CN116497406A - Molybdenum crucible rare earth electrolysis stirring assembly and slag removal device - Google Patents
Molybdenum crucible rare earth electrolysis stirring assembly and slag removal device Download PDFInfo
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- CN116497406A CN116497406A CN202310779136.6A CN202310779136A CN116497406A CN 116497406 A CN116497406 A CN 116497406A CN 202310779136 A CN202310779136 A CN 202310779136A CN 116497406 A CN116497406 A CN 116497406A
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- 238000003756 stirring Methods 0.000 title claims abstract description 92
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 47
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 47
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052750 molybdenum Inorganic materials 0.000 title claims abstract description 46
- 239000011733 molybdenum Substances 0.000 title claims abstract description 46
- 239000002893 slag Substances 0.000 title claims abstract description 44
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 25
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 24
- 239000010937 tungsten Substances 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 239000012535 impurity Substances 0.000 claims description 19
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010907 mechanical stirring Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 14
- 238000003723 Smelting Methods 0.000 description 4
- 239000003818 cinder Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/34—Electrolytic production, recovery or refining of metals by electrolysis of melts of metals not provided for in groups C25C3/02 - C25C3/32
-
- 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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to the technical field of rare earth electrolysis and discloses a molybdenum crucible rare earth electrolysis stirring assembly and a slag removal device, which comprise a ring seat, wherein the ring seat is positioned below a supporting arm, and the positions of the ring seat and a tungsten rod are concentric; the ring seat is rotationally connected with a toothed ring, a first gear is meshed in the tooth root of the toothed ring, and the first gear is driven by a first motor; the tooth ring is provided with a support column; the free end of the support column is provided with a bearing seat; the top surface of the bearing seat is provided with a stirring rod which is vertically arranged and is used for penetrating into the molybdenum crucible to stir the rare earth liquid; according to the stirring device, the ring seat is limited, so that the toothed ring can carry the stirring rod to rotate for 360 degrees, the problem of stirring blind areas is solved, the stirring effect is good, and the mechanical stirring can avoid scalding operators; the slag removing part of the slag removing device can independently clean slag points in the electrolytic furnace.
Description
Technical Field
The invention belongs to the field of advanced nonferrous metal materials (C25C) and simultaneously belongs to the technical field of rare earth electrolysis, and particularly relates to a molybdenum crucible rare earth electrolysis stirring assembly and a slag removal device.
Background
The rare earth metal smelting is mostly carried out under high-temperature unprotected atmosphere, and refractory metal materials, such as tungsten rods as electrode rods and molybdenum crucibles as bearing containers, are necessary for the electrolysis process.
The molybdenum crucible is made of molybdenum, the tapping weight of the product is about 15kg, the diameter is about 150mm, and the diameter of the outlet of the electrolytic furnace is about 350mm; in the molten salt electrolysis process of rare earth smelting, the molten metal liquid is stirred to be heated uniformly, an operator inserts a metal rod into the rare earth liquid and rotates around a tungsten rod to stir the rare earth liquid, the tungsten rod is continuously inserted into a molybdenum crucible as an electrode rod to play the roles of a heating element and an electrode so as to heat and melt rare earth, and the tungsten rod has high melting point, good corrosion resistance and conductivity and is very suitable for being used in the rare earth smelting process. But the structure of tungsten stick makes operating personnel can not carry out 360 rotatory churning, has the problem of stirring blind area, and stirring effect is poor, and scalds operating personnel easily.
Disclosure of Invention
The invention aims to provide a molybdenum crucible rare earth electrolysis stirring assembly and a slag removing device, which solve the problem that stirring blind areas exist in stirring in the background technology.
The technical scheme adopted by the invention is as follows: the molybdenum crucible rare earth electrolytic stirring assembly comprises a ring seat, wherein the ring seat is positioned below a supporting arm and is concentric with a tungsten rod; the ring seat is rotationally connected with a toothed ring, a first gear is meshed in the tooth root of the toothed ring and driven by a first motor, and the first motor is fixed with the ring seat; the tooth ring is detachably provided with support columns, and the number of the support columns is at least 2 and the support columns are horizontally and symmetrically arranged; the free end of the support column is fixedly connected with a bearing seat, the bearing seat is in the shape of an incomplete ring, preferably a semicircular ring, and the open-loop structure can concentrically rotate with the tungsten rod; the stirring rod is arranged at equal angles, and is used for stirring rare earth liquid deep into the molybdenum crucible, and 360-degree rotary stirring is carried out on the stirring rod by taking the tungsten rod as the center.
Further, a slag removing device applying the molybdenum crucible rare earth electrolysis stirring assembly is provided, the slag removing device comprises a short column, the short column and a toothed ring are detachably arranged, and the length of the short column is smaller than the distance from an electrolysis furnace mouth to a molybdenum crucible; the number of the short columns is at least 2, and the short columns are horizontally and symmetrically arranged; an L-shaped frame is fixedly connected between the short columns, a vertical rod is fixedly connected to the horizontal section of the L-shaped frame, and a slag removing piece is hinged to the free end of the vertical rod and used for cleaning slag points in the electrolytic furnace; the waist of the slag removing part is hinged with a fourth telescopic rod, the fourth telescopic rod can be a hydraulic cylinder or an electric push rod, and the fourth telescopic rod is hinged with the horizontal section of the L-shaped frame.
The invention has the beneficial effects that: this application makes the ring gear carry the puddler through inject ring seat position and carries 360 rotations, has eliminated the problem of stirring blind area, and stirring is effectual, and mechanized stirring can avoid scalding operating personnel. The utility model discloses a scarfing cinder device can be rotatory into vertical form or level form with scarfing cinder spare through setting up the fourth telescopic link, can avoid having structural interference when vertical, guarantees the stirring and the clearance impurity of tombarthite liquid, can clear up the sediment point in the electrolytic furnace alone when the level.
Drawings
FIG. 1 is a schematic view showing a sectional structure of a prior art molybdenum crucible for electrolysis.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic view of a front cross-sectional structure of the ring seat.
Fig. 4 is a schematic top sectional structure of the ring seat.
Fig. 5 is a schematic perspective view of a stirring rod.
Fig. 6 is a schematic perspective view of a support frame.
Fig. 7 is a schematic perspective view of a slip ring.
Fig. 8 is a schematic diagram of the front view of the cam.
Fig. 9 is a schematic perspective view of a squeegee.
Fig. 10 is a schematic perspective view of a second telescopic rod.
Fig. 11 is a schematic perspective view of the fishing plate.
Fig. 12 is a schematic perspective view of a guide bar and a first telescopic bar.
Fig. 13 is a schematic perspective view of a slide.
Fig. 14 is a schematic perspective view of a notch.
Fig. 15 is a schematic perspective view of a third telescopic rod.
Fig. 16 is a schematic side sectional structure of the scraper and the bailing plate.
Fig. 17 is a schematic perspective view of a slag plate.
Fig. 18 is a schematic perspective view of a push plate.
Fig. 19 is a schematic perspective view of the slag removing member when it is vertically placed.
Fig. 20 is a schematic side sectional structure of the slag removing member when laid flat.
In the figure: 1. a molybdenum crucible; 2. an electrolytic furnace; 3. a tungsten rod; 4. a support arm; 5. a ring seat; 6. a toothed ring; 7. a first gear; 8. a first motor; 9. a support column; 10. a bearing seat; 11. a stirring rod; 12. a first ring; 13. a second ring; 14. a ring groove; 15. a U-shaped cavity; 16. a limit groove; 17. a gear cavity; 18. a blind hole; 19. a slide hole; 20. a positioning head; 21. a pressure spring; 22. a support frame; 23. a guide rail; 24. u-shaped guide grooves; 25. a slip ring; 26. a stop plate; 27. a cam; 28. a gear ring; 29. a second gear; 30. a second motor; 31. a guide hole; 32. a guide rod; 33. a first telescopic rod; 34. a sleeve; 35. a connecting rod; 36. a scraper; 37. a second telescopic rod; 38. an isolation net; 39. fishing out the plate; 40. a movable seat; 41. a slideway; 42. a notch; 43. a cross beam; 44. a slide tube; 45. a blocking seat; 46. a connecting rod; 47. a support; 48. a third telescopic rod; 49. slag plate; 50. slag holes; 51. a rotating rod; 52. a push plate; 53. balancing weight; 54. a short column; 55. an L-shaped frame; 56. a vertical rod; 57. a slag removing member; 58. a fourth telescopic rod; 59. a cross plate; 60. a longitudinal plate; 61. a vertical plate.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," "fourth" and the like 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.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, in the prior art, a molybdenum crucible 1 containing raw materials is placed in an electrolytic furnace 2, a tungsten rod 3 is vertically inserted into the molybdenum crucible 1 for smelting, a supporting arm 4 is mounted on the side wall of the tungsten rod 3, and the supporting arm 4 is used for mounting the tungsten rod 3.
Example 1
As shown in fig. 2, the molybdenum crucible rare earth electrolytic stirring assembly comprises a ring seat 5, wherein the ring seat 5 is positioned below a supporting arm 4, and the ring seat 5 is concentric with the tungsten rod 3; the ring seat 5 is rotationally connected with a toothed ring 6, an external tooth surface of the toothed ring 6 is meshed with a first gear 7, the first gear 7 is driven by a first motor 8, and the first motor 8 is fixed with the ring seat 5; the tooth ring 6 is detachably provided with support columns 9, and the number of the support columns 9 is at least 2 and the support columns are horizontally and symmetrically arranged; the free end of the support column 9 is fixedly connected with a bearing seat 10, the bearing seat 10 is in the shape of an incomplete ring, preferably a semicircular ring, and the open-loop structure can form concentric rotation with the tungsten rod 3, so that the stirring and the separation of rare earth liquid are facilitated; the top surface of the bearing seat 10 is provided with a stirring rod 11 which is vertically arranged, the stirring rod 11 and the bearing seat can be fixedly connected or movably connected, the stirring rod 11 is arranged at equal angles, the stirring rod 11 is used for penetrating into the molybdenum crucible 1 to stir rare earth liquid, and the stirring rod 11 rotates for 360 degrees by taking the tungsten rod 3 as the center; this application makes ring gear 6 can carry puddler 11 and carry out 360 rotations through prescribing a limit to ring seat 5 positions, has eliminated the problem of stirring blind area, and stirring is effectual, and mechanized stirring can avoid scalding operating personnel.
As shown in fig. 3, as an optimization of an embodiment, the ring seat 5 includes a first ring 12 and a second ring 13, a ring groove 14 is formed on opposite surfaces of the first ring 12 and the second ring 13, the ring groove 14 is L-shaped, an upper ring groove and a lower ring groove 14 form a U-shaped cavity 15, an opening of the U-shaped cavity 15 penetrates through inner sides of the first ring 12 and the second ring 13, the U-shaped cavity 15 is used for installing the toothed ring 6, a limit groove 16 is formed in a horizontal section in the ring groove 14, and the limit groove 16 is used for guiding circumferential rotation of the toothed ring 6; the opposite surfaces of the first circular ring 12 and the second circular ring 13 are provided with a gear cavity 17, and the gear cavity 17 is used for installing the first gear 7; the first ring 12 and the second ring 13 are fixed by bolts arranged at equal angles, and the structural parts are convenient to install by the structure of the limiting ring seat 5, so that the rotary connection of the toothed ring 6 is realized.
As shown in fig. 4, as an optimization of an embodiment, blind holes 18 are formed in the inner side surface of the toothed ring 6, at least two blind holes 18 are formed, the blind holes 18 are used for horizontally inserting support columns 9, and the support columns 9 are fixed in the blind holes 18 through bolts; the detachable mounting of the support column 9 is achieved by the structure defining the toothed ring 6.
As shown in fig. 5, as an optimization of the embodiment, the top surface of the bearing seat 10 is provided with slide holes 19 arranged at equal angles, the slide holes 19 are used for slidably connecting the stirring rod 11, and the movable connection of the stirring rod 11 is realized by defining the structure of the bearing seat 10.
As shown in fig. 5, as an optimization of the embodiment, the stirring rod 11 is in a rod shape, preferably a round rod, a limiting head 20 is fixedly connected to the upper end of the stirring rod 11, the diameter of the limiting head 20 is larger than that of the sliding hole 19, the limiting head 20 can play a role in limiting the stirring rod 11, and the movable installation of the stirring rod 11 can automatically rise after touching the bottom surface of the molybdenum crucible 1, so that displacement and damage of the molybdenum crucible 1 caused by rigid scraping are reduced.
As shown in fig. 5, as an optimization of the embodiment, the side wall of the stirring rod 11 is sleeved with a compression spring 21, the compression spring 21 is elastically connected between the limiting head 20 and the bearing seat 10, and the limiting head 20 is separated from the bearing seat 10 by arranging the compression spring 21.
As shown in fig. 6, as an optimization of the embodiment, the support column 9 is provided with a support frame 22, the support frame 22 is fixedly connected with the support column 9, the support frame 22 is provided with a guide rail 23, as shown in fig. 7, the inner side surface of the guide rail 23 is arc-shaped, the arc-shaped surface is provided with a U-shaped guide groove 24, and the U-shaped guide groove 24 is arc-shaped; a slip ring 25 is slidably connected in the U-shaped guide groove 24, and the slip ring 25 is in the shape of an incomplete ring, preferably a semicircular ring; stop plates 26 are fixedly connected to the two ends of the slip ring 25, and the stop plates 26 are used for limiting the position of the slip ring 25 and avoiding derailment of the slip ring 25; the inner wall of the slip ring 25 is fixedly connected with a cam 27, the cam 27 rotates around the tungsten rod 3, and the shape of the cam 27 is in an incomplete tubular shape, preferably a semicircular tube; as shown in fig. 8, the bottom surface of the cam 27 is arc-shaped, the middle part is convex, the two sides are concave, the surface is smooth, and the bottom surface of the cam 27 is in sliding contact with the limit head 20; the outer side wall of the cam 27 is fixedly connected with a gear ring 28, the gear ring 28 is in an incomplete circular ring, preferably a semicircular ring, the outer tooth surface of the gear ring 28 is meshed with a second gear 29, the second gear 29 is driven by a second motor 30, the second motor 30 can select a servo motor, the reciprocating rotation of the cam 27 is realized through positive and negative rotation, and the second motor 30 is fixed with the support frame 22; when the middle part of the cam 27 contacts with the limiting head 20, the stirring rod 11 moves downwards (matched with the elastic action of the pressure spring 21), when the two sides of the cam 27 contact with the limiting head 20, the stirring rod 11 moves upwards (matched with the elastic action of the pressure spring 21), and the stirring rod 11 can stir in the vertical direction on the basis of stirring in the circumferential direction by arranging the cam 27, so that stirring is more sufficient.
As shown in fig. 9, as an optimization of the embodiment, the side wall of the stirring rod 11 is slidably connected with a sleeve 34, the sleeve 34 is located below the bearing seat 10, and the side wall of the sleeve 34 is fixedly connected with a connecting rod 35, so that a plurality of sleeves 34 can be displaced downwards or upwards at the same time, the sleeve 34 is used for scraping the rare earth liquid adhered on the stirring rod 11, the ground is prevented from being polluted by the dropped rare earth liquid, and the stirring of the stirring rod 11 is not influenced by the sleeve 34; the scraper 36 is fixedly connected with the middle connecting rod 35, the scraper 36 is a strip-shaped thin plate, and the scraper 36 is arranged towards the tungsten rod 3, so that the end face of the scraper 36 stirs rare earth liquid, the length of the scraper 36 is smaller than the radius of the molybdenum crucible 1, the scraper 36 can extend into the molybdenum crucible 1, and the sleeve 34 is synchronously driven; as shown in fig. 10, a second telescopic rod 37 is arranged on the outer side of the scraper 36, and the two telescopic rods are preferably connected in a pin joint mode; the telescopic direction of the second telescopic rod 37 is up and down, a hydraulic cylinder or an electric push rod can be selected, the second telescopic rod 37 is fixed with the supporting frame 22, the position of the scraping plate 36 can be controlled by arranging the second telescopic rod 37, and further the upward displacement or the downward displacement of the sleeve 34 is realized, so that rare earth liquid on the stirring rod 11 is scraped.
As shown in fig. 11, as an optimization of the embodiment, the bottom edge of the scraper 36 is fixedly connected with an isolation net 38, the isolation net 38 is used for blocking impurities in the rare earth liquid, the bottom edge of the isolation net 38 is fixedly connected with a fishing plate 39, the fishing plate 39 is a strip-shaped thin plate, the end surface of the fishing plate 39 is perpendicular to the scraper 36, the fishing plate 39 and the scraper 36 form an impurity collecting space, the filtered rare earth liquid passes through the isolation net 38, and impurities in the rare earth liquid can be collected by arranging the scraper 36 and the fishing plate 39.
As shown in fig. 12, as an optimization of the embodiment, the end surface of the ring seat 5 is provided with 2 guide holes 31, and the guide holes 31 are symmetrically distributed at quadrant points of the ring seat 5, and the guide direction of the guide holes 31 is vertical; a guide rod 32 is connected in a sliding manner in the guide hole 31, the guide rod 32 is cylindrical, and the lower end of the guide rod 32 is fixed with the electrolytic furnace 2; the bottom surface of the ring seat 5 is provided with a first telescopic rod 33, the telescopic direction of the first telescopic rod 33 is up and down, the first telescopic rod 33 can be a hydraulic cylinder or an electric push rod, and the lower end of the first telescopic rod 33 is fixed with the electrolytic furnace 2; the position of the ring seat 5 can be controlled by arranging the first telescopic rod 33, so that the stirring rod 11 is inserted into or pulled out of the molybdenum crucible 1.
Example two
As shown in fig. 13, unlike the embodiment, considering that the stirring assembly is fixed at the position of the mouth of the electrolytic furnace 2, the long-term heat radiation affects the service life of the components, the lower end of the guide rod 32 is provided with the movable seat 40, the lower end of the first telescopic rod 33 is provided with the movable seat 40, two movable seats 40 are in a group of sliding connection with the slide ways 41, the guiding direction of the slide ways 41 is horizontal, the slide ways 41 are connected with the electrolytic furnace 2, and the stirring assembly can be displaced by arranging the slide ways 41, so that the long-term heat radiation of the components is avoided, and the service life of the components is prolonged.
As shown in fig. 13, as an optimization of the embodiment, a cross beam 43 is fixedly connected between the first telescopic rod 33 and the guide rod 32, the cross beam 43 is parallel to the sliding direction of the slideway 41, the stability of the structure can be improved by arranging the cross beam 43, the sliding is convenient, and the arrangement position of the cross beam 43 does not influence the ring seat 5 to be separated from the tungsten rod 3.
As shown in fig. 14, as an optimization of the embodiment, considering that the ring seat 5 is of an integral closed-loop structure, structural interference exists when the stirring assembly leaves the electrolytic furnace 2, the end face of the ring seat 5 is provided with a notch 42, the end face of the same toothed ring 6 is also provided with a notch 42, the notch 42 is parallel to the slideway 41, the stirring assembly is convenient to leave the opening of the electrolytic furnace 2, the problem of structural interference is avoided, and the notch 42 does not affect the normal rotation of the toothed ring 6.
Example III
As shown in fig. 15, unlike the embodiment, considering that impurities are easy to adhere to the inner wall of the molybdenum crucible 1 and the surface of the tungsten rod 3, the purity of the rare earth liquid can not be affected by cleaning, the rare earth liquid cleaning device further comprises a sliding tube 44, the sliding tube 44 is slidably connected with the supporting column 9, the free end of the supporting column 9 is fixedly connected with a baffle seat 45, and the bearing seat 10 and the supporting frame 22 are fixed through a connecting rod 46; the support 47 is fixedly connected between the support columns 9, the third telescopic rods 48 are arranged on the support 47, the telescopic direction of the third telescopic rods 48 is horizontal, a hydraulic cylinder or an electric push rod can be selected, the piston ends of the third telescopic rods 48 are fixedly connected with the support frame 22, as shown in fig. 16, the positions of the scraping plates 36 are adjustable by arranging the third telescopic rods 48, namely the scraping plates 36 are horizontally displaced, radial displacement of the scraping plates 36 in the molybdenum crucible 1 is achieved, impurities on the inner wall of the molybdenum crucible 1 can be scraped by outward displacement, impurities on the outer wall of the tungsten rod 3 can be scraped by inward displacement, the impurity cleaning effect is further improved, and the stirring effect is better by increasing stirring in the horizontal direction on the basis of circumferential stirring and vertical stirring by the stirring rods 11.
Example IV
As shown in fig. 17, unlike the embodiment, considering that the mesh of the isolation net 38 is easily blocked by impurities, the scraper 36 and the drag-out plate 39 are connected by a slag plate 49, the slag plate 49 is a strip-shaped thin plate, the slag plate 49 is obliquely arranged, and slag holes 50 are formed on the end surface of the slag plate 49 at equal intervals; the back of the scraper 36 is hinged with a rotating rod 51, the horizontal arrangement of the rotating rod 51 is realized, the side wall of the rotating rod 51 is fixedly connected with pushing plates 52 which are arranged at equal intervals, the pushing plates 52 are in one-to-one correspondence with the slag holes 50, and the pushing plates 52 are in clearance fit with the slag holes 50, and the pushing plates 52 can automatically push out impurities in the slag holes 50 due to the oblique arrangement of the slag plates 49, so that the problem of hole blockage caused by the impurities is effectively avoided.
As shown in fig. 18, as an optimization of the embodiment, the end surface of the push plate 52 is fixedly connected with a balancing weight 53, the balancing weight 53 enables the push plate 52 to freely droop, the push plate 52 is guaranteed to tilt when collecting impurities, a filtering effect is generated, and after the impurities are collected, a slag hole 50 cleaning effect is generated.
As shown in fig. 19, further, considering that when the rare earth liquid is electrolyzed, part of the rare earth liquid or the cleaned impurities can fall into the electrolytic furnace 2 to form slag points and need to be cleaned at fixed time, a slag cleaning device using the rare earth electrolytic stirring assembly of the molybdenum crucible is provided, and the slag cleaning device comprises a short column 54, wherein the short column 54 is detachably arranged with the toothed ring 6, and the length of the short column 54 is smaller than the distance from the mouth of the electrolytic furnace 2 to the molybdenum crucible 1; the number of stubs 54 is at least 2 and is horizontally symmetrically arranged; an L-shaped frame 55 is fixedly connected between the short columns 54, a vertical rod 56 is fixedly connected at the horizontal section of the L-shaped frame 55, a slag removing piece 57 is hinged at the free end of the vertical rod 56, and the slag removing piece 57 is used for cleaning slag points in the electrolytic furnace 2; the waist of scarfing cinder spare 57 articulates there is fourth telescopic link 58, and pneumatic cylinder or electric putter can be selected to fourth telescopic link 58, and fourth telescopic link 58 articulates with the horizontal segment of L type frame 55, can be with scarfing cinder spare 57 rotatory into vertical form or level form through setting up fourth telescopic link 58, can avoid having the structure to disturb when vertical, guarantees the stirring of tombarthite liquid and clear up impurity, can clear up the sediment point in the electrolytic furnace 2 alone when level.
As shown in fig. 20, as an optimization of the embodiment, the inner side surface of the toothed ring 6 is provided with at least two blind holes 18, the blind holes 18 are opposite to the blind holes 18 of the mounting support column 9, the blind holes 18 are used for horizontally inserting the short columns 54, and the short columns 54 are fixed in the blind holes 18 through bolts; the detachable mounting of the stub 54 is achieved by the structure defining the toothed ring 6.
As shown in fig. 20, as an optimization of the embodiment, the slag removing member 57 includes a cross plate 59, a vertical plate 60, and a vertical plate 61; the transverse plate 59, the longitudinal plate 60 and the vertical plate 61 are fixedly connected with each other to form a collecting cavity for scraping slag points, after the rare earth liquid is smelted in the molybdenum crucible 1, the molybdenum crucible 1 is taken out, the bottom surface of the electrolytic furnace 2 can be cleaned by arranging the transverse plate 59 in cooperation with the descent of the ring seat 5, the side surface of the electrolytic furnace 2 can be cleaned by arranging the vertical plate 61, and slag point cleaning of the electrolytic furnace 2 is realized.
Although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that the foregoing embodiments may be modified and practiced in the field of the invention, and that certain modifications, equivalents, improvements and substitutions may be made thereto without departing from the spirit and principles of the invention.
Claims (10)
1. The molybdenum crucible rare earth electrolysis stirring assembly comprises a ring seat (5), and is characterized in that the ring seat (5) is positioned below a supporting arm (4), and the ring seat (5) is concentric with the tungsten rod (3); the ring seat (5) is rotationally connected with a toothed ring (6), the outer tooth surface of the toothed ring (6) is meshed with a first gear (7), and the first gear (7) is driven by a first motor (8); the toothed ring (6) is provided with a support column (9); the free end of the support column (9) is provided with a bearing seat (10); the top surface of the bearing seat (10) is provided with a stirring rod (11), and the stirring rod (11) is used for penetrating into the molybdenum crucible (1) to stir the rare earth liquid.
2. The molybdenum crucible rare earth electrolysis stirring assembly according to claim 1, characterized in that the bearing seat (10) is in an incomplete ring shape, the top surface of the bearing seat (10) is provided with slide holes (19) which are arranged at equal angles, and the slide holes (19) are used for being connected with the stirring rod (11) in a sliding manner.
3. The molybdenum crucible rare earth electrolysis stirring assembly according to claim 2, wherein the stirring rod (11) is rod-shaped, a limiting head (20) is arranged at the upper end of the stirring rod (11), a pressure spring (21) is sleeved on the side wall of the stirring rod (11), and the pressure spring (21) is arranged between the limiting head (20) and the bearing seat (10) in an elastic connection mode.
4. A molybdenum crucible rare earth electrolysis stirring assembly according to claim 3, further comprising a support frame (22), wherein a guide rail (23) is arranged on the support frame (22), and a sliding ring (25) is connected in a sliding manner in a U-shaped guide groove (24) of the guide rail (23); the inner wall of the slip ring (25) is provided with a cam (27), and the cam (27) rotates around the tungsten rod (3); the bottom surface shape arc of cam (27), and the middle part is protruding form, and both sides are sunken form, the bottom surface and the spacing head (20) sliding contact of cam (27), and cam (27) make puddler (11) stir on the basis of circumferencial direction stirring, can carry out the stirring of vertical direction.
5. The molybdenum crucible rare earth electrolysis stirring assembly according to claim 4, wherein a sleeve (34) is connected to the side wall of the stirring rod (11) in a sliding manner, the sleeve (34) is positioned below the bearing seat (10), a connecting rod (35) is arranged on the side wall of the sleeve (34), and the sleeve (34) is used for scraping rare earth liquid adhered to the stirring rod (11); the middle connecting rod (35) is provided with a scraping plate (36), the outer side of the scraping plate (36) is provided with a second telescopic rod (37), and the second telescopic rod (37) enables the sleeve (34) to move up or down.
6. The molybdenum crucible rare earth electrolysis stirring assembly according to claim 5, wherein an isolation net (38) is arranged at the bottom edge of the scraper (36), the isolation net (38) is used for blocking impurities in rare earth liquid, a fishing plate (39) is arranged at the bottom edge of the isolation net (38), the fishing plate (39) and the scraper (36) form an impurity collecting space, and the filtered rare earth liquid passes through the isolation net (38).
7. The molybdenum crucible rare earth electrolysis stirring assembly according to claim 1, characterized in that the end surface of the ring seat (5) is provided with a guide hole (31); a guide rod (32) is connected in a sliding way in the guide hole (31); the bottom surface of ring seat (5) is equipped with first telescopic link (33), and first telescopic link (33) make puddler (11) insert or pull out molybdenum crucible (1).
8. The molybdenum crucible rare earth electrolysis stirring assembly according to claim 7, wherein the lower end of the guide rod (32) is provided with a movable seat (40), the lower end of the first telescopic rod (33) is provided with a movable seat (40), the two movable seats (40) are in sliding connection with a group of slide ways (41), and the guide direction of the slide ways (41) is horizontal; the end face of the ring seat (5) is provided with a notch (42), the end face of the toothed ring (6) is provided with the notch (42), and the notch (42) is parallel to the slideway (41).
9. The molybdenum crucible rare earth electrolysis stirring assembly according to claim 6, further comprising a slide tube (44), wherein the slide tube (44) is in sliding connection with the support column (9), and the bearing seat (10) and the support frame (22) are fixed through a connecting rod (46); be equipped with support (47) between support column (9), be equipped with third telescopic link (48) on support (47), third telescopic link (48) make scraper blade (36) radial direction displacement in molybdenum crucible (1), and the impurity of molybdenum crucible (1) inner wall can be scraped to the outside displacement, and the impurity of tungsten stick (3) outer wall can be scraped to the inside displacement.
10. A slag removal device applying the molybdenum crucible rare earth electrolytic stirring assembly according to any one of claims 1-9, comprising short columns (54), and characterized in that the short columns (54) are detachably arranged with a toothed ring (6), L-shaped frames (55) are arranged between the short columns (54), vertical rods (56) are arranged at the horizontal sections of the L-shaped frames (55), slag removal pieces (57) are hinged at the free ends of the vertical rods (56), and the slag removal pieces (57) are used for cleaning slag points in an electrolytic furnace (2); the waist of the slag removing part (57) is hinged with a fourth telescopic rod (58), the fourth telescopic rod (58) is hinged with the horizontal section of the L-shaped frame (55), and the fourth telescopic rod (58) can rotate the slag removing part (57) into a vertical shape or a horizontal shape.
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| CN202310779136.6A CN116497406B (en) | 2023-06-29 | 2023-06-29 | Molybdenum crucible rare earth electrolysis stirring assembly and slag removal device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310779136.6A CN116497406B (en) | 2023-06-29 | 2023-06-29 | Molybdenum crucible rare earth electrolysis stirring assembly and slag removal device |
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| CN116497406A true CN116497406A (en) | 2023-07-28 |
| CN116497406B CN116497406B (en) | 2023-09-15 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952727A (en) * | 2014-02-20 | 2014-07-30 | 赣州三友稀土新材料有限公司 | Stirring apparatus for rare earth metal electrolysis furnace |
| CN115110121A (en) * | 2022-06-15 | 2022-09-27 | 赣州市恒源科技股份有限公司 | Electrolytic device for producing rare earth metal alloy |
| CN217709707U (en) * | 2022-06-20 | 2022-11-01 | 赣州立鑫新材料有限公司 | Rare earth electrolytic cell |
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2023
- 2023-06-29 CN CN202310779136.6A patent/CN116497406B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952727A (en) * | 2014-02-20 | 2014-07-30 | 赣州三友稀土新材料有限公司 | Stirring apparatus for rare earth metal electrolysis furnace |
| CN115110121A (en) * | 2022-06-15 | 2022-09-27 | 赣州市恒源科技股份有限公司 | Electrolytic device for producing rare earth metal alloy |
| CN217709707U (en) * | 2022-06-20 | 2022-11-01 | 赣州立鑫新材料有限公司 | Rare earth electrolytic cell |
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| CN116497406B (en) | 2023-09-15 |
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Denomination of invention: A molybdenum crucible rare earth electrolysis stirring component and slag cleaning device Granted publication date: 20230915 Pledgee: Baotou Branch of Bank of China Ltd. Pledgor: Inner Mongolia Beike Jiaotong University Robot Co.,Ltd. Registration number: Y2024150000023 |