CN214597346U - Lithium ion extraction device in lithium mother liquor - Google Patents
Lithium ion extraction device in lithium mother liquor Download PDFInfo
- Publication number
- CN214597346U CN214597346U CN202120461453.XU CN202120461453U CN214597346U CN 214597346 U CN214597346 U CN 214597346U CN 202120461453 U CN202120461453 U CN 202120461453U CN 214597346 U CN214597346 U CN 214597346U
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- box
- mother liquor
- fixed mounting
- interval
- bevel gear
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- 239000012452 mother liquor Substances 0.000 title claims abstract description 63
- 238000000605 extraction Methods 0.000 title claims abstract description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 239000003014 ion exchange membrane Substances 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000004062 sedimentation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001233242 Lontra Species 0.000 description 1
- 229910001361 White metal Inorganic materials 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 description 1
- 229910052808 lithium carbonate Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000013547 stew Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010969 white metal Substances 0.000 description 1
Images
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- External Artificial Organs (AREA)
Abstract
The utility model discloses a lithium ion extraction device in lithium mother liquor, which comprises a box body, wherein a transverse baffle is fixedly arranged in the box body, a mother liquor interval is arranged in the box body, a longitudinal baffle is fixedly arranged between the bottom wall in the box body and the lower surface of the transverse baffle together, the lower part of the transverse baffle in the box body is separated by the longitudinal baffle to form a recovery interval and an extraction interval, two outer walls far away from the box body are respectively and fixedly provided with a lifting mechanism, the top end of the box body is fixedly provided with a motor, the top end of the box body is rotatably provided with two transmission rotating shafts, the interior of the box body is fixedly provided with an anti-sedimentation mechanism, and the longitudinal baffle is fixedly provided with two liquid guide tubes. The probability that the round opening is blocked is reduced, and the anti-blocking performance is greatly improved.
Description
Technical Field
The utility model relates to an extraction device, in particular to lithium ion extraction device in lithium mother liquor belongs to lithium mother liquor treatment facility technical field.
Background
Lithium is a silvery white metal element, soft, and the least dense metal. It is used in nuclear reactor, light alloy, cell, etc. Lithium and its compounds are not as typical as other alkali metals because lithium has a very high charge density and has a stable helium-type bilayer, making it readily polarizable with other molecules or ions, and not itself susceptible to polarization. This affects the stability of the lithium ion battery and its compounds, and in order to increase the utilization rate of lithium ions, lithium ions can be extracted from a lithium mother liquor formed from lithium carbonate, and the lithium ions in the mother liquor can be separated and recovered by performing extraction treatment on the lithium mother liquor by an extraction device.
Lithium ion extraction device in traditional lithium mother liquor does not set up anti-settling device in actual use, and lithium mother liquor is easy to produce the precipitate under the state of stewing, has increased the probability that the leakage fluid dram dug between mother liquor interval and the extraction interval is blockked up, greatly reduced its prevent blockking up the performance, to this, need design a lithium ion extraction device in the lithium mother liquor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium ion extraction device in lithium mother liquor to the setting up of proposing in solving above-mentioned background art prevents subsiding the device, and lithium mother liquor easily produces the precipitate under the state of stewing, has increased the leakage fluid dram that cuts up between the mother liquor interval and the extraction interval and has blockked up the probability, has reduced its problem of preventing blockking up performance.
In order to achieve the above object, the utility model provides a following technical scheme: a lithium ion extraction device in lithium mother liquor comprises a box body, wherein a transverse partition plate is fixedly installed in the box body, a mother liquor section is arranged in the box body and above the transverse partition plate, a longitudinal partition plate is fixedly installed between the inner bottom wall of the box body and the lower surface of the transverse partition plate together, the box body is internally provided with a recovery section and an extraction section which are separated by the longitudinal partition plate and below the transverse partition plate, a liquid discharge pipe is fixedly installed on the outer wall of the box body and is communicated with the interior of the recovery section, a liquid feeding pipe is fixedly installed on the outer wall of the box body and is communicated with the interior of the extraction section, lifting mechanisms are fixedly installed on two outer walls far away from the box body, a motor is fixedly installed at the top end of the box body, two transmission rotating shafts are rotatably installed at the top end of the box body, and one end of each transmission rotating shaft, which is close to the motor, is meshed with the transmission rotating shaft, the top fixed mounting of box has two feeding pipes, fixed mounting has anti-settling mechanism in the box, just anti-settling mechanism is located the mother liquor interval, fixed mounting has two catheters on the longitudinal baffle.
Preferably, prevent subsiding the mechanism and include two built-in bedplate, two the equal fixed mounting of built-in bedplate is on the inner wall of box, two equal slidable mounting has two iron plate on the built-in bedplate, every one side of built-in bedplate all is equipped with the straight board, every the straight board all with two iron plate fixed connection that the phase-match set up, two common fixed mounting has the otter board between the straight board.
Preferably, two elevating system all includes the threaded rod, every the threaded rod all rotates to be installed on the outer wall of box, every the equal fixed mounting in top of threaded rod has first bevel gear, every the lifter plate has been cup jointed to equal screw thread on the threaded rod, every the limiting plate is installed to the equal screw thread in bottom of threaded rod, every the equal fixed mounting of limiting plate is on the outer wall of box.
Preferably, two magnet stones are movably mounted on the two outer walls far away from the box body, and the two magnet stones arranged on the same side are fixedly connected with the lifting plate which is matched with the lifting plate.
Preferably, two the equal fixed mounting of one end that the transmission pivot is close to the motor has second bevel gear, every the equal fixed mounting of one end that the transmission pivot kept away from the second bevel gear that corresponds the setting has third bevel gear, every third bevel gear all is connected with the meshing of the first bevel gear that the phase-match set up, the output fixed mounting of motor has fourth bevel gear, two second bevel gear all is connected with the meshing of fourth bevel gear.
Preferably, the top of horizontal baffle is excavated there is the arc recess, the tank bottom of arc recess is excavated there is circular opening, the mother liquor interval is through circular opening and the interval intercommunication of extraction, every equal fixed mounting has a plurality of ion exchange membranes in the drain pipe, the interval is through two catheter and the interval intercommunication of retrieving to the extraction interval.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a lithium ion extraction device in lithium mother liquor has the characteristics that prevent blockking up the performance and be good, in specific use, with lithium ion extraction device in traditional lithium mother liquor comparatively speaking: this device is provided with the box, and it is interval that the box upper strata is equipped with the mother liquor that is used for depositing lithium mother liquor, and the box lower floor separates through horizontal separators and longitudinal baffle and forms the extraction interval and retrieve the interval, and at the extraction in-process, it carries out the lift removal to prevent subsiding the mechanism through the motor drive, ensures that lithium mother liquor keeps the mobile state at the mother liquor interval, avoids mother liquor to stew and forms the deposit in the mother liquor interval, has reduced the probability that circular opening is blockked up, has improved its anti-clogging performance greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the anti-settling mechanism of the present invention;
FIG. 3 is a schematic view of the connection between the lifting mechanism and the box body of the present invention;
FIG. 4 is a cross-sectional view of a catheter of the present invention;
fig. 5 is a top view of the horizontal partition plate of the present invention.
In the figure: 1. a box body; 111. a magnet; 2. a liquid discharge pipe; 3. a recovery interval; 4. a lifting mechanism; 41. a first bevel gear; 42. a threaded rod; 43. a lifting plate; 44. a limiting plate; 5. a transmission rotating shaft; 51. a second bevel gear; 52. a third bevel gear; 6. a motor; 61. a fourth bevel gear; 7. a feeding pipe; 8. an anti-settling mechanism; 81. a built-in seat board; 82. an iron block; 83. a screen plate; 84. a straight plate; 9. a transverse partition; 91. an arc-shaped groove; 92. a circular opening; 10. a catheter; 101. an ion exchange membrane; 11. a longitudinal partition; 12. an extraction interval; 13. a liquid feeding pipe; 14. a mother liquor interval.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a lithium ion extraction device in lithium mother liquor comprises a box body 1, a transverse partition plate 9 is fixedly installed in the box body 1, a mother liquor zone 14 is arranged in the box body 1 and above the transverse partition plate 9, a longitudinal partition plate 11 is fixedly installed between the inner bottom wall of the box body 1 and the lower surface of the transverse partition plate 9 together, a recovery zone 3 and an extraction zone 12 are formed in the box body 1 and below the transverse partition plate 9 by the longitudinal partition plate 11 in a separating mode, a liquid discharge pipe 2 is fixedly installed on the outer wall of the box body 1, the liquid discharge pipe 2 is communicated with the interior of the recovery zone 3, a liquid feeding pipe 13 is fixedly installed on the outer wall of the box body 1, the liquid feeding pipe 13 is communicated with the interior of the extraction zone 12, lifting mechanisms 4 are fixedly installed on two outer walls far away from the box body 1, a motor 6 is fixedly installed at the top end of the box body 1, two transmission rotating shafts 5 are rotatably installed at the top end of the box body 1, one end of each transmission rotating shaft 5, close to the motor 6, is engaged with the transmission shaft, two feeding pipes 7 are fixedly installed at the top end of the box body 1, an anti-settling mechanism 8 is fixedly installed in the box body 1, the anti-settling mechanism 8 is located in the mother liquor interval 14, two liquid guide pipes 10 are fixedly installed on the longitudinal partition plate 11, the motor 6 drives the transmission rotating shaft 5 to rotate, the threaded rod 42 can be driven to rotate through meshing connection between the first bevel gear 41 and the third bevel gear 52, the lifting plate 43 can be driven to move up and down in the rotating process of the threaded rod 42, the magnet 111 can be ensured to move up and down along with the lifting plate 43, the magnet 111 and the iron block 82 are magnetically attracted, the iron block 82 can be driven to move up and down in the lifting process of the magnet 111, the straight plate 84 and the screen plate 83 can be driven to move up and down in the mother liquor interval 14, and the screen plate 83 moving in the vertical direction can enable the mother liquor to form a flowing state in the mother liquor interval 14, the mother liquor is prevented from standing in the mother liquor interval 14 to form sediments, the probability that the circular opening 92 is blocked is reduced, and the anti-blocking performance of the circular opening is greatly improved.
Wherein, prevent subsiding mechanism 8 and include two built-in bedplate 81, two equal fixed mounting of built-in bedplate 81 are on the inner wall of box 1, equal slidable mounting has two iron plate 82 on two built-in bedplate 81, one side of every built-in bedplate 81 all is equipped with straight board 84, every straight board 84 all with two iron plate 82 fixed connection that the phase-match set up, common fixed mounting has the screen cloth board 83 between two straight board 84, can drive screen cloth board 83 through straight board 84 and carry out the lifting movement, at the in-process of screen cloth board 83 lifting movement, can let lithium mother liquor be the mobile state in mother liquor interval 14, effectively reduce the probability that lithium mother liquor produced the deposit, prevent to cause the jam to circular opening 92, effectively improved its jam-proof performance.
Wherein, two elevating system 4 all include threaded rod 42, every threaded rod 42 all rotates and installs on the outer wall of box 1, the equal fixed mounting in top of every threaded rod 42 has first bevel gear 41, the lifter plate 43 has been cup jointed to the equal screw thread on every threaded rod 42, limiting plate 44 is installed to the equal screw thread in bottom of every threaded rod 42, the equal fixed mounting of every limiting plate 44 is on the outer wall of box 1, carry on spacingly through limiting plate 44 to the bottom of threaded rod 42, ensure that threaded rod 42 can be in 1 one side stable rotation of box, rotate the in-process at threaded rod 42, can drive lifter plate 43 and carry out the lift travel.
Wherein, equal movable mounting has two magnet 111 on two outer walls that box 1 kept away from mutually, and two magnet 111 that the homonymy set up all with the lifter plate 43 fixed connection that the phase-match set up, attract mutually through the magnetism between magnet 111 and the iron plate 82, ensure that lifter plate 43 can adsorb each other with straight board 84, at lifter plate 43 lift removal's in-process, can drive straight board 84 and carry out lift removal.
Wherein, the equal fixed mounting of one end that two transmission pivot 5 are close to motor 6 has second bevel gear 51, the equal fixed mounting of one end that corresponds second bevel gear 51 that sets up is kept away from to every transmission pivot 5 has third bevel gear 52, every third bevel gear 52 all is connected with the meshing of the first bevel gear 41 that the phase-match set up, the output fixed mounting of motor 6 has fourth bevel gear 61, two second bevel gears 51 all are connected with the meshing of fourth bevel gear 61, drive transmission pivot 5 through motor 6 and rotate, because transmission pivot 5 is connected with the meshing of threaded rod 42, then can drive threaded rod 42 and rotate.
Wherein, the top of horizontal separators 9 is excavated there is arc recess 91, circular opening 92 has been excavated to the tank bottom of arc recess 91, interval 14 of mother liquor is through circular opening 92 and the interval 12 intercommunication of extraction, equal fixed mounting has a plurality of ion exchange membrane 101 in every catheter 10, interval 12 of extraction is through two catheters 10 and the interval 3 intercommunication of retrieving, the mother liquor after the extraction processing passes catheter 10, can carry out the separation processing to the mother liquor in the liquid through ion exchange membrane 101, lithium ion passes ion exchange membrane 101 and enters into in retrieving interval 3, can discharge liquid through fluid-discharge tube 2, then can retrieve lithium ion.
Specifically, during the use of the utility model, firstly, lithium mother liquor is poured into the mother liquor section 14 from the feeding pipe 7, because the top end of the transverse clapboard 9 is provided with the arc-shaped groove 91, the mother liquor can be ensured to flow to the round opening 92, the amount of the mother liquor accumulated on the upper surface of the transverse clapboard 9 is effectively reduced, when the mother liquor passes through the round opening 92 and enters the extraction section 12, the extract liquor is poured into the extraction section 12 from the feeding pipe 13, the mother liquor passes through the liquid guide pipe 10 after extraction treatment and enters the recovery section 3, because the ion exchange membrane 101 is arranged in the liquid guide pipe 10, lithium ions follow the liquid and pass through the ion exchange membrane 101 and enter the recovery section 3, the liquid containing lithium ions is discharged through the liquid discharge pipe 2, the lithium ions can be recovered, in the extraction process, the transmission rotating shaft 5 is driven to rotate through the motor 6, through the meshing connection between the first bevel gear 41 and the third bevel gear 52, then can drive threaded rod 42 and rotate, can drive lifter plate 43 and go up and down and move in threaded rod 42 rotation in-process, ensure that magnet 111 can follow lifter plate 43 and go up and down and move, because magnet 111 and iron plate 82 magnetism attract mutually, can drive iron plate 82 and go up and down and move in magnet 111 lift in-process, then can drive straight board 84 and screen plate 83 and go up and down and move in mother liquor interval 14, screen plate 83 moving in the vertical direction can let the mother liquor form the mobile state in mother liquor interval 14, avoid mother liquor to stand and form the precipitate in mother liquor interval 14, the probability that circular opening 92 is blockked up has been reduced, its anti-clogging performance has been improved greatly.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lithium ion extraction device in lithium mother liquor, includes box (1), its characterized in that, the interior fixed mounting of box (1) has horizontal partition plate (9), the box (1) just is located the top of horizontal partition plate (9) and is equipped with mother liquor interval (14), common fixed mounting has longitudinal baffle (11) between the lower surface of diapire and horizontal partition plate (9) in box (1), the box (1) just is located the below of horizontal partition plate (9) and separates through longitudinal baffle (11) and form and retrieve interval (3) and extraction interval (12), fixed mounting has fluid-discharge tube (2) on the outer wall of box (1), and fluid-discharge tube (2) and retrieve interval (3) inside intercommunication, fixed mounting has liquid feeding pipe (13) on the outer wall of box (1), just liquid feeding pipe (13) and extraction interval (12) inside intercommunication, equal fixed mounting has elevating system (4) on two outer walls that box (1) kept away from mutually, the top fixed mounting of box (1) has motor (6), the top of box (1) is rotated and is installed two transmission pivot (5), every the one end that transmission pivot (5) are close to motor (6) all is connected rather than the meshing, the top fixed mounting of box (1) has two feeding pipes (7), box (1) internal fixation installs prevents subsiding mechanism (8), just prevent subsiding mechanism (8) and be located mother liquor interval (14), fixed mounting has two catheter (10) on longitudinal baffle (11).
2. The device for extracting lithium ions from lithium mother liquor according to claim 1, wherein: prevent subsiding mechanism (8) and include two built-in bedplate (81), two the equal fixed mounting of built-in bedplate (81) is on the inner wall of box (1), two equal slidable mounting has two iron plate (82), every on built-in bedplate (81) one side of built-in bedplate (81) all is equipped with straight plate (84), every straight plate (84) all with two iron plate (82) fixed connection that the phase-match set up, two common fixed mounting has screen plate (83) between straight plate (84).
3. The device for extracting lithium ions from lithium mother liquor according to claim 1, wherein: two elevating system (4) all include threaded rod (42), every threaded rod (42) all rotates and installs on the outer wall of box (1), every the equal fixed mounting in top of threaded rod (42) has first bevel gear (41), every lifter plate (43), every have been cup jointed to equal screw thread on threaded rod (42) the equal screw thread in bottom of threaded rod (42) is installed limiting plate (44), every the equal fixed mounting of limiting plate (44) is on the outer wall of box (1).
4. The device for extracting lithium ions from lithium mother liquor according to claim 1, wherein: equal movable mounting has two magnet (111) on two outer walls that box (1) kept away from mutually, two that the homonymy set up magnet (111) all with lifter plate (43) fixed connection that the phase-match set up.
5. The device for extracting lithium ions from lithium mother liquor according to claim 1, wherein: two the equal fixed mounting of one end that transmission pivot (5) are close to motor (6) has second bevel gear (51), every the equal fixed mounting of one end that corresponds second bevel gear (51) that sets up is kept away from in transmission pivot (5) has third bevel gear (52), every third bevel gear (52) all are connected with the first bevel gear (41) meshing that the phase-match set up, the output fixed mounting of motor (6) has fourth bevel gear (61), two second bevel gear (51) all are connected with fourth bevel gear (61) meshing.
6. The device for extracting lithium ions from lithium mother liquor according to claim 1, wherein: arc recess (91) have been dug to the top of horizontal baffle (9), circular opening (92) have been dug to the tank bottom of arc recess (91), mother liquor interval (14) are through circular opening (92) and extraction interval (12) intercommunication, every equal fixed mounting has a plurality of ion exchange membranes (101) in catheter (10), extraction interval (12) are through two catheter (10) and retrieve interval (3) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120461453.XU CN214597346U (en) | 2021-03-03 | 2021-03-03 | Lithium ion extraction device in lithium mother liquor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120461453.XU CN214597346U (en) | 2021-03-03 | 2021-03-03 | Lithium ion extraction device in lithium mother liquor |
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| CN214597346U true CN214597346U (en) | 2021-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842659A (en) * | 2021-11-29 | 2021-12-28 | 东营威联化学有限公司 | Energy-saving fractionating device for xylene production |
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2021
- 2021-03-03 CN CN202120461453.XU patent/CN214597346U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842659A (en) * | 2021-11-29 | 2021-12-28 | 东营威联化学有限公司 | Energy-saving fractionating device for xylene production |
| CN113842659B (en) * | 2021-11-29 | 2022-03-11 | 东营威联化学有限公司 | Energy-saving fractionating device for xylene production |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 324000 No. 22 Huayang Road, Kecheng District, Quzhou City, Zhejiang Province Patentee after: Zhejiang Yongzheng Lithium Battery Co.,Ltd. Address before: 324000 No. 22 Huayang Road, Kecheng District, Quzhou City, Zhejiang Province Patentee before: Zhejiang Quzhou Yongzheng Lithium Electricity Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |