CN118343748B - Isostatic high-purity graphite material for photovoltaic and preparation method thereof - Google Patents
Isostatic high-purity graphite material for photovoltaic and preparation method thereof Download PDFInfo
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- CN118343748B CN118343748B CN202410446917.8A CN202410446917A CN118343748B CN 118343748 B CN118343748 B CN 118343748B CN 202410446917 A CN202410446917 A CN 202410446917A CN 118343748 B CN118343748 B CN 118343748B
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- 239000007770 graphite material Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000010426 asphalt Substances 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000006229 carbon black Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 124
- 238000003756 stirring Methods 0.000 claims description 45
- 238000002156 mixing Methods 0.000 claims description 34
- 238000000462 isostatic pressing Methods 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 22
- 238000009475 tablet pressing Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000005087 graphitization Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000003245 coal Substances 0.000 claims description 3
- 239000000571 coke Substances 0.000 claims description 3
- 239000003208 petroleum Substances 0.000 claims description 3
- 239000002006 petroleum coke Substances 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/205—Preparation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7173—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper
- B01F35/71731—Feed mechanisms characterised by the means for feeding the components to the mixer using gravity, e.g. from a hopper using a hopper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/75455—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle
- B01F35/754551—Discharge mechanisms characterised by the means for discharging the components from the mixer using a rotary discharge means, e.g. a screw beneath the receptacle using helical screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B12/00—Presses not provided for in groups B30B1/00 - B30B11/00
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Press Drives And Press Lines (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses an isostatic high-purity graphite material for a photovoltaic and a preparation method thereof, which aims at solving the problems that the existing high-purity graphite material is weak in conductivity and easy to influence the use of a photovoltaic module and the application range of the isostatic high-purity graphite material for the photovoltaic is influenced, and the proposal is now provided that the isostatic high-purity graphite material for the photovoltaic comprises the following components in parts by weight: 45-55 parts of carbon black powder, 25-30 parts of graphite powder, 10-15 parts of asphalt and 10-15 parts of coke powder, the performance of the isostatic high-purity graphite material for the photovoltaic can be enhanced by utilizing the carbon black powder, the graphite powder, the asphalt and the coke powder, the resistance of the isostatic high-purity graphite material for the photovoltaic is reduced, the isostatic high-purity graphite material for the photovoltaic can facilitate the current to pass through, the isostatic high-purity graphite material for the photovoltaic can be suitable for the production of photovoltaic components, the subsequent use of the isostatic high-purity graphite material for the photovoltaic is facilitated, and the electrification property of the isostatic high-purity graphite material for the photovoltaic is expanded.
Description
Technical Field
The invention relates to the technical field of graphite, in particular to an isostatic pressing high-purity graphite material for photovoltaic and a preparation method thereof.
Background
The Chinese patent document of application number 201410164644.4 discloses an isostatic pressing high-purity graphite material and a preparation method thereof, wherein superfine powder is obtained by dust collection through a pulverizer, and high-purity isostatic pressing graphite with large specification, high density, high strength and isotropy is obtained through mixing, repeated rolling, secondary grinding, isostatic pressing to form a blank, repeated dipping and roasting and purification graphitization. The invention is characterized in that the dust collection material of the grinding equipment is fully utilized to obtain superfine raw materials; adopting a one-time compression molding technology; reasonable process control, and overcomes the technical problems of large internal stress and easy generation of roasting waste caused by large temperature difference generated by high specific surface energy and large specification of raw materials; the adhesive adopts hard asphalt with strong adhesion to fine particles, the carbon residue rate is high, the impregnant adopts zero quinoline high coking modified asphalt, the permeability of superfine particle products is enhanced, and the times of impregnation and roasting are reduced; high-temperature graphitization is accompanied by chlorine gas purification, so that graphitization degree and purity are ensured.
However, the above technical solution also has some problems, for example, the electric conductivity is reduced, the use of the photovoltaic module is easily affected, and the application range of the isostatic pressing high-purity graphite material for the photovoltaic is affected.
Disclosure of Invention
Based on the technical problems in the background technology, the invention provides an isostatic pressing high-purity graphite material for photovoltaic and a preparation method thereof.
The invention provides an isostatic pressing high-purity graphite material for a photovoltaic, which comprises the following components in parts by weight: 45-55 parts of carbon black powder, 25-30 parts of graphite powder, 10-15 parts of asphalt and 10-15 parts of coke powder, the performance of the isostatic high-purity graphite material for the photovoltaic can be enhanced by utilizing the carbon black powder, the graphite powder, the asphalt and the coke powder, the resistance of the isostatic high-purity graphite material for the photovoltaic is reduced, the isostatic high-purity graphite material for the photovoltaic can facilitate the current to pass through, the isostatic high-purity graphite material for the photovoltaic can be suitable for the production of photovoltaic components, and the subsequent use of the isostatic high-purity graphite material for the photovoltaic is facilitated.
Preferably, the coke powder is one of petroleum coke particles and asphalt coke, and the granularity of the coke powder is 30-40 mu m, so that the materials are convenient to fuse.
Preferably, the asphalt adopts one of petroleum asphalt and coal asphalt, the granularity of the carbon black powder and the graphite powder is 30-40 mu m, and the particle diameter of the carbon black powder and the graphite powder is convenient for mixing materials.
The preparation method of the isostatic pressing high-purity graphite material for the photovoltaic comprises the following steps:
S1: uniformly mixing carbon black powder, graphite powder, asphalt and coke powder by using production equipment, and then performing tabletting operation to obtain graphite material sheets;
S2: pouring the graphite material sheets into a pulverizer to pulverize, and sieving after pulverizing to obtain graphite material micropowder;
S3: pouring graphite material micropowder into a rubber bag in a mold frame, sealing, vacuumizing, maintaining pressure for 10 minutes, and gradually pressurizing, maintaining pressure and relieving pressure by using an isostatic pressing cylinder to obtain a baking block;
S4: roasting the roasting block, crushing, and pouring the crushed block into a graphitization furnace for processing to obtain an isostatic pressing high-purity graphite material for the photovoltaic;
the production equipment comprises a supporting frame;
the mixing assembly comprises a mixing tank, a heating plate and a feeding hopper, wherein the mixing tank is connected to the top of the supporting frame through bolts, the heating plate is connected to a groove at the bottom end inside the mixing tank through bolts, and the feeding hopper is communicated to the top of the mixing tank;
The stirring assembly comprises a stirring shaft, a stirring rod and a stirring plate, the stirring shaft is rotatably sleeved in the mixing tank, the stirring rod is connected with the surface of the stirring shaft through a bolt, and the stirring plate is connected with the surface of the stirring rod through a bolt;
The tablet pressing assembly comprises a transmission case, a conveying pipe, a conveying cylinder and a tablet pressing head, wherein the transmission case is connected to the right side of the mixing tank through bolts, the conveying pipe is communicated with a discharge hole of the mixing tank, the conveying cylinder is communicated with the bottom end of the conveying pipe, the transmission case is connected with the conveying cylinder through bolts, and the tablet pressing head is communicated with the discharge hole of the conveying cylinder;
the spiral blade rod is rotationally sleeved in the conveying cylinder;
The power mechanism is connected with the helical blade rod;
the driving mechanism, the power mechanism and the stirring shaft are connected with the driving mechanism;
the tabletting mechanism is connected with the tabletting head.
Preferably, the power mechanism comprises a power motor, a crankshaft, a main chain wheel, a chain, an auxiliary chain wheel and a driving assembly, wherein the left side of the power motor is connected with the right side of a transmission box through bolts, the output end of the power motor extends into the transmission box and is connected with the right end of the crankshaft through keys, the surface of the crankshaft is rotatably sleeved with the inside of the transmission box, the right end of the surface of the crankshaft is connected with the axle center of the main chain wheel through keys, teeth of the main chain wheel are meshed with the top end of the inside of the chain, the bottom end of the inside of the chain is meshed with teeth of the auxiliary chain wheel, the auxiliary chain wheel is connected with the driving assembly through keys, the crankshaft is rotatably sleeved with the driving assembly, a power source of the power motor is connected, the power motor adopts a motor controller, the power motor can drive the crankshaft to rotate, the main chain wheel can drive the main chain to rotate, the chain can drive the auxiliary chain wheel to rotate, and the main chain wheel and the auxiliary chain wheel can accelerate.
Preferably, the driving assembly comprises a worm, a worm wheel, a large bevel gear and a small bevel gear, the right end of the surface of the worm is connected with the axle center of the auxiliary chain wheel in a key way, both ends of the worm are rotatably sleeved with the inside of the transmission case, the surface of the worm is meshed with the top of the worm wheel, the rear side of the worm wheel is connected with the surface key of the large bevel gear, the axle center of the large bevel gear is rotatably connected with the inside of the transmission case, teeth of the large bevel gear are meshed with teeth of the small bevel gear, the top end of the helical blade rod extends into the inside of the transmission case and is connected with the axle center of the small bevel gear in a key way, the auxiliary chain wheel can drive the worm to rotate, the worm can drive the worm wheel to rotate through a bearing and the transmission case, the large bevel gear can drive the small bevel gear to rotate, and the large bevel gear and the small bevel gear can generate an acceleration effect on the small bevel gear.
Preferably, the drive mechanism includes drive frame, drive strip, transfer line, articulated lever, slider and drive assembly, the curved portion of bent axle rotates with the bottom of drive frame and cup joints, the top of drive frame is articulated with the bottom of transfer line, the rear side of transfer line and the inside sliding connection of transmission case, the top on transfer line surface is articulated with the bottom of transfer line, the top of transfer line is articulated with the rear side of articulated lever, the left end of articulated lever is articulated with the inside of transmission case, the right-hand member of articulated lever is articulated with the surface of slider, slider and drive assembly sliding connection, the bent axle can drive the drive frame and rotate, the drive frame can drive the transfer line and reciprocate, the transfer line passes through slide rail and drive case sliding arrangement, the transfer line can drive the articulated lever and reciprocate, the articulated lever passes through the bearing and rotates the setting with the transmission case, the articulated lever can drive the slider reciprocates.
Preferably, the transmission assembly comprises a rack, a transmission gear, a connecting shaft, a driving wheel, a transmission belt and a driven wheel, wherein the rear side of the sliding block is in sliding connection with a sliding groove of the rack, the rear side of the rack is in sliding connection with the inside of the transmission box, teeth of the rack are meshed with teeth of the transmission gear, the axle center of the transmission gear is connected with a right end key of the connecting shaft, both ends of the connecting shaft are rotatably sleeved with the inside of the transmission box, the left end of the surface of the connecting shaft is in key connection with the axle center of the driving wheel, the inside of the driving wheel is in transmission connection with the top end inside the transmission belt, the bottom end inside the transmission belt is in transmission connection with the inside of the driven wheel, the right end of the stirring shaft extends into the inside of the transmission box and is in key connection with the axle center of the driven wheel, the sliding block can slide in the sliding groove of the rack and drive the rack to move up and down, the rack can drive the transmission gear to rotate through the sliding rail and the transmission box, the connecting shaft can drive the driving shaft to rotate, the connecting shaft can drive the driving wheel to rotate through a bearing and the transmission box to rotate, the driving wheel can drive the driving wheel to rotate, the driving wheel can drive the driven wheel to rotate, and the driven wheel to rotate.
Preferably, the tablet press mechanism comprises a support, a rotating shaft, a pinion, a large gear and an extrusion assembly, wherein the support is connected with the bottom end of the inside of the support frame through a bolt, the left end of the surface of the rotating shaft is rotationally sleeved with a hole of the support, the right end of the surface of the rotating shaft is connected with the axle center of the pinion through a key, teeth of the pinion are meshed with teeth of the large gear, the large gear is connected with the extrusion assembly through a key, when the thickness of a tablet press is required to be regulated, a hand wheel is arranged at the left end of the rotating shaft, the rotating shaft is rotationally arranged with the support through a bearing, the rotating shaft can drive the pinion to rotate, and the pinion can drive the large gear to rotate.
Preferably, the extrusion subassembly includes lead screw, draw runner, extrusion wheel and auxiliary wheel, the left end of lead screw and the axle center department key-type joint of gear wheel, the surface of lead screw rotates with the hole on braced frame right side and cup joints, the right-hand member of lead screw extends to the inside of preforming head and with the screw threaded connection of draw runner, the right-hand member of draw runner rotates with the inside of extrusion wheel to be connected, the axle center department of auxiliary wheel rotates with the inside right side of preforming head to be connected, the gear wheel can drive the lead screw and rotate, the lead screw can drive the draw runner and remove, the draw runner can drive the extrusion wheel and remove, adjust the interval between extrusion wheel and the auxiliary wheel.
The beneficial effects of the invention are as follows:
The performance of the isostatic high-purity graphite material for the photovoltaic can be enhanced by utilizing the carbon black powder, the graphite powder, the asphalt and the coke powder, the resistance of the isostatic high-purity graphite material for the photovoltaic is reduced, the isostatic high-purity graphite material for the photovoltaic can facilitate the current to pass through, the isostatic high-purity graphite material for the photovoltaic can be suitable for the production of photovoltaic components, and the subsequent use of the isostatic high-purity graphite material for the photovoltaic is facilitated.
Drawings
FIG. 1 is a working flow chart of a preparation method of an isostatic pressing high-purity graphite material for photovoltaic use, which is provided by the invention;
Fig. 2 is a schematic diagram of a front view structure of a preparation method of an isostatic pressing high-purity graphite material for photovoltaic use, which is provided by the invention;
Fig. 3 is a schematic perspective view of an agitating plate in the preparation method of the isostatic pressing high-purity graphite material for photovoltaic use;
Fig. 4 is a schematic diagram of a rear view structure of a preparation method of an isostatic pressing high-purity graphite material for photovoltaic use according to the present invention;
fig. 5 is a schematic diagram of a crankshaft structure of a preparation method of an isostatic pressing high-purity graphite material for photovoltaic use, which is provided by the invention;
Fig. 6 is a schematic perspective view of a large bevel gear of the preparation method of the isostatic pressing high-purity graphite material for photovoltaic use;
Fig. 7 is a schematic diagram of a transmission frame in a method for preparing an isostatic pressing high-purity graphite material for photovoltaic use;
Fig. 8 is a schematic perspective view of a rack of a method for preparing an isostatic pressing high-purity graphite material for photovoltaic use according to the present invention;
fig. 9 is a schematic perspective view of a large gear of a preparation method of an isostatic pressing high-purity graphite material for photovoltaic use, which is provided by the invention;
Fig. 10 is a schematic rear view of an auxiliary wheel of the preparation method of the isostatic pressing high-purity graphite material for photovoltaic use.
In the figure: 1. a support frame; 2. a mixing tank; 3. a heating plate; 4. a feed hopper; 5. a stirring shaft; 6. an agitating rod; 7. an agitating plate; 8. a transmission case; 9. a delivery tube; 10. a delivery cylinder; 11. a lamination head; 12. a power motor; 13. a crankshaft; 14. a main sprocket; 15. a chain; 16. a secondary sprocket; 17. a worm; 18. a worm wheel; 19. a large bevel gear; 20. bevel pinion; 21. a helical blade rod; 22. a transmission frame; 23. a transmission bar; 24. a transmission rod; 25. a hinge rod; 26. a slide block; 27. a rack; 28. a transmission gear; 29. a connecting shaft; 30. a driving wheel; 31. a transmission belt; 32. a driven wheel; 33. a bracket; 34. a rotating shaft; 35. a pinion gear; 36. a large gear; 37. a screw rod; 38. a slide bar; 39. a pressing wheel; 40. an auxiliary wheel.
Detailed Description
The invention is further illustrated below in connection with specific embodiments.
Examples
Referring to fig. 1, in this embodiment, an isostatic pressing high purity graphite material for photovoltaic is provided, where the parts by weight of the isostatic pressing high purity graphite material for photovoltaic are: 45-55 parts of carbon black powder, 25-30 parts of graphite powder, 10-15 parts of asphalt and 10-15 parts of coke powder, the performance of the isostatic high-purity graphite material for the photovoltaic can be enhanced by utilizing the carbon black powder, the graphite powder, the asphalt and the coke powder, the resistance of the isostatic high-purity graphite material for the photovoltaic is reduced, the isostatic high-purity graphite material for the photovoltaic can facilitate the current to pass through, the isostatic high-purity graphite material for the photovoltaic can be suitable for the production of photovoltaic components, and the subsequent use of the isostatic high-purity graphite material for the photovoltaic is facilitated.
Referring to fig. 1, the coke powder is one of petroleum coke particles and asphalt coke, and the granularity of the coke powder is 30-40 μm, so that the fusion of materials is facilitated.
Referring to fig. 1, asphalt adopts one of petroleum asphalt and coal asphalt, the granularity of carbon black powder and graphite powder is 30-40 μm, and the particle diameter of the carbon black powder and the graphite powder is convenient for mixing materials.
Referring to fig. 1-10, a method for preparing an isostatic pressing high-purity graphite material for a photovoltaic comprises the following steps:
S1: uniformly mixing carbon black powder, graphite powder, asphalt and coke powder by using production equipment, and then performing tabletting operation to obtain graphite material sheets;
S2: pouring the graphite material sheets into a pulverizer to pulverize, and sieving after pulverizing to obtain graphite material micropowder;
S3: pouring graphite material micropowder into a rubber bag in a mold frame, sealing, vacuumizing, maintaining pressure for 10 minutes, and gradually pressurizing, maintaining pressure and relieving pressure by using an isostatic pressing cylinder to obtain a baking block;
S4: roasting the roasting block, crushing, and pouring the crushed block into a graphitization furnace for processing to obtain an isostatic pressing high-purity graphite material for the photovoltaic;
the production equipment comprises a supporting frame 1;
the mixing assembly comprises a mixing tank 2, a heating plate 3 and a feed hopper 4, wherein the mixing tank 2 is connected to the top of the supporting frame 1 through bolts, the heating plate 3 is connected to a groove at the bottom end inside the mixing tank 2 through bolts, and the feed hopper 4 is communicated with the top of the mixing tank 2;
The stirring assembly comprises a stirring shaft 5, a stirring rod 6 and a stirring plate 7, wherein the stirring shaft 5 is rotatably sleeved in the mixing tank 2, the stirring rod 6 is connected with the surface of the stirring shaft 5 through a bolt, and the stirring plate 7 is connected with the surface of the stirring rod 6 through a bolt;
The tablet pressing assembly comprises a transmission case 8, a conveying pipe 9, a conveying cylinder 10 and a tablet pressing head 11, wherein the transmission case 8 is connected to the right side of the mixing tank 2 through bolts, the conveying pipe 9 is communicated with a discharge hole of the mixing tank 2, the conveying cylinder 10 is communicated with the bottom end of the conveying pipe 9, the transmission case 8 is connected with the conveying cylinder 10 through bolts, and the tablet pressing head 11 is communicated with the discharge hole of the conveying cylinder 10;
a helical blade lever 21, the helical blade lever 21 being rotatably sleeved inside the transport cylinder 10;
A power mechanism connected to the helical blade lever 21;
the driving mechanism, the power mechanism and the stirring shaft 5 are connected with the driving mechanism;
the tablet pressing mechanism is connected with the tablet pressing head 11.
Referring to fig. 5, the power mechanism includes a power motor 12, a crankshaft 13, a main sprocket 14, a chain 15, an auxiliary sprocket 16 and a driving component, the left side of the power motor 12 is connected with the right side of the transmission case 8 through bolts, the output end of the power motor 12 extends into the transmission case 8 and is connected with the right end of the crankshaft 13 through keys, the surface of the crankshaft 13 is rotatably sleeved with the inside of the transmission case 8, the right end of the surface of the crankshaft 13 is connected with the axle center of the main sprocket 14 through keys, teeth of the main sprocket 14 are meshed with the top end of the inside of the chain 15, the bottom end of the inside of the chain 15 is meshed with teeth of the auxiliary sprocket 16, the auxiliary sprocket 16 is connected with the driving component through keys, the crankshaft 13 is rotatably sleeved with the transmission mechanism, the power supply of the power motor 12 is connected, the power motor 12 adopts a motor controller, the power motor 12 can drive the crankshaft 13 to rotate, the crankshaft 13 can drive the main sprocket 14 to rotate, the main sprocket 14 can drive the chain 15 to rotate, the chain 15 can drive the auxiliary sprocket 16 to rotate, the main sprocket 14 and the auxiliary sprocket 16 can accelerate due to the size of the main sprocket 16 can generate an acceleration effect, and the auxiliary sprocket 16 can drive the driving component to rotate.
Referring to fig. 6, the driving assembly includes a worm 17, a worm wheel 18, a large bevel gear 19 and a small bevel gear 20, wherein the right end of the surface of the worm 17 is in key connection with the axis of the auxiliary sprocket 16, both ends of the worm 17 are in rotational socket connection with the inside of the transmission case 8, the surface of the worm 17 is meshed with the top of the worm wheel 18, the rear side of the worm wheel 18 is in key connection with the surface of the large bevel gear 19, the axis of the large bevel gear 19 is in rotational connection with the inside of the transmission case 8, teeth of the large bevel gear 19 are meshed with teeth of the small bevel gear 20, the top end of the helical blade rod 21 extends into the inside of the transmission case 8 and is in key connection with the axis of the small bevel gear 20, the auxiliary sprocket 16 can drive the worm 17 to rotate, the worm 17 is in rotational arrangement with the transmission case 8 through a bearing, the worm 17 can drive the worm wheel 18 to rotate, the large bevel gear 19 can drive the large bevel gear 19, the large bevel gear 19 can drive the small bevel gear 20 to rotate, the large bevel gear 19 and the small bevel gear 20 can accelerate the small bevel gear 20.
Referring to fig. 7, the transmission mechanism includes a transmission frame 22, a transmission bar 23, a transmission bar 24, a hinge bar 25, a slider 26 and a transmission assembly, wherein the curved portion of the crankshaft 13 is rotatably sleeved with the bottom end of the transmission frame 22, the top end of the transmission frame 22 is hinged with the bottom of the transmission bar 23, the rear side of the transmission bar 23 is slidably connected with the inside of the transmission case 8, the top end of the surface of the transmission bar 23 is hinged with the bottom end of the transmission bar 24, the top end of the transmission bar 24 is hinged with the rear side of the hinge bar 25, the left end of the hinge bar 25 is hinged with the inside of the transmission case 8, the right end of the hinge bar 25 is hinged with the surface of the slider 26, the slider 26 is slidably connected with the transmission assembly, the crankshaft 13 can drive the transmission frame 22 to rotate, the transmission frame 22 can drive the transmission bar 23 to move up and down, the transmission bar 23 can drive the transmission bar 24 to move up and down through a sliding rail, the transmission bar 24 can drive the hinge bar 25 to rotate up and down through a bearing, the hinge bar 25 is rotatably arranged with the transmission case 8, the hinge bar 25 can drive the slider 26 to move up and down.
Referring to fig. 8, the transmission assembly includes rack 27, transmission gear 28, connecting shaft 29, action wheel 30, drive belt 31 and follower 32, the rear side of slider 26 and the spout sliding connection of rack 27, the rear side of rack 27 and the inside sliding connection of gearbox 8, the tooth of rack 27 meshes with the tooth of transmission gear 28, the axle center department of transmission gear 28 is connected with the right-hand member key of connecting shaft 29, the both ends of connecting shaft 29 all rotate with the inside of gearbox 8 and cup joint, the left end on connecting shaft 29 surface is connected with the axle center department key of action wheel 30, the inside of action wheel 30 is connected with the top transmission of drive belt 31, the inside bottom of drive belt 31 is connected with the inside transmission of follower 32, the right-hand member of stirring axle 5 extends to the inside of gearbox 8 and is connected with the axle center department key of follower 32, slider 26 can slide in the spout of rack 27 and drive rack 27 and reciprocate, rack 27 still has the setting up with gearbox 8 through the slide rail, gear 27 can drive transmission gear 28 rotation, connecting shaft 29 can drive the rotation, connecting shaft 29 can drive, connecting shaft 29 rotates through setting up with gearbox 8 and drive the axle center department key, can drive the rotation of follower 31, can drive the stirring axle 5 and can drive the follower 32, can drive the stirring axle 5 and can rotate, can drive the follower 32, can drive the stirring axle 31, can drive the rotation, can drive the driven axle 31, and can drive the stirring axle 30, and can drive the rotation, and can drive driven drive and driven axle 31.
Referring to fig. 9, the tabletting mechanism includes a bracket 33, a rotating shaft 34, a pinion 35, a large gear 36 and an extrusion component, the bracket 33 is connected with the bottom end inside the supporting frame 1 by bolts, the left end of the surface of the rotating shaft 34 is rotationally sleeved with a hole of the bracket 33, the right end of the surface of the rotating shaft 34 is connected with the axle center of the pinion 35 by a key, teeth of the pinion 35 are meshed with teeth of the large gear 36, the large gear 36 is connected with the extrusion component by a key, when the thickness of a tabletting is required to be regulated, the left end of the rotating shaft 34 is provided with a hand wheel, the rotating shaft 34 is rotationally arranged with the bracket 33 by a bearing, the rotating shaft 34 can drive the pinion 35 to rotate, the pinion 35 can drive the large gear 36 to rotate, and the large gear 36 can drive the extrusion component.
Referring to fig. 10, the extrusion assembly includes a screw rod 37, a slide bar 38, an extrusion wheel 39 and an auxiliary wheel 40, wherein the left end of the screw rod 37 is in key connection with the axle center of the large gear 36, the surface of the screw rod 37 is rotationally sleeved with a hole on the right side of the support frame 1, the right end of the screw rod 37 extends into the inside of the tabletting head 11 and is in threaded connection with a screw hole of the slide bar 38, the right end of the slide bar 38 is rotationally connected with the inside of the extrusion wheel 39, the axle center of the auxiliary wheel 40 is rotationally connected with the right side of the inside of the tabletting head 11, the large gear 36 can drive the screw rod 37 to rotate, the screw rod 37 can drive the slide bar 38 to move, the slide bar 38 can drive the extrusion wheel 39 to move, and the interval between the extrusion wheel 39 and the auxiliary wheel 40 is adjusted.
Working principle: raw materials are poured into the mixing tank 2 through the feed hopper 4, the heating plate 3 can heat materials in the mixing tank 2, a power supply of the power motor 12 is connected, the power motor 12 adopts a motor controller, the power motor 12 can drive the crank shaft 13 to rotate, the crank shaft 13 can drive the main chain wheel 14 to rotate, the main chain wheel 14 can drive the chain 15 to rotate, the chain 15 can drive the auxiliary chain wheel 16 to rotate, the sizes of the main chain wheel 14 and the auxiliary chain wheel 16 can generate an acceleration effect, the auxiliary chain wheel 16 can drive the worm 17 to rotate, the worm 17 is rotatably arranged with the transmission case 8 through a bearing, the worm 17 can drive the worm wheel 18 to rotate, the worm wheel 18 can drive the large bevel gear 19 to rotate, the large bevel gear 19 can drive the small bevel gear 20 to rotate, the large bevel gear 19 and the small bevel gear 20 can generate an acceleration effect on the small bevel gear 20, the small bevel gear 20 can drive the helical blade rod 21 to rotate, the raw materials entering the conveying cylinder 10 can be extruded downwards, the tabletting head 11 can be utilized to carry out tabletting treatment, the crankshaft 13 can drive the transmission frame 22 to rotate, the transmission frame 22 can drive the transmission bar 23 to move up and down, the transmission bar 23 can drive the transmission bar 24 to move up and down, the transmission bar 23 is arranged in a sliding way with the transmission box 8, the transmission bar 24 can drive the hinging rod 25 to rotate up and down, the hinging rod 25 is arranged in a rotating way with the transmission box 8 through a bearing, the hinging rod 25 can drive the sliding block 26 to move up and down, the sliding block 26 can slide in a sliding groove of the rack 27 and drive the rack 27 to move up and down, the rack 27 can drive the transmission gear 28 to rotate, the transmission gear 28 can drive the connecting shaft 29 to rotate, the connecting shaft 29 is arranged in a rotating way with the transmission box 8 through a bearing, the connecting shaft 29 can drive the driving wheel 30 to rotate, the driving wheel 30 can drive the driving belt 31 to rotate, the driving belt 31 can drive the driven wheel 32 to rotate, the driven wheel 32 can drive the stirring shaft 5 to rotate, the stirring shaft 5 can drive the stirring rod 6 to rotate, the stirring rod 6 can drive the stirring plate 7 to move up and down, the stirring plate 7 can stir raw materials in the mixing tank 2, when the thickness of a tabletting is required to be adjusted, a hand wheel is arranged at the left end of the rotating shaft 34, the rotating shaft 34 is rotatably arranged with the support 33 through a bearing, the rotating shaft 34 can drive the pinion 35 to rotate, the pinion 35 can drive the bull gear 36 to rotate, the bull gear 36 can drive the screw 37 to rotate, the screw 37 can drive the slide bar 38 to move, the slide bar 38 can drive the extrusion wheel 39 to move, and the interval between the extrusion wheel 39 and the auxiliary wheel 40 is adjusted.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The preparation method of the isostatic pressing high-purity graphite material for the photovoltaic comprises the following steps of: 45-55 parts of carbon black powder, 25-30 parts of graphite powder, 10-15 parts of asphalt and 10-15 parts of coke powder, and is characterized by comprising the following steps:
S1: uniformly mixing carbon black powder, graphite powder, asphalt and coke powder by using production equipment, and then performing tabletting operation to obtain graphite material sheets;
S2: pouring the graphite material sheets into a pulverizer to pulverize, and sieving after pulverizing to obtain graphite material micropowder;
S3: pouring graphite material micropowder into a rubber bag in a mold frame, sealing, vacuumizing, maintaining pressure for 10 minutes, and gradually pressurizing, maintaining pressure and relieving pressure by using an isostatic pressing cylinder to obtain a baking block;
S4: roasting the roasting block, crushing, and pouring the crushed block into a graphitization furnace for processing to obtain an isostatic pressing high-purity graphite material for the photovoltaic;
the production equipment comprises a supporting frame (1);
The mixing assembly comprises a mixing tank (2), a heating plate (3) and a feed hopper (4), wherein the mixing tank (2) is connected to the top of the supporting frame (1) through bolts, the heating plate (3) is connected to a groove at the bottom end inside the mixing tank (2) through bolts, and the feed hopper (4) is communicated to the top of the mixing tank (2);
The stirring assembly comprises a stirring shaft (5), a stirring rod (6) and a stirring plate (7), the stirring shaft (5) is rotatably sleeved in the mixing tank (2), the stirring rod (6) is connected with the surface of the stirring shaft (5) through a bolt, and the stirring plate (7) is connected with the surface of the stirring rod (6) through a bolt;
The tablet pressing assembly comprises a transmission case (8), a conveying pipe (9), a conveying cylinder (10) and a tablet pressing head (11), wherein the transmission case (8) is connected to the right side of the mixing tank (2) through bolts, the conveying pipe (9) is communicated with a discharge hole of the mixing tank (2), the conveying cylinder (10) is communicated with the bottom end of the conveying pipe (9), the transmission case (8) is connected with the conveying cylinder (10) through bolts, and the tablet pressing head (11) is communicated with the discharge hole of the conveying cylinder (10);
A helical blade rod (21), wherein the helical blade rod (21) is rotationally sleeved in the conveying cylinder (10);
The power mechanism is connected with the helical blade rod (21);
the driving mechanism, the power mechanism and the stirring shaft (5) are connected with the driving mechanism;
the tabletting mechanism is connected with the tabletting head (11);
The power mechanism comprises a power motor (12), a crankshaft (13), a main chain wheel (14), a chain (15), a secondary chain wheel (16) and a driving assembly, wherein the left side of the power motor (12) is connected with the right side of a transmission case (8) through bolts, the output end of the power motor (12) extends to the inside of the transmission case (8) and is connected with the right end of the crankshaft (13) through keys, the surface of the crankshaft (13) is rotationally sleeved with the inside of the transmission case (8), the right end of the surface of the crankshaft (13) is connected with the key at the axle center of the main chain wheel (14), teeth of the main chain wheel (14) are meshed with the top end of the inside of the chain (15), the bottom end of the inside of the chain (15) is meshed with teeth of the secondary chain wheel (16), the secondary chain wheel (16) is connected with the driving assembly through keys, and the crankshaft (13) is rotationally sleeved with the driving mechanism;
The driving assembly comprises a worm (17), a worm wheel (18), a large bevel gear (19) and a small bevel gear (20), wherein the right end of the surface of the worm (17) is in key connection with the axis of the auxiliary chain wheel (16), both ends of the worm (17) are in rotary sleeving connection with the inside of the transmission case (8), the surface of the worm (17) is meshed with the top of the worm wheel (18), the rear side of the worm wheel (18) is in key connection with the surface of the large bevel gear (19), the axis of the large bevel gear (19) is in rotary connection with the inside of the transmission case (8), teeth of the large bevel gear (19) are meshed with teeth of the small bevel gear (20), and the top end of the helical blade rod (21) extends into the inside of the transmission case (8) and is in key connection with the axis of the small bevel gear (20);
The transmission mechanism comprises a transmission frame (22), a transmission bar (23), a transmission rod (24), a hinging rod (25), a sliding block (26) and a transmission assembly, wherein the curved part of a crankshaft (13) is rotationally sleeved with the bottom end of the transmission frame (22), the top end of the transmission frame (22) is hinged with the bottom of the transmission bar (23), the rear side of the transmission bar (23) is in sliding connection with the inside of a transmission box (8), the top end of the surface of the transmission bar (23) is hinged with the bottom end of the transmission rod (24), the top end of the transmission rod (24) is hinged with the rear side of the hinging rod (25), the left end of the hinging rod (25) is hinged with the inside of the transmission box (8), the right end of the hinging rod (25) is hinged with the surface of the sliding block (26), and the sliding block (26) is in sliding connection with the transmission assembly;
the transmission assembly comprises a rack (27), a transmission gear (28), a connecting shaft (29), a driving wheel (30), a transmission belt (31) and a driven wheel (32), wherein the rear side of the sliding block (26) is in sliding connection with a sliding groove of the rack (27), the rear side of the rack (27) is in sliding connection with the inside of the transmission case (8), teeth of the rack (27) are meshed with teeth of the transmission gear (28), the axle center of the transmission gear (28) is connected with the right end key of the connecting shaft (29), two ends of the connecting shaft (29) are rotatably sleeved with the inside of the transmission case (8), the left end of the surface of the connecting shaft (29) is connected with the axle center of the driving wheel (30) in a key manner, the inside of the driving wheel (30) is in transmission connection with the top end of the inside of the transmission belt (31), the bottom end of the inside of the transmission belt (31) is in transmission connection with the inside of the driven wheel (32), and the right end of the stirring shaft (5) extends to the inside of the transmission case (8) and is in key connection with the axle center of the driven wheel (32).
2. The method for preparing the isostatic pressing high-purity graphite material for the photovoltaic use according to claim 1, wherein the coke powder is one of petroleum coke particles and asphalt coke, and the granularity of the coke powder is 30-40 μm.
3. The method for preparing the isostatic pressing high-purity graphite material for photovoltaic use according to claim 1, wherein the asphalt is one of petroleum asphalt and coal asphalt, and the particle size of the carbon black powder and the graphite powder is 30-40 μm.
4. The preparation method of the isostatic pressing high-purity graphite material for the photovoltaic device according to claim 1, wherein the tabletting mechanism comprises a support (33), a rotating shaft (34), a pinion (35), a large gear (36) and an extrusion assembly, the support (33) is connected to the bottom end of the inside of the supporting frame (1) through bolts, the left end of the surface of the rotating shaft (34) is rotationally sleeved with a hole of the support (33), the right end of the surface of the rotating shaft (34) is connected with the axle center of the pinion (35) through a key, teeth of the pinion (35) are meshed with teeth of the large gear (36), and the large gear (36) is connected with the extrusion assembly through a key.
5. The method for preparing the isostatic pressing high-purity graphite material for the photovoltaic use according to claim 4, wherein the extrusion assembly comprises a screw rod (37), a slide bar (38), an extrusion wheel (39) and an auxiliary wheel (40), the left end of the screw rod (37) is in key connection with the axle center of the large gear (36), the surface of the screw rod (37) is rotationally sleeved with a hole on the right side of the supporting frame (1), the right end of the screw rod (37) extends into the tabletting head (11) and is in threaded connection with a screw hole of the slide bar (38), the right end of the slide bar (38) is rotationally connected with the inside of the extrusion wheel (39), and the axle center of the auxiliary wheel (40) is rotationally connected with the right side inside the tabletting head (11).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105271207A (en) * | 2015-11-24 | 2016-01-27 | 巴中意科碳素有限公司 | Preparation process of isostatic pressing isotropic graphite |
| CN107522196A (en) * | 2017-08-28 | 2017-12-29 | 成都炭素有限责任公司 | A kind of superhard isostatic pressing formed graphite and preparation method thereof |
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| US3517092A (en) * | 1968-04-15 | 1970-06-23 | Atomic Energy Commission | Process for preparing high-density isotropic graphite structures |
| JPH0649567B2 (en) * | 1985-06-04 | 1994-06-29 | 日立化成工業株式会社 | High-density carbon material manufacturing method |
| CN114014661A (en) * | 2020-12-21 | 2022-02-08 | 哈尔滨电碳厂有限责任公司 | Preparation method of wear-resistant graphite sealing material with high environmental adaptability |
| CN215312151U (en) * | 2020-12-31 | 2021-12-28 | 琦瑞科技(江苏)有限公司 | Battery anode powder granulation system |
| CN114702316B (en) * | 2022-03-23 | 2023-05-30 | 湖南大学 | Preparation method and application of low-cost high-purity graphite material |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271207A (en) * | 2015-11-24 | 2016-01-27 | 巴中意科碳素有限公司 | Preparation process of isostatic pressing isotropic graphite |
| CN107522196A (en) * | 2017-08-28 | 2017-12-29 | 成都炭素有限责任公司 | A kind of superhard isostatic pressing formed graphite and preparation method thereof |
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