CN222428016U - Lithium equipment is carried in salt lake - Google Patents

Abstract

The lithium extracting device for salt lake effectively solves the problems that partial lithium carbonate crystals are easy to adhere to the inner wall of a tank body and the like in the mixing process of lithium liquid and sodium carbonate; the lithium carbonate crystal filter comprises a shell and a feeding assembly arranged at the top of the shell, wherein the feeding assembly comprises two feeding inlets, a stirring shaft is coaxially arranged in the shell, the tail end of the stirring shaft penetrates through the shell, a spiral blade is coaxially fixed on the stirring shaft, a conical plate positioned below the spiral blade is coaxially fixed in the shell, the shell is divided into an upper cavity and a lower cavity by the conical plate, the structure is ingenious, the use is convenient, the falling lithium carbonate crystals are buffered by the arc-shaped cylinder through the conical plate, the arc-shaped cylinder, the bearing plate and the like, the lithium carbonate crystals are prevented from being directly impacted on the bearing plate to be broken, and meanwhile, the filter holes are washed by the accelerated sodium chloride solution, so that the filter holes are prevented from being blocked by fine substances carried in the solution.

Description

Lithium equipment is carried in salt lake

Technical Field

The utility model relates to the technical field of lithium extraction devices, in particular to a lithium extraction device for a salt lake.

Background

With the wide application of lithium and lithium salts and the continuous development of high and new technologies, particularly in recent years, the development of lithium battery industry is rapid, and the demand of lithium in the market is rapidly growing.

The patent application number 202223606831.2 discloses a device for extracting lithium from a salt lake, which comprises a device body, wherein a liquid outlet is fixedly arranged on the rear side of the device body, a discharge outlet is formed in the right side of the device body, a treatment bin is formed in the device body, a solid-liquid separation mechanism is arranged in the treatment bin, a conveying pipe is fixedly arranged on the left side of the top of the device body, a material electromagnetic valve is fixedly arranged on the outer side of the conveying pipe, a precipitation tank is fixedly arranged at the top end of the conveying pipe, a sealing cover is fixedly arranged on the top surface of the precipitation tank through screws, a feed inlet and a driving motor are respectively fixedly arranged at the top of the sealing cover, and the purpose of relieving the blocking condition of a filter plate is achieved through a solid-liquid separation mechanism arranged in the device for extracting lithium from the salt lake, so that the separation effect between a NaCL solution and Li2CO3 is ensured, and the efficiency of extracting lithium from the device is improved.

However, the existing lithium extraction equipment for salt lakes has the following problems:

1. When lithium liquid and sodium carbonate are mixed in lithium extraction equipment, lithium carbonate obtained by mixing is irregular crystal, and when the lithium carbonate crystal is downwards blanked, part of the lithium carbonate crystal is easy to break due to direct impact on a sieve plate, so that not only is lithium carbonate wasted, but also broken fine particles are easy to block filter holes, and the solid-liquid separation is influenced.

2. In the mixing process of lithium liquid and sodium carbonate, part of lithium carbonate crystals are easy to adhere to the inner wall of the tank body, and the lithium carbonate crystals are very inconvenient to clean after long-time use of equipment.

Disclosure of utility model

Aiming at the situation, the utility model aims to overcome the defects of the prior art and provide the salt lake lithium extraction equipment, which effectively solves the problems in the background art.

The technical scheme includes that the stirring device comprises a shell and a feeding assembly arranged at the top of the shell, wherein the feeding assembly comprises two feeding inlets, a stirring shaft is coaxially arranged in the shell, the tail end of the stirring shaft penetrates through the shell, a spiral blade is coaxially fixed on the stirring shaft, a conical plate positioned below the spiral blade is coaxially fixed in the shell, the shell is divided into an upper cavity and a lower cavity by the conical plate, an arc-shaped cylinder coaxially fixed with the stirring shaft is arranged below the conical plate, a receiving plate is coaxially fixed at the bottom of the arc-shaped cylinder, filtering holes are formed in the arc-shaped cylinder and the receiving plate, and a stirring motor positioned at the top of the shell is coaxially fixed on the stirring shaft;

The conical plate comprises an inclined conical portion and a vertical portion, a cylinder is fixed on the vertical portion, two semicircular baffles are arranged in the cylinder, semicircular holes matched with a stirring shaft are formed in the two baffles, threaded rods penetrating through the cylinder are fixed on the semicircular plates, threaded cylinders are connected to the threaded rods in a threaded mode respectively, a transmission gear with the same axis is sleeved on the threaded cylinders, the transmission gear is connected with the cylinder in a rotating mode, toothed plates located below the cylinder are coaxially rotated on the vertical portion, toothed rings are fixed at the outer edge of the toothed plates, the transmission gear is meshed with the toothed rings respectively, a transmission motor is fixed above the cylinder, and a transmission gear is coaxially fixed at the output end of the transmission motor and meshed with the toothed rings.

Preferably, the stirring shaft is coaxially fixed with a plurality of scraping frames uniformly distributed on the circumference, the scraping frames are respectively attached to the inner wall of the shell and the conical part, and a scraper is fixed on the side face of the scraping frame.

Preferably, the cavity is formed in the stirring shaft, the spraying groove is formed in the scraping frame, the flow guide hole penetrating through the cavity and the spraying groove is formed in the stirring shaft, the through groove is formed in the joint surface of the scraping frame, the inner wall of the shell and the conical part, and a plurality of spraying holes penetrating into the spraying groove are formed in the through groove.

Preferably, the outer wall of the shell is obliquely provided with a guide chute matched with the bearing plate, the lowest point of the guide chute is provided with a discharge hole, the bottom of the shell is an inclined plane, and the side wall of the shell is provided with a liquid outlet pipe positioned at the lowest point of the inclined plane.

Preferably, joint surfaces of the two baffles are provided with sealing rubber strips.

Preferably, a water inlet pipe is arranged at the bottom of the stirring shaft, and the water inlet pipe is rotationally connected with the stirring shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. Through setting up such as conical plate, arc section of thick bamboo and accept the board, after lithium liquid and sodium carbonate fuse completely, drive motor starts with two baffles separation, and lithium carbonate crystallization and sodium chloride solution that both formed are fallen by vertical portion, and arc section of thick bamboo buffers the lithium carbonate crystallization that falls, avoids crystallization direct impact to accept the board on causing the lithium carbonate to take place broken condition to take place, and the sodium chloride solution that accelerates simultaneously also can wash the filtration pore, avoids the tiny material that carries in the solution to block up the filtration pore.

2. Through setting up such as scraper and strike off the frame, strike off the frame and rotate along with the (mixing) shaft, in rotatory in-process, the scraper clears up the inner wall of casing.

3. Through setting up inlet tube, spout groove and orifice etc. when wasing the inner wall, start agitator motor for the (mixing) shaft drives and scrapes the frame rotatory, then the workman only needs to link to each other inlet tube and water pump and water source, and clear water loops through the cavity, spouts the groove, then spouts through the orifice, cooperates the scraper on this basis not only conveniently washs and possess better cleaning performance.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is a schematic view of the structure of the arc-shaped barrel in the utility model.

Fig. 4 is a schematic view of the structure of the tapered plate of the present utility model.

Fig. 5 is a schematic view of the structure of the baffle plate in the present utility model.

Fig. 6 is a schematic view of the structure of the scraper supporter in the present utility model.

FIG. 7 is a schematic view of the structure of the jet flow groove in the present utility model.

Reference numerals in the schematic drawings illustrate:

10. The device comprises a shell, 101, an upper chamber, 102, a lower chamber, 11, a feed inlet, 12, a stirring shaft, 121, a cavity, 122, a diversion hole, 13, a spiral blade, 14, a stirring motor, 15, a liquid outlet pipe, 20, a conical plate, 201, a conical part, 202, a vertical part, 203, a cylinder, 30, an arc cylinder, 31, a bearing plate, 40, a baffle plate, 401, a semicircular hole, 402, a threaded rod, 41, a threaded cylinder, 42, a transmission gear, 43, a toothed plate, 44, a toothed ring, 45, a transmission motor, 46, a transmission gear, 50, a scraping frame, 501, a jet slot, 51, a scraper, 52, a through slot, 53, a jet hole, 60, a diversion slot, 61, a discharge hole, 70 and a water inlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The device is provided by fig. 1 to 5, and comprises a shell 10 and a feeding assembly arranged at the top of the shell 10, wherein the feeding assembly comprises two feeding ports 11, lithium liquid and sodium carbonate powder are respectively poured into the shell 10 through the two feeding ports 11, a stirring shaft 12 is coaxially arranged in the shell 10, the tail end of the stirring shaft 12 penetrates through the shell 10, the stirring shaft 12 is rotationally connected with the shell 10, a spiral blade 13 is coaxially fixed on the stirring shaft 12, a conical plate 20 positioned below the spiral blade 13 is coaxially fixed in the shell 10, the conical plate 20 divides the shell 10 into an upper cavity 101 and a lower cavity 102, when lithium carbonate crystals and sodium chloride solution fall from the conical plate 20, the flow speed of the solution can be accelerated, an arc-shaped cylinder 30 coaxially fixed with the stirring shaft 12 is arranged below the conical plate 20 and is used for bearing the lithium carbonate crystals falling from the conical plate 20, the bottom of the arc-shaped cylinder 30 is coaxially fixed with a plate 31, the conical plate 30 and a motor 31 is coaxially fixed on the bottom of the arc-shaped cylinder 30, and the conical plate 31 is arranged on the stirring shaft is coaxially, and the conical plate is separated from the shell 12 when the lithium carbonate crystals and the sodium chloride solution falls from the conical plate 12, and the stirring plate is coaxially arranged on the top of the stirring plate 12, and the stirring plate is separated from the stirring plate 14;

Considering that a special valve needs to be arranged in the conical plate 20, the conical plate 20 comprises an inclined conical part 201 and a vertical part 202, a cylinder 203 is fixed on the vertical part 202, two semicircular baffles 40 are arranged in the cylinder 203, semicircular holes 401 matched with the stirring shaft 12 are formed in the two baffles 40, sealing strips are arranged on the joint surfaces of the two baffles 40, when the two semicircular plates are close to each other and form a round shape, the sealing strips are jointed with the stirring shaft 12, the sealing performance of the upper cavity 101 and the lower cavity 102 is enhanced, the two semicircular plates are fixed with threaded rods 402 penetrating through the cylinder 203, the threaded rods 402 are respectively connected with a threaded cylinder 41 in a threaded manner, a coaxial transmission gear 42 is sleeved on the threaded cylinder 41, the transmission gear 42 is rotatably connected with the cylinder 203, the toothed plate 43 positioned below the cylinder 203 is coaxially rotated on the vertical part 202, the toothed rings 44 are fixed at the outer edge of the toothed plate 43, the two transmission gears 42 are respectively meshed with the toothed rings 44, the transmission motor 45 is fixed above the cylinder 203, the transmission gear 46 is coaxially fixed at the output end of the transmission motor 45, the transmission gear 46 is meshed with the toothed rings 44, when lithium liquid and sodium carbonate are mixed in the shell 10, the stirring motor 14 is started to drive the stirring shaft 12 and the helical blades 13 to rotate, lithium carbonate crystals are formed by accelerating the fusion of the lithium liquid and the sodium carbonate in the shell 10, after a period of fusion, the transmission motor 45 is started, the two baffles 40 move in a direction away from the stirring shaft 12, the flow rate of the sodium chloride solution and the lithium carbonate crystals generated in the process of passing through the vertical part 202 of the conical plate 20 is increased, the lithium carbonate crystals are protected from being broken by buffering of the arc-shaped barrel 30, the arc-shaped barrel 30 is cleaned by the accelerated sodium chloride solution, irregular corners of the lithium carbonate crystals are prevented from being embedded into filter holes, fine impurities carried in the solution are prevented from being blocked in the filter holes, finally, the lithium carbonate crystals are gathered towards the outer edge of the bearing plate 31 under the action of centrifugal force, and the shell 10 is opened again by workers to be collected.

Referring to fig. 6, considering that lithium solution and sodium carbonate solution are mixed, a part of generated lithium carbonate crystals are adhered to the inner wall of the upper chamber 101, a plurality of scraping frames 50 uniformly distributed around the circumference are coaxially fixed on the stirring shaft 12, the scraping frames 50 are respectively attached to the inner wall of the shell 10 and the conical part 201, the scraping frames are fixed with scrapers 51 on the sides thereof, the scrapers 51 and the scraping frames 50 are arranged, and the scraping frames 50 rotate along with the stirring shaft 12, and the scrapers 51 clean the inner wall of the shell 10 during rotation.

Referring to fig. 6 and 7, considering that lithium liquid or sodium chloride solution is easy to remain on the inner wall of the casing 10, the inside of the casing 10 needs to be cleaned regularly, in order to facilitate cleaning, a cavity 121 is formed in the inside of the stirring shaft 12, a spraying groove 501 is formed in the inside of the scraping frame 50, a flow guiding hole 122 penetrating through the cavity 121 and the spraying groove 501 is formed in the stirring shaft 12, a through groove 52 is formed in the joint surface of the scraping frame 50 and the inner wall of the casing 10 and the conical portion 201, a plurality of spraying holes 53 penetrating into the spraying groove 501 are formed in the through groove 52, a water inlet pipe 70 is arranged at the bottom of the stirring shaft 12, the water inlet pipe 70 is connected with the stirring shaft 12 in a rotating manner, and through the arrangement of the water inlet pipe 70, the spraying groove 501, the spraying holes 53 and the like, when the inner wall is cleaned, the stirring motor 14 is started, the stirring shaft 12 drives the scraping frame 50 to rotate, then workers only need to connect the water inlet pipe 70 with a water pump and a water source, clean water sequentially passes through the cavity 121, the spraying groove 501 and then the spraying scraper 51 is matched with the scraper 51 on the basis to have a cleaning effect which is not convenient and has a better cleaning effect.

Referring to fig. 1 and 2, considering that lithium carbonate crystals are collected at the outer edge of the receiving plate 31, there is a problem that the lithium carbonate crystals are inconvenient to collect, a guide groove 60 matched with the receiving plate 31 is obliquely arranged on the outer wall of the shell 10, a discharge hole 61 is arranged at the lowest point of the guide groove 60 and is used for discharging the lithium carbonate crystals, the bottom of the shell 10 is an inclined plane, a liquid outlet pipe 15 positioned at the lowest point of the inclined plane is arranged on the side wall of the shell 10 and is used for discharging waste liquid, such as sodium chloride solution, the lithium carbonate crystals enter the guide groove 60 under the action of centrifugal force through the guide groove and the discharge hole 61, and the lithium carbonate crystals are discharged from the discharge hole 61 under the action of gravity due to the fact that the guide groove 60 has a certain inclination angle, and meanwhile, materials with smooth surfaces and difficult adhesion are selected as inner liners of the guide groove 60 for facilitating the discharge of the lithium carbonate crystals.

The utility model is used when:

firstly, respectively throwing lithium liquid and sodium carbonate into a shell 10 through two feed inlets 11, starting a stirring motor 14 to drive a stirring shaft 12 and a spiral blade 13 to rotate, after a period of fusion, finally reacting the lithium liquid and the sodium carbonate in the shell into lithium carbonate crystal and sodium chloride solution, and simultaneously cleaning the inner wall of the shell 10 by a scraper 51 along with the rotation of a scraping frame 50;

Then, the transmission motor 45 is started, the two baffles 40 are mutually far away under the drive of the gear ring 44, the transmission gear 42, the thread cylinder 41, the threaded rod 402 and other components, and lithium carbonate crystals and sodium chloride solution are discharged from the vertical part 202;

Secondly, lithium carbonate crystals firstly pass through the buffer of the arc-shaped barrel 30 in the falling process, the condition that the lithium carbonate crystals directly impact on the bearing plate 31 to cause crystallization breaking is avoided, when the lithium carbonate crystals fall on the bearing plate 31, solid-liquid separation is basically completed, at the moment, the lithium carbonate crystals enter the inside of the guide chute 60 under the action of centrifugal force, and finally, the lithium carbonate crystals are discharged from the discharge hole 61 under the action of gravity, and sodium chloride solution is discharged from the liquid outlet pipe 15;

Finally, when the shell 10 is cleaned, the stirring motor 14 is started, the stirring shaft 12 drives the scraping frame 50 to rotate, then a worker only needs to connect the water inlet pipe 70 with the water pump and the water source, clear water sequentially passes through the cavity 121, the jet flow groove 501 and then is ejected through the jet hole 53, and on the basis, the scraper 51 is matched, so that the cleaning is convenient, and a better cleaning effect is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a salt lake lithium extraction equipment, includes casing (10), arranges the feeding subassembly at casing (10) top in, its characterized in that, feeding subassembly includes two feed inlets (11), coaxial stirring axle (12) are provided with in casing (10), the terminal of stirring axle (12) runs through casing (10), coaxial helical blade (13) are fixed with on stirring axle (12), coaxial conical plate (20) that are located helical blade (13) below are fixed with in casing (10), conical plate (20) divide casing (10) into upper chamber (101) and lower chamber (102), the below of conical plate (20) is provided with arc section of thick bamboo (30) with stirring axle (12) coaxial fixation, the bottom coaxial bearing plate (31) of arc section of thick bamboo (30), all open the filtration pore on arc section of thick bamboo (30) and the bearing plate (31), coaxial stirring motor (14) that are located casing (10) top are fixed with on stirring axle (12).

Tapered plate (20) are including toper portion (201) and vertical portion (202) of slope, be fixed with drum (203) on vertical portion (202), the inside of drum (203) is provided with two semicircular baffle (40), all offered semicircle hole (401) that match with (mixing) shaft (12) on two baffle (40), two baffle (40) all are fixed with threaded rod (402) that run through drum (203), two respectively threaded connection have screw thread section of thick bamboo (41) on threaded rod (402), the cover is equipped with transmission gear (42) with the axle center on screw thread section of thick bamboo (41), transmission gear (42) are connected with drum (203) rotation, coaxial rotation has toothed plate (43) that are located drum (203) below on vertical portion (202), the outer fringe department of toothed plate (43) is fixed with ring (44), two transmission gear (42) mesh with ring (44) respectively, the top of drum (203) is fixed with driving motor (45), transmission motor (45) output coaxial gear (46) have transmission ring (46) to be meshed with ring (46).

2. The lithium extraction device for salt lakes according to claim 1, wherein a plurality of scraping frames (50) uniformly distributed on the circumference are coaxially fixed on the stirring shaft (12), the scraping frames (50) are respectively attached to the inner wall of the shell (10) and the conical part (201), and a scraper (51) is fixed on the side surface of each scraping frame (50).

3. The lithium extraction device of claim 2, wherein the stirring shaft (12) is provided with a cavity (121), the stirring shaft (12) is provided with a jet flow groove (501) inside, the stirring shaft (12) is provided with a guide flow hole (122) penetrating through the cavity (121) and the jet flow groove (501), the joint surface of the stirring shaft (12) and the inner wall of the shell (10) and the conical part (201) is provided with a through groove (52), and the through groove (52) is provided with a plurality of jet holes (53) penetrating into the jet flow groove (501).

4. A salt lake lithium extraction device according to claim 3, wherein a guide groove (60) matched with the receiving plate (31) is obliquely arranged on the outer wall of the shell (10), a discharge hole (61) is formed in the lowest point of the guide groove (60), the bottom of the shell (10) is an inclined plane, and a liquid outlet pipe (15) positioned at the lowest point of the inclined plane is formed in the side wall of the shell (10).

5. A salt lake lithium extraction device according to claim 1, characterized in that the joint surfaces of both baffles (40) are provided with sealing strips.

6. A salt lake lithium extraction device according to claim 1, characterized in that the bottom of the stirring shaft (12) is provided with a water inlet pipe (70), the water inlet pipe (70) being in rotational connection with the stirring shaft (12).