CN113720117B - Drying process of graphene particles - Google Patents
Drying process of graphene particles Download PDFInfo
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- CN113720117B CN113720117B CN202111047276.1A CN202111047276A CN113720117B CN 113720117 B CN113720117 B CN 113720117B CN 202111047276 A CN202111047276 A CN 202111047276A CN 113720117 B CN113720117 B CN 113720117B
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- 238000001035 drying Methods 0.000 title claims abstract description 149
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 72
- 239000002245 particle Substances 0.000 title claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 106
- 238000012216 screening Methods 0.000 claims abstract description 106
- 239000000463 material Substances 0.000 claims abstract description 39
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 23
- 239000010439 graphite Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 42
- 238000007790 scraping Methods 0.000 claims description 37
- 239000000428 dust Substances 0.000 claims description 17
- 238000007599 discharging Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 5
- -1 graphite alkene Chemical class 0.000 abstract description 20
- 239000008187 granular material Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 3
- 230000018044 dehydration Effects 0.000 abstract description 2
- 238000006297 dehydration reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
- F26B9/08—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements
- F26B9/082—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers including agitating devices, e.g. pneumatic recirculation arrangements mechanically agitating or recirculating the material being dried
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
- B07B1/30—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro within their own plane in or approximately in or transverse to the direction of conveyance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/56—Heated screens
- B07B1/62—Heated screens heated by direct electric heating
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/001—Handling, e.g. loading or unloading arrangements
- F26B25/002—Handling, e.g. loading or unloading arrangements for bulk goods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Inorganic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a drying process of graphene particles, which specifically comprises the following steps: s1, pouring graphene particles to be processed into a heating screening disc, classifying the graphene particles according to sizes through a screening, material taking and drying device, and heating and drying the graphene through heating equipment; s2, taking out the two heating screening discs through automatic material taking equipment, and the invention relates to the technical field of graphene drying. This drying process of graphite alkene granule through the setting of screening feeding agencies, has realized screening the layering heating to the graphite alkene granule of equidimension not in the mixed graphite alkene granule to avoided the graphite alkene granule of equidimension not to need the problem of different dry heating time, not only made graphite alkene granule dehydration effect better, avoided the extravagant energy moreover, reduced manufacturing cost, realized moreover that automatic flexible takes out the function of heating screening dish.
Description
Technical Field
The invention relates to the technical field of graphene drying, in particular to a drying process of graphene particles.
Background
The graphene has excellent optical, electrical and mechanical properties, has important application prospects in the aspects of materials science, micro-nano processing, energy, biomedicine, drug delivery and the like, and is considered to be a revolutionary material in the future.
Refer to chinese patent publication No. CN108224998a for a special drying machine for graphene particles, which comprises a vibration drying machine and a belt drying machine, wherein a discharge port of the vibration drying machine is connected with a feed port of the belt drying machine, the vibration drying machine is connected with an air inlet pipe and an air outlet pipe, and the air inlet pipe is provided with a first steam radiator; the belt dryer 2 is internally and fixedly provided with a plurality of second steam radiators and circulating fans, and each circulating fan is positioned above the second steam radiator.
Referring to a drying device for graphene with Chinese patent publication No. CN211084659U, the drying device comprises a drying chamber, wherein the upper end of the drying chamber is a heating zone and consists of a plurality of layers of partition plates, and the partition plates are connected with thermocouple wiring terminals and an electric heater; the lower end of the drying chamber is a refrigerating area and consists of a cold trap, and the cold trap is connected with a compressor and a condenser; one side of the drying chamber is also connected with a rotary vane pump.
A comprehensive analysis of the above referenced patents can yield the following drawbacks:
1) When the existing graphene particle drying device is used for heating and drying graphene particles, the sizes of the graphene particles are not distinguished, for example, refer to a graphene drying device of patent CN211084659U and a graphene drying device of patent CN211084659U, the sizes of the graphene particles are not distinguished by the two devices, so that the smaller particles in the mixed graphene particles are dehydrated and dried more quickly, the larger particles are dehydrated and dried more slowly, if the drying time is too short, the larger graphene particles are dehydrated insufficiently, and if the drying time is too long, the energy waste is caused, and the drying cost is increased.
2) The easy moist graphite alkene dust of adhesion of inner wall of current drying chamber, these dust adhesions are inconvenient clean at the drying chamber inner wall, the waste of partial graphite alkene has also been made, graphite alkene granule can unify after the drying is accomplished and go on the ejection of compact in addition, and the discharging pipe is plugged up very easily when concentrating the ejection of compact, current logical stifled means generally is that the use tool is poked inside the discharging pipe and is smash, this kind of mode is inefficiency not only, and waste time and energy, the efficiency of the ejection of compact has been reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a graphene particle drying process, which solves the problems that when the graphene particles are heated and dried by the existing graphene particle drying device, the sizes of the graphene particles are not distinguished, so that the drying time of the graphene particles with different sizes is not uniform, and discharge pipes are easy to block during centralized discharge.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a drying process of graphene particles specifically comprises the following steps:
s1, firstly, pouring graphene particles to be treated into a heating screening disc, classifying the graphene particles according to sizes through a screening, taking and drying device, and heating and drying the graphene through heating equipment;
s2, taking out the two heating screening disks through automatic material taking equipment, further detaching the heating screening disks and taking out the dried graphite particles;
s3, starting the scraping equipment to scrape the graphene dust adhered to the inner wall of the tank to the lower part of the inner wall of the tank and collect the graphene particles together, and when blockage occurs, the blockage is conducted through the blockage passing equipment, so that the graphene particles in the tank are finally discharged together with the graphene dust.
The screening, material taking and drying device in the step S1 comprises a drying tank and a tank cover rotatably connected to the top of the drying tank, wherein an exhaust fan is arranged at the bottom of the left side of the drying tank, an air inlet pipe is communicated with an air inlet pipe of the exhaust fan, an air outlet pipe is communicated with the bottom of the right side of the drying tank, a heating controller is installed at the top of the left side of the drying tank, a motor control master switch is installed at the front side of the drying tank, two through grooves are formed in the right side of the drying tank, opening and closing mechanisms are arranged on the right sides of the two through grooves, two material placing plates are fixedly connected to the right side of the drying tank and below the two through grooves, a discharging pipe is communicated with the bottom of the drying tank, a valve is arranged inside the discharging pipe, a platform is fixedly connected to the bottom of the right side of the drying tank, a fixed box is fixedly connected to the top of the platform, a screening and material taking mechanism is arranged on the right side of the drying tank, a material scraping mechanism is arranged inside the drying tank, and a blocking mechanism is arranged below the inside of the drying tank;
the screening and taking mechanism comprises two first motors fixed inside a fixed box through a fixed plate, the output ends of the two first motors are fixedly connected with first rotating rods, the top ends of the two first rotating rods are rotatably connected with second rotating rods through rotating pins, one ends of the two second rotating rods are rotatably connected with hydraulic telescopic rods through rotating pins, the left side of the fixed box is provided with a hydraulic control system, the left ends of the two hydraulic telescopic rods penetrate through the fixed box and the through grooves and extend into the drying tank, the outer surfaces of the two hydraulic telescopic rods are slidably connected with the inner surface of the fixed box, the right side of the top of the material placing plate is fixedly connected with a lantern ring, the piston ends of the two hydraulic telescopic rods penetrate through the lantern ring and extend to the outside of the lantern ring, the outer surfaces of the piston ends of the two hydraulic telescopic rods are slidably connected with the inner surface of the lantern ring, the left end of the top hydraulic telescopic rod is movably connected with a first heating screening disc, the surface of the first heating screening disc penetrates through a first sieve mesh, the left end of the bottom of the hydraulic telescopic rod is movably connected with a second heating screening disc, the surface of the second heating screening disc, the sieve mesh penetrates through the inner wall of the first heating screening disc, the inner wall of the drying screening disc and the drying tank are connected with a second heating screening module, and a second heating screening disc, and a second heating screening module are connected with a disassembling mechanism;
disassembly body is including seting up at the circular slot on first heating screening dish and second heating screening dish right side, two hydraulic telescoping rod's left end all runs through the circular slot and extends to the inside of circular slot, two the draw-in groove has all been seted up to the front and back side of hydraulic telescoping rod piston end, the equal fixedly connected with in front and back on first heating screening dish and second heating screening dish right side violently manages, two violently the equal sliding connection in one side that the pipe was kept away from mutually has a gag lever post, two the looks remote site of gag lever post all runs through violently the pipe and extends to the inside of draw-in groove, two the surface of gag lever post all with the internal surface joint of draw-in groove, two the surface of gag lever post just is located the equal fixedly connected with plectane in inside of violently managing, two the surface of plectane all with the internal surface sliding connection of violently managing, two the surface of gag lever post all overlaps and is equipped with first spring, two the looks remote site of first spring all with one side fixed connection of plectane, two the one end that first spring kept away from mutually all is connected with the internal surface fixed connection of violently managing.
Preferably, the mechanism that opens and shuts is including seting up on the drying cabinet right side and being located two curved grooves that lead to groove top and bottom, the equal sliding connection in front and back on drying cabinet right side has the arc board, two the equal sliding connection in right side of arc board has the handle, two connecting blocks of left side fixedly connected with of arc board, two the left end of connecting block all runs through curved groove and extends to the inside in curved groove, two the surface of connecting block all with the internal surface sliding connection in curved groove.
Preferably, the front side the top of arc board is rotated and is connected with the commentaries on classics board, the top of commentaries on classics board is run through and has been seted up the spout, the rear side the top of arc board is seted up flutedly, the internal surface sliding connection of recess has the montant, the top of montant is run through the spout and is extended to the top of spout, the surface of montant and the internal surface sliding connection of spout, the rear side of montant just is located the inside fixedly connected with connecting pipe of recess.
Preferably, the internal surface sliding connection of connecting pipe has the connecting rod, the rear end of connecting rod runs through the connecting pipe and extends to the outside of connecting pipe, the rear end of connecting rod and the inner wall fixed connection of recess, the surface cover of connecting rod is equipped with the second spring, the front end of second spring and the rear end fixed connection of connecting pipe, the rear end of second spring and the inner wall fixed connection of recess.
Preferably, including the flitch of scraping of sliding connection at the drying cabinet inner wall in the scraping mechanism, the front side fixedly connected with machine case of drying cabinet bottom, the inside fixedly connected with second motor of machine case, the front side rotation of drying cabinet inner wall bottom is connected with the lead screw, the bottom of lead screw runs through drying cabinet and machine case and extends to the inside of machine case, the output of second motor passes through the bottom fixed connection of shaft coupling and lead screw.
Preferably, the top end of the screw rod penetrates through the scraping plate and extends to the top of the scraping plate, the outer surface of the screw rod is in threaded connection with the inner surface of the scraping plate, a fixing rod is fixedly connected to the rear side of the bottom of the inner wall of the drying tank, the top end of the fixing rod penetrates through the scraping plate and extends to the top of the scraping plate, and the outer surface of the fixing rod is in sliding connection with the inner surface of the scraping plate.
Preferably, lead to including the horizontal pole of fixed connection in drying cylinder inner wall bottom rear side in stifled mechanism, the front end fixedly connected with rod cover of horizontal pole, the top sliding connection of rod cover has the movable rod, the bottom of movable rod runs through the rod cover and extends to the outside of rod cover.
Preferably, the bottom fixedly connected with of movable rod leads to the sprue, the bottom that leads to the sprue runs through the discharging pipe and extends to the inside of discharging pipe, the right side fixedly connected with connecting plate of drying cabinet inner wall bottom, the front side rotation of connecting plate is connected with the carousel, the rear side fixedly connected with third motor of connecting plate, the output of third motor runs through the connecting plate and extends to the front side of connecting plate.
Preferably, the output end of the third motor is fixedly connected with the rear side of the turntable, the right side in front of the connecting plate is rotatably connected with the connecting rod, the front side of the turntable is fixedly connected with a fixing column, an adaptive groove is formed in the front side of the connecting rod in a penetrating mode, the outer surface of the fixing column is connected with the inner surface of the adaptive groove in a sliding mode, and the left end of the connecting rod is rotatably connected with the front side of the movable rod.
Preferably, two the connecting block all with the size looks adaptation of curved groove, first heating screening dish and second heating screening dish all with the size looks adaptation that leads to the groove.
(III) advantageous effects
The invention provides a drying process of graphene particles. Compared with the prior art, the method has the following beneficial effects:
(1) This drying process of graphite alkene granule, through starting two first motors, make first motor drive first bull stick and second bull stick rotation, simultaneously the second bull stick drives hydraulic telescoping rod and first heating screening dish and second heating screening dish and rocks the screening, bigger graphite alkene granule after the screening is stayed in first heating screening dish, less graphite alkene granule falls to second heating screening dish inside through first sieve mesh screening, some tiny graphite alkene granule and dust fall to the bottom of drying tank inner wall through the screening of second sieve mesh, through promoting the montant forward, make the montant slide along the internal surface of spout, further rotate rotor board to vertical state, further slide out two arc boards, make two connecting blocks on the arc board slide along the internal surface of curved groove, shrink through hydraulic control system control hydraulic telescoping rod, further make first heating screening dish and second heating screening dish through leading to the groove, further make two gag lever post-slide out draw-in the draw-in groove, realize that hydraulic pressure and the separation of first heating screening dish and second heating screening dish place and second heating screening dish and the heating screening dish through leading to the groove right, further spur two gag lever post-off, the problem that the graphene granule that the drying mechanism can take out the drying is put the heating screening to the drying particle through the heating screening to the heating screening, the waste has not only has been realized taking out the waste of the different energy of drying particle size, thereby the problem of taking out the waste is avoided the graphene granule.
(2) This drying process of graphite alkene granule, through starting the second motor, make the second motor drive the lead screw and rotate, the lead screw drives scrapes the flitch and slides downwards along the inner wall and the dead lever of drying cabinet simultaneously, further make and scrape the graphite alkene dust of flitch to the drying cabinet inner wall adhesion clear up, finally make the graphite alkene dust be scraped the bottom of collecting the drying cabinet inner wall and mix with the tiny granule of graphite alkene and be in the same place, setting through scraping the material mechanism, realized that automatic moist graphite alkene dust to the drying cabinet inner wall adhesion clears up, the convenience is cleaned the drying cabinet inner wall, waste partial graphite alkene material has also been avoided simultaneously.
(3) This drying process of graphite alkene granule, through starting the third motor, make the third motor drive the carousel and rotate, the carousel drives the fixed column rotation simultaneously, the fixed column drives connecting rod up-and-down motion along the gliding while of adaptation groove simultaneously, the connecting rod drives the movable rod and slides from top to bottom along the internal surface of rod cover simultaneously, the movable rod drives simultaneously and leads to the internal surface up-and-down motion of sprue along the discharging pipe and carries out to lead to stifled, through the setting that leads to stifled mechanism, realized leading to stifled function to the automation of discharging pipe inside, avoided carrying out artifical manual work and lead to stifled, the efficiency of the ejection of compact has been promoted greatly, the practicality is very strong.
Drawings
FIG. 1 is a perspective view of the external structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 4 is a cross-sectional view of a dryer can of the present invention;
FIG. 5 is a perspective view of a portion of the present invention;
FIG. 6 is an enlarged view of a portion of the present invention at B of FIG. 5;
FIG. 7 is a cross sectional view of the cross tube of the present invention;
FIG. 8 is a perspective view of the scraping mechanism of the present invention;
FIG. 9 is a perspective view of the plugging mechanism of the present invention;
fig. 10 is a perspective view of an arc plate of the present invention.
In the figure: 1-drying tank, 2-tank cover, 3-exhaust fan, 4-air inlet pipe, 5-air outlet pipe, 6-heating controller, 7-motor control master switch, 8-through groove, 9-opening and closing mechanism, 10-material placing plate, 11-material discharging pipe, 12-valve, 13-platform, 14-fixed box, 15-screening and material taking mechanism, 16-material scraping mechanism, 17-blocking mechanism, 151-fixed plate, 152-first motor, 153-first rotating rod, 154-second rotating rod, 155-hydraulic telescopic rod, 156-hydraulic control system, 157-lantern ring, 158-first heating screening disk, 159-first screen hole, 1510-second heating screening disk, 1511-second screen hole 1512-power control module, 1513-disassembly mechanism, 1513-1-circular groove, 1513-2-clamping groove, 1513-3-horizontal pipe, 1513-4-limiting rod, 1513-5-circular plate, 1513-6-first spring, 91-curved groove, 92-arc plate, 93-handle, 94-connecting block, 95-rotating plate, 96-sliding groove, 97-groove, 98-vertical rod, 99-connecting pipe, 910-connecting rod, 911-second spring, 161-scraping plate, 162-case, 163-second motor, 164-screw rod, 165-fixing rod, 171-cross rod, 172-rod sleeve, 173-movable rod, 174-through block, 175-connecting plate, 176-rotary disc, 177-third motor, 178-connecting rod, 179-fixing column, 1710-adapting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: a drying process of graphene particles specifically comprises the following steps:
s1, pouring graphene particles to be processed into a heating screening disc, classifying the graphene particles according to sizes through a screening, material taking and drying device, and heating and drying the graphene through heating equipment;
s2, taking out the two heating screening disks through automatic material taking equipment, further detaching the heating screening disks and taking out the dried graphite particles;
s3, starting the scraping equipment to scrape the graphene dust adhered to the inner wall of the tank to the lower part inside the tank and collect the fine graphene particles together, and when the blockage occurs, the blockage is passed through by the blockage passing equipment, so that the fine graphene particles inside the tank are discharged together with the graphene dust.
Wherein, the screening, material taking and drying device in the step S1 comprises a drying tank 1 and a tank cover 2 which is rotatably connected with the top of the drying tank 1, the bottom of the left side of the drying tank 1 is provided with an exhaust fan 3, the exhaust fan 3 is controlled by a motor control master switch 7 and is electrically connected with an external power supply, an air outlet of the exhaust fan 3 is communicated with the drying tank 1, the exhaust fan 3 adopts a YG75 type exhaust fan, an air inlet of the exhaust fan 3 is communicated with an air inlet pipe 4, the bottom of the right side of the drying tank 1 is communicated with an air outlet pipe 5, the air outlet pipe 5 can discharge moisture, the top of the left side of the drying tank 1 is provided with a heating controller 6, the heating controller 6 can control a first heating screening disc 158, a second heating screening disc 1510 and heating wires arranged at the bottom of the inner wall of the drying tank 1 to heat, and meanwhile, the heating controller 6 and a power control module 1512 realize signal transmission through a wireless signal receiver, the front side of the drying tank 1 is provided with a motor control main switch 7, the motor control main switch 7 controls a first motor 152, a second motor 163 and a third motor 177 through a wireless signal receiver, the first motor 152, the second motor 163 and the third motor 177 are all servo motors, the model is Y160L-2, the interior of the motor control main switch is provided with the wireless signal receiver and an instruction controller, the wireless signal receiver can receive external wireless signals, the wireless signal receiver transmits the wireless signals to the instruction controller, the instruction controller starts and closes the three motors, the right side of the drying tank 1 is provided with two through grooves 8, the right sides of the two through grooves 8 are respectively provided with an opening and closing mechanism 9, the right side of the drying tank 1 is fixedly connected with two material placing plates 10 below the two through grooves 8, the bottom of the drying tank 1 is communicated with a material discharging pipe 11, the interior of the material discharging pipe 11 is provided with a valve 12, the bottom of the right side of the drying tank 1 is fixedly connected with a platform 13, the top of the platform 13 is fixedly connected with a fixed box 14, the right side of the drying tank 1 is provided with a screening and taking mechanism 15, the inside of the drying tank 1 is provided with a scraping mechanism 16, and the lower part of the inside of the drying tank 1 is provided with a blocking mechanism 17;
as shown in fig. 1-7, in the embodiment of the present invention, the screening and reclaiming mechanism 15 includes two first motors 152 fixed inside the fixed box 14 through a fixing plate 151, output ends of the two first motors 152 are both fixedly connected with first rotating rods 153, top ends of the two first rotating rods 153 are both rotatably connected with second rotating rods 154 through rotating pins, one ends of the two second rotating rods 154 are both rotatably connected with hydraulic telescopic rods 155 through rotating pins, the hydraulic telescopic rods 155 are 5363 zxft 53300 type hydraulic telescopic rods, a hydraulic control system 156 is disposed on a left side of the fixed box 14, the hydraulic control system 156 is electrically connected with an external power supply, the hydraulic control system 156 can control discharge and intake of hydraulic oil, thereby driving the hydraulic telescopic rods 155 to extend and retract, when the hydraulic control system 156 does not work, the hydraulic telescopic rods 155 do not have an extending and retracting function, left ends of the two hydraulic telescopic rods 155 both penetrate through the fixed box 14 and the through groove 8 and extend to the inside the drying tank 1, the outer surfaces of the two hydraulic telescopic rods 155 are slidably connected with the inner surface of the fixed box 14, the right sides of the tops of the two material placing plates 10 are fixedly connected with a lantern ring 157, the piston ends of the two hydraulic telescopic rods 155 penetrate through the lantern ring 157 and extend to the outside of the lantern ring 157, the outer surfaces of the piston ends of the two hydraulic telescopic rods 155 are slidably connected with the inner surface of the lantern ring 157, the left end of the top hydraulic telescopic rod 155 is movably connected with a first heating screening disc 158, the surface of the first heating screening disc 158 is penetrated and provided with a first sieve hole 159, the left end of the bottom hydraulic telescopic rod 155 is movably connected with a second heating screening disc 1510, the surface of the second heating screening disc 1510 is penetrated and provided with a second sieve hole 1511, the diameter of the first sieve hole 159 is larger than that of the second sieve hole 1511, the front sides of the first heating screening disc 158 and the second heating screening disc 1510 and the bottom of the inner wall of the drying tank 1 are fixedly connected with a power control module 1512, the power control module 1512 is the prior art and can realize the control of heating power, and the disassembling mechanisms 1513 are respectively arranged between the first heating screening disk 158 and the second heating screening disk 1510 and the hydraulic telescopic rod 155;
as shown in fig. 5, 6 and 7, in the embodiment of the present invention, the detaching mechanism 1513 includes a circular groove 1513-1 opened on the right side of the first heating screening disk 158 and the second heating screening disk 1510, the left ends of the two hydraulic telescopic rods 155 both penetrate through the circular groove 1513-1 and extend to the inside of the circular groove 1513-1, the front and rear sides of the piston ends of the two hydraulic telescopic rods 155 are both opened with a slot 1513-2, the front and rear sides of the right sides of the first heating screening disk 158 and the second heating screening disk 1510 are both fixedly connected with a horizontal pipe 1513-3, the side of the two horizontal pipes 1513-3 far away from each other is both slidably connected with a stopper 1513-4, the opposite ends of the two stopper 1513-4 both penetrate through the horizontal pipe 1513-3 and extend to the inside of the slot 1513-2, the outer surfaces of the two stopper 1513-4 are both engaged with the inner surface of the slot 1513-2, the outer surfaces of the two stopper 1513-4 and the inside of the horizontal pipe 3-3 are both fixedly connected with the circular plate 1513-5, the outer surface of the two stopper 1513-5 is connected with the inner surface of the spring 1513-3, the side of the spring fixed on the side of the first spring 1513-3, and the spring fixed on the opposite ends of the spring 1513-6.
As shown in fig. 2 and 3, in the embodiment of the present invention, the opening and closing mechanism 9 includes two curved grooves 91 opened on the right side of the drying tank 1 and located at the top and the bottom of the through groove 8, the front and rear sides of the right side of the drying tank 1 are both slidably connected with the arc plates 92, the right sides of the two arc plates 92 are both slidably connected with the handle 93, the left sides of the two arc plates 92 are fixedly connected with two connecting blocks 94, the left ends of the two connecting blocks both penetrate through the curved grooves 91 and extend into the curved grooves 91, the outer surfaces of the two connecting blocks 94 are both slidably connected with the inner surfaces of the curved grooves 91, the top of the front arc plate 92 is rotatably connected with the rotating plate 95, the top of the rotating plate 95 is penetrated with the sliding groove 96, the top of the rear arc plate 92 is opened with a groove 97, the inner surface of the groove 97 is slidably connected with the vertical rod 98, the top of the vertical rod 98 penetrates through the sliding groove 96 and extends to the top of the sliding groove 96, the outer surface of the vertical rod 98 is slidably connected with the inner surface of the sliding groove 96, the rear side of the vertical rod 98 is fixedly connected with a connecting pipe 99 located inside of the groove 97, the connecting pipe 99, the inner surface of the connecting pipe 99 is fixedly connected with the connecting pipe 910, the inner wall of the connecting pipe 910, the inner wall of the connecting pipe 910 is fixedly connected with the second spring 97, and the spring of the spring 910, and the spring 910, and the spring 911 is sleeved on the inner wall of the connecting pipe 910.
As shown in fig. 4 and 8, in the embodiment of the present invention, the scraping mechanism 16 includes a scraping plate 161 slidably connected to the inner wall of the drying cylinder 1, a slot is formed in the right side of the scraping plate 161 to facilitate the passage of the hydraulic telescopic rod, a chassis 162 is fixedly connected to the front side of the bottom of the drying cylinder 1, a second motor 163 is fixedly connected to the inside of the chassis 162, a lead screw 164 is rotatably connected to the front side of the bottom of the inner wall of the drying cylinder 1, the bottom end of the lead screw 164 penetrates through the drying cylinder 1 and the chassis 162 and extends to the inside of the chassis 162, the output end of the second motor 163 is fixedly connected to the bottom end of the lead screw 164 through a coupling, the top end of the lead screw 164 penetrates through the scraping plate 161 and extends to the top of the scraping plate 161, the outer surface of the lead screw 164 is in threaded connection with the inner surface of the scraping plate 161, a fixing rod 165 is fixedly connected to the rear side of the bottom of the inner wall of the drying cylinder 1, the top end of the fixing rod 165 penetrates through the scraping plate 161 and extends to the top of the scraping plate 161, and the outer surface of the fixing rod 165 is slidably connected to the inner surface of the scraping plate 161.
As shown in fig. 4 and 9, in the embodiment of the present invention, the blocking mechanism 17 includes a cross bar 171 fixedly connected to the rear side of the bottom of the inner wall of the drying tank 1, a bar sleeve 172 is fixedly connected to the front end of the cross bar 171, a movable bar 173 is slidably connected to the top of the bar sleeve 172, the bottom end of the movable bar 173 penetrates the bar sleeve 172 and extends to the outside of the bar sleeve 172, a blocking block 174 is fixedly connected to the bottom end of the movable bar 173, the bottom of the blocking block 174 penetrates the discharge pipe 11 and extends to the inside of the discharge pipe 11, a connecting plate 175 is fixedly connected to the right side of the bottom of the inner wall of the drying tank 1, a rotary disc 176 is rotatably connected to the front side of the connecting plate 175, a third motor 177 is fixedly connected to the rear side of the connecting plate 175, an output end of the third motor 177 penetrates the connecting plate 175 and extends to the front side of the connecting plate 175, an output end of the third motor 177 is fixedly connected to the rear side of the rotary disc 176, a connecting rod 178 is rotatably connected to the right side of the front side of the connecting plate 175, a fixed column 179 is fixedly connected to the front side of the connecting plate 178, an adaptive groove 1710, an outer surface of a fixed column 179 is slidably connected to the inner surface of the adaptive groove 179, and a second rotary disc 94 is adaptive to a heating disc 158, and a size of a second heating disc.
And those not described in detail in this specification are well within the skill of those in the art.
During operation, firstly, the tank cover 2 is opened to pour the graphene particles to be processed into the first heating screening disc 158, the two first motors 152 are further started, so that the first motors 152 drive the first rotating rods 153 and the second rotating rods 154 to rotate, meanwhile, the second rotating rods 154 drive the hydraulic telescopic rods 155 and the first heating screening disc 153 and the second heating screening disc 1510 to perform shaking screening, the screened larger graphene particles are remained in the first heating screening disc 158, the smaller graphene particles are screened and fall into the second heating screening disc 1510 through the first screen holes 159, some small graphene particles and dust are screened and fall to the bottom of the inner wall of the drying tank 1 through the second screen holes 1511, the vertical rods 98 are pushed forwards to slide along the inner surface of the sliding grooves 96, the rotating plates 95 are further rotated to be in a vertical state, the two arc plates 92 are further slid open, two connecting blocks 94 on the arc plate 92 slide along the inner surface of the curved groove 91, the hydraulic control system 156 controls the hydraulic telescopic rod 155 to contract, the first heating screening disc 158 and the second heating screening disc 1510 slide out rightwards through the through groove 8, the two limiting rods 1513-4 are further pulled, the two limiting rods 1513-4 slide out of the clamping grooves 1513-2, the separation of the hydraulic telescopic rod 155 from the first heating screening disc 158 and the second heating screening disc 1510 is realized, the first heating screening disc 158 and the second heating screening disc 1510 are further placed on the material placing plate 10, graphene particles can be taken out after cooling, the screening and layered heating of graphene particles with different sizes in mixed graphene particles is realized through the arrangement of the screening and taking mechanism 15, the problem that the graphene particles with different sizes need different drying and heating times is avoided, and the dehydration effect of the graphene particles is better, and avoids wasting energy, reduces production cost, and realizes the function of automatically taking out the heating screening disc in a telescopic way, after the graphene particles are shaken by the heating screening disc, some wet graphene dust can be adhered to the inner wall of the drying tank 1, the second motor 163 is further started, so that the second motor 163 drives the screw 1664 to rotate, meanwhile, the screw 164 drives the scraper 161 to slide downwards along the inner wall of the drying tank 1 and the fixing rod 165, so that the scraper 161 can further clean the graphene dust adhered to the inner wall of the drying tank 1, and finally the graphene dust is scraped and collected to the bottom of the inner wall of the drying tank 1 to be mixed with the graphene fine particles, through the arrangement of the scraping mechanism 16, the automatic cleaning of the wet graphene dust adhered to the inner wall of the drying tank 1 is realized, the cleaning of the inner wall of the drying tank 1 is convenient, meanwhile, the waste of partial graphene materials is avoided, when the discharge pipe 11 is blocked, the third motor 177 is started, so that the third motor 177 drives the turntable 176 to rotate, meanwhile, the rotary disc 176 drives the fixing column 179 to rotate, meanwhile, the fixing column 179 drives the connecting rod 178 to move up and down while sliding along the adapting groove 1710, at the same time, the connecting rod 178 drives the movable rod 173 to slide up and down along the inner surface of the rod cover 172, at the same time, the movable rod 173 drives the blocking block 174 to move up and down along the inner surface of the discharge pipe 11 and to block the discharge pipe, through the arrangement of the blockage removing mechanism 17, the automatic blockage removing function of the discharging pipe 11 is realized, the manual blockage removing is avoided, the discharging efficiency is greatly improved, the practicability is strong, after the graphite alkene heating is accomplished, start exhaust fan 3 for 3 suction external air of exhaust fan take a breath to the inside moisture of drying cabinet 1, and the moisture passes through outlet duct 5 discharges.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A drying process of graphene particles is characterized in that: the method specifically comprises the following steps:
s1, firstly, pouring graphene particles to be treated into a heating screening disc, classifying the graphene particles according to sizes through a screening, taking and drying device, and heating and drying the graphene through heating equipment;
s2, taking out the two heating screening disks through automatic material taking equipment, further detaching the heating screening disks and taking out the dried graphite particles;
s3, starting scraping equipment to scrape the graphene dust adhered to the inner wall of the tank to the lower part of the interior of the tank to be gathered together with the fine graphene particles, and when blockage occurs, performing blockage removal through the blockage removal equipment to finally discharge the fine graphene particles and the graphene dust in the tank together;
wherein the screening, material-taking and drying device in the step S1 comprises a drying tank (1) and a tank cover (2) which is rotatably connected to the top of the drying tank (1), an exhaust fan (3) is arranged at the bottom of the left side of the drying tank (1), an air inlet of the exhaust fan (3) is communicated with an air inlet pipe (4), the bottom of the right side of the drying tank (1) is communicated with an air outlet pipe (5), the top of the left side of the drying tank (1) is provided with a heating controller (6), a motor control main switch (7) is arranged at the front side of the drying tank (1), two through grooves (8) are arranged on the right side of the drying tank (1), opening and closing mechanisms (9) are arranged on the right sides of the two through grooves (8), two material placing plates (10) are fixedly connected to the right side of the drying tank (1) and below the two through grooves (8), the bottom of the drying tank (1) is communicated with a discharge pipe (11), a valve (12) is arranged in the discharge pipe (11), a platform (13) is fixedly connected with the bottom of the right side of the drying tank (1), the top of the platform (13) is fixedly connected with a fixed box (14), a screening and material taking mechanism (15) is arranged on the right side of the drying tank (1), a scraping mechanism (16) is arranged in the drying tank (1), a blocking mechanism (17) is arranged below the interior of the drying tank (1);
the screening and material taking mechanism (15) comprises two first motors (152) fixed inside a fixed box (14) through a fixed plate (151), the output ends of the two first motors (152) are fixedly connected with first rotating rods (153), the top ends of the two first rotating rods (153) are rotatably connected with second rotating rods (154) through rotating pins, one ends of the two second rotating rods (154) are rotatably connected with hydraulic telescopic rods (155) through rotating pins, the left side of the fixed box (14) is provided with a hydraulic control system (156), the left ends of the two hydraulic telescopic rods (155) respectively penetrate through the fixed box (14) and a through groove (8) and extend to the inside of a drying tank (1), the outer surfaces of the two hydraulic telescopic rods (155) are respectively in sliding connection with the inner surface of the fixed box (14), the right sides of the top of the two material placing plates (10) are respectively and fixedly connected with a lantern ring (157), the piston ends of the two hydraulic telescopic rods (155) respectively penetrate through lantern rings (157) and extend to the outside of the lantern rings (157), the outer surfaces of the piston ends of the two hydraulic telescopic rods (155) are respectively in sliding connection with the inner surfaces of the lantern rings (157) of the screening plate (157), the movable plates (157) are respectively connected with the inner surfaces of the lantern rings (157), and the first telescopic holes (158) are respectively arranged on the first telescopic rods (158), and the top of the first telescopic plates (158), a second heating screening disc (1510) is movably connected to the left end of the hydraulic telescopic rod (155) at the bottom, a second sieve hole (1511) penetrates through the surface of the second heating screening disc (1510), power control modules (1512) are fixedly connected to the front sides of the first heating screening disc (158) and the second heating screening disc (1510) and the bottom of the inner wall of the drying tank (1), and detaching mechanisms (1513) are arranged between the first heating screening disc (158) and the hydraulic telescopic rod (155) and between the second heating screening disc (1510) and the hydraulic telescopic rod (155);
the disassembling mechanism (1513) comprises circular grooves (1513-1) arranged on the right sides of a first heating screening disc (158) and a second heating screening disc (1510), the left ends of two hydraulic telescopic rods (155) penetrate through the circular grooves (1513-1) and extend to the insides of the circular grooves (1513-1), the front side and the rear side of the piston ends of the two hydraulic telescopic rods (155) are respectively provided with a clamping groove (1513-2), the front side and the rear side on the right sides of the first heating screening disc (158) and the second heating screening disc (1510) are respectively and fixedly connected with a transverse pipe (1513-3), one side, far away from the two transverse pipes (1513-3), is respectively connected with a limiting rod (1513-4) in a sliding manner, the opposite ends of the two limiting rods (1513-4) penetrate through the transverse pipes (1513-3) and extend to the insides of the clamping grooves (1513-2), the outer surfaces of the two limiting rods (1513-4) are respectively connected with the inner surfaces of the clamping grooves (1513-2), the outer surfaces of the two limiting rods (1513-4) are respectively and fixedly arranged on the outer surfaces of the two transverse pipes (1513-3-4), the outer surfaces of the two limiting rods (1513-5) are respectively connected with the inner surfaces of the first heating screening discs (1513-3), and the two transverse pipes (1513-5) in a sliding manner, and the two limiting rods (1513-5) are respectively connected with the inner surfaces of the two limiting rods (1513) in a spring sleeves, opposite ends of the two first springs (1513-6) are fixedly connected with one side of the circular plate (1513-5), and the ends, far away from the two first springs (1513-6), are fixedly connected with the inner surface of the transverse pipe (1513-3);
the material scraping mechanism (16) comprises a material scraping plate (161) which is connected to the inner wall of the drying tank (1) in a sliding mode, the front side of the bottom of the drying tank (1) is fixedly connected with a case (162), the inside of the case (162) is fixedly connected with a second motor (163), the front side of the bottom of the inner wall of the drying tank (1) is connected with a screw rod (164) in a rotating mode, the bottom end of the screw rod (164) penetrates through the drying tank (1) and the case (162) and extends to the inside of the case (162), the output end of the second motor (163) is fixedly connected with the bottom end of the screw rod (164) through a coupler, the top end of the screw rod (164) penetrates through the material scraping plate (161) and extends to the top of the material scraping plate (161), the outer surface of the screw rod (164) is connected with the inner surface of the material scraping plate (161), the rear side of the bottom of the inner wall of the drying tank (1) is fixedly connected with a fixing rod (165), the top end of the material scraping plate (165) penetrates through the material scraping plate (161) and extends to the top of the material scraping plate (161), and the outer surface of the fixing rod (165) is connected with the inner surface of the material scraping plate (161) in a sliding mode;
lead to including horizontal pole (171) of fixed connection in drying cabinet (1) inner wall bottom rear side in stifled mechanism (17), the front end fixedly connected with pole cover (172) of horizontal pole (171), the top sliding connection of pole cover (172) has movable rod (173), the bottom of movable rod (173) runs through pole cover (172) and extends to the outside of pole cover (172), the bottom fixedly connected with of movable rod (173) leads to sprue (174), the inside that leads to sprue (174) runs through discharging pipe (11) and extends to discharging pipe (11), the right side fixedly connected with connecting plate (175) of drying cabinet (1) inner wall bottom, the front side rotation of connecting plate (175) is connected with carousel (176), the rear side fixedly connected with third motor (177) of connecting plate (175), the output of third motor (177) runs through connecting plate (175) and extends to the front side of connecting plate (175), the output of third motor (177) and the rear side fixed connection of carousel (176), connecting plate (175) right side fixedly connected with connecting plate (175) runs through connecting rod (179) and the front side of rotating connection of connecting rod (1710), the front side sliding connection of connecting rod (1710) and the front side of connecting groove (179), the left end of the connecting rod (178) is rotationally connected with the front side of the movable rod (173).
2. The process for drying graphene particles according to claim 1, wherein: mechanism (9) open and shut including seting up on drying can (1) right side and being located two curved groove (91) that lead to groove (8) top and bottom, the equal sliding connection in front and back on drying can (1) right side has arc board (92), two the equal sliding connection in right side of arc board (92) has handle (93), two connecting block (94) of the left side fixedly connected with of arc board (92), two the left end of connecting block all runs through curved groove (91) and extends to the inside in curved groove (91), two the surface of connecting block (94) all with the internal surface sliding connection in curved groove (91).
3. The process for drying graphene particles according to claim 2, wherein: the front side the top of arc board (92) is rotated and is connected with commentaries on classics board (95), the top of changeing board (95) is run through and has been seted up spout (96), the rear side the top of arc board (92) is seted up fluted (97), the internal surface sliding connection of recess (97) has montant (98), the top of montant (98) is run through spout (96) and is extended to the top of spout (96), the surface of montant (98) and the internal surface sliding connection of spout (96), the rear side of montant (98) just is located inside fixedly connected with connecting pipe (99) of recess (97).
4. The process for drying graphene particles according to claim 3, wherein: the internal surface sliding connection of connecting pipe (99) has connecting rod (910), the rear end of connecting rod (910) runs through connecting pipe (99) and extends to the outside of connecting pipe (99), the rear end of connecting rod (910) and the inner wall fixed connection of recess (97), the surface cover of connecting rod (910) is equipped with second spring (911), the front end of second spring (911) and the rear end fixed connection of connecting pipe (99), the rear end of second spring (911) and the inner wall fixed connection of recess (97).
5. The process for drying graphene particles according to claim 2, wherein: two connecting blocks (94) all with the size looks adaptation of curved groove (91), first heating screening dish (158) and second heating screening dish (1510) all with the size looks adaptation of logical groove (8).
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| JP3999145B2 (en) * | 2003-03-04 | 2007-10-31 | 株式会社東洋精米機製作所 | Granule processing equipment |
| CN107388748A (en) * | 2017-09-06 | 2017-11-24 | 临沂奥星化工有限公司 | A kind of haloflex drying production line |
| CN108955181B (en) * | 2018-08-03 | 2020-04-17 | 安徽三和堂药业有限公司 | Be used for matrimony vine to dry and select separately integration equipment |
| CN209049725U (en) * | 2018-11-12 | 2019-07-02 | 浙江雅市晶科技有限公司 | A kind of semiconductor grain multilevel screening device |
| CN210389782U (en) * | 2019-06-20 | 2020-04-24 | 江苏思可达塑业有限公司 | Plastic granules processing is with categorised and integrative equipment of drying |
| CN210473880U (en) * | 2019-07-18 | 2020-05-08 | 萍乡市拓源实业有限公司 | Powder chemical raw material blanking device |
| CN212409263U (en) * | 2020-04-15 | 2021-01-26 | 内蒙古新奇碳材料科技有限公司 | A drying device for graphite alkene production |
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Denomination of invention: A Drying Process for Graphene Particles Granted publication date: 20230321 Pledgee: Bank of Nanjing Co.,Ltd. Changzhou Branch Pledgor: Jiangsu Xicheng New Material Technology Co.,Ltd. Registration number: Y2024980020177 |