CN115888215B - Waste liquid recycling device for lithium hexafluorophosphate preparation - Google Patents
Waste liquid recycling device for lithium hexafluorophosphate preparation Download PDFInfo
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- CN115888215B CN115888215B CN202211490967.3A CN202211490967A CN115888215B CN 115888215 B CN115888215 B CN 115888215B CN 202211490967 A CN202211490967 A CN 202211490967A CN 115888215 B CN115888215 B CN 115888215B
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to the technical field of lithium hexafluorophosphate preparation waste liquid recovery, in particular to a waste liquid recovery and reuse device for lithium hexafluorophosphate preparation, which comprises a recovery box, wherein the outer wall of the recovery box is communicated with a feed pipe, and the waste liquid recovery and reuse device for lithium hexafluorophosphate preparation solves the problems that after precipitation is completed, sediment is easy to adhere to the inner wall and a bottom plate of the recovery device due to long standing time of liquid, the traditional recovery device normally opens a feed opening to enable lithium hexafluorophosphate sediment to carry out natural feed, the feed opening is easy to block after recovery, the sediment adheres tightly so as to remain on the inner wall of the recovery box to cause waste of lithium hexafluorophosphate, and after particles in waste liquid are filtered, the filter opening is required to be cleaned manually and regularly, otherwise the filter opening is blocked so as to cause overflow of waste liquid in the feed pipe, and if manual cleaning is not only labor intensity is high, but also hands are stained with waste liquid to cause skin burn.
Description
Technical Field
The invention relates to the technical field of waste liquid recovery in lithium hexafluorophosphate preparation, in particular to a waste liquid recovery and reuse device for lithium hexafluorophosphate preparation.
Background
When lithium hexafluorophosphate electrode liquid for lithium batteries is manufactured, a large amount of waste liquid is usually generated, and because the waste liquid of the lithium ion batteries contains a large amount of metal particles such as lithium, copper, iron, nickel and the like, the waste liquid of the lithium hexafluorophosphate is required to be filtered by a recycling device, and then the pure lithium hexafluorophosphate precipitate can be obtained by adding potassium salt to carry out mixed precipitation;
the existing waste liquid recycling device for preparing lithium hexafluorophosphate is capable of enabling precipitates to be adhered to the inner wall and the bottom plate of the recycling device easily due to the fact that liquid standing time is long after precipitation is completed, and the traditional recycling device is usually used for opening a discharging opening to enable lithium hexafluorophosphate precipitates to be subjected to natural discharging, so that the discharging opening is easily blocked due to the fact that discharging speed is low in the recycling process, the precipitates are adhered tightly, waste of lithium hexafluorophosphate is caused by the fact that the precipitates remain on the inner wall of a recycling box, and after particles in waste liquid are filtered, the filtering opening needs to be cleaned manually regularly, otherwise the filtering opening is blocked, waste liquid in a feeding pipe overflows, and if manual cleaning is high in labor intensity, and the waste liquid is stained by hands, skin burn is caused.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a waste liquid recycling device for preparing lithium hexafluorophosphate, which solves the problems that after precipitation is completed, sediment is easy to adhere to the inner wall and the bottom plate of the recycling device due to longer standing time of liquid, the traditional recycling device normally opens a discharging opening to naturally discharge lithium hexafluorophosphate sediment, the discharging opening is easy to be blocked due to slower discharging speed in the recycling process, the sediment is adhered tightly so as to remain on the inner wall of the recycling box to cause waste of lithium hexafluorophosphate, and after particles in the waste liquid are filtered, the filtering opening is required to be cleaned manually and periodically, otherwise the filtering opening is blocked to cause overflow of the waste liquid in a feeding pipe, and if manual cleaning is high in labor intensity, and hands are stained with the waste liquid, skin burn is caused.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the waste liquid recycling device for preparing lithium hexafluorophosphate comprises a recycling box, wherein the outer wall of the recycling box is communicated with a feed pipe, a liquid suction box is arranged on the outer wall of the recycling box, a solid taking-out mechanism is arranged on the outer wall of the recycling box, and a contactless cleaning mechanism is arranged in the inner cavity of the feed pipe;
the solid take-out mechanism comprises a supporting block, the outer wall fixedly connected with supporting shoe of collection box, the inner wall of supporting shoe is connected with the lug through the round pin axle rotation, the lug is close to the one side fixedly connected with bottom plate shell of collection box, the one end fixedly connected with worm wheel of round pin axle, the outer wall symmetry fixedly connected with supporting leg of collection box, the preceding terminal surface fixedly connected with driving motor of supporting leg, the one end fixedly connected with worm that driving motor is close to the worm wheel, the worm meshes with the worm wheel, the outer wall fixedly connected with rope of round pin axle, the inner chamber end of bottom plate shell is through spout transverse sliding connection's L template, the one end and the L template lateral wall fixedly connected with of round pin axle are kept away from to the rope, the inner chamber end of bottom plate shell is rotated and is connected with the pivot, the one end fixedly connected with oblique scraper blade of bottom plate shell up end of pivot, the outer wall fixedly connected with polygonal wheel of pivot, the even equidistance fixedly connected with cylinder of up end of L template, the lateral wall fixedly connected with supporting spring of L template, the one end that L template was kept away from with bottom plate shell is connected with support spring.
Preferably, the inner cavity wall of the liquid pumping box is provided with a heating plate, the inner wall of the recovery box is fixedly connected with a sealing ring, the inner cavity of the liquid pumping box is provided with a water pump, and a water pumping port of the water pump is communicated with the liquid pumping box through an annular pipe.
Preferably, the up end of collection box runs through sliding connection has the U type pole, the one end fixedly connected with that the U type pole is close to the sealing ring scrapes the ring, the one side of supporting leg is through the vertical sliding connection of spout has the slip frame, the lower terminal surface of slip frame is through the horizontal sliding connection of spout has the slide, the one end fixedly connected with connecting rod of round pin axle, the upper end and the slide rotation of connecting rod are connected.
Preferably, the contactless cleaning mechanism comprises a filter plate, the inner cavity wall of the feeding pipe is fixedly connected with the filter plate, the side wall of the filter plate is rotationally connected with a spiral groove rod, and the inner cavity wall of the feeding pipe is transversely connected with a sliding sleeve in a sliding manner through a sliding groove.
Preferably, the side wall of the sliding sleeve is symmetrically and fixedly connected with a long rod, and one end of the long rod penetrating through the filter plate is fixedly connected with a sealing plug.
Preferably, one end of the spiral groove rod, which is far away from the filter plate, is rotationally connected with a circular plate, a limit spring is sleeved on the outer wall of the spiral groove rod, one end of the limit spring is fixedly connected with the outer wall of the spiral groove rod, the other end of the limit spring is fixedly connected with the side wall of the circular plate, and a scraping rod is fixedly connected with the outer surface of the spiral groove rod.
Preferably, the outer wall of the feeding pipe is communicated with a collecting box, the side wall of the collecting box is inserted with a drawing box, and the groove wall of the spiral groove rod is connected with a sliding shaft in a sliding mode.
Preferably, one end of the sliding shaft is fixedly connected with the inner wall of the sliding sleeve, and the lower part of the collecting box is communicated with the recovery box through a water outlet pipe.
(III) beneficial effects
The waste liquid recycling device for preparing lithium hexafluorophosphate provided by the invention has the following beneficial effects:
1. according to the waste liquid recycling device for preparing lithium hexafluorophosphate, firstly, a waste liquid discharge pipe is communicated with a feed pipe, when waste liquid enters, a movable sliding sleeve can be pushed to transversely slide along a sliding groove in the feed pipe, so that the sliding sleeve pulls a limiting spring to stretch and push a long rod and a sealing plug to move into a recycling box, a hole communicated with the feed pipe and the recycling box can be automatically opened, waste liquid smoothly enters the recycling box for treatment, when waste material is no longer continuously poured into the recycling box, the limiting spring is reset and rebounded to pull the sliding sleeve and the sealing plug to slide and reset, the sealing plug is enabled to block the hole communicated with the feed pipe and the recycling box again, the phenomenon that staff is inhaled and poisoned due to volatilization of smell into the air when waste liquid is recycled is avoided, the recycling box can be automatically opened or sealed, the condition that hands are burnt due to the fact that the waste liquid is polluted by the manual contact with the feed pipe is avoided, and safety in working is ensured;
2. according to the waste liquid recycling device for preparing lithium hexafluorophosphate, when the sliding sleeve is pushed to slide to one side of the recycling box during water inflow, the sliding sleeve can pull the sliding shaft on the inner wall to squeeze the groove wall of the spiral groove rod, so that the spiral groove rod drives the scraping rod to synchronously rotate, particles adhered to the side wall of the filter plate and the like can be scraped into the extraction box in the collection box by the scraping rod, liquid in the extraction box can be slowly discharged due to the action of the water outlet pipe, the phenomenon that the overflow of the waste liquid in the feeding pipe is caused by blockage of the particles in the waste liquid of the lithium hexafluorophosphate battery can be avoided by cleaning the filter plate, and the metal particles after filtration can be automatically cleaned in a non-contact mode, so that the influence of human touching on the physical health of the particles is avoided, the filter plate can be cleaned after the waste liquid is recycled each time, the blocking probability is effectively reduced, and the filtering effectiveness is ensured;
3. according to the waste liquid recycling device for preparing lithium hexafluorophosphate, after waste liquid is placed into a recycling box, potassium salt is continuously added for mixing, waste liquid is precipitated after mixing, at the moment, mixed solids can be precipitated on the upper part of a bottom plate shell at the bottom of a cavity of the recycling box, then a water pump in a liquid extraction box is started to pump liquid floating on the upper part after precipitation in the recycling box into the liquid extraction box, a driving motor can be started to drive a worm to rotate to engage a worm wheel after solids to be precipitated are dried, a pin shaft drives a lug and a bottom plate shell to rotate downwards for opening, a winding rope is retracted when the pin shaft rotates so as to pull an L-shaped plate to transversely slide and compress a supporting spring, a rotary shaft drives a cylinder on the upper part to move and stir a multi-angle wheel disc on the upper part to rotate, so that the rotary shaft drives an inclined scraping plate on the upper part to rotate, lithium hexafluorophosphate solids precipitated on the bottom plate shell can not be scraped off, the lithium hexafluorophosphate solids can not adhere to the bottom plate shell, the precipitated solids can be scraped off along with the opening of the bottom plate shell, the solid can be scraped off to the bottom plate shell in advance, the bottom plate shell can be completely rotate and the collected frame on the bottom plate shell, the bottom plate shell can not be completely contacted with the bottom plate shell, the waste of the waste material can be easily removed, and the waste of the waste material can be easily caused when the waste material is recovered after the waste is scraped and the waste is completely;
4. this waste liquid recycling device that lithium hexafluorophosphate preparation was used, the connecting rod that will drive the rear portion in step rotates when the round pin axle takes place to rotate, can push up when the connecting rod deflects and move slide plate and slip frame upwards along the supporting leg upwards to promote the upper portion of U type pole at the collection box upwards to slide, just can pull the scraping ring and upwards scrape at the inner wall of collection box and move, can scrape the solid after condensing off, both can avoid the solid after retrieving to remain at the collection box inner wall, can also further help solid take off, prevent the phenomenon that the inner wall can't take out of solid adhesion.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a recycling bin according to the present invention in partial cross-section;
FIG. 3 is a schematic view of a floor shell of the present invention in partial cross-section;
FIG. 4 is a schematic view of the installation structure of the rotary shaft and the polygonal wheel disc of the present invention;
FIG. 5 is a schematic view of the rear-view overall mounting structure of the present invention;
FIG. 6 is a schematic view of the overall installation structure of the present invention in a bottom view;
FIG. 7 is an enlarged schematic view of the area A of FIG. 6 according to the present invention;
FIG. 8 is a schematic view of a feed tube of the present invention in partial cross-section;
FIG. 9 is an enlarged view of area B of FIG. 8 according to the present invention;
FIG. 10 is a schematic view of the mounting structure of the recovery tank and the feed pipe of the present invention;
fig. 11 is an enlarged view of the area C of fig. 10 according to the present invention.
In the figure: 1. a recovery box; 2. a feed pipe; 3. a liquid pumping box; 4. an annular tube; 5. a solid take-out mechanism; 51. a support block; 52. a bump; 53. a bottom plate case; 54. a pin shaft; 55. a worm wheel; 56. a driving motor; 57. a worm; 58. support legs; 59. a rope; 510. an L-shaped plate; 511. a rotating shaft; 512. an inclined scraper; 513. polygonal wheel disc; 514. a cylinder; 515. a support spring; 516. a seal ring; 517. a scraping ring; 518. a U-shaped rod; 519. a sliding frame; 520. a slide plate; 521. a connecting rod; 6. a contactless cleaning mechanism; 61. a filter plate; 62. a helical grooved bar; 63. a sliding sleeve; 64. a long rod; 65. a sealing plug; 66. a limit spring; 67. a scraping rod; 68. a collection box; 69. drawing a box; 610. a water outlet pipe; 611. a slide shaft; 612. and a circular plate.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a technical scheme that:
embodiment one: referring to fig. 1 to 7, a waste liquid recycling device for preparing lithium hexafluorophosphate comprises a recycling box 1, wherein a feeding pipe 2 is communicated with the outer wall of the recycling box 1, a liquid extraction box 3 is arranged on the outer wall of the recycling box 1, a solid taking-out mechanism 5 is arranged on the outer wall of the recycling box 1, and a non-contact cleaning mechanism 6 is arranged in the inner cavity of the feeding pipe 2;
the solid taking-out mechanism 5 comprises a supporting block 51, the outer wall of the recovery box 1 is fixedly connected with the supporting block 51, the inner wall of the supporting block 51 is rotationally connected with a lug 52 through a pin shaft 54, one surface of the lug 52 close to the recovery box 1 is fixedly connected with a bottom plate shell 53, one end of the pin shaft 54 is fixedly connected with a worm wheel 55, the outer wall of the recovery box 1 is symmetrically and fixedly connected with a supporting leg 58, the front end surface of the supporting leg 58 is fixedly connected with a driving motor 56, one end of the driving motor 56 close to the worm wheel 55 is fixedly connected with a worm 57, the worm 57 is meshed with the worm wheel 55, the outer wall of the pin shaft 54 is fixedly connected with a rope 59, the inner chamber end of bottom plate shell 53 is through horizontal sliding connection of spout have L template 510, the one end that round pin axle 54 was kept away from to rope 59 is connected with L template 510 lateral wall fixed, the inner chamber end of bottom plate shell 53 rotates and is connected with pivot 511, the one end fixedly connected with oblique scraper blade 512 of pivot 511 running through bottom plate shell 53 up end, the outer wall fixedly connected with polygonal wheel disk 513 of pivot 511, the even equidistance fixedly connected with cylinder 514 of the up end of L template 510, the lateral wall fixedly connected with supporting spring 515 of L template 510, the one end that L template 510 was kept away from to supporting spring 515 and the inner wall fixed connection of bottom plate shell 53.
Embodiment two: referring to fig. 1 to 7, a heating plate is arranged on the inner cavity wall of the liquid extraction tank 3, a sealing ring 516 is fixedly connected to the inner wall of the recovery tank 1, a water pump is arranged in the inner cavity of the liquid extraction tank 3, a water pumping port of the water pump is communicated with the liquid extraction tank 3 through an annular pipe 4, the sealing ring 516 is attached to the upper part of the bottom plate shell 53, and the gap between the bottom plate shell 53 which is opened in a rotating manner and the recovery tank 1 can be filled and blocked, so that liquid leakage in the recovery tank 1 is avoided;
the upper end face of the recovery box 1 penetrates through and is connected with a U-shaped rod 518 in a sliding manner, one end, close to the sealing ring 516, of the U-shaped rod 518 is fixedly connected with a scraping ring 517, one face of each supporting leg 58 is vertically and slidably connected with a sliding frame 519 through a sliding groove, the lower end face of each sliding frame 519 is transversely and slidably connected with a sliding plate 520 through the sliding groove, one end of each pin shaft 54 is fixedly connected with a connecting rod 521, the upper end of each connecting rod 521 is rotationally connected with the sliding plate 520, the upper end of each connecting rod 521 can deviate when the connecting rod 521 deflects, and then the sliding plate 520 is pushed to slide in the sliding frame 519, so that the sliding frame 519 can be pushed to slide upwards smoothly.
Embodiment III: referring to fig. 2 and 8-11, the contactless cleaning mechanism 6 includes a filter plate 61, an inner cavity wall of the feed pipe 2 is fixedly connected with the filter plate 61, a side wall of the filter plate 61 is rotatably connected with a spiral groove rod 62, the inner cavity wall of the feed pipe 2 is transversely and slidably connected with a sliding sleeve 63 through a sliding groove, the side wall of the sliding sleeve 63 is symmetrically and fixedly connected with a long rod 64, one end of the long rod 64 penetrating through the filter plate 61 is fixedly connected with a sealing plug 65, and the size of the sealing plug 65 is consistent with that of a hole communicated with the recovery box 1 by the feed pipe 2.
Embodiment four: referring to fig. 2 and 8-11, one end of the spiral groove rod 62 far away from the filter plate 61 is rotationally connected with a circular plate 612, the outer wall of the spiral groove rod 62 is sleeved with a limiting spring 66, one end of the limiting spring 66 is fixedly connected with the outer wall of the spiral groove rod 62, the other end of the limiting spring 66 is fixedly connected with the side wall of the circular plate 612, the outer surface of the spiral groove rod 62 is fixedly connected with a scraping rod 67, the scraping rod 67 is attached to the side wall of the filter plate 61, and when the spiral groove rod 62 rotates, one end is rotationally connected with the circular plate 612, so that the limiting spring 66 is not synchronously driven to rotate;
the outer wall of the feed pipe 2 is communicated with a collecting box 68, the side wall of the collecting box 68 is inserted with a drawing box 69, the groove wall of the spiral groove rod 62 is connected with a sliding shaft 611 in a sliding manner, and the outer surface of the drawing box 69 close to the water outlet pipe 610 is provided with a water outlet hole;
one end of the sliding shaft 611 is fixedly connected with the inner wall of the sliding sleeve 63, and the lower part of the collecting box 68 is communicated with the recovery box 1 through a water outlet pipe 610.
The following is the overall operation of the above embodiment: firstly, a waste liquid discharge pipe is communicated with a feed pipe 2, when waste liquid enters, a movable sliding sleeve 63 can be propped to transversely slide along a sliding groove in the feed pipe 2, so that the sliding sleeve 63 pulls a limiting spring 66 to stretch and prop a long rod 64 and a sealing plug 65 to move into a recovery box 1, a hole communicated with the feed pipe 2 and the recovery box 1 can be automatically opened, waste liquid smoothly enters the recovery box 1 for treatment, when waste material is not continuously poured into the recovery box 1, the limiting spring 66 is reset and rebounded to pull the sliding sleeve 63 and the sealing plug 65 to slide and reset, the sealing plug 65 is enabled to block the hole communicated with the feed pipe 2 and the recovery box 1 again, the phenomenon that staff is inhaled and poisoned due to odor volatilize into the air when waste liquid is recovered is avoided, the recovery box 1 can be automatically opened or sealed, the condition that the waste liquid is polluted by the feed pipe 2 is manually contacted to the hand burn is avoided, and the safety of the working is ensured; when the lithium hexafluorophosphate battery waste liquid impulse sliding sleeve 63 slides to one side of the recovery box 1, the sliding sleeve 63 can pull the sliding shaft 611 on the inner wall to extrude the groove wall of the spiral groove rod 62, so that the spiral groove rod 62 drives the scraping rod 67 to synchronously rotate, the scraping rod 67 can scrape particles adhered to the side wall of the filter plate 61 into the suction box 69 in the collection box 68, liquid in the suction box 69 can be slowly discharged due to the action of the water outlet pipe 610, the phenomenon that the filter plate 61 is cleaned, and the overflow of the waste liquid in the feed pipe 2 caused by the blockage of the particles in the lithium hexafluorophosphate battery waste liquid can be avoided, and the metal particles after the filtration can be cleaned automatically in a non-contact manner, so that the influence of the manual touch on the particles on the health is avoided, the filter plate 61 can be cleaned after the waste liquid is recovered each time, the blocking probability is effectively reduced, and the effectiveness of the filtration is ensured; after the waste liquid is put into the recovery tank 1, continuously adding potassium salt for mixing, precipitating the waste liquid after mixing, at this time, the mixed solids are precipitated on the upper part of the bottom plate shell 53 at the bottom of the cavity of the recovery tank 1, then, a water pump in the liquid extraction tank 3 is started to pump the liquid floating on the upper part after precipitating in the recovery tank 1 into the liquid extraction tank 3, after the precipitated solids are dried, a driving motor 56 can be started to drive a worm 57 to rotate and mesh with a worm wheel 55, so that a pin shaft 54 drives a lug 52 and the bottom plate shell 53 to rotate downwards, and when the pin shaft 54 rotates, a winding rope 59 is retracted to pull an L-shaped plate 510 to transversely slide and compress a supporting spring 515, and simultaneously, an upper cylinder 514 is driven to move and stir an upper polygonal disk 513 to rotate with a rotating shaft 511, so that the rotating shaft 511 drives an upper inclined scraping plate 512 to rotate, lithium hexafluorophosphate solids precipitated on the bottom plate shell 53 are scraped off, the lithium hexafluorophosphate solids cannot adhere to the bottom plate shell 53, the situation that cannot be discharged is avoided, the solid hexafluorophosphate is scraped off along with the opening of the bottom plate shell 53 to be completely discharged into the bottom plate shell 1, the situation that the waste is completely discharged and the waste of the recovered solids can not be polluted, and the waste is easily is prevented from being discharged in the recovery device after the waste is completely discharged, and the waste is recovered; when the pin 54 rotates, the rear connecting rod 521 is synchronously driven to rotate, and the connecting rod 521 pushes the sliding plate 520 and the sliding frame 519 to slide upwards along the supporting leg 58 when deflected upwards, so that the U-shaped rod 518 is pushed to slide upwards on the upper part of the recovery box 1, the scraping ring 517 is pulled to scrape upwards on the inner wall of the recovery box 1, the coagulated solids can be scraped off, the recovered solids can be prevented from remaining on the inner wall of the recovery box 1, the solids can be further helped to be taken down, and the phenomenon that the solids can not be taken out by adhesion on the inner wall can be prevented.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Waste liquid recycling device that lithium hexafluorophosphate preparation was used, including collection box (1), its characterized in that: the outer wall of the recovery box (1) is communicated with a feed pipe (2), the outer wall of the recovery box (1) is provided with a liquid suction box (3), the outer wall of the recovery box (1) is provided with a solid taking-out mechanism (5), and the inner cavity of the feed pipe (2) is provided with a non-contact cleaning mechanism (6); the solid taking-out mechanism (5) comprises a supporting block (51), the outer wall fixedly connected with supporting block (51) of the recycling bin (1), the inner wall of the supporting block (51) is rotationally connected with a protruding block (52) through a pin roll (54), one side of the protruding block (52) close to the recycling bin (1) is fixedly connected with a bottom plate shell (53), one end of the pin roll (54) is fixedly connected with a worm wheel (55), the outer wall of the recycling bin (1) is symmetrically fixedly connected with supporting legs (58), the front end face of the supporting legs (58) is fixedly connected with a driving motor (56), one end of the driving motor (56) close to the worm wheel (55) is fixedly connected with a worm (57), the worm (57) is meshed with the worm wheel (55), the outer wall of the pin roll (54) is fixedly connected with a rope (59), the inner cavity bottom of the bottom plate shell (53) is transversely and slidably connected with an L (510) through a chute, one end of the rope (59) far away from the pin roll (54) is fixedly connected with the side wall of the L (510), the inner cavity bottom of the bottom plate shell (53) is rotationally connected with a rotating shaft (511), one end face of the rotating shaft (511) is fixedly connected with a rotating shaft (511), the upper end face of the L-shaped plate (510) is uniformly and equidistantly fixedly connected with a cylinder (514), the side wall of the L-shaped plate (510) is fixedly connected with a supporting spring (515), and one end, far away from the L-shaped plate (510), of the supporting spring (515) is fixedly connected with the inner wall of the bottom plate shell (53);
the non-contact cleaning mechanism (6) comprises a filter plate (61), wherein the inner cavity wall of the feed pipe (2) is fixedly connected with the filter plate (61), the side wall of the filter plate (61) is rotationally connected with a spiral groove rod (62), and the inner cavity wall of the feed pipe (2) is transversely and slidably connected with a sliding sleeve (63) through a sliding groove;
the side wall of the sliding sleeve (63) is symmetrically and fixedly connected with a long rod (64), and one end of the long rod (64) penetrating through the filter plate (61) is fixedly connected with a sealing plug (65);
one end that filter (61) was kept away from to helicla flute pole (62) rotates and is connected with plectane (612), the outer wall cover of helicla flute pole (62) is equipped with spacing spring (66), the one end and the helicla flute pole (62) outer wall fixed connection of spacing spring (66), the other end and plectane (612) lateral wall fixed connection of spacing spring (66), the surface fixedly connected with of helicla flute pole (62) scrapes pole (67).
2. The waste liquid recycling device for preparing lithium hexafluorophosphate according to claim 1, wherein the waste liquid recycling device comprises: the inner cavity wall of the liquid pumping box (3) is provided with a heating plate, the inner wall of the recovery box (1) is fixedly connected with a sealing ring (516), the inner cavity of the liquid pumping box (3) is provided with a water pump, and a water pumping port of the water pump is communicated with the liquid pumping box (3) through an annular pipe (4).
3. The waste liquid recycling device for preparing lithium hexafluorophosphate according to claim 2, wherein: the utility model discloses a recovery box, including recovery box (1), including slip frame (519), connecting rod (521), sliding plate (520) are passed through to the up end of recovery box (1) through sliding connection have U type pole (518), the one end fixedly connected with scraping ring (517) that U type pole (518) is close to sealing ring (516), one side of supporting leg (58) is through the vertical sliding connection of spout has sliding frame (519), the lower terminal surface of sliding frame (519) is through the horizontal sliding connection of spout has slide (520), one end fixedly connected with connecting rod (521) of round pin axle (54), the upper end and slide (520) of connecting rod (521) rotate to be connected.
4. The waste liquid recycling apparatus for preparing lithium hexafluorophosphate according to claim 3, wherein: the outer wall of the feed pipe (2) is communicated with a collecting box (68), a drawing box (69) is inserted into the side wall of the collecting box (68), and a sliding shaft (611) is slidably connected with the groove wall of the spiral groove rod (62).
5. The apparatus for recycling waste liquid from lithium hexafluorophosphate production according to claim 4, wherein: one end of the sliding shaft (611) is fixedly connected with the inner wall of the sliding sleeve (63), and the lower part of the collecting box (68) is communicated with the recovery box (1) through the water outlet pipe (610).
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