outer side of the cleaning box and is fixedly connected with an arc-shaped plate with an arc-shaped groove, the piston rod of the electric telescopic handle is fixedly connected with a sliding block with a protruding portion, and the protruding portion of the sliding block extends to the arc-shaped groove of the arc-shaped plate and is connected with the arc-shaped groove of the arc-shaped plate in a sliding mode.
The preparation assembly comprises a hydraulic cylinder fixedly connected to the top of a sodium carbonate solution reaction box, the inner wall of one side, away from each other, of the sodium carbonate solution reaction box is connected with the same push plate with a plurality of inclined holes in a sliding manner, a piston rod of the hydraulic cylinder extends into the sodium carbonate solution reaction box and is fixedly connected with the top of the push plate, a protruding block is fixedly connected to the bottom of the push plate, a liquid suction pump is fixedly connected to one side, located at the sodium carbonate solution reaction box, of the top of the workbench, a liquid inlet and a liquid outlet of the liquid suction pump are respectively communicated with a calcium hydroxide reaction box and the sodium carbonate solution reaction box through hoses, a second rotating plate with a conical hole is rotatably connected to the bottom of the sodium carbonate solution reaction box, the protruding block is located right above the conical hole of the second rotating plate, a plurality of carbon fiber heating sheets are fixedly embedded at the top of the second rotating plate, and an air cylinder is fixedly connected to one side of the sodium carbonate solution reaction box, the piston rod of the cylinder is fixedly connected with a rotating block which is in sliding connection with the top of the second rotating plate, a solution collecting box is arranged below the workbench, and a collecting box located below the second rotating plate is arranged on one side of the workbench.
The preparation subassembly still includes fixed box of fixed connection in second rotor plate bottom and be located second rotor plate bell mouth below, a plurality of second springs of the bottom inner wall fixedly connected with of fixed box, it is a plurality of the same fixed plate of top fixedly connected with of second spring, the top fixedly connected with of fixed plate and second rotor plate bell mouth matched with toper piece, solution collecting box and fixed box are linked together through the hose.
The inner wall fixedly connected with of the bottom of the cleaning box is provided with two symmetrical inclined plates, and sewage in the cleaning box can be drained through the inclined plates.
The inner wall of the sodium carbonate solution reaction box is fixedly connected with a second sealing ring positioned above the second rotating plate, and the solution in the sodium carbonate solution reaction box can be prevented from intermittently flowing out from the space between the sodium carbonate solution reaction box and the second rotating plate through the second sealing ring.
The outer wall of the conical block is fixedly sleeved with a sealing gasket, and the sealing performance of the conical block and the inner conical hole of the second rotating plate can be improved through the sealing gasket.
The top of the fixed plate is fixedly connected with a first sealing ring by taking the conical block as a circle center, the top of the first sealing ring is in contact with the bottom of the second rotating plate, and secondary sealing effect can be achieved on the second rotating plate and the conical block through the first sealing ring.
The use method of the device for efficiently separating and refining the lithium carbonate comprises the following steps:
s1, putting the lepidolite ore into a cleaning box through a feeding hole, enabling the ore to fall on a sieve plate, starting an air blower and a driving motor, driving a U-shaped rod to rotate by the driving motor, driving the ore to move up and down by the sieve plate along with the rotation of the U-shaped rod, blowing dust on the surface layer of the ore downwards by the air blower at the moment, starting a water gun, spraying and cleaning the ore on the sieve plate by the water gun, further cleaning the dust on the surface layer of the ore, and drying the moisture on the surface layer of the ore by the air blower after the cleaning is finished;
s2, starting the electric telescopic rod, enabling a piston rod of the electric telescopic rod to drive the sliding block to contract, enabling the arc-shaped plate to rotate with the rotating shaft as a pivot along with the movement of the sliding block, enabling the rotating shaft to rotate along with the arc-shaped plate, enabling ores to fall into a grinding box along a sieve plate, and grinding the ores by the grinding box;
s3, feeding the ground ore into a concentrated sulfuric acid reaction box, mixing the ground ore with 85% concentrated sulfuric acid, filtering after the reaction is finished to obtain a solution A, feeding the solution A into a calcium hydroxide reaction box, reacting the solution A in the calcium hydroxide reaction box to obtain a solution B, and conveying the solution B into a sodium carbonate solution reaction box through a liquid drawing pump;
s4, starting a hydraulic cylinder, wherein a piston rod of the hydraulic cylinder pushes a push plate and a lug to move up and down, when the push plate moves up and down, a solution in a sodium carbonate solution reaction box flows through an inclined hole in the push plate, so that the reaction of the solution B and the sodium carbonate solution in the sodium carbonate solution reaction box can be accelerated, then starting a carbon fiber heating sheet, heating the sodium carbonate solution in the sodium carbonate solution reaction box by the carbon fiber heating sheet, and rapidly separating out lithium carbonate in the sodium carbonate solution reaction box along with the heating of the carbon fiber heating sheet due to the low solubility of lithium carbonate in hot water;
s5, a piston rod of the hydraulic cylinder pushes the push plate and the lug to move downwards, the lug pushes the conical block and the fixed plate to move downwards, the second spring starts to compress, the sealing of the conical block on the inner conical hole of the second rotating plate is relieved, and then the sodium carbonate in the sodium carbonate solution reaction box flows into the solution collection box through the fixed box;
s6, starting the air cylinder, wherein a piston rod of the air cylinder pushes the second rotating plate to rotate through the rotating block, and then the solid lithium carbonate on the second rotating plate can roll down to the collecting box.
The invention has the following advantages:
1. according to the invention, the air blower and the driving motor are started, the driving motor drives the ore on the sieve plate to move up and down through the U-shaped rod, the air blower can blow dust on the surface layer of the ore downwards, then the water gun is started, the water gun sprays and cleans the ore on the sieve plate, the dust on the surface layer of the ore is further cleaned, and after the cleaning is finished, the dust and impurities on the surface layer of the ore can be cleaned, so that the dust and impurities are prevented from influencing the purity of the lithium carbonate.
2. According to the invention, the piston rod of the hydraulic cylinder pushes the push plate and the lug to move up and down, and when the push plate moves up and down, the solution in the sodium carbonate solution reaction box flows through the inclined hole in the push plate, so that the chemical reaction of the solution in the sodium carbonate solution reaction box can be accelerated, and the preparation speed of lithium carbonate is improved.
3. According to the invention, the piston rod of the hydraulic cylinder pushes the push plate and the lug to move downwards, the lug pushes the conical block and the fixed plate to move downwards, the second spring starts to compress, the sealing of the conical block on the inner conical hole of the second rotating plate is relieved, so that sodium carbonate in the sodium carbonate solution reaction box flows into the solution collecting box through the fixed box, and the solution in the sodium carbonate solution reaction box can be recycled after the reaction is finished, thereby avoiding the waste of resources.
4. In the invention, the piston rod of the air cylinder pushes the second rotating plate to rotate through the rotating block by starting the air cylinder, so that the solid lithium carbonate on the second rotating plate can roll down along the second rotating plate to the collecting box, and the collection of the solid lithium carbonate is completed.
The invention has simple structure and convenient operation, can pre-clean the lepidolite, thereby avoiding the dust on the surface layer of the lepidolite from influencing the preparation purity of the lithium carbonate, and can accelerate the preparation of the lithium carbonate at high mixing speed and reaction speed by the inclined hole in the push plate in the sodium carbonate solution reaction box, thereby improving the preparation efficiency.
Drawings
Fig. 1 is a main sectional view of a device for efficiently separating and refining lithium carbonate according to the present invention;
fig. 2 is a top view of an apparatus for efficiently separating and refining lithium carbonate according to the present invention;
fig. 3 is a side sectional view of a cleaning tank of the device for efficiently separating and refining lithium carbonate provided by the invention;
fig. 4 is a front view of a cleaning tank of the device for efficiently separating and refining lithium carbonate provided by the invention;
fig. 5 is a side view of a sodium carbonate solution reaction box of an apparatus for efficiently separating and refining lithium carbonate according to the present invention;
fig. 6 is an enlarged view of a position a of the device for efficiently separating and refining lithium carbonate according to the present invention;
fig. 7 is a three-dimensional schematic diagram of a push plate of the device for efficiently separating and refining lithium carbonate provided by the invention;
fig. 8 is a sectional view of a push plate of the device for efficiently separating and refining lithium carbonate according to the present invention;
FIG. 9 is a sectional side view of the cleaning tank in the second embodiment.
In the figure: 1. a work table; 2. a cleaning tank; 3. a fixed block; 4. a first spring; 5. a sieve plate; 6. a feed inlet; 7. a water gun; 8. a liquid outlet pipe; 9. a collection box; 10. a concentrated sulfuric acid reaction box; 11. a blower; 12. a rotating shaft; 13. a first rotating plate; 14. an arc-shaped plate; 15. an electric telescopic rod; 16. a slider; 17. a drive motor; 18. a U-shaped rod; 19. grinding a box; 20. a second seal ring; 21. a calcium hydroxide reaction box; 22. a valve; 23. a sodium carbonate solution reaction box; 24. a hydraulic cylinder; 25. pushing the plate; 26. a bump; 27. a second rotating plate; 28. a fixed box; 29. a second spring; 30. a fixing plate; 31. a conical block; 32. a cylinder; 33. rotating the block; 34. a liquid pump; 35. a solution collecting box; 36. a sloping plate; 37. sealing gaskets; 38. a first seal ring; 39. carbon fiber heating plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-8, a refined lithium carbonate device of high-efficient separation, including workstation 1, the top fixedly connected with of workstation 1 washs case 2 and grinds case 19, and it is located the one side of wasing case 2 to grind case 19, it is equipped with the clearance subassembly that is used for clearing up the raw materials to wash incasement 2, concentrated sulfuric acid reaction box 10 and calcium hydroxide reaction box 21 have been placed to the below of workstation 1, concentrated sulfuric acid reaction box 10 all passes through the hose connection with grinding case 19 and calcium hydroxide reaction box 21 respectively, and the hose outer wall fixed mounting between concentrated sulfuric acid reaction box 10 and the calcium hydroxide reaction box 21 has valve 22, the top fixedly connected with sodium carbonate solution reaction box 23 of workstation 1, be equipped with the subassembly that is used for preparing lithium carbonate in the sodium carbonate solution reaction box 23.
In the invention, a cleaning component comprises two air blowers 11 fixedly connected with the inner walls of two sides of a cleaning box 2, the top of the cleaning box 2 is provided with a communicated feed inlet 6, the inner wall of the cleaning box 2 is fixed with a plurality of water guns 7 in a ring shape and at equal intervals, the inner wall of the side of the cleaning box 2 away from each other is longitudinally and rotatably connected with a same U-shaped rod 18, one side of the cleaning box 2 is fixedly connected with a driving motor 17, the output shaft of the driving motor 17 extends into the cleaning box 2 and is fixedly connected with the U-shaped rod 18, the inner wall of the side of the cleaning box 2 away from each other is fixedly connected with a fixed block 3, the tops of the two fixed blocks 3 are fixedly connected with first springs 4, the tops of the two first springs 4 are fixedly connected with a same sieve plate 5 which is in sliding connection with the inner wall of the cleaning box 2, and the sieve plate 5 is positioned above the U-shaped rod 18, and the bottom of the cleaning box 2 is provided with a liquid outlet pipe 8 which is communicated with the cleaning box and penetrates through the workbench 1.
According to the invention, the air blower 11 and the driving motor 17 are started, the driving motor 17 drives the ore on the sieve plate 5 to move up and down through the U-shaped rod 18, at the moment, the air blower 11 can blow dust on the surface layer of the ore downwards, then the water gun 7 is started, the water gun 7 sprays and cleans the ore on the sieve plate 5, the dust on the surface layer of the ore is further cleaned, and after the cleaning is finished, the dust and impurities on the surface layer of the ore can be cleaned, so that the dust and impurities are prevented from influencing the purity of the lithium carbonate.
In the invention, the cleaning assembly further comprises an electric telescopic rod 15 which is rotatably connected to one side of the cleaning box 2, one side of the cleaning box 2 is rotatably connected with a first rotating plate 13, a rotating shaft 12 which penetrates through the first rotating plate 13 is rotatably connected in the cleaning box 2, one end of the rotating shaft 12, which is close to the electric telescopic rod 15, extends to the outer side of the cleaning box 2 and is fixedly connected with an arc-shaped plate 14 with an arc-shaped groove, a piston rod of the electric telescopic rod 15 is fixedly connected with a sliding block 16 with a convex part, and the convex part of the sliding block 16 extends into the arc-shaped groove of the arc-shaped plate 14 and is in sliding connection with the arc-shaped groove of the arc-shaped plate 14.
In the invention, the preparation assembly comprises a hydraulic cylinder 24 fixedly connected to the top of a sodium carbonate solution reaction box 23, the inner wall of one side of the sodium carbonate solution reaction box 23, which is far away from each other, is slidably connected with a push plate 25 with a plurality of inclined holes, a piston rod of the hydraulic cylinder 24 extends into the sodium carbonate solution reaction box 23 and is fixedly connected with the top of the push plate 25, the bottom of the push plate 25 is fixedly connected with a bump 26, the top of a workbench 1, which is positioned at one side of the sodium carbonate solution reaction box 23, is fixedly connected with a liquid pump 34, a liquid inlet and a liquid outlet of the liquid pump 34 are respectively communicated with a calcium hydroxide reaction box 21 and the sodium carbonate solution reaction box 23 through hoses, the bottom of the sodium carbonate solution reaction box 23 is rotatably connected with a second rotating plate 27 with tapered holes, the bump 26 is positioned right above the tapered holes of the second rotating plate 27, the top of the second rotating plate 27 is fixedly embedded with a plurality of carbon fiber heating sheets 39, a cylinder 32 is fixedly connected to one side of the sodium carbonate solution reaction box 23, a piston rod of the cylinder 32 is fixedly connected with a rotating block 33 which is slidably connected with the top of the second rotating plate 27, a solution collecting box 35 is arranged below the workbench 1, and a collecting box 9 positioned below the second rotating plate 27 is arranged on one side of the workbench 1.
In the invention, by starting the air cylinder 32, the piston rod of the air cylinder 32 pushes the second rotating plate 27 to rotate through the rotating block 33, so that the solid lithium carbonate on the second rotating plate 27 can roll down along the second rotating plate 27 to the collection box 9, thereby completing the collection of the solid lithium carbonate.
In the invention, the preparation assembly further comprises a fixed box 28 fixedly connected to the bottom of the second rotating plate 27 and positioned below the tapered hole of the second rotating plate 27, the inner wall of the bottom of the fixed box 28 is fixedly connected with a plurality of second springs 29, the top ends of the plurality of second springs 29 are fixedly connected with the same fixed plate 30, the top of the fixed plate 30 is fixedly connected with a tapered block 31 matched with the tapered hole of the second rotating plate 27, and the solution collecting box 35 is communicated with the fixed box 28 through a hose.
In the invention, the piston rod of the hydraulic cylinder 24 pushes the push plate 25 and the bump 26 to move up and down, when the push plate 25 moves up and down, the solution in the sodium carbonate solution reaction box 23 flows through the inclined hole in the push plate 25, so that the chemical reaction of the solution in the sodium carbonate solution reaction box 23 can be accelerated, and the preparation speed of the lithium carbonate is improved.
In the present invention, the top of the fixed plate 30 is fixedly connected with the first sealing ring 38 by taking the tapered block 31 as a circle center, and the top of the first sealing ring 38 contacts with the bottom of the second rotating plate 27, so that the second rotating plate 27 and the tapered block 31 can be sealed for the second time by the first sealing ring 38.
In the invention, the piston rod of the hydraulic cylinder 24 pushes the push plate 25 and the lug 26 to move downwards, the lug 26 pushes the conical block 31 and the fixed plate 30 to move downwards, the second spring 29 starts to compress, the sealing of the conical block 31 on the inner conical hole of the second rotating plate 27 is released, so that the sodium carbonate in the sodium carbonate solution reaction box 23 flows into the solution collection box 35 through the fixed box 28, the solution in the sodium carbonate solution reaction box 23 can be recycled after the reaction is finished, and the waste of resources is avoided.
In the present invention, the inner wall of the sodium carbonate solution reaction tank 23 is fixedly connected with the second sealing ring 20 located above the second rotating plate 27, and the solution in the sodium carbonate solution reaction tank 23 can be prevented from intermittently flowing out from between the sodium carbonate solution reaction tank 23 and the second rotating plate 27 by the second sealing ring 20.
In the invention, the sealing gasket 37 is fixedly sleeved on the outer wall of the conical block 31, and the sealing performance of the conical hole in the conical block 31 and the second rotating plate 27 can be improved through the sealing gasket 37.
A use method of a device for efficiently separating and refining lithium carbonate comprises the following steps:
s1, putting the lepidolite ore into the cleaning box 2 through the feeding hole 6, enabling the ore to fall on the sieve plate 5, starting the air blower 11 and the driving motor 17, driving the U-shaped rod 18 to rotate by the driving motor 17, driving the ore to move up and down by the sieve plate 5 along with the rotation of the U-shaped rod 18, blowing dust on the surface layer of the ore downwards by the air blower 11 at the moment, then starting the water gun 7, spraying and cleaning the ore on the sieve plate 5 by the water gun 7, further cleaning the dust on the surface layer of the ore, and after the cleaning is finished, drying the moisture on the surface layer of the ore by the air blower 11;
s2, starting the electric telescopic rod 15, driving the sliding block 16 to contract by the piston rod of the electric telescopic rod 15, rotating the arc-shaped plate 14 along with the sliding block 16 by taking the rotating shaft 12 as a pivot, further rotating the rotating shaft 12, allowing the ore to fall into the grinding box 19 along the sieve plate 5, and grinding the ore by the grinding box 19;
s3, feeding the ground ore into a concentrated sulfuric acid reaction box 10, mixing the ground ore with 85% concentrated sulfuric acid, filtering after the reaction is finished to obtain a solution A, feeding the solution A into a calcium hydroxide reaction box 21, reacting the solution A in the calcium hydroxide reaction box 21 to obtain a solution B, and then conveying the solution B into a sodium carbonate solution reaction box 23 through a liquid drawing pump 34;
s4, starting the hydraulic cylinder 24, wherein a piston rod of the hydraulic cylinder 24 pushes the push plate 25 and the bump 26 to move up and down, when the push plate 25 moves up and down, the solution in the sodium carbonate solution reaction box 23 flows through an inclined hole in the push plate 25, so that the reaction of the solution B and the sodium carbonate solution in the sodium carbonate solution reaction box 23 can be accelerated, then the carbon fiber heating sheet 39 is started, the carbon fiber heating sheet 39 heats the sodium carbonate solution in the sodium carbonate solution reaction box 23, and lithium carbonate in the sodium carbonate solution reaction box 23 is rapidly precipitated along with the heating of the carbon fiber heating sheet 39 due to the low solubility of lithium carbonate in hot water;
s5, the piston rod of the hydraulic cylinder 24 pushes the push plate 25 and the bump 26 to move downwards, the bump 26 pushes the conical block 31 and the fixed plate 30 to move downwards, the second spring 29 starts to compress, the sealing of the conical block 31 on the inner conical hole of the second rotating plate 27 is released, and then the sodium carbonate in the sodium carbonate solution reaction box 23 flows into the solution collection box 35 through the fixed box 28;
s6, starting the air cylinder 32, and the piston rod of the air cylinder 32 pushing the second rotating plate 27 to rotate through the rotating block 33, so that the solid lithium carbonate on the second rotating plate 27 can roll down into the collection box 9.
Example two: as shown in fig. 9, the present embodiment is different from the first embodiment in that: the inner wall fixedly connected with of the bottom of wasing case 2 is two swash plates 36 that are the symmetry, can arrange the sewage in wasing case 2 to the greatest extent through swash plate 36.
However, as is well known to those skilled in the art, the working principle and wiring method of the blower 11, the electric telescopic rod 15, the driving motor 17, the liquid pump 34, the hydraulic cylinder 24 and the air cylinder 32 are common and are conventional means or common knowledge, and thus they will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.
The working principle is as follows: firstly, putting lepidolite ore into a cleaning box 2 through a feed inlet 6, enabling the ore to fall on a sieve plate 5, starting an air blower 11 and a driving motor 17, driving the U-shaped rod 18 to rotate by the driving motor 17, driving the ore to move up and down by the sieve plate 5 along with the rotation of the U-shaped rod 18, blowing dust on the surface layer of the ore downwards by the air blower 11 at the moment, then starting a water gun 7, spraying and cleaning the ore on the sieve plate 5 by the water gun 7, further cleaning the dust on the surface layer of the ore, drying the moisture on the surface layer of the ore through the air blower 11 after the cleaning is finished, secondly, starting an electric telescopic rod 15, driving a sliding block 16 to contract by a piston rod of the electric telescopic rod 15, rotating an arc-shaped plate 14 along with the movement of the sliding block 16 by taking a rotating shaft 12 as a fulcrum, further enabling the rotating shaft 12 to rotate along with the rotating shaft, enabling the ore to fall into a grinding box 19 along with the sieve plate 5, grinding box 19 grinding the ore, thirdly, the ground ore enters a concentrated sulfuric acid reaction box 10 to be mixed with 85% concentrated sulfuric acid, the mixture is filtered after the reaction is finished to obtain a solution A, the solution A enters a calcium hydroxide reaction box 21, the solution A reacts in the calcium hydroxide reaction box 21 to obtain a solution B, the solution B is conveyed into a sodium carbonate solution reaction box 23 through a liquid pump 34, fourthly, a hydraulic cylinder 24 is started, a piston rod of the hydraulic cylinder 24 pushes a push plate 25 and a lug 26 to move up and down, when the push plate 25 moves up and down, the solution in the sodium carbonate solution reaction box 23 flows through an inclined hole in the push plate 25, so that the reaction of the solution B and the sodium carbonate solution in the sodium carbonate solution reaction box 23 can be accelerated, then a carbon fiber heating sheet 39 is started, the carbon fiber heating sheet 39 heats the sodium carbonate solution in the sodium carbonate solution reaction box 23, and the solubility of lithium carbonate in hot water is low, along with the heating of the carbon fiber heating sheet 39, lithium carbonate in the sodium carbonate solution reaction box 23 is rapidly precipitated, in the fifth step, the piston rod of the hydraulic cylinder 24 pushes the push plate 25 and the projection 26 to move downwards, the projection 26 pushes the conical block 31 and the fixing plate 30 to move downwards, the second spring 29 starts to compress, the sealing of the conical block 31 on the inner conical hole of the second rotating plate 27 is released, and further the sodium carbonate in the sodium carbonate solution reaction box 23 flows into the solution collecting box 35 through the fixing box 28, in the sixth step, the air cylinder 32 is started, the piston rod of the air cylinder 32 pushes the second rotating plate 27 to rotate through the rotating block 33, and further the solid lithium carbonate on the second rotating plate 27 can be rolled into the collecting box 9.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a refined lithium carbonate device of high-efficient separation, includes workstation (1), its characterized in that, the top fixedly connected with of workstation (1) washs case (2) and grinds case (19), and grinds case (19) and be located the one side of wasing case (2), it is equipped with the clearance subassembly that is used for clearing up the raw materials to wash to be equipped with in case (2), the clearance subassembly includes two air-blowers (11) of fixed connection at washing case (2) both sides inner wall, the top of wasing case (2) is equipped with feed inlet (6) that are linked together, the inner wall of wasing case (2) is annular equidistance and is fixed with a plurality of squirts (7), the one side inner wall that washs case (2) each other keeps away from is vertical rotation and is connected with same U type pole (18), one side fixedly connected with driving motor (17) of wasing case (2), the output shaft of driving motor (17) extends to washing case (2) and with U type pole (18) fixed connection, the inner walls of one sides, far away from each other, of the cleaning boxes (2) are fixedly connected with fixing blocks (3), the tops of the two fixing blocks (3) are fixedly connected with first springs (4), the top ends of the two first springs (4) are fixedly connected with a sieve plate (5) which is in sliding connection with the inner wall of the cleaning box (2), the sieve plate (5) is located above the U-shaped rod (18), and a liquid outlet pipe (8) which is communicated with the bottom of the cleaning box (2) and penetrates through the workbench (1) is arranged at the bottom of the cleaning box (2);
the cleaning assembly further comprises an electric telescopic rod (15) rotatably connected to one side of the cleaning box (2), a first rotating plate (13) is rotatably connected to one side of the cleaning box (2), a rotating shaft (12) penetrating through the first rotating plate (13) is rotatably connected to the cleaning box (2), one end, close to the electric telescopic rod (15), of the rotating shaft (12) extends to the outer side of the cleaning box (2) and is fixedly connected with an arc-shaped plate (14) with an arc-shaped groove, a piston rod of the electric telescopic rod (15) is fixedly connected with a sliding block (16) with a protruding portion, and the protruding portion of the sliding block (16) extends into the arc-shaped groove of the arc-shaped plate (14) and is in sliding connection with the arc-shaped groove of the arc-shaped plate (14);
concentrated sulfuric acid reaction box (10) and calcium hydroxide reaction box (21) are placed below the workbench (1), the concentrated sulfuric acid reaction box (10) is respectively connected with the grinding box (19) and the calcium hydroxide reaction box (21) through hoses, a valve (22) is fixedly installed on the outer wall of the hose between the concentrated sulfuric acid reaction box (10) and the calcium hydroxide reaction box (21), the top of the workbench (1) is fixedly connected with a sodium carbonate solution reaction box (23), a component for preparing lithium carbonate is arranged in the sodium carbonate solution reaction box (23), the component for preparing comprises a hydraulic cylinder (24) fixedly connected to the top of the sodium carbonate solution reaction box (23), the inner wall of one side, far away from each other, of the sodium carbonate solution reaction box (23) is connected with a push plate (25) with a plurality of inclined holes in a sliding mode, and a piston rod of the hydraulic cylinder (24) extends into the sodium carbonate solution reaction box (23) and is fixedly connected with the top of the push plate (25), the bottom of the push plate (25) is fixedly connected with a bump (26), the top of the workbench (1) is positioned at one side of a sodium carbonate solution reaction box (23) and is fixedly connected with a liquid pump (34), a liquid inlet and a liquid outlet of the liquid pump (34) are respectively communicated with a calcium hydroxide reaction box (21) and the sodium carbonate solution reaction box (23) through hoses, the bottom of the sodium carbonate solution reaction box (23) is rotatably connected with a second rotating plate (27) with a tapered hole, the bump (26) is positioned right above the tapered hole of the second rotating plate (27), the top of the second rotating plate (27) is fixedly embedded with a plurality of carbon fiber heating sheets (39), one side of the sodium carbonate solution reaction box (23) is fixedly connected with an air cylinder (32), a piston rod of the air cylinder (32) is fixedly connected with a rotating block (33) which is in sliding connection with the top of the second rotating plate (27), a solution collecting box (35) is arranged below the workbench (1), and a collecting box (9) positioned below the second rotating plate (27) is arranged on one side of the workbench (1);
the preparation subassembly still includes fixed box (28) of fixed connection in second rotating plate (27) bottom and below second rotating plate (27) bell mouth, a plurality of second springs (29) of the bottom inner wall fixedly connected with of fixed box (28), it is a plurality of the same fixed plate (30) of top fixedly connected with of second spring (29), the top fixedly connected with of fixed plate (30) and second rotating plate (27) bell mouth matched with toper piece (31), solution collecting box (35) and fixed box (28) are linked together through the hose.
2. The lithium carbonate high-efficiency separating and refining device according to claim 1, wherein two symmetrical inclined plates (36) are fixedly connected to the inner wall of the bottom of the cleaning box (2).
3. The lithium carbonate high-efficiency separating and refining device according to claim 2, wherein a second sealing ring (20) positioned above a second rotating plate (27) is fixedly connected to the inner wall of the sodium carbonate solution reaction box (23).
4. The lithium carbonate high-efficiency separating and refining device according to claim 3, wherein a sealing gasket (37) is fixedly sleeved on the outer wall of the conical block (31).
5. The lithium carbonate high-efficiency separating and refining device according to claim 4, wherein the top of the fixed plate (30) is fixedly connected with a first sealing ring (38) by taking the conical block (31) as a center, and the top of the first sealing ring (38) is in contact with the bottom of the second rotating plate (27).
6. The use method of the device for efficiently separating and refining lithium carbonate according to claim 5 is characterized in that: it comprises the following steps:
s1, putting the lepidolite ore into the cleaning box (2) through the feeding hole (6), enabling the ore to fall on the sieve plate (5), starting the air blower (11) and the driving motor (17), driving the U-shaped rod (18) to rotate by the driving motor (17), driving the ore to move up and down by the sieve plate (5) along with the rotation of the U-shaped rod (18), blowing dust on the surface layer of the ore downwards by the air blower (11), starting the water gun (7), spraying and cleaning the ore on the sieve plate (5) by the water gun (7), further cleaning the dust on the surface layer of the ore, and after cleaning is finished, drying moisture on the surface layer of the ore by the air blower (11);
s2, starting the electric telescopic rod (15), driving the sliding block (16) to contract by the piston rod of the electric telescopic rod (15), rotating the rotating shaft (12) as a fulcrum along with the moving arc-shaped plate (14) of the sliding block (16), further enabling the rotating shaft (12) to rotate along with the sliding block, enabling ores to fall into a grinding box (19) along the sieve plate (5), and grinding the ores by the grinding box (19);
s3, feeding the ground ore into a concentrated sulfuric acid reaction box (10), mixing the ground ore with 85% concentrated sulfuric acid, filtering after the reaction is finished to obtain a solution A, feeding the solution A into a calcium hydroxide reaction box (21), reacting the solution A in the calcium hydroxide reaction box (21) to obtain a solution B, and then conveying the solution B into a sodium carbonate solution reaction box (23) through a liquid drawing pump (34);
s4, starting a hydraulic cylinder (24), wherein a piston rod of the hydraulic cylinder (24) pushes a push plate (25) and a bump (26) to move up and down, when the push plate (25) moves up and down, a solution in a sodium carbonate solution reaction box (23) flows through an inclined hole in the push plate (25), so that the reaction of the solution B and the sodium carbonate solution in the sodium carbonate solution reaction box (23) can be accelerated, then a carbon fiber heating sheet (39) is started, the carbon fiber heating sheet (39) heats the sodium carbonate solution in the sodium carbonate solution reaction box (23), and lithium carbonate in the sodium carbonate solution reaction box (23) is rapidly precipitated along with the heating of the carbon fiber heating sheet (39) due to the low solubility of lithium carbonate in hot water;
s5, a piston rod of a hydraulic cylinder (24) pushes a push plate (25) and a bump (26) to move downwards, the bump (26) pushes a conical block (31) and a fixed plate (30) to move downwards, a second spring (29) starts to compress, the sealing of the conical block (31) on an inner conical hole of a second rotating plate (27) is relieved, and sodium carbonate in a sodium carbonate solution reaction box (23) flows into a solution collection box (35) through a fixed box (28);
s6, starting the air cylinder (32), wherein a piston rod of the air cylinder (32) pushes the second rotating plate (27) to rotate through the rotating block (33), and then the solid lithium carbonate on the second rotating plate (27) can be rolled down into the collecting box (9).
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| CN105329921A (en) * | 2015-12-08 | 2016-02-17 | 汕头市泛世矿业有限公司 | Three-in-one preparing technology for high-purity lithium carbonate |
| CN107098365B (en) * | 2017-05-17 | 2018-08-31 | 江西南氏锂电新材料有限公司 | A method of extracting lithium carbonate from lepidolite ore |
| CN107792868A (en) * | 2017-12-01 | 2018-03-13 | 响水台舍化工有限公司 | A kind of lithium carbonate refines purifying plant |
| CN110686494B (en) * | 2019-11-13 | 2021-02-12 | 江西金辉锂业有限公司 | Refined lithium carbonate device |
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