CN109201276B - Multistage agitating unit that grinds of thick liquids of graphite alkene - Google Patents
Multistage agitating unit that grinds of thick liquids of graphite alkene Download PDFInfo
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- CN109201276B CN109201276B CN201811065531.3A CN201811065531A CN109201276B CN 109201276 B CN109201276 B CN 109201276B CN 201811065531 A CN201811065531 A CN 201811065531A CN 109201276 B CN109201276 B CN 109201276B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Abstract
The invention discloses a multistage grinding and stirring device for graphene slurry, which structurally comprises a signal rod, a driving motor, a first grinding and stirring chamber and a second grinding and stirring chamber, wherein the first grinding and stirring chamber and the second grinding and stirring chamber are arranged for carrying out classification treatment, the size of a grinder arranged at each stage is different from the aperture of a filter plate, the filter plate of the first grinding and stirring chamber can filter small-particle graphene and directly reach the second grinding and stirring chamber, the grinding of large-particle graphene is stopped in the first grinding and stirring chamber, a first grinder arranged in the first grinding and stirring chamber mainly grinds large-particle graphene, the second grinding and stirring chamber grinds small-particle graphene through a second grinder, when the large-particle graphene in the first grinding and stirring chamber is ground to a certain degree to meet the screening diameter of the first filter plate, the grinding and stirring can be carried out by entering a second grinding and stirring chamber, and the energy consumption and the grinding time are reduced by the staged grinding.
Description
Technical Field
The invention relates to a grinding and stirring device, in particular to a multistage grinding and stirring device for graphene slurry.
Background
At present, the preparation of graphene mainly comprises two methods of oxidation reduction and layer extraction stripping, the layer extraction stripping method mainly utilizes grinding to prepare graphene, and shearing force, friction force or impact force are respectively utilized to crush and strip split bodies from large particles into small particles in grinding, but the operation of dispersing graphene by using grinding balls at present has the following defects:
because the diameter of the grinding ball directly influences the grinding effect, if the grinding ball is too small, covalent bonds in a graphite layer can be damaged in a large area, and the particle size of graphene is reduced, so that only graphene with a small diameter-thickness ratio can be obtained, and the nano-grade graphene is difficult to strip due to the fact that the grinding ball is too large; in addition, the particle sizes of the graphene are different, the grinding in the prior art mainly comprises up-down impact, and if the graphene is fully ground, the energy consumption is large and the required time is relatively long; in the grinding of the grinding balls, the powder is easy to form agglomeration, so that redundant residues are left on the surfaces of the grinding balls and the grinding area, the residues cannot be discharged, and the material waste is further caused.
Disclosure of Invention
In order to solve the problems, the invention provides a multistage grinding and stirring device for graphene slurry.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a multistage agitating unit that grinds of thick liquids of graphite alkene, its structure includes signal pole, driving motor, first grinding teeter chamber, second grinding teeter chamber, first grinding teeter chamber is equipped with feed inlet, one-level mill, driving motor is through running through in the inside drive shaft and the one-level mill mechanical connection of first grinding teeter chamber, be equipped with two branches on the signal pole, these two branches run through the left side that the second ground teeter chamber is respectively and be upper and lower parallel distribution, the feed inlet is equipped with two and evenly installs the position that is close to driving motor at the both ends of first grinding teeter chamber, inside second grinding teeter chamber is equipped with second grade mill, driver, high-efficient separator, discharge mechanism, the second grinding teeter chamber divide into and grinds the chamber down, wherein goes up to grind the chamber and is equipped with the second grade mill, and lower dispersion chamber is equipped with driver and high-efficient separator, Discharge mechanism, high-efficient separator and discharge mechanism cooperate and contactless, the signal output part of driver is connected in high-efficient separator through the shaft coupling transmission respectively, and this high-efficient separator is equipped with two equal horizontal installation in the discharge gate bottom of second grade mill both sides, mutually supports between.
As a further improvement of the invention, the primary grinder comprises an air pump, a swing rod, a filter plate, air pipes and grinding balls, wherein the air pump is arranged between a driving shaft and the swing rod, the swing rod is mechanically connected with the driving shaft, the swing rod penetrates through and is fixed at the center of the grinding balls, the filter plate is arranged on two sides of the lower ends of the grinding balls, and more than two air pipes matched with the air pump are arranged in the grinding balls.
As a further improvement of the invention, the high-efficiency separator comprises an inner feed inlet, an outer feed inlet, dispersing plates and dispersing blades, wherein the inner feed inlet is formed into an inner disperser with a narrow top and a wide bottom, the bottom of the inner disperser is arranged at the central position in an outer dispersing cavity formed by the outer feed inlet, three dispersing blades are respectively arranged on two sides of the bottom of the inner disperser and are matched with the outer dispersing cavity, and the dispersing plates are horizontally arranged at the position with a larger width in the inner feed inlet.
As a further improvement of the present invention, the secondary grinding device is installed inside the second grinding and stirring chamber, and the driving end of the secondary grinding device is electrically connected to the first signal branch on the signal rod.
As a further improvement of the invention, the secondary grinder and the primary grinder have the same structural function, but the diameter of the secondary grinder is smaller than that of the primary grinder, so that the secondary grinder is used for matching and grinding graphene with different diameters, and the effect of fully grinding and stirring is achieved.
As a further improvement of the present invention, the drivers are electrically connected through a second signal branch parallel to the bottom of the first signal branch.
As a further improvement of the invention, the discharging mechanism consists of a material collecting plate, moving wheels and a handle, wherein the material collecting plate is of a concave structure, two ends of the material collecting plate are tightly attached to two sides of the lower dispersing cavity, the bottom of the material collecting plate is movably matched in the second grinding and stirring chamber through the two moving wheels, the handle with a semicircular structure is fixedly welded at the right end of the material collecting plate, which is positioned in the second grinding and stirring chamber, and the material collecting plate and the handle are integrated.
As a further improvement of the invention, the aperture of the filter plate arranged on the secondary grinder is smaller than that of the filter plates arranged on the two sides of the grinding ball, and graphene with different diameters can be filtered in a grading way, so that the grinding is more delicate.
As a further improvement of the invention, dispersing teeth are arranged on the upper horizontal surface and the lower horizontal surface of the dispersing plate.
As a further improvement of the invention, the air pipes are uniformly distributed in the circumference, so that the blowing dead angle can be effectively avoided.
Compared with the prior art, the invention has the following beneficial effects:
the invention carries out classification treatment in graphene grinding through the first grinding and stirring chamber and the second grinding and stirring chamber, wherein the size of a grinder arranged in each stage is different from the aperture of a filter plate, the filter plate of the first grinding and stirring chamber can filter out small-particle graphene and directly send the small-particle graphene to the second grinding and stirring chamber, the large-particle graphene stops grinding in the first grinding and stirring chamber, a first-stage grinder arranged in the first grinding and stirring chamber mainly grinds the large-particle graphene, the second grinding and stirring chamber grinds the small-particle graphene through a second-stage grinder, when the large-particle graphene in the first grinding and stirring chamber is ground to a certain degree and can meet the screening diameter of the first-stage filter plate, the large-particle graphene can enter the second grinding and stirring chamber for grinding and stirring, the classification type grinding reduces energy consumption and grinding time, and preliminarily separates large-particle graphene from small-particle graphene, the graphene with different sizes and particles can be screened by grinding with the matched grinding balls, and the grinding precision can be effectively improved by combining multiple times of grinding;
according to the invention, the air pipe is arranged in the grinding ball and is matched with the air pump for use, and the air is sprayed out from inside to outside to blow off the powder remained on the surface of the grinding ball and in the grinding area, so that the influence of the powder residue on secondary grinding is prevented, and the material waste can be effectively avoided;
the graphene is an inert substance and is easy to agglomerate after being ground, and after the ground nano particles are dispersed by the high-efficiency separator, the nano particles are uniformly dispersed in a single particle by utilizing the mechanical force greater than the adhesive force among the nano particles under high-speed stirring, so that the efficient dispersion of the particles can be realized, and the full utilization of materials in the later period can be ensured.
Drawings
Fig. 1 is a schematic structural diagram of a multistage graphene slurry grinding and stirring device according to the present invention.
Fig. 2 is a schematic view of an internal planar structure of the multistage graphene slurry grinding and stirring device according to the present invention.
Fig. 3 is a schematic structural view of a primary grinder according to the present invention.
Fig. 4 is a schematic top view of the primary grinding device of the present invention.
FIG. 5 is a schematic diagram of the structure of the high-efficiency separator of the present invention.
In the figure: a signal rod-1, a driving motor-2, a first grinding and stirring chamber-3, a second grinding and stirring chamber-4, a driving shaft-21, a feeding hole-31, a first-stage grinder-32, a second-stage grinder-40, a driver-41, a high-efficiency separator-42, a discharging mechanism-43, an air pump-321, a swing rod-322, a filter plate-323, an air pipe-324, a grinding ball-325, an inner feeding hole-421, an outer feeding hole-422, a dispersion plate-423, a dispersion blade-424, a material collection plate-431, a moving wheel-432 and a handle-433.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the effects of the present invention easy to understand, fig. 1 to 5 schematically show the structure of a grinding and stirring device according to an embodiment of the present invention, and the present invention will be further described with reference to the following embodiments.
Examples
As shown in fig. 1-2, the present invention provides a multistage graphene slurry grinding and stirring apparatus, which includes a signal rod 1, a driving motor 2, a first grinding and stirring chamber 3, and a second grinding and stirring chamber 4, wherein the first grinding and stirring chamber 3 is provided with a feeding port 31 and a first-stage grinder 32, the driving motor 2 is mechanically connected to the first-stage grinder 32 through a driving shaft 21 penetrating through the first grinding and stirring chamber 3, the signal rod 1 is provided with two branches respectively penetrating into the left side of the second grinding and stirring chamber 4 to be distributed in parallel up and down, the feeding port 31 is provided with two and uniformly installed at two ends of the first grinding and stirring chamber 3 near the driving motor 2, the second grinding and stirring chamber 4 is provided with a second-stage grinder 40, a driver 41, a high-efficiency separator 42, and a discharging mechanism 43, the second grinding and stirring chamber 4 is divided into an upper grinding chamber and a lower dispersing chamber, wherein go up the grinding chamber and be equipped with second grade mill 40, and the dispersion chamber is equipped with driver 41 and high-efficient separator 42, discharge mechanism 43 down, and high-efficient separator 42 cooperatees and contactless with discharge mechanism 43, the signal output part of driver 41 is connected in high-efficient separator 42 through the shaft coupling transmission respectively, and this high-efficient separator 42 is equipped with the discharge gate bottom of two equal horizontal installation in second grade mill 40 both sides, mutually supports between, the inside at second grinding teeter chamber 4 is installed to second grade mill 40, the drive end of second grade mill 40 with locate the first signal branch electric connection on the signal pole 1.
As shown in fig. 3-4, the present invention provides a multistage grinding and stirring apparatus for graphene slurry, wherein the first-stage grinder 32 includes an air pump 321, a swing rod 322, a filter plate 323, an air pipe 324, and a grinding ball 325, the air pump 321 is installed between the driving shaft 21 and the swing rod 322, wherein the swing rod 322 is mechanically connected to the driving shaft 21, the center of the grinding ball 325 is fixedly penetrated with the swing rod 322, the filter plate 323 is installed at two sides of the lower end of the grinding ball 325, and more than two air pipes 324 are installed inside the grinding ball 323 matching with the air pump 321, the second-stage grinder 40 and the first-stage grinder 32 have the same structural function, but the diameter of the second-stage grinder 40 is smaller than that of the first-stage grinder 32, so as to match and grind graphene with different diameters, so as to achieve the effect of sufficient grinding and stirring, the aperture of the, the graphene with different diameters can be filtered in a grading manner, so that the grinding is more delicate, and the air pipes 324 are uniformly distributed in the circumferential direction, so that the blowing dead angle can be effectively avoided.
As shown in fig. 5, the present invention provides a multistage graphene slurry grinding and stirring apparatus, wherein the high-efficiency separator 42 includes an inner feed port 421, an outer feed port 422, a dispersion plate 423, and dispersion blades 424, the inner feed port 421 forms an inner dispersion device with a narrow top and a wide bottom, the bottom of the inner dispersion device is disposed at the center position of an outer dispersion cavity formed by the outer feed port 422, three dispersion blades 424 are respectively mounted on two sides of the bottom of the inner dispersion device and are fitted in the outer dispersion cavity, the dispersion plate 423 is horizontally mounted at a position with a large width inside the inner feed port 421, and dispersion teeth are disposed on two horizontal surfaces of the dispersion plate 423.
The working principle of the grinding and stirring device in the above technical solution is explained as follows:
when the graphene grinding device is used, a proper amount of graphene is added through the feeding hole 31, because the sizes of particles in the graphene are different, small particles flow to the second grinding and stirring chamber 4 after being screened by the filter plate 323, the driving motor 2 is turned on, the driving shaft 21 is connected with the swing rod 322 to rotate at a high speed, and because the grinding ball 325 is welded at the bottom of the swing rod 322, the grinding ball 325 is in circumferential external impact along with high-speed rotation under the action of gravity and centrifugal force, and the particle size is gradually reduced after the grinding ball 325 grinds large-particle graphene through generated high-strength impact force; at this time, the particle size of the graphene meets the filter aperture of the filter plate 323, and the graphene passes through the filter plate 323 and flows to the second grinding and stirring chamber 4;
in a similar way, after the second grinding and stirring chamber 4 grinds the small-particle graphene by the second-stage grinder 40, the small-particle graphene is filtered and sieved to the two sides of the lower dispersion cavity by the filter plate 323 arranged on the second-stage grinder 40, when the materials fall to the two sides, the high-efficiency separator 42 works, the materials respectively enter the inner feeding hole 421 and the outer feeding hole 422, the high-efficiency separator 42 is provided with the inner feeding hole and the outer feeding hole, the materials are dispersed in batches, when the materials are dispersed in the inner disperser and the outer dispersing cavity respectively, the materials are discharged through the inner feed port 421, the inner disperser rotates at high speed, the cavity where the feed port 421 is located forms a negative pressure cavity, and under the high-speed rotation, the materials in the feed port 421 are collected towards two sides in a vortex shape, the material is discharged from the negative pressure cavity and then sprayed on the dispersion plate 423 due to the narrow upper part and the wide lower part of the feed port 421, and the material is further dispersed by the dispersion plate 423;
the materials discharged from the outer feed port 422 are dispersed under the action of the high-efficiency shearing force of the dispersing blades 424, so that the dispersing difficulty is reduced, the agglomeration force among the materials is effectively broken, the dispersing effect is ensured, the sprayed materials are collected on the material collecting plate 431 to prevent the materials from being influenced by the external environment, and the material collecting plate 431 is taken out after the grinding and stirring are finished;
in order to ensure that the materials can be fully utilized, after the first grinding and stirring chamber 3 finishes grinding, the air pump 321 is opened, the air is directly transmitted to the air pipe 324 inside the grinding ball 325 through the cavity inside the swing rod 322, and the air is sprayed out from the inside and the outside to blow down the materials remained on the surface of the grinding ball 325 and the inner wall of the grinding area, so that the environmental protection performance of the recycling is promoted, and the material waste is reduced.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a multistage agitating unit that grinds of thick liquids of graphite alkene, its structure includes signal pole (1), driving motor (2), first grinding teeter chamber (3), second grinding teeter chamber (4), its characterized in that: the first grinding and stirring chamber (3) is provided with a feeding hole (31) and a first-stage grinder (32), the driving motor (2) is mechanically connected with the first-stage grinder (32) through a driving shaft (21) penetrating through the first grinding and stirring chamber (3), the signal rod (1) is provided with two branches which respectively penetrate through the left side of the second grinding and stirring chamber (4) and are distributed in an up-and-down parallel manner, and the two feeding holes (31) are uniformly arranged at the positions, close to the driving motor (2), of the two ends of the first grinding and stirring chamber (3); a second-stage grinder (40), a driver (41), a high-efficiency separator (42) and a discharging mechanism (43) are arranged inside the second grinding and stirring chamber (4), the second grinding and stirring chamber (4) is divided into an upper grinding chamber and a lower dispersing chamber, the upper grinding chamber is provided with the second-stage grinder (40), the lower dispersing chamber is provided with the driver (41), the high-efficiency separator (42) and the discharging mechanism (43) which are matched and not contacted, the signal output end of the driver (41) is respectively connected to the high-efficiency separator (42) through a coupler in a transmission mode, and the high-efficiency separator (42) is provided with two discharge port bottoms which are horizontally arranged on two sides of the second-stage grinder (40) and are matched with each other; the efficient separator (42) comprises an inner feed port (421), an outer feed port (422), a dispersion plate (423) and dispersion blades (424), wherein the inner feed port (421) forms an inner disperser with a narrow top and a wide bottom, the bottom of the inner disperser is arranged at the central position in an outer dispersion cavity formed by the outer feed port (422), three dispersion blades (424) are respectively arranged on two sides of the bottom of the inner disperser and are matched with the outer dispersion cavity, and the dispersion plate (423) is horizontally arranged at the position with the larger inner width of the inner feed port (421); dispersing teeth are arranged on the upper horizontal surface and the lower horizontal surface of the dispersing plate (423).
2. The multistage grinding and stirring device for graphene slurry according to claim 1, characterized in that: one-level mill (32) are including air pump (321), pendulum rod (322), filter (323), trachea (324), grinding ball (325), air pump (321) are installed between drive shaft (21) and pendulum rod (322), and wherein pendulum rod (322) and drive shaft (21) mechanical connection, the center of grinding ball (325) is run through and is fixed with pendulum rod (322), and filter (323) are installed to both sides at grinding ball (325) lower extreme, grinding ball (325) inside is equipped with trachea (324) that the cooperation was more than two in air pump (321).
3. The multistage grinding and stirring device for graphene slurry according to claim 2, characterized in that: the second-stage grinder (40) is arranged in the second grinding and stirring chamber (4), and the driving end of the second-stage grinder (40) is electrically connected with a first signal branch arranged on the signal rod (1).
4. The multistage grinding and stirring device for graphene slurry according to claim 1 or 3, wherein: the structure function of the secondary grinder (40) is identical to that of the primary grinder (32), but the diameter of the secondary grinder (40) is smaller than that of the primary grinder (32).
5. The multistage grinding and stirring device for graphene slurry according to claim 3, characterized in that: the driver (41) is electrically connected through a second signal branch parallel to the bottom of the first signal branch.
6. The multistage grinding and stirring device for graphene slurry according to claim 1, characterized in that: discharge mechanism (43) comprise by the board (431) that gathers materials, removal wheel (432), handle (433), gather material board (431) and be character cut in bas-relief structure, the both ends are closely laminated and are dispersing the both sides in chamber down, and its bottom is inside at second grinding teeter chamber (4) through two removal wheel (432) clearance fits that are equipped with, and the board (431) that gathers materials is located the right-hand member fixed welding that second ground teeter chamber (4) has handle (433) of semicircular structure, and board (431) and handle (433) are as an organic whole that gathers materials.
7. The multistage grinding and stirring device for graphene slurry according to claim 5, characterized in that: the secondary grinder (40) comprises a filter plate (323); the aperture of the filter plate (323) of the secondary grinder (40) is smaller than that of the filter plate (323) of the primary grinder (32).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811065531.3A CN109201276B (en) | 2018-09-13 | 2018-09-13 | Multistage agitating unit that grinds of thick liquids of graphite alkene |
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| CN201811065531.3A CN109201276B (en) | 2018-09-13 | 2018-09-13 | Multistage agitating unit that grinds of thick liquids of graphite alkene |
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| CN109201276A CN109201276A (en) | 2019-01-15 |
| CN109201276B true CN109201276B (en) | 2020-02-18 |
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| CN112960669B (en) * | 2021-02-01 | 2022-08-30 | 兰州大学 | Preparation device and preparation method of biomedical graphene dispersion liquid |
| CN114471313B (en) * | 2021-12-14 | 2023-08-22 | 浙江永金生物科技有限公司 | Natural ferment soap of fruit ferment and production equipment thereof |
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| US10710094B2 (en) * | 2016-05-18 | 2020-07-14 | Syrah Resources Ltd. | Method and system for precision spheroidisation of graphite |
| CN106311062B (en) * | 2016-08-31 | 2019-08-27 | 无锡东恒新能源科技有限公司 | A kind of graphene slurry preparation system and preparation method thereof |
| KR20180040755A (en) * | 2016-10-12 | 2018-04-23 | 주식회사 덕양 | Making method for graphite |
| CN206296037U (en) * | 2016-12-08 | 2017-07-04 | 成都新柯力化工科技有限公司 | A kind of homogeneous cutter for preparation of industrialization grapheme material |
| CN106607125B (en) * | 2016-12-27 | 2018-11-09 | 成都新柯力化工科技有限公司 | A method of the homogenizer and its stripping graphene of stripping graphene |
| CN107442218B (en) * | 2017-06-25 | 2018-09-11 | 北京敬一科技有限公司 | A kind of slurry multistage grinding agitating device of graphene |
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Effective date of registration: 20200117 Address after: 519000 Area F, First Floor, No. 6 Workshop, Pingdong Second Road, Nanping Science and Technology Industrial Park, Zhuhai City, Guangdong Province Applicant after: Zehui New Energy Materials Research Institute (Zhuhai) Co., Ltd. Address before: 518054 8D, Block B, Haiwang Building, 2225 Nanhai Avenue, Nanshan Street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: Zehui New Materials (Shenzhen) R&D Center |
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Address after: 519000 No. 5, Keji 8th Road, Tangjiawan Town, high tech Zone, Zhuhai, Guangdong Patentee after: Changyuan Zehui New Energy Materials Research Institute (Zhuhai) Co.,Ltd. Address before: 519000 Area F, First Floor, No. 6 Workshop, Pingdong Second Road, Nanping Science and Technology Industrial Park, Zhuhai City, Guangdong Province Patentee before: Zehui New Energy Materials Research Institute (Zhuhai) Co.,Ltd. |