CN111589685A - Screening device for graphene purification and using method - Google Patents

Screening device for graphene purification and using method Download PDF

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Publication number
CN111589685A
CN111589685A CN202010344109.2A CN202010344109A CN111589685A CN 111589685 A CN111589685 A CN 111589685A CN 202010344109 A CN202010344109 A CN 202010344109A CN 111589685 A CN111589685 A CN 111589685A
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fixedly connected
graphene
sieve plate
screening
rod
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刘伟
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18Drum screens
    • B07B1/22Revolving drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen
    • B07B1/343Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro perpendicularly or approximately perpendiculary to the plane of the screen with mechanical drive elements other than electromagnets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/52Cleaning with brushes or scrapers
    • B07B1/522Cleaning with brushes or scrapers with brushes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/15Nano-sized carbon materials
    • C01B32/182Graphene
    • C01B32/194After-treatment
    • C01B32/196Purification
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a screening device for graphene purification and a using method of the screening device. The graphene screening device has the advantages of multiple screening of graphene, high screening efficiency and strong applicability, and solves the problems that the existing graphene screening device can not perform multiple screening on graphene because the graphene is screened by only a single screening plate, the screening efficiency is low, the applicability of the screening device is reduced, and the graphene screening device is inconvenient to use by people.

Description

Screening device for graphene purification and using method
Technical Field
The invention relates to the technical field of graphene screening, in particular to a screening device for graphene purification and a using method thereof.
Background
Graphene is a hexagonal honeycomb-shaped two-dimensional carbon nanomaterial formed by carbon atoms through sp2 hybrid orbits, 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, is considered to be a revolutionary material in the future, and is produced by a mechanical stripping method, an oxidation-reduction method and a SiC epitaxial growth method, and a chemical vapor deposition method is used as a film production method.
Graphene need sieve at the in-process of purification processing, and current graphene screening plant only sieves graphene through single screening board, can not carry out multiple screening to graphene, and screening efficiency is low, has reduced screening plant's suitability, the not people's of being convenient for use.
Disclosure of Invention
The invention aims to provide a screening device for graphene purification and a using method thereof, which have the advantages of multiple screening of graphene, high screening efficiency and strong applicability, and solve the problems that the existing graphene screening device only screens graphene through a single screening plate, cannot perform multiple screening on graphene, is low in screening efficiency, reduces the applicability of the screening device, and is inconvenient for people to use.
In order to achieve the purpose, the invention provides the following technical scheme: a screening device for graphene purification comprises a screening barrel, wherein material leaking holes are formed in the surface of the screening barrel, an inlet pipe is communicated with the right side of the screening barrel, a discharge pipe is communicated with the left side of the screening barrel, bearing seats are sleeved on the surfaces of the inlet pipe and the discharge pipe, a first connecting rod is fixedly connected to the top of each bearing seat, a second connecting rod is fixedly connected to the top of each first connecting rod, third connecting rods are fixedly connected to the two ends of each second connecting rod, a motor is fixedly connected to the right side of each left third connecting rod, a first gear is fixedly connected to the right end of a rotating shaft of the motor, a second gear is fixedly sleeved on the surface of each discharge pipe, the first gear is meshed with the second gear, an inclined rod is fixedly connected to one end, far away from the second connecting rods, of each third connecting rod, and short rods are fixedly connected to the two sides of the tops, the top cover of quarter butt is equipped with the sleeve pipe, the top fixedly connected with spring of quarter butt, the top of spring and the top fixed connection of sleeve pipe inner chamber, sheathed tube top fixedly connected with brush board, the top fixedly connected with brush hair of brush board, the top of brush hair and the top contact of screening bucket inner chamber, the bottom fixedly connected with backup pad of bearing frame, the bottom fixedly connected with box of backup pad, the both sides of box have seted up first square hole and second square hole from last respectively down, the box inner chamber is provided with first sieve and second sieve from last to down respectively, the right side of first sieve and second sieve bottom all has the connecting block through pivot swing joint, the right side of connecting block and the right side fixed connection of box inner chamber, the bottom of first sieve and second sieve all fixedly connected with fixed block, the relative one side fixedly connected with guide bar of fixed block, the utility model discloses a box, including the box inner chamber, the bottom of bottom uide bushing has electric telescopic handle, the bottom of electric telescopic handle and the bottom fixed connection of box inner chamber, the surface cover of guide bar is equipped with the uide bushing, and there is the bracing piece bottom of top uide bushing through pivot swing joint, the bottom of bracing piece and the top fixed connection of second sieve, the bottom of bottom uide bushing has electric telescopic handle through pivot swing joint, electric telescopic handle's bottom and box.
Preferably, the two sides of the front surface of the box body are both movably connected with a box door through hinges, the front surface of the box door is fixedly connected with a handle, and an observation window is embedded in the bottom of the front surface of the box door.
Preferably, the front side and the rear side of the top of the first sieve plate are fixedly connected with first baffle plates, and two sides of each first baffle plate penetrate through the corresponding first square hole.
Preferably, the front side and the rear side of the top of the second sieve plate are fixedly connected with second baffle plates, and the two sides of each second baffle plate penetrate through the second square hole.
Preferably, the inlet pipe and the discharging pipe are both movably connected with the bearing seat through a bearing, the inlet pipe and the discharging pipe are both fixedly connected with an inner ring of the bearing, and an outer ring of the bearing is fixedly connected with an inner wall of the bearing seat.
Preferably, a material receiving box is placed at the bottom of the right side of the box body, a partition plate is fixedly connected to the inner cavity of the material receiving box, and a guide plate is fixedly connected to the bottom of the right side of the box body.
Preferably, the left side fixedly connected with controller at box front top, the controller respectively with motor and first electric telescopic handle electric connection.
A use method of a screening device for graphene purification comprises the following steps:
a: graphene enters an inner cavity of the screening barrel from a feeding pipe, a controller controls a motor to operate to drive a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a discharging pipe to rotate, the discharging pipe drives the screening barrel to rotate, the screening barrel rotates to screen the graphene in the inner cavity in a rolling mode, small-particle graphene leaks to the top of a first screen plate in the inner cavity of the box body through a material leaking hole, the graphene which does not pass through the material leaking hole is discharged from the discharging pipe, a brush plate is fixed when the screening barrel rotates, the top of the inner cavity of the screening barrel is cleaned through bristles, the graphene on the inner wall of the screening barrel is cleaned, and the graphene is prevented from blocking the material leaking hole;
b: the controller controls the electric telescopic rod to operate, the electric telescopic rod stretches and retracts to drive the bottom guide sleeve to vertically move, the guide sleeve drives the guide rod to vertically move, the guide sleeve simultaneously slides on the surface of the guide rod, the guide rod drives the fixed block to vertically move, the fixed block drives the left side of the second sieve plate to vertically move, the second sieve plate drives the support rod to vertically move, and the support rod drives the guide sleeve at the top to vertically move, so that the left side of the first sieve plate is driven to vertically move, the left sides of the first sieve plate and the second sieve plate vertically reciprocate, and graphene is shaken and sieved;
c: graphene which does not pass through the first sieve plate is discharged from a first square hole on the right side, flows to the right side of the inner cavity of the material receiving box through the flow guide plate, the graphene which passes through the first sieve plate falls onto the second sieve plate, the graphene which does not pass through the second sieve plate is discharged to the left side of the inner cavity of the material receiving box from a second square hole on the right side, the graphene which passes through the second sieve plate falls to the bottom of the inner cavity of the box body, the box door is opened, and the graphene at the bottom of the inner cavity of the box body is taken out.
Compared with the prior art, the invention has the following beneficial effects:
1. the graphene screening device has the advantages of high screening efficiency and strong applicability by matching the screening barrel, the leakage hole, the feeding pipe, the discharging pipe, the bearing seat, the first connecting rod, the second connecting rod, the third connecting rod, the motor, the first gear, the second gear, the inclined rod, the short rod, the sleeve, the spring, the brush plate, the brush hair, the supporting plate, the box body, the first square hole, the second square hole, the first screen plate, the second screen plate, the connecting block, the fixing block, the guide rod, the guide sleeve, the supporting rod and the electric telescopic rod, and solves the problems that the existing graphene screening device can not screen graphene by a single screening plate, the screening efficiency is low, the applicability of the screening device is reduced, and the graphene screening device is inconvenient to use by people.
2. The box door is arranged, so that graphene powder at the bottom of the inner cavity of the box body can be conveniently taken out, the first sieve plate and the second sieve plate can be conveniently cleaned, the opening and closing of the box door are facilitated by arranging the observation window, the quantity of the graphene powder at the bottom of the inner cavity of the box body can be conveniently observed, the graphene at the top of the first sieve plate is prevented from flowing down from the front side and the back side of the top of the first sieve plate by arranging the first baffle plate, the graphene at the top of the second sieve plate is prevented from flowing down from the front side and the back side of the top of the second sieve plate by arranging the second baffle plate, the feeding pipe and the discharging pipe can be supported by arranging the bearing seat and the bearing, the rotation of the feeding pipe and the discharging pipe is facilitated, the sleeve pipe is tensioned by arranging the spring to push the sleeve pipe to move upwards, the brush plate is pushed upwards, and the brush bristles are pushed by the brush plate to be in close contact, can clean the inner wall of screening bucket, avoid screening bucket to block up.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of A in FIG. 1 according to the present invention;
FIG. 3 is a schematic front view of the structure of the case of the present invention;
fig. 4 is a top cross-sectional view of the box and first screen deck connection of the present invention.
In the figure: 1 screening bucket, 2 hourglass material hole, 3 inlet pipes, 4 discharging pipes, 5 bearing seats, 6 head rod, 7 second connecting rods, 8 third connecting rods, 9 motors, 10 first gears, 11 second gears, 12 down tube, 13 quarter butt, 14 sleeve pipes, 15 springs, 16 brush boards, 17 brush hairs, 18 backup pads, 19 boxes, 20 first square holes, 21 second square holes, 22 first sieve boards, 23 second sieve boards, 24 connecting blocks, 25 fixed blocks, 26 guide rods, 27 guide sleeves, 28 bracing pieces, 29 electric telescopic rod, 30 chamber doors, 31 controllers.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The screening barrel 1, the material leaking hole 2, the material feeding pipe 3, the material discharging pipe 4, the bearing seat 5, the first connecting rod 6, the second connecting rod 7, the third connecting rod 8, the motor 9, the first gear 10, the second gear 11, the inclined rod 12, the short rod 13, the sleeve 14, the spring 15, the brush plate 16, the brush bristles 17, the supporting plate 18, the box body 19, the first square hole 20, the second square hole 21, the first sieve plate 22, the second sieve plate 23, the connecting block 24, the fixed block 25, the guide rod 26, the guide sleeve 27, the supporting rod 28, the electric telescopic rod 29, the box door 30 and the controller 31 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the parts can be known by the technical manual or a conventional experimental method.
Referring to fig. 1-4, a screening device for graphene purification comprises a screening barrel 1, wherein a material leaking hole 2 is formed in the surface of the screening barrel 1, a feeding pipe 3 is communicated with the right side of the screening barrel 1, a discharging pipe 4 is communicated with the left side of the screening barrel 1, bearing seats 5 are respectively sleeved on the surfaces of the feeding pipe 3 and the discharging pipe 4, a first connecting rod 6 is fixedly connected to the top of each bearing seat 5, a second connecting rod 7 is fixedly connected to the top of each first connecting rod 6, third connecting rods 8 are respectively and fixedly connected to both ends of each second connecting rod 7, a motor 9 is fixedly connected to the right side of each left third connecting rod 8, a first gear 10 is fixedly connected to the right end of a rotating shaft of each motor 9, a second gear 11 is fixedly sleeved on the surface of each discharging pipe 4, the first gear 10 is engaged with the second gear 11, an inclined rod 12 is fixedly connected to one end of each third connecting rod 8 far away from the second connecting rod 7, the top of the short rod 13 is sleeved with a sleeve 14, the top of the short rod 13 is fixedly connected with a spring 15, the top of the spring 15 is fixedly connected with the top of an inner cavity of the sleeve 14, the top of the sleeve 14 is fixedly connected with a brush plate 16, the top of the brush plate 16 is fixedly connected with bristles 17, the tops of the bristles 17 are contacted with the top of the inner cavity of the screening barrel 1, the sleeve 14 is driven to move upwards by arranging the spring 15, the sleeve 14 is driven to move upwards, the brush plate 16 is driven to push the bristles 17 to be in close contact with the inner wall of the screening barrel 1, the inner wall of the screening barrel 1 can be cleaned, the screening barrel 1 is prevented from being blocked, the bottom of the bearing seat 5 is fixedly connected with a support plate 18, the bottom of the support plate 18 is fixedly connected with a box body 19, the two sides of the box body 19 are respectively provided with a first square hole 20 and a second square hole 21 from top to, the right side of first sieve 22 and second sieve 23 bottom all has connecting block 24 through pivot swing joint, the right side of connecting block 24 and the right side fixed connection of 19 inner chambers of box, the equal fixedly connected with fixed block 25 in bottom of first sieve 22 and second sieve 23, one side fixedly connected with guide bar 26 that the fixed block 25 is relative, the surface cover of guide bar 26 is equipped with uide bushing 27, there is bracing piece 28 bottom of top uide bushing 27 through pivot swing joint, the bottom of bracing piece 28 and the top fixed connection of second sieve 23, there is electric telescopic handle 29 bottom of bottom uide bushing 27 through pivot swing joint, electric telescopic handle 29's bottom and the bottom fixed connection of 19 inner chambers of box.
All there is chamber door 30 in the positive both sides of box 19 through hinge swing joint, and the positive fixedly connected with handle of chamber door 30, and the positive bottom of chamber door 30 is inlayed and is had the observation window, and through setting up chamber door 30, be convenient for take out the graphite alkene powder of 19 inner chamber bottoms of box, be convenient for clean first sieve 22 and second sieve 23 simultaneously, through setting up the handle, be convenient for opening and shutting of chamber door 30, through setting up the observation window, be convenient for observe 19 inner chamber bottoms of box graphite alkene powder how much.
The first baffle of the equal fixedly connected with in front side and the rear side at first sieve 22 top, the both sides of first baffle all run through first square hole, through setting up first baffle, carry out the separation to the graphite alkene at first sieve 22 top, avoid graphite alkene from the front side and the rear side at first sieve 22 top to flow down.
The equal fixedly connected with second baffle of front side and the rear side at 23 tops of second sieve, the second square hole is all run through to the both sides of second baffle, through setting up the second baffle, carries out the separation to the graphite alkene at 23 tops of second sieve, avoids graphite alkene to flow down from the front side and the rear side at 23 tops of second sieve.
Inlet pipe 3 and discharging pipe 4 all through bearing and bearing frame 5 swing joint, inlet pipe 3 and discharging pipe 4 all with the inner ring fixed connection of bearing, the outer loop of bearing and the inner wall fixed connection of bearing frame 5, through setting up bearing frame 5 and bearing, can support inlet pipe 3 and discharging pipe 4, the rotation of the inlet pipe 3 and discharging pipe 4 of being convenient for.
A material receiving box is arranged at the bottom of the right side of the box body 19, a baffle is fixedly connected with the inner cavity of the material receiving box, and a guide plate is fixedly connected with the bottom of the right side of the box body 19.
The controller 31 is fixedly connected to the left side of the top of the front surface of the box 19, and the controller 31 is electrically connected to the motor 9 and the first electric telescopic rod 29 respectively.
Matching is carried out through a screening barrel 1, a material leaking hole 2, a feeding pipe 3, a discharging pipe 4, a bearing seat 5, a first connecting rod 6, a second connecting rod 7, a third connecting rod 8, a motor 9, a first gear 10, a second gear 11, an inclined rod 12, a short rod 13, a sleeve 14, a spring 15, a brush plate 16, bristles 17, a supporting plate 18, a box body 19, a first square hole 20, a second square hole 21, a first screen plate 22, a second screen plate 23, a connecting block 24, a fixed block 25, a guide rod 26, a guide sleeve 27, a supporting rod 28 and an electric telescopic rod 29, possess and carry out multiple screening to graphite alkene, screening efficiency is high, and the advantage that the suitability is strong has solved current graphite alkene screening plant and has only sieved graphite alkene through single screening board, can not carry out multiple screening to graphite alkene, and screening efficiency is low, has reduced screening plant's suitability, the problem that is not convenient for people to use.
A use method of a screening device for graphene purification comprises the following steps:
a: graphene enters an inner cavity of a screening barrel 1 from a feeding pipe 3, a controller 31 controls a motor 9 to operate to drive a first gear 10 to rotate, the first gear 10 drives a second gear 11 to rotate, the second gear 11 drives a discharging pipe 4 to rotate, the discharging pipe 4 drives the screening barrel 1 to rotate, the screening barrel 1 rotates to roll and screen the graphene in the inner cavity, small-particle graphene leaks to the top of a first screen plate 22 in the inner cavity of a box body 19 through a material leaking hole 2, the graphene which does not pass through the material leaking hole 2 is discharged from the discharging pipe 4, a brush plate 16 is fixed when the screening barrel 1 rotates, brush bristles 17 clean the top of the inner cavity of the screening barrel 1, the graphene adhered to the inner wall of the screening barrel 1 is cleaned, and the graphene is prevented from blocking the material leaking hole 2;
b: the controller 31 controls the electric telescopic rod 29 to operate, the electric telescopic rod 29 stretches and retracts to drive the bottom guide sleeve 27 to vertically move, the guide sleeve 27 drives the guide rod 26 to vertically move, the guide sleeve 27 simultaneously slides on the surface of the guide rod 26, the guide rod 26 drives the fixing block 25 to vertically move, the fixing block 25 drives the left side of the second sieve plate 23 to vertically move, the second sieve plate 23 drives the support rod 28 to vertically move, the support rod 28 drives the guide sleeve 27 at the top to vertically move, so that the left side of the first sieve plate 22 is driven to vertically move, the left sides of the first sieve plate 22 and the second sieve plate 23 vertically reciprocate, and graphene is subjected to shaking screening;
c: graphene which does not pass through the first sieve plate 22 is discharged from a first square hole on the right side, flows to the right side of the inner cavity of the material receiving box through the flow guide plate, the graphene which passes through the first sieve plate 22 drops to the second sieve plate 23, the graphene which does not pass through the second sieve plate 23 is discharged to the left side of the inner cavity of the material receiving box from a second square hole 21 on the right side, the graphene which passes through the second sieve plate 23 drops to the bottom of the inner cavity of the box body 19, the box door 30 is opened, and the graphene at the bottom of the inner cavity of the box body 19 is taken out.
In summary, the following steps: this screening device and application method are used in graphite alkene purification, through screening bucket 1, the hole 2 leaks, inlet pipe 3, discharging pipe 4, bearing frame 5, head rod 6, second connecting rod 7, third connecting rod 8, motor 9, first gear 10, second gear 11, down tube 12, quarter butt 13, sleeve pipe 14, spring 15, brush board 16, brush hair 17, backup pad 18, box 19, first square hole 20, second square hole 21, first sieve 22, second sieve 23, connecting block 24, fixed block 25, guide bar 26, uide bushing 27, bracing piece 28 and electric telescopic handle 29 cooperate, it only carries out multiple screening to graphite alkene through single screening board to have solved current graphite alkene screening device, can not carry out multiple screening to graphite alkene, screening efficiency is low, the suitability of screening device has been reduced, the problem of not being convenient for people to use.
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 (8)

1. The utility model provides a graphite alkene purification is with dividing sieve device, includes screening bucket (1), its characterized in that: the material leakage hole (2) is formed in the surface of the screening barrel (1), the right side of the screening barrel (1) is communicated with a feeding pipe (3), the left side of the screening barrel (1) is communicated with a discharging pipe (4), the surfaces of the feeding pipe (3) and the discharging pipe (4) are respectively sleeved with a bearing seat (5), the top of each bearing seat (5) is fixedly connected with a first connecting rod (6), the top of each first connecting rod (6) is fixedly connected with a second connecting rod (7), the two ends of each second connecting rod (7) are respectively fixedly connected with a third connecting rod (8), the right side of each left third connecting rod (8) is fixedly connected with a motor (9), the right end of a rotating shaft of the motor (9) is fixedly connected with a first gear (10), the surface of the discharging pipe (4) is sleeved with a second gear (11), the first gear (10) is meshed with the second gear (11), one end of the third connecting rod (8) far away from the second connecting rod (7) is fixedly connected with an inclined rod (12), two sides of the top of the inclined rod (12) are fixedly connected with short rods (13), the top of each short rod (13) is sleeved with a sleeve (14), the top of each short rod (13) is fixedly connected with a spring (15), the top of each spring (15) is fixedly connected with the top of the inner cavity of the sleeve (14), the top of each sleeve (14) is fixedly connected with a brush plate (16), the top of each brush plate (16) is fixedly connected with bristles (17), the tops of the bristles (17) are in contact with the top of the inner cavity of the screening barrel (1), the bottom of the bearing seat (5) is fixedly connected with a supporting plate (18), the bottom of the supporting plate (18) is fixedly connected with a box body (19), two sides of the box body (19) are respectively provided with a first square hole (20) and a second square hole (21, the inner chamber of the box body (19) is provided with a first sieve plate (22) and a second sieve plate (23) from top to bottom respectively, the right sides of the bottoms of the first sieve plate (22) and the second sieve plate (23) are both fixedly connected with a connecting block (24) through a rotating shaft, the right sides of the connecting block (24) are fixedly connected with the right sides of the inner chamber of the box body (19), the bottoms of the first sieve plate (22) and the second sieve plate (23) are both fixedly connected with a fixing block (25), one side of the fixing block (25) opposite to the guide rod (26), the surface of the guide rod (26) is sleeved with a guide sleeve (27), the bottom of the top guide sleeve (27) is movably connected with a support rod (28) through a rotating shaft, the bottom of the support rod (28) is fixedly connected with the top of the second sieve plate (23), and the bottom of the bottom guide, the bottom of the electric telescopic rod (29) is fixedly connected with the bottom of the inner cavity of the box body (19).
2. The screening device for graphene purification according to claim 1, wherein: the refrigerator is characterized in that two sides of the front surface of the refrigerator body (19) are both movably connected with a refrigerator door (30) through hinges, the front surface of the refrigerator door (30) is fixedly connected with a handle, and an observation window is embedded in the bottom of the front surface of the refrigerator door (30).
3. The screening device for graphene purification according to claim 1, wherein: the equal first baffle of fixedly connected with in front side and the rear side at first sieve (22) top, first square hole is all run through to the both sides of first baffle.
4. The screening device for graphene purification according to claim 1, wherein: the front side and the rear side of the top of the second sieve plate (23) are fixedly connected with second baffle plates, and the two sides of each second baffle plate penetrate through second square holes.
5. The screening device for graphene purification according to claim 1, wherein: inlet pipe (3) and discharging pipe (4) all through bearing and bearing frame (5) swing joint, inlet pipe (3) and discharging pipe (4) all with the inner ring fixed connection of bearing, the outer loop of bearing and the inner wall fixed connection of bearing frame (5).
6. The screening device for graphene purification according to claim 1, wherein: a material receiving box is placed at the bottom of the right side of the box body (19), a partition plate is fixedly connected to the inner cavity of the material receiving box, and a guide plate is fixedly connected to the bottom of the right side of the box body (19).
7. The screening device for graphene purification according to claim 1, wherein: the left side fixedly connected with controller (31) at box (19) front top, controller (31) respectively with motor (9) and first electric telescopic handle (29) electric connection.
8. The use method of the screening device for graphene purification according to any one of claims 1 to 7, characterized by comprising the following steps:
a: graphene enters an inner cavity of a screening barrel (1) from a feeding pipe (3), a controller (31) controls a motor (9) to operate to drive a first gear (10) to rotate, the first gear (10) drives a second gear (11) to rotate, the second gear (11) drives a discharging pipe (4) to rotate, the discharging pipe (4) drives the screening barrel (1) to rotate, the screening barrel (1) rotates to screen graphene in the inner cavity in a rolling mode, small-particle graphene leaks to the top of a first screen plate (22) in the inner cavity of a box body (19) through a material leaking hole (2), graphene which does not pass through the material leaking hole (2) is discharged from the discharging pipe (4), a brush plate (16) is fixed when the screening barrel (1) rotates, brush bristles (17) clean the top of the inner cavity of the screening barrel (1), the graphene adhered to the inner wall of the screening barrel (1) is cleaned, and the graphene is prevented from blocking the material leaking hole (2);
b: the controller (31) controls the electric telescopic rod (29) to operate, the electric telescopic rod (29) stretches and retracts to drive the bottom guide sleeve (27) to vertically move, the guide sleeve (27) drives the guide rod (26) to vertically move, the guide sleeve (27) slides on the surface of the guide rod (26) at the same time, the guide rod (26) drives the fixing block (25) to vertically move, the fixing block (25) drives the left side of the second sieve plate (23) to vertically move, the second sieve plate (23) drives the support rod (28) to vertically move, the support rod (28) drives the guide sleeve (27) at the top to vertically move, so that the left side of the first sieve plate (22) is driven to vertically move, the left sides of the first sieve plate (22) and the left side of the second sieve plate (23) are vertically reciprocated, and graphene is shaken and sieved;
c: graphene which does not pass through the first sieve plate (22) is discharged from a first square hole on the right side, flows to the right side of the inner cavity of the material receiving box through the flow guide plate, graphene which passes through the first sieve plate (22) drops to the second sieve plate (23), graphene which does not pass through the second sieve plate (23) is discharged to the left side of the inner cavity of the material receiving box from a second square hole (21) on the right side, graphene which passes through the second sieve plate (23) drops to the bottom of the inner cavity of the box body (19), the box door (30) is opened, and graphene at the bottom of the inner cavity of the box body (19) is taken out.
CN202010344109.2A 2020-04-27 2020-04-27 Screening device for graphene purification and using method Pending CN111589685A (en)

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Application publication date: 20200828