CN115744941A - Low-loss adsorbent salt lake brine adsorption lithium extraction equipment - Google Patents
Low-loss adsorbent salt lake brine adsorption lithium extraction equipment Download PDFInfo
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- CN115744941A CN115744941A CN202211428057.2A CN202211428057A CN115744941A CN 115744941 A CN115744941 A CN 115744941A CN 202211428057 A CN202211428057 A CN 202211428057A CN 115744941 A CN115744941 A CN 115744941A
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Abstract
The invention discloses a low-loss adsorbent lithium extraction device by salt lake brine adsorption, and belongs to the technical field of lithium extraction in salt lakes. The salt lake brine extraction device comprises a water taking device, a water inlet pipe, an extraction kettle and a separator, wherein a main valve is connected between the water inlet pipe and the water taking device, the water inlet pipe is L-shaped, a drain pipe is arranged inside the water inlet pipe, one end of the drain pipe extends out of the water inlet pipe, one end of the water inlet pipe is connected with the extraction kettle, a filtering mechanism is arranged inside the water inlet pipe, the filtering assembly filters salt lake brine, a feeding pipe is connected to the extraction kettle, the feeding pipe adds an adsorbent into the extraction kettle, a catalytic mechanism is arranged in the extraction kettle, the separator is connected with the extraction kettle through a pipeline, and the separator separates the adsorbent from the salt lake brine.
Description
Technical Field
The invention relates to the technical field of lithium extraction from salt lakes, in particular to a low-loss adsorbent lithium extraction device by absorbing salt lake brine.
Background
Since the 20 th century, the new energy market has a tendency of vigorous growth in China, and the most obvious embodiment in daily life lies in the appearance and popularization of new energy vehicles, the power source of the new energy vehicles is derived from lithium batteries, the main raw material of the lithium batteries is lithium carbonate, more than 70% of lithium around the world is rarely known to be extracted from salt lakes rich in mineral substances, the cost for extracting lithium from salt lake brine is relatively low, industrial-grade lithium carbonate can be directly obtained and can be converted into deep-processed lithium products after purification, and China has to rely on import for a long time because the technical barriers for extracting lithium are difficult to break through, so that the extraction process of lithium is listed in the catalogue of national strategic minerals, and the extraction technology of lithium is mastered in hands.
However, the current domestic salt lake lithium extraction technology still faces many parts needing improvement, such as high doping amount in salt lake brine, low filtration efficiency, insufficient reaction between a catalytic solution and the salt lake brine, low lithium extraction efficiency, incomplete separation of the catalytic solution and the salt lake brine, and lithium waste.
Disclosure of Invention
The invention aims to provide a low-loss adsorbent salt lake brine adsorption lithium extraction device to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a low-loss adsorbent salt lake brine adsorbs carries lithium equipment, includes water intake device, inlet tube, extraction cauldron, separator, the water intake device extraction salt lake brine, be connected with the main valve between inlet tube and the water intake device, the inlet tube is L shape, and the inside of inlet tube is provided with the blow off pipe, the one end of blow off pipe stretches out outside the inlet tube, the one end of inlet tube is connected with the extraction cauldron, the inside of inlet tube is provided with filtering mechanism, filtering component filters salt lake brine, be connected with the filling tube on the extraction cauldron, the filling tube adds the adsorbent to the extraction cauldron, is provided with catalytic mechanism in the extraction cauldron, the separator is connected with the extraction cauldron through the pipeline, the separator separates adsorbent and salt lake brine.
Further, filtering mechanism includes the toper filter plate, scrapes dirty ware, the one end that the extraction cauldron is close to in the inside of inlet tube is set up to the toper filter plate, it is provided with water wheels to rotate on the blow off pipe, it is connected with water wheels through the support to scrape dirty ware, scrapes dirty ware and contacts with the toper filter plate, scrapes and is connected with bent venturi tube on the dirty ware, the one end and the blow off pipe of bent venturi tube rotate and meet mutually, the one end that bent venturi tube is close to and scrapes dirty ware is provided with the rubber block that the three lamellas are the same, three lamellas the rubber block carries out the shutoff to bent venturi tube, after the main valve is opened, water intake device sends into salt lake brine into the inlet tube, salt lake brine flows into in the extraction cauldron after filtering through the toper filter plate, and impurity and the silt particle of suspension in the salt lake brine are all intercepted by the toper filter plate, and the supplementary surface at the toper filter plate of silt particle of interception, and the water wheel that the flowing drives the water wheels rotation, drives the surface rotation of the water wheels and scrapes the ware and laminates the surface of toper filter plate, and scrapes suspension and pushes down and pushes into the inside of toper filter plate, keeps the toper impurity on the toper filter plate surface of toper impurity of toper, and the toper impurity of silt to the toper filter plate, and depends on the clean surface of toper filter plate, and the efficient.
Further, the elongated slot has been seted up on the dirt scraper, the doctor-bar is installed to one side of elongated slot, the doctor-bar contacts with toper filter plate surface, filtering mechanism still includes servo motor, auger, servo motor sets up the inside at the dirt scraper, the auger rotates and installs the position department that corresponds the elongated slot in the dirt scraper, the auger is connected with servo motor's motor shaft, servo motor circular telegram drives the auger rotatory, the auger will push into the inside suspension impurity of dirt scraper and silt particle and remove to the direction of bent shape pipe for suspension impurity and silt particle are at bent shape mouth of pipe department accumulation, the auger extrudees the granule impurity of accumulation, final granule impurity pushes away three-clack rubber block and enters into bent shape pipe, three-clack rubber block plays the effect that prevents brine from the outside seepage of bent shape pipe, granule impurity moves to the blow off pipe along bent shape pipe in, discharge pipe outwards discharges.
Further, the bottom of the extraction kettle is provided with a water pump, the water pumping end of the water pump is communicated with the inside of the extraction kettle, the water pressing end of the water pump is connected with a reversing ball valve through a pipeline, a circulating pipe is arranged between the reversing ball valve and the top of the extraction kettle, the catalytic mechanism comprises a cross-shaped flow divider, the cross-shaped flow divider is arranged at the top end of the inside of the extraction kettle and communicated with the circulating pipe, four water distribution pipes are uniformly distributed in a cross shape, a water spray nozzle is arranged on each water distribution pipe, each water spray nozzle is obliquely arranged relative to the central line of the extraction kettle, an adsorbent is added into the extraction kettle from a feeding pipe and mixed with filtered salt lake brine in the extraction kettle, the water pump extracts the mixed liquid of the adsorbent and the salt lake brine, the mixed liquid is introduced into the circulating pipe and the cross-shaped flow divider and then is ejected at a high speed through the water spray nozzles to impact the liquid in the extraction kettle, so that the impact mixing effect is achieved, and the inclined water flow ejected from the water spray nozzles drives the liquid in the extraction kettle to form vortex rotation along one direction, and the mixed adsorbent and salt lake brine efficiency is improved.
Furthermore, the catalytic mechanism includes four wave wheels and four oscillation strips, each wave wheel is rotatably installed in the extraction kettle, the four wave wheels are respectively close to four water nozzles, one side of each wave wheel is coaxially connected with a knocking wheel, each knocking wheel is uniformly provided with a plurality of springs, each spring is connected with a small ball and four oscillation strips are installed in the extraction kettle, the four oscillation strips are respectively close to the four knocking wheels, the small balls at the upper ends of the knocking wheels impact the oscillation strips, part of high-speed water flow emitted by the water nozzles directly impacts liquid in the extraction kettle, the wave wheels are driven to rotate by one part of the high-speed water flow, the wave wheels coaxially drive the knocking wheels to rotate at a high speed, the small balls on the knocking wheels continuously impact the oscillation strips, the oscillation strips are slender and two ends of the oscillation strips are fixed, the impacted oscillation waves are transmitted from one ends of the oscillation strips to another, the energy of the oscillation waves is reflected back and meets with the vibration waves transmitted from the front, so that high-frequency vibration standing waves of the adsorption agent and brine of the adsorption agent are combined with high-frequency brine in the brine, and the brine is more closely combined with the lithium ion brine.
Furthermore, a variable connecting pipe is connected between the reversing ball valve and the separator, the separator is a hollow rectangular block, a plurality of layers of distributing grating plates are arranged in the separator, a plurality of fractures are equidistantly formed in each layer of distributing grating plates, the plurality of fractures in each layer of distributing grating plates are sequentially arranged in a staggered mode, the reversing ball valve changes the conveying direction of the mixed solution, so that water pumped by the water pump flows along the variable connecting pipe, the mixed solution enters the separator, the separator divides the liquid flow into the plurality of layers through the distributing grating plates, the flow speed of the disordered liquid flow under the blocking of the distributing grating plates is gentle, the turbulent mixed solution is changed into laminar flow, the adsorbents and the salt lakes are layered, the low-density adsorbents float upwards, the high-density salt lake brine sinks, when the liquid flow of each layer passes through the fractures in the distributing grating plates, the adsorbents are gradually gathered towards the gaps between the upper distributing grating plates, the salt lake is gathered towards the lower layer, and after the two layers of liquids flow out of the separator reaches the detector, the two layers of liquids do not interfere with each other.
Further, the separator is kept away from the one end that becomes the takeover and is connected with the detector, the bottom of detector is provided with the laser pen, the laser pen slope sets up in the bottom surface of detector, the inside top of detector is provided with the photosensory board, and the laser pen sends out the ray light, and light passes mixed solution after passing salt lake brine again, shines on the photosensory board at last, and light does not pass one deck liquid and all can take place the refraction, and the density of salt lake brine is the fixed value, and ray light passes the position of salt lake brine back refraction ray on the photosensory board point completely and confirms, and the refractive index of adsorbent also is the liquid level thickness difference of the adsorbent of confirming and is the only variable that influences the ray refraction, detects the ray light that the laser pen sent through the photosensory board, judges the liquid flow thickness of adsorbent.
Furthermore, one end of the detector, which is far away from the separator, is connected with a separation tube, the height of the separation tube is lower than that of the detector, a baffle is arranged in the middle of the separation tube, the separation tube is divided into an upper layer and a lower layer by the baffle, a splitter plate is rotatably arranged in the separation tube, a worm wheel is rotatably arranged outside the separation tube, the rotation joint of the worm wheel and the splitter plate is coaxially connected, a brushless angle motor is further arranged outside the separation tube, a worm is arranged on the brushless angle motor, the worm is in meshing transmission with the worm wheel, the photosensitive plate and the brushless angle motor are connected with the same control system through a circuit, the brushless angle motor is electrified and rotates for a certain angle, the worm rotates synchronously, the splitter plate is driven to rotate through the worm wheel, the splitter plate divides the adsorbent from the salt lake brine, the separation rate of the adsorbent from the salt lake brine is improved, the loss of the adsorbent along with the salt lake brine is reduced, the salt lake brine is further treated and then discharged, the adsorbent is conveyed to the next process step to carry out the substantial extraction of lithium in a distillation mode, and the loss of the adsorbent in the cyclic utilization is reduced, so that the loss of the adsorbent is ensured, and the adsorbent in the process of extracting lithium is realized.
Compared with the prior art, the invention has the following beneficial effects:
1. utilize flowing salt lake brine to drive the water wheels rotatory, water wheels drive the surface rotation of scraping the dirty ware and laminating the toper filter plate, and the doctor-bar is scraped the suspended impurity and the silt granule on toper filter plate surface and is pushed into the inside of scraping the dirty ware, keeps the surface cleanness of toper filter plate, reduces suspended impurity and silt granule and depends on to toper filter plate surface, maintains the toper filter plate and to salt lake brine efficient filtering capacity.
2. The high-speed water flow ejected by the water nozzle drives the impeller to rotate, a plurality of small balls on the knocking wheel continuously collide with the oscillation strip, the collided oscillation wave is transmitted to the other fixed end from one end of the oscillation strip, the energy of the oscillation wave is reflected back and meets the face-to-face transmitted oscillation wave, so that standing waves of high-frequency oscillation are formed on the oscillation strip, the high-frequency oscillation of the oscillation strip enables mixed solution of the adsorbent and salt lake brine to generate high-frequency oscillation, the frequency of the combination of the adsorbent and the salt lake brine with incompatible liquid is higher and tighter, and magnesium elements and lithium elements in the salt lake brine are easier to dissolve into the adsorbent.
3. The liquid flow is divided into a plurality of layers by the diversion grating plate, the flow speed of disordered liquid flow under the blocking of the diversion grating plate becomes gentle, turbulent mixed solution becomes laminar flow, the adsorbent is gradually gathered to the gap between the upper diversion grating plate, salt lake brine is gathered to the lower layer, the flow of two layers of liquid is not interfered with each other, the separation rate of the adsorbent and the salt lake brine is improved, the loss of the adsorbent along with the salt lake brine is reduced, the loss rate of the adsorbent in cyclic utilization is ensured by reducing the loss of the adsorbent, and the low loss of the adsorbent in the process of adsorbing and extracting lithium is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the interior of the water intake riser of the present invention;
FIG. 3 is a schematic view showing the internal structure of the scraper according to the present invention;
FIG. 4 is a schematic cross-sectional view of the structure of the dirt scraper of the present invention;
FIG. 5 is a schematic view of the interior of an extraction vessel according to the present invention;
FIG. 6 is a schematic view of the enlarged partial structure of the area A in FIG. 5 according to the present invention;
FIG. 7 is a schematic cross-sectional view of an extraction vessel according to the present invention;
FIG. 8 is a schematic view of the separator section of the present invention;
FIG. 9 is a schematic view of the interior of the separator of the present invention;
in the figure: 1. a main valve; 2. a water inlet pipe; 3. an extraction kettle; 4. a water pump; 5. a reversing ball valve; 6. a circulation pipe; 7. changing the connecting pipe; 8. a separator; 9. a detector; 10. a separation tube; 11. a water wheel; 12. a sewage discharge pipe; 13. a dirt scraper; 14. a servo motor; 15. a packing auger; 16. scraping a blade; 17. a conical filter plate; 18. a cross-shaped flow divider; 19. a water spray nozzle; 20. an impeller; 21. a knocking wheel; 22. oscillating the bar; 23. a shunt fence plate; 24. a laser pen; 25. a light-sensing plate; 26. a splitter plate; 27. a worm gear; 28. a worm; 29. a brushless angle motor.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a low-loss adsorbent salt lake brine adsorbs carries lithium equipment, including the water intake device, inlet tube 2, extraction cauldron 3, separator 8, the water intake device extraction salt lake brine, be connected with main valve 1 between inlet tube 2 and the water intake device, inlet tube 2 is L shape, the inside of inlet tube 2 is provided with blow off pipe 12, the one end of blow off pipe 12 stretches out outside the inlet tube 2, the one end of inlet tube 2 is connected with extraction cauldron 3, the inside of inlet tube 2 is provided with filtering mechanism, filtering component filters salt lake brine, be connected with the filling tube on the extraction cauldron 3, the filling tube adds the adsorbent to extraction cauldron 3, be provided with catalysis mechanism in the extraction cauldron 3, separator 8 is connected with extraction cauldron 3 through the pipeline, separator 8 separates adsorbent and salt lake brine.
The filtering mechanism comprises a conical filter plate 17 and a dirt scraper 13, wherein the conical filter plate 17 is arranged at one end, close to the extraction kettle 3, in the water inlet pipe 2, a water wheel 11 is rotatably arranged on a drain pipe 12, the dirt scraper 13 is connected with the water wheel 11 through a support, the dirt scraper 13 is in contact with the conical filter plate 17, a curved pipe is connected to the dirt scraper 13, one end of the curved pipe is rotatably connected with the drain pipe 12, three rubber blocks with the same shape are arranged at one end, close to the dirt scraper 13, of the curved pipe, the three rubber blocks block blocks the curved pipe, a long groove is formed in the dirt scraper 13, a scraping blade 16 is installed at one side of the long groove, the scraping blade 16 is in contact with the surface of the conical filter plate 17, the filtering mechanism further comprises a servo motor 14 and an auger 15, the servo motor 14 is arranged in the dirt scraper 13, the auger 15 is rotatably installed in the dirt scraper 13 at a position corresponding to the long groove, and the auger 15 is connected with a motor shaft of the servo motor 14.
After the main valve 1 is opened, the water intake device sends salt lake brine into the water inlet pipe 2, the salt lake brine flows into the extraction kettle 3 after being filtered by the conical filter plate 17, impurities and silt particles suspended in the salt lake brine are all intercepted by the conical filter plate 17, the intercepted suspended impurities and silt particles are assisted on the surface of the conical filter plate 17, the flowing salt lake brine drives the water wheel 11 to rotate, the water wheel 11 drives the dirt scraper 13 to rotate along the surface of the conical filter plate 17, the scraper 16 scrapes the suspended impurities and the silt particles on the surface of the conical filter plate 17 down and pushes the suspended impurities and the silt particles into the dirt scraper 13, the surface of the conical filter plate 17 is kept clean, the attachment of the suspended impurities and the silt particles to the surface of the conical filter plate 17 is reduced, the efficient filtering capacity of the conical filter plate 17 on the salt lake brine is maintained, the servo motor 14 is electrified to drive the auger 15 to rotate, the auger 15 pushes the suspended impurities and the silt particles pushed into the scraper 13 down to move towards the curved pipe, the direction of the suspended impurities and the silt particles are accumulated at the pipe orifice, the accumulated particles are accumulated at the outlet, the three-section rubber valve is opened, the rubber block enters the three-section pipe to prevent the curved drain pipe 12 from leaking out, and the curved drain pipe.
The adsorbent is added into the extraction kettle 3 from a feeding pipe, the adsorbent is mixed with filtered salt lake brine in the extraction kettle 3, a water pump 4 extracts mixed liquid of the adsorbent and the salt lake brine, the mixed liquid is introduced into a circulating pipe 6 and a cross-shaped flow divider 18, and then is ejected at high speed through a water nozzle 19 to impact the liquid in the extraction kettle 3 to play a role in impact mixing, because the water flow ejected by the water nozzle 19 is inclined, the inclined water flow drives the liquid in the extraction kettle 3 to form vortex rotation along one direction, the mixing efficiency of the adsorbent and the salt lake brine is improved, a part of high-speed water flow ejected by the water nozzle 19 directly impacts the liquid in the extraction kettle 3, a part of high-speed water flow drives an impeller 20 to rotate, the impeller 20 coaxially drives a knocking wheel 21 to rotate at high speed, a plurality of small balls on the knocking wheel 21 continuously impact an oscillation strip 22, the oscillation strip 22 is slender and both ends of the oscillation strip are fixed, the impacted by the impacted oscillation wave after the impacted oscillation wave is transmitted from one end of the oscillation strip 22 to the other fixed end, the energy of the oscillation wave is reflected back and meets with the oscillation wave transmitted from the oscillation strip 22, so that high-frequency oscillation of the high-frequency vibration of the adsorption strip 22 is formed, the high-frequency oscillation of the high-frequency vibration magnesium lake brine, and the high-frequency vibration of the high-frequency vibration-frequency brine is combined with high-frequency magnesium elements in the salt lake brine, and the high-frequency vibration-frequency lithium salt lake brine.
The change-over pipe 7 is connected between the reversing ball valve 5 and the separator 8, the separator 8 is a hollow rectangular block, a plurality of layers of diversion grating plates 23 are arranged inside the separator 8, a plurality of fractures are equidistantly formed in each layer of diversion grating plate 23, the plurality of fractures on each layer of diversion grating plate 23 are sequentially arranged in a staggered mode, the reversing ball valve 5 changes the conveying direction of the mixed solution, so that water pumped by the water pump 4 flows along the change-over pipe 7, the mixed solution enters the separator 8, the separator 8 divides the liquid flow into the plurality of layers through the diversion grating plates 23, the flow speed of the disordered liquid flow under the blocking of the diversion grating plates 23 becomes gentle and turbulent, the mixed solution of the mixed solution becomes laminar flow, the adsorbents and salt lake brine in the mixed solution are layered, the floating of the small-density adsorbents is upwards floated, the high-density salt lake sinks, when the liquid flow of each layer passes through the fractures on the diversion grating plates 23, the adsorbents gradually converge towards the gap between the upper diversion grating plates 23, the salt lake brine is converged downwards, and after the separator 8 reaches the detector 9, the flow of the liquid does not interfere with each other layers.
The end, far away from adapter tube 7, of separator 8 is connected with detector 9, the bottom of detector 9 is provided with laser pen 24, laser pen 24 inclines to the bottom surface setting of detector 9, the inside top of detector 9 is provided with photosensitive plate 25, the end, far away from separator 8, of detector 9 is connected with separator 10, the height of separator 10 is less than detector 9, the middle part of separator 10 is equipped with the baffle, the baffle separates separator 10 into upper and lower two-layer, splitter plate 26 is installed in the internal rotation of separator 10, separator 10 is outer to rotate and is provided with worm wheel 27, worm wheel 27 and splitter plate 26's rotation junction coaxial coupling, separator 10 still is provided with brushless angle motor 29 outward, install worm 28 on the brushless angle motor 29, worm 28 and worm wheel 27 mesh transmission, photosensitive plate 25 and brushless angle motor 29 have same control system through circuit connection.
The laser pen 24 emits light, the light penetrates through the salt lake brine, then penetrates through the mixed solution, and finally irradiates on the light-sensitive plate 25, the light is refracted when not penetrating through a layer of liquid, the density of the salt lake brine is a fixed value, the light is determined when the light is refracted at the position of a falling point on the light-sensitive plate 25 after the light completely penetrates through the salt lake brine, the refractive index of the adsorbent is the only variable influencing light refraction when the liquid level thickness of the adsorbent is different, the light emitted by the laser pen 24 is detected through the light-sensitive plate 25, the liquid flow thickness of the adsorbent is judged, the brushless angle motor 29 is electrified and rotated for a certain angle, the worm 28 synchronously rotates, the flow distribution plate 26 is driven to rotate through the worm wheel 27, the flow distribution plate 26 divides the adsorbent from the salt lake brine, the separation rate of the adsorbent from the salt lake brine is improved, the loss of the adsorbent along with the salt lake brine is reduced, the salt lake brine is further treated and then discharged, the adsorbent is conveyed to the next process link for substantial extraction of lithium, and the loss of the adsorbent is ensured by reducing the loss of the adsorbent in the cycle utilization process of the lithium.
The working principle of the invention is as follows: when the lithium extraction device for the salt lake is used, the main valve 1 is opened, the water taking device sends salt lake brine into the water inlet pipe 2, the salt lake brine flows into the extraction kettle 3 after being filtered by the conical filter plate 17, suspended impurities and silt particles in the salt lake brine are all intercepted by the conical filter plate 17, the intercepted suspended impurities and silt particles are assisted on the surface of the conical filter plate 17, the flowing salt lake brine drives the water wheel 11 to rotate, the water wheel 11 drives the dirt scraper 13 to rotate along the surface of the conical filter plate 17, the scraper 16 scrapes the suspended impurities and the silt particles on the surface of the conical filter plate 17 down and pushes the suspended impurities and the silt particles into the dirt scraper 13, the surface of the conical filter plate 17 is kept clean, the attachment of the suspended impurities and the silt particles to the surface of the conical filter plate 17 is reduced, the efficient filtering capacity of the conical filter plate 17 on the salt lake brine is maintained, the servo motor 14 is electrified to drive the auger 15 to rotate, the auger 15 moves the suspended impurities and the silt particles pushed into the dirt scraper 13 toward the curved pipe, so that the suspended impurities and the silt particles are accumulated at the mouth of the curved valve are accumulated at the mouth of the mouth, the auger 15 extrudes the impurities and finally the impurities accumulated particles to move into the curved pipe along the curved discharge pipe 12, and the curved valve block to prevent the curved discharge pipe from leaking out of the curved pipe.
The adsorbent is added into the extraction kettle 3 from a feeding pipe, the adsorbent is mixed with filtered salt lake brine in the extraction kettle 3, a water pump 4 extracts mixed liquid of the adsorbent and the salt lake brine, the mixed liquid is introduced into a circulating pipe 6 and a cross-shaped flow divider 18, and then is ejected at high speed through a water nozzle 19 to impact the liquid in the extraction kettle 3 to play a role in impact mixing, because the water flow ejected by the water nozzle 19 is inclined, the inclined water flow drives the liquid in the extraction kettle 3 to form vortex rotation along one direction, the mixing efficiency of the adsorbent and the salt lake brine is improved, a part of high-speed water flow ejected by the water nozzle 19 directly impacts the liquid in the extraction kettle 3, a part of high-speed water flow drives an impeller 20 to rotate, the impeller 20 coaxially drives a knocking wheel 21 to rotate at high speed, a plurality of small balls on the knocking wheel 21 continuously impact an oscillation strip 22, the oscillation strip 22 is slender and both ends of the oscillation strip are fixed, the impacted by the impacted oscillation wave after the impacted oscillation wave is transmitted from one end of the oscillation strip 22 to the other fixed end, the energy of the oscillation wave is reflected back and meets with the oscillation wave transmitted from the oscillation strip 22, so that high-frequency oscillation of the high-frequency vibration of the adsorption strip 22 is formed, the high-frequency oscillation of the high-frequency vibration magnesium lake brine, and the high-frequency vibration of the high-frequency vibration-frequency brine is combined with high-frequency magnesium elements in the salt lake brine, and the high-frequency vibration-frequency lithium salt lake brine.
The reversing ball valve 5 changes the conveying direction of the mixed solution, so that water pumped by the water pump 4 flows along the variable connecting pipe 7, the mixed solution enters the separator 8, the separator 8 divides the liquid flow into a plurality of layers through the diversion grating plate 23, the flow speed of the disordered liquid flow under the blocking of the diversion grating plate 23 becomes gentle, the turbulent mixed solution flows into laminar flow, the adsorbent in the mixed solution is layered with the salt lake brine, the low-density adsorbent floats upwards, the high-density salt lake brine sinks, when the liquid flow of each layer passes through the fracture on the diversion grating plate 23, the adsorbent gradually converges towards the gap between the diversion grating plates 23 on the upper layer, the salt lake brine converges towards the lower layer, and after the outflow separator 8 reaches the detector 9, the flows of the two layers of liquid are not interfered with each other.
The laser pen 24 emits outgoing line light, the light penetrates through the salt lake brine, then penetrates through the mixed solution and finally irradiates on the light-sensitive plate 25, the light can be refracted when not penetrating through a layer of liquid, the density of the salt lake brine is a fixed value, the refractive light is determined when the radiation light completely penetrates through the salt lake brine and then is refracted at the position of a drop point on the light-sensitive plate 25, the refractive index of the adsorbent is also the only variable influencing light refraction when the liquid level thickness of the adsorbent is different, the refractive index of the adsorbent is determined, the liquid level thickness of the adsorbent is the only variable influencing light refraction, the radiation light emitted by the laser pen 24 is detected through the light-sensitive plate 25, the liquid flow thickness of the adsorbent is determined, the brushless angle motor 29 is electrified to rotate for a certain angle, the worm 28 synchronously rotates, the flow distribution plate 26 is driven to rotate through the worm wheel 27, the adsorbent is separated from the salt lake brine through the flow distribution plate 26, the adsorbent is conveyed to the next procedure link to be substantially extracted through a distillation mode, and the salt lake brine is discharged after being treated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a low-loss adsorbent salt lake brine adsorbs lithium extraction equipment, includes water intaking device, water intaking device draws salt lake brine, its characterized in that: including inlet tube (2), extraction cauldron (3), separator (8), be connected with between inlet tube (2) and the water intake device main valve (1), inlet tube (2) are L shape, and the inside of inlet tube (2) is provided with blow off pipe (12), outside the one end of blow off pipe (12) stretches out inlet tube (2), the one end of inlet tube (2) is connected with extraction cauldron (3), the inside of inlet tube (2) is provided with filtering mechanism, filtering component filters salt lake brine, be connected with the filling tube on extraction cauldron (3), the filling tube adds the adsorbent in to extraction cauldron (3), is provided with catalysis mechanism in extraction cauldron (3), separator (8) are connected with extraction cauldron (3) through the pipeline, separator (8) separate adsorbent and salt lake brine.
2. The low-loss adsorbent salt lake brine adsorption lithium extraction equipment of claim 1, wherein: filtering mechanism includes toper filter plate (17), scrapes dirty ware (13), toper filter plate (17) set up the one end that is close to extraction cauldron (3) in the inside of inlet tube (2), it is provided with water wheels (11) to rotate on blow off pipe (12), it is connected with water wheels (11) through support and scrape dirty ware (13), scrapes dirty ware (13) and contacts with toper filter plate (17), scrapes and is connected with bent venturi tube on dirty ware (13), the one end and blow off pipe (12) of bent venturi tube rotate and connect mutually, the one end that the bent venturi tube is close to and scrapes dirty ware (13) is provided with the same rubber block of three lamellas, three lamellas the rubber block carries out the shutoff to bent venturi tube.
3. The low-loss adsorbent salt lake brine adsorption lithium extraction equipment of claim 2, wherein: the long groove has been seted up on dirty ware (13), doctor-bar (16) are installed to one side of long groove, doctor-bar (16) contact with toper filter plate (17) surface, filtering mechanism still includes servo motor (14), auger (15), servo motor (14) set up in the inside of scraping dirty ware (13), auger (15) rotate and install the position department that corresponds the long groove in dirty ware (13), and auger (15) are connected with the motor shaft of servo motor (14).
4. The low-loss adsorbent salt lake brine adsorption lithium extraction equipment of claim 1, wherein: the bottom of extraction cauldron (3) is provided with water pump (4), the pumping end and the inside UNICOM of extraction cauldron (3) of water pump (4), the pressurized water end of water pump (4) have switching-over ball valve (5) through the pipe connection, be provided with circulating pipe (6) between the top of switching-over ball valve (5) and extraction cauldron (3), catalysis mechanism includes cross shunt (18), cross shunt (18) set up the inside top of extraction cauldron (3), and cross shunt (18) are linked together with circulating pipe (6), and cross shunt (18) are four distributive pipes of cross form equipartition, every be provided with water spout (19) on the distributive pipe, every water spout (19) set up for the central line slope of extraction cauldron (3).
5. The low-loss adsorbent salt lake brine adsorption lithium extraction equipment of claim 4, wherein: catalytic mechanism includes four wave wheel (20), four vibration strip (22), every wave wheel (20) are rotated and are installed in extraction cauldron (3), and four wave wheel (20) are close to four water jet (19) respectively, and one side coaxial coupling of every wave wheel (20) has percussion wheel (21), every percussion wheel (21) are gone up the equipartition and are provided with a plurality of spring, every be connected with the bobble, four on the spring vibration strip (22) are installed in extraction cauldron (3), and four vibration strip (22) are close to four percussion wheels (21) respectively, percussion wheel (21) upper end bobble strikes vibration strip (22).
6. The low-loss adsorbent salt lake brine adsorption lithium extraction equipment of claim 4, wherein: be connected with between switching-over ball valve (5) and separator (8) and become takeover (7), separator (8) are hollow rectangular block, and the inside of separator (8) is provided with a plurality of layers and divides coral board (23), every layer divide on coral board (23) equidistantly to have seted up the several fracture, every layer divides several fracture on coral board (23) to stagger the setting in proper order.
7. The low-loss adsorbent salt lake brine adsorption lithium extraction equipment of claim 6, wherein: the one end of taking over (7) is kept away from in separator (8) is connected with detector (9), the bottom of detector (9) is provided with laser pen (24), laser pen (24) slope in the bottom surface setting of detector (9), the inside top of detector (9) is provided with sensitization board (25).
8. The low-loss adsorbent salt lake brine adsorption lithium extraction equipment of claim 7, wherein: the one end that separator (8) were kept away from in detector (9) is connected with separator tube (10), the height of separator tube (10) is less than detector (9), and the middle part of separator tube (10) is equipped with the baffle, the baffle separates separator tube (10) into upper and lower two-layer, flow distribution plate (26) are installed in the internal rotation of separator tube (10), and rotation is provided with worm wheel (27) outward in separator tube (10), worm wheel (27) and the rotation junction coaxial coupling of flow distribution plate (26), still be provided with brushless angle motor (29) outward in separator tube (10), install worm (28) on brushless angle motor (29), worm (28) and worm wheel (27) meshing transmission, sensitization board (25) and brushless angle motor (29) have same control system through circuit connection.
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