CN117466290B - Graphene extraction device and method for preparing raw materials of heat dissipation film - Google Patents
Graphene extraction device and method for preparing raw materials of heat dissipation film Download PDFInfo
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- CN117466290B CN117466290B CN202311822544.1A CN202311822544A CN117466290B CN 117466290 B CN117466290 B CN 117466290B CN 202311822544 A CN202311822544 A CN 202311822544A CN 117466290 B CN117466290 B CN 117466290B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 67
- 238000000605 extraction Methods 0.000 title claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 36
- 239000002994 raw material Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title description 3
- 238000007790 scraping Methods 0.000 claims abstract description 75
- 238000007789 sealing Methods 0.000 claims abstract description 69
- 239000011888 foil Substances 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 229910002804 graphite Inorganic materials 0.000 description 10
- 239000010439 graphite Substances 0.000 description 10
- -1 graphite alkene Chemical class 0.000 description 10
- 239000000835 fiber Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000012528 membrane Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000004067 bulking agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
- C01B32/182—Graphene
- C01B32/184—Preparation
- C01B32/186—Preparation by chemical vapour deposition [CVD]
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a graphene extraction device and a graphene extraction method for preparing a heat dissipation film raw material, wherein the graphene extraction device comprises a reaction outer tank body, a sealing outer end cover is detachably arranged at the top end of the reaction outer tank body through a fixing bolt, a reaction inner barrel is fixedly arranged in the reaction outer tank body, a thread groove is formed in the top of the inner wall of the reaction inner barrel, and a sealing barrel cover for sealing the reaction inner barrel is screwed in the thread groove in a threaded manner; according to the invention, the graphene film on the metal foil in the reaction inner cylinder can be scraped through the sliding scraper, the graphene film deposited in the sealing cylinder cover can be scraped through the rotation of the half-frame scraper, the graphene deposited on the sliding scraper can be scraped through the rotation of the abutting scraping block, the sliding scraper is pushed out to the outside of the sealing cylinder cover through the pushing column, and the graphene accumulated in the collecting cavity can be collected in a concentrated mode.
Description
Technical Field
The invention relates to the technical field of graphene extraction, in particular to a graphene extraction device and method for preparing a raw material of a heat dissipation film.
Background
The heat dissipation film is a layer of heat conduction and dissipation film used on mobile phones, tablet computers and the like, and the industry is roughly divided into four types: natural graphite, artificial graphite, graphene and carbon nanotube heat dissipation films are increasingly used because of their high thermal conductivity and superflexibility.
Corncob is an agricultural waste, the components of which are mainly biomass components such as cellulose and lignin, and scientists have found that in recent years, a few nano-scale graphene materials are contained in the corncob, so that the extraction of graphene by utilizing the corncob becomes a novel green graphene preparation technology.
The application number is 201910485233.8, and the specific operation steps are as follows: step one: collecting corn stalks and corncobs as production raw materials, washing away soil impurities on the surfaces of the raw materials, sun-drying, crushing the raw materials by using a crusher, sieving by using a screen to obtain fine materials, obtaining natural fiber powder, and performing high-temperature treatment on the natural fiber powder to obtain micro-carbonized fibers; step two: placing the micro-carbonized fiber prepared in the step one into a reaction kettle, preparing clear water with the volume of 2-4 times of the micro-carbonized fiber, adding a bulking agent into the clear water, adding the clear water with the bulking agent into the reaction kettle, heating and uniformly stirring, adding sulfuric acid to hydrolyze the micro-carbonized fiber after the micro-carbonized fiber is soaked, and centrifuging to obtain micro-carbonized lignocellulose; step three: performing high-temperature and high-pressure treatment on the micro-carbonized lignocellulose prepared in the second step to prepare fully-carbonized fibers, repeatedly pressing the fully-carbonized fibers to form a fully-carbon structure, repeatedly hammering the fully-carbon structure, and grinding by using a ball mill to prepare carbon crystals; step four: putting the carbon crystal prepared in the third step into a gas making furnace to make gas, collecting carbon-containing gas including carbon monoxide, methane and propane, and introducing the carbon-containing gas into a gas washing device to wash out impurities; step five: drying the gas after the impurities are washed out in the step four, introducing the gas into a reaction kettle full of metal foil, and simultaneously introducing inert gas into the reaction kettle to polymerize and deposit carbon molecules in carbon-containing gas on the metal foil under high temperature and high pressure environment; step six: discharging gas in the reaction kettle, scraping off a deposited film on the surface of the metal foil, and completing graphene preparation;
however, in the sixth step, the graphene film deposited on the metal foil in the reaction kettle is scraped to complete the preparation of graphene, and in actual operation, most of the graphene film is manually completed, so that the scraping of the graphene film on the metal foil is very troublesome and inconvenient, and the scraped graphene film cannot be collected in a concentrated manner.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a graphene extraction device for preparing a raw material of a heat dissipation film.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to a graphene extraction device for preparing a heat dissipation film raw material, which comprises a reaction outer tank body, wherein a sealing outer end cover is detachably arranged at the top end of the reaction outer tank body through a fixing bolt;
the reaction inner cylinder, the inner wall of the sealing cylinder cover and the top end of the sliding scraper are provided with metal foils, the bottom of the sliding scraper is provided with a sliding lifting assembly for pushing the position height of the sliding lifting assembly, the top of the sliding lifting assembly is rotatably provided with a quick-release connecting piece, and the quick-release connecting piece is fixedly arranged in the middle of the bottom end of the sliding scraper;
a half-frame scraping plate is arranged in the inner cavity of the sealing cylinder cover in a manner of being attached to the inner wall of the sealing cylinder cover, a tightly-supporting scraping block in an inverted cone shape is fixedly arranged at the bottom end of the half-frame scraping plate, and a collecting cavity is formed between the sliding scraping plate and the sealing cylinder cover;
the top of the sealing cylinder cover is provided with a hand wheel rotating assembly for driving the half frame scraping plate, the outer part of the hand wheel rotating assembly is provided with an elastic plug-in assembly connected with the sealing cylinder cover, and the top of the sealing cylinder cover is provided with a plug-in groove corresponding to the elastic plug-in assembly.
As a preferable technical scheme of the invention, the sliding lifting assembly comprises a sliding lifting column, the bottom of the sliding lifting column sequentially slides through the reaction inner cylinder and the reaction outer tank body and is fixedly provided with a limiting baffle, and the outer part of the sliding lifting column is sleeved with a sliding lantern ring in a matched manner;
the utility model discloses a reaction inner tube, including the slip lantern ring, the slip lantern ring is located the bottom of reaction inner tube, just the opening has been seted up to one side of slip lantern ring, the both ends that are located the opening part on the slip lantern ring are all fixed and are provided with fixed base plate, the both sides on fixed base plate top are all fixed and are provided with fixed branch, four fixed the top of fixed branch is fixed and is provided with same unable adjustment base, unable adjustment base is fixed to be set up in the bottom of reaction inner tube.
As a preferable technical scheme of the invention, a worm wheel is arranged between two fixed substrates, the worm wheel is rotationally connected with the two fixed substrates through a connecting rotating shaft fixedly arranged at an axle center, fixed rack plates are meshed with the inner sides of the worm wheel, and the fixed rack plates are fixedly connected with a sliding lifting column;
the top of worm wheel cooperatees and is provided with the worm, the one end rotation of worm is provided with fixed sleeve, fixed sleeve is through the connecting rod that both sides were equipped with respectively with two fixed struts fixed connection, just the one end of worm passes fixed sleeve fixed driven bevel gear that is provided with, driven bevel gear's one side is provided with driving bevel gear in mesh mutually, the bottom mounting of reaction inner tube inner chamber is provided with the servo motor that carries out driven to driving bevel gear.
As a preferable technical scheme of the invention, the quick-release connecting piece comprises a rotary connecting column, wherein the rotary connecting column is rotatably arranged at the top end of a sliding lifting column, a connecting sleeve is sleeved at the top of the rotary connecting column, the connecting sleeve is fixedly arranged in the middle of the bottom end of a sliding scraper, and a plurality of inverted L-shaped limit clamping grooves are formed in the outer wall of the connecting sleeve at equal intervals along the circumferential direction;
the limiting clamping groove comprises a vertical upward sliding part and a limiting part perpendicular to the sliding part, a sliding inserted bar is arranged in the limiting part in an internal limiting mode, one end of the sliding inserted bar is fixedly connected with the rotating connecting column, and an elastic rubber sleeve is sleeved outside the sliding inserted bar.
As a preferable technical scheme of the invention, a reduction gear is fixedly arranged outside the rotary connecting column, one side of the reduction gear is provided with a driving gear in a meshed manner, the bottom of the driving gear is provided with a driving motor for driving the reduction gear, the bottom end of the driving motor is fixedly provided with a mounting base, and the mounting base is fixedly arranged outside the sliding lifting column.
As a preferable technical scheme of the invention, the hand wheel rotating assembly comprises a rotating hand wheel and a fixed rotating shaft with an open bottom end, wherein the fixed rotating shaft is fixedly connected with the half-frame scraping plate, and the top end of the fixed rotating shaft rotates to penetrate through the sealing cylinder cover and is fixedly connected with the rotating hand wheel;
the bottom of rotation hand wheel is provided with a plurality of inside hollow fixed cylinder along circumferencial direction equidistance, the slip is provided with the sliding block in the fixed cylinder, the fixed extension spring that is provided with in top of sliding block, the top and the inner wall fixed connection of fixed cylinder of extension spring, the bottom of sliding block is provided with the haulage rope, the bottom of haulage rope passes the fixed cylinder and ties there is the couple.
As a preferable technical scheme of the invention, a screw rod is rotatably arranged in the fixed rotating shaft, a rotating rod for driving the screw rod is fixedly arranged at the top end of the screw rod through a rotating hand wheel, a pushing column for pushing the sliding scraper is sleeved on the bottom of the screw rod in a matched threaded manner, a plurality of guide strips are fixedly arranged on the outer wall of the pushing column at equal intervals, and the guide strips are matched and slidably arranged in guide grooves formed in the inner wall of the fixed rotating shaft.
As a preferable technical scheme of the invention, the elastic plug-in assembly comprises a fixed circular plate and a sliding circular table, wherein the fixed circular plate is fixedly arranged outside the fixed rotating shaft, the sliding circular table is positioned at the bottom of the fixed circular plate and is matched with the fixed rotating shaft in a sliding manner along the vertical direction, the top of the sliding circular table is provided with a pushing spring, the pushing spring is sleeved outside the fixed rotating shaft, and two ends of the pushing spring are respectively fixedly connected with the fixed circular plate and the sliding circular table.
As a preferable technical scheme of the invention, a plurality of fixed guide posts are equidistantly arranged at the outer edge of the bottom end of the sliding round table along the circumferential direction, the bottom ends of the guide posts are fixedly provided with plug-in blocks, the plug-in blocks are correspondingly arranged with plug-in grooves formed in the sealing cylinder cover, a plurality of fixed rods are equidistantly arranged at the outer edge of the top end of the sliding round table along the circumferential direction, hanging rings are fixedly arranged at the top ends of the fixed rods, and the hanging rings are correspondingly arranged with the hanging hooks.
The invention also provides a graphene extraction method for preparing the raw material of the heat dissipation film, which comprises the following steps:
s1: the servo motor works to drive the worm wheel to rotate, the worm wheel rotates to drive the fixed rack plate to move upwards, the fixed rack plate moves to drive the sliding lifting column and the connecting sleeve to move upwards, the sliding scraping plate can be driven to move upwards until the sealing cylinder cover is pushed by the sliding lifting column and the connecting sleeve, and graphene on the metal foil in the reaction inner cylinder can be scraped by the sliding scraping plate;
s2: the fixed rotating shaft is driven to rotate through the rotating hand wheel, the fixed rotating shaft rotates to drive the half-frame scraping plate to rotate, and graphene on the metal foil on the sealing cylinder cover and the sliding scraping plate can be scraped through the cooperation of the half-frame scraping plate and the abutting scraping block, so that the graphene is concentrated in the collecting cavity;
s3: the hook is separated from the hanging ring, at the moment, the plug blocks can be pushed into the plug grooves under the elastic action of the pushing springs, the rotary hand wheel and the sealing barrel cover form a whole through the matching plug of the plug blocks and the plug grooves, the sealing barrel cover and the reaction inner barrel can be separated when the rotary hand wheel is rotated, then the rotating rod drives the pushing column to move downwards, the sliding scraping plate is pushed out to the outside of the sealing barrel cover through the pushing column, and graphene accumulated in the collecting cavity can be extracted and collected.
The beneficial effects of the invention are as follows:
1. this kind of a graphite alkene extraction element for preparing heat dissipation membrane raw materials, servo motor work drives the worm wheel and rotates, the worm wheel rotates and drives the fixed rack board that meshes with it and upwards takes place the motion, fixed rack board removes and drives the upward motion of slip lifting post, the upward motion of slip lifting post can drive rotation spliced pole and connecting sleeve upward motion, upward motion through rotation spliced pole and connecting sleeve can promote the upward motion of slip scraper blade until in the sealed cover, can scrape the graphite alkene film on the metal foil in the reaction inner tube through the slip scraper blade.
2. This kind of a graphite alkene extraction element for preparing heat dissipation membrane raw materials, driving motor work drives rotates the spliced pole and rotates, rotates the spliced pole and rotates to drive the slip inserted bar, rotates the slip inserted bar to the sliding part from spacing portion, then can remove the slip inserted bar and to the connecting sleeve spacing in vertical orientation this moment, then servo motor work drives initiative bevel gear reverse rotation again and rolls out the slip inserted bar to the outside of sliding part, can carry out quick split with slip scraper blade and slip lifting subassembly.
3. This kind of a graphite alkene extraction element for preparing heat dissipation membrane raw materials rotates and rotates the hand wheel and drive fixed pivot and rotate, and fixed pivot rotates and can drive half frame scraper blade and rotate, can strike off sealed cover interior deposited graphite alkene film through half frame scraper blade.
4. This kind of a graphite alkene extraction element for preparing heat dissipation film raw materials can drive to support when half frame scraper blade pivoted and tightly scrape the piece and rotate, can scratch out the metal foil that makes to support tightly scrape piece and slip scraper blade top through the pointed end that supports tightly scraping the piece bottom and scrape the piece and slide scraper blade top, when supporting tightly scraping the piece rotation like this, can realize scraping the graphite alkene of depositing on the slip scraper blade.
5. This kind of a graphite alkene extraction element for preparing heat dissipation membrane raw materials is hung the couple and is put the connection with the link, at this moment through setting up the elastic tension of a plurality of extension springs and be greater than the promotion pressure of pushing the spring, can drive the upward movement of slip round platform, and the upward movement of slip round platform drives guide pillar and grafting piece upward movement, and at this moment grafting piece is in the separation state with the grafting groove, rotates the hand wheel and can drive fixed pivot and rotate at this moment.
6. This kind of a graphite alkene extraction element for preparing heat dissipation membrane raw materials, when separating couple and link, can promote slip round platform downstream through the thrust of pushing spring, at this moment the grafting piece downstream is to the grafting inslot, through the cooperation of a plurality of grafting pieces and grafting groove, can constitute a whole between fixed pivot and rotation hand wheel and the sealed cover, at this moment the sealed cover can rotate along with following when rotating the hand wheel, can realize taking off sealed cover and reaction inner tube separately, then rotate the bull stick and drive the lead screw and rotate, the lead screw autorotation drives the propelling movement post downward movement rather than threaded connection, can release the outside to sealed cover with the slip scraper blade through the propelling movement post, at this moment can concentrate collection with the graphite alkene of piling up in the collection cavity.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a front perspective view of a graphene extraction apparatus for preparing a heat dissipation film raw material according to the present invention;
fig. 2 is a schematic view of the internal structure of an external tank of a graphene extraction device for preparing a raw material of a heat dissipation film according to the present invention;
FIG. 3 is a schematic view showing the internal structure of a reaction inner cylinder of a graphene extraction device for preparing a raw material of a heat dissipation film;
FIG. 4 is a schematic view of the bottom structure of the reaction inner cylinder of a graphene extraction device for preparing a raw material of a heat dissipation film;
FIG. 5 is a schematic diagram of the position structure of a sliding lifting assembly and a quick-release connector of a graphene extraction device for preparing a raw material of a heat-dissipating film;
fig. 6 is a partial enlarged view of a portion a of fig. 5 of a graphene extraction apparatus for preparing a raw material of a heat dissipation film according to the present invention;
fig. 7 is a partially enlarged view of a graphene extraction apparatus for preparing a raw material of a heat dissipation film of the present invention at B of fig. 5;
FIG. 8 is a schematic structural view of a graphene extraction device for preparing a heat dissipation film material according to the present invention, in which a plug is located in a plug groove;
fig. 9 is a schematic structural view of a graphene extraction device for preparing a heat dissipation film raw material when a plug block is separated from a plug groove;
fig. 10 is a schematic diagram of a connection structure between a half-frame scraper and a fixed rotating shaft of a graphene extraction device for preparing a raw material of a heat dissipation film;
FIG. 11 is a schematic view showing the internal structure of a fixed shaft of a graphene extraction device for preparing a raw material of a heat dissipation film according to the present invention;
FIG. 12 is a schematic view of an elastic plug assembly of a graphene extraction device for preparing a heat dissipation film material according to the present invention;
fig. 13 is a partially enlarged view of a graphene extraction apparatus for preparing a raw material of a heat dissipation film of the present invention at C of fig. 12.
In the figure: 10. an outer reaction tank; 11. sealing the outer end cover; 12. a reaction inner cylinder; 13. a thread groove; 14. sealing the cylinder cover; 15. a sliding scraper; 16. a half frame scraper; 17. abutting the scraping block; 18. a collection chamber; 19. a plug-in groove; 20. a slip lifting assembly; 21. sliding the lifting column; 22. a limiting baffle; 23. a sliding collar; 24. fixing the substrate; 25. fixing the support rod; 26. a fixed base; 27. a worm wheel; 28. the connecting rotating shaft; 29. fixing rack plates; 210. a worm; 211. a fixed sleeve; 212. a connecting strut; 213. a driven bevel gear; 214. a drive bevel gear; 215. a servo motor; 30. quick release connectors; 31. rotating the connecting column; 32. a connecting sleeve; 33. a sliding part; 34. a limit part; 35. sliding the inserted link; 36. an elastic rubber sleeve; 37. a reduction gear; 38. a drive gear; 39. a driving motor; 310. a mounting base; 40. a hand wheel rotating assembly; 41. rotating a hand wheel; 42. fixing the rotating shaft; 43. a fixed column; 44. a sliding block; 45. a tension spring; 46. a traction rope; 47. a hook; 48. a screw rod; 49. a rotating rod; 410. pushing the column; 411. a guide bar; 50. an elastic plug assembly; 51. fixing the circular plate; 52. sliding round table; 53. a pushing spring; 54. a guide post; 55. a plug block; 56. a fixed rod; 57. hanging rings.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1-4, the graphene extraction device for preparing a heat dissipation film raw material comprises a reaction outer tank body 10, wherein a sealing outer end cover 11 is detachably arranged at the top end of the reaction outer tank body 10 through a fixing bolt, a reaction inner cylinder 12 is fixedly arranged in the reaction outer tank body 10, a thread groove 13 is formed in the top of the inner wall of the reaction inner cylinder 12, a sealing cylinder cover 14 for sealing the reaction inner cylinder 12 is screwed in the thread groove 13, two sides of the top of the reaction outer tank body 10 are communicated with the reaction inner cylinder 12, an air inlet pipeline is arranged on one side of the bottom of the reaction outer tank body 10 and communicated with the reaction inner cylinder 12, and valves are correspondingly arranged in the two air inlet pipelines and the air outlet pipeline;
a sliding scraping plate 15 which is in an inverted conical shape is arranged in the reaction inner cylinder 12 in a matched sliding manner, metal foils are arranged on the reaction inner cylinder 12, the inner wall of the sealing cylinder cover 14 and the top end of the sliding scraping plate 15, a sliding lifting assembly 20 for pushing the position height of the sliding scraping plate 15 is arranged at the bottom of the sliding scraping plate 15, a quick-release connecting piece 30 is rotatably arranged at the top of the sliding lifting assembly 20, and the quick-release connecting piece 30 is fixedly arranged in the middle of the bottom end of the sliding scraping plate 15;
a half-frame scraping plate 16 is arranged in the inner cavity of the sealing cylinder cover 14 and is attached to the inner wall of the sealing cylinder cover 14, a tightly-supporting scraping block 17 in an inverted cone shape is fixedly arranged at the bottom end of the half-frame scraping plate 16, and a collecting cavity 18 is formed between the sliding scraping plate 15 and the sealing cylinder cover 14;
a hand wheel rotating assembly 40 for driving the half frame scraping plate 16 is arranged at the top of the sealing cylinder cover 14, an elastic plug-in assembly 50 connected with the sealing cylinder cover 14 is arranged outside the hand wheel rotating assembly 40, and a plug-in groove 19 corresponding to the elastic plug-in assembly 50 is formed at the top end of the sealing cylinder cover 14.
As shown in fig. 4-6, the sliding lifting assembly 20 includes a sliding lifting column 21, the bottom of the sliding lifting column 21 sequentially slides through the reaction inner cylinder 12 and the reaction outer tank 10 and is fixedly provided with a limiting baffle 22, and a sliding collar 23 is sleeved on the outer part of the sliding lifting column 21 in a matched manner; the sliding lantern ring 23 is positioned at the bottom of the reaction inner barrel 12, an opening is formed in one side of the sliding lantern ring 23, two ends of the sliding lantern ring 23 positioned at the opening are fixedly provided with fixed base plates 24, two sides of the top end of each fixed base plate 24 are fixedly provided with fixed support rods 25, the top ends of the four fixed support rods 25 are fixedly provided with the same fixed base 26, and the fixed base 26 is fixedly arranged at the bottom end of the reaction inner barrel 12; a worm wheel 27 is arranged between the two fixed base plates 24, the worm wheel 27 is rotationally connected with the two fixed base plates 24 through a connecting rotating shaft 28 fixedly arranged at the axle center, the inner sides of the worm wheel 27 are meshed with each other, a fixed rack plate 29 is arranged on the inner sides of the worm wheel 27, and the fixed rack plate 29 is fixedly connected with the sliding lifting column 21; the top of worm wheel 27 cooperatees and is provided with worm 210, the one end rotation of worm 210 is provided with fixed sleeve 211, fixed sleeve 211 is through the connection branch 212 that both sides were equipped with respectively with two fixed branches 25 fixed connection, just the one end of worm 210 passes fixed sleeve 211 and fixedly is provided with driven bevel gear 213, driven bevel gear 213's one side meshing is provided with initiative bevel gear 214, the bottom mounting of reaction inner tube 12 inner chamber is provided with the servo motor 215 that drives initiative bevel gear 214.
The servo motor 215 works to drive the driving bevel gear 214 to rotate, the driving bevel gear 214 rotates to drive the driven bevel gear 213 to rotate, the driven bevel gear 213 rotates to drive the worm 210 to rotate, the worm 210 rotates to drive the worm wheel 27 to rotate, the worm wheel 27 rotates to drive the fixed rack plate 29 meshed with the worm wheel 27 to move upwards, and the fixed rack plate 29 moves to drive the sliding lifting column 21 to move upwards.
As shown in fig. 5 and 7, the quick-release connector 30 includes a rotating connecting column 31, the rotating connecting column 31 is rotatably disposed at the top end of the sliding lifting column 21, a connecting sleeve 32 is sleeved at the top of the rotating connecting column 31, the connecting sleeve 32 is fixedly disposed in the middle of the bottom end of the sliding scraper 15, and a plurality of inverted L-shaped limiting slots are equidistantly formed in the outer wall of the connecting sleeve 32 along the circumferential direction; the limiting clamping groove comprises a vertical upward sliding part 33 and a limiting part 34 perpendicular to the sliding part 33, a sliding inserted rod 35 is arranged in the limiting part 34 in a limiting way, one end of the sliding inserted rod 35 is fixedly connected with the rotary connecting column 31, and an elastic rubber sleeve 36 is sleeved outside the sliding inserted rod 35; the outside of rotation spliced pole 31 is fixed and is provided with gear reduction 37, one side of gear reduction 37 meshes mutually and is provided with drive gear 38, drive gear 38's bottom is provided with the driving motor 39 that drives it, the bottom mounting of driving motor 39 is provided with installation base 310, the outside at slip lifting post 21 is fixed to the installation base 310.
The upward movement of the sliding lifting column 21 can drive the rotating connecting column 31 and the connecting sleeve 32 to move upwards, the upward movement of the rotating connecting column 31 and the connecting sleeve 32 can push the sliding scraping plate 15 to move upwards until the inside of the sealing cylinder cover 14, the graphene film on the metal foil in the reaction inner cylinder 12 can be scraped through the sliding scraping plate 15, then the driving motor 39 works to drive the driving gear 38 to rotate, the driving gear 38 rotates to drive the reduction gear 37 to rotate, the reduction gear 37 rotates to drive the rotating connecting column 31 to rotate, the rotating connecting column 31 rotates to drive the sliding inserting rod 35 to rotate, the sliding inserting rod 35 rotates from the limiting part 34 to the sliding part 33, at the moment, the limit of the sliding inserting rod 35 on the vertical direction of the connecting sleeve 32 can be removed, then the servo motor 215 works again to drive the driving bevel gear 214 to reversely rotate to slide the sliding inserting rod 35 out of the sliding part 33, and the sliding scraping plate 15 can be rapidly detached from the sliding lifting assembly 20.
9-13, the hand wheel rotating assembly 40 comprises a rotating hand wheel 41 and a fixed rotating shaft 42 with an open bottom end, wherein the fixed rotating shaft 42 is fixedly connected with the half-frame scraping plate 16, and the top end of the fixed rotating shaft 42 rotates to pass through the sealing cylinder cover 14 and is fixedly connected with the rotating hand wheel 41; the bottom end of the rotary hand wheel 41 is provided with a plurality of fixed columns 43 which are hollow inside along the circumferential direction at equal intervals, a sliding block 44 is arranged in the fixed columns 43 in a sliding manner, a tension spring 45 is fixedly arranged at the top end of the sliding block 44, the top end of the tension spring 45 is fixedly connected with the inner wall of the fixed columns 43, the bottom end of the sliding block 44 is provided with a traction rope 46, and the bottom end of the traction rope 46 penetrates through the fixed columns 43 and is tied with a hook 47; the fixed rotating shaft 42 is rotationally provided with a screw rod 48, the top end of the screw rod 48 penetrates through the rotating hand wheel 41 to be fixedly provided with a rotating rod 49 for driving the screw rod 48, a pushing column 410 for pushing the sliding scraper 15 is sleeved on the bottom of the screw rod 48 in a matched threaded mode, a plurality of guide strips 411 are fixedly arranged on the outer wall of the pushing column 410 at equal intervals, and the guide strips 411 are matched and slidably arranged in guide grooves formed in the inner wall of the fixed rotating shaft 42.
Rotating the rotating hand wheel 41 drives the fixed rotating shaft 42 to rotate, the fixed rotating shaft 42 rotates to drive the half-frame scraping plate 16 to rotate, graphene films deposited in the sealing cylinder cover 14 can be scraped through the half-frame scraping plate 16, the half-frame scraping plate 16 rotates and drives the tight scraping block 17 to rotate, the top end of the bottom of the tight scraping block 17 can be used for scraping deposited graphene on the top end of the sliding scraping plate 15 to enable the tight scraping block 17 to abut against a metal foil on the top end of the sliding scraping plate 15, and therefore when the tight scraping block 17 rotates, the deposited graphene on the sliding scraping plate 15 can be scraped.
As shown in fig. 11-13, the elastic plug assembly 50 includes a fixed circular plate 51 and a sliding circular table 52, the fixed circular plate 51 is fixedly disposed outside the fixed rotating shaft 42, the sliding circular table 52 is located at the bottom of the fixed circular plate 51 and is slidably disposed outside the fixed rotating shaft 42 along the vertical direction, a pushing spring 53 is disposed at the top of the sliding circular table 52, the pushing spring 53 is sleeved outside the fixed rotating shaft 42, two ends of the pushing spring 53 are fixedly connected with the fixed circular plate 51 and the sliding circular table 52 respectively, a plurality of fixed guide posts 54 are disposed at the outer edge of the bottom end of the sliding circular table 52 at equal intervals along the circumferential direction, a plug block 55 is fixedly disposed at the bottom end of the guide posts 54, the plug block 55 is disposed corresponding to the plug groove 19 formed in the sealing cylinder cover 14, a plurality of fixing rods 56 are disposed at the outer edge of the top end of the sliding circular table 52 at equal intervals along the circumferential direction, a hanging ring 57 is fixedly disposed at the top end of the fixing rods 56, and the hanging ring 57 is disposed corresponding to the hanging ring 47.
The hanging hook 47 is connected with the hanging ring 57 in a hanging way, at the moment, the elastic tension of the plurality of stretching springs 45 is set to be larger than the pushing pressure of the pushing springs 53, the sliding round table 52 can be driven to move upwards, the sliding round table 52 moves upwards to drive the guide post 54 and the inserting block 55 to move upwards, at the moment, the inserting block 55 and the inserting groove 19 are in a separated state, and at the moment, the fixed rotating shaft 42 is driven to rotate by rotating the hand wheel 41;
when the hook 47 and the hanging ring 57 are separated, the sliding round table 52 can be pushed to move downwards by the pushing force of the pushing spring 53, at this time, the inserting block 55 moves downwards into the inserting groove 19, the fixed rotating shaft 42, the rotating hand wheel 41 and the sealing cylinder cover 14 can form a whole by matching the inserting blocks 55 with the inserting groove 19, at this time, the sealing cylinder cover 14 can rotate along with the rotating hand wheel 41 when the rotating hand wheel 41 is rotated, the sealing cylinder cover 14 and the reaction inner cylinder 12 can be separated and removed, then the rotating rod 49 drives the screw rod 48 to rotate, the screw rod 48 rotates to drive the pushing column 410 in threaded connection with the screw rod 48 to move downwards, the sliding scraping plate 15 can be pushed out of the sealing cylinder cover 14 by the pushing column 410, and at this time, the graphene accumulated in the collecting cavity 18 can be collected in a concentrated mode.
The invention also provides a graphene extraction method for preparing the raw material of the heat dissipation film, which comprises the following steps:
s1: the servo motor 215 works to drive the worm wheel 27 to rotate, the worm wheel 27 rotates to drive the fixed rack plate 29 to move upwards, the fixed rack plate 29 moves to drive the sliding lifting column 21 and the connecting sleeve 32 to move upwards, the sliding scraper 15 can be driven to move upwards until the sealing cylinder cover 14 is closed by pushing of the sliding lifting column 21 and the connecting sleeve 32, and graphene on a metal foil in the reaction inner cylinder 12 can be scraped by the sliding scraper 15;
s2: the fixed rotating shaft 42 is driven to rotate by rotating the rotating hand wheel 41, the fixed rotating shaft 42 rotates to drive the half-frame scraping plate 16 to rotate, and graphene on the metal foil on the sealing cylinder cover 14 and the sliding scraping plate 15 can be scraped through the cooperation of the half-frame scraping plate 16 and the abutting scraping block 17, so that the graphene is concentrated in the collecting cavity 18;
s3: the hook 47 is separated from the hanging ring 57, at this time, under the elastic action of the pushing spring 53, the plug-in block 55 can be pushed into the plug-in groove 19, the rotating hand wheel 41 and the sealing cylinder cover 14 can form a whole through the matching plug-in of the plug-in blocks 55 and the plug-in groove 19, at this time, the sealing cylinder cover 14 and the reaction inner cylinder 12 can be separated when the rotating hand wheel 41 is rotated, then the pushing column 410 is driven to move downwards by the rotating rod 49, the sliding scraping plate 15 is pushed out of the sealing cylinder cover 14 through the pushing column 410, and at this time, graphene accumulated in the collecting cavity 18 can be extracted and collected.
Working principle:
the servo motor 215 works to drive the worm wheel 27 to rotate, the worm wheel 27 rotates to drive the fixed rack plate 29 meshed with the worm wheel 27 to move upwards, the fixed rack plate 29 moves to drive the sliding lifting column 21 to move upwards, the sliding lifting column 21 moves upwards to drive the rotating connecting column 31 and the connecting sleeve 32 to move upwards, the sliding scraper 15 can be pushed to move upwards until the sealing cylinder cover 14 is reached through the upward movement of the rotating connecting column 31 and the connecting sleeve 32, and the graphene film on the metal foil in the reaction inner cylinder 12 can be scraped through the sliding scraper 15;
the driving motor 39 works to drive the rotation connecting column 31 to rotate, the rotation connecting column 31 rotates to drive the sliding inserted rod 35 to rotate, the sliding inserted rod 35 rotates from the limiting part 34 to the sliding part 33, the limiting of the sliding inserted rod 35 on the connecting sleeve 32 in the vertical direction can be removed, then the servo motor 215 works again to drive the driving bevel gear 214 to reversely rotate to slide the sliding inserted rod 35 out of the sliding part 33, and the sliding scraper 15 can be quickly detached from the sliding lifting assembly 20;
opening the sealing outer end cover 11, rotating the rotating hand wheel 41 to drive the fixed rotating shaft 42 to rotate, and enabling the fixed rotating shaft 42 to rotate to drive the half-frame scraping plate 16 to rotate, wherein graphene films deposited in the sealing cylinder cover 14 can be scraped through the half-frame scraping plate 16, and the half-frame scraping plate 16 can drive the abutting scraping block 17 to rotate while rotating, and the top end of the sliding scraping plate 15 can be scratched by the tip at the bottom of the abutting scraping block 17 to enable the abutting scraping block 17 to abut against a metal foil at the top end of the sliding scraping plate 15, so that when the abutting scraping block 17 rotates, graphene deposited on the sliding scraping plate 15 can be scraped;
then the hook 47 and the hanging ring 57 are separated, at this time, the inserting block 55 moves downwards into the inserting groove 19, the fixed rotating shaft 42, the rotating hand wheel 41 and the sealing cylinder cover 14 can form a whole through the matching of the inserting blocks 55 and the inserting groove 19, at this time, the sealing cylinder cover 14 can rotate along with the rotating hand wheel 41 when the rotating hand wheel 41 is rotated, the sealing cylinder cover 14 and the reaction inner cylinder 12 can be separated and removed, then the rotating rod 49 drives the screw rod 48 to rotate, the screw rod 48 rotates to drive the pushing column 410 in threaded connection with the screw rod to move downwards, the sliding scraping plate 15 can be pushed out to the outside of the sealing cylinder cover 14 through the pushing column 410, and at this time, graphene accumulated in the collecting cavity 18 can be collected in a concentrated mode.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The graphene extraction device for preparing the heat dissipation film raw material is characterized by comprising a reaction outer tank body (10), wherein a sealing outer end cover (11) is detachably arranged at the top end of the reaction outer tank body (10) through a fixing bolt, a reaction inner cylinder (12) is fixedly arranged in the reaction outer tank body (10), a thread groove (13) is formed in the top of the inner wall of the reaction inner cylinder (12), and a sealing cylinder cover (14) for sealing the reaction inner cylinder (12) is screwed in the thread groove (13) through internal threads;
the reaction inner cylinder (12) is internally provided with a sliding scraper (15) in an inverted cone shape in a matched sliding manner, the inner walls of the reaction inner cylinder (12) and the sealing cylinder cover (14) and the top end of the sliding scraper (15) are provided with metal foils, the bottom of the sliding scraper (15) is provided with a sliding lifting assembly (20) for pushing the position height of the sliding scraper, the top of the sliding lifting assembly (20) is rotatably provided with a quick-release connecting piece (30), and the quick-release connecting piece (30) is fixedly arranged in the middle of the bottom end of the sliding scraper (15);
a half-frame scraping plate (16) is arranged in the inner cavity of the sealing cylinder cover (14) and is attached to the inner wall of the sealing cylinder cover (14), a tightly-propped scraping block (17) in an inverted cone shape is fixedly arranged at the bottom end of the half-frame scraping plate (16), and a collecting cavity (18) is formed between the sliding scraping plate (15) and the sealing cylinder cover (14);
a hand wheel rotating assembly (40) for driving the half frame scraping plate (16) is arranged at the top of the sealing cylinder cover (14), an elastic plug-in assembly (50) connected with the sealing cylinder cover (14) is arranged outside the hand wheel rotating assembly (40), and a plug-in groove (19) corresponding to the elastic plug-in assembly (50) is formed in the top end of the sealing cylinder cover (14);
the sliding lifting assembly (20) comprises a sliding lifting column (21), the bottom of the sliding lifting column (21) sequentially slides through the reaction inner cylinder (12) and the reaction outer tank body (10) and is fixedly provided with a limiting baffle (22), and a sliding lantern ring (23) is sleeved outside the sliding lifting column (21) in a matched mode;
the sliding lantern ring (23) is positioned at the bottom of the reaction inner cylinder (12), an opening is formed in one side of the sliding lantern ring (23), two ends of the sliding lantern ring (23) positioned at the opening are fixedly provided with fixed base plates (24), two sides of the top end of each fixed base plate (24) are fixedly provided with fixed supporting rods (25), the top ends of the four fixed supporting rods (25) are fixedly provided with the same fixed base (26), and the fixed base (26) is fixedly arranged at the bottom end of the reaction inner cylinder (12);
a worm wheel (27) is arranged between the two fixed base plates (24), the worm wheel (27) is rotationally connected with the two fixed base plates (24) through a connecting rotating shaft (28) fixedly arranged at the axle center, the inner sides of the worm wheel (27) are meshed with each other, a fixed rack plate (29) is arranged, and the fixed rack plate (29) is fixedly connected with the sliding lifting column (21);
a worm (210) is arranged at the top of the worm wheel (27) in a matched mode, a fixed sleeve (211) is rotatably arranged at one end of the worm (210), the fixed sleeve (211) is fixedly connected with two fixed struts (25) through connecting struts (212) arranged at two sides of the fixed sleeve, a driven bevel gear (213) is fixedly arranged at one end of the worm (210) through the fixed sleeve (211), a driving bevel gear (214) is arranged at one side of the driven bevel gear (213) in a meshed mode, and a servo motor (215) for driving the driving bevel gear (214) is fixedly arranged at the bottom end of an inner cavity of the reaction inner cylinder (12);
the quick-release connecting piece (30) comprises a rotary connecting column (31), the rotary connecting column (31) is rotatably arranged at the top end of the sliding lifting column (21), a connecting sleeve (32) is sleeved at the top of the rotary connecting column (31), the connecting sleeve (32) is fixedly arranged in the middle of the bottom end of the sliding scraper (15), and a plurality of inverted L-shaped limiting clamping grooves are formed in the outer wall of the connecting sleeve (32) at equal intervals along the circumferential direction;
the limiting clamping groove comprises a vertical upwards sliding part (33) and a limiting part (34) perpendicular to the sliding part (33), a sliding inserted rod (35) is arranged in the limiting part (34) in a limiting mode, one end of the sliding inserted rod (35) is fixedly connected with the rotary connecting column (31), and an elastic rubber sleeve (36) is sleeved outside the sliding inserted rod (35).
2. The graphene extraction device for preparing the heat dissipation film raw material according to claim 1, wherein a reduction gear (37) is fixedly arranged outside the rotary connecting column (31), one side of the reduction gear (37) is provided with a driving gear (38) in a meshed manner, the bottom of the driving gear (38) is provided with a driving motor (39) for driving the reduction gear, the bottom end of the driving motor (39) is fixedly provided with a mounting base (310), and the mounting base (310) is fixedly arranged outside the sliding lifting column (21).
3. The graphene extraction device for preparing a heat dissipation film raw material according to claim 1, wherein the hand wheel rotating assembly (40) comprises a rotating hand wheel (41) and a fixed rotating shaft (42) with an open bottom end, the fixed rotating shaft (42) is fixedly connected with the half-frame scraping plate (16), and the top end of the fixed rotating shaft (42) rotates to pass through the sealing cylinder cover (14) and is fixedly connected with the rotating hand wheel (41);
the bottom of rotation hand wheel (41) is provided with a plurality of inside hollow fixed cylinder (43) along circumferencial direction equidistance, it is provided with sliding block (44) to slide in fixed cylinder (43), the fixed extension spring (45) that is provided with in top of sliding block (44), the top and the inner wall fixed connection of fixed cylinder (43) of extension spring (45), the bottom of sliding block (44) is provided with haulage rope (46), the bottom of haulage rope (46) is passed fixed cylinder (43) and is tied and have couple (47).
4. A graphene extraction device for preparing a heat dissipation film raw material according to claim 3, characterized in that a screw rod (48) is rotationally arranged in the fixed rotating shaft (42), a rotating rod (49) for driving the screw rod (48) is fixedly arranged at the top end of the screw rod (48) through a rotating hand wheel (41), a pushing column (410) for pushing the sliding scraper (15) is sleeved on the bottom of the screw rod (48) in a matched threaded manner, a plurality of guide strips (411) are fixedly arranged on the outer wall of the pushing column (410) at equal intervals, and the guide strips (411) are matched and slidably arranged in guide grooves formed in the inner wall of the fixed rotating shaft (42).
5. The graphene extraction device for preparing a heat dissipation film raw material according to claim 3, wherein the elastic plug-in assembly (50) comprises a fixed circular plate (51) and a sliding circular table (52), the fixed circular plate (51) is fixedly arranged outside the fixed rotating shaft (42), the sliding circular table (52) is located at the bottom of the fixed circular plate (51) and is arranged outside the fixed rotating shaft (42) in a matched sliding manner along the vertical direction, a pushing spring (53) is arranged at the top of the sliding circular table (52), the pushing spring (53) is sleeved outside the fixed rotating shaft (42), and two ends of the pushing spring (53) are fixedly connected with the fixed circular plate (51) and the sliding circular table (52) respectively.
6. The graphene extraction device for preparing the heat dissipation film raw material according to claim 5, wherein a plurality of fixing guide posts (54) are equidistantly arranged at the outer edge of the bottom end of the sliding circular table (52) along the circumferential direction, an inserting block (55) is fixedly arranged at the bottom end of the guide post (54), the inserting block (55) is correspondingly arranged with an inserting groove (19) formed in the sealing cylinder cover (14), a plurality of fixing rods (56) are equidistantly arranged at the outer edge of the top end of the sliding circular table (52) along the circumferential direction, hanging rings (57) are fixedly arranged at the top ends of the fixing rods (56), and the hanging rings (57) are correspondingly arranged with the hanging hooks (47).
7. A graphene extraction method for preparing a heat dissipation film raw material according to any one of claims 1 to 6, characterized by comprising the steps of:
s1: the servo motor (215) works to drive the worm wheel (27) to rotate, the worm wheel (27) rotates to drive the fixed rack plate (29) to move upwards, the fixed rack plate (29) moves to drive the sliding lifting column (21) and the connecting sleeve (32) to move upwards, the sliding scraping plate (15) can be driven to move upwards until the sealing cylinder cover (14) is pushed by the sliding lifting column (21) and the connecting sleeve (32), and graphene on a metal foil in the reaction inner cylinder (12) can be scraped by the sliding scraping plate (15);
s2: the fixed rotating shaft (42) is driven to rotate through the rotating hand wheel (41), the fixed rotating shaft (42) rotates to drive the half-frame scraping plate (16) to rotate, and graphene on the metal foil on the sealing cylinder cover (14) and the sliding scraping plate (15) can be scraped through the cooperation of the half-frame scraping plate (16) and the abutting scraping block (17), so that the graphene is concentrated in the collecting chamber (18);
s3: the hook (47) is separated from the hanging ring (57), at the moment, under the elastic action of the pushing spring (53), the inserting blocks (55) can be pushed into the inserting grooves (19), the rotating hand wheel (41) and the sealing cylinder cover (14) can form a whole through the matching and inserting of the inserting blocks (55) and the inserting grooves (19), at the moment, the sealing cylinder cover (14) and the reaction inner cylinder (12) can be separated when the rotating hand wheel (41) is rotated, then the pushing column (410) is driven to move downwards by the rotating rod (49), the sliding scraping plate (15) is pushed out to the outside of the sealing cylinder cover (14) through the pushing column (410), and at the moment, graphene accumulated in the collecting cavity (18) can be extracted and collected.
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| CN114292630A (en) * | 2022-01-13 | 2022-04-08 | 赵善华 | Graphene carbon nanotube heat conduction slurry and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11946704B2 (en) * | 2019-09-03 | 2024-04-02 | Global Graphene Group, Inc. | Graphene-based elastic heat spreader films |
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| FR1265061A (en) * | 1960-08-13 | 1961-06-23 | Svenska Flaektfabriken Ab | Device for collecting and removing powdered or granular materials |
| CN206901775U (en) * | 2017-07-06 | 2018-01-19 | 齐齐哈尔大学 | A kind of grapheme material synthesizer |
| CN110171818A (en) * | 2019-06-05 | 2019-08-27 | 平凉市佳禾农产品加工有限责任公司 | The extracting method of graphene in a kind of corn stover |
| CN114292630A (en) * | 2022-01-13 | 2022-04-08 | 赵善华 | Graphene carbon nanotube heat conduction slurry and preparation method thereof |
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