CN112456478A

CN112456478A - Production process of graphite powder for graphene preparation

Info

Publication number: CN112456478A
Application number: CN202011415070.5A
Authority: CN
Inventors: 向鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-03-09

Abstract

The invention discloses a graphite powder production process for graphene preparation, and the stirring equipment comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with an underframe, the right side of the top of the underframe is fixedly connected with an extension frame, a stirring box penetrates through and is fixed in the extension frame, the top of the stirring box is communicated and fixed with a first feeding hopper, a stirring mechanism is arranged between the underframe and the stirring box, the front side and the rear side of the right side of the top of the bottom plate are fixedly connected with baffle plates, and a switching box is clamped between the two baffle plates. This graphite powder production technology for graphite alkene preparation is provided with receiving agencies through the left side at the bottom plate top, utilizes the third motor to provide power, through annular rack, gear wheel and pinion transmission power, can drive the even rotation of receipts feed cylinder, and hydraulic stem, mounting panel and the clearance brush that the cooperation set up can conveniently clear up the inner wall of receiving the feed cylinder after getting the material.

Description

Production process of graphite powder for graphene preparation

Technical Field

The invention relates to the technical field of graphite powder production, in particular to a graphite powder production process for graphene preparation.

Background

Referring to Chinese patents, the graphite powder stirring device for graphene preparation (publication number: CN209317533U, published: 2019-08-30) comprises a funnel, a box body, a bottom plate, a first motor and a second motor, wherein the second motor is arranged below the bottom plate, a discharge pipe is arranged on the side surface of the second motor, support legs are arranged on the side surface of the second motor, which is far away from the discharge pipe, a second electromagnetic valve is arranged on the discharge pipe, and a stirring shaft is arranged above the second motor;

referring to the Chinese patent, the graphite powder stirring device (publication number: CN210645950U, published: 2020-06-02) comprises a stirring hopper, a storage box and a mounting support, wherein the stirring hopper and the mounting support are arranged in a prefabricated foundation below the ground, the storage box is arranged at the upper end of the mounting support, the stirring hopper is arranged right below the storage box, and a plurality of feeding holes are arranged at the top end of the stirring hopper.

In view of the problems mentioned in the above referenced patents, the existing processes for producing graphite powder for graphene preparation still have the following drawbacks:

1. when stirring is carried out in the graphite powder production process, the stirring is not uniform, and the graphite powder with poor stirring effect can be generated, because the graphite powder has larger diameter, the graphite powder mixed with the graphite powder with good stirring effect can cause the production quality of the graphite powder to be lower;

2. when stirring is carried out in the graphite powder production process, most discharged graphite powder is controlled by a valve, but the valve is complex in structure, so that the discharging is inconvenient to control manually, the discharging precision is low, and the use is inconvenient;

3. when stirring in the graphite powder production technology, the more graphite powder of feed cylinder inner wall that takes out the graphite powder can the adhesion, and the manual process of clearing up is comparatively loaded down with trivial details to because the inhomogeneous of manual cleaning process can cause the remaining of graphite powder, the clearance effect is not good.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a graphite powder production process for graphene preparation, which solves the problems that when stirring is carried out in a graphite powder production process, the stirring is not uniform, the production quality is low, the discharging is inconvenient to control manually, and the cleaning effect of a charging barrel for taking out graphite powder is poor.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a graphite powder production process for graphene preparation specifically comprises the following steps:

step one, graphite oxidation and intercalation treatment: taking natural flake graphite or artificial graphite as a raw material, firstly adding an oxidant for oxidation reaction to prepare graphite oxide, then adding an intercalation agent for intercalation reaction, carrying out suction filtration on a reaction solution after the intercalation reaction is finished, washing a filtered solid to be neutral, and drying to obtain dried intercalated graphite;

step two, preparing expandable graphite: grinding and sieving the dried intercalated graphite prepared in the step one by using grinding equipment to obtain expandable graphite;

step three, stirring graphite: crushing the expandable graphite obtained in the step two by using a crusher, and then uniformly stirring the crushed expandable graphite by using stirring equipment;

wherein, the stirring device in the third step comprises a bottom plate, the top of the bottom plate is fixedly connected with an underframe, the right side of the top of the underframe is fixedly connected with an extension frame, the extension frame is internally fixedly penetrated by a stirring box, the top of the stirring box is fixedly communicated with a first feed hopper, a stirring mechanism is arranged between the underframe and the stirring box, the front side and the rear side of the right side of the top of the bottom plate are fixedly connected with baffle plates, a transfer box is clamped between the two baffle plates, the two sides of the transfer box are fixedly provided with handles, the inside of the transfer box is provided with a filtering mechanism, the right side of the stirring box is fixedly communicated with a discharge hopper, the discharge hopper is positioned right above the transfer box, the tops of the bottom plate and the bottom plate are fixedly connected with support frames, a fine material cylinder is fixedly connected between the tops of the two support frames, and the top of the fine, the inside of thin material section of thick bamboo is provided with optimization mechanism, and the left side of thin material section of thick bamboo is provided with ejection of compact control mechanism, the left side at bottom plate top is provided with receiving agencies.

Preferably, rabbling mechanism includes the first motor of fixed mounting in chassis inner wall bottom, the output of first motor passes through shaft coupling fixedly connected with pivot, and the first belt pulley of fixed surface of pivot is connected with, the inside of agitator tank is rotated and is connected with the (mixing) shaft, and the fixed surface of (mixing) shaft is connected with the stirring leaf.

Preferably, one end of the stirring shaft penetrates through the stirring box and extends to the outside of the stirring box, the surface of the stirring shaft is fixedly connected with a second belt pulley, and the second belt pulley is in transmission connection with the first belt pulley through a belt.

Preferably, the filtering mechanism comprises a return plate fixed on the inner wall of the transfer box, a fixed plate is fixedly mounted on the inner wall of the return plate, a filter screen box is placed at the top of the fixed plate, and drag hooks are fixedly connected to two sides of the top of the filter screen box.

Preferably, the optimizing mechanism comprises a second motor fixed at the top of the bottom frame, the output end of the second motor is fixedly connected with a turntable, the outer surface of the turntable is rotatably connected with the inner surface of the fine material cylinder, and the left end of the turntable is fixedly connected with a fine material blade.

Preferably, discharge control mechanism fixes the discharging pipe at the thin feed cylinder left end including the intercommunication, the bottom intercommunication of discharging pipe is fixed with the fixed disk, and the bottom of fixed disk is provided with first flitch, the surface of fixed disk rotates and is connected with the rolling disc.

Preferably, the bottom of the rotating disc is provided with a second material plate, the second material plate and the first material plate can be staggered to form a sealing state, and rotating handles are fixedly connected to two sides of the surface of the rotating disc.

Preferably, receiving agencies includes the disc, the fixed stand that is provided with in bottom of disc, and the bottom of stand and the top fixed connection of bottom plate, the top of disc is rotated and is provided with the receipts feed cylinder, the fixed annular rack that is provided with in bottom of receiving the feed cylinder, the centre at disc top is rotated and is connected with the bull stick, and the fixed surface of bull stick is connected with the gear wheel.

Preferably, the border at disc top rotates and is connected with the rotary column, and the fixed surface of rotary column is connected with the pinion, and meshes between pinion, gear wheel and the annular rack, the bottom of bull stick runs through the disc and extends to the outside of disc, the bottom fixedly connected with third motor of disc, and the output of third motor passes through the bottom fixed connection of shaft coupling and bull stick.

Preferably, one side fixedly connected with hydraulic stem at disc top, the top of hydraulic stem rotates and is connected with the mounting panel, and the bottom fixedly connected with clearance brush of mounting panel, the one side of clearance brush contacts with the inner wall of receiving the feed cylinder.

(III) advantageous effects

The invention provides a process for producing graphite powder for graphene preparation. Compared with the prior art, the method has the following beneficial effects:

(1) this graphite powder production technology is used in graphite alkene preparation, through be provided with rabbling mechanism between chassis and agitator tank, the inside of transfer box is provided with filtering mechanism, utilize first motor drive, through first belt pulley, second belt pulley and belt transmission power, can utilize (mixing) shaft and stirring leaf to carry out intensive mixing to graphite powder, the detachable filter screen box that the cooperation set up can drop into the agitator tank again with the not good graphite powder of stirring effect, very big promotion the production quality of graphite powder.

(2) This graphite powder production technology for graphite alkene preparation is provided with optimization mechanism through the inside at thin feed cylinder, utilizes the second motor to provide power, rotates through carousel and thin material leaf for graphite powder laminates the stirring in thin feed cylinder, and thin material leaf and thin feed cylinder inner wall contact, graphite powder can fully contact with thin material leaf, very big promotion graphite powder's stirring quality.

(3) This graphite powder production technology for graphite alkene preparation is provided with ejection of compact control mechanism through the left side at thin feed cylinder, utilizes the rolling disc to rotate at the surface of fixed disk, and the clearance ejection of compact that the dislocation of the first flitch on the cooperation fixed disk and the second flitch on the rolling disc formed can make things convenient for the manual work to control the ejection of compact, easy operation, it is convenient to use.

(4) This graphite powder production technology for graphite alkene preparation is provided with receiving agencies through the left side at the bottom plate top, utilizes the third motor to provide power, through annular rack, gear wheel and pinion transmission power, can drive the even rotation of receipts feed cylinder, and hydraulic stem, mounting panel and the clearance brush that the cooperation set up can conveniently clear up the inner wall of receiving the feed cylinder after getting the material.

Drawings

FIG. 1 is a perspective view of the external structure from a first perspective of the present invention;

FIG. 2 is a perspective view of the outer structure from a second perspective of the present invention;

FIG. 3 is a schematic perspective view of the stirring mechanism of the present invention;

FIG. 4 is a schematic perspective view of the filter mechanism of the present invention;

FIG. 5 is a schematic perspective view of the optimizing mechanism of the present invention;

FIG. 6 is a schematic perspective view of a discharge control mechanism according to the present invention;

FIG. 7 is a schematic perspective view of a material receiving mechanism according to the present invention;

fig. 8 is a perspective view of a partial structure of the present invention.

In the figure, 1-bottom plate, 2-bottom frame, 3-extension frame, 4-stirring box, 5-stirring mechanism, 51-first motor, 52-rotating shaft, 53-first belt pulley, 54-stirring shaft, 55-stirring blade, 56-second belt pulley, 57-belt, 6-filtering mechanism, 61-returning plate, 62-fixing plate, 63-filtering net box, 64-drag hook, 7-optimizing mechanism, 71-second motor, 72-rotating disc, 73-fine material blade, 8-discharging control mechanism, 81-discharging pipe, 82-fixing disc, 83-first material plate, 84-rotating disc, 85-second material plate, 86-rotating handle, 9-receiving mechanism, 91-circular disc, 92-upright post, 93-material collecting barrel, 94-annular rack, 95-rotating rod, 96-big gear, 97-rotating column, 98-small gear, 99-third motor, 910-hydraulic rod, 911-mounting plate, 912-cleaning brush, 10-first material feeding hopper, 11-baffle, 12-switching box, 13-handle, 14-material discharging hopper, 15-supporting frame, 16-fine material barrel and 17-second material feeding hopper.

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. 1-2, an embodiment of the present invention provides a technical solution: a graphite powder production process for graphene preparation specifically comprises the following steps:

wherein, the stirring equipment in the third step comprises a bottom plate 1, the top of the bottom plate 1 is fixedly connected with an underframe 2, the right side of the top of the underframe 2 is fixedly connected with an extension frame 3, the inside of the extension frame 3 is fixedly penetrated with a stirring box 4, the top of the stirring box 4 is fixedly communicated with a first feeding hopper 10, the first feeding hopper 10 adopts the existing feeding technology, a stirring mechanism 5 is arranged between the underframe 2 and the stirring box 4, the front side and the rear side of the right side of the top of the bottom plate 1 are both fixedly connected with baffle plates 11, the baffle plates 11 are arranged to play a limiting role on a transfer box 12, a transfer box 12 is clamped between the two baffle plates 11, handles 13 are both fixedly arranged on both sides of the transfer box 12, the transfer box 12 can be conveniently taken out by arranging the handles 13, the filtering mechanism 6 is arranged inside the transfer box 12, the right side of the stirring box 4 is fixedly communicated with a discharge, and go out hopper 14 and be located the adaptor box 12 directly over, the equal fixedly connected with support frame 15 in top of bottom plate 1 and chassis 2, it can play the effect of fixed stay to set up support frame 15 to thin feed cylinder 16, fixedly connected with thin feed cylinder 16 between the top of two support frames 15, and the top intercommunication of thin feed cylinder 16 is fixed with second feeder hopper 17, second feeder hopper 17 is current feeding technique, the inside of thin feed cylinder 16 is provided with optimizing mechanism 7, and the left side of thin feed cylinder 16 is provided with ejection of compact control mechanism 8, the left side at bottom plate 1 top is provided with receiving agencies 9.

Referring to fig. 3, the stirring mechanism 5 includes a first motor 51 fixedly mounted at the bottom of the inner wall of the chassis 2, the first motor 51 is electrically connected to an external power source, an output end of the first motor 51 is fixedly connected to a rotating shaft 52 through a coupler, a surface of the rotating shaft 52 is fixedly connected to a first belt pulley 53, an inner portion of the stirring box 4 is rotatably connected to a stirring shaft 54, a surface of the stirring shaft 54 is fixedly connected to a stirring blade 55, one end of the stirring shaft 54 penetrates through the stirring box 4 and extends to the outside of the stirring box 4, a surface of the stirring shaft 54 is fixedly connected to a second belt pulley 56, and the second belt pulley 56 is in transmission connection with the first belt pulley 53 through a belt 57.

Referring to fig. 4, the filtering mechanism 6 includes a clip board 61 fixed on the inner wall of the adaptor box 12, a fixing board 62 is fixedly installed on the inner wall of the clip board 61, a filter screen box 63 is placed on the top of the fixing board 62, the diameter of the filter screen box 63 can be set as required, and for the existing filtering technology, the two sides of the top of the filter screen box 63 are fixedly connected with draw hooks 64, and the filter screen box 63 can be conveniently taken out by setting the draw hooks 64.

Referring to fig. 5, the optimizing mechanism 7 includes a second motor 71 fixed on the top of the chassis 2, the second motor 71 is electrically connected to an external power source, an output end of the second motor 71 is fixedly connected to a turntable 72, an outer surface of the turntable 72 is rotatably connected to an inner surface of the fine material cylinder 16, a left end of the turntable 72 is fixedly connected to a fine material blade 73, and the fine material blade 73 is attached to an inner wall of the fine material cylinder 16.

Referring to fig. 6, the discharging control mechanism 8 includes a discharging pipe 81 fixed at the left end of the fine material barrel 16, a fixed plate 82 is fixed at the bottom end of the discharging pipe 81, a first material plate 83 is disposed at the bottom of the fixed plate 82, a semicircular groove is disposed on the first material plate 83, a rotating disc 84 is rotatably connected to the outer surface of the fixed plate 82, a second material plate 85 is disposed at the bottom of the rotating disc 84, a semicircular groove is disposed on the second material plate 85, the second material plate 85 and the first material plate 83 can be staggered to form a sealing state, rotating handles 86 are fixedly connected to two sides of the surface of the rotating disc 84, and the rotating disc 84 can be conveniently rotated by the rotating handles 86.

Referring to fig. 7-8, the material receiving mechanism 9 includes a disc 91, a column 92 is fixedly disposed at the bottom of the disc 91, the bottom end of the column 92 is fixedly connected to the top of the bottom plate 1, a material receiving cylinder 93 is rotatably disposed at the top of the disc 91, a circular rack 94 is fixedly disposed at the bottom of the material receiving cylinder 93, a rotating rod 95 is rotatably connected to the middle of the top of the disc 91, a large gear 96 is fixedly connected to the outer surface of the rotating rod 95, a rotating column 97 is rotatably connected to the edge of the top of the disc 91, a small gear 98 is fixedly connected to the outer surface of the rotating column 97, the small gear 98, the large gear 96 and the circular rack 94 are engaged with each other, the bottom end of the rotating rod 95 penetrates through the disc 91 and extends to the outside of the disc 91, a third motor 99 is fixedly connected to the bottom of the disc 91, the third motor 99 is electrically connected to, one side fixedly connected with hydraulic stem 910 at disc 91 top, hydraulic stem 910 and external power source electric connection, the top of hydraulic stem 910 is rotated and is connected with mounting panel 911, and the bottom fixedly connected with clearance brush 912 of mounting panel 911, clearance brush 912 is current clearance technique, one side of clearance brush 912 and the inner wall contact of receiving material section of thick bamboo 93.

And those not described in detail in this specification are well within the skill of those in the art.

When the graphite powder stirring device is used, firstly, graphite powder is poured into the stirring box 4 from the first feeding hopper 10, meanwhile, the first motor 51 is started, the first motor 51 drives the rotating shaft 52 to rotate, the rotating shaft 52 rotates to enable the first belt pulley 53 to rotate, the second belt pulley 56 synchronously rotates through the transmission of the belt 57, the second belt pulley 56 rotates to drive the stirring shaft 54 to rotate, the stirring shaft 54 rotates to enable the stirring blades 55 to rotate to stir the graphite powder, the stirred graphite powder is discharged through the discharging hopper 14 and falls into the switching box 12, the graphite powder falls after being filtered by the filter screen box 63, the graphite powder with larger diameter is remained on the filter screen box 63, when a certain amount is accumulated, the drag hook 64 is pulled to drive the filter screen box 63 to move upwards, so that the filter screen box 63 is separated from the fixed plate 62, and at this time, the graphite powder remained on the filter screen box 63 is poured into the stirring box 4 from the first feeding hopper 10 again, the operation can be repeated, after the preliminary stirring is carried out by the stirring box 4, the graphite powder in the adapter box 12 is poured into the fine material cylinder 16 from the second feeding hopper 17, at this time, the second electric heater 71 is started, the rotating disc 72 is driven to rotate by the second electric heater 71, the fine material blade 73 is driven to rotate by the rotating disc 72 and the fine material blade 73, the graphite powder is stirred in the fine material cylinder 16 in a fitting manner, the fine material blade 73 is in contact with the inner wall of the fine material cylinder 16, the graphite powder can be in full contact with the fine material blade 73, the stirring quality of the graphite powder is greatly improved, at this time, the rotating handle 86 is rotated, the rotating disc 84 is driven to rotate by the rotating handle 86, the rotating disc 84 rotates to enable the second material plate 85 to rotate, a gap is generated between the second material plate 85 and the first material plate 83 on the fixed disc 82, at this time, the graphite powder falls into the material receiving cylinder 93 through the gap, and is matched with the discharge gap formed by the dislocation between the first material, can be conveniently and manually controlled to discharge, has simple operation and convenient use, and when the graphite powder is taken out from the material receiving cylinder 93 and then cleaned, at the moment, the hydraulic rod 910 is started, the mounting plate 911 is jacked up through the hydraulic rod 910, the mounting plate 911 is rotated to rotate the cleaning brush 912 into the material receiving cylinder 93, at the moment, the hydraulic rod 910 is started reversely to enable the cleaning brush 912 to be attached to the inner wall of the material receiving cylinder 93, at the moment, the third motor 99 is started, the rotating rod 95 is driven to rotate through the third motor 99, the rotating rod 95 rotates to further drive the large gear 96 to rotate, the large gear 96 rotates to further drive the meshed small gear 98 to rotate, so that the rotating column 97 synchronously rotates, then a plurality of pinions 98 rotate and drive annular rack 94 to rotate, annular rack 94 rotates and makes receiving cylinder 93 rotate, receiving cylinder 93 rotates back and utilizes clearance brush 912 to clear up receiving cylinder 93 can, can conveniently clear up receiving cylinder 93's inner wall after getting the material.

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

1. A graphite powder production process for graphene preparation is characterized by comprising the following steps: the method specifically comprises the following steps:

wherein, the stirring equipment in the third step comprises a bottom plate (1), the top of the bottom plate (1) is fixedly connected with an underframe (2), the right side of the top of the underframe (2) is fixedly connected with an extension frame (3), a stirring box (4) is fixedly penetrated in the extension frame (3), the top of the stirring box (4) is fixedly communicated with a first feeding hopper (10), a stirring mechanism (5) is arranged between the underframe (2) and the stirring box (4), the front side and the rear side of the right side of the top of the bottom plate (1) are both fixedly connected with baffle plates (11), a switching box (12) is clamped between the two baffle plates (11), handles (13) are both fixedly arranged on both sides of the switching box (12), a filtering mechanism (6) is arranged in the switching box (12), and a discharge hopper (14) is fixedly communicated with the right side of the stirring box (4), and go out hopper (14) and be located adapter box (12) directly over, the equal fixedly connected with support frame (15) in top of bottom plate (1) and chassis (2), two fixedly connected with thin feed cylinder (16) between the top of support frame (15), and the top intercommunication of thin feed cylinder (16) is fixed with second feeder hopper (17), the inside of thin feed cylinder (16) is provided with optimizing mechanism (7), and the left side of thin feed cylinder (16) is provided with ejection of compact control mechanism (8), the left side at bottom plate (1) top is provided with receiving agencies (9).

2. The graphite powder production process for graphene preparation according to claim 1, characterized in that: rabbling mechanism (5) are including first motor (51) of fixed mounting in chassis (2) inner wall bottom, shaft coupling fixedly connected with pivot (52) are passed through to the output of first motor (51), and the fixed surface of pivot (52) is connected with first belt pulley (53), the inside rotation of agitator tank (4) is connected with (mixing) shaft (54), and the fixed surface of (mixing) shaft (54) is connected with stirring leaf (55).

3. The graphite powder production process for graphene preparation according to claim 2, characterized in that: one end of the stirring shaft (54) penetrates through the stirring box (4) and extends to the outside of the stirring box (4), the surface of the stirring shaft (54) is fixedly connected with a second belt pulley (56), and the second belt pulley (56) is in transmission connection with the first belt pulley (53) through a belt (57).

4. The graphite powder production process for graphene preparation according to claim 1, characterized in that: filtering mechanism (6) including fixing returning plate (61) at adaptor box (12) inner wall, the inner wall fixed mounting of returning plate (61) has fixed plate (62), and filter screen box (63) have been placed at the top of fixed plate (62), equal fixedly connected with drag hook (64) in both sides at filter screen box (63) top.

5. The graphite powder production process for graphene preparation according to claim 1, characterized in that: the optimizing mechanism (7) comprises a second motor (71) fixed to the top of the bottom frame (2), the output end of the second motor (71) is fixedly connected with a rotary table (72), the outer surface of the rotary table (72) is rotatably connected with the inner surface of the fine material barrel (16), and the left end of the rotary table (72) is fixedly connected with a fine material leaf (73).

6. The graphite powder production process for graphene preparation according to claim 1, characterized in that: discharging control mechanism (8) are fixed discharging pipe (81) at thin feed cylinder (16) left end including the intercommunication, the bottom intercommunication of discharging pipe (81) is fixed with fixed disk (82), and the bottom of fixed disk (82) is provided with first flitch (83), the surface rotation of fixed disk (82) is connected with rolling disc (84).

7. The graphite powder production process for graphene preparation according to claim 6, characterized in that: the bottom of the rotating disc (84) is provided with a second material plate (85), the second material plate (85) and the first material plate (83) can be in a staggered sealing state, and rotating handles (86) are fixedly connected to the two sides of the surface of the rotating disc (84).

8. The graphite powder production process for graphene preparation according to claim 1, characterized in that: receiving agencies (9) include disc (91), the fixed stand (92) that is provided with in bottom of disc (91), and the bottom of stand (92) and the top fixed connection of bottom plate (1), the top of disc (91) is rotated and is provided with receipts feed cylinder (93), the fixed annular rack (94) that is provided with in bottom of receiving feed cylinder (93), the centre at disc (91) top is rotated and is connected with bull stick (95), and the fixed surface of bull stick (95) is connected with gear wheel (96).

9. The graphite powder production process for graphene preparation according to claim 8, characterized in that: the border at disc (91) top is rotated and is connected with rotary column (97), and the outer fixed surface of rotary column (97) is connected with pinion (98), and meshes between pinion (98), gear wheel (96) and annular rack (94), the outside that disc (91) and extend to disc (91) is run through to the bottom of bull stick (95), the bottom fixedly connected with third motor (99) of disc (91), and the bottom fixed connection of shaft coupling and bull stick (95) is passed through to the output of third motor (99).

10. The graphite powder production process for graphene preparation according to claim 8, characterized in that: one side fixedly connected with hydraulic stem (910) at disc (91) top, the top of hydraulic stem (910) is rotated and is connected with mounting panel (911), and the bottom fixedly connected with clearance brush (912) of mounting panel (911), the inner wall contact of one side and receipts feed cylinder (93) of clearance brush (912).