CN118993063B - Preparation method of flexible graphite paper and puffing equipment thereof - Google Patents
Preparation method of flexible graphite paper and puffing equipment thereof Download PDFInfo
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- CN118993063B CN118993063B CN202411115045.3A CN202411115045A CN118993063B CN 118993063 B CN118993063 B CN 118993063B CN 202411115045 A CN202411115045 A CN 202411115045A CN 118993063 B CN118993063 B CN 118993063B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 163
- 239000010439 graphite Substances 0.000 title claims abstract description 163
- 230000001007 puffing effect Effects 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims description 81
- 238000003756 stirring Methods 0.000 claims description 62
- 239000012535 impurity Substances 0.000 claims description 30
- 238000004140 cleaning Methods 0.000 claims description 23
- 239000007921 spray Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000003490 calendering Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 26
- 230000000694 effects Effects 0.000 description 17
- 230000009471 action Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008961 swelling Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007770 graphite material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
- C01B32/21—After-treatment
- C01B32/22—Intercalation
- C01B32/225—Expansion; Exfoliation
-
- 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
- C01B32/21—After-treatment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The application discloses a preparation method of flexible graphite paper and puffing equipment thereof, and belongs to the technical field of graphite paper preparation. The application relates to a device for expanding and separating graphite raw materials, which comprises an expanding furnace, wherein a collecting funnel is fixedly arranged at the bottom of the expanding furnace, a feeding pipe is fixedly arranged at the outer side of the expanding furnace, a communicating pipe is fixedly arranged at the bottom of the collecting funnel, the other end of the communicating pipe is obliquely downwards arranged, a vertical pipe is fixedly arranged at the bottom of the collecting funnel, a plug is slidably arranged at the inner side of the vertical pipe, and a discharging hole for communicating the collecting funnel with the communicating pipe is formed at the inner side of the plug.
Description
Technical Field
The application relates to the technical field of graphite paper preparation, in particular to a preparation method of flexible graphite paper and puffing equipment thereof.
Background
In the preparation process of the flexible graphite paper, a heating expansion unit is a key step, and the graphite material is expanded by controlling the proper temperature, and the process is usually carried out in specific equipment, such as an expansion furnace, so as to ensure that the graphite material is uniformly heated to achieve the expansion effect, and the purpose of expansion is to increase the surface area of the graphite, thereby improving the physical and chemical properties, such as flexibility, adsorptivity and the like, so as to meet the requirements of specific applications.
In the related art, in order to make graphite heated and fully puffed in the process of puffing graphite, for example, a patent with a prior art publication number of CN220602156U provides a self-contained graded microwave expansion oven with high expansion rate, and the device integrates two functions of heating expandable crystalline flake graphite by microwaves and separating graphite worms by cyclone with impurities; when processing graphite worms, the expandable crystalline flake graphite enters the crucible through the feeding mechanism, microwave is emitted into the crucible through the microwave source to heat the expandable crystalline flake graphite to generate graphite worms, a plurality of air inlet pipes tangentially arranged on the inner wall of the furnace body blow air into the crucible to generate rotational flow, the expandable crystalline flake graphite is driven by the rotational flow to uniformly expand in a heated mode in a rotating mode, the expandable crystalline flake graphite cannot be well heated because the expandable crystalline flake graphite is positioned in the center of a graphite powder aggregate, the graphite worms are separated from impurities and unexpanded graphite in a cyclone separation mode, heavier impurities and the unexpanded graphite fall into the discharge hopper and are periodically discharged through the planetary discharge valve, and the lighter graphite worms enter the negative pressure extraction pipe to be discharged under the negative pressure effect of the material negative pressure extraction mechanism.
According to the prior art scheme, although the graphite is driven to move in the heated crucible through the rotational flow, the effect of full expansion and separation can be achieved, the unexpanded graphite can be accumulated in the discharging hopper along with impurities to be cleaned regularly, so that the unexpanded graphite cannot be used in time, and the impurities cannot be cleaned conveniently.
In view of the above, we propose a method for preparing flexible graphite paper and puffing equipment thereof.
Disclosure of Invention
The application aims to provide a preparation method of flexible graphite paper and puffing equipment thereof, which solve the technical problems that the unexpanded graphite separated by puffing is inconvenient to take and impurities are inconvenient to clean, and realize the technical effects that the unexpanded graphite is convenient to take and the impurities are cleaned.
The application provides a preparation puffing device of flexible graphite paper, which comprises:
The device comprises a puffing furnace, a collecting hopper, a feeding pipe, a communicating pipe, a vertical pipe, a plug and a discharging hole, wherein the puffing furnace is used for puffing and separating graphite raw materials, the collecting hopper is fixedly arranged at the bottom of the puffing furnace, the feeding pipe is fixedly arranged at the outer side of the puffing furnace, the communicating pipe is fixedly arranged at the bottom of the collecting hopper, the other end of the communicating pipe is obliquely downwards arranged, the bottom of the collecting hopper is fixedly provided with the vertical pipe, the plug is slidably arranged at the inner side of the vertical pipe, and the discharging hole used for communicating the collecting hopper and the communicating pipe is formed in the inner side of the plug;
the feeding pipe is fixedly arranged at the outer side of the puffing furnace, the bottom of the feeding pipe is fixedly connected with one end of the communicating pipe which is obliquely downward, a hopper is fixedly arranged at the outer side of the feeding pipe, a spiral feeder is rotatably arranged in the feeding pipe, and a feeding pipe is fixedly arranged at the outer side of the feeding pipe corresponding to the feeding pipe;
the negative pressure pipe is fixedly arranged at the top of the puffing furnace and is used for collecting the puffed graphite;
the motor is used for driving the spiral feeder to rotate and is fixedly arranged at the top of the feeding pipe.
As an alternative scheme of the technical scheme of the application, the puffing furnace comprises a furnace shell, a crucible is fixedly arranged in the furnace shell, a microwave source is arranged between the furnace shell and the crucible, a plurality of air pipes are arranged on the outer side of the furnace shell along the tangential direction of the crucible, the top of the furnace shell is fixedly communicated with a negative pressure pipe through a discharging pipe, and a feeding pipe is fixedly arranged on the outer side of the furnace shell through a connecting plate.
As an alternative scheme of the technical scheme of the application, one end of the negative pressure pipe is fixedly provided with a negative pressure fan, the other end of the negative pressure pipe is fixedly provided with a filter box, the air outlet end of the negative pressure pipe is provided with a cleaning component, and the cleaning component is positioned at the outer side of the filter box and is used for cleaning the air inlet surface of the filter box.
As an alternative scheme of the technical scheme of the application, the air inlet side of the filter box is fixedly provided with the wave-shaped filter plate, the cleaning component comprises an air outlet pipe, one end of the air outlet pipe is fixedly arranged at the air outlet end of the negative pressure fan, the other end of the air outlet pipe is fixedly provided with a hose, the other end of the hose is fixedly provided with a spray head, the spray head is positioned at one side of the wave-shaped filter plate, and the spray head is driven by a motor to reciprocate up and down.
As an alternative scheme of the technical scheme of the application, one driving end of the motor is linked with the spiral feeder through a gear box A, the gear box A is fixedly arranged at the top of the feeding pipe, the other driving end of the motor is fixedly provided with a reciprocating screw rod, the outer side of the reciprocating screw rod is slidably provided with a sliding sleeve through a thread groove, the outer side of the sliding sleeve is fixedly provided with a moving plate, the other end of the moving plate is fixedly provided with a spray head, the inner side of the moving plate is slidably provided with a limiting rod, and the limiting rod is fixedly arranged at the top of the gear box A.
As an alternative scheme of the technical scheme of the application, the device further comprises a mixing tank, the output end of the mixing tank is obliquely downwards arranged, a vertical cylinder is fixedly arranged at the top of the mixing tank, a separation pipe is fixedly arranged at the top of the vertical cylinder, the separation pipe is fixedly arranged at the bottom of a negative pressure pipe, a plurality of spraying pipes are fixedly arranged at the outer side of the separation pipe, a negative pressure fan is fixedly arranged at the outer side of the vertical cylinder, the air suction end of the negative pressure fan is communicated with the negative pressure pipe through the vertical cylinder and the separation pipe, and a stirring assembly is arranged inside the mixing tank.
As an alternative scheme of the technical scheme of the application, the stirring assembly comprises a main shaft rotatably arranged in the mixing tank, a stirring plate attached to the inner side of the mixing tank is fixedly arranged on the outer side of the main shaft, a belt wheel B is fixedly arranged at one end of the main shaft, and the belt wheel B is in linkage with a gear box A;
the novel mixing tank is characterized in that a gear box B is fixedly arranged on the outer side of the gear box A, the gear box A and the gear box B are linked through a connecting shaft, a driving shaft is fixedly arranged at the driving end of the gear box B, the driving shaft is rotatably arranged on the outer side of the mixing tank, a belt wheel A is fixedly arranged at the other end of the driving shaft, and the belt wheel A is linked with the belt wheel B through a belt.
As an alternative scheme of the technical scheme of the application, the stirring assembly further comprises bearing plates rotatably arranged on the outer sides of the main shafts, the bearing plates are rotatably arranged at one ends of two auxiliary shafts, the other ends of the auxiliary shafts are all rotated with the mixing tank, stirring rods are fixedly arranged on the outer sides of the two auxiliary shafts, the stirring rods positioned on the outer sides of the two auxiliary shafts are mutually staggered, the stirring rods are positioned between the main shafts and the stirring plates, one ends of the auxiliary shafts are fixedly provided with gears A, the gears A are rotatably arranged on the outer sides of the mixing tank, the two gears A are meshed with each other, one of the gears A is in linkage with the gear C through the gear B on the outer sides, the gear B is rotatably arranged on the outer sides of the mixing tank, and the gear C is fixedly arranged at the end part of the main shaft.
As an alternative scheme of the technical scheme of the application, the output end of the mixing tank is provided with a discharge port, the outer side of the mixing tank is detachably provided with a sealing cover corresponding to the discharge port, the sealing cover is arranged on the outer side of a sliding rod in a sliding manner, the sliding rod is fixedly arranged on the outer side of the mixing tank, the bottom of the mixing tank is provided with a discharging assembly for driving the sealing cover to slide, and the discharging assembly synchronously drives a plug to slide for cleaning and discharging.
As an alternative scheme of the technical scheme of the application, the discharging assembly comprises an electric push rod fixed on the outer side of the mixing tank, a long rod is fixedly arranged at the driving end of the electric push rod, the other end of the long rod is fixedly connected with the sealing cover, a linkage plate is fixedly arranged at the driving end of the electric push rod, a toothed plate A is fixedly arranged at the bottom of the linkage plate, a gear D is arranged at the bottom of the toothed plate A in a meshed manner, a toothed plate B is arranged at the outer side of the gear D in a meshed manner, a lifting plate is fixedly arranged at the bottom of the toothed plate B, the lifting plate is fixedly arranged at the bottom of the plug, the gear D is rotatably arranged in a protective box, the protective box is fixedly arranged at the top of a bottom plate, and the bottom plate is positioned at the bottoms of the puffing furnace, the feeding pipe and the mixing tank.
The application also provides a preparation method of the flexible graphite paper, which utilizes the preparation puffing equipment of the flexible graphite paper and comprises the following steps:
s1, putting a graphite raw material into a hopper, and starting a motor to drive a spiral feeder to rotate so as to put the graphite raw material into a puffing furnace for puffing;
S2, separating unexpanded graphite and impurities into a collecting hopper through an expansion furnace, and circularly throwing the unexpanded graphite and impurities into the expansion furnace through the internal circulation of a communicating pipe conveyed to a feeding pipe so as to fully expand graphite raw materials, and sucking and collecting expanded graphite through a negative pressure pipe at the top of the expansion furnace;
s3, spraying a solution to the collected expanded graphite through a spray pipe, mixing the expanded graphite with the solution, and then continuously stirring and mixing the mixture in a mixing tank, wherein a stirring assembly in the mixing tank synchronously operates with a spiral feeder under the drive of a motor;
s4, after mixing and stirring the graphite and the solution, driving a sealing cover to open a discharge port at the outer side of the mixing tank through a discharge assembly, discharging and conveying the graphite from the inside of the mixing tank, and simultaneously driving a plug to slide at the inner side of a vertical pipe through the discharge assembly, so that the output end of a discharge hole at the inner side of the plug is positioned at the outer side of the vertical pipe to clean impurities;
S5, carrying out calendaring molding on the discharged expanded graphite cloth on calendaring equipment;
and S6, drying and collecting the rolled graphite paper.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
(1) According to the application, the collecting hopper is communicated with the feeding pipe by adopting the communicating pipe, so that unexpanded graphite and impurities in the collecting hopper can be conveyed to the inside of the expansion furnace again through the spiral feeder in the feeding pipe for expansion separation, the problem that the expanded and separated unexpanded graphite is inconvenient to take is effectively solved, and the effect of recycling the unexpanded graphite is realized.
(2) According to the application, the vertical pipe is fixedly arranged at the bottom of the collecting funnel, the plug is arranged in the vertical pipe in a sliding manner, the collecting funnel is communicated with the communicating pipe through the discharge hole at the inner side of the plug, so that impurities and unexpanded graphite are guaranteed to enter the internal circulation of the feeding pipe, and when impurities in the collecting funnel are cleaned, the plug is only required to slide downwards to enable the bottom end of the discharge hole to be positioned at the outer side of the vertical pipe, so that the problem that the impurities are inconvenient to clean is effectively solved.
(3) According to the application, the negative pressure fan is arranged at one end of the negative pressure pipe, so that the negative pressure pipe can suck out the expanded graphite, the filter box is fixedly arranged at the other end of the negative pressure pipe so as to ensure air circulation, and the cleaning component is arranged at the output end of the negative pressure fan so as to clean the air inlet surface of the filter box, so that the filtering effect of the filter box on air is ensured.
(4) According to the application, the feeding function is realized by arranging the motor for driving the spiral feeder to rotate at the top of the feeding pipe, and meanwhile, the spray head in the motor for driving the cleaning assembly is lifted and lowered back and forth at the outer side of the filter box, so that the spray head can repeatedly sweep the air inlet side of the filter box, and the comprehensiveness of sweeping is ensured.
(5) According to the application, the mixing tank is arranged at the bottom of the negative pressure pipe, so that the mixing tank is used for collecting the expanded graphite, and the stirring assembly is used for mixing and stirring after adding the solution, and the stirring assembly is driven by the motor to operate, so that the graphite raw material can be continuously expanded and stirred for subsequent calendaring.
Drawings
FIG. 1 is a schematic diagram showing a front view of a device for preparing and puffing flexible graphite paper in accordance with a preferred embodiment of the present application;
FIG. 2 is a schematic view showing the bottom structure of a swelling apparatus for producing flexible graphite paper according to a preferred embodiment of the present application;
FIG. 3 is a schematic diagram showing the assembly structure of a bulking furnace and a mixing tank in a device for preparing and bulking flexible graphite paper according to a preferred embodiment of the present application;
FIG. 4 is a schematic view showing the structure of a bulking furnace in a bulking apparatus for preparing flexible graphite paper in accordance with a preferred embodiment of the present application;
FIG. 5 is a schematic view of the structure of the feeding pipe in the flexible graphite paper manufacturing and puffing apparatus according to a preferred embodiment of the present application;
FIG. 6 is a schematic view of a cleaning assembly of a flexible graphite paper manufacturing and bulking apparatus according to a preferred embodiment of the present application;
FIG. 7 is a schematic diagram showing a side structure of a mixing tank in a swelling apparatus for producing flexible graphite paper according to a preferred embodiment of the present application;
FIG. 8 is a schematic view of the other side of the mixing tank in the apparatus for preparing and puffing flexible graphite paper in accordance with a preferred embodiment of the present application;
FIG. 9 is a schematic view showing a stirring assembly of a swelling apparatus for preparing flexible graphite paper according to a preferred embodiment of the present application;
FIG. 10 is a schematic view of a discharge assembly of a flexible graphite paper manufacturing and bulking apparatus according to a preferred embodiment of the present application;
the reference numerals in the figures illustrate:
1. the device comprises a puffing furnace, a collecting funnel, 12, a communicating pipe, 13, a feeding pipe, 14, a furnace shell, 15, a crucible, 16, an air pipe, 17, a discharging pipe, 18, a connecting plate, 19, a vertical pipe, 110, a plug, 111 and a discharging hole;
2. feeding pipe 21, hopper 22, spiral feeder 23, feeding pipe;
3. negative pressure pipe, 31, negative pressure blower, 32, filter box, 33, wave filter plate;
4. Cleaning components 41, an air outlet pipe 42, a hose 43 and a nozzle;
5. The motor, 51, the reciprocating screw rod, 52, the sliding sleeve, 53, the moving plate, 54, the limiting rod, 55, the gear box A, 56, the connecting shaft, 57, the gear box B, 58, the driving shaft, 59 and the belt wheel A;
6. Mixing tank 61, vertical cylinder 62, separating pipe 63, spray pipe 64, discharge port 65, sealing cover 66, sliding rod;
7. stirring components, 71, a main shaft, 72, a stirring plate, 73, a belt wheel B, 74, a belt, 75, a bearing plate, 76, a secondary shaft, 77, a stirring rod, 78, a gear A, 79, a gear B, 710 and a gear C;
8. the automatic discharging device comprises a discharging component, 81 parts of an electric push rod, 82 parts of a long rod, 83 parts of a linkage plate, 84 parts of a toothed plate A, 85 parts of a gear D, 86 parts of a toothed plate B, 87 parts of a lifting plate, 88 parts of a protective box, 89 parts of a bottom plate.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is provided in conjunction with the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application and not exhaustive of all embodiments. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
Referring to fig. 1-6, an embodiment of the application discloses a flexible graphite paper preparation puffing device, which comprises a puffing furnace 1 for puffing graphite and separating unexpanded graphite, wherein a collecting funnel 11 is fixedly arranged at the bottom of the puffing furnace 1, a feeding pipe 13 is fixedly arranged at the outer side of the puffing furnace 1, a communicating pipe 12 is fixedly arranged at the bottom of the collecting funnel 11, a feeding pipe 2 is obliquely and downwards fixedly arranged at the other end of the communicating pipe 12, the feeding pipe 2 is fixedly arranged at the outer side of the puffing furnace 1, a hopper 21 and a feeding pipe 23 are fixedly arranged at the outer side of the upper half part of the feeding pipe 2, the feeding pipe 23 is fixedly connected with the feeding pipe 13, a spiral feeding device 22 is rotatably arranged in the feeding pipe 2 and used for feeding unexpanded graphite and impurities in the collecting funnel 11 and graphite raw materials in the hopper 21 into the puffing furnace 1, a motor 5 for driving the spiral feeding device 22 is fixedly arranged at the top of the feeding pipe 2, a standpipe 19 is fixedly arranged at the bottom of the collecting funnel 11, a plug 110 is slidingly arranged at the inner side of the standpipe 19, a discharging hole 111 for communicating the collecting funnel 11 and the communicating pipe 12 is fixedly arranged at the top of the puffing furnace 1, and a negative pressure pipe 3 is used for collecting the expanded graphite.
After a certain amount of graphite raw materials are placed in the hopper 21, the graphite raw materials are conveyed to the feed pipe 23 through the spiral feeder 22 in the feeding pipe 2, the graphite raw materials enter the puffing furnace 1 through the feed pipe 13 to be subjected to puffing treatment, after the puffed graphite is subjected to cyclone separation, the puffed graphite is sucked and collected from the puffing furnace 1 under the action of the negative pressure pipe 3, the unexpanded graphite and impurities are separated into the interior of the collecting hopper 11, the graphite and impurities are lifted upwards along the communicating pipe 12 to the bottom of the feeding pipe 2, the spiral feeder 22 finally reenters the interior of the puffing furnace 1 through the feed pipe 23 and the feed pipe 13 to be subjected to puffing separation, the unexpanded graphite in the collecting hopper 11 is timely utilized, and finally the residual impurities enter the interior of the collecting hopper 11, and when the plug 110 in the interior of the vertical pipe 19 slides downwards to enable the output end of the discharging hole 111 to be positioned at the bottom of the vertical pipe 19, the impurities in the collecting hopper 11 can be directly discharged, so that the impurities in the collecting hopper 11 can be cleaned conveniently.
In order to achieve the effect of the expansion furnace 1 on expanding and separating graphite raw materials, referring to fig. 1 and 4, the expansion furnace 1 comprises a furnace shell 14, a crucible 15 is fixedly arranged in the furnace shell 14, a microwave source is arranged between the furnace shell 14 and the crucible 15, a plurality of air pipes 16 are arranged outside the furnace shell 14 along the tangential direction of the crucible 15, the top of the furnace shell 14 is fixedly communicated with a negative pressure pipe 3 through a discharging pipe 17, and a feeding pipe 2 is fixedly arranged outside the furnace shell 14 through a connecting plate 18.
The inside of the crucible 15 is ventilated through the plurality of air pipes 16, so that whirlwind is generated in the crucible 15 to drive graphite to move, the heated graphite is ensured to be uniformly heated during graphite puffing, the puffed graphite moves upwards under the action of the whirlwind and finally enters the negative pressure pipe 3 through the discharging pipe 17 to be collected, and the unexpanded graphite and impurities move downwards to enter the collecting funnel 11 to be collected, so that the effect of graphite puffing separation is achieved.
In order to achieve the collecting effect of the negative pressure pipe 3 on the expanded graphite, referring to fig. 1,2, 3 and 6, a negative pressure fan 31 is fixedly arranged at one end of the negative pressure pipe 3, a filter box 32 is fixedly arranged at the other end of the negative pressure pipe 3, a cleaning component 4 is arranged at the air outlet end of the negative pressure pipe 3, and the cleaning component 4 is located at the outer side of the filter box 32 and used for cleaning the air inlet surface of the filter box 32.
In the puffing process, the negative pressure fan 31 is used for sucking air, so that the outside air enters the negative pressure pipe 3 after being filtered by the filter box 32, the negative pressure fan 31 is used for sucking the puffed graphite in the puffing furnace 1 into the negative pressure pipe 3, and the air discharged by the negative pressure fan 31 can sweep and clean the air inlet side of the filter box 32 under the action of the cleaning assembly 4 so as to ensure the filtering effect of the filter box 32 on the air.
In order to achieve the cleaning effect of the cleaning assembly 4 on the air inlet side of the filter box 32, referring to fig. 6, the wave-shaped filter plate 33 is fixedly arranged on the air inlet side of the filter box 32, the cleaning assembly 4 comprises an air outlet pipe 41, one end of the air outlet pipe 41 is fixedly arranged at the air outlet end of the negative pressure fan 31, a hose 42 is fixedly arranged at the other end of the air outlet pipe 41, a spray nozzle 43 is fixedly arranged at the other end of the hose 42, the spray nozzle 43 is positioned on one side of the wave-shaped filter plate 33, and the spray nozzle 43 is driven by the motor 5 to reciprocate up and down.
When the negative pressure fan 31 exhausts, the exhausted air enters the air outlet pipe 41 and is blown out through the spray nozzle 43 at the other end of the hose 42, so that the spray nozzle 43 sweeps and cleans dust on the outer side of the wave-shaped filter plate 33, normal exhaust of the negative pressure fan 31 is ensured, the wave-shaped filter plate 33 is adopted as an air inlet surface of the filter box 32, the filtering area of the air is increased, and when the spray nozzle 43 sweeps V-shaped surfaces at different heights, the space between the V-shaped surfaces can enable the air blown out by the spray nozzle 43 to be more stable, so that the cleaning effect is ensured.
In order to realize the driving function of the motor 5 on the cleaning assembly 4, referring to fig. 6, one driving end of the motor 5 is linked with the spiral feeder 22 through a gear box a55, the gear box a55 is fixedly arranged at the top of the feeding pipe 2, the other driving end of the motor 5 is fixedly provided with a reciprocating screw rod 51, the outer side of the reciprocating screw rod 51 is slidably provided with a sliding sleeve 52 through a thread groove, the outer side of the sliding sleeve 52 is fixedly provided with a moving plate 53, the other end of the moving plate 53 is fixedly provided with a spray head 43, the inner side of the moving plate 53 is slidably provided with a limiting rod 54, and the limiting rod 54 is fixedly arranged at the top of the gear box a 55.
When the motor 5 is started to operate, the motor 5 drives the spiral feeder 22 to rotate through the gear box A55 so as to ensure the feeding function of the feeding pipe 2, and simultaneously, the motor 5 drives the reciprocating screw rod 51 at the other driving end to rotate, so that the sliding sleeve 52 at the outer side of the reciprocating screw rod 51 drives the moving plate 53 to slide reciprocally along the limiting rod 54, and further, the moving plate 53 drives the spray head 43 to lift reciprocally at the outer side of the wave-shaped filter plate 33 so as to achieve the cleaning effect.
In order to be convenient for collect the processing to the preparation of popped graphite so as to be used for flexible graphite paper, refer to fig. 1-4, still include blending tank 6, the output slope of blending tank 6 sets up downwards, the fixed vertical tube 61 that is provided with in blending tank 6 top, the fixed separator tube 62 that is provided with in vertical tube 61 top, separator tube 62 is fixed to be set up in negative pressure pipe 3 bottom, the fixed a plurality of shower 63 that is provided with in the separator tube 62 outside, the fixed negative pressure fan 31 that is provided with in vertical tube 61 outside, the suction end of negative pressure fan 31 communicates with negative pressure pipe 3 through vertical tube 61 and separator tube 62, the inside stirring subassembly 7 that is provided with of blending tank 6.
When the expanded graphite enters the negative pressure pipe 3, the expanded graphite is sucked into the separating pipe 62 under the action of the negative pressure fan 31, and when the expanded graphite passes through the separating pipe 62, the mixed solution is sprayed out through the spraying pipes 63, so that the graphite falls into the mixing tank 6 under a certain humidity environment, the expanded graphite is prevented from being sucked out by the negative pressure fan 31, the expanded graphite and the solution are conveniently mixed, the mixed expanded graphite is further stirred and mixed under the action of the stirring assembly 7, and in the stirring process, different solutions can be sprayed out to the expanded graphite through the spraying pipes 63 respectively, so that the preparation requirement of graphite paper is met.
In order to realize the stirring function of the stirring assembly 7 on the expanded graphite, in order to refer to fig. 2, 3, 6 and 9, the stirring assembly 7 comprises a main shaft 71 rotatably installed inside the mixing tank 6, a stirring plate 72 attached to the inner side of the mixing tank 6 is fixedly arranged on the outer side of the main shaft 71, a belt wheel B73 is fixedly arranged at one end of the main shaft 71, and the belt wheel B73 is linked with a gear box A55;
The gear box B57 is fixedly arranged on the outer side of the gear box A55, the gear box A55 and the gear box B57 are linked through the connecting shaft 56, the driving end of the gear box B57 is fixedly provided with the driving shaft 58, the driving shaft 58 is rotatably arranged on the outer side of the mixing tank 6, the other end of the driving shaft 58 is fixedly provided with the belt wheel A59, and the belt wheel A59 is linked with the belt wheel B73 through the belt 74.
When the motor 5 operates, the connecting shaft 56 is driven to rotate through the gear box A55, the connecting shaft 56 drives the driving shaft 58 to rotate through the gear box B57, the driving shaft 58 drives the belt wheel A59 at the other end to rotate, the belt wheel A59 drives the belt wheel B73 to rotate through the belt 74, and then the main shaft 71 drives the stirring plate 72 at the outer side to mix and stir graphite in the mixing tank 6.
In order to ensure the stirring effect of the stirring assembly 7 on graphite, referring to fig. 8 and 9, the stirring assembly 7 further comprises a bearing plate 75 rotatably mounted on the outer side of the main shaft 71, the bearing plate 75 is rotatably arranged at one end of the two auxiliary shafts 76, the other end of each auxiliary shaft 76 is rotatably connected with the mixing tank 6, stirring rods 77 are fixedly arranged on the outer sides of the two auxiliary shafts 76, the stirring rods 77 are arranged between the main shaft 71 and the stirring plate 72 in a staggered mode, gears A78 are fixedly arranged at one end of each auxiliary shaft 76, the gears A78 are rotatably arranged on the outer side of the mixing tank 6, the two gears A78 are meshed with each other, one gear A78 is linked with a gear C710 through a gear B79 on the outer side, the gear B79 is rotatably arranged on the outer side of the mixing tank 6, and the gear C710 is fixedly arranged at the end of the main shaft 71.
When the main shaft 71 rotates, one of the gears A78 is driven to rotate through the gear B79, the gear A78 drives the corresponding auxiliary shaft 76 to rotate, and simultaneously the other auxiliary shaft 76 is driven to reversely rotate through the other gear A78 on the outer side, so that the graphite at the bottom of the mixing tank 6 is stirred by the opposite direction rotation of the stirring rods 77 which are arranged in a staggered manner, and in the stirring process, the graphite below the stirring rods 77 is scraped upwards under the action of the stirring plate 72 and finally falls on the stirring rods 77 to be stirred, so that the stirring effect of the stirring assembly 7 on the graphite is ensured.
For automatic unloading of being convenient for, referring to fig. 1, 7 and 10, the bin outlet 64 has been seted up to the output of blending tank 6, and blending tank 6 outside corresponds bin outlet 64 and can dismantle and be provided with sealed lid 65, and sealed lid 65 slides and sets up in the slide bar 66 outside, and slide bar 66 is fixed to be set up in blending tank 6 outside, and blending tank 6 bottom is provided with and is used for driving sealed gliding discharge module 8 of lid 65, and discharge module 8 synchronous drive plug 110 slides and clear up the unloading.
After the swelling and mixing of the graphite in the mixing tank 6 are completed, the discharging assembly 8 drives the sealing cover 65 to slide outside the sliding rod 66, so that the sealing cover 65 is far away from the discharging opening 64 to open the output end of the mixing tank 6, the graphite mixture in the mixing tank 6 is discharged along the inclined direction, and the graphite in the mixing tank is always stirred by the stirring assembly 7 in the discharging process, so that the graphite can be fully discharged.
In order to realize the drive function of the discharging component 8 to the sealing cover 65 and the plug 110, refer to fig. 1,3, 5 and 10, the discharging component 8 comprises an electric push rod 81 fixed on the outer side of the mixing tank 6, a long rod 82 is fixedly arranged at the driving end of the electric push rod 81, the other end of the long rod 82 is fixedly connected with the sealing cover 65, a linkage plate 83 is fixedly arranged at the driving end of the electric push rod 81, a toothed plate A84 is fixedly arranged at the bottom of the linkage plate 83, a gear D85 is arranged at the bottom of the toothed plate A84 in a meshed manner, a toothed plate B86 is arranged at the outer side of the gear D85 in a meshed manner, a lifting plate 87 is fixedly arranged at the bottom of the plug 110, the gear D85 is rotationally arranged inside a protective box 88, the protective box 88 is fixedly arranged at the top of a bottom plate 89, and the bottom plate 89 is positioned at the bottoms of the puffing furnace 1, the feeding pipe 2 and the mixing tank 6.
The long rod 82 is pushed by the electric push rod 81 to enable the sealing cover 65 to slide along the sliding rod 66, meanwhile, the toothed plate A84 is driven by the driving end of the electric push rod 81 to slide through the linkage plate 83, the toothed plate A84 is driven by the gear D85 to synchronously slide downwards, the plug 110 is driven by the lifting plate 87 to slide downwards on the inner side of the vertical pipe 19, impurities in the collecting hopper 11 are automatically cleaned when graphite is discharged, and the plug 110 is synchronously driven to reset towards the inside of the vertical pipe 19 when the sealing cover 65 is driven by the electric push rod 81 to reset, so that the electric push rod is more convenient to use.
In view of the above, when the flexible graphite paper preparing and puffing equipment disclosed by the embodiment of the application is used, graphite raw materials are put into the hopper 21, the motor 5 is started to drive the spiral feeder 22 to rotate, so that the spiral feeder 22 conveys the graphite raw materials in the hopper 21 to the inside of the feed pipe 23, the graphite raw materials enter the puffing furnace 1 through the feed pipe 13, at the moment, the inside of the crucible 15 is ventilated through the plurality of air pipes 16, so that whirlwind is generated in the crucible 15 to drive graphite to move, the heated graphite is uniformly when being puffed, the puffed graphite moves upwards under the action of the whirlwind, and finally enters the inside of the negative pressure pipe 3 through the discharge pipe 17 to be collected; the unexpanded graphite and impurities move downwards to enter the collecting hopper 11 to be collected and move along the communicating pipe 12 to the bottom of the feeding pipe 2, so that the spiral feeder 22 lifts the unexpanded graphite and impurities upwards, finally the unexpanded graphite and impurities reenter the interior of the expansion furnace 1 through the feeding pipe 23 and the feeding pipe 13 to be expanded and separated, the unexpanded graphite in the collecting hopper 11 is timely utilized, at the moment, the plug 110 at the inner side of the vertical pipe 19 communicates the collecting hopper 11 with the communicating pipe 12 through the discharge hole 111 at the inner side, simultaneously, in the expansion process, the negative pressure fan 31 sucks air, the outside air is filtered by the filter box 32 and enters the interior of the negative pressure pipe 3, the negative pressure fan 31 sucks the expanded graphite in the expansion furnace 1 into the interior of the negative pressure pipe 3, then the expanded graphite is sucked into the interior of the separating pipe 62 under the action of the negative pressure fan 31, and when the expanded graphite passes through the separating pipe 62, the mixed solution is sprayed out through the spraying pipe 63, the graphite is enabled to fall in the interior of the mixing tank 6 under a certain humidity environment, the expanded graphite is prevented from being sucked out by the negative pressure fan 31, at the moment, the motor 5 drives the connecting shaft 56 to rotate through the gear box A55, the connecting shaft 56 drives the driving shaft 58 to rotate through the gear box B57, the driving shaft 58 drives the belt pulley A59 at the other end to rotate, the belt pulley A59 drives the belt pulley B73 to rotate through the belt 74, the main shaft 71 drives the outer stirring plate 72 to mix and stir graphite in the mixing tank 6, and when the main shaft 71 rotates, one gear A78 is driven by the gear B79 to rotate, the gear A78 drives the corresponding auxiliary shaft 76 to rotate, and meanwhile, the other auxiliary shaft 76 is driven by the other gear A78 to reversely rotate, so that the stirring rods 77 which are arranged in a staggered manner rotate in opposite directions to stir the graphite at the bottom of the mixing tank 6, and in the stirring process, the graphite below the stirring rods 77 is scraped upwards under the action of the stirring plate 72 and finally falls on the stirring rods 77 to stir, so that the stirring assembly 7 can stir and mix the graphite;
Meanwhile, when the negative pressure fan 31 exhausts, the exhausted air enters the air outlet pipe 41 and is blown out through the spray nozzle 43 at the other end of the hose 42, so that the spray nozzle 43 sweeps and cleans dust at the outer side of the wave-shaped filter plate 33, normal exhaust of the negative pressure fan 31 is ensured, the motor 5 drives the reciprocating screw rod 51 at the other driving end to rotate, the reciprocating screw rod 51 drives the sliding sleeve 52 at the outer side to drive the movable plate 53 to slide reciprocally along the limiting rod 54, and the spray nozzle 43 is driven to lift reciprocally at the outer side of the wave-shaped filter plate 33 through the movable plate 53 to achieve cleaning effect;
When graphite in the mixing tank 6 is mixed, the long rod 82 is pushed by the electric push rod 81 to enable the sealing cover 65 to slide along the sliding rod 66, the sealing cover 65 is far away from the discharge opening 64 to enable the output end of the mixing tank 6 to be opened, graphite mixture in the mixing tank 6 is discharged along an inclined direction, and in the discharging process, the graphite is always stirred by the stirring assembly 7, so that the graphite can be fully discharged, meanwhile, the driving end of the electric push rod 81 drives the toothed plate A84 to slide through the linkage plate 83, the toothed plate A84 drives the toothed plate B86 to synchronously slide downwards through the gear D85, and then the lifting plate 87 drives the plug 110 to slide downwards on the inner side of the vertical pipe 19, so that impurities in the collecting hopper 11 can be automatically cleaned when graphite is discharged, after the graphite discharging is finished, and after the impurities are cleaned, the sealing cover 65 and the plug 110 are reversely driven to reset through the reverse operation of the discharging assembly 8, so that the graphite is conveniently mixed with a solution, the subsequent rolling operation is convenient, and impurities in the graphite raw materials are conveniently cleaned.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or in communication with each other, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interactive relationship between the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (11)
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| CN202411115045.3A CN118993063B (en) | 2024-08-14 | 2024-08-14 | Preparation method of flexible graphite paper and puffing equipment thereof |
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| CN202411115045.3A CN118993063B (en) | 2024-08-14 | 2024-08-14 | Preparation method of flexible graphite paper and puffing equipment thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209010157U (en) * | 2018-09-30 | 2019-06-21 | 青岛岩海碳材料有限公司 | The discharging device of expanded graphite high temperature furnace |
| CN209618896U (en) * | 2018-12-27 | 2019-11-12 | 青岛康博尔石墨制品有限公司 | Automatic extruding furnace system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU170335U1 (en) * | 2016-11-25 | 2017-04-21 | Федеральное Государственное Бюджетное Образовательное Учреждение Высшего Образования "Новосибирский Государственный Технический Университет" | DEVICE FOR PRODUCING THERMAL EXTENDED GRAPHITE |
| CN210915330U (en) * | 2019-09-30 | 2020-07-03 | 青岛高等密封制品有限公司 | Expansion preparation system of worm graphite for graphite coiled material |
| CN212356552U (en) * | 2020-04-26 | 2021-01-15 | 山东沃烯新材料科技有限公司 | Popped device of continuous microwave of graphite alkene |
| CN218024209U (en) * | 2022-08-18 | 2022-12-13 | 厦门同欣荣饲料科技有限公司 | Unloader of bulking machine |
| CN220602156U (en) * | 2023-08-17 | 2024-03-15 | 北京中石伟业科技无锡有限公司 | High expansion rate microwave expansion oven with internal grading |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209010157U (en) * | 2018-09-30 | 2019-06-21 | 青岛岩海碳材料有限公司 | The discharging device of expanded graphite high temperature furnace |
| CN209618896U (en) * | 2018-12-27 | 2019-11-12 | 青岛康博尔石墨制品有限公司 | Automatic extruding furnace system |
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