CN111318242A - Graphene composite material preparation device and method and composite material - Google Patents
Graphene composite material preparation device and method and composite material Download PDFInfo
- Publication number
- CN111318242A CN111318242A CN201811542178.3A CN201811542178A CN111318242A CN 111318242 A CN111318242 A CN 111318242A CN 201811542178 A CN201811542178 A CN 201811542178A CN 111318242 A CN111318242 A CN 111318242A
- Authority
- CN
- China
- Prior art keywords
- graphite rod
- fixed
- composite material
- movable
- graphene composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0006—Controlling or regulating processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0809—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes employing two or more electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0816—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes involving moving electrodes
- B01J2219/0818—Rotating electrodes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0837—Details relating to the material of the electrodes
- B01J2219/0839—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0881—Two or more materials
- B01J2219/089—Liquid-solid
Abstract
The invention provides a graphene composite material preparation device and method and a composite material, wherein the graphene composite material preparation device comprises a barrel body, a fixed graphite rod, a movable graphite rod, a driving mechanism, a supporting mechanism, an adjusting mechanism and a circulating mechanism; the barrel body and the driving mechanism are fixed through a supporting mechanism; the top and the bottom of the barrel body are communicated by the circulating mechanism; the adjusting mechanism is arranged between the barrel body and the supporting mechanism; the upper end of the fixed graphite rod is fixed at the top of the barrel body, and the lower end of the fixed graphite rod inwards forms a conical concave surface; the upper end of the movable graphite rod is fixed on the driving mechanism, and the lower end of the movable graphite rod is provided with a conical convex surface which is matched with the conical concave surface; the fixed graphite rod and the movable graphite rod are coaxially arranged and are separated by a preset distance; the movable graphite rod is driven by the driving mechanism to rotate circumferentially; the fixed graphite rod and the movable graphite rod are coaxially arranged; the top of the barrel body is provided with a feed inlet, and the movable graphite rod is provided with a feed inlet which is coaxial with the feed inlet; the upper end of the movable graphite rod is provided with a blind hole corresponding to the feeding hole; the fixed graphite rod and the movable graphite rod are connected with a power line.
Description
Technical Field
The invention relates to the technical field of graphene materials, in particular to a graphene composite material preparation device and method and a composite material.
Background
In the traditional production of graphene composite metal and non-metal materials, a mechanical stripping method and an expanded graphite intercalation method are adopted to produce graphene, and then graphene powder is added into a molten metal solution and a molten non-metal solution by a blending method. In the process of adding a high-temperature molten metal solution and a high-temperature non-metal solution into graphene powder, due to agglomeration among graphene sheet layers, the graphene is not uniformly dispersed in the high-temperature metal solution and the high-temperature non-metal solution, so that the quality of composite metal and non-metal materials of the graphene is influenced, the production process is complex, the environment is seriously polluted, and the graphene powder cannot be popularized and applied.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a graphene composite material preparation apparatus, method and composite material, which have a simple overall structure, do not need to first prepare graphene, and do not need to melt a metal solution and a nonmetal solution at high temperature, and can produce graphene composite metal and nonmetal materials at normal temperature.
The invention provides a graphene composite material preparation device which comprises a barrel body, a fixed graphite rod, a movable graphite rod, a driving mechanism, a supporting mechanism, an adjusting mechanism and a circulating mechanism, wherein the fixed graphite rod is arranged on the barrel body; the barrel body and the driving mechanism are fixed through the supporting mechanism; the circulating mechanism is used for communicating the top and the bottom of the barrel body; the adjusting mechanism is arranged between the barrel body and the supporting mechanism; the upper end of the fixed graphite rod is fixed at the top of the barrel body, and the lower end of the fixed graphite rod inwards forms a conical concave surface; the upper end of the movable graphite rod is fixed on the driving mechanism, and the lower end of the movable graphite rod is provided with a conical convex surface which is matched with the conical concave surface; the fixed graphite rod and the movable graphite rod are coaxially arranged and are separated by a preset distance; the movable graphite rod is driven by the driving mechanism to rotate circumferentially; the fixed graphite rod and the movable graphite rod are coaxially arranged; the top of the barrel body is provided with a feed inlet, and the movable graphite rod is provided with a feed inlet which is coaxial with the feed inlet; the upper end of the movable graphite rod is provided with a blind hole corresponding to the feeding hole; the upper end of the fixed graphite rod and the lower end of the movable graphite rod are respectively connected with a power line, and the power lines are connected with an external power supply.
In an embodiment of the present invention, the driving mechanism includes a motor, a disc, a sliding sleeve, a slip ring, a carbon brush assembly, and a bearing assembly; the motor is fixed on the supporting assembly, a sliding sleeve is sleeved on an output shaft of the motor, an external spline is arranged on the output shaft of the motor, an internal spline is arranged at the part, sleeved on the output shaft, of the sliding sleeve, and the external spline is meshed with the internal spline; the disc, the slip ring and the bearing assembly are sequentially sleeved on the slip sleeve from top to bottom; the carbon brush assembly is sleeved on the slip ring; the carbon brush assembly is abutted with the slip ring; the slip ring is connected with the movable graphite rod through a power line, and the carbon brush assembly is connected with an external power supply through the power line.
In an embodiment of the present invention, the bearing assembly includes a bearing chamber, a bearing, an inner snap spring and an outer snap spring, and the bearing, the inner snap spring and the outer snap spring are all in the bearing chamber; two sides of the bearing are respectively abutted against the bearing chamber and the sliding sleeve; the inner clamp spring is clamped between the lower side of the bearing and the bearing chamber; the outer clamp spring is clamped between the lower side of the bearing and the sliding sleeve; the carbon brush assembly comprises a carbon brush bracket, a carbon brush and a spring; the carbon brush support is fixed on the bearing chamber; an accommodating cavity with an opening facing the slip ring is formed in the carbon brush support, one end of the carbon brush is arranged in the accommodating cavity, and the other end of the carbon brush is abutted to the slip ring; and two ends of the spring are respectively abutted against the carbon brush and the carbon brush bracket.
In an embodiment of the present invention, the supporting mechanism includes three pillars, three supporting arms, three bottom legs, a motor fixing bracket and a motor shield; the three support columns are uniformly and vertically fixed in the barrel body along the circumference, and the positions of the support arms and the bottom legs correspond to the positions of the support columns; the bottom legs are fixed at the bottom of the barrel body; one end of each supporting arm is fixed on the bearing chamber, and the other end of each supporting arm is fixed on the corresponding support column; the motor fixing support is fixed three on the pillar and the level setting, the motor is fixed the lower part of motor fixing support, the through-hole has been seted up to the center department of motor fixing support, the output of motor passes the through-hole, the output of motor with be equipped with the sealing washer between the through-hole.
In an embodiment of the present invention, the barrel body includes an upper end cover, a material gathering barrel and a material collecting barrel; the upper end cover is covered on the upper part of the material gathering barrel, and the lower part of the material gathering barrel is inserted into the upper part of the material collecting barrel; the material gathering barrel is communicated up and down and the diameter of the material gathering barrel is smaller than that of the material gathering barrel.
In an embodiment of the present invention, the preparation apparatus includes three of the adjusting mechanisms; the position of the adjusting mechanism corresponds to the position of the supporting arm; the adjusting mechanism comprises an adjusting screw and a tension spring; the adjusting screw rod penetrates through the upper end cover, the upper end of the tension spring is fixed on the adjusting screw rod, and the lower end of the tension spring is fixed on the supporting arm.
In an embodiment of the present invention, the circulation mechanism includes a circulation pipe, a circulation pump and a discharge valve; the discharge gate has been seted up to the staving bottom, the both ends of circulating pipe are connected respectively the feed inlet with between the discharge gate, the baiting valve sets up on the circulating pipe, the circulating pump sets up the discharge gate with between the baiting valve, and with the circulating pipe is linked together.
The invention also provides a preparation method of the graphene composite material, which is characterized in that the preparation device of the graphene composite material comprises the following steps: s1, injecting the mixed solution; s2, starting the circulating mechanism; s3, adjusting the distance between the movable graphite rod and the fixed graphite rod through the adjusting mechanism; s4, starting a driving mechanism to drive the movable graphite rod to rotate; s5, an external power supply is switched on, and the power supply line respectively supplies power to the moving graphite rod and the fixed graphite rod, so that an electric field is formed between the moving graphite rod and the fixed graphite rod; s6, the electric field carries out arc breaking on the mixed solution and the graphite to form mixed solution; s7, judging whether the content of graphene in the mixed solution reaches a preset parameter or not; if not, returning to the step S2; if yes, entering the next step; s8, closing the preparation device, and discharging the mixed liquid from the barrel body; and S9, precipitating the mixed solution, centrifuging and separating out the graphene composite material.
In an embodiment of the invention, when the mixed solution injected in the step S1 is a particle solution, the step S6 includes the steps of: s61, the electric field ignites the electric arc to break the particle discharge; s62, the moving graphite rod and the fixed graphite rod generate instantaneous high temperature to the particles and are broken into graphite sheets; and S63, bonding the crushed particles and the graphite sheet layer into a whole in a high-temperature molten state to form a mixed solution.
The invention also provides a graphene composite material, which is prepared by the graphene composite material preparation device and the graphene composite material preparation method.
As described above, the graphene composite material preparation device, method and composite material of the present invention have the following beneficial effects:
overall structure is simple, need not produce graphite alkene earlier, does not need high temperature to dissolve metallic solution, high temperature to dissolve non-metallic solution, can produce graphite alkene combined metal, non-metallic material under normal atmospheric temperature, and overall structure is simple, and production technology is less, is fit for automatic operation, and whole production manufacturing process is pollution-free, no waste gas, no waste water, no waste material discharge, and graphite alkene doping is even.
Drawings
Fig. 1 is a schematic view showing an internal structure of a graphene composite material preparation apparatus according to the present invention.
Fig. 2 is a schematic structural diagram of a graphene composite material preparation apparatus according to the present invention during operation.
Fig. 3 is a schematic view showing an external structure of a graphene composite material preparation apparatus according to the present invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic block flow diagram of a method for preparing a graphene composite material according to the present invention.
Element number description:
1. the device comprises a feeding hole, 2, a through hole, 3, a fixed graphite rod, 4, a crack, 5, an adjusting screw rod, 6, a movable graphite rod, 7, an upper end cover, 8, a tension spring, 9, a sliding sleeve, 10, a support column, 11, a disc, 12, a power line, 13, a sliding ring, 14, a carbon brush, 15, a carbon brush support, 16, an internal spline, 17, a supporting arm, 18, a bearing chamber, 19, a bearing, 20, an internal snap spring, 21, an external snap spring, 22, an external spline, 23, a motor fixing support, 24, a sealing ring, 25, a motor, 26, a motor shield, 27, a collecting barrel, 28, a mixed liquid, 29, a bottom leg, 30, a circulating pump, 31, a discharging valve, 32, a blind hole, 33, a collecting barrel, 34 and a feeding hole.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1 to 5, it should be understood that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for understanding and reading the disclosure, and are not used to limit the conditions that the present invention can be implemented, so they have no technical significance, and any structural modifications, ratio changes or size adjustments should fall within the scope of the present invention without affecting the function and the achievable object of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 4, fig. 1 is a schematic view illustrating an internal structure of a graphene composite material preparation apparatus according to the present invention. Fig. 2 is a schematic structural diagram of a graphene composite material preparation apparatus according to the present invention during operation. Fig. 3 is a schematic view showing an external structure of a graphene composite material preparation apparatus according to the present invention. Fig. 4 is a top view of fig. 3. The invention provides a graphene composite material preparation device, which comprises a barrel body, a fixed graphite rod 3, a movable graphite rod 6, a driving mechanism, a supporting mechanism, an adjusting mechanism and a circulating mechanism, wherein the fixed graphite rod is fixed on the barrel body; the barrel body and the driving mechanism are fixed through a supporting mechanism; the top and the bottom of the barrel body are communicated by the circulating mechanism; the adjusting mechanism is arranged between the barrel body and the supporting mechanism; the upper end of the fixed graphite rod 3 is fixed on the top of the barrel body, and the lower end of the fixed graphite rod is inwards formed into a conical concave surface; the upper end of the movable graphite rod 6 is fixed on the driving mechanism, and the lower end is provided with a conical convex surface which is matched with the conical concave surface; the fixed graphite rod 3 and the movable graphite rod 6 are coaxially arranged and are separated by a preset distance; the movable graphite rod 6 is driven by the driving mechanism to rotate circumferentially; the fixed graphite rod 3 and the movable graphite rod 6 are coaxially arranged; the top of the barrel body is provided with a feed inlet 1, and the movable graphite rod 6 is provided with a feed inlet 1 which is coaxial with the feed inlet 1; the upper end of the movable graphite rod 6 is provided with a blind hole 32 corresponding to the feed inlet 1; the upper end of the fixed graphite rod 3 and the lower end of the movable graphite rod 6 are respectively connected with a power line 12, and the power line 12 is connected with an external power supply.
In one embodiment of the invention, the driving mechanism comprises a motor 25, a disc 11, a sliding sleeve 9, a sliding ring 13, a carbon brush 14 assembly and a bearing 19 assembly; the motor 25 is fixed on the supporting component, the output shaft of the motor 25 is sleeved with the sliding sleeve 9, the output shaft of the motor 25 is provided with the external spline 22, the part of the output shaft sleeved with the sliding sleeve 9 is provided with the internal spline 16, and the external spline 22 is meshed with the internal spline 16; the disc 11, the sliding ring 13 and the bearing 19 are sequentially sleeved on the sliding sleeve 9 from top to bottom; the carbon brush 14 assembly is sleeved on the slip ring 13; the carbon brush 14 assembly is abutted with the slip ring 13; the slip ring 13 is connected with the moving graphite rod 6 through a power line 12, and the carbon brush 14 assembly is connected with an external power supply through the power line 12.
Further, the bearing 19 assembly comprises a bearing chamber 18, a bearing 19, an inner snap spring 20 and an outer snap spring 21, and the bearing 19, the inner snap spring 20 and the outer snap spring 21 are all arranged in the bearing chamber 18; the two sides of the bearing 19 are respectively abutted against the bearing chamber 18 and the sliding sleeve 9; the inner snap spring 20 is clamped between the lower side of the bearing 19 and the bearing chamber 18; the outer snap spring 21 is clamped between the lower side of the bearing 19 and the sliding sleeve 9; the carbon brush 14 assembly comprises a carbon brush support 15, a carbon brush 14 and a spring; the carbon brush support 15 is fixed on the bearing chamber 18; an accommodating cavity with an opening facing the slip ring 13 is formed in the carbon brush support 15, one end of the carbon brush 14 is arranged in the accommodating cavity, and the other end of the carbon brush is abutted to the slip ring 13; two ends of the spring are respectively abutted against the carbon brush 14 and the carbon brush holder 15.
Preferably, the support mechanism comprises three support posts 10, three support arms 17, three bottom legs 29, a motor fixing bracket 23 and a motor shield 26; the three pillars 10 are uniformly and vertically fixed in the barrel along the circumference, and the positions of the supporting arm 17 and the bottom leg 29 correspond to the pillars 10; the bottom leg 29 is fixed at the bottom of the barrel body; one end of the supporting arm 17 is fixed on the bearing chamber 18, and the other end is fixed on the corresponding pillar 10; the motor fixing support 23 is fixed on the three support columns 10 and horizontally arranged, the motor 25 is fixed at the lower part of the motor fixing support 23, the through hole 2 is formed in the center of the motor fixing support 23, the output end of the motor 25 penetrates through the through hole 2, and the sealing ring 24 is arranged between the output end of the motor 25 and the through hole 2. The barrel body comprises an upper end cover 7, a material gathering barrel 33 and a material gathering barrel 27; the upper end cover 7 is covered on the upper part of the material gathering barrel 33, and the lower part of the material gathering barrel 33 is inserted on the upper part of the material collecting barrel 27; the gathering barrel 33 is through from top to bottom and has a smaller diameter than the gathering barrel 27. Typically, a feed port 34 is also provided on one side of the aggregate barrel for initial feeding or other feeding situations.
Further, the preparation device comprises three adjusting mechanisms; the position of the adjusting mechanism corresponds to the position of the supporting arm 17; the adjusting mechanism comprises an adjusting screw rod 5 and a tension spring 8; adjusting screw 5 wears to locate upper end cover 7, and the upper end of extension spring 8 is fixed on adjusting screw 5, and the lower extreme is fixed on support arm 17. Preferably, the circulation mechanism includes a circulation pipe, a circulation pump 30 and a discharge valve 31; the discharge gate has been seted up to the staving bottom, and the both ends of circulating pipe are connected respectively between feed inlet 1 and discharge gate, and baiting valve 31 sets up on the circulating pipe, and circulating pump 30 sets up between discharge gate and baiting valve 31, and is linked together with the circulating pipe.
When the added mixed solution is the metal particle mixed solution, the friction between the end faces of the fixed graphite rod 3 and the movable graphite rod 6 with the through hole 2 drilled in the center is utilized, the metal particle mixed solution is injected into the through hole 2 in the center of the fixed graphite rod 3, the metal particle mixed solution flows into the crack 4 between the end faces of the movable graphite rod 6 and the fixed graphite rod 3, electric fields are respectively introduced into the movable graphite rod 6 and the fixed graphite rod 3, and the electric field on the movable graphite rod 6 is introduced through the slip ring 13 and the carbon brush 14. Under the friction of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, the metal particles in the mixed solution are opposite to the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, the resistance is minimum, the electric arc bombardment is initiated between the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, during the process of melting and crushing the metal particles through the electric arc bombardment, the graphite per se can also splash out of the graphene sheet layer at the instant high temperature formed by the metal bombarded by the electric arc, the sputtered graphene sheet layer can be bonded by the metal particles in the melting state, after the metal particles are bonded with the graphene sheet layer, the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3 flow out under the liquid wrapping, the metal particles adhered with the graphene sheet layers flow out, and the temperature is reduced quickly due to the electric arc bombardment of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, so that the graphene sheet layers adhered by the metal particles are not easy to fall off. The process is repeatedly circulated, larger metal particles are continuously bombarded by electric arcs at the end faces of the crack 4 of the fixed graphite rod 3 and the passive graphite rod 6 until set parameters are reached, the metal particles adhered with the graphene sheet layers at the same level are separated by a centrifugal machine, and can be used for smelting and casting workpieces, and in the process of smelting and casting the workpieces, the metal particles adhered with the graphene sheet layers are uniformly distributed in the workpieces because the metal particles adhered with the graphene sheet layers are uniformly distributed, and the graphene in the manufactured graphene metal composite material is also uniformly distributed.
When the added mixed solution is a metal particle mixed solution, the friction between the end faces of the fixed graphite rod 3 and the movable graphite rod 6 with the through hole 2 drilled in the center is utilized, the non-metal particle mixed solution is injected into the through hole 2 in the center of the fixed graphite rod 3, the non-metal particle mixed solution flows into the crack 4 between the end faces of the movable graphite rod 6 and the fixed graphite rod 3, electric fields are respectively introduced into the movable graphite rod 6 and the fixed graphite rod 3, and the electric field on the movable graphite rod 6 is introduced through the slip ring 13 and the carbon brush 14. Under the friction of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, part of spherical surfaces of the nonmetal particles in the mixed solution can be bonded with the graphite particles to form low-resistance conductive spherical surfaces, so that the arc bombardment of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3 is caused, the nonmetal particles bombarded by the arc are bonded with the part of spherical surfaces of the graphite particles, the instantaneous high temperature generated by the arc bombardment of the graphite particles can melt the nonmetal particles to be bonded with the part of spherical surfaces of the graphite particles, so that the nonmetal particles are split, the split nonmetal particles are shattered by the arc, the splashed high-temperature graphene sheet layer and the melted nonmetal particles are bonded together, the nonmetal particles flow out of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3 under the liquid wrapping condition, the nonmetal particles bonding the graphene sheet layer flow out, and are bombarded by the end faces of the crack 4, the temperature is reduced quickly, and the graphene sheet layer bonded by the nonmetal particles is not easy to fall off. The process is repeatedly circulated, the larger non-metal particles are continuously bombarded by the electric arc of the end face of the crack 4 between the fixed graphite rod 3 and the graphite rod 6 until the set parameters are reached, and the non-metal particles with the same level of the bonded graphene sheet layer are separated by a centrifugal machine, so that the non-metal particles can be used for manufacturing workpieces. In the process of using the non-metal particles bonded with the graphene sheet layer in the workpiece, as the non-metal particles bonded with the graphene sheet layer are uniformly distributed in the workpiece, the graphene in the manufactured graphene non-metal composite material is also uniformly distributed.
As shown in fig. 5, fig. 5 is a schematic block flow diagram of a method for preparing a graphene composite material according to the present invention. The invention also provides a preparation method of the graphene composite material, and the preparation device of the graphene composite material comprises the following steps: s1, injecting the mixed solution; s2, starting a circulating mechanism; s3, adjusting the distance between the movable graphite rod 6 and the fixed graphite rod 3 through an adjusting mechanism; s4, starting a driving mechanism to drive the graphite rod 6 to rotate; s5, an external power supply is switched on, the power line 12 supplies power to the moving graphite rod 6 and the fixed graphite rod 3 respectively, and an electric field is formed between the moving graphite rod 6 and the fixed graphite rod 3; s6, the electric field breaks the mixed solution and the graphite into mixed solution 28; s7, judging whether the content of the graphene in the mixed liquid 28 reaches a preset parameter or not; if not, returning to the step S2; if yes, entering the next step; s8, closing the preparation device, and discharging the mixed liquid 28 from the barrel body; and S9, precipitating the mixed solution 28, centrifuging and separating out the graphene composite material.
In an embodiment of the invention, when the mixed solution injected in the step S1 is a metal solution, the step S6 includes the steps of: s61, the electric field ignites the electric arc to break the particle discharge; s62, the moving graphite rod 6 and the fixed graphite rod 3 generate instantaneous high temperature to the particles and are broken into graphite sheets; s63, the crushed particles and the graphite sheet are bonded together in a high-temperature molten state to form a mixed liquid 28.
When the added mixed solution is the metal particle mixed solution, the friction between the end faces of the fixed graphite rod 3 and the movable graphite rod 6 with the through hole 2 drilled in the center is utilized, the metal particle mixed solution is injected into the through hole 2 in the center of the fixed graphite rod 3, the metal particle mixed solution flows into the crack 4 between the end faces of the movable graphite rod 6 and the fixed graphite rod 3, electric fields are respectively introduced into the movable graphite rod 6 and the fixed graphite rod 3, and the electric field on the movable graphite rod 6 is introduced through the slip ring 13 and the carbon brush 14. Under the friction of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, the metal particles in the mixed solution are opposite to the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, the resistance is minimum, the electric arc bombardment is initiated between the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, during the process of melting and crushing the metal particles through the electric arc bombardment, the graphite per se can also splash out of the graphene sheet layer at the instant high temperature formed by the metal bombarded by the electric arc, the sputtered graphene sheet layer can be bonded by the metal particles in the melting state, after the metal particles are bonded with the graphene sheet layer, the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3 flow out under the liquid wrapping, the metal particles adhered with the graphene sheet layers flow out, and the temperature is reduced quickly due to the electric arc bombardment of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, so that the graphene sheet layers adhered by the metal particles are not easy to fall off. The process is repeatedly circulated, larger metal particles are continuously bombarded by electric arcs at the end faces of the crack 4 of the fixed graphite rod 3 and the passive graphite rod 6 until set parameters are reached, the metal particles adhered with the graphene sheet layers at the same level are separated by a centrifugal machine, and can be used for smelting and casting workpieces, and in the process of smelting and casting the workpieces, the metal particles adhered with the graphene sheet layers are uniformly distributed in the workpieces because the metal particles adhered with the graphene sheet layers are uniformly distributed, and the graphene in the manufactured graphene metal composite material is also uniformly distributed.
When the added mixed solution is a metal particle mixed solution, the friction between the end faces of the fixed graphite rod 3 and the movable graphite rod 6 with the through hole 2 drilled in the center is utilized, the non-metal particle mixed solution is injected into the through hole 2 in the center of the fixed graphite rod 3, the non-metal particle mixed solution flows into the crack 4 between the end faces of the movable graphite rod 6 and the fixed graphite rod 3, electric fields are respectively introduced into the movable graphite rod 6 and the fixed graphite rod 3, and the electric field on the movable graphite rod 6 is introduced through the slip ring 13 and the carbon brush 14. Under the friction of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3, part of spherical surfaces of the nonmetal particles in the mixed solution can be bonded with the graphite particles to form low-resistance conductive spherical surfaces, so that the arc bombardment of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3 is caused, the nonmetal particles bombarded by the arc are bonded with the part of spherical surfaces of the graphite particles, the instantaneous high temperature generated by the arc bombardment of the graphite particles can melt the nonmetal particles to be bonded with the part of spherical surfaces of the graphite particles, so that the nonmetal particles are split, the split nonmetal particles are shattered by the arc, the splashed high-temperature graphene sheet layer and the melted nonmetal particles are bonded together, the nonmetal particles flow out of the end faces of the crack 4 between the moving graphite rod 6 and the fixed graphite rod 3 under the liquid wrapping condition, the nonmetal particles bonding the graphene sheet layer flow out, and are bombarded by the end faces of the crack 4, the temperature is reduced quickly, and the graphene sheet layer bonded by the nonmetal particles is not easy to fall off. The process is repeatedly circulated, the larger non-metal particles are continuously bombarded by the electric arc of the end face of the crack 4 between the fixed graphite rod 3 and the graphite rod 6 until the set parameters are reached, and the non-metal particles with the same level of the bonded graphene sheet layer are separated by a centrifugal machine, so that the non-metal particles can be used for manufacturing workpieces. In the process of using the non-metal particles bonded with the graphene sheet layer in the workpiece, as the non-metal particles bonded with the graphene sheet layer are uniformly distributed in the workpiece, the graphene in the manufactured graphene non-metal composite material is also uniformly distributed.
The invention also provides a graphene composite material, which is prepared by the graphene composite material preparation method by adopting the graphene composite material preparation device.
In summary, the graphene composite material preparation device, method and composite material provided by the invention have the advantages of simple overall structure, no need of manufacturing graphene, no need of melting metal solution at high temperature and non-metal solution at high temperature, capability of producing graphene composite metal and non-metal materials at normal temperature, simple overall structure, less production process, suitability for automatic operation, no pollution, no waste gas, no waste water and no waste material discharge in the whole production and manufacturing process, and uniform graphene doping. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A graphene composite material preparation device is characterized by comprising a barrel body, a fixed graphite rod (3), a movable graphite rod (6), a driving mechanism, a supporting mechanism, an adjusting mechanism and a circulating mechanism;
the barrel body and the driving mechanism are fixed through the supporting mechanism; the circulating mechanism is used for communicating the top and the bottom of the barrel body; the adjusting mechanism is arranged between the barrel body and the supporting mechanism;
the upper end of the fixed graphite rod (3) is fixed at the top of the barrel body, and the lower end of the fixed graphite rod inwards forms a conical concave surface; the upper end of the movable graphite rod (6) is fixed on the driving mechanism, and the lower end of the movable graphite rod is provided with a conical convex surface which is matched with the conical concave surface; the fixed graphite rod (3) and the movable graphite rod (6) are coaxially arranged and are separated by a preset distance;
the movable graphite rod (6) is driven by the driving mechanism to rotate circumferentially; the fixed graphite rod (3) and the movable graphite rod (6) are coaxially arranged;
the top of the barrel body is provided with a feed inlet (1), and the movable graphite rod (6) is provided with the feed inlet (1) which is coaxial with the feed inlet (1); the upper end of the movable graphite rod (6) is provided with a blind hole (32) corresponding to the feed inlet (1);
the upper end of the fixed graphite rod (3) and the lower end of the movable graphite rod (6) are respectively connected with a power line (12), and the power line (12) is connected with an external power supply.
2. The graphene composite material preparation apparatus according to claim 1, wherein the driving mechanism includes a motor (25), a disc (11), a sliding sleeve (9), a sliding ring (13), a carbon brush (14) assembly and a bearing (19) assembly;
the motor (25) is fixed on the supporting component, a sliding sleeve (9) is sleeved on an output shaft of the motor (25), an external spline (22) is arranged on the output shaft of the motor (25), an internal spline (16) is arranged at the part, sleeved on the output shaft, of the sliding sleeve (9), and the external spline (22) is meshed with the internal spline (16);
the disc (11), the sliding ring (13) and the bearing (19) are sequentially sleeved on the sliding sleeve (9) from top to bottom; the carbon brush (14) assembly is sleeved on the slip ring (13); the carbon brush (14) component is abutted with the slip ring (13); the slip ring (13) is connected with the movable graphite rod (6) through a power line (12), and the carbon brush (14) assembly is connected with an external power supply through the power line (12).
3. The graphene composite material preparation apparatus according to claim 2, wherein the bearing (19) assembly includes a bearing chamber (18), a bearing (19), an inner snap spring (20), and an outer snap spring (21), the bearing (19), the inner snap spring (20), and the outer snap spring (21) being all within the bearing chamber (18); two sides of the bearing (19) are respectively abutted against the bearing chamber (18) and the sliding sleeve (9); the inner clamp spring (20) is clamped between the lower side of the bearing (19) and the bearing chamber (18); the outer snap spring (21) is clamped between the lower side of the bearing (19) and the sliding sleeve (9);
the carbon brush (14) assembly comprises a carbon brush support (15), a carbon brush (14) and a spring; the carbon brush support (15) is fixed on the bearing chamber (18); an accommodating cavity with an opening facing the slip ring (13) is formed in the carbon brush support (15), one end of the carbon brush (14) is arranged in the accommodating cavity, and the other end of the carbon brush is abutted to the slip ring (13); and two ends of the spring are respectively abutted against the carbon brush (14) and the carbon brush support (15).
4. The graphene composite material preparation apparatus according to claim 3, wherein the support mechanism includes three support posts (10), three support arms (17), three bottom legs (29), a motor fixing bracket (23), and a motor shield (26);
the three support columns (10) are uniformly and vertically fixed in the barrel along the circumference, and the positions of the support arms (17) and the bottom legs (29) correspond to the positions of the support columns (10); the bottom legs (29) are fixed at the bottom of the barrel body;
one end of the supporting arm (17) is fixed on the bearing chamber (18), and the other end is fixed on the corresponding strut (10);
motor fixed bolster (23) are fixed threely on pillar (10) and the level set up, motor (25) are fixed the lower part of motor fixed bolster (23), through-hole (2) have been seted up in the center department of motor fixed bolster (23), the output of motor (25) passes through-hole (2), the output of motor (25) with be equipped with sealing washer (24) between through-hole (2).
5. The graphene composite material preparation apparatus according to claim 4, wherein the barrel body includes an upper end cover (7), a material gathering barrel (33), and a material gathering barrel (27); the upper end cover (7) is arranged on the upper part of the material gathering barrel (33) in a covering mode, and the lower part of the material gathering barrel (33) is inserted into the upper part of the material collecting barrel (27); the material gathering barrel (33) is communicated up and down and the diameter of the material gathering barrel is smaller than that of the material collecting barrel (27).
6. The graphene composite material preparation apparatus according to claim 5, wherein the preparation apparatus includes three of the adjustment mechanisms; the position of the adjusting mechanism corresponds to the position of the supporting arm (17);
the adjusting mechanism comprises an adjusting screw rod (5) and a tension spring (8); adjusting screw (5) wear to locate upper end cover (7), the upper end of extension spring (8) is fixed on adjusting screw (5), and the lower extreme is fixed on support arm (17).
7. The graphene composite material preparation apparatus according to claim 1,
the circulating mechanism comprises a circulating pipe, a circulating pump (30) and a discharge valve (31); the feed inlet (1) and between the discharge gate are connected respectively to the both ends of staving bottom, the baiting valve (31) sets up on the circulating pipe, circulating pump (30) set up the discharge gate with between the baiting valve (31), and with the circulating pipe is linked together.
8. A graphene composite material preparation method, characterized in that the graphene composite material preparation apparatus according to any one of claims 1 to 7 is used, and comprises the steps of:
s1, injecting the mixed solution;
s2, starting the circulating mechanism;
s3, adjusting the distance between the movable graphite rod (6) and the fixed graphite rod (3) through the adjusting mechanism;
s4, starting a driving mechanism to drive the movable graphite rod (6) to rotate;
s5, an external power supply is switched on, and the power wire (12) respectively supplies power to the movable graphite rod (6) and the fixed graphite rod (3) to form an electric field between the movable graphite rod (6) and the fixed graphite rod (3);
s6, the electric field carries out arc breaking on the mixed solution and the graphite to form mixed solution (28);
s7, judging whether the content of graphene in the mixed liquid (28) reaches a preset parameter or not; if not, returning to the step S2; if yes, entering the next step;
s8, closing the preparation device and discharging the mixed liquid (28) from the barrel body;
and S9, precipitating the mixed solution (28), centrifuging and separating out the graphene composite material.
9. The method for preparing the graphene composite material according to claim 8, wherein the mixed solution injected in the step S1 is a microparticle solution, and the step S6 includes the steps of:
s61, the electric field ignites the electric arc to break the particle discharge;
s62, the moving graphite rod (6) and the fixed graphite rod (3) generate instantaneous high temperature to the particles and are broken into graphite sheets;
s63, the crushed particles and the graphite sheet layer are bonded together in a high-temperature molten state to form a mixed liquid (28).
10. A graphene composite material, which is prepared by the method for preparing a graphene composite material according to any one of claims 8 to 9, using the apparatus for preparing a graphene composite material according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542178.3A CN111318242A (en) | 2018-12-17 | 2018-12-17 | Graphene composite material preparation device and method and composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542178.3A CN111318242A (en) | 2018-12-17 | 2018-12-17 | Graphene composite material preparation device and method and composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111318242A true CN111318242A (en) | 2020-06-23 |
Family
ID=71165197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811542178.3A Pending CN111318242A (en) | 2018-12-17 | 2018-12-17 | Graphene composite material preparation device and method and composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111318242A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681015A (en) * | 2021-08-23 | 2021-11-23 | 余寿添 | Production process of graphene composite metal particles |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437364A (en) * | 2014-11-05 | 2015-03-25 | 中国科学院等离子体物理研究所 | Preparation method of graphene loaded nano zero-valent ferrum composite material and recycling method of composite material after adsorbing pollutants |
| CN104846418A (en) * | 2015-04-10 | 2015-08-19 | 南京理工大学 | Preparation technology for dual-pulse electrodeposition based graphene/nickel based composite coating |
| US20170217776A1 (en) * | 2012-06-12 | 2017-08-03 | The George Washington University | System and method for mass production of graphene platelets in arc plasma |
| CN107311162A (en) * | 2017-06-30 | 2017-11-03 | 上海地霸电子科技有限公司 | A kind of continuous production graphene device |
| CN107611376A (en) * | 2017-08-22 | 2018-01-19 | 哈尔滨工程大学 | A kind of preparation method of graphene parcel silicon particle composite |
| CN108238598A (en) * | 2018-04-20 | 2018-07-03 | 上海地霸电子科技有限公司 | A kind of mechanical device of continuous production graphene |
-
2018
- 2018-12-17 CN CN201811542178.3A patent/CN111318242A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170217776A1 (en) * | 2012-06-12 | 2017-08-03 | The George Washington University | System and method for mass production of graphene platelets in arc plasma |
| CN104437364A (en) * | 2014-11-05 | 2015-03-25 | 中国科学院等离子体物理研究所 | Preparation method of graphene loaded nano zero-valent ferrum composite material and recycling method of composite material after adsorbing pollutants |
| CN104846418A (en) * | 2015-04-10 | 2015-08-19 | 南京理工大学 | Preparation technology for dual-pulse electrodeposition based graphene/nickel based composite coating |
| CN107311162A (en) * | 2017-06-30 | 2017-11-03 | 上海地霸电子科技有限公司 | A kind of continuous production graphene device |
| CN107611376A (en) * | 2017-08-22 | 2018-01-19 | 哈尔滨工程大学 | A kind of preparation method of graphene parcel silicon particle composite |
| CN108238598A (en) * | 2018-04-20 | 2018-07-03 | 上海地霸电子科技有限公司 | A kind of mechanical device of continuous production graphene |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681015A (en) * | 2021-08-23 | 2021-11-23 | 余寿添 | Production process of graphene composite metal particles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102161130B (en) | A special stirring head employing friction stirring method to mix aluminum and low melting point metal | |
| DE2349742C2 (en) | Process for the production of pre-alloyed metal powder | |
| US3099041A (en) | Method and apparatus for making powder | |
| CN111318242A (en) | Graphene composite material preparation device and method and composite material | |
| CN106660060A (en) | Thermal spray assembly and method for using it | |
| CN108856973B (en) | Electric arc welding system capable of adjusting external magnetic field | |
| CN107008913A (en) | A kind of vertical powder manufacturing apparatus of plasma rotating electrode and flouring technology | |
| CN109809395B (en) | Method and device for directly producing graphene composite particle material from graphite | |
| JP6999256B1 (en) | Equipment for continuously producing semi-solid slurry from metal powder | |
| CN111320163A (en) | Graphene mixed solution preparation device and method and mixed solution | |
| CN203124742U (en) | Device for manufacturing spherical powder with rotating electrode | |
| KR940005229B1 (en) | Lead containing copper alloy bearing | |
| CN203534209U (en) | Electrode-circle-adjustable electrode device for submerged arc furnace | |
| CN109382522A (en) | A kind of device and method of no crucible continuous melting centrifugal atomizing sized spherical titanium powder | |
| CN105562699B (en) | A kind of high accuracy fine metal sphere forming machine | |
| CN115922058A (en) | Method for improving surface corrosion resistance of magnesium alloy component based on strong deformation in-situ powder metallurgy | |
| TWI519493B (en) | Metal and graphite mold and method of making a crucible | |
| US4713106A (en) | Method and apparatus for conveying molten material | |
| CN105803290B (en) | A kind of preparation method of wear-resisting tungsten alloy material | |
| CN207239153U (en) | Electro spindle ultrahigh speed rotating plasma prepares the device of globular metallic powder | |
| CN105621856A (en) | High-temperature glass melting liquid stirring apparatus | |
| CN110560964A (en) | Flux-cored wire double-powder-feeding mechanism and using method thereof | |
| CN217355739U (en) | Control valve for controlling on-off of atomized powder making melt flow | |
| RU2274516C2 (en) | Metal dispersing apparatus | |
| CN113020613B (en) | Hollow powder and method for producing same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200623 |
|
| RJ01 | Rejection of invention patent application after publication |